Answer / r k choudhary

Ring main unit is a looping of all equipment if power
supply from end fail then power supply from other end fed
in equipment. there will be no hindrance in our work.

Answer / david vk2cz

ATS is an automatic transfer switch, meaning it will accept power from 2 sources, and automatically switch to the source with available power. This can be dangerous in maintenance activities, unless it is switch to manual. Mostly used in datacentres, underground train stations and underground corridor lighting

how to calculate the tarriff for an industry whose kva demand is 10 mva

0 Answers  

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What value of resistance required between Saftey earth and instrunment earth , maximum and minimum values required

1 Answers  

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sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

0 Answers  

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what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

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If the neutral wire go pass through the core balance current transformer? If yes then why? and no then why?

2 Answers  

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what is resticted earth fault protection ? how did it protect & work in power transformer

3 Answers  

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Which neutral is use when DG(3 Phase)is running?

3 Answers  

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Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem. how can we notice this is the respective phase?

2 Answers  

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If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 Answers   ABB,

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Why DC current is not used in transformer?

20 Answers   JK Paper, TCS,

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What is Ton Capacity of Air Conditioner?

1 Answers   TATA,

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100V supply is appllied between 500K Resistance bulb. for 1 kwh energy, how long time the bulb will glow? explain the calculating method.

3 Answers   Bhel,

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