ML18088A862

Forwards Report on System Disturbance, May 14, 1978 Prepared by Florida Power & Light Co

ML18088A862
Person / Time
Site:	Saint Lucie  (NPF-016)
Issue date:	05/25/1978
From:	Reis H Florida Power & Light Co, Lowenstein, Newman, Reis & Axelrad
To:	Paton W NRC/OGC
References
Download: ML18088A862 (53)

Text

RO8CRT IOwCHSTCIH ABACA *, HL'WHAtl HAROLO O'. RCIS MAVRICC AXCLRAO XATHLCCH H, SHCA J A, SOU xHISHTy'R, MICI ACL A, SAVSCR AI,OCRT V, CARR, JR.

ROSCRT H. CVLR

'A'ILLIAMJ. CRAMXLIN TRCOCRIC 5. ORAT LIHOA 'OOOC JOHA'TH*M R. SHCIHCR JOCL 4, WIOHTIAO ~ CAVO LAW OVTICK5 LOW'Ei%5TEIN, NLAV'>iX5iN, REIS 8C AXZLRAD I025 CCINNKCTICVT AVKNVK,N.W.

LVASHINGTON, O. C. 20036 202 862-8400 8

May 25, 1978 William D. Paton, Esq.

Counsel for NRC Regulatory Staff U. S. Nuclear Regulatory Commission Washington, DC 20555 Be".

ln the Hatter of Florida Power and Light Company (St. Lucie 0

Plant, Unit 2)

Docke o.

50-389

Dear Hr. Paton:

For your further information, I am transmitting herewith a "Report on System Disturbance, Nay 14, 1978," prepared by Florida Power

& Light Company and dated Nay 25, 1978.

Harold F. Reis HFR/jm Enclosure cc (w/enc.):

See attached service list

a,~(

k~

REPORT ON SYSTEM DISTURBANCE MAY 14, 1978 FLORIDA POHER 6 LlGHT COMPANY MAY 25, 1978

TABLE OF CONTENTS INTRODUCTION PRE-DISTURBANCE CONDITIONS PAGE DISTURBANCE RESTORATION CORRECTIVE ACTIONS SEQUENCE OF EVENTS 3-6 LIST OF FIGURES FIGURE AREA AFFECTED BY DISTURBANCE DETAILED DIAGRAM OF AFFECTED AREA PICTURES OF ORIGINAL FAULT AREA ADDENDUM PAGE LIGHTNING ARRESTER FAILURE POLAR I Z I NG THEORY CRITERIA FOR SETTING TERTIARY RELAYS WEST PALM BEACH COMPUTER PRINT-OUT 4-12 OS C I LLOGRAMS FAULT RECORDER RECORDS NO.

1-19

INTRODUCTION Florida Power 6 Light Co.

(FPL) experienced an electrical power system disturbance on Sunday, May 14, 1978, which resulted in the loss of po~er to an area of the FPL system.

(see Fig.

1)

This blacked out area included the loss of off-site power to St. Lucie Plant for approximately 8 minutes.

Fault recorder records, the West Palm Beach computer printout, and logs were used to reconstruct the sequence of events.

PRE-DISTURBANCE CONDITIONS Only conditions in affected area are listed:

1 St. Lucie Plant unit No.

1 off for refueling.

2 Pratt 6 Whitney 240kV ring bus open (240G36835 open) prior to switching.

This switch had been previously reported to be a cing.

The Dispatcher believed the switch to still be inoperative.

3 Two 240/138kV autotransformers (49-1035

& 49-1168) at Midway Substation were recently installed to replace smaller capacity units.

DISTURBANCE On Sunday, May 14, 1978, at approximately 7:45AM while switching out the Pratt a Whitney-Ranch 240kV circuit for a routine clearance, a condition was created on the Pratt 6 Whitney south 240kV bus that caused lightning arresters on this bus to fail destructively.

(see Addendum p.l)

Hot ionized gas from the lightning arresters caused a "C" phase to ground fault on the Midway-Ranch 240kV circuit which passes directly over the Pratt 6

Whitney bus.

(see Fig.

3)

At Midway Substation improper connection of the relay current polarizing*

circuit resulted in incorrect operation of the Directional Carrier Ground Relays (CLPG) on the Malabar-Midway 240kV No. 1, Malabar-Midway 240kV No.

2 and the Midway-Plumosus 138kV circuits.

Erroneous current polarizing like-wise resulted in failure to trip by the ground relays of the Midway terminal of the faulted Midway-Ranch 240kV circuit.

Failure of this terminal to trip resulted in a back-up operation of the autotransformer tertiary relay at Midway Substation.

The Hartman-Midway and Okeechobee-Midway lines then tripped interrupting service to St. Lucie and the stations shown in Figure 1.

Diesel generators at St. Lucie started and the station se vice automatically transferred.

St. Lucie remained on diesels until after system conditions stabilized.

Page 1

• See addendum P.

2.

For given phase to ground fault, the north autotransformer tertiary relay is more sensitive than the south autotransformer tertiary relay.

(see addendum P 3.)

This accounts for the operation of only the north autotransformer tertiary relay.

The two main contributing factors to the power loss were:

1 Improper switching at Pratt 6 Whitney Substation.

2 - Improper connection of both 240/138kV autotransformer polarizing CT circuits at Midway Substation.

RESTORATION Several attempts were made to energize the north bus at Midway Substation via the Malabar 240kV No.

2 circuit. 'owever, the lockout relay previously trip-ped by the tertiary relay had not been eset.

The south bus at Midway Sub-station was energized via the Ranch 240kV circuit.

As switching continued to normalize the system, a breaker at Pratt

& Whitney was closed and the original lightning arrester problem was recreated.

This resulted in the deenergizing of Midway Substation.

Final reenergization of Midway Substation and St. Lucie Plant was accomplished by the closing of the Ranch 240kV circuit at 7:53:30.

This resulted in the loss of off-site power to St. Lucie Plant for approximately eight minutes and sixteen and one-half seconds.

Switching was then carried out until the entire affected area was returned to normal with the exception of Midway Substation's north autotransformer.

CORRECTIVE ACTIONS 1 The improper polarizing at Midway Substation has been corrected.

2 The north and south buses at Pratt

& Whitney Substation have been tied together to avoid the bus high voltage problem encountered during switching.

3 Drawings j.n use at the time were reviewed and an error was detected.

As a result of this, System Protection Memorandum No. 3.10.1-A titled "The Connection of CT's In An Autotransformer When Used As a Source For Ground Polarizing Circuit" was issued May 22, 1978.

This memorandum outlines the procedures for checking transformer nameplate data against FPL drawings as well as the electrical tests which are to be made.

This memorandum will be incorporated into the Power Supply Procedures Manual and will prevent a

reoccurence of this event.

4 System Operators and Disoatchers have been advised of the hazards of an ungrounded delta.

Page 2

PROBABLE SE UENCE OF EVENTS TIME EVENT REMARKS Pre-di s turbance 07:19:02 07:12:12 07:39:12 07:43:26 07:43:42 07:43:54 07'45'07 Bkr. 240W2544 5 Ranch opened Bkr. 240W2516 g Ranch opened Bkr. 13W15930 Pratt F Whitney closed Bkr. 240W36815 P Pratt 6 Whitney opened Bkr. 240W36819 g Pratt 6 Whitney opened So.

240kV bus potential g Pratt 8 Whitney alarm Bkr. 240W2565 g Ranch tripped, reclosed and tripped Bkr. 240W2555 g Ranch tripped Bkr. 240W24616 Midway tripped, reclosed and tri pped Bkr. 240W24638 g Midway tripped Bkr. 240W24685 Midway tripped, reclosed and tripped See write-up.Page 1

Swi tching for clearance on Pratt 6 Whitney-Ranch 240kV circui t Potential sensor is on "B" phase, indicating a shift in the neutral reference point which caused over-voltage and failure of "A" 6 "C" phase lightning arresters

'"C" Phase-Gnd.

fault on Pratt 6

Whitney -Ranch 240kV circuit caused by ionized gas from above lightning arrester failure (see oscillogram No. 1)

Tripped due to incorrect polarizing connection 0o Midway (see oscillo-gram No. 19)

Page 3

EVENT RBIARKS 07:45:07 (CONT'D)

Bkr. 240W24651 Q Midway tripped

.Time not recorded Bkr. 240W21046 assumed Malabar tripped 07:45:07 Bkr. 240W21065 P Halabar tripped, reclosed and tripped Bkr. 240W21047 Malabar tripped Bkr. 240W21085 5 Halabar tripped, reclosed and tripped Tripped due to incorrect polarizing connection C> Midway (see oscillo-gram No. 19) 07'45'07 07: 45: 07+

07:45:07++

Bkr. 138W24785

@ Midway

tripped, reclosed and

tripped, Bkr. 138W24747 5 Hidway tripped Bkr. 138W29586 Cd Plumosus tripped Bkr. 138W29585 g Plumosus

tripped, reclosed and tripped Lockout "A/C/E" g Midway tripped 8k'40W24652 C4 Midway tripped Bkr. 240W24615 g Midway tripped Bkr. 66W39725 5 Hartman Road tripped Bkr. 66W39710 5 Hartman Road tripped Tripped by No. autotransformer tertiary overcurrent relay Tripped by lockout'A/0/E" Tripped on instability (see oscillogram No.

7)

Page 4

TINE EVENT REHARKS 07:45:07++(CONT'D)

Bkr. 66W6516 g Okeechobee tripped Tripped on instability (see osci 1 logram No.

7) 07:45:13.5 Station service C>

St. Lucie alarm Loss of off-site power Time not recorded assumed 07:46:00 07 46 46 07:46:47 07:47:36 07:47:38 07:48:19 07:49:15 07:49:17 07:52:22 07:52:29 One or more of the four

. previously tripped Halabar bkr's closed Bkr. 240W24616 g Midway closed Bkr. 240W24616 g Midway tripped Bkr. 240W24616 5 Hidway closed Bkr. 240W24616 g Midway tripped 7

Bkr. 240W2565 Q Ranch closed Bkr. 240W24616 g Midway closed Bkr. 240W24616 g Midway tripped Bkr. 240W36819 g Pratt 8 Whitney closed Bkr. 240W36819 g Pratt F Whitney opened Lockout "A/C/E" not reset This energized most ot the affected lines (see oscillo-gram No. 2)

Lockout "A/C/E" not reset 07:52:37 07:52:40 07:52:53 So.

240kV bus potentia Pratt 6 Whitney alarm Bkr. 240W2565 g Ranch tripped and reclosed Bkr. 240W2565 8 Ranch tripped Page 5

I @

"B" Phase alarm indicates a shift in the neutral reference point as before "C" Phase-Gnd.

fault on Pratt 6

Whitney-Ranch 240kV circuit caused by gas from faul ted I i ghtning arrester.

(see osci I logram No.

3)

"C" Phase-Gnd.

faul t on Pratt 8

Whitney-Ranch 240kV circuit (see oscillogram No. 4)

'TIME EVENT REHARKS 07:53:30 Bkr. 240W2565 g Ranch closed (see oscillogram No.

5)

Station service St. Lucie normal Total time of'f 8 minutes 16~ seconds Normal restoration from this time on Page 6

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FIGURE 3

ADDENDUM TO DISTURBANCE REPORT

LIGHTHI NG ARRESTER FAI LURE The switching at Pratt 6 Whitney Substation left the 240kV bus energized with no ground source.

The neutral was free to wander according to unbalanced stray impedances to ground.

The arresters are rated at.192kV 8-G and are expected to conduct at 1.25 times the rated voltage, or 240kV.

A fully displaced neutral would subject two of a set of three arresters to 240 x ~2 (peak to RHS) or 339kV.

The resulting unbalanced voltages caused continuous conduction in four arresters, 2 on the bus and 2 on the transformer, resulting in thermal failure.

Fire was reported by the operator at Pratt 6 Whitney to continue for an extended period; enough time for him to report to the Dispatcher and then cross the switchyard and operate a switch.

/

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Page 1

POLARIZING THEORY Directional ground relays, such as the type CLPG and JBCG, require that a reference quantity be established in order for the relay to determine the direction of the current flow at the relay location.

This reference quantity is referred to as the polarizing quantity and for directional ground relaying it may be either zero sequence current or voltage.

It is against this reference th'at an operating quantity is compared.

The operating quantity will in all cases be proportional to and derived from the iine current at the relay location.

Since line currents will reverse as a function of the fault location, it is imperative that the polarizing quantity remain fixed in direction if the relay is to operate correctly.

In transmission stations where there is a wye-grounded autotransformer with delta tertiary, the tertiary is almost invariably used as a source of polar-izing quantity (viz., current).

Since the relay receives its polarizing current via a current transformer(s) in the tertiary, it is also imperative that careful attention be given to appropriate current transformer polarity and relay stud connections, else the relay may look in the opposite direction of that intended and operate (unsupervised, in the case of a type CLPG relay) for any phase-to-ground fault within its sensitivity range.

Ground Distance relays, such as the type CEYG, are potential polarized and would remain unaffected by errors in the station current polarizing circuit.

Page 2

CRITERIA FOR SETTING TERTIARY RELAYS TAP: Based on 50% of the Tertiary current for the minimum End Fault on a circuit connected to either the high-voltage or low-voltage side of the autotransformer to be protected.

DIAL: Based on 42 cycle delay for the high-voltage or low-voltage Bus Fault which yields the maximum Tertiary current.

FIND: The Tertiary currents of the Midway substation autotransformers 49-1035 (North) and 49-1168(South) to be used in setting their Tertiary Relays per the

'bove bases.

CIRCUIT: NIOWAY SUBSTATION (2BORV and 138kV Buses)

MDWY MDWY 4o5 4o4 SLP 429 0.0473 MT 1405

-o.oo88 SLP 429 SLP 429 Ho CO CI To LO PLH 209 MAL 409 HAL 409 RNCH 2o6

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(429-4o5,2End)

(429-405,3End)

(409-405, 1End)

(409-405,2End)

(206-405,0End)

(217-405, OEnd)

(209-404,0End)

(406-404,oEnd)

(405 BUS)

(4o4 Bus)

(403-1404, OE nd) 0.3~79 0.

34+-77'.34<-79 0.07@-82'.07C)-82'.06@-79 0.16m-85 0.35@-78'.54@-81'.84@-89'.04m-84.

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51~90'.4&~88'.50@-90'a1za88'.1Z+88'.12@-89'.

2K<'85',

0.57@-81'.45-84'.23@81'.51{."-87 1.8'-88 Page Q SHORT-CIRCUIT STUDY Per Unit Values FAULT (HG)

I (405-1405)

I (404-1405) 49-1035 I (Tert.)

I o.16 0.15 o.16 0.20

.0. 20 0.06MIN o.45 0'2 0,94 2.07 2.47HAX 0.71 l.

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26@-87'.26m-87 0.24m-85'.5%-90'.

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The times listed in the alarm/operations log cannot be construed to be the exact time of occurrence of an event or alarm.

Sequencing and scan in the

computer, plus the varying times of reporting by the different types remote supervisory equipments, preclude time and sequence determination for events occurring at the same time or close thereto.

Page 4

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=

SELECT h~ Lh-Mhhhii

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h O'.I 240)'~24638

![LBR 2/ST LUCIE 2

SELECT

'!c463~hi ~/

~

L'lSEO lIALABAR 2 LINE POT NO!? IDEAL Phon': 9d.

C

H)P:0d: 22 n4

'IIQi!AY h>V) h A

$0( v US P()T 0" I VOLTS LI'- H075.C

'I~

h ~

" r

~E

+0~ 04

+()8:04-22 "ID> N(

.I I')V! h Y 08:04 23

)I ID'i'iAY

~()w:n~:9d

. / '3;:ihY

"'OR i '-'

33~ V, 'IUS

!!()P

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1, '.".','V Ri

'-lOLTS LI.'! H!45.1 r V-:: L[ 43.J 240 l24615

,',.IALABAR 2 ~

, 'LOSED Qdn h'7z.4 6

"h IRh>

Qi ih 08-04: 24 7'h.)R '04

~7 v(OH:05-37

~g'l ~p ~

C'

--OP '27 rOH:05;37 II Dt'I AY

. T,"hY I ID2'i)ttY Z:!" "

II Ds') AY

'.i ID/ih Y

~IORT~ 240l<V BUS POTEIITIhL I )C

-'CC4chC~~

Ih'IC'hh:

C'0'o:</

."".S ~Or

'l!)Pi.'3), '/

3!JS

"()4T'! 13~c'<'/

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haiti

'lOLTS s

'IOP'": '~.L

'/OLi~ L I h,'!OR'7'I V') Ti '"."')0'

'ELECT CJ;)SED OP'= ~ii m!3)E)!AL AL>R':!

240)'!24585,

.!ALABhtR I

2+') 'iic468'c

'1))LABA~

~I"'.i~ ~+0~6US BOZE4XIhL IO'".T'-- ?4)0'<V

!<US Il)TI"='-.'r[AL

'.~4 S I:.u RmLr 240':[24551

.'ILRR I /RAti[CH

~c: TL:'h

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240([24585 HALABAR I

24n.;a~~'.I~

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08-05-57 08-05:59 A'[IDVIAY

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i'I wh'.) 9: ()6 2 00 L O8:06:np

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08-06:14 "U.~

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J(>RT'-! 24OKV BUS POTEHTIAL

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F !hi hl 08-06:32 v'J8:P6

~ 3Q IIID'r'IAY

..t!D '!

PRATT K PR TT 8,

08-07-26 SELECT

'I )i~tiJh MORI'igL AH ITilEY STATI0 I SERVI CE 08:07-33

'<<)~:()7- "i PRATr P. i"Ll~

IIIITIIFY 240,136311 Ii)DII;ITO,III 08

07:37 8 EL ECT CL!)SHl PRA1T 8

~~~m~..."!HI:r,;<6Y.? 4Q.'.9/3'0 1~l3.LALMTQ:I!!I~

> -'T>

".i!['I"!i=Y '"-': >'".<V Ri!~ i"')'P.=.NT[ ~L OP~&7: "I

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h)D~ i~

';54 I'IHIT".IEY 240"l36811 I!A[l)I ANTOi'IH

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t)Q:P)7:57 8:no:?4

~i'2h I I ".IH [T'IE'!

8Th

~ ')'! ~.=')VIC":

AL KIT

~CZ

'9-12-15 ALA~ './'.)PERATIOVS LO:)

05/I4/78 08-09-28 08:09-30 08 30

<< 's:

I ':,'? I

0) P5 08-25 -58 i)8-26-0!

08-26:05 08.-38:ll 08=38:11 OS:38-'27 PJ?h IT 8

>Isa'; f i3!?hTf ',

PPATf

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/l"IIT IFY 240'i36~~

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sl+ IT'!FY I'JOLT I 240'<V BUS P-)TFi<T I 8 L Ii:I IT"IEY STa.'f I().'I SERV I CE

~':I f!<"

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i"!'s '" Y 13 ~l ~O" I')'"3'.!i I '.i (I'i)A')

66/i39725 I'IEST/'.! Ii)@AY ROA'3 65 139725 i!EST/".II D'I AY:

P() ED 66':!39719.

lh IOY'I>Y/CF~P ROAD 66'!'I3971 0

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p SFL CT, CL()SEQ SELECT CLOSED CL:)S).D Nl)Zl!AL 08-41 -00. RAI'JCLI 08-41: 04 RAI'!CIR

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.cI)R: 50: 05

~ 08-55:53

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'A 240s'>2555 BROilhR') 2/.'.I ID'I'!AY 240s)> 555 RRO'14 RD I'.I

, 240ii2516

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O RELAY"A" 2" 0'<V BUSSES

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TAn CI...ARED N()R? fAL 0 PE!)J I '-a 08-58:08

<<0~ -58: 16 08-58-'45

'~ )8:58:

08-59:35 I

09:00:22 PRArr ~

PRn PRAlr 8,

PRATT PRATT 8

PRATT 8

'JH IT~IEY 240'6315 I'!*"~

iiHIT~IEY 240"'36815

JH IT.'Il-.Y 240.i 36 ~ I 5 I NDT('i.'J/I? AVCH Zt IVDT'I'll"/P.AVCH I s!I)fII -/R aI:.!C+

JH ITs"IEY 240s'!3681 5 I'IDTI'I-"'/RALEIGH

.2)HITVEY 240li365)

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!) CI OS=

CLOSED S

ECT 09:GO-'2o

<<:.)o:0)0-'4 I RATT PI? ATf 09: 00: 26 PRATI'9:('0:26&PATT 8,

8

.JH ITNFY 240 136911 Ii'JOI A'JTO/V I'JH IT"~u.Y

!JOR~740i<V g US~PO I:~I/fL "JH IT!'JEY STaI TIOlv SI:-RV IC"

'I'"IT'!;.Y Ca! I~R'. I [OH CL!)SED HOR!!AI VORJ')AL PRESS LI'.< I'OP"h!

'~0o -OP.: 34 09:00-58 09-01-35 09-01-38 09:02:06 09:04-41 PRATf P

PRATT PRATf'R iiHI'f'JFY CALI BR '~.TIO.'I AHITVFY~BtT~3Y LO)'I V!)LTP0=

l!HIT!!EY I 3)'ll 5930 BUS T IF.

BKR PRATT R

JHITHEY 13)'ll 5930 BUS TIE B<R PRATT 8

s'JH IT~JFY r240i'i3681 9 RAIJCH

'fID'iJAY L()CK!)UT RFL Y a/C/<

PRFSS LI I VOR.'.! hi I')O~R)I SELEcr CLOSED TAG S

~ I 4 )Ri.!a I 09:10- 44 09-11 -09 09 AD !1 -I 6 09:11: 19 09-1 I:23 09:11 -28 l

09-11 -'30 09:11: 34

?8 I DY"iAY D"i

'.I I D".IAY

'C I0'vi Y

,'I I O'I'IAY

',(I DVi Y

'I ID'i!hY

'II O'I'I Y

240J24538

'ILIER 2/ST LUCIE 2 SELECT

~4'I>~433~>LBB

>iGXJJL 240i'!24538

~ 'fLBR 2/ST LUCIE 2 SELECT 740~)'J24 8

?f R 2/S L C F 2

OP~~!I 240,'!24o16 i.fhLABAR 2

.~0:i24o!6 i.fh AB P.

2 SELECT CLOSED VORTH 240KV BUS POTE!'JTIAL IVOR!IAL 240i'i24638

'rfLBR 2/ST LUC I E 2

SELECT

'~0o-I I -37

I I - 37

'IID Ja,Y

'I IA".i~~

IOP.T'-I 240'<'/

BU~

s!!)?T'I 240~V BUS VOL1S LI-I 'IO!?"".Ai

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~'9-11-42 09:12:38 09-12-43 09-12-53 09-12:57 09-I 3- 02

'T, ID"AY.

'I I DLilhY

'fIDi)Ia.Y

'8 IDLY

'I I DI'JAY

'< I 0'iiAY 240'4638

".LBR 2/ST LUCIE 2. ~

CLOSFD

>40 s24652 ST LU I 3

SF CT 240>'J24652 ST LUC IE 3 ~

CLOSFD 240i74515 ST LUC IF.

I SFL ECT 5

CLOSED 240ii>4685

'IALABAR I

SELECT 09-13-07 09

~ 13-19

'I I D'2'I A Y 240!'i24685

.'fALABAR I ~

'f ID<'IhY I 38A'!24785 PLU'.!OSUS CL )SED SEL"ECT

FAULT RFCORDER RECORDS NO. l-19

FT. HYE?S 24OkV LAJDERCALE 240kV PSM 240kV 8?GUARD 24OLV t(0.

1 MvOEnOA' 240XV I'ilCslrhY 240kV FT.

IIYERS 240kV FT.

I'BUYERS 240kV BAIRD 240kV tl0. l VB-H VC-N IA lc 3lo I CAR 3 Io

'W'PiVtV~NVViVIv'v~MfAVA!vVJ'J'A'AAf PPJU'/O'A"@VV'P/":>",:j: ":.':: ' "

ipvv!'rA'UI'vr!4'vJUI'JNIV/UVJIPi'UUMVNUWUUv'4'A'vAJVINVAIVv 3

I 5~

l 7

s 8

r 9

c'T HYERS 240kV I'ATTS 10 FT. tlYEnS 240kV VARS LArJDERQALE 240kV LAUDERDALE 240kV tllWAY 240kV t:IW'AY 240kV EVENT HARXER 3lo ICAR 3lo ICAR 12 13 14 15 16 C gypsy p,u>SENT O.psg O FoCLPAI.Yt AY'nsDWAY I2C%ntBAGS'@CO "wtisA~YI' M

V BRItJARD 138kV BRD"ARQ 240kV HO.

2 BRuVARQ 240kV tl0.

2 BROsJsRD 240kV tlO, 2 HIDVAY 240kV IA 3to VA-N 17 18 19 I CAR 20 CARSTOP21 L.

Ai: t::::.

rr

~'

!~

r

~ \\

~

r 1

r RIVIERA 138LV NO. 2 RIVIERA 138LV NO.

2 tri FREQ 22 23 r

~

~

rr l

r

~

~ ~

r'T.

tsYERS 138kV FT.

PYERS 138kV FT. HYERS 138kv RIVIERA 138kV NO, 3

HYPDLUXO 138kV hYPOLUXO 138kV HYPoislxo 138kv BROCARD 138kV VB-H 31 0 ICAR ICAR Vc-H 3lo ICAA VA-H 24 25 t s

26 I 27 I" pN'Vi!"!'9

)

30 L 31 !jtls!'.,.'s STATION s RANCH TINEs 07:48s20 OSC ILLOBRAPH NO ~ '.

02

>PA"vVPPAV/'AVJVAV6: ".V ':

."i 'J 'i II'7

~ 4" V i '.J."I'4

I I'~ g'iA'(( y/',.~/(;;.IIL",,;7'~";:-',!;, J

T XYERS 24'kV LAOOERLAI.E 240kv PE,'M 240kV VA-i; VB-X Vc-N

'l'JVPP?vV.nfuVJ'PAVPP"PiVWvV!I.'V'iLI"A~vPiJViifIJ'lAVNJVf: :

y0 6 4> ~J 9~1.7V IJ V 9'fV J i LJ v kP 6IJ~I V 22.i 11" L.ICI V% UAJV PJ! 1J1J l/VAALt 'J V~V 1t V'9 'V' C '

BRD'"R'42kv hO. 1 Agc = nCA' 24 0 kV xicvAY 240kv FT. I;YEAS 240kV FT.

NYERS 240kv CICERO 240kV NO. 1 IA IB lc 3lo I CAR 3lo 4

5 g ACLP C II op Pic IL11C11 g >'

ILO CC.o5IC 5 PrL.r 2 r C

PHPSa-6I4D

+AuP=F CPW mloWAY-graC6 2%OY-V RE%.$ TPCBL)Sing'QCP WV I

I 2 u FT. XYERS 240kv FT. XYKRS 240kV VATTS VARS 10 LADOERLO*LE 240kV LAJ ERDALE 240kv HIDEY 240kv xl0'OPAY 240kv EVEhT HARRER DRy:ARD '3SRV BROCARD 240kv NO. 2 BROCARD 240kv NO, 2 SRDNARO 240kV NO 2

I'olaA"Y 240kV 3lo ICAR 12 13 3lo I CAR 14 15 16 IA 3lo VA N 17 18 19 IcAR 20 CARSTOP21 l

l~l Vt, r,

I!?l 4?

PCuYaT1.neSroPC ae.

nV' CCCWIV C

111 A.LC 5'll RIVIERA 13Skv I"0. 2 RlvliRA 138'LV NO.

2 FT. HYERS 13&kv FT.

NYERS 138kV FT XYERS 138kV RIVIKRA 13SkV hO.

3 IA FREQ VB-N 3lo ICAR I CAR 22 I I

2!

27.'

~A,A rh~W

~

~

..",",. Elf O'V"."A '."J IJ"AVV'II~."iV NYPC 'xo 13ekv x(pc.oxo -3ekv H'TP Lv'xo 13ekv B?CVARO 138kV Vc-N 3lo I CAR VA-N 28 4'X%'PP: '-.":",': "lI"g'"J'y,'~; g"1 "1,~,,'P,": " ""qi,.g$ >'.

22 30 '~

STATION:

RANCH TIHIEl 07;52140 2 I I,'" 'PI I'~.. 'I AiLJPO~Q)

OCCILLOCOCPII OO OP

~@i'V'ALI':"'".;

Ff. HYERS 24':LV LAuOrk:ALE 240kV

PCM 240kV VA-h Va-H VC-H 1

2 3

h h

~

~

2

!1 P 5

5 ( h t

h h

q

~

~

2

/ '

P I: 5" l-:'ll tt' lii"'I i'I"/'1/- Atf'/

f' f t" I'

'/'

'":: F f')f'

/

BPOIC;1. 2! OI,V I;0. 3 tJ"Orh A f Zl,OkV IA I tt 51 C'>IIP>c Q W<<rh, ~

I C>>tto, f-'f>>tLf Othe'LC!'Wt> (

ll P>t>tCIt>

V>ION@

ar.C.~en I:L.ISACIEt NI fVA-. 240kV fi. I'YEAS 240kV FT.

>IlYERS 240kV SR01!AAO 240hV liO. 1 fT. NYERS 240kU fT tlYERS 240kV IC 3lo I CAR 3lo VATTS VARS 6

L 8

91 10>

e,f,~Ca eY.A.

of>cw F.

rh>C

~

LAVDEROALE 240kV LAVDEROAI.E 240kV 3lo ICAR Hl Ot!AY 240kV Nl(YAAY 240kV f.VEN, HARi;ER 3l o I CAlL 14 15 16 BRIN!ARO 13SLV l

BROVARO 240kv tm. 2 SROVA>IO 240kV tt0, 2 IA 3lo VA H 17

> ~

19 '

Sf>OVARO 240kV t>0, 2 NIOVAY 240kV ICAR 20!

CARSTOP21 RIVIERA 138kV I;0. 2 RIVIERA 138kV NO. 2

'A FREQ 22 I 23l <<

FT. NYERS 138kV FT. NYERS 138kV FT.

N>YEAS 138kV RIVIEPJL 138'LV NO.

3 NYPOLVXO 138kV I

s hYPOL>lXO 138kV hYPOLOXO 3 38kV SROVARO 138kV VS-H 3lo I CAR I CAR C-N 3lo ICAR 2;

5~

26 -r22'~

2> <<

30

~.

STATION:

RANCH T IHEl 07 l52: 52 OSCILLOGRAPH NO. l 04

~

2 h <<h f h

h

$ \\

h r h

~

2

~

~ 2 I 1,

~ ~I

'L IQ i g /';

FT.

NYERS 24Jkv LAitDEkoALE 240kV Pc'tt 240l.V SRO.'u:

242LV t.p. 1 LAJCER ALE 240kV VA-H Va-k Vc-H IA J'JNVJ'vVlJsfWNMN'J'JVVV'V'JVNNVNfWVVtfsfvsfPiVvVv'f:fI:'" '

'I/cfs'RI'vANiWNcVIWVvNfvVv'VVAvRcRIVVvVJ

!'vvvVJNfVOIv ': i; "

t4o tC s ~co>>'4's>>C s.

ts o

Qswsl CA,o4c t Nl CvAY 240kV FT. I:YiitS 240kV FT.

NYERS 240kV SRCaND 240kV tip. 1 Ic 3lo IcaR 3ln 6

2'-

a>>oc>> J>>>>jo ~. ~

s,oc FT. ttYERS 240kV FT NYERS 240kV VARS 10 \\

s ol LAUDERDALE 240LV LAUDERDALE 240kV NIDMAY 240kV NID"AY 240kv EVEhT NARRER 3lo ICAR 14 15 16 3lo 12 '

CAR 13

~muTVI p,ufo PA.tssoJolTsog.~gfc.

AT tvotcsvppsY

" tsJI4u

~

~

FeaaEaC t+EO'RO JARS 138kV 8RCUARO 240kV NO.

2 SROVARD 240kV tip 2

IA 3lo VA-H 12 19

~

SRPVNRD 240kV top.

2 I CAR 20 NID'JAY 240kV CARSTOP21 is ~

i RIVIERA 138kV I;0. 2 RIVIERA 138kV HO. 2 IA FREQ 22 23 v

~

M

~

~

~

~

FT. 'NYEPS 138'kV FT.

NYERS 1382V FT. NYERS 138kV RIVIERA 138kV tip.

3 HYPCLUXO 138kV NYPps UXO 13&kV siYP>>LUXO 's38kV SRG"AR>> 138kV 3lo leak I CAR VC-H 3lo ICAR "A-:t ttt"':i:::7,':

'".RffvVJAVV,IVVVVNfNf<VVVARJNfAVVPA:.:,"s.', ';:...

25 t 2&so,~

• oIVV'v:::t:,,,'s.Vv'V fvi!'! Mi~RRfVVWVJVNlviiNsJVViA's'vNIc.'cP;:V: cf" i

29' iJ STAT IONt RANCH ii Ns ',RRj osccccooacII'io.:

os

~AVAVNR VAM!VVAVU'<,I;I'U"IVi:

o

FT. 43EES 24 4'A-h LAUQ R;A.: 24"k'U P'V 2<QLY Va-h

~ ~

~

4 W~W

+

p N

~

BRO"ARQ ic.kf:.Q. 1 EAO c A 24 kU IA IB 4

II)k'AY 24SRV FT. rYERS 240kV Ic 3)o FT. IlY=RS 240k'.

BRQ"'RQ 24QkV ho 1

FT BYiRS 240k(

I CAR 3)p MATTS 9

~

I 10 FT. BEERS 24QRV UQQERQAki 24ckV NIQERQALE 24CXV II)O~Y 24.kV II)ir~'AY 242kV EVENT I'AR-.ER BARS 3)o I CAR 3)o

)CAR 11

.r-.

14 g

~

~

15 f 16!r BRG'JARS 'Bkf BRC"ARQ 24QkV XO 2

QR

'ARQ 2(okV 0.

2 IA 3)o VA-iX 17 BRO~ARQ 24QLV '0.

2

)CAR 20 II)0'~Y 24QRV CARSTOP21 X)VIER'BkV:.0, 2 RI'V)ERA 38kV Xo. 2 FREQ 22 23 I

A FT'

~ VERS ckg FT. AYERS 3cki r F. l.YEAS 32kU Rl V)iRA

- RV:.Q.

3 h'YP OXO 3ckV hYPQ!QXO '!Bk'r hfPQ'vXO 3-kV VB-II 24 3'o

)CAR I CAR Vc-II 3)o

)CAR 25 26 27 28 29 3Q A

n

' <<VVAVNVVAI'~'VV~<>>'" +'~'"

1 osciiknatA!SPtf <<t.:

06

'pfgj"II)Q~(gfgpppp/'ggI,f)IQ Ipfy,'"g',f'I:~,'~,'",/'," ',.

I Hid<<ay 2404V Ko. 1 "A-K Niday 240kV Ko. 1 Hid<<ay 240kV Ko. 1 Hid<<ay 2402V Ko. 1 Hid<<ay 240kV Ko. 1 llidway 240kV Ko. 1 Nidway 240kV Ko. 2 Nid cay 2404V Ko. 2 Hid<<ay 240kV Ko. 2 Hid<<ay 240kV Ko. 3 Nidway 240kV Ko.

3 Hidway 240kV Ko. 3 Hid<<ay 240kV Ko. 3 Nldway 240kV Ko. 1 Nidway 240kV Ko. 2 Hid<<ay 240kV Ko. 2 Hid<<ay 240kV Ko. 2 Ve-K 2

VC-K

'A 4

IC

'e 5

IC 6

VA N i

3lo 8

ve-K VC-H 3lo 11 YB-K 13 3 Io 14 IA 15 Ie 16 PJ I

a t

I I

yt Nid<<ay 240kV Ko. 3 240kV Vest Bus (115V.)

PA'idway 240kV Ho.

3 le 20 IA 18 FREQ.

19 Hid<<ay 240kV Ko.

3 Hidway 240kV Ko. 1 IC 21 ICAR 22 Unit Ko. 1 22kV Sync. Volt.

Nid<<ay 240kV Ko. 1 Unit Ko.2 22kV Sync. Volt.

Hid<<ay 240LV Ko. 2 Nidway 240kV Ko. 2 Hid<<ay 2404V Ko. 2 240kV East Bus PA Hid<<ay 240I V Ko. 3 240kV vest eus pA VA-K CAR START 24 VA-K

'CAR VC-K CAR-START 28 VA-K 29 I CAR 30 VA-H

V

% ss~ssssss s~

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4

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4'TAT IOI,'T. LUCI E T INE:

07: 5I:07 OSC ILLOGRAPH NO.:

07

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~itI

Nid//ay 240kVt>>o..'-H Ni*/ay 240ky Ho.

1 Ni<h/ay 240kV t(o. 1 Hid~ay 240kV Ho. 1 Ni/key 240kV Ho. 1 Nid//ay 240kV Ho. 1 Ni/k/ay 240kV Ho.

2 Ni/k/ay 240kV Ho. 2 Ni*/ay 240kV Ho. 2 Hid~ay 240kV Ho.

3 Nid//ay 240kV Ho.

3 Nid//ay 240kV Ho.

3 Nid//ay 240kV Ho. 3 Nid//ay 240kV Ho. 1 Ni/k/ay 240LV Ho. 2 Hi&ray 240kV t>>o.

2 Nid//ay 240kV llo. 2 VS-H Vc-tl IA

'8 Ic VA-M 3 lo VS-H Vc-H 3lo VA-H Vs-M 3lo IA IS IC 10 12 13 15 16 17 t ~-

L~>>

I'I Nid/ay 240kV tlo.

3 240kV l>>eSt SuS (115V.)

PA'I/h/ay 240kV Ho.

3 IA FREQ.

IS 18 19 20 Nid//ay 240kY Ho.

3 NI*/ay 240kV t>>o. 1 Ic I CAR 21 22 Unit Ho. 1 22kV Sync. Volt.

NI*/ay 240kV Ho. 1 Unit Ho.2 22kV Sync. Volt.

Ni*/ay 240kV Ho.

2 Nid//ay 240kV tlo. 2 Nldway 240RV Ho.

2 240kV East Sus PA Ni/k/ay 240sV Wo.

3 240kV Vest Bus PA Nia./ay 240sV Ho.

3 VA-M CAR START VA-H CAR Vc-H CAR-START VA H ICAR VA-H CAR eTART 23 24 25 26 2 /

28 STATION:

ST.

LUC I E TIHE:

07:SI:ls OSC ILLOQRAPH liO, t 08

'h r Midway 240,V No.'A-t Midway 240wV No. 1 Midhhay 240RV Ho. 1 Midhway 240rV HO.

1 Midway 240aV No. 1 Midway 240RV Ho. 1 Midway 240~V No. 2 Midway 240:V No 2

Midway 240aV No. 2 Mid hay 240~V No.

3 Midway 240eV Ho.

3 Midway 240RV No. 3 Midway 240aV Ho.

3 Midway 2404V No. 1 Midway 240<V No. 2 MIdway 240sV No. 2 Mid~ay 240<V Ho. 2 VS-N VC H

'A IC VA-N 3ic VS-:I VC-N 3lc VA-N Ve-H 310 IA IS IC 6 r

0 2

-3 4

5 h

v h

Ivh v

h v

v Nidway 240aV No.

3 240kV Vest Bus (115V.)

PA'idway 240kV No.

3 IA FREQ.

20 Midway 240kV No.

3 Midway 2404V Ho. 1 IC I CAR Unit No.

~

22kV Sync. Volt.

Midway 240rV No. 1 Unit No.2 22kV Sync. Volt.

Mid hay 240sV No.

2 Midway 240rV Ho.

2 Midway 240sV Ho. 2 240kV East Rus PA Midway 240.V No. 3 240kV Vest Bus PA VA-N CA'TART VA-;I CAR VC.H Ct" START VA-H IC;R VA-.

24

=

25.

2c v

STATIOH:

ST.

LUCIE TIME:

07:58:42 OSCILLOCRAPM NO.:

09

Hiduay 240LV No. 1 A-H Hiduay 240LV Ho. 1 Hlduay 240LV No. 1 Hiduay 240kV No. 1 Hidey 240kV Ho.

1 Hiduay 240kV Ho. 1 Hlb'ay 240kV Ho. 2 Hidey 240ky Ho. 2 Hi*iay 240kV No. 2 Hiduay 240kV No.

3 Hiduay 240kV Ho.

3 Hiduay 240kV No.

3 Hihsay 240kV Ho.

3 Hiduay 240kV No. 1 HI&ray 240kV Ho. 2 Hldaay 240kV No. 2 Hlhiay 240kV Ho. 2 Nlduay 240kV Ho.

3 240LV Vest Bus (115V.)

PA'iduay 240kV No.

3 VB N VC-H

'A

'8 IC VA-H 3lo VB-H VC-H 3lo VA-H 8-H 3lo IA IB

.IC

'A FREQ.

IB 10

~ )

12 13

~

15 16 1e L

19 20 2

' I i,

3 jl i'ldway 240kV No. 3 Hid~ay 240kV No. 1 IC 21 I CAR Unit No. 1 22kV Sync. Volt.

VA Hi&ray 240kV Ho. 1 Unit Ho.2 22kV Sync. Volt.

HIduay 240kV No.

2 Hid+ay 240ky No. 2 Hid~ay 240kV Ho. 2 240LV East Bus PA Hiduay 240LV Ko. 3 240kV Vest Bus PA gldwsv gl nvu nn CAR-START VA H CAR VC-N C"R START VA-N I CAR VA-N ma-.T.

25 I 26

)

/

2B ~-

2$

30 3:

STATION:

ST.

LUCIE TIHE:

07:58:52 OSCILLOGRAPH HO. l IO

~

'I

Mtd.>ay 240kV No. 1 Midway 240kV tto. 1 Hidway 240kV No. 1 Midway 240kV No. 1 Midway 240kV No. 1 tlidway 240kY No. 1 Hidway 240kV No. 2 Midway 240kV No. 2 Midway 240kV No. 2

,Midway 240kV No.

3 Midway 240kV No.

3 tlidway 240kV No.

3 Midway 240kV No. 3 Midway 240kV No. 1 Hldway 240RV No.

2 Midway 240kV tto.

2

'idway 240kV tto. 2 VA-N Vs-N Vc-N

'A

's IC VA-N 3 lo VS-N VC-N 3I o VA-N Vs-H 3I o IA ls ic 5

10

,12

'3 14 15 16 V~Ij',!I!V!VJA(II AVE l(fANWjIA IVAimjj

/! (I,'L '. /i (> jJ)j', "Ii'al P "Ijl, g'ljI,)

/:V

.l V V 1'1'

'1,'sr'c L! ct c'l

'c( v'v'.'

V vr I,'

V 4 'i V V

cf V a

v'

~ fc/',>'IP j) 'Ll

'J (,'It.i

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MA

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j"k'. I.'. J~;'<"V; S'..'"VbS"'.'Vik"=,7-'.".'II',('

'J' Midway 240kV No. 3 IA 18 240kV Vest Bus (115V ) PA!

c Midway 240kV tto. 3 FREQ.

is 20 Midway 240kV No.

3 Midway 240kV No. 1 ic I CAR 21 22 Unit No. 1 22kV Sync. Volt.

Midway 240kV tto. 1 Unit No.2 22kV Sync. Volt.

Midway 240kV No.

2 Midway 240kV No 2

Mid~ay 240kV tio. 2 240LV East Bus PA Hick!ay 240LV No. 3 240LV Vest Sus PA VA-N CAR-START 24 VAN 5

! CAR 26 VCN 2

CAR START 28 VA-N 29 tcAR 30 VA-N

( j,'!! >fcjc ', jr>jc! f,j.i~j>pcs STATION:

ST.

LVCIE TINE:

07t59l33 OSCILLOGRAPH NO.: ll

Hidr/ay 2402V tto. 1 A-N tlid;vay 240LV Ho. 1 Hid<<ay 240kV No. 1 "B.II 2

Vc-H

'2 I/

'r I,

h h

u ttidh<ay 240kV tto. 1 Ntduay 240kV tto. 1 Hid<<ay 240kV tio. 1 tlidhvay 240kV Ho. 2 Hidv/ay 240kV Ho. 2 Nick/ay 240kV Ho. 2 Hi*/ay 240kV tto.

3 Ntd</ay 240kV Ho. 3 Hid<<ay 240kV No. 3 Hid<<ay 240kV No. 3 Hid<<ay 240kV HO. 1 Nid<<ay 240RV No. 2 Hid<<ay 240kV No. 2 Hid</ay 240kV tto. 2 Hi*<ay 240LV Ho. 3 240kV Vest Bus (115V.)

PA'li*/ay 240kV Ho. 3

'A

'B lc VA-N 3lo VB-H Vc-ti 3lo VA-H VB-N 3lo IA IB ic IA FREQ.

IB 7

10 12 13 14 15 16 18 19 20 L

2

~

h

'3 Htd<<ay 240kV Ho.

3 Hid</ay 240kV t(o. 1 lc ICAR Unit Ho. 1 22kV Sync. Volt.

Hid<<ay 240ky No. 1 Unit Ho.2 22kV Sync. Volt.

Hid'/ay 240kV No. 2 Hid<<ay 240kV Ko. 2 Hid./ay 240kV Ho. 2 240LV East Bus PA Hid;<ay 240kV No.

3 240kV 'Mest Bus PA VA-N

"" START VA N

'CAR Vc-N CAR-START VA-tt ICAR VA-t<

24 25 26 2/

26 29 30 32

/

~

STATIOH:

ST.

LUC I E TIHEt 08:03:29 OSCILLOGRAPH NOL l2 2 "7 t

~

~

Niu'/ay 240,V No.

Nid;/ay 2404V Ho. 1 Mid<<ay 240kV No. 1 Mid<<ay 2402V No. 1 Nid<<ay 240kV Ho. 1 Nid<<ay 240kV No. 1 Nid<<ay 240/cV No. 2 Nid<<ay 2404V Ho.

2 Nid<<ay 240kV No. 2 Hid<<ay 240kV No. 3 Nid<<ay 240kV Ko. 3 tiid<<ay 240ccV No.

3 Nid<<ay 240kV Ho. 3 Hid<<ay 240kV Ho. 1 Mid<<ay 240kV No.

2 Nid<<ay 240kV Ho. 2 tlid<<ay 240RV No. 2 VB-N VC-ti

'A IB 5

IC 6

VA-H 3lo 8

VB-N 9

VC N 10 3lo 11 VA-H 12 VB-M 3lo 14 15 IB 16 IC 17 h

/

h

/

c

~

d V

/

c I

I/

~

~

'ld<<ay 240kV No. 3 240kV West Bus (115V.)

PA'td<<ay 240kV tlo 3

IA 18 FREQ.

19 IB 20 Mid<<ay 240kV No.

3 Ntd<<ay 240kV No. 1 IC I CAR 22 Unit Ho.

~

22kV S)nc. Volt.

Nid<<ay 2402V tlo. 1 Unit No.2 22kV Sync. Volt.

Mid<<ay 240kV Ho.

2 Nid<<ay 240RV No. 2 Nid<<ay 2404V No. 2 240kV Ea=

c:us PA Nid<<ay 240~v tlo. 3 240kV west Bus PA

~ ~

~

/ //

~ ~

~

VA H CAR-START VA-H LAR VC-N CAR-START VA-H ICAR VA-H 23 24 25 P" 26 2/

26 29 t 30./

c

/

/

/

/

r STATIOHt ST.

LUC IE TIME:

08: I0: I3 i

OSCILLOGRAPH MO l I3

/

~

c

M:tCII Hp. 1 Vn-:I VO-I 2 I..vh

~

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h h

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'WEST PALH BCH 138 VA H I It 1lt tIV 4 19 tiI PLUHOSUS Hp. 2 IA 16 ICAR >>

3 Ip 18 VA H 19 IIV I

IA 20 ICAR PLUNOSUS Hp. 1 3 lp 22 3 lp 23 WEST PAUI GCH 69 3IO 2

t,'Ig!

PLU.'tOSUS Np 2

Vg-H 25 VC-H 26 HAItl TIGRIS. HP, 3

3l 27 STATION RIVIERA TINE:

06:45I14 OSCILLOGRAPH Np. -

I4 IJLltl TRIUIS ttp. It 3lp 28 138/69 TERT Ip 29 ttAltl TPAttS. ltp. 1 f ttp.

2

,p y~+~p,PPP,P,P P,P,PP,P,P,P,P,P,P,P,P,P,P,PP,P,P,PRARRAARRRAP

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RAtlCH NO. 2 IO 7

RANCtl tlO. 3 A ti ll~ I

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3IO(b)10 VA N 21.'.Ll IC 12

'CAR '3 3 IO 1>>

I'EST PAul eCN 138 VA N II> V

~I PLUNOSUS tlO. 2

'A ICAP.

3 Ip 18 Vh-N I>l>I

'9>>SV

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~ I ICAR 21

'IO 22 I'LUNOSUS tt{>. 1 1>EST I'AUI OC>l 69 3 lit 23 2>I l's',~f

>If V 3lp PLU.'lQSUS t:0. 2 VB-tt STATION:

R IVI ERA TINE:

06:t>8>25 OSCILLOCRAPN NO.>

I5

/ gQ+I VC-N 138/69 TERT

'0 t'ttt T? V>S. t.'0. 1 t

t>0.

2 I I ~ ~

3IO t>Attt TR">S. NO. 3 3>0 t>Aill TR'ittS.

I>0 I>

3 IO 27-28 I

29

~

II 30

~ ii.i A

,! ~ ~/'RARnRRARnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn.

IJLtctt HO.

VA-2...L V I/

~I RAltCH tto. 2

~I Vc tt

'A

'CAR 3 lp(~)

.ICAR I>

5 6ii Ii 1 7L liii't 9

RNICII lto. 3 3IO(b)lp g;qr, "AH I '

5

!C 12.V>>

'CAR HEST PAUI 8CII 138 3lp Vn-8

~ ~ i hh 1tt i: VV 15 (

'Il'CAP 16 1/

t PLU'IOSUS Hp 2

~ I 3 Ip 18

)ilL A VA il 19 liV IA 20 ICAR 3lp 22

'LV."O'VS tto 1

llEST PAUl Oct! 69 3lp 23 3 lp 2tt

!','% h PLUHOSVS tto. 2 Vtt-H 25 llpltt T."vHIS. tlo, 3 Vc

~i 26 3lp 2/ If'(ft li'i' tlpltt TRtotS. tto. ti 3 Io 28 138/69 TERT lo

~29 ioi i STATIOHt RIVIERA TIHEt 06t 52 t45 ijl(ty,'~~4 OSC ILLOSRAPH NO. t 16 I

PAItt T?&tS. Itp. 1 G'Q.

2 3Io 3o

RA!ICH Ho. 2 "c-:I IA ICAR 3!0(~)

's VA-I(

.IcAR 3 "" ~. v V 'A%IA I>

5

~

t>> h

~ ~ VV 7J ~

9

~ >

RAIICII Np 3

MEST PALH BCH 138 9 IO(b)lo

>.>,>'A-H

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ICAR 13 3l

> ~ >

lt>>

VA-H > I.;PAtI, IA 16 VLUHOSUS tlo. 2

~ >

~I I'LIJHUSUS tlo 1

t IJ ST PA JI BCH 69 PLU.".OSUS I!0. 2 JIAIJJ TRAJJS, Ho, 3 IcAR 17 3lp 18 I"hh VA-H 19 l."451 IA 20

'cAR 21'lp 22 3 lp 23 3lO

... L."."rVPINPP c:

26.'...'"..'...",V.-"AVPAVZVVV"A/'&PA"V Ip 27

>I>I'>

3P769 TERT P!Altl TPA"S. I!0. 1 C::0.

2 I!A IH TRA!JS, Ro I>

3 Ip 2II STATIO!I>

RIVIERA TIRE

06> 52: 56 OSCILLOCRAPH Ro.t 17 I

'" "'..".'.',",vuRvor,onnnr nnnnnnnnnnnnr r nnn,ar n,r r,r r r r r p n,nr R,l,/MMvV'

PJ~tctl t'tp. 1 VA-tl VO-N 5 hl(h!~,

h V V P,

~I

~I I ~

~ I RAIICN Np. 2 Vc-N

'CAR 3 lp(a) 6 IR 7

'I t "c,

~I "A-N

!CAR r

8 I'.I A IN'EI1(

9 3 Ip(b)10 LVICII NO. 3 A-tt

!c CAR 11 itt t t'J 12 13 3 Ip ltt WEST PALtt BCII 338 VA N 15

<!AA I'A 16 PLUHOSUS Np. 2

~I IcAR 3 lp ICAR 17 19 I<jtft i'i'f J 20 21

'LUHJSUS ltp. 1 LIEST PAIII OCN 69 PLUHOSUS tlP. 2

~ I 3lp 22 3 Ip 23 3f 2tt 0

,'f haft,t Va-N 25.II 'V V STATION:

R IV I ERA TINEt 06t53 t36 OSC ILLOGRAPH NO. t 18 ttp ill TV@IS ltp 3

ttAIN TV<.'IS. tlP. ti 138/69 TERT IIAltlTRANS. It'p. 1

t. Itp, 2 3t 27 0

I 3lp 28

~

I I

tp 29 s

II 3l t""'ihhARRR R h h h R A h A h h h A A A A A h h h h h h h h h h h h h h h hhhhnnhnhnhhhhhhh."

ttorth 240LV Sus Brcvard 240kV ho.

2 ttiduay 240LV tto. 1 ttid~ay 240kV tto. 1 Brcvard 240kV tto. 1 Hiduay 240LV tto. 2 240RV f 69kV Srevard 240I;V No. 1 Br vard 2404V Ho. 1 Brcvard 240kV Ho. 2 Brcvard 240kV No. 2 Hidey 240RV Ho. 1 I

~

ttidrray 240kV tto. 1 VA-N VB-N YA-N IS IC

'POL 2

3 5

6 3lo I CAR 3lo iCAR 3lo 9

10 ll 12 I CAR 13

'vvv'r>'~

~zv~ wvrww r

V v v

,rWr r...its AAA"

~w~~~ rvV'W'J ttid~ay 240kV tto. 2 tttduay 240kV No. 1 3lo WATTS 14 15 M~N~Pr~

Event Iiarkcr Nldway 240kV Ho. 2 tlicMay 240t'V tlo. 1 r

Eau Gallic 13SkV Ho. 1 Irdialantic 138kV Radial Eau Gallic 138kY tto. 1

. VB-N VC-N IA 19 20 21 ICAR VARS 18 ft ".; l; > n 5 r " ", 4 i-ri 0 fg rgb rl r i'!'~ " f /I g r

0 w r q q p r, ~ n r; ". w;'rr n, ". 'i 'i

. fl."y "- r n

="

j'tj'y '.

~r'~J v'Y'".~y'.r'V'.i~/g'Y qJ~V:.J Jar",g,/'gr'IjV V V V v'j vAO'A 'v-9 j v J ti ': 'jli t v

Eau Bailie 138RV Ho. 1 Eau Gallic 138kV No. 1 I

lndialantic 138kV Radial 3io I CAR IS 22 23 24 Lp~+

. pgtl V A.C

~

In"ia Iant Ic 38kV Radial I:orth 240LV Sus 3lo FRED.

25 26 Eau Gallic 138ky t:o. 2 IC 27 j

E u Gallic 138kV tto. 2 Eau Gallic 138kV tto. 2 Nest 69kV

'West 6'3kV 3lo I CAR A-N 3lo 28 30 31 STATTONt YJLABAR TINRt OytCS:07 OSCTLLOGMAPII HO. t 19

see

'v iVPp V

~UQ J

~ g'

)

plight

'~'Q J" Q'j'4 9v'v'l'~J~4V'-~Q'J'Jg>V'JV J'l'~'~

9

'J i" J

~

~EcT IVC I

I QQ((>,'978 i OSC fiE(.OllD ri~.

rio.

UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION Before the Atomic Safet and Licensing Appeal Board In the Matter of FLORIDA POWER

& LIGHT COMPANY

)

(St. Lucie Nuclear Power Plant, Unit No.

2)

~

Docket No.

50-389 CERTIFICATE OF SERVICE I hereby certify that copies of the attached letter to William D. Paton, Esq.,

dated May 25, 1978, together with the "Report on System Disturbance, May 14, 1978," prepared by Florida Power'& Light Company and dated May 25,

1978, have been mailed this 25th day-of.May, 1978, to the persons shown on the attached service list by deposit in the United States mail, properly stamped and addressed.

Date:

May 25, 1978 HAROLD'. REIS Lowenstein,

Newman, Reis

& Axelrad 1025 Connecticut Avenue, NW Washington, DC 20036 Telephone:

(202) 862-8400

UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION Before the Atomic Safet and Licensing Ap eal Board In the Matter of FLORIDA POWER 6 LIGHT COMPANY

)

(St. Lucie Nuclear Power

).

Plant, Unit No.

2)

)

Docket No. 50-389 SERVICE LIST Mr. C.R.

Stephens Supervisor, Docketing and Service Section Office of the Secretary'f the Commission Nuclear Regulatory Commission Washington, DC 20555 Michael C. Farrar, Esquire Chairman Atomic Safety

& Licensing Appeal Board Nuclear Regulatory Commission Washington, DC 20555 Dr.

W. Reed Johnson Atomic Safety

& Licensing Appeal Board Nuclear Regulatory Commission Washington, DC 20555'ichard S.

Salzman, Esquire Atomic Safety G Licensing Appeal Board Nuclear Regulatory Commission Washington, DC 20555 Alan S. Rosenthal, Esquire Chairman Atomic Safety 6 Licensing Appeal Panel Nuclear Regulatory Commission Washington, DC 20555 Edward Luton, Esquire Chairman Atomic Safety 6 Licensing Board Panel Nuclear Regulatory Commission

'ashington, DC 20555

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