AC voltage only create magnetic flux in coils, but in Solenoid coil how 24V DC volt create flux and pick the plunger

5 Answers  

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what is the difference between UPS & Inverter

7 Answers   HAL,

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Zone of protection and tripping scheme of arc protection relay.

0 Answers   KSEB, L&T, Siemens,

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why double earthing is required for welding machine & electrical tools.

7 Answers  

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Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

0 Answers   DAE,

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hi i am aziz electrical associate engineer. i am faceing problem in acs800 vvvf drive.it is tripping wothout any alarm/fault.i cheaked all parameters and fault function of drive, all are correct as well as communication parameters.but still it is tripping (drive is tripping in running position not in starting)

1 Answers  

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What is meant by rotor?

0 Answers  

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what is power factor

3 Answers  

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why we use 630mm single core cable for transformer secondary side and why two neutral cable

0 Answers   Technicare,

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What are the causes for the failures of sandwich type (Al) busducts?

0 Answers  

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Why do we require transformer with less specific weight if supply frequency is increased?

0 Answers  

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prove that inegration of { e^z / z^2 + pi^2 }dz is equal to i/pi by Cauchy Residue Theorem.

1 Answers  

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