1 - Pacific Gas and Electric Company
Appendix N4
Start-Up and Performance Testing Protocols
Performance Testing
The performance tests shall be conducted to verify Project compliance with the performance guarantees specified in Article 2.7 (a), and to demonstrate the ability of the Project and Units to achieve the Generation Operating Characteristics specified in Appendix N3.
Table F-1 lists the required performance tests for each type of generating unit design. For facilities consisting of more than one independent Unit, Table F-1 designates whether a test is to be conducted on each Unit or on the overall Project. For facilities that consist of one Unit, all applicable Unit tests shall be conducted for the Project.
Table F-1 – Performance Guarantee and Demonstration Tests
|Test |Project Design-Basis* |Project Test |Unit Tests |
|Performance Guarantee Tests | | | |
|Project Base Electrical Output and Heat Rate |1,2,3,4,5 |X | |
|Base Reliability |1,2,3,4,5 |X | |
|Project Peak Electrical Output |1,2,3,4,5 |X | |
|Extended Guaranteed Electric Output and Heat Rate |1,2,3,4,5 |X | |
|Demonstration Tests | | | |
|Unit Base Electric Output and Heat Rate |1,2,3,4,5 | |X |
|Unit Peak Electric Output and Heat Rate |1,2,3,4,5 | |X |
|Air Emissions |1,2,3,4,5 | |X |
|Sound Level Emissions |1,2,3,4,5 |X | |
|Cooling Tower Drift Rate |5 | |X |
|Evaporative Cooler Effectiveness (if applicable) |3,4,5 | |X |
|Raw Water |3,4,5 |X | |
|Demineralized Water |3,4,5 |X | |
|Waste Water Discharge or Zero Discharge (as applicable) |3,4,5 |X | |
|Deaerator |4,5, |X | |
|Standby Electric Generator |1,2,3,4,5 |X | |
|Minimum Load |1,2,3,4,5 | |X |
|Regulation with Automatic Generator Control |1,2,3,4,5 | |X |
|Ancillary Services (as applicable) |1,2,3,4,5 | |X |
|Unit Start-Up Times |1,2,3,4,5 | |X |
|Fuel Switching |1,2,3,4,5 | |X |
* Project Design Basis
1 – Reciprocating engine-generator
2 – Combustion turbine without water or steam injection or evaporative cooler
3 – Combustion turbine with water or steam injection or evaporative cooler
4 – CC with water or steam injection
5 – CC with cooling tower
1 Test Procedure
Seller shall prepare a plant specific test procedure for each test. The test procedures will provide details for the conduct of the test. If appropriate, one test procedure may cover more than one test. The test procedures must be mutually agreeable to both Purchaser and Seller.
The following are included in the test procedures:
a. Objective of test
b. Test acceptance criteria for test completion
c. Base reference conditions
d. Seller test personnel and their responsibilities
e. Purchaser operations support and their responsibilities
f. Defined test boundaries identifying inputs and outputs and measurements locations
g. Requirements regarding operating conditions, performance guarantees, and environmental compliance
h. Complete pretest uncertainty analysis, with bias uncertainties established for each measurement
i. Specific type, location, and calibration requirements for all instrumentation and measurement systems and frequency of data acquisition
j. Measurement requirements for applicable emissions, including measurement location, instrumentation, and frequency and method of recording
k. Sample, collection, handling, and analysis method and frequency for fuel.
l. Method of unit and facility operation
m. Identification of testing laboratories to be used for fuel and other analyses
n. Required operating disposition ,accounting for all internal thermal energy and auxiliary power consumers having a material effect on test results
o. Required levels of equipment cleanliness and inspection procedures
p. Valve line-up requirements
q. Preliminary testing requirements
r. Pretest stabilization criteria
s. Required steadiness criteria and methods of maintaining operating conditions within these limits
t. Allowable variations from base reference conditions and methods of setting and maintaining operating conditions within these limits
u. Number of test runs and duration of each run
v. Test start and stop requirements
w. Data acceptance and rejection criteria
x. Allowable range of fuel conditions, including constituents and heating value
y. Correction curves with curve-fitting algorithms or performance correction software with verification and validation procedures
z. Sample calculations or detailed procedures specifying test run data reduction and calculation and correction of test results to base reference condition
aa. The method for combining test runs to calculate the final test results
ab. Requirements for data storage, document retention, and test report distribution
ac. Reporting requirements
2 Test Report
The test report will include:
a. Method of the test and operating conditions
b. Changes and other deviations to test procedures
c. Tabulation of instrumentation used for the primary and secondary measurements, including make, model number, serial number, operating range
d. Diagram and description of the instrumentation locations
e. Identification of the instrument and measurement used as back-up or information purposes
f. Methods and frequency of data collection for each data point
g. Description of data acquisition system(s)
h. Pretest and post-test calibration procedures and results
i. Tabular summary of measurements and observations including the reduced data necessary to calculate the results and a summary of additional operating conditions not part of such reduced data
j. The corrected auxiliary power calculations
k. Presentation of the test results, including the test results computed on the on the basis of the test operating conditions with instrument calibrations applied and with the test results corrected to specified conditions
l. Example calculations of test results from the reduced data including the post-test uncertainty. This will include detailed calculations of primary flow rates and heat input based on fuel constituents and properties.
m. Calculations or other reasons supporting elimination of outlier data
n. Comparison of the repeatability of test runs
o. The correction factors applied because of deviations, if any, of test conditions from those specified
p. Primary measurement uncertainties, including method of application
q. Discussion and details of the test results uncertainties.
r. Discussion of the test, its results and conclusions
s. Appendices to the test report should include
- the approved test procedure with signed approval by all parties to the test for any modifications or deviations
- copies of original data sheets and/or data acquisition system(s) print-outs
- copies of operator logs or other recording of operating activity during each test
- copies of signed valve line-up sheets, and other documents indicating operation in the required configuration and disposition
- results of laboratory fuel analysis
- instrumentation calibration results from laboratories, certifications from manufacturers
3 Performance Guarantee Tests
1 Project Base Electric Output and Net Heat Rate
The Guaranteed Base Net Electrical Output and the Guaranteed Net Heat Rate tests shall be run concurrently.. The tests shall be conducted under the following operating conditions (the “Base Load Conditions”), as applicable:
• Combustion turbines operating on their base load temperature control curve with evaporative coolers out of service
• Reciprocating engines operating at base load as defined by the engine manufacturer for the expected interval between maintenance periods for normal duty operation.
• Heat recovery steam generators (HRSG’s) operating with zero duct firing and normal blowdown.
• All other equipment and systems operating as normally required for base load operation on a continuous operating basis.
• Steady-state operating conditions.
• Plant auxiliary equipment operated as normally required for base load operation on a continuous operating basis.
• All Project auxiliary power consumption, including miscellaneous house loads supplied from the electric generators. No auxiliary load may be served from other on-site generators or interconnection with the local distribution system.
Emissions shall not exceed the Guaranteed Emissions Limits at any time during the test.
Equipment disposition for normal operation at ISO Conditions and Site Standard Barometric Pressure (as defined in Appendix N3) shall be specified in the performance test procedures. All equipment shall be operated in accordance with the performance test procedures during the test. Intermittent auxiliary power loads shall be measured under normal operating conditions and the daily average electrical energy consumption calculated based on the actual daily use at Base Load Conditions. Intermittent loads should not be operated during the test, if possible. If operation is required, the electric energy consumption shall be measured during each test period.
The performance test will be performed without evaporative coolers in service. A separate effectiveness test will be performed to demonstrate the evaporative cooler performance. The test without the evaporative coolers in service will be the basis for determining guaranteed plant performance requirements.
During the performance test, the stack exhaust emissions shall be monitored for compliance using the Project continuous emissions monitoring system or via manual sampling. The continuous emission monitoring system shall be certified using the manual sampling data either before or during the performance test.
The tests will be conducted in accordance with the performance test procedures and in general accordance with ASME PTC 46. Any exceptions to the requirements of PTC 46 shall be identified in the performance test procedures. The performance test procedures shall be developed by Seller and approved by Purchaser.
The test shall be designed to achieve test uncertainties that are no greater than 0.75% for net electric output and 1.25% for net heat rate (collectively, “the Maximum Uncertainties”). The performance test procedures shall include a pre-test uncertainty analysis that demonstrates the test procedures and test instrumentation will achieve test uncertainties below the Maximum Uncertainties.
The test shall consist of at least three consecutive one-hour test periods during which all conditions are maintained within the conditions specified in performance test procedures and with post-test uncertainties less than the respective Maximum Uncertainties for both net electric output and net heat rate. Test results will be averaged and corrected to specified conditions for each one-hour test period.
The higher heating value of the fuel will be the basis for the heat input used in the calculation of heat rate. The higher heating value will be determined by samples, taken near the beginning and end of each test period. The fuel heating value for each test period will be the average of the two samples. The fuel samples will be analyzed by an independent laboratory for composition and heating value. A minimum of three samples will be taken for each test period. Disposition of samples will be; 1) to test laboratory, 2) to Seller, and 3) to Purchaser until Performance Test results are approved by all parties.
The ambient air conditions shall be measured to determine the average conditions at the inlet to each combustion turbine and the inlet to each cooling tower or air cooled condenser.
The measured net electrical output shall be the average of the electrical energy as measured at the CAISO revenue meter for each test period.
The measured net electrical output shall be adjusted for the following differences between the actual measured auxiliary electric energy consumption and the average design-basis auxiliary energy consumption at base load operation and at ISO Conditions and Site Standard Barometric Pressure (adjusted net electrical output):
• Any equipment operation different from the expected operating disposition at ISO Conditions and Site Standard Barometric Pressure, as defined in the performance test procedures.
• Differences between the intermittent loads average daily electric energy consumption and the actual intermittent load electric energy consumption as measured during the test.
• The electric energy consumption of the fuel gas compressors corrected for difference between the test and design-basis fuel temperature and pressure, as listed in Appendix N3.
The total fuel heat input to the Facility for each test period shall be the product of the average fuel higher heating value for the test period and the total measured fuel flow during the test period. Natural gas fuel flow will be measured using the Project revenue meter, unless otherwise agreed to in the test procedures. Fuel-oil flow will be measured using a calibrated flow element meeting the instrument and measurement accuracy requirements of PTC 46. The measured net heat rate will be calculated as the quotient of the total heat input to the Project divided by the adjusted net electrical output for each test period.
The test corrected net electric output and test corrected heat rate for each test period will be calculated by correcting the adjusted net electric output and measured net heat rate for the following:
• Differences between the test measured inlet air conditions and the ISO Conditions at Site Standard Barometric Pressure. These corrections will be based on the inlet air conditions at the inlets to the combustion turbines or reciprocating engines and to the cooling tower or air cooled condenser.
• Difference between the test measured power factor at the CAISO revenue meter and the design-basis power factor of 1.0.
No additional adjustments shall be made to the test results for performance degradation, test tolerance, or any other adjustment or correction.
The test corrected base electric output of the Project for evaluation of the performance guarantees will be the arithmetic average of the test corrected net electrical outputs for the three test periods. The test corrected base net heat rate of the Project for evaluation of the performance guarantees will be the arithmetic average of the test corrected net heat rates for the three test periods.
2 Base Reliability Test
The reliability test will be conducted for 168 consecutive hours (7 Days) with all Units operating at base load conditions with no duct firing or power augmentation. The Plant net electric output will be the electric energy as measured using the CAISO revenue meter. For each of the 168 consecutive one-hour test periods, the average net electric output will be corrected to the ISO Conditions at Site Standard Barometric Pressure and to a power factor of 1.0. The Availability, expressed as an percentage, will be calculated by the quantity 100 divided by 168 and multiplied by the quantity of the sum of the corrected average net electric outputs for the 168 hours divided by the Demonstrated Net Electric Output.
The test corrected net electric output will be set equal to the Demonstrated Net Electric Output for any hours during which:
• The test corrected net electric output is greater than the Demonstrated Net Electric Output,
• Purchaser or CAISO dispatch order requires the Project to reduce net electric output and the Project successfully maintains such load
• Other Force Majeure events that cause a reduction in the net electric output and the Project successfully maintains such load.
If Purchaser or CAISO directs the Project or one of the Units to be shutdown, the test will be stopped and restarted after the Project or Unit returns to service at base load. The test will continue as if the interruption had not occurred (i.e. the 168 hours will be the sum of results of all completed hours before the shutdown plus the required additional hours after the restart).
Emissions shall not exceed the Guaranteed Emissions Limits at any time during the test.
3 Project Peak Electric Output
The Project Peak Electric Output test will be conducted using the same test procedures as for the Project Base Electric Output and Heat Rate Test, with the following modifications to the operating conditions (the “Peak Load Conditions”), as applicable:
• The combustion turbines operating on their base load temperature control curve with evaporative coolers out of service and with full power augmentation, or
• Reciprocating engines operating at peak load as defined by the engine manufacturer for continuous operation with full power augmentation
• HRSG’s operating with full duct firing and normal blowdown.
• All other equipment and systems operating as normally required for peak electrical output on a continuous operating basis.
• Plant auxiliary equipment operated as normally required for peak electrical output on a continuous operating basis.
The test corrected net electric output and test corrected heat rate for each test period will be calculated by correcting the adjusted net electric output and measured net heat rate for the following:
• Differences between the test measured inlet air conditions and the Peak July Conditions (as specified in Exhibit E) at Site Standard Barometric Pressure. These corrections will be based on the inlet air conditions at the inlets to the combustion turbines or reciprocating engines and to the cooling tower or air cooled condenser.
• Difference between the test measured power factor at the CAISO revenue meter and the design-basis power factor of 1.0.
4 Extended Guaranteed Electric Output and Heat Rate
The Extended Guarantee Electric Output and Extended Guarantee Heat Rate test will be conducted using the same test procedures and the same general requirements specified herein for the Project Base Electric Output and Heat Rate Test. In addition to the corrections for auxiliary power and ambient conditions, the net electric output and heat rate will be corrected for equipment degradation by the following methodology:
• The adjusted net electric output and measured net heat rate will be corrected for the difference between the expected degradation for the cumulative equivalent operating hours at the time of the Extended Guarantee tests and the expected degradation for the cumulative equivalent operating hours at the time of the final Base Electrical Output and Net Heat Rate test used in the Article 3.5 determination of the purchase price reductions for performance shortfalls. Expected degradation for net electric output and heat rate shall be calculated using the Appendix N3, Attachment O3-j Degradation Curves, as developed by Seller and approved by Purchaser. These degradation curves shall be based on heat balances developed by Seller using the turbine or reciprocating engine manufacturer’s degradation information and the design-basis performance of the Plant.
4 Demonstration Tests
Demonstration tests will be performed to demonstrate achievement of the generating operating characteristics of each Unit and of the Project as specified in Appendix N3. The Demonstration Tests shall be completed subsequent to achieving Mechanical Completion and prior to conduct of any of the Performance Guarantee Tests.
1 Unit Base Electric Output and Heat Rate
Each Unit will be tested using the same test procedure as for the Project Base Electric Output and Base Heat Rate test, with the following modifications:
• The measured electrical output shall be the average of the electrical energy as measured at the terminals of the Unit generator(s).
• The total fuel heat input to the Unit for each test period shall be the product of the average fuel higher heating value for the test period and the total measured fuel flow to during the test period consumed by the Unit combustion turbines or reciprocating engines.
• No auxiliary power corrections shall apply to the measured electrical output.
The test shall demonstrate that each Unit produces not less than ninety-five percent (95%) of the Unit Base Electric Output stated in Appendix N3 and not greater than one hundred five (105%) of the Unit Base Heat Rate stated in Appendix N3.
2 Unit Peak Electric Output
Each Unit will be tested using the same test procedure as for the Project Peak Electric Output test, with the following modifications:
• The measured electrical output shall be the average of the electrical energy as measured at the terminals of the Unit generator(s).
• The total fuel heat input to the Unit for each test period shall be the product of the average fuel higher heating value for the test period and the total measured fuel flow to during the test period consumed by the Unit combustion turbines or reciprocating engines and the fuel consumed by the Unit HRSG(s) duct firing.
• No auxiliary power corrections shall apply to the measured electrical output.
The test shall demonstrate that each Unit produces not less than ninety-five percent (95%) of the Unit Peak Electric Output stated in Appendix N3. The test shall also report the coincident unit peak heat rate.
3 Air Emissions Test
Seller guarantees that air emissions will comply with permit limits as demonstrated by agency approved testing in accordance with permits and licenses.
4 Sound Level Testing
Seller guarantees that site boundary noise levels, as demonstrated by noise measurement, will be in compliance with applicable Permits, Governmental Approvals, and Governmental Rules.
Testing shall be conducted to demonstrate compliance with far field noise guarantees. The testing shall be conducted by personnel qualified through experience or training to conduct industrial facility and community noise surveys. Unless otherwise specified by permits or licenses, all acoustical compliance testing shall be in accordance with a project specific sound level test procedure, which will conform with ASME PTC 36-2004. The sound test procedure will define the environmental correction factors to be applied to the measured data.
5 Cooling Tower Drift Rate
Seller guarantees that the drift rate from each cooling tower, as demonstrated by drift rate testing, will be in compliance with applicable Governmental Approvals. If not otherwise specified in permits and licenses, the tests shall be conducted in accordance with CTI ATC-140.
6 Evaporative Cooler Effectiveness
Seller shall demonstrate by test that the evaporative cooler effectiveness for each combustion turbine evaporative cooler meets the effectiveness values listed in Appendix N3.
7 Raw Water
Seller shall demonstrate that the Project raw water quality does not exceed the maximum range listed in Appendix N3 and that the Project raw water consumption does not exceed the flow listed in Appendix N3 when operating at peak net electrical output under Peak July conditions.
8 Demineralized Water
Seller shall demonstrate that the Project demineralized water quality does not exceed the maximum values listed in Appendix N3 and that the demineralized water consumption does not exceed the flow listed in Appendix N3 when operating at peak net electrical output under Peak July conditions.
9 Wastewater or Zero Discharge
Seller shall demonstrate that the Project wastewater water quality does not exceed the maximum values listed in Exhibit E.
If the Project is permitted for wastewater discharge, Seller shall demonstrate that the Project wastewater discharge does not exceed the flow listed in Appendix N3 when adjusted to operating at peak electrical output under Peak July conditions with normal blowdown.
If the Project is permitted for wastewater discharge, Seller shall demonstrate that the Project has zero wastewater discharge when operating at peak electrical output under Peak July conditions with normal blowdown.
10 Deaerator
Seller shall demonstrate that the deaerator will deaerate the condensate to any oxygen content not exceeding 0.005 cc/L as determined by the titration method specified in ASME PTC 12.3 and with a free CO2 content of zero. The test shall be conducted with the Project operating at peak net electrical output under Peak July conditions. The test shall be conducted during steady state operation after a minimum of one-hour of operation at peak electrical output and with normal blowdown.
11 Standby Electric Generator
Seller shall demonstrate that the standby electric generator will start-up and achieve the full load electrical output in the time specified in Appendix N3.
12 Minimum Load
Each Unit will be tested to demonstrate the ability of the Unit to maintain stead-state operation at the minimum load specified in Appendix N3 while maintaining all emissions within the Guaranteed Emission Limits.
13 Regulation with Automatic Generation Control
Each Unit will be tested to demonstrate the ability of the Unit to be operated in automatic generator control between minimum load and peak electrical output. The test shall also demonstrate the ramp rates from minimum load to peak electrical output in accordance with the capabilities of the Project while maintaining all emissions within the Guaranteed Emission Limits.
14 Ancillary Service
Seller will demonstrate that each Unit achieves the ancillary service specifications in Appendix N3 in accordance with CAISO Ancillary Services Certification Testing.
15 Start -Up Times
Each Unit shall be tested to demonstrate start-up times listed in Appendix N3 for cold, warm, and hot startups. Each Unit shall also be tested to demonstrate the shutdown-to-hot start-up from a controlled shutdown starting at base load followed by restart to minimum load. The test will be initiated by the Purchaser with a dispatch order to start-up an out-of-service Unit. The startup and shut-down to start-up times will be measured as the duration, in minutes, from Seller’s receipt of the start-up order until the Unit is operating in steady state at the minimum load listed in Appendix N3.
5 Fuel Switching
For each Unit with dual fuel, the test will demonstrate the ability of the Unit to switch from natural gas fuel to oil and back to natural gas while maintaining synchronized operation with load reduction no greater than as specified in Appendix N3.
Functional Tests
Unit tests will be performed to demonstrate the functional operating capabilities of each Unit. These tests may be performed before or after Mechanical Completion and prior to performing any of the Performance Tests. Seller shall provide test procedures for review and approval by Purchaser prior to conducting the test. Seller shall document each test with a test report for review and approval by Purchaser. The Functional Tests shall include the following tests:
|Test |Applicable Project or |Project Test |Unit Tests |
| |Unit Type | | |
|Power Factor Test |1,2,3,4,5 | |X |
|Boiler Feed Pump Trip/ Standby Pump Start Test |4,5 | |X |
|Starting Reliability Test |1,2,3,4,5 | |X |
|Load Rejection Test |1,2,3,4,5 | |X |
|Remote Start and Stop |1,2,3 | |X |
|Steam Turbine Bypass Operation |4,5 | | |
|Maintenance Isolation Test |4,5 | |X |
* Project Design Basis
1 – Reciprocating engine-generator
2 – Combustion turbine without water or steam injection or evaporative cooler
3 – Combustion turbine with water or steam injection or evaporative cooler
4 – CC with water or steam injection
5 – CC with cooling tower
1 Power Factor Test
The facility shall be tested to demonstrate that the generators can achieve the lagging and leading power factors listed in Appendix N3.
2 Boiler Feed Pump Trip/ Standby Pump Start Test
Each Unit will be tested to demonstrate that standby boiler feed pumps will successfully start and prevent a Unit trip when the operating boiler feed pump is shutdown while operating at peak electrical output.
3 Starting Reliability Test
The Units shall be tested to demonstrate that the generator breakers will successfully close after startup sequence is initiated.
4 Load Rejection Test
Each Unit shall be tested to demonstrate the shutdown of the Unit after a trip with loss of all power to the Project when operating at or above minimum load. The test shall demonstrate that the shutdown systems operate correctly and that all DC systems start-up and operate correctly with sufficient emergency power.
5 Remote Start and Stop
Each Unit shall be tested to demonstrate capability of the Unit to be operated remotely with no operating staff on-site. The test shall include remote cold start-up, operation from minimum to peak load under automatic generator control, and controlled shutdown.
6 Steam Bypass System Test
Each Unit shall be tested to demonstrate the ability of the steam bypass systems to bypass steam to the condenser and atmosphere through atmospheric vent valves in the event of a steam turbine trip from base load with maximum duct firing and power augmentation, as applicable, without lifting safety valves and runback or trip of the combustion turbines. In addition, the test shall demonstrate the bypass system ability to operate continuously with steam bypass to the condenser with the combustion turbines at base load with no duct firing or power augmentation.
7 Maintenance Isolation Test
For Units with multiple combustion turbines, the Maintenance Isolation Test will be conducted to verify that the Unit can continue to be operated while one combustion turbine and HRSG are removed from service for maintenance. With all combustion turbine/HRSG trains and the steam turbine operating between 75% and 100% base load, one combustion turbine/HRSG train will be brought off line while the other combustion turbine(s)/HRSG trains and the steam turbine continue to operate. The Seller shall demonstrate that out of service combustion turbine/HRSG can be safely isolated with double-isolation valves and tell-tales to allow for safe access into the combustion turbine and HRSG and to allow maintenance on all pressure parts of the HRSG. This test will be repeated for the other combustion turbine/HRSG train.
Start-Up and Commissioning
Seller shall develop a start-up and commissioning plan and schedule that will be reviewed and approved by Purchaser prior to initiating final check-out and start-up of Project equipment and systems. This plan will describe the start-up process and sequencing and will include procedures, reviews and approval requirements for all checks and tests to be performed in the process of starting-up and commissioning all Project equipment and systems including:
• Construction turn-over packages with documentation verifying that the systems are ready for start-up, including
- Piping systems pressure tested and cleaned
- All required steam systems hydrostatically tested and air blows or steam blows completed, as applicable, to specified cleanliness criteria
- Field meggering testing completed
- Rotating equipment coupled and aligned
• Start-up and operational tests of the common systems, including:
- Water supply system,
- Fire protection system,
- Compressed air system
- Fuel supply and conditioning systems,
- Cooling systems
• Pre-synchronization tests, including:
- AVR settings (set and adjusted in stand still conditions and with the generator running at no load)
- Turbine governor control checks
- Open and short circuit tests on the generators
- Functional testing and timing of HV switchgear
- Interfacing tests with CAISO (tests per the Interconnection Agreement)
• Balance of plant system start-up, including
- Functional testing and calibrations
- MV & LV Switchgear energization and operational
- Control system data acquisition system functional check-out
- Required remote equipment is operational from the control room
- Initial synchronization of the combustion turbines and steam turbine has been completed
• The combustion turbines have been commissioned to base load and the following activities have occurred:
- Mechanical overspeed test completed
- Synchronization in automatic mode completed
- Unit balancing has been completed
- Unit is deemed capable of operating continuously at base load
- Electronic overspeed test completed
• The steam turbine has been commissioned to base load and the following activities have been proven:
- Mechanical overspeed test completed
- Synchronization in automatic mode completed
- Unit balancing has been completed
- Operation on vacuum pumps to maintain vacuum
- Unit is capable of operating continuously at base load
- Electronic over-speed test completed
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