1 / 89

RELAI ARUS LEBIH OVERCURRENT RELAY

RELAI ARUS LEBIH OVERCURRENT RELAY. FUNGSI SEBAGAI PENGAMAN UTAMA ATAU CADANGAN UNTUK GANGGUAN HUBUNG SINGKAT FASA – FASA FASA – TANAH APLIKASI PENGAMAN UTAMA JTM ( DISTRIBUSI ) GENERATOR ( Kapasitas kecil )

kovit
Download Presentation

RELAI ARUS LEBIH OVERCURRENT RELAY

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. RELAI ARUS LEBIH OVERCURRENT RELAY

  2. FUNGSI SEBAGAI PENGAMAN UTAMA ATAU CADANGAN UNTUK GANGGUAN HUBUNG SINGKAT FASA – FASA FASA – TANAH APLIKASI PENGAMAN UTAMA JTM ( DISTRIBUSI ) GENERATOR ( Kapasitas kecil ) TRAFO DAYA ( Kapasitas kecil ) MOTOR MOTOR BESAR SEBAGAI PENGAMAN CADANGAN

  3. PENGERTIAN RELAI ARUS LEBIH SUATU RELAI YANG BEKERJANYA BERDASARKAN ADANYA KENAIKAN ARUS YANG MELAMPAUI NILAI SETTINGNYA .

  4. JENIS RELAI ARUS LEBIH • NON DIRECTIONAL • DIRECTIONAL • KONTROL TEGANGAN • PENAHAN TEGANGAN

  5. KARAKTERISTIK @ ARAH 1. TIDAK BERARAH ( NON DIRECTIONAL ) 2. BERARAH ( DIRECTIONAL ) @ ARUS – WAKTU 1. TANPA TUNDA ( MOMENT = INSTANT ) 2. TUNDA WAKTU ( TIME DELAY ) # DEFINITE ( TERTENTU ) = INDEPENDEN # INVERSE ( I – t BERBANDING TERBALIK ) = DEPENDEN SI / NI = Standard / Normal Iverse VI = Very Inverse EI = Exteremely Inverse LTI = Long Time Invers

  6. KARAKTERISTIK INSTANT = MOMENT I

  7. KARAKTERISTIK TUNDA WAKTU TERTENTU ( DEFINITE TIME ) t I

  8. KARAKTERISTIK TUNDA WAKTU INVERSE INVERSE KURVA (TMS / Td )

  9. KARAKTERISTIK KOMBINASI INSTANT DENGAN TUNDA WAKTU TERTENTU (DEFINITE TIME ) t I

  10. KARAKTERISTIK KOMBINASI INSTANT DENGAN TUNDA WAKTU INVERSE t I

  11. TIPE PLUNGER KONTAK PLUNGER PEGAS Fp 0.6 BELITAN 0.8 Fe 1.0 1.2 INTI LUAR SETTING Faktor Pabrik Fe = GAYA ELEKTROMEKANIK Fp = GAYA PEGAS Fe < Fp DROP OFF Fe > Fp PICK UP

  12. TIPE KWH KUMPARAN LAGGING PIRINGAN Is KUMPARAN UTAMA I Mempunyai karakteristik Inverse

  13. SETTING ARUS DAN WAKTU TAP / PLUG SETING TAP SETTING ARUS DARI CT KUMPARAN UTAMA KONTAK DIAM DENGAN MENGATUR JARAK KONTAK TIME DIAL SETTING KONTAK GERAK

  14. TIPE RELAI STATIK SUPLAI DC A CT RECTIFIER I LEVEL DETECTOR R SETTING RELAI BANTU

  15. BLOK DIAGRAM RELAI ARUS LEBIH STATIK CURVE SHAPER FILTER CS R F F Ia Is MAX I GATE & RECT. RL Ib LD 1 LD 2 T 1 Ic Is INSTANT RL LD 3 3 LD = LEVEL DETECTOR T = TIMER R = REGULATOR SETTING INSTANT IBA DOC

  16. HS OUTPUT RELAY STATIC OVER CURRENT RELAY MCGG OUTPUT DRIVER TIME / CURRENT OUTPUT RELAY HS TIME 0.4/0 FULLWAVE RECTIFIER MICRO COMPUTER 0.2/0 INTERPOSSING CT 0.2/0 0.1/0 0.05/0 INPUT 0.05/0.025 TMS SWITH SETTING A/D 16/0 8//0 0.2/0.1 0.4/0 0.8/0 4//0 0.2/0 0.4/0 2/0 1/0 CURRENT SETTING HIGH SET SWITH SETTING CURVE SELECT SWITCH IBA DOC

  17. A B C E INST INST t t NAME PLATE I > Is I > Is RESET KARAK TERISTIK RELAI OCR / GFR TIPE MCGG 82 IBA DOC

  18. PRINSIP/CARA SETTING OCR # Iset Tunda waktu ( I > /Io>) * Is = k In In = Arus Nominal k = Faktor pabrik ( 1 s/d 2 ) atau 0,05 s/d 2,4 dengan step 0.05 * Plug Setting * Numeric IBA DOC

  19. # Waktu kerja (t> / to> ) * Definite ( Langsung atau dengan Tms ) * Inverse ( Td atau Tms dan Mps = I / Is ) t Td = Time dial setting Tms = Time multiple seting Mps = Multiple plug setting …. X Is tk tk Tms ( td ) 1,0 0,6 x Is Mps = 4 x Is IBA DOC

  20. # Is instant /moment ( I>> / Io>> ) * Is instant = k In atau k Is In = Arus Nominal Is = Arus setting tunda waktu k = Faktor pabrik * Plug setting * Numeric IBA DOC

  21. CONTOH CARA SETTING DENGAN MENGGUNAKAN OCR / GFR TIPE MCGG82 @ SETTING ARUS OCR /GFR DENGAN TUNDA WAKTU 0.1 0.05 0.1 0 0.2 0 ARUS SETTING 0.4 0 0.4 0 ARUS NOMINAL RELAI 0.4 0 0.8 0 FAKTOR PABRIK IBA DOC

  22. # MISAL ARUS SETTING Is = 6 A. Is = 1.2 In POSISI SAKLAR : 0.1 0.05 0.1 0 Is = ( 0.1 + 0.1 + 0.2 + 0 + 0 + 0 + 0.8 ) x 5A = 1,2 x 5A = 6 A 0.2 0 0.4 0 0.4 0 0.4 0 0.8 0 IBA DOC

  23. PEMILIHAN KARAKTERISTIK TRIP TEST : CURVA SI : 0 1 0 1 0 1 0 1 0 1 0 1 IBA DOC

  24. KURVA / KARAKTERISTIK @ STANDARD / NORMAL INVERSE ( SI ) @ VERY INVERSE ( VI ) @ EXTREMELY INVERSE ( EI ) @ LONG TIME INVERSE ( LTI ) IBA DOC

  25. SETTING WAKTU MISAL : KARAKTERISTIK EI ARUS GANGGUAN 3 x Is ( I = 3 ) WAKTU KERJA = 1 DETIK PEMILIHAN TMS : POSISI SAKLAR 0,025 0,05 0 0,05 0 0,1 0 0,2 0 0,2 0 0,4 IBA DOC

  26. SETTING INSTANT POSISI SAKLAR 0 1 0 2 0 4 0 8 0 16 0 IBA DOC

  27. 20KV X DATA SETTING I> = 5A; Io> = 1A ; I>> = 35A t>=0,5 detik ;to>=0,5 detik Karakteristik tunda waktu = SI P1 50 / 51 51N 300/5A 10P15 30VA P2 In relai = 5A Io>> tdk aktip F Ihs3f=3300A Ihs2f=2000A Ihs!f= 210A

  28. MCGG 82 INDICATOR RESET TMS SETTING CURVE SELECTION INST SETTING 49 50 TIME DELAY TRIP < < 21 13 < < + POWER SUPPLY CIRCUIT INST TRIP Is - Vx 14 22 < CURRENT SETTING Ph INPUT CIRCUIT Ph < RL 1-1 35 33 PHASE FAULT TIME DELAYED TRIP OUTPUT CONTACT 34 INST SETTING CURVE SELECTION TMS SETTING RL 1-2 29 47 48 TIME DELAY TRIP < 30 < 23 < OUTPUT CIRCUIT Ph < INST TRIP RL 2-1 Is 36 24 37 PHASE FAULT INSTATANEOUS TRIP OUTPUT CONTACT < CURRENT SETTING Ph < INPUT CIRCUIT Ph 38 RL 2-2 41 42 TMS SETTING INST SETTING CURVE SELECTION 45 RL 3-1 7 46 TIME DELAY TRIP < 6 < EARTH FAULT TIME DELAYED TRIP OUTPUT CONTACT 25 < < 5 INST TRIP Is RL 3-2 2 26 < INPUT CIRCUIT Ph < CURRENT SETTING Ph 1 OUTPUT CIRCUIT E/F RL 4-1 8 10 TMS SETTING INST SETTING CURVE SELECTION 43 EARTH FAULT INSTATANEOUS TRIP OUTPUT CONTACT 9 RL 4-2 16 44 TIME DELAY TRIP < < 27 < < 15 INST TRIP Is 28 < INPUT CIRCUIT E/F < CURRENT SETTING E/F

  29. SAMBUNGAN ( WIRING ) Sambungan tipe 3 OCR + 1 GFR OCR PMT OCR GFR R P1 S E T S1 CT OCR S2 P2 Diagram AC IBA DOC

  30. Sambungan tipe 2 OCR + 1 GFR PMT OCR GFR R P1 E T S1 CT OCR S2 P2 Diagram AC IBA DOC

  31. PENGUJIAN RELAI ARUS LEBIH • PENGUJIAN INDIVIDUAL • MENGUJI INDIVIDU RELAI ITU SENDIRI , UNTUK MENGETAHUI • APAKAH MASIH DALAM KEADAAN STANDAR ATAU TIDAK • PENGUJIAN FUNGSI • MENGUJI FUNGSI DARI SISTEM PROTEKSI SECARAKESELURUHANAPAKAH MASIH BERFUNGSI ATAU TIDAK

  32. PENGUJIAN INDIVIDUAL • HAL HAL YANG PERLU DIPERHATIKAN : • CARA SETTING • INTERNAL DIAGRAM RELAI • ALAT UJI / RANGKAIAN PENGUJIAN • ITEM PENGUJIAN • PROSEDUR PENGUJIAN • HASIL UJI DAN KESIMPULAN

  33. JENIS / ITEM PENGUJIN • ARUS PICK UP DAN ARUS DROP OFF SERTA • RASIO ARUS PICK UP DENGAN DROP OFF • KARAKTERISTIK ARUS – WAKTU • KARAKTERISTIK INSTANTANEOUS

  34. ARUS PICK UP [ ARUS AWAL / MULA ] • ARUS MINIMUM YANG MENYEBABKAN RELAI BEKERJA • 2. ARUS DROP OFF [RESET/ KEMBALI ] • ARUS MAKSIMUM YANG MENYEBABKAN RELAI TIDAK • BEKERJA. • 3. RASIO ARUS PICK UP DENGAN DROP OFF I I pick up I reset I beban t t gangguan

  35. PENGUJIAN INDIVIDUAL RELAI ARUS LEBIH 21 TIMER 22 29 23 30 24 START STOP 25 26 27 220 Vac 13 R 28 Vdc 14 A 220 Vac SLIDE TRAFO ISOLASI RANGKAIAN PENGUJIAN

  36. 1 2 T1 T2 P1 P2 C2 C1 C0 VOLTMETER 220 V CT SEC MAKE TIME ON ON EXT POWER OFF ON OFF FAULT BREAK LAMP OFF INT TPR 22 CV OFF A SELECTOR V A A OVR UVR OCR UCR OTHER RELAY 75 V 150V 10 A 5 A 300V B A B OFF 1 A MIN MAX MIN MAX TEST CONDITION B SELECTOR PORTABLE TEST SET RELAY TIPE TPR 22 CV

  37. + 21 13 A - 14 22 23 29 B 1 2 T1 T2 P1 P2 C2 C1 C0 VOLTMETER 220 V CT SEC 24 30 ON ON EXT 25 MAKE TIME 41 C POWER OFF 26 ON 42 OFF FAULT BREAK LAMP OFF INT OFF 27 A SELECTOR TPR 22 CV 1 E/F 28 2 15 V A A 16 OVR UVR 75 V OCR UCR OTHER RELAY 150V 10 A MCGG 82 B A B 5 A 300V OFF 1 A OCR / GFR YANG DIUJI MIN MAX MIN MAX B SELECTOR TEST CONDITION RANGKAIAN PENGUJIAN OCR/GFR DENGAN ALAT UJI TPR 22 CV

  38. PENGUJIAN RELAI OCR /GFR MCGG 82 HAND TERMINAL RELAI OCR / GFR MCGG 82 ALAT UJI XS92a ABB 13 + 21 Vx - 14 22 23 29 t > 24 30 25 41 t >> 26 42 27 1 to> 28 2 15 to >> 16 RANGKAIAN PENGUJIAN RELAI OCR / GFR TIPE MCGG 82 IBA DOC 2003

  39. (+) KONTAK OCR/GFR DIAGRAM KONTROL DC PROTEKSI OCR/GFR (+) RELAI BANTU RE 1 (-) TRIP PMT (+) RE 2 RELAI BANTU RE 3 ALARM (-)

  40. DIAGRAM SIGNALISASI (+) KONTAK RELAI RESET TEST LAMP RELAI BANTU RE LAMPU SIGNAL

  41. P2 SYMBOL V 20KV/V3 100V/V3 Q2 125VA,CL 1,0 S6 T5 HL1-3 x5 T5 fu1-3 0,3A F1 F2 MCGG52 50 / 51 50G/51G MCGG22 50G/51G 200 – 400/ 1A,30VA,10P20 T1-3 TO METERING REMOTE CONTROL PANEL x4 x3 MWH MWH A T1-3 IN OUT 200 – 400/ 1A,15VA,0,5 PL1-3 P3-1 P3-2 F3 MVTR51 79 x Q1 630A SINGLE LINE DIAGRAM FEEDER SCHEMATIC TYPE C2 3PH,20KV,2500A,50Hz,25KA,3Sec Grounding Neutral Bar 2000a

  42. L1 L2 L3 TLB 200 – 400 / 1A 30VA,10P20 F1 X4 XB3 21 22 F2 P1 2S1 27 2S2 2 2 2 2S3 MCGG52 MCGG22 P1 2S1 T1 2S2 28 3 03 3 2S3 25 26 Io > P1 2S1 T2 2S2 1 2 4 04 4 2S3 27 28 5 7 T3 1 01 1 6 I > Io >> TERMINAL 15 16 29 30 35 9 34 8 10 33 I >> 13 14 42 41 36 38 +T 13 37 110VDC 14 -T Io > 1 2 POWER CIRCUIT PROTECTION FEEDER SCHEMATIC 5 7 6 Io >> 15 16 9 8 10

  43. +C +T LOCAL REMOTE M 2 4 4 2 8 5 8 5 38 34 S8 1 3 1 3 F1 F1 F1 F1 F2 F2 CB 7 CLOSE OPEN 4 4 6 36 9 35 7 9 0 S1 7/4 2 3 5 3 S1 7/4 S3 K4 15/8 1 FROM RCP PANEL FROM BUCHOLZ TRIPPING ORDER FACILITY OPEN CLOSE K3 15/6 CIRCUIT BREAKER CONTROL FEEDER SCHEMATIC 2 4 6 X YL 1 3 5 M YB KN Q1 OPEN N CLOSE -T - C

  44. L1 L2 L3 TLB 200 – 400 / 1A 30VA,10P20 XB3 F1 X4 21 22 F2 P1 2S1 27 2S2 2 02 2 2S3 MCGG52 MCGG22 P1 2S1 T1 2S2 28 3 03 3 2S3 25 26 Io > P1 2S1 T2 2S2 1 2 4 04 4 2S3 27 28 5 7 T3 1 01 1 6 I > Io >> TERMINAL 15 16 29 30 35 9 34 8 10 33 I >> 13 14 TEST SET INJEKSI SEKUNDER 42 41 36 38 +T 13 37 110VDC 14 -T Io > 1 2 RANGKAIAN PENGUJIAN FUNGSI 5 7 6 Io >> 15 16 9 8 10 IBA 2006

  45. SETTING OCR GANGGUAN FASA – FASA [ TUNDA WAKTU

  46. KOORDINASI OCR # DEFINITE TIME A B C t 1,3 det 0,8 det 0,3 det I

  47. KOORDINASI OCR # INVERSE TIME SETING WAKTU DENGAN PEMILIHAN TD / TMS TD = TIME DIAL TMA = TIME MULTIPLE SETTING A B C t TMS B TMS C TMS A I

  48. SETTING ELEMEN INSTANTANEOUS DIMAKSUDKAN UNTUK GANGGUAN 3 FASA ,TETAPI HARUS MEMPERHATIKAN ARUS KETAHANAN KABEL . SETTING INSTANT

  49. KOORDINASI OCR # INSTANTANEOUS A B C

  50. KOORDINASI DARI RELAI KOMBINASI TUNDA WAKTU DENGAN INSTANT / A B C t t A t B t C t INST t INST I t TMS B TMS C TMS A t INST t INST I

More Related