what happens when dc supply is given to the transformer?
Answer Posted / benu
with dc supply reactance part of total impedance will be zero.
,,net impedance will be less,primary current will be high which will generate excess heat in winding,resulting in burning of pri winding
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What are the advantages of hydropower?
in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter
Difference between RCCB, RCBO and ELMCB.
What is The Resistance Formula
How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?
how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........
what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?
How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.
What is the maximum percentage voltage drop (vd%)for a motor control center
please tell me how a surge protector work on a DC 48Volt.? please describe briefly.
what kelvin's law ?
how does high earth to neutral voltage affects electronic circuit?
Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors
Operation carried out in thermal power stations?
Give two basic speed control scheme of dc shunt motor?