Answer / guest

we all know that resistance arises due to the collision of
electrons with other atoms n electrons... the molecular
structure of conductor are in such a way that it offers
less resistance to the flow of electrons

what is the difference between the HT Cable and LT Cable ?

28 Answers   Intergulf, Prabhat Cables,

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Why the Voltage rises when Leading Power Factor is occurs?

2 Answers  

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what happen when dc shunt motor field is sudden open in running condition

34 Answers   APGenco, Bhel, IIT, JMRC, TCS,

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what will happen if i commission a transformer without connecting the neutral?

2 Answers   L&T, Sail,

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Which of the following are the important limitations of rod gap surge arresters? 1. They are not capable of selling off power frequency follow up current. 2. After a discharge, the rods are destroyed completely. 3. Performance is affected by climatic conditions. Use the following codes for selecting the correct answer. Codes: (a)1, 2 and 3 (b)1 and 2 (c)2 and 3 (d)1 and 3

1 Answers  

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What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

0 Answers  

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One of our gas turbine generator unit "1st stage rotor ground fault" alarm was occured several times. we tried to measure some voltage vulue ground fault protection relay (UNS3020a made by ABB and we measured the value of: Ground: 0.9VDC 5V: 5.8VDC 24V: 23VDC u+: 300 – 350mVAC Rf1: 17.5mVAC Rf2: 17.6mVAC The unit still running and the alarm was reset. As of 6pm yesterday and unitl now no alarm happened again. I our protection relay was defective?

1 Answers  

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what's producer of XLPE cable laying in undergroung

0 Answers  

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which gas is filled in CFL

7 Answers   Lumax,

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Hi,My name is ranms i want to know the machine vibration related problems.post me if any body knows. 1) Possible causes of machine horizontal vibration high? 2) Possible causes of machine vertical vibration high? 3) Possible causes of machine axial vibration high?

1 Answers  

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what is ripple component in ac supply?

2 Answers  

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what is ground clearence in transmission system.is it varies wit conductor size,height of poles,span.

1 Answers  

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