Testing Procedure for DEF REL 505

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Testing procedure for ABB DEF REL505

v 2.5

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Table of Contents I. How To Use Software CAP 540: .................................................................................................... 3

1. Making Of New Project: ............................................................................................................. 3

2. Adding a Relay to be Tested: ...................................................................................................... 6

3. Communication Procedure: ........................................................................................................ 8

a. TO CHECK COM PORT NO. .............................................................................................. 10

b. To Change Com Port No. ...................................................................................................... 12

c. Establishing Communication for PST (Parameter Setting Tool):........................................... 15

d. Establishing communication for Terminal Configuration: .................................................... 19

II. Some basic commands for configuration: .................................................................................... 25

III. TO CONFIGURE an I/P TERMINAL of ABB Distance Relay REL 531 v 2.5: ...................................... 31

IV. TO CONFIGURE an O/P TERMINAL of ABB Distance Relay REL 531 v 2.5: .................................... 37

V. To handle Disturbance Reports for ABB distance REL531: ........................................................... 43

VI. Testing Procedure: ........................................................................................................................ 54

1. SERVICE VALUES MEASUREMENT: ............................................................................................ 55

2. FUSE FAILURE: ...................................................................................................................... 71

3. Checking binary I/O of the relay: ............................................................................................. 73

A. Testing I/P’s: ......................................................................................................................... 73

B. Testing O/P’s: ....................................................................................................................... 78

4. Contact Operating Time: ........................................................................................................... 88

5. Watch Dog Contact: .................................................................................................................. 88

6. DC Measuring: .......................................................................................................................... 88

7. Polarizing voltage Pick up: ........................................................................................................ 89

8. Instantaneous Over Current Protection: .................................................................................. 90

9. Definite Time Non Directional Over Current Protection: ......................................................... 93

10. E/F Communication Scheme: ................................................................................................ 96

11. Current Reversal Logic: ......................................................................................................... 99

12. Residual Directional O/C test: ............................................................................................. 102

a. Minimum Operating Current: ............................................................................................. 102

b. Start Current for TEF protection: ........................................................................................ 104

c. Timing test for TEF: ............................................................................................................. 110

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I. 1.

How To Use Software CAP 540:

1. Double click to open Making Of New Project:

cap 540

.

Click on CAP 540 icon on your desktop.

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2. Enter username : abb3 or systemadministrator

password: ABB3 or a10

Then click “OK

”.

3. Now Go to file menu and click

new project.

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4. Name the project suppose “DEF9030A” then click save

NOTE:

.

5. To see the Relay name and version, go to HMI of the relay. If display is not visible then press “C” to make the display ON. Now press “E” to enter the menu. Now use Down arrow and go to “terminal report”. Press “E”. Now use Down arrow and go to “Identity no”. There will be serial no. displaying on the LCD. Now press right key to see the SW-Version (SW stands for SoftWare) of the relay and it will appear as “2p5r07

”. 2p5 means version no “2.5”. To exit this menu keep on pressing “C” until the display gets OFF.

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2. Adding a Relay to be Tested: 6. Now Right click “Bay1” and go to “add

”. to add the device.

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7. After clicking on add a window will come with the list of relays with different type and versions. Select your desired type (REL 505 V 2.5

).

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3. Communication Procedure: 8. Now click the “stn1” folder and go to the “settings” in

menu bar and click “communication settings

”

9. Now select the desired Slave number and baud rate by matching with the relay.(In Our case slave no is 1 and baud rate is 9600

) Baud rate (9600)

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NOTE:

10. To see the Baud rate and slave no of the relay go to HMI of the relay. If display is not visible then press “C” to make the display ON. Now press “E” to enter the menu. Now use down arrow and go to “Configuration”. Press “E”. Now use Down arrow and go to “TerminalCom” press E to enter. Now using down arrow go to “SPACom”, press “E” to enter. Press down arrow to select “Front”, press “E”. There will be “Slave no” displaying on the screen which is 1 by default. Now use right arrow and “BAUD RATE” window will appear. It is 9600

11. Note these values (

by default. To exit this menu keep on pressing “C” until the display gets OFF.

Baud rate = 9600

) and copy them to your software respective blocks as visible in above diagram.

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a. 2. To see the the

TO CHECK COM PORT NO. port no. on your computer. Right click the “my

computer” icon on desktop and single left click on “manage

”.

3. A prompt window will open and in its left tool bar single left click “device manager

”

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4. Now double click on “PORTS” in right side tool window. And note the com no written there. E.g. in this case it is appearing as “COM8

Note: CAP 540 supports only up to

”.

COM 8

.

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b. To Change Com Port No. NOTE: If you want to change the PORT No.

a.

follow the procedure.

Right click on USB Serial Port (COM8) n single left click on properties

.

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b. A window will prompt, Single left click on Port Settings

.

c. Now single left click on advance

.

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d. Now click on port no

and change it as per your requirement.

5. Now paste this port no in your “communication settings” window in software (in our case it is PORT 4

) as per our paragraph no 8 & 9.

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c. Establishing Communication for PST (Parameter Setting Tool):

d. Now for parameter settings we have to right click the added relay (REL505251.1) and go to “parameter settings

” menu as shown.

e. Now parameter settings

window will get opened.

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f. Now for communicating with the relay u have to go to on-line in menu bar and select “read options

NOTE: if communication fails with the relay then an error will come with Description:

”.

Error in ConnectCom: Invalid port number.

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g. After that single left click on ONLINE in menu bar and single left click on “read from terminal” and click “all

” to read all the settings.

h. After software has read all the values, a window will prompt to ask you if u want to “SAVE” these parameter values. Click “SAVE

”.

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i. To send your setting file to the relay. In parameter settings left tool bar click to highlight the “setting group” option. Now go to “on-line” in menu bar and select “write to terminal” and than click “selection

”.

j. After writing is finished, you can simply close the “PST” (Parameter Setting Tool) window.

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d. Establishing communication for Terminal Configuration:

1. On the main window (CAP 540 Client) go to the Added relay (REL50525.1) and right click and go to the “terminal configuration

”.

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2. After opening the window of terminal configuration it will ask for the password. The password is “NEW”. And click on “OK

”

3. Now in the terminal configuration window. Select relay(REL53125.1) then go to the “on-line” in the menu bar and select “upload options

” (upload means u r taking data from relay).

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4. After uploading is finished a window will prompt to replace the previous settings with new, click on

REPLACE.

5. After this a window will appear to continue the process, click on YES

.

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6. A window will appear to tell that process was successful. Then click on OK

.

7. After that in “on-line” menu go to “upload configuration

”.

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8. Window will appear like the one below.

9. A window like the one below appears after uploading is complete.

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10. For sending it to relay single left click on online and then click “download configuration

” and click it. It will send the configuration to the relay

11. Now your configuration is downloaded to the relay in the following sequence.

a. Readingb.

(retrieving from the relay) Writing

c. (sending to the relay)

Readingd.

(Retrieving from the relay) Compare

e. (Configuration b/w software and relay)

Writing

(sending to the relay

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II. Some basic commands for configuration:

1. Double click to open cap 540

.

Click on CAP 540 icon on your desktop.

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2. Enter username : abb3 or systemadministrator

password: ABB3 or a10

Then click “OK

”.

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3. Now a window will prompt. Single left Click on “+” sign of STN1 to expand it. Now again single left click on “+” sign of “BAY1”. Now right click on the added relay REL50525.1. And left single click “Terminal Configuration

”.

4. Type password i.e. NEW and single left click on OK

.

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5. Now a double click on the CUR_PROT

worksheet.

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6. Click on any empty space in the worksheet.

7. Now to any function block, press “F” from the key board. Lets suppose we want to add an AND gate. We will select AND, Logic And. And press OK

.

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8. In a similar way you can add any functional block that is available. For example OR gate, INV. Gate and instantaneous current functional blocks

9. Details of all

and all the functional blocks that are available in a particular terminal.

I/P and O/P

10. How to connect or assign any

for a particular functional block is given in Technical Reference Manual.

I/P or O/P to the functional block, simply single left click on the I/P or O/P

of the functional block and press V from the keyboard and type the name of the I/P or O/P you want to configure.

11. Which I/P you will configure for what totally depends on the logic you want to use.

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III. TO CONFIGURE an I/P TERMINAL of ABB Distance Relay REL 531 v 2.5:

1. On the main window (CAP 540 Client) go to the added relay(REL50525.1) and right click and go to the “terminal configuration

”.

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”

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3. On the main window (CAP531 – [Project(1) : PRJ2]) you see many worksheets. Among them I_O are I/P and O/P modules

.

4. You can configure any I/P variable to any module. We suppose that we want to take VT MCB TRIP i.e. VT MCB TR on S13 BI01

.

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5. Now we will double click on I_O

. So double click on it and a Windows will b opened like the one below.

6. Now on this functional block Binary Input terminals will be available but we will take I/P on S13 BI01. Now single left click on BI01 and press “V” from the keyboard and a variable name selection window will appear. Here you type the name of I/P variable and then click OK

.

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7. Now close the worksheet. A window will prompt you to save changes, click YES

.

8. You will b prompted to main terminal configuration window. Now click on COMPILE TERMINAL

button in the top menu as shown below in fig.

9. It will compile all the configuration changes you have made. Now you can download

these new terminal configurations to the relay.

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” and click it.

11. You will be prompted to a window. Click on “YES”

.


a. Readingb.



Readingd.



Writing13. Now from Drawing you can locate the S13 I/O module

and its binary I/P

(sending to the relay)

BI1

. And use this I/P for the required purpose.

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IV. TO CONFIGURE an O/P TERMINAL of ABB Distance Relay REL 531 v 2.5:

1.On the main window (CAP 540 Client) go to the added relay(REL50525.1) and right click and go to the “terminal configuration

”.

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”

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3. On the main window (CAP531 – [Project(1) : PRJ2]) you see many worksheets. Among them I_O includes I/P and O/P modules

.

4. You can configure any O/P variable to any module. We suppose that we want to take VT MCB TRIP i.e. VT MCB TR on S13 BO02

.

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5. Now we will double click on I_O

. So double click on it and a Windows will b opened like the one below.

6. Now on this functional block Binary Output terminals will be available but we will take O/P on S13 BO02. Now single left click on BO01 and press “V” from the keyboard and a variable name selection window will appear. Here you type the name of I/P variable and then click OK

.

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7. Now close the worksheet. A window will prompt you to save changes, click YES

.

8. You will b prompted to main terminal configuration window. Now click on COMPILE TERMINAL


9. It will compile all the configuration changes you have made. Now you can download


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” and click it.

11. You will be prompted to a window. Click on “YES”

.


b. Readingc.


d. (sending to the relay)

Readinge.


f. (Configuration b/w software and relay)

Writing


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V. To handle Disturbance Reports for ABB distance REL531:

1. Go to main window of CAP 540 software. Now right click on the relay (REL53125.1), go to Disturbance Handling, and a new menu bar will open automatically, now click on Terminal Disturbance List

.

2. It will first check connection with the relay.

3. Now it will start retrieving the disturbance list from the terminal.

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4. A window like the one below will come after reading is finished. Here red highlighted are the disturbance reports which are yet to be retrieved. And black

normal color reports are which have already been retrieved, read and checked in previous sessions.

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5. Now right click on any disturbance report (090617) to retrieve it from the terminal. Now click on Upload selected Disturbance

.

6. It will retrieve the report from the terminal.

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7. A window like the one below will appear. Single left click on the retrieved disturbance report which will be in BLUE color. Now there are 3 sub menus.

a. Analog channelsIt will show you the detail values of all the voltages and currents, pre fault and fault

:

b. Digital ChannelsIt shows the triggering signal from binary signals which triggered the disturbance report.

:

c. EventsIt shows the events which happened during some fault.

:

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8. Now double click on the BLUE color disturbance report to see its graphs for all I/P’s pre fault and fault

values.

9. Picture depicts many functional buttons, available for different views.

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10. Now click on VIEW and then select HEADER

.

11. A window like the one below will open and scroll through it to find the fault locator

and other functional values.

12. Now close

it.

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13. Now to see the instantaneous and r.m.s

values of different I/P signals, the picture explains all the functions n toolbars etc.

14. Now to print the disturbance report, go to the file, and click on print

.

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15. Now to print the whole disturbance report, select Disturbance (Entire)

.

16. To save the disturbance report, go to file, click on Save As

.

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17. A window like the following will appear. Select the desired location by first selecting the partition drive then sub folder and then type the file name and click on OK

to save.

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18. To open a saved file, go to file and click on open

.

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19. Select the hard disk partition. Then select the sub folder. Then select the file. And finally click on

OK.

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VI.

Testing Procedure:

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1. SERVICE VALUES MEASUREMENT:

b. Inject the current and voltage according to THE TEST FORMAT and for values go to the PRIMARY, SECONDARY & service values

c. Go to main window of menu as shown:

CAP 540. Right click the added relay (REL505251.1) and now single left click on parameter settings

.

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d. Now single left click on “+” sign with service report in the left window and single left lick on “+” sign with phasors and single left click on primary

to see the primary side values.

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e. Now single left click on read from terminal

button at the top menu bar as shown below.

d. After reading process is completed. A window will prompt to ask you if you want to save, and then click on SAVE. Now the Terminal values and PST values

in your main right side window will get update.

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e. Now press and hold ctrl and press p. a window like the one below will get open. Here select the printer to “Microsoft office document image writer”. And click

OK.

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f. Now it will ask you the location you want to save. Just type the file name like 00 P and click save.

g. Now a document will open like the one below.

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h. Now again press and hold ctrl and press p. A window will appear. Simply click OK

.

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i. Now single left click on “+” sign with service report in the left window and single left lick on “+” sign with phasors and single left click on secondary

to see the secondary values.

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j. Now single left click on read from terminal


k. After reading process is finished. A window will prompt to ask you if you want to save, and then click on SAVE. Now the Terminal values and PST values


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l. Now press and hold ctrl and press p. a window like the one below will get open. Here select the printer to “Microsoft office document image writer”. And click

OK.

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m. Now it will ask you the location you want to save. Just type the file name like 00 S and click save.

n. Now a document will open like the one below.

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o. Now again press and hold ctrl and press p. A window will appear. Simply click OK

.

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p. Now single left click on “+” with Service Report in the left window. And single left click on Service Values

.

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q. Now single left click on read from terminal


r. After reading process is finished. A window will prompt to ask you if you want to save, and then click on SAVE. Now the Terminal values and PST values


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s. Now press and hold ctrl and press p. a window like the one below will get open. Here select the printer to “Microsoft office document image writer”. And click

OK.

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t. Now it will ask you the location you want to save. Just type the file name like 00 S and click save.

u. Now a document will open like the one below.

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v. Now again press and hold ctrl and press p. A window will appear. Simply click OK

.

w. Now change the value of injected current or angle from the freja instrument and repeat the procedure from the point no “c”.

** NOTE: If your printer supports/ is compatible, you can directly select the printer and give the print command rather than first sending it to ONE NOTE, then saving and finally printing.

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2. FUSE FAILURE: a. To make it on, follow the following steps. Open the CAP540

client window. Right click the added relay that is REL53125.1 and click on parameter settings.

Settings>setting groups>setting group N>secondary system supervision>FUSE

b. Go to general mode of freja instrument and inject healthy 3 phase voltages (63.5 V) and no current to the relay with freja (Instrument). For fuse failure pickup due to voltages, just start decreasing the voltage of one phase. Now the fuse failure will pick up according to the setting of “3U0>” setting value and X35:5 and X35:1 will get close. Suppose we are injecting 63.5V to all of the three phases and the setting for voltage fuse failure is “3U0>”=10. Then by decreasing the voltage of one phase up to 57.15V the fuse failure will pickup. This will be confirmed by contact X35:1 and X35:5 of module no. S29 BO04 which will get close from NO status reference drawing no. 9030-E-EQ-113 SHEET NO. 222

. Do the same procedure for all three phases one by one.

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c. Now for current fuse failure give healthy voltages to three phases i.e. 63.5V. Now increase the current of one phase more than the setting value i.e. “3I0>”=10. Now decrease the voltage of one phase less than the setting value for voltage fuse failure i.e. “3U0>”=10. The fuse failure will not pickup. Now start decreasing the value of current and not down the current value when X35:5 and X35:1

d. Now we will simulate VT MCB TRIP by connecting +R (X51:1) to X34:1 i.e. BI01 of module no. S29. Now contact X35:1 and X35:5 of module no. S29 BO04 which will get close from NO status and also LED no. 6 and 15 will come and reference drawing no.

will get close. Do the same procedure for all phases for current settings of fuse failure.

9030-E-EQ-113

SHEET NO. 222

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3. Checking binary I/O of the relay:

A. Testing I/P’s:

a. To test the I/P’s of the relay, we will apply 125 volts DC on all the inputs and by making the relay online through debug mode in terminal configuration we will observe the color of the corresponding I/P becoming red from blue.

b. Now we start from the module S13 and its I/P no BI01 that corresponds to X18:1 and X18:4. Now we will take the 125V DC from freja. Now we will apply the DC +ve on X18:1 and –ve to X18:4.

c. On main window of CAP540 right click the added relay (REL50525.1) and single left click on Terminal Configuration

.

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e. Type password i.e. NEW and single left click on OK

.

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f. In “terminal configuration” window double click “I_O

” worksheet to open it.

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g. Now on this window click on DEBUG

mode button on the top menu bar.

h. Now we will notice that S13 BI01

will become red. It means I/P is available on this binary I/P.

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i. Now we can check all I/P’s so on and so forth by the same procedure.

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B. Testing O/P’s:

a. In this test we will check the binary inputs and outputs of the relay for proper function. Now we will configure an input as “testip”. And we will configure all the O/P’s of the relay for this I/P. It means when ever this I/P will be high all the O/P contacts will become close from NO. Suppose that we will configure BI02 of S13 module to

b. On the main window (testip

CAP 540 Client) go to the added relay (REL53125.1) and right click and go to the “terminal configuration

”.

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b. After opening the window of terminal configuration it will ask for the password. The password is “NEW”. And click on “OK

”

c. On the main window (CAP531 – [Project(1) : PRJ2]) you see many worksheets. Among them S13 up to S29 are I/P and O/P modules

.

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d. Now we will double click on any module we want to give I/P from i.e. S13

in our case. So double click the module name. A window will b opened.

e. Now on this functional block Binary Input terminals will be available but we will take I/P on S13 BI02. Now single left click on BI02 and press “V” from the keyboard and a variable name selection window will appear. Here you type the name of I/P variable i.e. testip and then click OK

.

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f. Now close the worksheet. A window will prompt you to save changes, click YES

.

g. You will b prompted to main terminal configuration window. Now click on MAKE then COMPILE ALL


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h. It will compile all the configuration changes you have made. Now you can download

i. Now we will configure all the O/P’s of all the functional blocks to


testip.

j. On the main window (CAP531 – [Project(1) : PRJ2]) you see many worksheets. Among them S13 up to S29 are I/P and O/P modules

.

k. You can configure any O/P variable to any module. We suppose that we want to take testip on S13 BO01

.

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l. Now we will double click on any module we want to give the O/P from i.e. S13

in our case. So double click the module name. A window will b opened.

m. Now on this functional block Binary Output terminals will be available e.g. in our case BO1 is already used for an output. Now we will single left click on BO01 and press “V” from the keyboard and a variable name selection window will appear. Here you type testip i.e. the name of the O/P variable and then click OK

.

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n. Now in the same way configure all the O/P’s of all the modules available for testip.

o. Whenever you will close the worksheet of any I/O module. A window will prompt you to save changes, click YES

.

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p. You will b prompted to main terminal configuration window. Now click on COMPILE TERMINAL


q. It will compile all the configuration changes you have made. Now you can download


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r. For sending it to relay single left click on online and then click “download configuration

” and click it.

s. You will be prompted to a window. Click on “YES”

.

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t. Now your configuration is downloaded to the relay in the following sequence.

a. Readingb.



Readingd.



Writingu. Now you will apply 125V dc from the freja on S13 BI01 that

corresponds to _____ and _____. Now all the O/P’s of the relay will get close from open. Now we can check the continuity of all the contacts before and after applying 125V.


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4. Contact Operating Time:

a. To perform this test, connect the START contacts of “TM200 timer” to the freja red & neutral. Make it on voltage operated and make it from OFF to ON and its STOP to the O/P of any contact keep this on DRY CONTACT and make it from ON to OFF

b. Now as soon as you .

ON the freja O/P “TM200 timer” will start and as soon as the contact picks up the timer will stop. This way we can measure the P/U time

c. To measure the of the contact.

D/O time of contact, connect the START contacts of “TM200 timer” to the freja red & neutral. Make it on voltage operated and make it from ON to OFF and its STOP to the O/P of any contact keep this on DRY CONTACT and make it from OFF to ON

d. Start the freja O/P. Now as soon as you STOP the freja O/P “

.

TM200 timer” will start and as soon as the contact drops off, the timer will stop. This way we can measure the D/O time

of the contact.

5. Watch Dog Contact:

a. Turn off the power supply of relay. Now keep your multi meter on continuity and connect it with the X18:15 & X18:16. Now you will observe that this contact is closed. Now make the power supply ON

. Now you will see that continuous beep will be coming unless the terminal gets start. As soon as it gets start the beep will be gone, indicating that the relay is healthy.

6. DC Measuring:

a. Connect in series MM with either X18:17 and R1+ or X18:18 and R1-. Now measure the normal current. Now make the relay pick up for any fault and again measure DC current.

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7. Polarizing voltage Pick up: 1. Polarizing voltage has a default setting of 1% of the

rated voltage that is in our case it will be 0.63V. 2. To check this pick up voltage we will go to freja

instrument general mode 1st page. 3. Here we will make all the three phase voltages 63.5V

with angle of 65˚ and we will make one phase current (lets say red) equal to 1A and other two phase currents equal to zero.

4. Connect multi meter/ buzzer on contacts X21:10 & 14. As soon as relay will pick up this contact will get close and buzzer will ring.

5. Now we will press the start button of freja. Though residual current is more than the pick up value of TEF function. But since there is no polarizing voltage i.e. residual voltage so this relay can not pick up.

6. Now you will start decreasing the voltage on one phase lets say red phase, by doing so we are applying polarizing voltage. Now the buzzer will start ringing at a particular value of voltage that in our case will be app. 62.9V.

7. This means that polarizing voltage we applied is 63.5 – 62.9 = 0.6V which is exactly 1% of our rated voltage (63.5V)

8. In a similar way you can take as many readings as per your test format.

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8. Instantaneous Over Current Protection: 1. Right click on the added relay i.e. REL50525.1 and select

Parameter Settings.

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2. Now Follow the below sequence and make its Operation ON and its current value IN

SETTINGS>Setting Groups>Setting Group N>Phase and earth fault Current>IOC

to be 75%.

3. Go to freja instrument general mode and make one phase voltage e.g. red phase 60 V and rest of the 2 phase voltages 63.5 V and make all phase currents equal to zero. Now increase one phase current e.g. red phase first. Increase it to above the set value of IN>> i.e. 75% which means 3.75A and check the pickup value of current.

4. Our Output trip contacts are module no S15 BO1 X :1 and X :2. Now you will connect these O/P terminals to M.M. and make MM on buzzer to see when this contact is picked up.

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5. Now to check its timing you will connect make freja instrument general mode 1st stage at rated voltage i.e. 63.5V and zero current in all three phases. And in 2nd stage keep the voltages at 63.51 and make one phase current greater than set value i.e. 3.75A e.g. make it 4A. Now start the freja sequence mode from 3rd page of the general mode. And connect above mentioned trip contacts of the relay to the freja I/P contacts.

6. Now in the similar way you can check all the phases and

take all the readings as per your format.

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9. Definite Time Non Directional Over Current Protection:

1. Right click on the added relay i.e. REL50525.1 and select Parameter Settings.

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2. Now Follow the below sequence and make its Operation ON and its current value IN

SETTINGS>Setting Groups>Setting Group N>Phase and earth fault Current>TOC

to be 50% and set Time to be 2 sec.

3. Go to freja instrument general mode and make one phase voltage e.g. red phase 60 V and rest of the 2 phase voltages 63.5 V and make all phase currents equal to zero. Now increase one phase current e.g. red phase first (we are increasing residual current). Increase it to above the set value of IN>> i.e. 50% which means 2.50A and check the pickup value of current.

4. Our Output trip contacts are module no S15 BO2 X :3 and X :4. Now you will connect these O/P terminals to M.M. and make MM on buzzer to see when this contact is picked up.

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5. Now to check its timing you will make freja instrument general mode 1st stage at rated voltage i.e. 63.5V and zero current in all three phases. And in 2nd stage keep the voltages at 63.51 and make one phase current greater than set value i.e. 2.50A e.g. make it 3A. Now start the freja sequence mode from 3rd page of the general mode. And connect above mentioned trip contacts of the relay to the freja I/P contacts.

6. Now in the similar way you can check all the phases and

take all the readings as per your format.

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10. E/F Communication Scheme: 1. Right click on the added relay i.e. REL50525.1 and select

Parameter Settings.

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2. Now Follow the below sequence and make its Operation ON and select the scheme to be blocking

SETTINGS>Setting Groups>Setting Group N>Phase and earth fault Current>EFC

and set coordination Time to be 0.05 sec.

3. Now go to Freja instrument general mode and inject on red phase 60 V and other two phases 63.5 V (so that polarizing voltage is there). Now first inject on red phase current equal to 1A and other two phases zero at an (voltage) angle of 65˚. Since there is no carrier receive and relay will sense the fault in forward direction so it will get trip instantaneously with out waiting for TEF trip time.

4. Our trip contact reference is X18:7 & 8. 5. Now we will simulate the Carrier receive input by

applying positive on X18:3 and negative X18:4 (DC supply of 125V).

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6. Now go to Freja instrument general mode and inject on red phase 60 V and other two phases 63.5 V (so that polarizing voltage is there). Now first inject on red phase current equal to 1A and other two phases zero at an (voltage) angle of 65˚. Since there is carrier receive present and relay will sense the fault in forward direction so it will not trip instantaneously. And no Aided trip will be observed.

7. Here we will inject reverse direction fault and we will

observe the carrier sending feature of the relay.

8. Go to Freja instrument general mode and inject on red phase 60 V and other two phases 63.5 V (so that polarizing voltage is there). Now first inject on red phase current equal to 1A and other two phases zero at an (voltage) angle of 245˚. Now relay will sense the reverse direction fault and will send a block signal to remote end. This Carrier send can be observed by connecting multi meter/ buzzer on X21:17 & 18 as this contact will get close from OPEN state.

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11. Current Reversal Logic: 1. Right click on the added relay i.e. REL50525.1 and select

Parameter Settings.

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2. Now Follow the below sequence and make Current Reversal Operation

SETTINGS>Setting Groups>Setting Group N>Phase and earth fault Current>EFCA

ON and set tPickup and tDelay as per your final settings.

3. Go to Freja instrument general mode and on its first page inject on red phase 60 V and other two phases 63.5 V (so that polarizing voltage is there) and inject on red phase current equal to 1A and other two phases zero at an (voltage) angle of 245˚. Now go on 2nd page and inject red phase 60V and other two phases 63.5V and make one phase current equal to 1A and at a voltage angle of 65˚. Now go on 3rd page of freja and press the start button. Now relay will sense the reverse direction fault in the first page set duration and then immediately current direction will get reverse on 2nd page of freja and current reversal will get activated and it will block the communication scheme of earth fault for tDelay time.

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4. Now you can set the tDelaytime in the parameter setting tool and observe that no trip will come on contacts no. X18:7 & 8 for the set delay time.

5. In the similar way you can inject as many different phase faults as much present in your format.

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12. Residual Directional O/C test:

a. Minimum Operating Current: 1. Right click on the added relay i.e. REL50525.1 and select

Parameter Settings.

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2. Got to SETTINGS>Setting Groups>Setting Group N>Phase and earth fault current>TEF. Here set t1 = 0.0 sec and make all other settings as per final settings.

3. Go to freja instrument general mode and make one phase voltage e.g. red phase 60 V and rest of the 2 phase voltages 63.5 V. Make voltage angle 65 degree (characteristic angle). Now increase one phase current e.g. Red phase current and keep blue and yellow phase currents at zero A note the value when relay trips.

4. O/P contacts are S15 BO3 X :5 and X :6. Connect MM (buzzer) to these contacts to see when relay picks up.

5. Repeat same procedure for all the three phases one by one keeping other two phases at zero current.

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b. Start Current for TEF protection: 1. Right click on the added relay i.e. REL50525.1 and select

Parameter Settings.

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3. Now here you will make one phase voltage 60V and other two phase voltages 63.5V so that polarizing voltage is there.

4. Now you will inject first on zero degree angle and make all phase currents equal to zero.

5. Now increase any one of the phase currents (by doing so we are applying residual current). And note that multi meter/ buzzer connected on X21:10 & 14 will operate/ get close on specific current level. Note this current value.

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6. Now to see in which direction relay has been picked up, right click on the added relay i.e. REL 50525.1 on the main window of CAP540. And select the terminal configuration.

7. Enter password that is “NEW”.

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8. Now double click on CURR_PROT worksheet.

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9. Now click on DEBUG mode button to make the relay online.

10. Now when relay will pick up in forward direction TEF-ST FW will become red. And when relay will pick up in reverse direction, TEF-ST REV will become red from blue. When ever relay will pick up in reverse direction, no trip will come only TEF-ST REV will become red.

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11. Now you can inject as many faults as in your firmat in the similar way.

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c. Timing test for TEF: 1. Right click on the added relay i.e. REL50525.1 and select

Parameter Settings.

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3. Got to 2nd page of freja instrument general mode. Now here you will make one phase voltage 60V and other two phase voltages 63.5V so that polarizing voltage is there and make the angle 65˚.

4. Now make the residual current two times the set value that is in our case make it 1A on red phase first and make other phase currents equal to zero. Connect the trip contacts of the freja to X21:10 & 14.

5. Now start the freja and observe the trip time which should be equal to 1 sec (our set time).

Testing Procedure for DEF REL 505

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Transcript of Testing Procedure for DEF REL 505