I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

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if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

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Which type of arc protection devices used.

2 Answers   KSEB, L&T, Siemens,

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explain how to protect high rise building from the risk of lighting.

1 Answers  

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WHAT IS THE USE OF TERTIARY WINDING IN A STAR/DELTA TRANSFORMER ?

3 Answers  

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what happens when reactive power increases ? does the reactive power loss increase or decrease ?

2 Answers  

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what is the function of a starter in a motor? explain RLC circuit.

14 Answers  

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whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

0 Answers   DAE,

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How do performance buccholz relay testing in power transformer

1 Answers  

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what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

0 Answers  

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how LVDT works?

2 Answers  

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what will be the minimum megger value for 132 Kv (earthed) potential transformer

3 Answers  

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