without any excitation we can strt any dc or ac moter?

6 Answers   Bhel,

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how the inner and outer body is separated in aircrafts?

0 Answers  

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71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

0 Answers   Machino,

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1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?

0 Answers  

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What is block diagram?

0 Answers  

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Any body can help me in getting LT panel test procedure.

0 Answers   TATA,

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What you have to see in transformer after week, month?

0 Answers  

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what is the meaning of the symbol << >> put in transformer drawing

0 Answers   TATA,

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enlist types of dc generator

8 Answers   Philips,

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What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.

1 Answers  

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why cont we short earth and N.......?

3 Answers  

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We order Dyn 5 distribution transformer to a company. What arrives is Dyn 11. Is it ok to use this transformer. It will be installed alone.

3 Answers   G&S Construction,

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