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Hi tell me a bout what is NGR in electrical instrument?

Electric Power Electrical Electrical Engineering
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Question ajoutée par Sina shahabi , Maintenance of electrical installations , Islamic Republic of Iran Broadcasting VP Social Media
Date de publication: 2014/04/13
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Manzoor Alam
par Manzoor Alam , Manager , K Electric

NGR is neutral ground resistor which we introduce on transformer neutral in series to reduce or oppose the flow of fault current to the ground in case of any fault in the transformer, this help to save the transformer winding and reduce the heavy amount of fault current to flow.

Azarudeen Allimoopan Uduman Mohideen
par Azarudeen Allimoopan Uduman Mohideen , Assistant Manager - Electrical , Coastal Energen Pvt Ltd

NGR - Neutral Grounding Transformer. Which is used to groung the star point of transformer. It will limit the current flowing through the neutral during fault condition. This is used to safe guard the transformer during fault time. 

sohail zaman
par sohail zaman , Engineer - Instrumentation and Automation , National Petroleum Services Co.

no it is Natural gemma radiation ............if i am wrong kindly let me know that what NGR stands for?

Sina shahabi
par Sina shahabi , Maintenance of electrical installations , Islamic Republic of Iran Broadcasting VP Social Media

NGR is an instrument ( resistor or impedance) that by this instrument we can connet the zero point of transformer to the rerth .

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