Answer Posted / k.prakashchandra
Generally V =voltage ,D = disc type ,G =IDMT ,T= trip
circuit ,C= current.Hence VDG may be under/over voltage disc
operated IDMTL relay.CDG similarly current relay.VTT could
be voltage operated trip circuit supervision relay.
| Is This Answer Correct ? | 10 Yes | 1 No |
Post New Answer View All Answers
i want to put single phase load on scott connected transformer,eventhough how to balance the transformer.
How to design pavement quality concrete by using C.R.C.P Method
How can we calculate the KVA rating of a Distribution transformer from its core details?
when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com
please write motor, transformer, Generator setting, fault level calculation of Tr.etc
for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance
A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.
what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?
What are the two major types of control system?
how the inner and outer body is separated in aircrafts?
Define open loop control system.
what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?
What is the difference between hot and cold loop testing?
Why neutral cable carry current.
what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?
