Mechanism of Wye Delta Starter?

Answer Posted / apoorv

it is start delta starter. in star connection ,
phase voltage is 1 by root 3 of line voltag and phase current
ids equal to line current.and in delta its vica versa
so at output we get , both reduced current and voltage
doe to reduce starting current.

Is This Answer Correct ?    2 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

1741


Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC

1573


What is different between resistance grounding system and resistance earthing system?

676


What is the actual calculation for transformer short circuit test?.

1976


What is vaccum currcuit breaker.define with cause and where be use it device?

632






electrical

1797


how to find motors H.P. whout any rating? (only give you a motor and multimeter)

4780


for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

1964


IF DISTANCE IS 100METERS B/W AMP.METER AND CURRENT TRANSFORMER WHAT WILL BE AFFECT IN ACCURACY .METER CAN SHOWING ACCURATE CURRENT OR NOT IF NOT WHAT CAN I DO TO GET 100% ACCURACY.

1413


Draw a block diagramof Three UPS systems connected in Parallel mode?

1665


how we sesign the transformer give some specifion regarding design of transformers

1465


what is laser diodes?

728


WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

1924


Testing procedure of DG alternator stability test

937


What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

1429