CDVR COMMISIONING
Transcript of CDVR COMMISIONING
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CDVR CommissioningOctober 29 - 31, 2007
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Outline
Commissioning
Product Physical Layout
Information Needed
Start up Procedure
Testing and Adjusting
CAT PC Software
Gain Settings
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CAUTION
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Information Needed
Generator Set Rating
Voltage
Current
Frequency
Power
Power Factor
Generator Time Constants (Td0 & Te)
Protection Settings
Generator Over / Under Voltage Trip Value and Time Delay
Over Excitation Type, Trip Value and Time Setting
Reverse kvar Trip Value and Time Delay Exciter Diode Monitor Ripple Current Trip Value
Loss of Sensing Time Delay
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Testing and Adjusting
Startup Procedure
Connect per Wiring Diagrams section of I/M
Apply battery power
Connect serial cables
Install CAT PC Software if necessary (see I/M)
Start PC Software
Establish Communications
Verify parameter settings
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Testing and Adjusting
Startup Procedure (contd)
Changing Settings
Press EEPROM button to save settings
Start Engine, Make final adjustments
Press EEPROM button to save settings
Record all Settings
Press Get From Unit verify all settings were saved
Disable CAT PC Software Communications
Verify Communications with CAT ET (CANbus)
Enjoy benefit of electricity
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Startup ConnectionsPMG Power, ABC Rotation 3-Phase Sensing
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Startup ConnectionsPMG Power, 3-Phase Direct Sensing
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Startup ConnectionsPMG Power, 1-Phase Sensing
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Startup ConnectionsPMG Power, 1-Phase Direct Sensing
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Startup Connections3-Phase Self Excited, 3-Phase Sensing
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Startup Connections3- Phase Self Excited, 1-Phase Sensing
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Startup ConnectionsSelf Excited, Direct L-N Connect, 1-Phase Sensing
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Startup ConnectionsAREP Power, 3-Phase Sensing
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Typical Cross Current Connection with 2 CDVRs
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Typical Cross Current Connection with 3 CDVRs
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Typical Cross Current Connection with 1 CDVR and 1 DVR
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Typical Connection with Manual Voltage Control
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Establish Communications
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Establish Communications
Password = CAT
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Establish Communications
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Communications Established
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Testing and Adjusting
Verify Parameter Settings Contd
Settings
Setpoint
AVR Voltage (limited by Volt Adj Band, 120V default) VAR (% of rated, +/- 100%, 0% default)
Power Factor (+/- 0.6, 1.0 default)
AVR Voltage Control (CAN / Switch, CAN default)
VAR/PF Control (CAN / Switch, Switch default)
Load Compensation Mode (Off, Droop, LDC, Off default)
Load Comp Setpoint (0 to +/-10%, 0% default)
Voltage Adjustment Band (0 to +/- 15%, 15% default)
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Droop vs. Load Compensation
Load Compensation
96979899
100
101102103104105106
-100 -50 0 50 100 150
% Reactive Load
%R
ate
dVoltage
Voltage Droop
99
100
101102
103
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105
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-100 -50 0 50 100 150
% Reactive Load
%Rate
dVoltage
Shown with3% Droop
Shown with5% Load
Comp
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Testing and Adjusting
Verify Parameter Settings Contd
Settings
Startup
Soft Start Mode Soft Start Bias (0 90%, 10% default)
Soft Start Time (0 120s, 5s default)
Under Frequency Mode
Knee Frequency (45 64Hz, 50Hz default)
Freq. Dev. From Knee Freq.(5Hz - fixed)
Slope #1 and #2 (0 10Hz, 2Hz default for both)
Min Voltage (50 100%, 50% default)
Min Frequency (20 40Hz, 25Hz default)
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Soft Start
Vref
SS bias
SS time
0
generator voltage
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Under Frequency Mode
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Testing and Adjusting
Verify Parameter Settings Contd
Settings
Control Gain
PID Pre-Settings 1 20 pre-programmed, 1 custom PID settings
PID Calculator
AVR
Kp, Ki, Kd (0 1000, 200/600/50 defaults)
Td (0 1s, 0 default)
Kg (0 1000, 50 default)
VAR/PF
Ki, Kg (1 1000, 5/2.5 & 5/3 defaults)
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Testing and Adjusting
Verify Parameter Settings Contd
PID Gains
PID Calculator
Tdo & Te required (2.0 & 0.33s defaults) Adjust Kg to achieve desired response
Good generic values: PID = 80,20,10 then adj Kg as needed
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Testing and Adjusting
Tdo from Generator Data Sheet
Te ranges from 0.06s to 0.26s see Table 9
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Testing and Adjusting
Verify Parameter Settings Contd
PID Gains
var / PF Integral and Loop Gain Settings
Use factory defaults as a staring point Increase Kg to increase speed of response (suggest
keeping it slow)
Increase Ki if var/PF regulation not acceptable
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Testing and Adjusting
Verify Parameter Settings Contd
Protection
Shutdown Override (Enable to override shutdowns, Disabled is
default value) Function not affected:
Gen. Overvoltage
Gen. Undervoltage
Reverse VAR Fault Reset too long
Cannot be saved in EEPROM Cycling power causesfunction to become disabled on power up
Generator Overvoltage (105 135%, 2 30s, 135%, 2s default) Generator Undervoltage (60 95%, 10 120s, 60%, 30s
default)
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Testing and Adjusting
Verify Parameter Settings Contd
Protection
Over Excitation Threshold is default (0 12A, 0 10s, 12A
& 10s default) Over Excitation Inv Time(0 12A, TD = 0 10, 12A & TD =
10 default)
Reverse VAR (10 100%, 0.1 9.9s, 10% & 3s to be
defaults soon) Fault Reset Too Long
Exciter Diode Monitor (1 10A, 2A default)
Loss Of Sensing (0 25s, 2A default)
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Testing and Adjusting
Verify Parameter Settings Contd
Settings
Metering
Gen Voltage Gen Current
Gen Freq
Gen Power
Aux DC Input Exciter Field
Operating Mode
Fine Adjustment
Setpoint
Status
Alarms
Contact Inputs
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Testing and Adjusting
Dont Forget
Press EEPROM button to save settings
Record all Settings
Press Get From Unit verify all settings were saved Disable CAT PC Software Communications
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Testing and Adjusting
Wrap up
Press EEPROM button to save settings
Start Engine, Make final adjustments
Press EEPROM button to save settings Record all Settings
Press Get From Unit verify all settings were saved
Disable CAT PC Software Communications
Verify CAT ET operation
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QUESTIONS?