What is difference between Step Up Transformer & Booster
Transformer?
can we used instead of any one?
Answers were Sorted based on User's Feedback
Answer / prajokta ray
step up as we all know enhances the level of voltage...it
can only increase....on the other hand booster is placed
normally at the top of pole and it acts as substation for
lines away from main substation. its acts as a voltage
compensating device...ie..both increases and dec at full
load and no load....to the consumer...
| Is This Answer Correct ? | 18 Yes | 3 No |
Answer / teja
booster transformers are single phase, four winding
transformers designed for two purposes. The first purpose
is as a low voltage isolation transformer for use on 12,
16, 24, 32, or 48 colt circuits. When used as low voltage
transformers...
| Is This Answer Correct ? | 8 Yes | 8 No |
what is spill current?
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.
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