60 KVA TRANSFORMER
60 KVA TRANSFORMER manufactured as per RDSO specification No:RDSO/PE/SPEC/AC/0080-2007(REV-1.) is dry type air cooled transformer provided on the under frame of the Railway Coaches for supplying electrical power for Air conditioned load /Power Car/Buffe Car of the passenger coaches working on ELECTRIC ON GENERATION system..
THE EQUIPMENT DESIGNED & DEVELOPED WITH THE TECHNICAL SUPPORT OF IITR. THE UNIT TESTED BY THE:-
• PROTOTYPE APPROVAL OF RDSO LUCKNOW
• VIBRATION & SHOK TEST AS PER IE 61373 AT IIT/ROURKEE.
• IP TEST AT ERDA VADODRA.IEC -60529
• SHORT CIRCUIT TEST AS PER IS 2026(PT-I) AT ERDA/VADODRA.
| TECHNICAL DETAILS/COVERED SPECIFICATION | |
|---|---|
| APPLICATION | ROLLING STOCK |
| INPUT VOLTAGE | 750 VOLT 3 PHASE 50 HZ |
| OUTPUT VOLTAGE | 415 VOLT AC 3 PHASE 50HZ |
| CAPICITY | 60 KVA |
| VECTOR CONFIGRATION | Yy00 |
| UCC OVERALL IMPEDENCE | 4% MAX |
| MAX.TEMPERATURE RISE | 115DEG CEL |
| PROTECTION LEVEL | IP67 |
| NOISE LABEL | <96DB |
| TRAIN SPEED | 200 KMPH |
| HUMIDITY | Upto 95% | EQUIPMENT CONFIRMED TO THE FOLLOWING STANDRAD/SPECIFICATION |
| 564-2 | Regulation relating to fire protection and fire fighting measurement in passenger carring railway vechiles or assimilated |
| IEC 60529 | Degree of protection provided by enclosures |
| IEC-61373 | Railway application –Rolling stock equipment –shock And vibration tests |
| IS 2026-1999 | Steel for general structure purpose |
| IS 2026 (PART-1 TO IV) | Specification for power transformers; Terminal marking tapping and connection |
| IS 11171 | Specification for Dry type Power transformers |
| IS 1885(Pt xxxviii) | Electro-technica vocabulary for transformers |
| IS 1271-85 | Theimal evaluation and classification for electrical insulation |
| IS 2551-1982 | Danger Notice Plate |
| IS 13730 PT 13-93 | Part 13 Polyester or polyesterimide over coated with Polymide –imide enameled round copper wire ,class 200 |
| IS 13730 PT 29 | Specification for particular type of winding wires’part 2 Polyester or polyertrimide over coated with polymideimide enameled rectangular copper wire class 200 |
| IS 3024-1997 | Specification for electrical steel sheet (oriented) CRGO |
| IS 1363-84 (PAQRTII) | Hex. Hd, Screws (M5-M36) |
| IS 694-1997 | Method of testing steel sheets for magnetic circuits of power electrical apparalus |
| IS 6911-1992 | Stainless steel plate sheet and strips | EQUIPMENT PAST THE FOLLOWING TEST |
| Visual inspection and dimensional checks | Clause 10.12 |
| Measurement of winding resistance | 16.2 of IS;2026(Pt-I) |
| Measurement of voltage ratio and check of voltage | 16.3 of IS; 2026(Pt-I) |
| Measurement of impedance voltage/ short circuit impedance and load loss at 75 deg.c | 16.4 of Is;2026(Pt-I) |
| Measurement of no load loss and current at 75deg.c | 16.5 of IS;2026(Pt-I) |
| Measurement of insulation resistance | 16.6 of IS; 2026 (Pt-I) |
| Dietectric test | 16.7 of IS; 2026 (Pt-I)and Clause 10.13 |
| Induced over voltage with stand test | 11.1&11.2 of IS;2026 (Pt-III) |
| Temperature rise test | 16.8 of IS;2026(Pt-I) Temperature rise test |
| Measurement of zero sequence impedance | 16.10 of IS;2026(Pt-I) |
| Short circuit test | 16.11 of IS;2026(Pt-) |
| Measurement of the harmonics of the no load | 16.13 of IS;2026(Pt_) |
| Vibration and shock test | IEC61373 and Clause 10.14 |
| Degree of protection test (IP-67) | Clause 10.16 and IEC -60529 |
| Efficeincy at one one forth half,three forth and full load at 75 dec.c | To be computed from load /loss test at S.No 4 |
| Fire retardant test fior terminal board | Clause 10.15 |
| Measurement of acoustic noise level | 16.2 of IS;2026(Pt-I) |
| Testing of Core/ stamping material | Clause 10.17 |
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