What is Primary and Secondary Injection Test of CT and Relay.

2 Answers  

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Then what do you call a transformer that is installed on the ground?"

1 Answers  

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why America use 60HZ 110V?

4 Answers   Kalindee Rail,

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Difference between RCCB, RCBO and ELMCB.

0 Answers   Megatron Solutions,

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what will happen, if both relay contact has live supply, and coil of relay activated

1 Answers   AVS,

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How to create a SCADA diagram on PC? I run the DG everyday but i dont know how that animated single line diagram is created.Please answer.

1 Answers  

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transformer 3 ph, 225 kva pri 480v, sec 208v. primary neutral connected to system, is secondary neutral to be grounded and how

1 Answers  

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What is the purpose of stand by earth fault protection for transformer ?

0 Answers  

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It is used or not HT cable single core 630 sqmm in LT 3 phase capacitor bank which is used in PCC(power control center).

1 Answers  

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How to calculate the TR (AC's)

4 Answers  

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why t/f are rated in kva. is it conserned with p.f.

3 Answers  

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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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