Protection Coordination Analysis

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Power System Pr Protec tion ion Co Coordinat ination ion with ith Redund undant Relay lay Ap Applica lication ion in Switc hgear and MCC MC C Presenter Shefian Bin Md Dom (HG (HG E120021) Supervisor Dr. Ab Halim Bin Abu Bakar

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:: Presentation ion Out Outline lines :: 

Introduction

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Pro Pro b le m St Sta tement

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Research Objectives

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Re sult & Disc Disc us uss sion ion

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Conclusion

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:: Int Introduc tion :: The oper operati ation of the prot protect ec tion syst ystem shoul ould be fast ast and and shoul ould

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isolat olate e onl only the fault aulty sect ec tion in the short ortest est poss possible ble time to ach ac hieve min minimu imum dist disturban banc e to the syst ystem.

Fail ailure of a protect ective relay elay c an resu esult in devas devasttati ating equ equipmen pmentt

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damage damage and and prolon olonge ged d dow downtime as faul ault travel avel further deep deep into power power syst ystem struc ture from the ac tual fault ault locat oc ation ion..

This

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c an be prevented by having optimum c oordin oordina ation betw between een prot protec ecttion equipmen equipmentt.

protec tion

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:: Int Introduc tion ::

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Old-Timer Tools !

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Old-Timer Tools !

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Old-Timer Tools !

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Old-Timer Tools !

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Today Tools !

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:: Problem Statement :: Gener eneral allly, opt optimum protect ection c oo oor rdin dinati ation study will ens ensure

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nearest est protecti ection devi evic es to resp espons onse agai again nst faul ault in shortest est poss possible ble time within acc ac c eptable eptable gradin grading g margi argin n.

Protect ec tion c oordin dinati ation study requi equire c om ompl pliic ated ated anal analys ysis and and

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long duration of time will involved as short-cir -circui cuit anal analy ysis and and prot protec ecttion gradin grading g must be c omplet omplete e togeth ogether. er.

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aulty on main ain protecti ction relay, ay, there must be a  n the even of faul redu edundant ant relay with proper protecti ection c oordinati ation to ens ensure c om omp plete isolat olatiion of faul ault from travel avel further into pow ower er system network.

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:: Researc h Objec bjec tives ::

1.

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To desc esc ribe methodol odolo ogy requ equired to ach ac hieve eve protecti ection c oordin oordina ation in powers power syst ystem netw etwork. ork.

perform orm full analysis using SKM sof ofttware are in order order to ach ac hieve 2. To perf

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prot protec ecttion c oordi oordin nati ation betw between prot protec ecttion devic devic es. es.

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To eval evalu uate ate the suitabil ability of introduc oduc ing redun edundant dant relay elay in the existing power system network from the asp aspect of proper prot protec ecttion c oo oor rdina dination. ion.

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:: Methodol odology :: 1 2 3 4 5 6

• Study Pr Protec otecttion C oo oorrd inati nation on C onc oncep eptt • Fa mi mili lia a riza ti tio o n of of Powe Powerr Sys ystem tem Ana A nallys ysiis So ftwa ftwarre • Tec hn hniic a l Da ta C ol olllec tion • Per Perfor form m Pro Pro tec tio n C o o rd ina nattion A na nallysis • Revi eview ew wi witth Indus ndusttria l Expe perrt & Pr Profes ofess siona onall • Pr Prod oduc uce e Protec Protec tion Coo C oorrd ina nattion Rep Repor ortt

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:: Result& ult & Disc isc uss ussion ion :: Network Modelling C o o rd ina nati tio o n Ba Ba sis Fa ul ultt Le Le ve vell Ana Anallys ysiis Devi De vic c e Plu Plug g Sett ttiing Pro Pr o tec tio n Co C o o rd ina nattio n

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Networ Ne twork k M o d e lling

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The The networ network k modell mod elliing is is repl ep lic a tion of a c tua tua l network network p a ra meters meters fro fro m few d iffe ffe re nt pr p ro je c ts. ts. 

Lynas Phase 2 (LampsUp), Onshore Malaysia.

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PKN PTA, Wloclawek, Onshore Poland.

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Petro Petro fac FPS PSO O Bera era nta nta i & Well Wellhea d , Off O ffs shore hore Malaysia Petro Petro nas na s Pla Pla tfo tfo rm Bekok Bekok C , O Off ffs shore hore M a la ys ysiia

The The anal ana lysis a p p roa c h c onsi onsist of rea rea l pa ra meter meters s from from listed p rojec ts d ed ic a te for c onc ep tua tua l stud tud y purp purp o se a nd no c ommerc ommerc ia l value. value. Divide into Upstream (Switchgears) and Downstream (MCC)

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Networ Ne twork k M o d e lling

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bbb

Netwo Ne tworrk Mod Mo d e lling (Ups (Upstr tre e a m 33 33/ 11kV)

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Netwo Ne tworrk M o d e lling (U (Up p str tre e a m 33 33kV)

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Netwo Ne tworrk M o d e lling (U (Up p str tre e a m 11 11kV)

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Netwo Ne tworrk M o d e lling (Do (Downs wnstr tre e a m 0.4 0.4k kV)

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C o o rd ina nati tio o n Ba Ba sis

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C o o rd inati na tio o n ba b a sis is se t of informa informati tio o n to show ho w initi nitia al c crriteri teria a nd a ssumpti ump tio o n of of re re sp e c tive tive po p o wer we r netwo ne tworrk unde und e r d isc us uss sio n. Sa mpl mp le of o f Co C o o rd inati na tio o n Ba Ba sis: “The c o o rd ina “The nati tio o n mar ma rg in be b e twe twee e n re re la ys in se se rie s wil willl be mi mini nimum mum 0.30s”

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C o o rd ina nati tio o n Ba Ba sis

Coordination Basis

MCC Modules

General

C oordination oordination Margin

Plug Plug Sett etting

Discri criminat minatiion

Load Type

Starting Method

Tr Transfor ansformer mer

Protections

Apparent (VA) Load Load ed

Disc Disc rimina rimination tion

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Fa ul ultt Le Le vel Ana A nallys ysiis (C o mp mprre he hens nsiive)

Fault Level Analysis

IEC

ANSI

IEC60 IEC 60909 909

C ompr omp rehens ehe nsiive

IEC61 IEC 61363 363

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Sour urc c es of Fault Cur Curr rent

Utility

Generator

Synchrono ync hronous us Motor

Induction Motor

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Maximum Fault

Design Fa Fault

Three hree-Ph -Pha a se RMS RMS

Three hree-Ph -Pha a se RMS RMS

Fault (kA)

Fault (kA)

2LV8551A

62.121

80kA

2LV8551B

58.729

80kA

4MV8552

10.327

25kA

4MV8501

9.743

25kA

Switc hboa hboard

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The The ma ximum mum fault fault levels evels wil will b e d isc rimina minattio n marg marg in p oint. oint.

used us ed

in c oor oo rd ination nation

as

The The d efini efinittion of maxi maximum mum fault fault levels evels c ondi ond ition incl nc ludes ude s ful full loa d c apac ap ac ity, bus tie moment omenta a ry c lose ose duri during sync hroniz onization ation between between all all buses buses under Auto Auto Transf ansfer Swit witc h (ATS (ATS) and generator generator oper ope ra ted.

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Devi De vic c e Plug Se Se tt ttiing (A (ANS NSII 51 51 O C ID IDM M T)

SKM

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Devi De vic c e Plug Se Se tt ttiing (A (ANS NSII 51 51 O C ID IDM M T)

SKM

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Devi De vic c e Plug Se Se tt ttiing (A (ANS NSII 50 50 O C DT DT))

SKM

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Protec Pr otecttion C oo oorrdin dina a tion (L (LV/ V/ M C C )

M NS NSiS iSS Sta tarrter

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Protec rotec tion: ANS ANSI 49 Thermal Ove Overloa rload d This his func func tion tion is is used used to protec protec t equipment such uc h motors and transformers against overloads based on measur me asurement ement of the c urr urrent c onsumed onsumed..

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The cold c old c urve de deffines the protec tion tr protec tripp ipping ing time time ba based on zero heat rise.

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The hot hot c ur urve ve de defines fines the protec tion tr protec tripp ipping ing time time ba based on 100 % nominal heat rise.

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MNSiiS Fee MNS eede derr

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MNSiiS Fee MNS eede derr

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REF542+R-2LV R-2LV8551A 8551A

Protect ec tion: ANS ANSI 50/51 50/ 51 Phase Phase Over Overc urrent The phas pha se overc overc urr urrent protec protec tion tion func functi tion on is is three three-po -pole. le. It It picks pic ks up if one, two o r three three of the pha se c urr urrents rea c h the ope o perra tion tion set point.

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REF542+R-2LV R-2LV8551A 8551A

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Protec Pr otec tion C oo oorrd inati nation on (L (LV/ V/ M V)

REF542+ R-2LV8551A

Protec otecttion Grading with Full Disc Disc rim rimina inattion Tec hnique

REF542+ 4TR8560

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Protec otecttion Grading with Full Disc Disc rim rimina inattion Tec hnique

REF542+R-2LV R-2LV8551A 8551A Wellhead Platform

FPSO Berantai Vess Vessel el

6.6kV MV SWGR 0.4kV LV SWGR

0.4kV LV SWGR

FPSO Ve Vessel ssel A fl floa oati ting ng prod production, uction, stor torag age e and offl offloa oa ding (F (FPS PSO O) unitt is a fl uni floa oa ti ting ng ves ve ssel used used by the offs offshore hore oil o il a nd gas industry for the production, processing of hy hydr droc oc arbons and for stor torage age of oil

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REF542+R-2LV R-2LV8551A 8551A

Protec otecttion Grading with No Disc riminat imination ion Tec echnique hnique

REF542+ 4TR8560

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Protec otecttion Grading with No Disc riminat imination ion Tec echnique hnique

Sub ubs sta tati tio on 4




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Full Disc rimination

No Di Disc rimination

1) Suitab uitablle for implementati mplementation on wher whe re M V and a nd LV subs substati tatio o n llo o c a tio tio n very very far fr from ea e a c h oth o ther er..

1) Suitab uitablle for fo r implementa mplementati tion on wher whe re M V o r LV subs ub stati ta tio o n ex e xist in the sa me bui b uilld ing or o r a rea .

2)

2) Total otal time mar margi gin n wil will be sh short orter

Total otal time mar margi gin n wil will be lon longer ger

3) Fa ult ult isola tio tio n on either tra tra nsform nsforme er primary or secondary with respect to faul fa ultt loc loc a tion. tion.

3)

Fa ult ult is isola ola tion on both b oth tr tra ns nsfor form mer primary and secondary regardless fault location.

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Redunda dundant Relay lay of of ABB ABB SAC E PR123/ 123/P P

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Self-supplied (No external power required) Use mic mic ro p ro c esso r with Ro Ro g o wsk wsky C o il Senso nso r Simula imulati tio on se se c onda nd a ry inje injec tio tio n using using 5V USB USB EKIP KIP C B Re mote O p en / C lo se usi using Mo M o d b us RTU Ro b ust ust Desi Desig n and a nd C o mpac mpa c t in in s siize

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Redunda dundant Relay lay of of ABB ABB SAC E PR123/ 123/P P

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Protec otecttion Grading with Mix Discr Discriminat imination ion Tec echnique hnique

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Protec otecttion Grading with Mix Discr Discriminat imination ion Tec echnique hnique

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:: C onc lus lusion :: ::

1. At the end end of of this proje projec c t, the the comp c omplet lete e met methodolo hodology gy of

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prot prote ec tion coo c oor rdinat dination proce proc ess using using SK SKM soft softwar ware e c an be des desc ribed ibed st step by step. ep. Techn ec hnic ica al dat data at dedic dedica ated pow power syst ystem must be c ollec ollec ted and and lat later will will be modelle modelled d in SKM soft softwar ware e to replica lic ate the ac tual ual syst system. Then further ana analysi lysis s of shor shortt-c irc irc uit c urrent and pr prot otec ecttion compo c omponent nents c oo oor rdination dination req requi uir red. ed. Onc Once e c omplet omplete the pr prot otec ecttion coo c oor rdination dination rep repor ortt will will be prod produc uced ed for distribution purpose.

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2. The tetedious analysi nalysis s proce oc ess of prote protec tion co c oordinat dination st study

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c an eve even fur furtther her simplified implified in SKM softwar ware. Engi Engine nee er c an use use SKM Dapp Dappe er for short c irc irc uit analysi nalysis s then followed followed by SKM Ca C aptor for prot prote ec tion coo c oor rdinat dination ana analys lysis is.. There herefore pr prot ote ec tion coo c oor rdinat dination studies udies c omplet mpletely ac ac hieved hieved with with the help help of of SKM so softwar ware.

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3. Based on on SKM simula simulattion, it was was c onclude onc luded d tha thatt redundant undant

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relay elay ca c an be introduc oduce ed in the the exis existting power power syst ystem to to maximiz maximize e reliabilit liability y of the system. It wa was als also o proven proven in SK SKM Ca C aptor that hat redun edunda dant nt relay elay succ ucc essf essfully ully ac ac hieve hieve des desired prot protec ecttion coordination.

Protection Coordination Analysis

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