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Rev. 03 STP 3 & 4 Tier 1 2.12 Station Electrical Systems The information in this section of the reference ABWR DCD, including all subsections, figures and tables, is incorporated by reference with the following departures. STD DEP T1 2.12-1 (Tables 2.12.1, 2.12.12, 2.12.14 and 2.12.15) STD DEP T1 2.12-2 (Figure 2.12.15) 2.12.1 Electrical Power Distribution System Design Description STD DEP T1 2.12-1 EPD System interrupting devices (circuit breakers and fuses) are coordinated to the maximum extent possible, so that the circuit interrupter closest to the fault opens before other devices. 2.12.12 Direct Current Power Supply Design Description STD DEP T1 2.12-1 Class 1E DC electrical distribution system circuit interrupting devices (circuit breakers and fuses) are coordinated to the maximum extent possible, so that the circuit interrupter closest to the fault opens before other devices. 2.12.14 Vital AC Power Supply Design Description STD DEP T1 2.12-1 Class 1E Vital AC Power Supply system interrupting devices (circuit breakers and fuses) are coordinated to the maximum extent possible, so that the circuit interrupter closest to the fault opens before other devices. Station Electrical Systems 2.12-1 Rev. 03 STP 3 & 4 2.12.15 Tier 1 Instrument and Control Power Supply Design Description STD DEP T1 2.12-2 The Class 1E Instrument and Control Power Supply consists of three four divisions (Division I, II, and III, and IV) of interruptible power supplies with their respective distribution panels. Each Class 1E power supply provides interruptible, regulated AC power to Class 1E circuits which do not require continuity of power during a loss of preferred power (LOPP). STD DEP T1 2.12-1 Class 1E Instrument and Control Power Supply system interrupting devices (circuit breakers and fuses) are coordinated to the maximum extent possible, so that the circuit interrupter closest to the fault opens before other devices. 2.12-2 Station Electrical Systems c. System preoperational and Startup tests will be conducted of the asbuilt Class 1E EPD System. a. Analyses for the as-built EPD System exist and conclude that the analyzed operating voltage supplied at the terminals of the Class 1E utilization equipment is within the utilization equipment's voltage tolerance limits, as determined by their nameplate ratings. b. Connected Class 1E loads operate at their analyzed minimum voltage, as determined by the voltage drop analyses. b. Manufacturer's type test reports exist and conclude that the operating range is within the tested voltage range for the Class 1E electrical equipment. c. The test voltages from preoperational test reports are compared against system voltage analysis of the as-built Class 1E EPD system. The results of comparison conclude that the available voltage is within the operating range for the as-installed equipment. Rev. 03 b. Tests of the as-built Class 1E EPD System will be conducted by operating connected Class 1E loads at their analyzed minimum voltage. b. Type tests at manufacturer's shop will be performed for the operating voltage range of the Class 1E electrical equipment. Acceptance Criteria Analyses for the as-built EPD System exist and conclude that, to the maximum extent possible, the analyzed circuit interrupter closest to the fault will open before other devices. STP 3 & 4 Station Electrical Systems Table 2.12.1 Electric Power Distribution System Inspections, Tests, Analyses and Acceptance Criteria Design Commitment Inspections, Tests, Analyses 11. 11. Analyses for the as-built EPD System to 11. EPD System interrupting devices (circuit determine circuit interrupting device breakers and fuses) are coordinated to the coordination will be performed. maximum extent possible, so that the circuit interrupter closest to the fault opens before other devices. 22. 22. 22. The EPD System supplies an operating voltage at the terminals of the Class 1E a. Analyses for the as-built EPD System utilization equipment that is within the to determine voltage drops will be utilization equipment's voltage tolerance performed. limits. Tier 1 2.12-3 Inspections, Tests, Analyses and Acceptance Criteria Design Commitment Inspections, Tests, Analyses 8. 8. Analyses for the as-built Class 1E DC 8. Class 1E DC electrical distribution electrical distribution system to system circuit interrupting devices (circuit determine circuit interrupting device breakers and fuses) are coordinated to coordination will be performed. the maximum extent possible, so that the circuit interrupter closest to the fault opens before other devices. Acceptance Criteria Analyses for the as-built Class 1E DC electrical distribution system circuit interrupting devices exist and conclude that, to the maximum extent possible, the analyzed circuit interrupter closest to the fault will open before other devices. STP 3 & 4 2.12-4 Table 2.12.12 Direct Current Power Supply Rev. 03 Tier 1 Station Electrical Systems Rev. 03 Inspections, Tests, Analyses and Acceptance Criteria Design Commitment Inspections, Tests, Analyses Acceptance Criteria 11. 11. 11. The Class 1E DC electrical distribution system supplies an operating voltage at a. Analyses for the as-built Class 1E a. Analyses for the as-built Class 1E the terminals of the Class 1E utilization DC electrical distribution system DC electrical distribution system to equipment that is within the utilization exist and conclude that the analyzed determine system voltage drops will equipment's voltage tolerance limits. operating voltage supplied at the be performed. terminals of the Class 1E utilization equipment is within the utilization equipment's voltage tolerance limits, as determined by their nameplate ratings. b. Tests of the as-built Class 1E DC b. Connected as-built Class 1E loads system will be conducted by operate at less than or equal to the operating connected Class 1E loads minimum allowable battery voltage at less than or equal to the minimum and at greater than or equal to the allowable battery voltage and at maximum battery charging voltage. greater than or equal to the maximum battery charging voltage. b. Manufacturer's type test reports b. Type tests at manufacturer's shop exist and conclude that the will be performed for the operating range is within the operating voltage range of the tested voltage range for the Class Class 1E DC electrical equipment. 1E DC electrical equipment. c. System preoperational tests will c. The test voltages from be conducted on the as-built preoperational test reports are Class 1E DC system. compared against system voltage analysis of the as-built Class 1E EPD system. The results of comparison conclude that the available voltage is within the operating range for the asinstalled DC equipment. STP 3 & 4 Station Electrical Systems Table 2.12.12 Direct Current Power Supply (Continued) Tier 1 2.12-5 Acceptance Criteria Analyses for the as-built Class 1E Vital AC Power Supply system circuit interrupting devices (circuit breakers and fuses) coordination exist and conclude that, to the maximum extent possible, the analyzed circuit interrupter closest to the fault will open before other devices. STP 3 & 4 2.12-6 Table 2.12.14 Vital AC Power Supply Inspections, Tests, Analyses and Acceptance Criteria Design Commitment Inspections, Tests, Analyses 10. 10. Analyses for the as-built Class 1E 10. Class 1E Vital AC Power Supply system distribution system to determine circuit interrupting devices (circuit breakers and interrupting device coordination will be fuses) are coordinated to the maximum performed. extent possible, so that the circuit interrupter closest to the fault opens before other devices. Rev. 03 Tier 1 Station Electrical Systems Inspections, Tests, Analyses and Acceptance Criteria Design Commitment Inspections, Tests, Analyses 9. 9. Analyses for the as-built Class 1E 9. Class 1E Instrument and Control Power distribution system to determine circuit Supply system interrupting devices (circuit interrupting device coordination will be breakers and fuses) are coordinated to the performed. maximum extent possible, so that the circuit interrupter closest the fault opens before other devices. Acceptance Criteria Analyses for the as-built Class 1E Instrument and Control Power Supply system circuit interrupting devices (circuit breakers and fuses) coordination exist and conclude that, to the maximum extent possible, the analyzed circuit interrupter closest to the fault will open before other devices. STP 3 & 4 Station Electrical Systems Table 2.12.15 2.12-15Instrument and Control Power Supply Rev. 03 Tier 1 2.12-7 Rev. 03 STP 3 & 4 Tier 1 Figure 2.12.15 Instrument and Control Power Supply 2.12-8 Station Electrical Systems