What is Control & Relay Panel? And Remote Control Center?

0 Answers   L&T,

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can some one clearly explain why -48 volt DC use in telecom site????

0 Answers  

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if the magnetic lines can pass through a vaccuum area

0 Answers  

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how invertor convert the dc into ac give brif detail

0 Answers  

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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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High speed earth switch operation with diagram

0 Answers   KSEB, L&T, Sanden Vikas, Siemens,

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What will be the sampling frequency that reveals the same sampled signal?

1 Answers   CCP,

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What is the difference between MCB & MCCB, Where it can be used,

22 Answers   ACB Group, Badve, Bajaj Electricals, Hensel, Siemens, SR,

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why we need to us lenz's law for synchornous motor

0 Answers   Tata Elxsi,

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i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

0 Answers  

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What is the fuction of UV & how it works in circut breakers? is it one type of relay?

4 Answers  

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WHAT IS THE REASON OF CHANGE FREQUENCY IN DG SET AFTER FULL LOAD.

1 Answers  

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