Ohms law explain

1 Answers   Hetero,

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Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

0 Answers  

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On load tap changer (OLTC) explode? Transformer Vector group: Ynd11 Rated Power: 353MVA Rated Current: 693A Voltage:294/20KV OLTC Type: T III Y1000 110/c 12193w Max Operation Current: 295A Step Voltage: 550V Arrangement in Tx windings: Y Connection Problem: Damage of Unit 1 Generator Transformer On Load Tap Changer (OLTC) Description of Incident: 9.00 a.m. :- Generator No Load test on excitation system started 10.30 a.m :- Carried out AVR change over test 11.30 a.m :- Preparation for Generator Manual Synchronizing test 12.00 a.m :- Manual Synshronizing test started. Observed incoming generator voltage higher than running voltage. CECR operator operated Generator Transformer OLTC to bring down the incoming generator voltage 12.03 a.m :-Generator Transformer abnormal alarm operated at Gen.Control Desk (CECR) CECR operater at Generator transformer bay informed that the transformer oil splashed out from OLTC. CECR operater informed that he heard explosion inside OLTC. Observed Oil level & Oil Flow alaram operated at Tranformer local annunciator. 12.05 am :- CECR operator 'Open Gen Field Breaker” 12.10 a.m. :- Elec1 team inspected the OLTC and found the OLTC rupture disk was broken and oil spilled at OLTC area. - Elec1 found the OLTC top cover bulging. Do anyone know why and possibility cause happen in this OLTC.

9 Answers  

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why in transformer there is not rotating fiddl/ magnetic field like motor

4 Answers  

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1. What is the difference between ac induction motor and ac synchronous motor?

11 Answers  

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what are the advantages disadvantages of connecting high voltage block( 1:1 transformers) transformers between the turbo generators and busbars.

0 Answers   Bajaj,

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What is the need for checking knee point voltage for CT's?

1 Answers  

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why is efficiency of transformer more than that of other rotating machines?

1 Answers  

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can three phase induction motor rotate with only 2 phases connected

22 Answers   Delta, Mannar Company, Suntron,

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Are we do it in single transformer with dual primary as 11 KV and 33 KV and constant output as 415 Volts?.

1 Answers  

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What is the difference between PLC & DCS?

1 Answers   Power Plant,

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In India why is the supply frequency 50hz? I need a particular answer for it..

3 Answers  

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