In oil transformer which oil is used & what should be the
insulation resistance & heating capacity.
Answers were Sorted based on User's Feedback
Answer / s.naidu
Naphthenic mineral oil ( higher flash points ) and minimum
safe insulation resistance in 33KV TR-500 ohm
11KV TR-300 omh
insulation at temperaturs more than 120 to 140 c the gas
bubble are formed as a result of insulation deterioration
these is reasion of leading breake down.
Is This Answer Correct ? | 3 Yes | 3 No |
what are 3 factors when selecting a contactor for a job?
A simple Question from all.... If Voltage drops then its rated value what will be effect on a Residential load? similarly if voltage rises from its rated value then what will be effects on a load? i know if voltage drops the equipment or device draws more current then its rated what are other reasons ? thanks in advance for ur time.......
how to measure the A.C flux .-instrument
what is transformer?
on what priciple transformer works on?
In the N-series schneider reclosers. What is the difference between current during fault time and current at tripping? This appears in the Event log in an event of a trip out.
What is IDMT? What is the principle
What is the purpose of lighting Transformer used in Industries for Lighting illumination? Its necessary or not?
What is Vk and Imag i.e Knee point voltage & Magnetising Current? How to calculate above values? How to define accuracy class 5P10?
7 Answers Deccan Cements, Doosan, Torrent Power, Transco,
What is the end effect of linear induction motor ??
why we permissive overreach in distance protection.where it is applicable to use in long r short lines
what is multiplying factor of a energy meter connected with a CT ratio of 600/5 and voltage at 415 volts.