C05_Exhibit_2_-_Unit_A7_Westinghouse_Test_and_Inspection_Data.pdf
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- Attached to
- REPAIR EXCITERS AT HOOVER POWER PLANT
- Solicitation number
- 140R3024Q0014
About this file
This document contains test and inspection data for the rewind of an exciter armature on a DC generator at the Hoover Dam power plant. It provides nameplate and test results for the exciter armature in Unit A7, including insulation resistance, surge, and high potential dielectric tests after rewind. The related federal contract opportunity is for repair of exciters at the Hoover power plant, solicited by the Bureau of Reclamation within the Department of the Interior. The solicitation seeks repair services for exciters at the facility to maintain generator output. The document provides technical specifications for one exciter armature repaired under this requirement.
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DC MACHINE TEST & INSPECTION DATA
11711-1 A7 FINAL REPORT.doc
JOB # 11711-1
RECEIPT – GENERAL
CUSTOMER: BUREAU OF RECLAMATION-LC HOOV CONTACT: ANDREW TRADER PHONE: 702-494-2295
HOOVER DAM CENTRAL WAREHOUSE CUSTOMER’S SPECIAL INSTRUCTIONS:
FINAL ARMATURE REWIND REPORT
UNIT A7 BOULDER CITY, NV 89005
RECEIPT – NAMEPLATE DATA
OEM: WESTINGHOUSE OUTPUT: 425 HP kW kVA DUTY: NA
MODEL: NA S/N: UNIT A7 FRAME: NA RPM: 180
ARM VOLTS: 250 ARM AMPS: 1700 AMBIENT: °C INSUL CLASS: F TYPE: NA
FIELD TYPE: SHUNT COMPOUND SERIES FIELD VOLTS: FIELD RES: Ω AT 25 °C
MAX SAFE RPM: 180 MAX FIELD AMPS: NA FIELD AMPS @ 25 °C: ARMATURE WT. 12,000 LBS.
EXHIBIT 2
11711-1 A7 FINAL REPORT.doc
FINAL TEST AFTER REWIND
Nameplate Information Motor ID 11711-1 Location Default Building Default Model NA Manufacturer NA Serial Number NA HP/KW 470 Volts-Rating NA Volts-Operating 0 Amps-Rating NA Amps-Operating 0 Insulation NA Enclosure NA RPM 0 Service Factor 0 Frame NA Freq-Hz 0 LR Code NA LR Amps 0 NEMA Design NA Max Amb °C 0 NEMA nom eff 0 Duty Cycle Manuf's Type NA Manuf Dt Cd Description Place holder MotorID. After adding valid motors, delete this one Results Summary Test Date/Time 5/21/2019 7:20:19 AM Test ID: Default Repair/Job # 11711-1 Tested By JW Tested For BUREAU OF
RECLAMATION
Room # TESTING MCC Location Default Building Default Temp Status Tested PI Status No Test Performed Temp 24.0°C 75.2°F Volts (V) 0 Resist Status No Test Performed DA Ratio 0.0 Bal L1 (Ohms) 0.0 PI Ratio 0.0 Bal L2 (Ohms) 0.0 HiPot PASS Bal L3 (Ohms) 0.0 Volts (V) 1990 Max Delta R % 0.000 I(µA) 0.90 Coil 1 (Ohms) 0.0 Resist (Mohm) 2211 At 40°C 729 Coil 2 (Ohms) 0.0 Surge Status No Test Performed Coil 3 (Ohms) 0.0 Peak Volt(V) L1 0 Megohm Status PASS Peak Volt(V) L2 0 Volts (V) 520 Peak Volt(V) L3 0 I(µA) 0.23 Max P-P EAR(%) 0.0/0.0/0.0 Resist (Mohm) 2292 At 40°C 756 EAR 1-2/2-3/3-1(%) No Test
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