draft-sis negros ph solar inc. 50 mw solar project(1)(1)

8/17/2019 Draft-SIS Negros Ph Solar Inc. 50 MW Solar Project(1)(1)

1/39

Draft Report

System Impact Study Report

50 MW Felisa Solar Power Project

Prepared for:

Negros PH Solar Inc.Barangay Felisa, Mansilingan, Bacolod City

By:

Power System Research ad !osultacy "roup

#uly$ %0&5


2/39

'('!)*I+' S)MM,R-

*his System Impact Study .SIS/ is coducted for the 50 MW Felisa Solar Power

Project of e1ros Ph Solar Ic2 .PSI/ i Br1y2 Felisa Bacolod !ity2 *he proposed

coectio for this project is a direct coectio to Bacolod &34 + Su6statio2

*his study was performed i accordace with the Philippies "rid !ode .P"!/ ad

"!P re7uiremets2 *he purposes of this study are as follows:

&2 ,aly8e the steady9state$ sta6ility$ ad short circuit coditios of the 1rid with

the project

%2 Determie ay up1rades to the trasmissio system that would 6e re7uired to

miti1ate ay ad;erse impacts that the project could otherwise pose o therelia6ility ad operati1 characteristics of the trasmissio system i

accordace with the P"!$ "!P stadards ad 1eerally accepted

iteratioal trasmissio utility practices

32 Determie ay up1rades re7uired to miti1ate ay de1radatio to trasmissio

trasfer capa6ility ad


3/39

STEADY STATE

Steady state thermal ad ;olta1e aalyses were coducted to e?amie the comparati;e

system performace with ad without the proposed project2 *he 6aselie performace is

6ased o the system without the proposed project2 System performace was re9

e;aluated with the project ad compared with the 6aselie system2 *his approach

e?poses the impact of the project o the system utili8i1 the criteria set 6y the P"!2

Steady state aalysis was e;aluated usi1 a sceario where power plats at close

pro?imity to the project were dispatched to its ma?imum feasi6le le;els for years %0&@

ad %0%&2 Pea load for %0&@ ad %0%& were respecti;ely$ &$45A25

MW2 Simulatio at this dispatch sceario ea6led the e?amiatio of the trasmissio

system to relia6ly operate with the proposed project ite1rated to the system2

Based o the steady state results the project=s coectio to the 1rid poses o

si1ificat ad;erse impact o the relia6ility ad operati1 characteristics of +isayas

1rid2 *here was o si1ificat ;olta1e or thermal ;iolatios of relia6ility criteria

associated with the etry of the project cosideri1 its priority dispatch iceti;e

uder the R' aw2

STABILITY

*his e;aluatio cosisted of applicatio of faults o the system with the project usi1

pea 6ase cases2 *he dyamic sta6ility of the system duri1 ad after these faulted

coditios should coform to the re7uiremets of the P"!2 I additio$ ;olta1e$

fre7uecy ad power fluctuatios or oscillatios should dampe withi the prescri6ed

period2 Machie a1le should also e?hi6it accepta6le coherece2

I all tested fault coditios the project would pose o si1ificat ad;erse impact o

the sta6ility of the system2

F REQUENCY ASSESSMENT

Fre7uecy assessmet showed that the system fre7uecy will ot drop as low as

5A2< C8 with the outa1e of the proposed power plat2 ,utomatic oad Droppi1 is

ot e?pected duri1 this loss9of91eeratio sceario2


4/39

SHORT C IRCUIT

Short9circuit aalysis was coducted to determie the impact of the project o the

e?isti1 fault curret le;els i all su6statios2 I this study$ it was assumed that fault

duty of the circuit 6reaers istalled i the system are as follows:

Rated Short

Volage Level Circuit

Current (kA)

@A + %5

E@A+ &34 + 3&25

E%30 +


5/39

* ,B' F !*'*S

'?ecuti;e Summary

Steady State

Sta6ility

Fre7uecy ,ssessmet

Short !ircuit

!oclusio

&2 Bac1roud Iformatio......................................................................................................4

%2 Study ,ssumptios.............................................................................................................&0

,2 Demad Forecast......................................................................................................&0

B2 "eeratio '?pasios..................................................................................................&0

!2 *rasmissio '?pasios..........................................................................................&%

D2 "rid !ode Re7uiremets...........................................................................................&3

32 Proposed !oectio ,rra1emet ad System Modelli1.............................................&>

2 Fre7uecy ,ssessmet......................................................................................................30

42 Summary ad !oclusios................................................................................................3%

A2 ,ppedices


6/39

IS* F * ,B'S

*a6le &2 Demad Projectios for +isayas 22222222222222222222222222222222222222222222222222222222222222222222222222222 &0

*a6le %2 "eerator !apacity ,dditios for +isayas 2222222222222222222222222222222222222222222222222222222222222 &&

*a6le 32 Power !ircuit Breaer Fault Duty Rati1 2222222222222222222222222222222222222222222222222222222222222&3

*a6le 2 *rasmissio Bie Data 222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222&A

*a6le 42 Dyamics Data for 50 MW umped "eerator )its 22222222222222222222222222222222222222222222 %0

*a6le A2 Dyamics Data for the 'lectrical !otrols 2222222222222222222222222222222222222222222222222222222222222%&

*a6le &02 %0&@ *hermal ,ssessmet .Pea$ ormal Boadi1/ 222222222222222222222222222222222222222222222 %%

*a6le &&2 %0%& *hermal ,ssessmet .Pea$ ormal Boadi1/ 222222222222222222222222222222222222222222222 %%

*a6le &%2 %0&@ *hermal ,ssessmet .Pea$ 9& Boadi1/ 222222222222222222222222222222222222222222222222222 %3

*a6le &32 %0%& *hermal ,ssessmet .Pea$ 9& Boadi1/ 222222222222222222222222222222222222222222222222222 %3

*a6le &2 %0%& +olta1e ,ssessmet .Pea$ 9& Boadi1/ 22222222222222222222222222222222222222222222222222222%@

*a6le &42 Short !ircuit Rati1 of Selected Su6statios i the "rid 2222222222222222222222222222222222222 %>

*a6le &A2 Short !ircuit M+, at Power Plat SHS .Pea oadi1/ 2222222222222222222222222222222222222 %>

*a6le %02 Summary of Dyamic Sta6ility Simulatios with Power Plat 2222222222222222222222222222 %A


7/39

IS* F FI")R'S

Fi1ure &2 "eeratio !apacity ,dditios i +isayas..............................................................&&

Fi1ure %2 *rasmissio '?pasio Projects i +isayas..........................................................&%Fi1ure 32 ow +olta1e Withstad !apa6ility Re7uiremet for ar1e Photo;oltaic Systems &@

Fi1ure

Fi1ure 52 "eo1raphic ocatio of the Project.........................................................................&4

Fi1ure @2 '7ui;alet Model of the "rid i the +iciity of the Project......................................%0

Fi1ure >2 Fre7uecy ,ssessmet$ %0&@ Pea Base !ase.....................................................3&

Fi1ure 42 Fre7uecy ,ssessmet$ %0%& Pea Base !ase.....................................................3&


8/39

&2 B ,!"R)D IFRM,*I

e1ros Ph Solar Ic2 .PSI/ has em6ared o de;elopi1 this project 6y committi1

si1ificat resources ad time to idetify ad secure ey project specifics to esure

project ;ia6ility prior to applyi1 for the ;arious 1o;ermet permits ad appro;als2

*his project has 6ee uder9de;elopmet for the last @ moths with the proper site

selectio ad techical e;aluatio ad local staeholders= e1a1emet ad

relatioship 6uildi1 6ei1 de;eloped to esure project ;ia6ility2 *he iitial fidi1s

are ;ery optimistic2 ecessary 1o;ermet permits were already secured2

*his approach allows all the staeholders$ D'$ "!P$ adowers$ ")=s$ etc2 to

ha;e 6etter comfort ad ;isi6ility that our Ser;ice !otract will crystali8e ito a real

project ad ot remai Ji de;elopmetK for years2

PSI is a wholly owed Filipio corporatio ad was set up to fully focus o

de;elopi1 the Philippie Solar maret2 *he fouder Ms2 Maricel Motfort$ a hi1hly

successful ati;e of !adi8 ad curretly residi1 i Bacolod ad Maila$ is a lo19

stadi1 citi8e who has had e?tesi;e wori1 e?periece a6road ad has retured

6ac to the Philippies to tae a acti;e part i impro;i1 the li;es of the local

Filipios throu1h ;arious ifrastructure projects2 Ms2 Motfort is curretly acti;e withse;eral lar1e ifrastructure ad social de;elopmets throu1hout the Philippies2

*hese iclude medical facilities$ orphaa1es$ water9treatmetHpurificatio projects

ad lad L property i;estmets2 Bei1 a ;ery successful 6usiess lady$ she is a6le

to fully fud the professioal ad proper de;elopmet of these projects2

PSI has idetified Bacolod !ity as a suita6le site for the Solar project2 Bacolod has

a sta6le climate with ade7uate suli1ht throu1hout the year ad miimal ris of

hea;y typhoos or floodi12 ad is pletiful ad the local 1o;ermet a1ecies are

supporti;e of such a iitiati;e2

PSI has 6ee acti;ely de;elopi1 the project for the last @ moths ad focused o

securi1 the ri1ht lad locatio ad e1otiati1 with the ladowers to esure terms

ad coditios ad commercially ;ia6le for the project2 PSI has acti;ely e1a1ed

the local ")=s ad ha;e plaed for !SR acti;ities for the area oce the project

mo;es ahead2

System Impact Study for e1ros Ph Solar Ic2=s Pa1e 4



9/39

ad Status:

a/ Idetified ad secured appro?imately &50 hectares with the ladowers2 May

of the ladowers are promiet local 6usiess people with 1ood local

stadi12 ad ptios ha;e 6ee si1ed for most of them ad the rest will6e complete shortly ad ladowers are 6aci1 this project fully2 PSI has

;ery 1ood relatioships with all the ladowers2 I total PSI aims to secure

appro?imately %40 hectares to 6uild up to %00 MW2

6/ PSI had e1a1ed professioals to coduct

• Irradiatio Studies

• Flood studies

• *opo1raphical sur;eys

• Soil studies

• !oectio routi1 ad

• Plat layout desi1

*he site has ideal road access ad is relati;ely flat with little flood ris2 *he

lads will ot 6e a ico;eiece ay iha6itats2 *he ladlords ha;e

committed to esure the site will 6e pro6lem free ad we will e1a1e their

local idi;iduals where possi6le2

c/ *he lads idetified are outside the !,RP jurisdictio ad we ha;e o6taied

proper le1al ad;ice as well as ad;ice from the local ")=s o the proper

procedure to esure that the site is Solar ready2 *his has already 6ee

factored i our e;aluatio2

d/ *he lad titles ha;e also 6ee checed for ay ris of foreclosure or

ecum6races 6ei1 attached2

e/ PSI has also esured that there are o sesiti;e or eda1ered trees o the

site ad will ot eed ay special appro;al or process2

*his project proposes to coect to the 1rid throu1h a direct coectio to Bacolod

&34 + Su6statio2 Direct coectio had 6ee preferred 6y "!P to a;oid

complicati1 the 1rid 6ac6oe protectio system2

System Impact Study for e1ros Ph Solar Ic2=s Pa1e A



10/39

*he proposed coectio would i;ol;e costructio of appro?imately 325 m &34 +

trasmissio lie$ a tae9off su6statio at the power plat site ad modificatios at a

6ay i Bacolod Su6statio to accommodate etry of the proposed power plat2

!oductors for this lie should 6e >A5 M!M ,!SR e7uipped with appropriate

commuicatio facility to co;ey re;eue meter readi1 to "!P=s BacolodSu6statio2

%2 S*)D- ,SS)MP*IS

,2 D'M,D FR'!,S*

Based o the %0&3 *rasmissio De;elopmet Pla .*DP/$ there would relati;ely 6e

a si1ificat icrease i demad i +isayas "rid2 *a6le & shows the demad

projectios for the etire 1rid2 f 1reater iterest for this proposed project is the

demad i e1ros Islad where the proposed facility will 6e ijecti1 its power to the

1rid2 Bacolod Su6statio will 6e the mai corridor of this project2

*a6le &2 Demad Projectios for +isayas

Source: 2013 Transmission Development Plan

B2 "''R,*I '(P,SIS

Based o the Departmet of 'er1y=s list of proposed 1eerators$ the %0&3

*rasmissio De;elopmet Pla idetified the 1rid reiforcemets eeded to cater

the icomi1 1eerators2 *he status of 1eerator de;elopmet are classified 6y the

Departmet of 'er1y as J!ommittedK$ JIdicati;eK ad JProspecti;eK2 *he

1eerators cosidered i the study is show i Fi1ure &$ correspodi1 ta6le is

show i *a6le %2

System Impact Study for e1ros Ph Solar Ic2=s Pa1e &0



11/39

Fi1ure &2 "eeratio !apacity ,dditios i +isayas

*a6le %2 "eerator !apacity ,dditios for +isayas

System Impact Study for e1ros Ph Solar Ic2=s Pa1e &&



12/39

!2 *R,SMISSI '(P,SIS

Major de;elopmets i e1ros islad icluded i the %0&3 *DP are as follows:

&2 e1ros9Paay Itercoectio )prati1

%2 e1ros + *rasmissio ie Project

32 +isayas Su6statio '?pasio I .a6a1ala & ? 50 M+,/


13/39

D2 "RID !D' R')IR'M'*S

*he proposed project=s performace was e;aluated 6ased o the criteria set 6y the

Philippie "rid !ode$ utili8i1 1rid dispatch sceario where power plats ear the project

were set at ma?imum dispatch to reflect the worst impact of the project to the 1rid2

Steady state ;olta1e ad thermal aalyses e?amied system performace without the

proposed project i order to esta6lish a 6aselie data2 System performace was re9

e;aluated with the project ad compared with the pre;ious 6aselie performace to

demostrate the impact of the project o area trasmissio relia6ility2

*he ;olta1e limits adopted i this study were i compliace with the P"! which

re7uires that duri1 ormal ad si1le outa1e coti1ecy coditios$ the ;olta1e

should 6e withi the ra1e of 02A5 to &205 per uit2 For the thermal limits$ ormal

thermal rati1s shall ot 6e ;iolated uder all9lies9i ad si1le outa1e coti1ecy

coditios2 *he steady state aalysis was performed with 6oth pre9coti1ecy ad

post9coti1ecy solutio parameters that allow adjustmet of load tap9cha1i1

trasformers .*!s/$ static ;ar de;ices .S+Ds/ icludi1 switched capacitors ad

phase a1le re1ulators .P,Rs/2

For short circuit studies$ resulti1 three phase fault should ot e?ceed the le;els

show i *a6le 32 *hese rati1s are the stadard fault duty rati1 of circuit 6reaers

coected to the 1rid2

*a6le 32 Power !ircuit Breaer Fault Duty Rati1

+olta1e Be;elRated Short !ircuit !urret

.,/

@A + %5

E@A+ &34 + 3&25

E%30 +


14/39

&2 *he "rid remais sta6le after ay Si1le uta1e !oti1ecy for all

forecasted oad coditios ad

%2 *he "rid remais cotrolla6le after a Multiple uta1e !oti1ecy2 I the

case of "rid separatio$ o total 6lacout should occur i ay Islad "rid2

I this study howe;er$ oly sta6ility uder si1le outa1e coti1ecy coditios were

e;aluated2

,pplied faults were cleared .ormal cleari1/ i compliace with the re7uiremets of

the P"! Sectio


15/39

2e#erati#& Li.it 3"*er Out!ut

*he proposed power plat should cotiuously supply acti;e ad reacti;e power

depedi1 o the a;aila6ility of primary source withi the fre7uecy ra1e of 5A2>9

@023 C82 It should 6e capa6le of itercha1i1 reacti;e power at coectio poitwithi N5O ;olta1e ;ariatio2 utside this ra1e ad up to N&0O ;olta1e ;ariatio$ a

reductio i acti;e adHor reacti;e power may 6e allowed up to 5O of the 1eerator=s

declared data2

Fre4ue#c' 5ith$ta#% Ca!abiit'

*a6le < shows the allowa6le power plat fre7uecy respose2

*a6le


16/39

3erf"r.a#ce %uri#& Net*"rk Di$turba#ce$

*he allowa6le ;olta1e ride9throu1h for the power plat is show i Fi1ure 32

Fi1ure 32 ow +olta1e Withstad !apa6ility Re7uiremet for ar1e Photo;oltaic

Systems

6"ta&e C"#tr" S'$te.

*he proposed power plat shall 6e capa6le of cotri6uti1 ;olta1e cotrol 6y

cotiuous re1ulatio of the reacti;e power supplied to the 1rid uder power factor

cotrol mode wherei power factor is maitaied at the coectio poit or ;olta1e

cotrol mode wherei ;olta1e at the hi1h ;olta1e 6us6ar of the proposed power plat

is maitaied at a costat set9poit2

Acti0e 3"*er C"#tr" S'$te.

*he proposed power plat shall 6e capa6le of acti;e power cotrol to operate uder

free acti;e power productio .o acti;e power cotrol/ or uder acti;e power

costrait2

System Impact Study for e1ros Ph Solar Ic2=s Pa1e &@



17/39

3"*er Quait'

With the proposed power plat coected to the system ad uder ormal operati1

state$ the Flicer Se;erity ad *otal Carmoic Distortio at the coectio poit shall

ot e?ceed the ;alues prescri6ed 6y the P"!

*he proposed power plat will demostrate compliace with these re7uiremets

throu1h testi1 to 6e coducted pursuat to Sectio 32%232

32 PRPS'D !'!*I ,RR,"'M'* ,D S-S*'M

MD'I"

I Fi1ure < is show the proposed coectio for the project2 *his coectio

cosists of &34 + trasmissio lie directly coected to Bacolod &34 +

Su6statio2 *he project will 6e e7uipped with a tae9off su6statio at the power plat

site coected to a mai 6ay at Bacolod Su6statio2 *he project=s 1eo1raphic

locatio is show i Fi1ure 52

Proposed Power Plant

Fi1ure



18/39

3.5 km 138 kV transmission line

Take-off Substation

Fi1ure 52 "eo1raphic ocatio of the Project

*he techical specificatios used to model the proposed coectio assets of PSI

solar power plat project are show i *a6le 5 to *a6le >2

*a6le 52 umped "eerator Specificatios

Power

Reactive Capability atCapability Remarksull !ispatch ("VAR)

("#)

Pma$ Pmin %ma$ %min R Source ( Source

50 0 0 0 0 AAAAARefer to PSSH'

P+ Modelli1

"uide

*a6le @2 "eerator *rasformer

System Impact Study for e1ros Ph Solar Ic2=s Pa1e &4



19/39

& (pu)

!escription 'ap RatioPresent "VA 'ap

R (pu)based on

'ap Rating Steps System

"VA

"rid %%H&34!eter @5 5 0 02&>4@%0

*rasformers DH-

*a6le >2 *rasmissio ie Data

Line ame 'ype LengthRate

R (pu) & (pu) (pu)("VA)

PSI tae9off G&34 +$ >A5

M!M 325 m &A@ 0200&540 02004>


20/39

Proposed 50 MW

Solar Power Plant

Fi1ure @2 '7ui;alet Model of the "rid i the +iciity of the Project

*he 50 MW 1eerator was modeled as lumped uit usi1 JP+")&K i the dyamic

sta6ility study while the electrical cotrols was modelled as JP+')&K2 Parameters for

the models are show i *a6le 4 ad *a6le A respecti;ely2 ther system dyamics

data were pro;ided 6y "!P2

*a6le 42 Dyamics Data for 50 MW umped "eerator )its

System Impact Study for e1ros Ph Solar Ic2=s Pa1e %0



21/39

*a6le A2 Dyamics Data for the 'lectrical !otrols


22/39

,2 *C'RM, ,SS'SSM'* G ,D'),!- I RM, !DI*IS

.P', !DI*IS/

*he results of the simulatios are 1i;e i *a6le &0 ad *a6le && for the %0&@ ad

%0%& 6ase cases respecti;ely2

*a6le &02 %0&@ *hermal ,ssessmet .Pea$ ormal oadi1/

Peak LoadCondition

Monitored ElementMVA Without With

Rating Sila SolarSilaSolar

MVA ! MVA !1 Solar Hi-Bacolod 138 ! 1"#$00 %&' 50$"0 (5$")

( Sa*+oan-Pondol 138 ! 108$0 8$"1 )8$5" "3$) 8#$51

3 Pondol-'*lan 138 ! 1"#$00 8$)( 3$(( "3$(# )$58

'*lan Hi-'*lan SP 1"#$00 13($"( #)$8( 15($) ))$"3

5 '*lan-Ma+inay 138 ! 1"#$00 15$33 )$8( ($)1 1($#1

# a+analan-Bacolod 138 ! 1"#$00 10$# 5$3 (0$00 10$(0

)

Bacolod-.$ B$ Magalona 138! /1 1"#$00 (0$(0 10$31 1$ )$3)

8

Bacolod-.$ B$ Magalona 138! /( 3"($00 3$5# 8$8( ($3( #$(0

".B Magalona-Barotac !ieo138 ! 108$00 "$5) 5$"0 $0( 0$)#

10 Barotac !ieo-ingle 138 ! 1"#$00 )$0 ($18 5)$33 ("$(5

11Barotac !ieo-Concepcion138 ! 3"($00 "5$ ($35 "0$(8 (3$03

*a6le &&2 %0%& *hermal ,ssessmet .Pea$ ormal oadi1/

Peak LoadCondition

Monitored ElementMVA Without With

Rating Sila SolarSilaSolar

MVA ! MVA !

1 Solar Hi-Bacolod 138 ! 1"#$00 %&' 50$" (5$""

( Sa*+oan-Pondol 138 ! 108$0 #"$#0 #$( 8"$3( 8($#)

3 Pondol-'*lan 138 ! 1"#$00 #"$5 35$3 8"$0" 5$5

'*lan Hi-'*lan SP 1"#$00 ")$#" "$8 1)$0" )5$05

5 '*lan-Ma+inay 138 ! 1"#$00 #$03 3$08 (1$"3 11$1"

# a+analan-Bacolod 138 ! 1"#$00 #$3) 3$(5 (0$#8 10$55

)

Bacolod-.$ B$ Magalona 138! /1 1"#$00 ()$08 13$8( ()$58 1$0)

8

Bacolod-.$ B$ Magalona 138! /( 3"($00 ($8( 10$"( 3$(( 11$03


23/39

"

.B Magalona-Barotac !ieo138 ! 108$00 )$"0 $35 )$0( 3$5

10 Barotac !ieo-ingle 138 ! 1"#$00 ()$#) 1$1( ()$1 13$"8

11Barotac !ieo-Concepcion138 ! 3"($00 8($#( (1$08 8($#" (1$0"

System Impact Study for e1ros Ph Solar Ic2=s Pa1e %%



24/39

B2 *C'RM, ,SS'SSM'* G ,D'),!- I SI"' )*,"'

!DI*IS .P', !DI*IS/

*hermal 9& ade7uacy assessmets are 1i;e i ad *a6le &% ad *a6le &3 for

%0&@ ad %0%& 6ase cases2 *he 7uatity of 1rid loadi1 ;iolatios duri1 this

coti1ecy coditios essetially remaied the same2

*a6le &%2 %0&@ *hermal ,ssessmet .Pea$ 9& oadi1/

Peak LoadCondition

Monitored ElementMVA Without

With

Rating Sila Solar Sila SolarMVA ! MVA !

1 Solar Hi-Bacolod 138 ! 1"#$00 %&' 50$") (#$01

( Sa*+oan-Pondol 138 ! 108$0 1#5$"# 153$#1 18($5 1#8$"#

3 Pondol-'*lan 138 ! 1"#$00 1#$"3 8$15 181$ "($5)

'*lan Hi-'*lan SP 1"#$00 (1($)8 108$5# (3($55 118$#5

5 '*lan-Ma+inay 138 ! 1"#$00 55$(" (8$(1 #5$# 33$0

# a+analan-Bacolod 138 ! 1"#$00 51$1 (#$0" #1$# 31$5

)

Bacolod-.$ B$ Magalona 138! /1 1"#$00 85$03 3$38 5)$" ("$33

8 Bacolod-.$ B$ Magalona 138! /( 3"($00 #$"3 1#$5# 5$#) 13$"5

"

.B Magalona-Barotac !ieo138 ! 108$00 "8$30 "1$0( #"$33 #$1"

10 Barotac !ieo-ingle 138 ! 1"#$00 "$)5 8$3 11#$50 5"$

11Barotac !ieo-Concepcion138 ! 3"($00 1"0$35 8$5# 180$1) 5$"#

*a6le &32 %0%& *hermal ,ssessmet .Pea$ 9& oadi1/

Peak LoadCondition

Monitored ElementMVA Without

With

Rating Sila Solar Sila Solar

MVA ! MVA !

1 Solar Hi-Bacolod 138 ! 1"#$00 %&' 50$" (#$0"

( Sa*+oan-Pondol 138 ! 108$0 13#$01 1(5$8" 8"$3( 1#1$5

3 Pondol-'*lan 138 ! 1"#$00 135$0 #8$"0 8"$0" 88$3)

'*lan Hi-'*lan SP 1"#$00 1)#$#( "0$11 1)$0" 11$35 '*lan-Ma+inay 138 ! 1"#$00 8($(5 1$"# (1$"3 31$33

# a+analan-Bacolod 138 ! 1"#$00 8($#5 ($1) (0$#8 30$"8

)

Bacolod-.$ B$ Magalona 138! /1 1"#$00 103$(5 5($#8 ()$58 5($"5


25/39

8

Bacolod-.$ B$ Magalona 138! /( 3"($00 )1$3" 18$(1 3$(( 18$3#

"

.B Magalona-Barotac !ieo138 ! 108$00 10"$)1 101$58 )$0( "8$8"

10 Barotac !ieo-ingle 138 ! 1"#$00 101$ 51$)# ()$1 51$)0

11Barotac !ieo-Concepcion138 ! 3"($00 1#3$85 1$80 8($#" 1$80




26/39

!2 +*,"' ,SS'SSM'* I RM, !DI*IS .P',/

+olta1e assessmet coducted o the system idicated that the etry of the project

will ot result to ;olta1e ;iolatios i the 1rid2 *a6le &< ad *a6le &5 preset theresults of ;olta1e assessmet for the %0&@ ad %0%& 6ase cases respecti;ely2

*a6le &


27/39

*a6le &52 %0%& +olta1e ,ssessmet .Pea$ ormal oadi1/

Peak LoadCondition

MonitoredSu"stations

Without

Wit

hSila Solar Sila Solar

#kV$ #%.u.$ #kV$#%.u.

$

3 2%PHSH4 138$000 %&' 1$0055 138$)5

(()#01 C6/6%138$0

0 1$00"3 13"$(8 1$00## 138$"1

(())00S'MB6'% 138$00 0$""8) 13)$8( 0$""18 13#$8)(35500B'C6/6 #"$000 1$00) #"$51 1$00 #"$30

System Impact Study for e1ros Ph Solar Ic2=s Pa1e %<



28/39

(35501B'C6/6 #"$000 1$00) #"$51 1$00 #"$30

(3)100P6%6/ 138$00 1$0033 138$# 1$0003 138$0(3)101

P6%6/ 138$00 1$0033 138$# 1$0003 138$0(3)(00'M/'% H4 138$00 0$"""1 13)$88 0$""#3 13)$"(3)(01 'M/'%SP 138$00 0$"""1 13)$88 0$""#3 13)$"(3)300 M'BH4

138$00 1$003( 138$ 0$"""" 13)$""

(3)00-'B'%-'/ 138$00 1$005( 138$)( 1$001" 138$(#

(3)500B'C6/6 138$00 1$008 13"$1# 1$005# 138$))

(3)800.BM'71 138$00 1$0183 10$53 1$01# 10$(#

(3)801.BM'7( 138$00 1$0(15 10$") 1$01") 10$)(

()100 BC !4.9 138$00 1$0(33 11$(( 1$0(1# 10$"8

()(004%7/.

138$00 1$010) 13"$8 1$00"8 13"$35

())00C%CPC46% 138$00 1$0330 1($55 1$03(0 1($(

D2 +*,"' ,SS'SSM'* I SI"' )*,"' !DI*I .P',

!DI*IS/

Results of ;olta1e assessmet duri1 coti1ecy coditios are show i *a6le &@ ad

*a6le &> for the %0&@ ad %0%& 6ase cases respecti;ely2 o de;iatios from the P"!

prescri6ed limits are e?pected upo the etry of the proposed project to the 1rid2

*a6le &@2 %0&@ +olta1e ,ssessmet .Pea$ 9& oadi1/

Peak LoadCondition


Without

With

Sila Solar Sila Solar

Mi

n Ma& Min Ma&

3 2%PHSH4 138$000 %&' 0$""#1 1$0((

(()#01 C6/6%

138$0

0

0$")5

0$"")

1 0$")8 0$""58(())00S'MB6'% 138$00

0$")3

1$003 0$"#" 1$0035

(35500B'C6/6 #"$000

0$"")0

1$03(# 1$000# 1$030

(35501 #"$000 0$"") 1$03( 1$000# 1$030


29/39

B'C6/6 0 #

(3)100P6%6/ 138$00

0$"8""

1$00#8 0$"883 1$00##

(3)101P6%6/ 138$00

0$"88"

1$00#" 0$"8) 1$00#)

(3)(00 'M/'%H4 138$00 0$"88" 1$003( 0$"8) 1$00(8(3)(01 'M/'%SP 138$00

0$"88"

1$003( 0$"8) 1$00(8

(3)300 M'BH4

138$0

0

0$""3

1$011 0$"8"3 1$01(5

(3)00-'B'%-'/ 138$00

0$"")(

1$0(08 0$""3" 1$01"

(3)500B'C6/6 138$00

0$""()

1$0(35 0$""#1 1$0((

(3)800

.BM'71 138$00

0$"""

5

1$0()

) 0$"") 1$0(8)(3)801.BM'7( 138$00

0$""1

1$0()0 0$"")# 1$0()3

()100 BC !4.9 138$001$00#

01$0()) 1$00# 1$0()#




30/39

()(004%7/.

138$00 1$005 1$0(10 1$0033 1$0(03

())00C%CPC46% 138$00 1$01" 1$0(8( 1$010 1$0(80

*a6le &>2 %0%& +olta1e ,ssessmet .Pea$ 9& oadi1/

Peak LoadCondition


Without WithSilaSolar Sila Solar

Mi

n Ma& Min Ma&

3 2%PHSH4 138$000 0$"#1(1$0155

(()#01C6/6%

138$00

0$"""" 1$013( 0$"")3

1$010)

(())00S'MB6'% 138$00 0$"8( 1$00( 0$")1#

1$00(8

(35500B'C6/6 #"$000 0$"# 1$0(5 0$"5)

1$01"5

(35501B'C6/6 #"$000 0$"# 1$0(5 0$"5)

1$01"5

(3)100P6%6/ 138$00

0$"888 1$00#) 0$"8#(

1$00#

(3)101P6%6/ 138$00

0$"8)" 1$00#) 0$"853

1$00#

(3)(00'M/'% H4 138$00

0$"8)" 1$00() 0$"853

1$0003

(3)(01 'M/'%SP 138$00

0$"8)" 1$00() 0$"853

1$0003

(3)300 M'BH4

138$00

0$"805 1$01 0$"838

1$00)5

(3)00-'B'%-'/ 138$00

0$"801 1$0153 0$")))

1$01(5

(3)500B'C6/6 138$00

0$"#)5 1$01"" 0$"#13

1$0155

(3)800.BM'71 138$00

0$""01 1$0()" 0$"8##

1$0(#(

(3)801.BM'7( 138$00

0$"#8" 1$0(8) 0$"#()

1$0(5"

()100 BC !4.9 138$001$005

1$0301 1$00#1$0()5

()(004%7/.

138$00

0$""1 1$01#8 0$"")5

1$015

())00

C%CPC46% 138$00

1$0((

1 1$03)1 1$0(1)

1$035

5


31/39

52 F ,)* '+' ,,-SIS

*he fault curret assessmet determied the fault le;el at ;arious 6usesHsu6statios

i the 1rid i the ;iciity of the proposed power plat2 *he etry of the proposed

project would ot result to fault curret e?ceedi1 the allowa6le le;els2 *he resulti1

short circuit currets are show i *a6le &42 *a6le &A shows the short circuit M+, at

the power plat hi1h ;olta1e su6statio2

System Impact Study for e1ros Ph Solar Ic2=s Pa1e %@



32/39

*a6le &42 Short !ircuit Rati1 of Selected Su6statios i the "rid

Peak LoadCondition

Su"station Without With

Sila Solar Sila Solar

'()* '(') '()* '(')

3 2%PHSH4 138$000 %&' 13,80)$0 %&'13,50$0

0(3)500

2B'C6/6 138$00 8,()"$(0 8,13$)0 8,3#1$50 8,00"$80

(35501

2B'C6/6 #"$000

10,118$(0 ","5#$3010,(00$30 ",))"$30

(3550

0

2B'C6/6

#"$000

10,118$(

0 ","5#$3010,(00$30 ",))"$30(3)800 2.BM'71 138$00

#,)00$0 #,#13$0 #,)30$80 #,)($00

(3)801 2.BM'7( 138$00 ",8"#$80 ",)#1$"010,0(5$)0 ",#58$50()100 2BC !4.9 138$00

10,50$30 10,30)$)010,5""$50

10,(18$"0

())00

2C%CPC46% 138$00

","1)$10 ",80#$)010,0)3$#0 ",))3$)0

()(00 24%7/.

138$00

10,"8)$80 10,858$"011,1)"$00

10,)80$30

(3)002-'B'%- '/ 138$00 5,))1$00 5,)01$80 5,)5"$00 5,5)8$"0

(3)300 2M'B H4

138$00

5,)3)$0 5,#)"$#0 5,)1($(0 5,55"$#0

(3)(00

2'M/'%H4 138$00

8,(8)$"0 8,(()$#0 8,()"$(0 8,111$80

(3)(01

2'M/'%SP 138$00

8,(8)$"0 8,(()$#0 8,()"$(0 8,111$80

(3)100 2P6%6/ 138$00

),3$0 ),3)"$"0 ),1)$(0 ),(##$50

(())00

2S'MB6'% 138$00

),53$)0 ),388$"0 ),8$(0 ),()3$00

(()#01 2C6/6%

138$00

(0,813$#0 (0,)50$50((,803$"0

((,55($80

*a6le &A2 Short !ircuit M+, at Power Plat SHS .Pea oadi1/

Short Circuit MVA and +,R

at Solar *-kV us

Peak Load Condition

'()* '(')MVA +,R MVA +,R

1,#50$15 $8#1# 1,#18$1" $3##)


33/39

System Impact Study for e1ros Ph Solar Ic2=s Pa1e %>



34/39

@2 S*,BII*- ,SS'SSM'*

Sta6ility aalysis assessed the impact of the project to the trasiet sta6ility performace

of the 1rid2 *he aalysis was 6ased o the assumptios ad methodolo1y descri6ed i

the pre;ious sectios2 *he sta6ility plots are icluded i the ,ppedices2

*he 39phase faults were applied o trasmissio lie se1mets followed 6y

trippi1Houta1e of the se1mets at ormal ad delayed cleari1 times2

*he se1mets where faults were applied are as follows:

&2 Fault at Solar Ci9Bacolod &34 + ie with *rippi1

%2 Fault at Bacolod9'BM,"& &34 + ie with *rippi132 Fault at Bacolod9'BM,"% &34 + ie with *rippi1

400/


35/39

*he results of the sta6ility simulatio idicated accepta6le respose of the system

parameters with the proposed facility ite1rated$ dampi1 mostly withi the first te

.&0/ secods after the applicatio of fault2 *he summary of dyamic sta6ility

simulatios is show i *a6le %0 for scearios with the power plat2

*a6le %02 Summary of Dyamic Sta6ility Simulatios with Power Plat

Status o* +rid

Applied ault,-./ ase Case ,-,. ase Case

ormal !elayed ormal !elayed

Clearing Clearing Clearing Clearing

B)S F,)*S

&2 Bus Fault at PCSCI &34 + Bus .3/Sta6le Sta6le Sta6le Sta6le

%2 Bus Fault at B,!D &34 + Bus .%3>500/Sta6le Sta6le Sta6le Sta6le

32 Bus Fault at 'BM,"& &34 + Bus .%3>400/Sta6le Sta6le Sta6le Sta6le


36/39

@2 Fault at Bacolod9BR"S *,P @A + ie with

Sta6le Sta6le Sta6le Sta6le*rippi1

>2 Fault at Bacolod &34H@A + *rasformer .*&/ with


42 Fault at a6aala9Ma6iay CI &34 + ie with


A2 Fault at ,mla CI9Ma6iay CI &34 + ie with


>2 FR')'!- ,SS'SSM'*

Fre7uecy assessmet e;aluates if the loss of the proposed power plat will ot cause

the fre7uecy to drop 6elow 5A2< C8 fre7uecy limit set 6y P"!2 For %0&@ ad %0%&

6ase cases$ the fre7uecy will ot fall as low as 5A2< C82 *he outa1e of the proposed

power plat will ot result to ,utomatic oad Droppi1 .,D/2 Fi1ure > ad Fi1ure 4

shows the results of fre7uecy assessmets for %0&@ ad %0%& 6ase cases respecti;ely2

System Impact Study for e1ros Ph Solar Ic2=s Pa1e 30



37/39

Fi1ure >2 Fre7uecy ,ssessmet$ %0&@ Pea Base !ase

Fi1ure 42 Fre7uecy ,ssessmet$ %0%& Pea Base !ase

System Impact Study for e1ros Ph Solar Ic2=s Pa1e 3&



38/39

42 S)MM,R- ,D !!)SIS

*his study was coducted to assess the impact of the proposed 50 MW Felisa Solar

Power Project o the relia6ility$ sta6ility ad operati1 characteristics of the +isayas

"rid2 Steady state$ sta6ility ad short9circuit coditios were aaly8ed2 Proposed

coectio for this project is a direct coectio to Bacolod &34 + Su6statio2

Steady state assessmet with the project i9ser;ice showed o si1ificat ;olta1e or

thermal ;iolatios of relia6ility criteria2 !osideri1 the priority dispatch of itermittet

R' "eerators$ thermal loadi1 of elemets i the 1rid will remai withi P"!

re7uired limits2

Short circuit aalyses cocluded that the project did ot alter ad;ersely the shortcircuit duties of the 6aselie system2

*rasiet sta6ility assessmet simulated a set of faults2 oe of the faults tested

showed usta6le respose of the system with the project ite1rated2

Fre7uecy assessmet showed that the system fre7uecy will ot drop as low as

5A2< C8 with the outa1e of the proposed power plat2 ,utomatic oad Droppi1 is

ot e?pected duri1 this loss9of91eeratio sceario2

,s a 1eeral coclusio$ this System Impact Study re;ealed that the additio of the

50 MW Felisa Solar Power Project has o si1ificat system impact to the sta6ility$

relia6ility$ ad operati1 characteristics of the +isayas "rid2 *he proposed project

could 6e safely ad relia6ly ite1rated to +isayas2

System Impact Study for e1ros Ph Solar Ic2=s Pa1e 3%



39/39

,PP'DI!'S

draft-sis negros ph solar inc. 50 mw solar project(1)(1)

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