if single phase is 230 v three phase is 440 v then what about two phase?and why is it so?

2 Answers   Eicher,

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why do we use LPF wattmeter not UPF in the experiment of no load and blocked rotor test of 3phase slipring induction motor?

3 Answers   Matrix,

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why the the phase transformer's nuetral has been grounded

2 Answers  

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what is the difference SCR & TRIAC?

13 Answers   TCS,

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what is the working of loss of excitation relay (40G)? how it is work?

1 Answers  

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In 1000KVA Transformer why does we connect HT with delta connection and LT with star connection.Illustrate by showing formula?

4 Answers   Tata Motors,

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

0 Answers  

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I have 3KVA Libert GTX2 UPS. I need to calculate the back up time with some load. How to calculate the Back time. I need the expert guide

1 Answers  

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The purpose of a choke is to provide a ?

1 Answers  

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i have one source transformer with the capacity of 50KVA, connected with two loads 10kw and second one is 15kw.. how can i calculate first load in KVA and second one in KVA .. because Kva rating, power factor rating of of transformer is different from the load… there must be some way to calculate load KVA rating and power factor….

1 Answers  

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How power cable & control cable can be differentiate from each other ?explain?

14 Answers   Aster, Finolex, TCE,

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what is mean by busbar and what is the difference between busbar,transmissionline,feeder,distribution line

0 Answers  

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