ML18227D407

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Furnishing Comments on Commissions Engineering Department Report Re Applicants 5/16/1977 System Disturbance Concerning Starting of Gas Turbines Upon Occurrence of Single Contingency
ML18227D407
Person / Time
Site: Turkey Point  
Issue date: 03/29/1978
From: Bivans E
Florida Power & Light Co
To: Swafford D
Office of Nuclear Reactor Regulation, State of FL, Public Service Commission, Engineering Dept
References
Download: ML18227D407 (4)


Text

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RID=)

DISTRIBUTION FOR INCOMING MATERIAL 50-250 51/ F35 ORG:

BIVANS E L DOCDATE:

0 "/O'9/78 FL PWR

~~

LIGHT DATE RCVD: 04/12/78 REC:

SWAFFORD D L FL PUB SVC COMM DUCTYPE:

LETTER NOTARIZED:

NO COPIES RECEIVED

SUBJECT:

LTR 1

ENCL 0 URNSIHING COMMENTS ON THE COMMISSION"S ENGINEERING DEPT REPT OF 02/01/JS RE APPLICANT '

05/ 1 6/77 SYSTEM DISTURBAhlCE CONCERNING START ING QF GAS TURBIh!ES

~UPON OCCIJRANCE OF A

- INGLE CONTINGENCY.

PLANT hNME: TURKEY PT

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DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS GENERAL DISTRIBUTION FOR AFTER ISSUANCE OF OPERATING LICENSE.

(DISTRIBUTION CODE A001)

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P. 0 OX OI3100, PhIAMI, FLOIIIOA 33IOI F> QRIDA POWcR 5 LIGHT COMPANY March 29, 1978

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Mr. David L. Swaf ford Executive Director Engineering Department Florida Public Service Commission 700 South Adams Street Tallahassee FL 32304

Dear Mr. Swafford:

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With regard to your request for comments M the o3 Commission's Engineering Department report of February 1,

1978, regarding our Clay 16, 1977 System Disturbance, I submit the following:

The Commission's Engineering Department should be complimented on their treatment of this difficult ancL sometimes misunderstood subject, of power system reliability.

We have initiated work to implement, the actions recommended in their report.

In the Staff's report, they asked if we would clarify our policy regarding the starting of gas turbines upon occurrence of a single contingency.

At the present time we utilize gas turbines for a number of system conditions:

.(1) to.maintain our suoplemental reserve obligation to FCG, (2) to control tne amount of powei being transferred into our South and East areas, (3) for interchange transactions, (4) for testing, and (5) to serve load when no other genera-tion is available.

Our supolemental reserve requirement, the oower transfer limit, and the status of each gas turbine are continuously monitored by the System Operator.

If a generator or major transmission line in the South or East areas is tripped and either requirement is violated, the System Ooerator will immediately start gas turbines.

This procedure will be automated to a certain extent with the installation of our 7SaO=-Oooo

Mr. David L. Swafford Page 2

March 29, 1978 new System Control Center later this year.

This system will routinely. evaluate system conditions and direct the dispatcher's, attention to problem areas.

Should you or the staff require additional clarification, please contact me.

Very truly yours, E. L. Bivans Vice President JSB/JRS/ds xc:

Messrs:

E.

A'. Adomat F. E. Autrey J.

J., Hudiburg

'R. E. Talion W. E.

Coe R. T. Culberson Tracy Danese William L. Weeks, Escr.

Joseph D. Jenkins The Honorable Commissioners

=

Paula Hawkins,. Chairman William T.

Mayo Robert T.

Mann U.S. Environmental Protection Agency U. S. Nuclear Regulatory Commission U.S.

Deoartment of Energy Florida Department of Environmental Regulation Florida Division of State Planning Florida Regional Planning Council Palm Beach County Health Department, Broward County Environmental Control Board Dade County Pollution Control State Energy Office SERC

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