7/23/2019 Rekomendasi Setting 6 New Engines KSO BBC - HA - PK

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ENJINIRING PROTEKSI P3B SUMATERA

PLTMG PT BBC – PT HA – PT PK

TD 3 - GI TEL. LEMBU

DIBUAT OLEH : DIEVALUASI OLEH: DIESETUJUI OLEH : Page 1 of 2

IVO ASTUTY AMIRUDDIN

SETTING PROTEKSI TAMBAHAN 6 (ENAM) ENGINE PLTMG KSO BBC – HA –PK

Lokasi

KubikelProteksi

High/Low

SettCT Ratio

Proposal setting Rekomendasi setting PLN

Nilai

SettingKurva TMS Nilai Primer Nilai Sekunder Kurva TMS

Coupling di

Gardu

Induk

OCR

I> 2000/5 0.9 x In S INVERSE 2.51080 A (1,2 x CCC

kabel) 2.7 A (0.54 x In) IEC - SI 0.2

I>> 2000/5 1.5 x In S INVERSE 0.3 9000 A 22.5 A (4.5 x In) Definite(Instantaneous)

OCGR

Io> 2000/5 0.1 x In S INVERSE 0.5 50 A0.125 A (0.025 x

In)IEC - SI 0.1

Io>> 2000/5 0.3 x In S INVERSE 0.1 200 A 0.5 A (0.1 x In)Definite

(Instantaneous)

Incoming

dari GarduInduk

OCRI> 1250/5 0.6 x In S INVERSE 2 460 A (1,2 x CCC kabel)  1.84 A (0.368 x In) IEC - SI 0.23

I>> 1250/5 1.5 x In S INVERSE 0.5 BLOCKED BLOCKED BLOCKED

OCGRIo> 1250/5 0.1 x In S INVERSE 0.5 50 A 0.2 A (0.04 x In) IEC - SI 0.1

Io>> 1250/5 0.3 x In S INVERSE 0.1 BLOCKED BLOCKED BLOCKED

7/23/2019 Rekomendasi Setting 6 New Engines KSO BBC - HA - PK

http://slidepdf.com/reader/full/rekomendasi-setting-6-new-engines-kso-bbc-ha-pk 2/2

ENJINIRING PROTEKSI P3B SUMATERA

PLTMG PT BBC – PT HA – PT PK

TD 3 - GI TEL. LEMBU

DIBUAT OLEH : DIEVALUASI OLEH: DIESETUJUI OLEH : Page 2 of 2

IVO ASTUTY AMIRUDDIN

PROTEKSI ENGINEPROPOSAL REKOMENDASI PLN

SETTING WAKTU TUNDA SETTING WAKTU TUNDA

Overload power monitoring :

Overload power threshold 105% 0.1 sec 120% 5 sec

Monitor of load unbalance :

Load unbalance threshold 30% 0.1 sec 30% 10 sec

Overcurrent monitoring on:

Overcurrent threshold step 1 94% 60 sec 120% 60 sec

Overcurrent threshold step 2 103% 0.2 sec 130% 5 sec

Mains frequency monitoring:

Overfrequency f> threshold 51.5 Hz 0.5 sec 52 Hz 0.5 sec

Underfrequency f< threshold 47.5 hz 0.5 sec Confirmed

Main voltage monitoring:

Overvoltage V> threshold 440V 0.5 sec 440 V 5 sec

Undervoltage < threshold 340 V 0.5 sec 340 V 5 sec

Asymetry monitoring on ON OFF

Phase shift monitoring on ON OFF

df/dt monitoring on OFF OFF