iam interesting to design the control panel for 3 phase pump motors by controling single phase switches.iam plan to use fuse,contactor & relay for motor protection .how can i select the voltage & amps rating for fuse,contactor & relay plz guide me .if anybody clarify my doubt means it will more helpful for my future .

1 Answers  

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what is meant by armature reaction & where its happen ?

3 Answers  

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how much maximum load a 2 core (Single phase) 16mm aluminium wire can take ?

0 Answers  

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what is mean by unity power factor?why are u calling Resistivity load also unity power factor?

2 Answers  

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What are all the conditions to protect generator & turbine in thermal power plant?

1 Answers   Power Grid,

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why we used to transmitt the power at higher voltage why not at lower voltage

8 Answers  

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what is meant by reactive power ,active power & real power ? thank you

2 Answers  

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What is a HRC fuse (Full form)

26 Answers   Gammon, HRC, Moser Baer,

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what is the difference between a race around condition and toggling?

1 Answers  

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what is electrostatic presipitator in thermal power plant,and why it is used?

2 Answers   ACC,

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What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

0 Answers  

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define briefly the function of an ac electric generator (alternator)?

1 Answers  

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