20240909IPC to Staff 95(e) - Attachment 4 - MLPR200001 Unit 1 Commissioning MLPR1 - Startup_FCR_AVR Commissioning Guide_R1.pdf

4411#4 U-1 P%mER.
Milner Power Plant U1
Auto Voltage Regulator (AVR)
Commissioning Guide
Nicholas McGhie
Senior Engineer
Power Production
Electrical Engineering Group
Initial Controller Settings and AVR Operational
Commissioning Procedure
2024
© 2024 Idaho Power

Idaho Power Company Abbreviated Title
Review/Revision History
This document has been approved and revised according to the revision history
recorded below.
Review Date Revisions
02/01/2024 Document was implemented.
Table of Contents
Review/Revision History...................................................................................................................i
Tableof Contents..............................................................................................................................i
Listof Tables ...................................................................................................................................iii
Listof Figures..................................................................................................................................iii
Listof Appendices...........................................................................................................................iv
1 Preparations.............................................................................................................................. 1
1.1 Project Information.......................................................................................................... 1
1.2 Field Measurements ........................................................................................................ 1
1.3 Equipment Verification .................................................................................................... 1
2 Controls Checkout..................................................................................................................... 2
3 SCADA List................................................................................................................................. 2
4 Initial Settings............................................................................................................................ 2
4.1 Configure............................................................................................................................. 2
1.1.1 Controller Logic Load ................................................................................................. 2
1.1.2 Rated Data ................................................................................................................. 2
1.1.3 Options....................................................................................................................... 3
1.1.4 Auxiliary Inputs .......................................................................................................... 3
1.1.5 Meter Drivers............................................................................................................. 4
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1.1.6 System Data ............................................................................................................... 4
1.1.7 Transient Boost.......................................................................................................... 5
1.2 Settings................................................................................................................................ 5
1.2.1 AVR/FCR/FVR............................................................................................................. 5
1.2.2 VAR/PF ....................................................................................................................... 6
1.2.3 Startup ....................................................................................................................... 7
1.3 Gain..................................................................................................................................... 7
1.3.1 AVR Gains (Primary)................................................................................................... 7
1.3.2 AVR Gains (Secondary)............................................................................................... 7
1.3.3 FCR Gains ................................................................................................................... 8
1.3.4 FVR Gains ................................................................................................................... 8
1.3.5 Other Gains................................................................................................................ 8
1.4 Limiting................................................................................................................................ 9
1.4.1 Configuration ............................................................................................................. 9
1.4.2 Summing Point OEL (Primary).................................................................................. 10
1.4.3 Summing Point OEL (Secondary) ............................................................................. 10
1.4.4 UEL (Primary) ........................................................................................................... 11
1.4.5 UEL (Secondary)....................................................................................................... 11
1.4.6 Takeover OEL ........................................................................................................... 11
1.4.7 SCL (Primary & Secondary) ...................................................................................... 11
1.4.8 VARL (Primary & Secondary).................................................................................... 11
1.4.9 Scaling (Primary & Secondary)................................................................................. 11
1.5 Protection ......................................................................................................................... 12
1.5.1 General Protection (Primary)................................................................................... 12
1.5.2 General Protection (Secondary) .............................................................................. 12
1.5.3 24 Voltz/Hz............................................................................................................... 12
1.5.4 Loss of Sensing......................................................................................................... 12
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1.5.5 EDM.......................................................................................................................... 13
1.5.6 Relay Setup .............................................................................................................. 13
1.6 Data Log ............................................................................................................................ 14
1.6.1 Log Setup (Initial) ..................................................................................................... 14
1.6.2 Mode Trigger............................................................................................................ 14
1.6.3 Log Selection............................................................................................................ 14
1.6.4 Mode Triggers.......................................................................................................... 15
1.6.5 Level Triggers........................................................................................................... 15
1.6.6 Logic Triggers ........................................................................................................... 15
5 Commissioning........................................................................................................................ 17
5.1 Operations Loading Summary........................................................................................ 17
5.2 Final Data Acquisition Summary.................................................................................... 18
List of Tables
Table ?
Enter the table number above its caption and apply the "Caption Table No" style.
Enter the caption for the table below its number and apply the "Caption Table" style.
Update (right click > Update Field) the List of Tables after all table captions have been
added .............................................................................................Error! Bookmark not defined.
List of Figures
Figure ?
Enter the figure number above its caption and apply the "Caption Figure No" style.
Enter the caption for the figure below its number and apply the "Caption Figure"
style. Update (right click > Update Field) the List of Figures after all figure captions
have been added............................................................................Error! Bookmark not defined.
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Idaho Power Company Abbreviated Title
List of Appendices
Appendix ?
Enter the appendix number above its caption and apply the "Caption Appendix No"
style. Enter the caption for the appendix below its number and apply the "Caption
Appendix" style. Update (right click > Update Field) the List of Appendices after all
appendix captions have been added.............................................Error! Bookmark not defined.
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Idaho Power Abbreviated Title
1 Preparations
1.1 Project Information
• Project Server Location:
\\FresnoPowerProduction\Plants_Hydro\17 MLPR Milner\Projects\2020-MLPR12-
AVR Upgrade - MLPR200001\Engineering-Commissioning\Unit 1
• Modeling Server Location:
\\Fresno\powerproducton\Plants_Hydro\17 MLPR Milner\Condition Assessment
and Info\NERC MOD\2023-MLPRI-MOD026
1.2 Field Measurements
1.2.1 ❑ Micro-Ohm Resistance Test, Value: MC) @ 200C
a. Original Value is 0.6740 @ 25°C
b. Manufacture Value is 0.6740 @ 25°C
1.2.2 ❑ Review Final Rotor IR Test Report, Value: Mfg
(Including Slip Rings, Initial Maintenance Record
1.2.3 ❑ Complete final field measurements forms and save to SharePoint Site
Plant Condition Assessment Library- All Documents
1.3 Equipment Verification
1.3.1 ❑ Verify Unit Style Number: DECS-400-1-C-5-U
1.1.1..1 1 = PSS
1.1.1..2 C = 125V (ac or dc)
1.1.1.3 5 = 5A CT Secondary
1.1.1..4 U = Battery Backup for real-time clock.
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2 Controls Checkout
3 SCADA List
4 Initial Settings
4.1 Configure
If the unit has a PSS it must be disabled. Reference the PSS Commissioning guide.
4.1.1 Controller Logic Load
1. ❑X Load logic into controller for single DECS with PSS.
(Load with Initial Settings)
4.1.2 Rated Data
4c. e=0-��a� Menufac_u:1e=
495000 kVA Pover :ec_cr C 4oA. s=ee: ZCO RPM
2 e 0 0 7-7- V Duty speed 540 RPM
2C50 A stator v:nc-4 nc: :ner__a _ansr. 2. 5i kWs/kVA
cznnec_:cn
of Hz =xc:t=t:on !sC A �J V
03 Phases Insulac_cr, class statorif_ele vcg.
31recc:cn of rc:at:cn seen . . ca s: _ _ng side y---7-71
Tenoerevure r_se above
cold FAiR i:n stsccr vinc:zg: 5C <. '_n . _el�'. vind'ng 60 K
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C. Calculated resistances
Generator Field at 25 Degrees Celsius 0 . 674
Generator Armature at 25 Degrees Celsius 0 . 003 (p.u. )
Negative Sequence Resistance 0 . 016 (p.u. )
4.1.3 Options
Setting Comments
Voltage Sensing ABC 3-Phase Per 281301A, All phases normal
rotation.
Field Type Main Field Static Exciter
Bridge Control Signal -10V-> +10V Standard
Temperature Mode DEG. C Standard
Underfrequency Mode V/Hz Standard
Current Sensing Three Per 281101.dwg
C I Selection A-B
Generator Frequency 60 Nameplate
Voltage Matching Disabled At Startup, will enable during
commissioning later.
Internal Tracking Enabled Standard on single DECS to track
between FCR and AVR modes.
External Tracking Disabled ?d for Dual DECS designs.
Inner Loop Field Regulator Disabled
4.1.4 Auxiliary Inputs
Setting Comments
Input Type Voltage
Summing Type Inner Loop
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��+ i��,.+ /DC'C'1�� in+„�� The
Input Function Remote Setpoint met is "r
Aux is not used.
Aux Gain Settings Only used if using Aux control.
AVR (�^
FVR (Mode) Gain
VAR (Mode) Gain
PF (Mode) Gain
Droop Compensation Enabled, 5% This is for parallel generators,
otherwise Disabled.
Line Droop Compensation Disabled, 0%
Cross Current Compensation Disabled, 0%
4.1.5 Meter Drivers
Setting Comments
Meter Driver 1 Disabled No devices connected per281301A.
System Parameter Metered ...
Minimum Value ...
Maximum Value ...
Meter Driver 1 Disabled No devices connected per281301A.
System Parameter Metered ...
Minimum Value
Maximum Value ...
4.1.6 System Data
Setting Comments
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Gen PT: Primary Voltage 14,400 Per281101
Gen PT: Secondary Voltage 120 Per281101
Gen CT: Primary Current 3000 Per281101
Gen CT: Secondary Current 5 Per 281101
Per 281105/281107. This will be
Bus PT: Primary Voltage 14560 verified prior to synchronizing with
relays.
Bus PT: Secondary Voltage 120 Per281105/281107
Internal Tracking Delay 1.0 Standard
Internal Tracking Transvers Rate 3.0 Standard(2.0 is also used)
External I racking (Secondary) Not Used,for Dual Decs.
' T r Not Used,for Dual Decs
Field Current Sensing: Shunt 800 Per281301A
Field Voltage Isolation Transducer 375 Per281301A
4.1.7 Transient Boost
Setting Comments
Transient Excitation Boosting Disabled Not used for IPCo.
4.2 Settings
4.2.1 AVR/FCR/FVR
Setting Comments
AVR
Setpoint 13,800
Min % (Rated) 95.0 Standard is 0.95, Verify with TO.
Max% (Rated) 105.0 Per nameplate
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Idaho Power Abbreviated Title
Transverse Rate 30 Standard 30.
AVR Pre-Position 1
Setpoint 13,800 This brings it up to rated.
Mode Release
Transverse Rate/Enable Disabled Some as above if disabled.
AVR Pre-Position 2
Setpoint 13,800
Mode Release
Transverse Rate/Enable Disabled Some as above if disabled.
FCR
20% of Rated Field Current to start.
Setpoint (270) (450A x 20%=90A)
SNL (2017) = -270A (V-curve, online)
Min % (Rated) 20.00 Initial Setting for startup. (90A)
Max % (Rated) 105.0 Standard 105.0 but may be adjusted
later.
Transverse Rate 120 60-200 been used. Standard 120.
FCR Pre-Position 1
Setpoint 90 Initial Setting for startup
Mode Release
Transverse Rate/Enable Disabled
FCR Pre-Position 2
Setpoint 90 Initial Setting for startup
Mode Release
Transverse Rate/Enable Disabled
4.2.2 VAR/PF
Not Used
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Idaho Power Abbreviated Title
4.2.3 Startup
Setting Comments
Primary Soft Start Level 25 Standard 25.
Primary Soft Start Time 15 Standard 15.
Secondary Soft Start Level Not Used(Make some as primary)
Secondary Soft Start Time Not Used(make Same as primary)
Field Flash Dropout Level 50 Standard 50.
Maximum Field Flash Time 10 Standard 10. (up to 25)
Voltage Matching Band 10.00 Standard 10.0
Voltage Matching (Gen-Bus PT) 100.2 Plant, unit specific.
Volts/Hz High Limiter 1.08 Standard 1.08
Volts/Hz Low Limiter 1.06 Standard 1.06
Volts/Hz Time Limiter 10.0 Standard 10.0
4.3 Gain
4.3.1 AVR Gains (Primary)
Setting Comments
Kp— Proportional Gain 80.0 default 80.
Ki — Integral Gain 20.0 default 20.
Kd — Integral Gain default 40. (Rotating Exciters)
Td — Integral Gain default 0.01
Kg—AVR Loop Gain 15.0 default 15.
4.3.2 AVR Gains (Secondary)
Make these the same as the primary. Secondary is not used in controller, but just in case
making them the same as the primary ensures the same control between them.
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Setting Comments
Kp— Proportional Gain 80.0 Existing, default 80.
Ki — Integral Gain 20.0 Existing, default 20.
— Integral Gain 90.0 Existing, default 4U. (Kotating txciter)
Td — Integral Gain 0.01 Existing, default 0.01
Kg—AVR Loop Gain 15.0 Existing, default 15.
4.3.3 FCR Gains
Setting Comments
Kp— Proportional Gain default 0.
Ki — Integral Gain default 0.
Kd — Integral Gain default 0. (Rotating Exciter)
i------I r--,;- 14- n
Kg—AVR Loop Gain 1000 default 1000.
4.3.4 FVR Gains
Not Used.
4.3.5 Other Gains
Setting Comments
VAR Not used
Ki — Integral Gair 1.0
Kg— 1 0.0
PF Not Used
Ki — Integrz 1.0
Kg— Loop Gain 0.0
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OEL
Ki — Integral Gain 1.0 Standard 1.0-15.0
Kg— Loop Gain 20.0 Standard 2.0-35.0
UEL
Ki — Integral Gain 1.0 Standard 1.0
Kg— Loop Gain 20.0 Standard 2.0-20.0
SCL Not Used
Ki — Integral Gain 1.0
— Lr- - 0.0
Voltage Matching
Kg— Loop Gain 2.0 Standard 1.0-3.0
When inner loop selected in the
Inner Loop Field Regulator Settings/Auxiliary Input/Summing
Type, then this gain is enabled.
Ki— Inner Loop 0.0 Standard. 0.0
Kg— Inner Loop 1.0 Standard. 1.0
VARL Not used?
Ki — Integral Gain 1.0
Kg— Loop Gain 0.0
4.4 Limiting
4.4.1 Configuration
Setting Comments
Limiter Modes
OEL Enable Standard.
UEL Disable UEL will be enabled in commissioning later.
SCL Disable
VARL Disable
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OEL Mode Summing Point Standard
OEL Voltage Dependency Disabled
dv/dt Level Disabled This is enabled by enabling the voltage
dependency.
UEL Mode Summing Point Standard
UEL Voltage Dependency
Real Power Exponent 0.0 Typically, 0.0, but also 1.0 can be used.
Real Power Filter Time
5.0 Typically, 5.0
Constant
4.4.2 Summing Point OEL (Primary)
Setting Comments
Offline See IEEE C50.13 standard/PRC-019
Review Saturation curve
Initial Set at 105%rated gen volt.
High Level 311 270A x 1.15=311A
Estimated 318A Field=1.05pu Gen Volt
High Time 2 Standard.
Initial Set at 10% above rated gen volt.
Low Level 297 270A x 1.10=308A
May need to be adjusted later.
On-Line
See IEEE C50.13 standard/PRC-019
Update final values with PRC-019 Coord.
High Level 630 Initial set at 140%above rated field Amp
High Time 3 Initial set at 3.Os
Medium Level 563 Initial set at 125%above rated field Amp
Medium Time 10 Initial set at 10.Os
Low Level 518 Initial Set at 115% above rated field Amp
4.4.3 Summing Point OEL (Secondary)
Not Used, set same as Primary.
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4.4.4 UEL (Primary)
This controller function needs to be coordinated with PRC-019.
Setting Comments
Primary UEL
Curve Selection Internal
Point Selection 5
Points 1: Real Power/ Reactive Power 0/ 39.69k Per PRC-019
Points 2: Real Power/ Reactive Power 36k/32k Per PRC-019
Points 3: Real Power/ Reactive Power 40k/ 28.5k Per PRC-019
Points 4: Real Power/ Reactive Power 44k/ 22k Per PRC-019
Points 5: Real Power/ Reactive Power 15.2k/0 Per PRC-019
4.4.5 UEL (Secondary)
Not used, same as Primary.
4.4.6 Takeover OEL
Not Used.
4.4.7 SCL (Primary& Secondary)
Not Used.
4.4.8 VARL (Primary& Secondary)
Not Used.
4.4.9 Scaling (Primary& Secondary)
Not Used.
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4.5 Protection
4.5.1 General Protection (Primary)
In general, the excitation controller unit protection functions are not used. The unit protection
is served by a separate relay protection system. Typically alarms and tripping from this
controller would be internal only to the excitation system.
Setting Comments
Generator Overvoltage Disable Standard
Field Overvoltage Disable Standard
Loss of Field Iso. Transducer Enable Standard
Delay 1.0 Standard
Generator Undervoltage Disable Standard
Field Overcurrent Disable Standard.
Power Supply Low Enable Standard(Mixed depending on site upon
review)
Loss of Field Disable Standard
Field Over Temperature Enable Standard
Pickup Level 130 Typical130
Delay 60 Typical60
4.5.2 General Protection (Secondary)
Same as Primary.
4.5.3 24 Voltz/Hz
Disabled.
4.5.4 Loss of Sensing
Setting Comments
Option Enable Standard
Balanced Level 50.0 default
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Unbalanced Level 20.0 default
Delay 2.0 default
Transfer to Manual Enable Standard
4.5.5 EDM
Not Used.
4.5.6 Relay Setup
Setting Comments
Relay#1
Contact Status Normally Open default
Contact Type Maintained default
Momentary Time 0.10 default
Relay#2
Contact Status Normally Open default
Contact Type Maintained default
Momentary Time 0.10 default
Relay#3
Contact Status Normally Open default
Contact Type Maintained default
Momentary Time 0.10 default
Relay#4
Contact Status Normally Open default
Contact Type Maintained default
Momentary Time 0.10 default
Relay#5
Contact Status Normally Open default
Contact Type Maintained default
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Momentary Time 0.10 default
Relay#6
Contact Status Normally Open default
Contact Type Maintained default
Momentary Time 0.10 default
4.6 Data Log
4.6.1 Log Setup (Initial)
Setting Comments
Data Logging Enabled Enable This sets up for the first energization data
capture for 30.Os.
Pre-Trigger Points 25
Sample Interval 49.992
4.6.2 Mode Trigger
Setting Comments
Start/Stop Mode Start
Limiter Mode UEL & OEL
Test Mode Enabled
All other triggers not identified are not used.
4.6.3 Log Selection
Setting Comments
Parameter 1 Generator Average Voltage
Parameter 2 Field Voltage
Parameter 3 Field Current
Parameter 4 Generator Real Power Could use different signal.
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Parameter 5 Field Temperture
Parameter 6 Control Output
4.6.4 Mode Triggers
Setting Comments
Start/Stop Mode Start Capture Start-ups
Soft Start Mode NO TRIGGER
Underfrequency Mode NO TRIGGER
Control Mode NO TRIGGER
Operating Mode NO TRIGGER
Limiter Mode NO TRIGGER
Voltage Matching Mode NO TRIGGER
Sec. DECS Mode NO TRIGGER
PSS Controller Mode NO TRIGGER
Manual Mode NO TRIGGER
Droop Mode NO TRIGGER
Line Drop Mode NO TRIGGER
Cross Current Comp. Mode NO TRIGGER
Test Mode Enable Needed for testing
4.6.5 Level Triggers
No triggers are enabled.
4.6.6 Logic Triggers
Setting Comments
Alarm States None enabled
Relay Outputs Enabled Watchdog
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Enable Relay Output 2
Contact Inputs FCR (Manual)
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5 Commissioning
5.1 Operations Loading Summary
Review the PSS Commissioning Guide, and MOD-026/VAR-501 Data Collection Guides.
Table 1. Loading Summary for AVR Commissioning
Section Test Loading Flow Unit Control Schedule
5.2.1 Initial Field Energization Offline, Rated Speed Manual
5.2.2 FCR Voltage Response Offline, Rated Speed Manual
Day 1
5.2.3,4 AVR Voltage Response Offline, Rated Speed Manual
5.2.5 Offline OEL Response Offline, Rated Speed Manual
Offline, Rated Speed
5.2.6,7 Soft Start/Voltage Matching Online SNL Manual
Offline, Rated Speed
5.3.2 Synchronizing Manual
Online SNL
5.3.3 AVR Voltage Response 10MW,2%Variable Vars Manual Day 2
FCR Voltage Response 10MW,2%Variable Vars _ Manual
OEL,UEL Limits(AVR/FCR Gains) 10MW,Variable Vars _ Manual
5.3.4 AVR Voltage Response 40MW,2%Variable Vars _ Manual
FCR Voltage Response 40MW,2%Variable Vars _ Manual
PSS Tuning 15MW,Unity _ Manual
PSS Voltage Response 15MW,2%Vars _ Manual
OEL,UEL Limits(PSS Gains) 15MW,2%Vars _ Manual
5.3.8 PSS Voltage Response and Stability 35MW,2,5%Variable Vars Manual
1MW/Unity,±9.8MVar Day 3
9.8MW/Unity,±9.8MVar
19.6MW/Unity,±9.8MVar
5.4 V-Curve Validation — Manual
29AMW/Unity,±9.8MVar
39.2MW/Unity,±2.5MVar
44.1MW/Unity,±2.5MVar
*No saturation test is to be performed. Manufactures saturation information will be utilized for modeling and
verification.
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5.2 Final Data Acquisition Summary
Table 2. Summary of Data Acquisition
Step Time Step Pre-Trigger Sample
Section Test/Re Method' Magnitude' Delay' Duration' Points3 Interva13
5.2.1 Initial Field Energization Start Mode 25 49.992s
Trigger
5.2.2 Offline FCR Voltage Response Manual Step _ 60 16.664ms
Response
5.2.3,4 Offline AVR Voltage Response Time Response 2.0% 0.5s 9.Os 25 16.664ms
5.2.5 Offline OEL Response Time Response 2.0% 0.5s 30.Os 0 49.996ms
5.2.6,7 Auto Soft Start/Voltage Start Mode _ 25 49.992s
Matching Trigger
5.3.2 Auto Synchronizing Logic Trigger - - - 300 49.992s
Input Switch 32
5.3.3 Online AVR Voltage Response Time Response 2.0% 0.5s 9.Os 0 24.996ms
(Light Load)
Online AVR Voltage Response
(Heavy Load) Time Response 2.0% 0.5s 9.Os 0 24.996ms
Online FCR Voltage Response Manual Step
5.3.4 20 24.996ms
(Light Load) Response -
Online FCR Voltage Response Manual Step
20 24.996ms
(Heavy Load) Response -
5.3.5,6 OEL Limits-Control Response Time Response 2-5.0% 0.5s 30.Os 0 49.996ms
XX UEL Limits-Control Response Time Response 2-5.0% 0.5s 30.Os 0 49.996ms
5.3.7 5C)Voltage Response(Stability Time Response 5.0% 0.5s 9.Os 0 24.996ms
5.3.8 5V)Voltage Response(Stability Time Response 5.0% 0.5s 9.Os 0 24.996ms
5.4 V-Curve Validation Manual/Operator - -
Note
1. Selected within the DECS-400 Analysis Time Response Menu.
2. Input switch 3 is the generator breaker closure input.
3. Selected within the DECS-400 Log Setup Menu.
4. Response method or DECS logic operator in Analysis menu
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