Re: can you give main difference between ELCB 2pole And RCCB 2pole? And how this devices operated?

4 Answers  

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How servo stabilizer works.

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write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

0 Answers  

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Where is the best place to mount  distribution panel in a house.

0 Answers   Wantro Technical Services,

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Describe the test procedure to determine the vector group

0 Answers   MPSEB,

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When star connection of motor is use?

1 Answers  

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why the NGR (neutral grounding resistor) always OFF during DG off?

0 Answers   Bhel,

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what is the isolation transformer. what is the isolator?

0 Answers  

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Please let me if star point(Nutral) of Delta/ Strar transformer, in 4wire (TPN+E) is tobe gruonded seperatly,inaddition to LV Panel earthing????

1 Answers  

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- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

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Can we use the 60 HZ transformer/rectifier/Motors/Coils in 50 HZ? if not so, why?

3 Answers  

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What are the basic elements used for modeling mechanical rotational system?

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