Define piezo-electric effect?

0 Answers  

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Why in ESP Positive earthed

0 Answers   Sonhira,

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In A.C systems, fuse is placed in phase-in order to disconnect the circuit during faulty condition. But, what is the reason for putting "LINK" in neutral istead of connecting through (same) wire.

3 Answers  

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When alarm is activated in buccholz relay in transformer

1 Answers  

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Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

0 Answers   Madina Group,

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When measuring the Insulation resistance of a motor winding (winding to earth) using a megger meter, Applied voltage(1000V) was automatically reduced to 500V. and the measured insulation resistance values are also very low (in Kohm range) Can anyone give me a reason???

3 Answers  

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How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

0 Answers  

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Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

0 Answers  

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why transformer rating in KVA ?

8 Answers   Bhel, TATA, Voltage,

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what is function of INVERTER

4 Answers  

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What should be the earth pit resistance value?

7 Answers   BARC,

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Give some example of fault limiting devices?

0 Answers  

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