Answer / srajan

The insulation of transformer winding is tested with megger..it is tested as insulation of lv to earth , hv to earth and hv to lv..it is commonly known as IR testing..its value will be different according to weather..changes drastically in monsoon..

What are m circles?

0 Answers  

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what is difference between megger & Contact resistance meter & its Application?

2 Answers  

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Can somebody tell me the type and amp of transformer used to implement 600VA UPS? Thanks in advance.

1 Answers  

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High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

0 Answers   NTPC,

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Which one is more accurate servo or stepper motor and why?

2 Answers   BARC, HPT,

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Block diagram of Power line communication?

0 Answers   CIL, VIP,

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I just purchased a 4 position cam switch to be used to operate a 3-speed blower motor. The motor is a 10 amp motor and has 3 wires that are used to control speed. The cam switch was rated at 660V 20 amps but when I received it, I noticed that it has AC-15 operational current rating (Ie) of 4/5 amps. If I am reading the label correctly. the 4/5 amps is related to 440v/220V (Ue). Other ratings are AC-3: 5.5A, AC2: 7.5A and AC-4: 1.5A. My questions are 1) Is it safe to use this switch with the motor I have 2) what is the difference between the 20 amp Ith ratting and the Ie operational ratings?

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what is the form factor of DC?

6 Answers  

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What is the effect if power factor is above 1 or unity.

15 Answers   NTS,

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IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)

0 Answers   L&T,

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What is the problem if we connect a weak capacitor to the system? is that profitable or Loss?

1 Answers  

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how dg's working of 1000kva.

1 Answers  

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