what is the difference between MCCB and SFU in terms of their application?

2 Answers   Secure Meters, Tata Teleservices,

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What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

0 Answers  

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Why we apply only reduced voltage to the alternator while conducting slip test ? also the current increases to a larger value with reduced voltage itself Why ?

1 Answers  

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if we convert Ampers into kva,which one formula use by us,pls tell me?

10 Answers   ABB,

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What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

0 Answers   Kirloskar,

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Explain thin film resistors and wire-wound resistors

0 Answers  

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why voltage drop if we have connected 230 v ac suplly through diode to bulbe we found haft ie 110 voltage drop why it is

4 Answers  

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Zone of protection and tripping scheme of arc protection relay.

0 Answers   KSEB, L&T, Siemens,

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how to mention 5mw generator in kva ? gen voltage is 11kv

6 Answers  

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What is the minimum distance between taransformer (say 2000 kva)and its earth pit?

2 Answers   Bhel,

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In a 11kv/433v transformer,at the LT side ie 433 V side why do we need to put 3.5 core Cable upto Panel.The full load rated Amps is 666 at LV side.What value of current will flow through the Nuetral Conductor.Why can't we use 4Core Cable instea of that?

2 Answers  

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why transformers not work at d.c.-

3 Answers  

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