what is the formula for calculating motor rating? Example: If we want to rotate a 1000 kg waight disc up to 100 RPM, which size motor will require?

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WHAT IS THE REASON,WE USED THREE CORE CABLE INSTEAD OF THREE SINGLE CORE CABLE.

2 Answers  

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transformer test

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What is referred to the electron in the outer orbit?

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In an ideal transformer no load primary current I0 A lags behind V1 by 90 degree B is in the phase with V1 C leads V1 by 90 degree D lags V1 by 45 degree

1 Answers  

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Why does the adjacent zone of protection overlap?

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A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 Answers  

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What is the difference between body earthing and neutral earthing?

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A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

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when we have to purchase the transformer by own i.e how much load will preferred HT connection?

0 Answers   Power Square,

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please give me solution to rectify the emi(electromagnetic interference)

0 Answers   Powergear,

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how many desk top computer can connect to a 25kva 3phase generator?

1 Answers  

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