ML18114A217

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Response to Request for Comments on Commissions Engineering Dept. Report of 2/1/1978 Regarding Fp&Ls System Disturbance Occurred on 5/16/1977
ML18114A217
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 03/29/1978
From: Bivans E
Florida Power & Light Co
To: Swafford D
State of FL, Public Service Commission
References
Download: ML18114A217 (4)


Text

REGULATORY INFORMATION DISTR IBUTIQN SYSTEM (RIDS >

DI.TRIBUTIGN FOR INCOMING NATERIAL 50-250/251

.:35 REC:

SWAFFORD D L FL PUB SVC CONN GRG:

BIVANS E L FL PNR

~ LIGHT DGCDATE: 03/29/7 DATF DOCTYPE:

LETTER NOTARIZED:

NG COPIES RECEIVED SUB JECT:

LTR 1

EhlCL 0 FtJRNSIHING CONhlENTS ON THE COt"lhlISSIGN "S ENGINEERING DEPT REPT OF 02/01/78 RE APPLICANT"S 05/16/77 SYSTEN DISTURBANCE CONCERNIhlG STARTING GF GAS T1JRBihlES UPON GCClJRANCE GF A SINGLE CONTINGENCY.

REVIEWER INITIAL:

X JN DISTRIBUTER INITIAL:~

GEhlERAL DISTRIBUTION FOR AFTER ISSUANCE GF OPERATING LICENSE.

(DISTRIBUTION CODE A001 )

PLANT NAI"1E: TURKEY PT 83 TURKEY PT O3 ST LUCIE Oi DI STR I BUT ION OF THIS l'1ATERIAL IS AS FOLLOWS FOR ACTION:

INTERNAL:

EXTERNAL:

BR CHIEF SCHNENCER<~+LTR ONLY(7)

RE EBB 3NLY(1>

h E((((LTR ONLY(2)

HANAUER'~~LTR ONLY(1 E ISEhlHUT+<LTR OhlLY< 1 )

. BAER~~~LTR ONLY(i)

EEB~~LTR ONLY(i)

J.

l1CGQUGH~~LTR ONLY(i)

LPDR'S hlIAt'lI FL<+LTR ONLY( 1 )

TIC++LTR ONLY(1>

NSIC+~LTR GhlLY

GELD4+LTR OhlLY( 1)

CHECK~~LTR ONLY(1)

SHAO~+LTR ONLY< 1)

BUTLER++LTR ONLY(i)

J COLLINS4+LTR OhlLY < 1 )

g,. a@i& ~~~~gc.~'S DISTRIBUTION:

LTR~

ENCL 0 SITE:

2P

+-'0 "if~$-'8-'8A$ O%%"'0"'f-'f '8+-M '&%%4+NW%PN-'8+-'0A$+WN THE END CONTROL NBR:

7'03<

i> 0

FLORIDA PQW" R 5 LIGHT CQMPAi'IY March 29, 1978

+0 DH5

~o - 25>/25 /

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

Dear Mr. Swafford:

C I I C7 With regard to your request for comments cQ the g Commission's Engineering Depa tment report of February 1,

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

C

'~i)

) )<')

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

Ne 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 supplemental reserve obligation to FCG, (2) to control the amount of power 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 supplemental reserve requirement, the power transfer limit, and the status of each gas turbine are continuously monitored by the Syst: em Operator.

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

This procedure will be automated to a certain extent with the installation of our 78i0=0020 0 I n

i/0 e,

le.

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'ou or the staff require additional clarification, please contact me.

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

E. A. Adomat F. E. Autrey J. J.

Hudiburg

'R. E. Talion N. E.

Coe R. T. Culberson Tracy Danese Nilliam L.. Necks, Esq.

Joseph D., Jenkins The Honorable Commissioners:.

Paula Hawkins, Chairman Nilliam T.

Mayo Robert T. Mann U.S. Environmental Protection Agency U.S. Nuclear Regulatory Commission U.S. Department 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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