ML20235R912
| ML20235R912 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 09/14/1987 |
| From: | NRC |
| To: | |
| Shared Package | |
| ML20235P658 | List: |
| References | |
| NUDOCS 8710080229 | |
| Download: ML20235R912 (2) | |
Text
Reissued 9/14/87 2,
ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 1 4.
Verifying the fuel transfer pump can be started and transfers fuel from the storage system to the day tank, 5.
Verifying the diesels start and obtain rated speed (the diesels may be idle started and wanned up prior to increasing speed to 900 rpm),
6.
Verifying the generator is synchronized, loaded to > 1690 kw, and operates for 1 60 minutes with both diesel engiiies operating, and 7.
Verifying the diesel generator set is aligned to provide i
standby power to the associated. emergency busses.
b.
At least once per 6 months by:
1.
Ver,1fying the diesels start from ambient conditions, 2.
Verifying the generator is synchronized, loaded to > 1690 kw, and operates for 1 60 minutes with both diesel engiiies 2
operating, and 3.
Verifying the diesel generator set is aligned to provide i
standby power to the associated emergency busses.
l
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c.
At least once per 18 months during shutdown by:
l
]
1.
Subjecting the diesels to an inspection in accordance with l
procedures prepared in conjunction with its manufacturer's j
reconnendations for this class of standby service,
)
2.
Verifying the generator capability to reject a load of 1 828 kw without tripping, 3.
Simulating a loss of offsite power with and without the presence of a safety injection signal, and:
a) Verifying de-energization of the emergency busses and load shedding from the emergency busses.
l b) Verifying the diesels start from ambient condition on the auto-start signal, energize the emergency busses i
with pennanently connected loads, energize the auto-I connected emergency loads through the applicable load l
sequencer and operate for 15 minutes while the generator i
is loaded with ti.e emergency loads.
I TROJAN - UNIT 1 3/4 8-3 Amendment No. 37.55,87.107 8710080229 070914 PDR ADOCK 05000344 P
ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) c) Verifying that all diesel generator trips, except i
engine overspeed, f ail-to-start, generator phase l
overcurrent, generator neutral overcurrent or generator loss of field, are automatically bypassed upon loss of voltage on the emergency bus and/or safety injection actuation signal.
d.
At least once per 18 months by:
)
1.
Verifying the diesel generator set operates > 60 minutes while loaded to > 3380 kw.
2.
Verifying that the auto-connected loads to each diesel generator unit do not exceed the,2000 hour0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br /> rating of 4752 kw.
3.
Verifying that each fuel transfer pump transfers fuel from its associated fuel storage tank to the day tank of *each diesel via the installed cross connection lines.
4 TROJAN - UNIT 1 3/4 8-4 Amendment No. 57, 58, 83, N7,121 October 29, 1986 Correction, 9/14/87
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PLANT SYSTEMS BASES This Page Left Intentionally Blank f-4 k
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1 TROJAN-UNIT 1 B 3/4 7-2a Amendment No. EJ,130 i
April 22, 1987 Correction,9/14/87
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