Answer / nur.asidik

if you connect in delta, you can not detect 50N/51N

What is meant by soft starter used in motors?

4 Answers  

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simple way to find busbar sizes??

1 Answers   SPAC,

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7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

0 Answers  

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Why indicate only 440V to 3-phase supply.

4 Answers  

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what relation between transmission line & communication line?

1 Answers   NTPC,

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I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem

1 Answers  

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mccb service sittings be done?

0 Answers  

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If there is volagte between earth and neutral, what should be the reason ? and solution * What should be allowable limit in case, if the voltage between earth and neutral exist ? / OR what is limit for safe voltage between earth and neutral?

3 Answers  

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why are installed water leakage detection system data centers & server rooms

0 Answers   Reliance,

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what is the signification of trivector meter? why its name is trivector meter ?

3 Answers  

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how to reduce the co level in your 1000kva dg set side?

1 Answers   Cognizant,

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a power supply to be constructed from voltage cells is required to provide Max. 20A Current with a terminal voltage of 6v.Several voltage cells are available each of which has terminal voltage of 1.5V & each of which can supply a max current of 5A .the no of cells required will be ??

5 Answers  

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