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DATA SHEET OF 415 V VVVF DRIVE FOR MOTORS

P.O No :2300024123/109 DATED 28/04/2010

CONSULTANT :M.N DASTUR & CO (P) LTD DOC. NO.: BSL-TSL-GMBS-DS-97, R:1

VVVFD DESCRIPTION PARAMETERS

1 Input Supply 415 V with +- 10 % Variation

2 Input Frequency 50 +/-4%

3 Fundamental Power Factor 0.95 to 0.98 (at nominal load)

4 Output Voltage 3Ph symmetrical, U, at the field weakening point

5 Output Frequency 0-500Hz

6 Frequency Resolution 0.01Hz

7 Overload Capacity

8 Peak Overload Capacity Imax (400VAC and 500VAC) (atleast 10secs at start)

9 Field Weakening Point 8 to 500Hz

10 Switching 4KHz (average)

11 Acceleration Time 0-1800 Sec

12 Deceleration Time 0-1800 Sec

13 Efficiency 98% at Nominal Power Level without Encoder feedback

14 Ambient Temp

15 Relative Humidity 5-95%

16 Inrush Current Less than rated i/p Current

17 Motor Control DIRECT TORQUE CONTROL

18 Torque Control Torque Step Rise Time :

Open Loop : <5ms with Nominal Torque

Closed Loop : <5ms with nominal Torque

Non - Lenearity :

Open Loop : +/- 4% with nominal torque

Closed Loop : .+/-3% with Nominal torque

19 Speed Control Static Accuracy :

Open Loop : 10% of motor slip

Closed Loop : 0.01% of nominal speed

Dynamic Accuracy :

Open Loop : 0.3 to 0.4% /Sec with 100% torque step

Closed Loop : 0.1 to 0.2% / Sec with 100% torque step

20 Analog I/P 3 (Atleast 2 programmable Differential Current I/P

21 Analog O/P 2 programmable Differential Current O/P

22 Digital I/P 6

23 Digital O/P 3 relay O/P

24 Single Phase Protection Required (I/P & O/P)

25 Overvoltage Trip Limit 1.3 * Vmax

26 Undervoltage Trip Limit 0.65 * Vmin

JOB NAME: GAS MIXING & BOOSTING STATION FOR TSCR & LCP #8 & #9

CUSTOMER :TATA STEEL LTD ,Jamshedpur 3MTPA Expansion Project

Sl No DATA TO BE CONFIRMED BY

VENDOR

110% for 1min Every 5mins for Fan/Pump Load , 150% for 1 min Every 5mins for Heavy Duty Application

40 Deg C. above 40°C the maximum output current is de-rated 1% for every additional 1°C (up to 50°C (122°F) maximum limit

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DATA SHEET OF 415 V VVVF DRIVE FOR MOTORS

P.O No :2300024123/109 DATED 28/04/2010

CONSULTANT :M.N DASTUR & CO (P) LTD DOC. NO.: BSL-TSL-GMBS-DS-97, R:1

VVVFD DESCRIPTION PARAMETERS

JOB NAME: GAS MIXING & BOOSTING STATION FOR TSCR & LCP #8 & #9

CUSTOMER :TATA STEEL LTD ,Jamshedpur 3MTPA Expansion Project

Sl No DATA TO BE CONFIRMED BY

VENDOR 27 Over Temperature 140 deg C (284 Deg F)

28 Auxiliary Voltage Short Ckt Protected

29 Ground Fault required

30 Microprocessor Fault required

31 Motor Stall Protection required

32 Motor Over-temperature Protection (I2t) required

33 Degree of Protection IP 40

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DATA SHEET OF 6.6 KV SWITCHBOARD

2300024123/109 DATED 28/04/2010

DOC. NO.: BSL-TSL-GMBS-DS-52, R:0

Sl No Description PARAMETERS

1.4 Equipment 6.6 kV Switchgear

1.4.1 Type Horizontal isolation, horizontal drawout,vaccum /SF6 circuit -breaker

1.4.2 Rating of circuit breaker 6.6 kV,1250 A, ,40 kA for 3 Secs

1.4.3 Type of Operating Mechanism

1.4.4 Closing Coil Voltage 110 V D.C.-Supply to be obltained from substation D.C.D.B

1.4.5 Trip Coil Voltage 110 V D.C

1.4.6 Accessories -TNC Switch-Alarm accept push -button

-Anti - pumping contactor- MCBs for spring charging motors and auxiliary transformer -HRC control circuit fuses and liks

-Stud Type terminal strips to which all contacts shall be wired to.-Painted mimic- All other fittings & accessories as required

1.4.7 Current Transformers -Cast resin CTs ,40 kA /1 Sec

1.4.8 Relays -As required and as per SLD

1.4.9

1.4.10 Meters As per single line digram (minimum)/as required

1.4.11 Indication lamps (110 AC Cluster LED for All Lamps) -CB "ON" "OFF", "AUTO TRIP","SPRING CHARGED","TRIP CIRUIT HEALTY"

1.4.12 6.6 kV switch board panels

1.4.13

1.4.14

1.4.15

1.4.16

JOB NAME: GAS MIXING & BOOSTING STATION FOR TSCR & LCP #8 &

#9

240 V AC Motorised Spring Charged ( Supply to be obtained from substation A.C.D.B /Auxilliary /Control Transformer

-CB auxilliary NO & NC swicthes (2 NO & 2 NC) spare in service position to be left wired up to terminal strips for Purchaser's use )

-240 V A.C space heaters with thermostat and switch and 240 V switch socket outlet for each panel

-One number single element high burden 110 DC master trip relays ,type VAJH -13 (Typical)

-Additional panel of identical dimensions and paint shades to the above panels shall be if the relays and meters as specified cannot be accomodated as proposed

For the specified arrangement of switchboard arrnagement of switchboard and cable termination ,dummy panels ,bus riser ,if required ,shall be provided as required.

Automatic Bus Transfer (ABT) scheme shall be incorporated in 6.6 kV switchboard ,generally confirming to with synchronism check provision and with timer to allow paralleling for restoration of normal power supply to prevent asynchronous closing.Auto /manual selection shall be provided for ABT .Provision shall also be provided to prevent closing of incoming & bus coupler circuit -breakers on “BUS FAULT “ conditions.

Protection ,control & supervision relays shall be numerical type. All metering relays,controls ,Alarm and annunciation system ,indication lamps shall be mounted on the hinged door of the metering chamber in front of the switchboard.

Communicable type numericl and microprocessor based protection ,control and supervison relay shall be provided for .6 kV incoming and outgoing feeders.

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DATA SHEET OF 6.6 KV SWITCHBOARD

2300024123/109 DATED 28/04/2010

DOC. NO.: BSL-TSL-GMBS-DS-52, R:0

JOB NAME: GAS MIXING & BOOSTING STATION FOR TSCR & LCP #8 &

#9

1.4.17

1.4.18

1.4.19

1.4.20 Each Bus section shall indicate bus voltage through individual bus PT provided in each bus section

1.4.21 Swicth board shall have base frame.

1.4.22 Switch board shall have continuos 50 X 6 copper earth bus at the bottom of the panel.

1.4.23 Pilot wire protection relays shall be accompanied with current injection unit.

General requirement of the communicable type numerical relay Instantaneous & IDMTL over current protection of setting range 8% to 800 % of CT primary current for instantaneous element with delay 0-10 seconds and 8% to 200 % of CT primary current for IDMTL element and instantaneous & IDMTL earth fault protection of setting range 8% to 100 % of the CT primary current with time delay 0-10 seconds for instantaneous element . For incomers, numerical relays shall have O/C facilities.

Digital type Kwh meters of SATEC make shall be provided for the 6.6 kV incomers of 6.6 kV switchboard with facility of data transmission ,in future ,having pulse output for data acquisition.

Static annunciation system with provision for alarm (audio & visual)and adequate channel with test /accept /reset acknowledge Pbs for indication 6.6 kV Incoming & outgoing CB status, 415 V incoming /buscoupler ACBs status ,D.C supply availability ,ventilation system failure & battery charger disturbance etc and transformers fault & trip status .A common push button for testing all lamps shall be provided .