What is the required value while doing the megering

Answer Posted / thowsif_csm_emerson

For Insulation Resistance Testing with Megger for for
electrical equipments, please refer to the following
publications:

IEEE Std. 43-2000: "Recommended Practice for Testing
Insulation Resistance of Rotating Machinery"
IEEE C57.125-1991: "Guide for Failure Investigation,
Documentation and Analysis for Power Transformers and Shunt
Reactors"
NETA ATS-2003: "Acceptance Testing Specifications for
Electrical Power Distribution Equipment and System".

Is This Answer Correct ?    5 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

High speed earth switch operation with diagram

1901


what is doid

2314


what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

1846


Approach of a cooling tower is the difference between temperatures of what factors?

622


Explain difference between stand by earth fault and residual earth fault protection?

1541






how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

1168


what is the difference between fault current ant short circuit current?

2264


BSNL TTA EXAM QUESTION

1776


Transformer diagram mention each parts ?

1587


what is d check in dg 1500kva

1594


How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

1327


difference between ac series and parallel circuit

1477


Explain Random and Deterministic signals?

1316


please give some hindalco placement papers for written exam

1355


what is differant beetween overload current and phase current?

1785