for flour light (garden light) how much deep need to put 222ov
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what is resticted earth fault protection ? how did it protect & work in power transformer
how to calculate P.F from kva only?
why DC source is used to idetify the polarity of CT/PT?
what is the purpose of measuring % impedence?
We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.
what is the value of the earth resistance in mositure place
What is maximum AC & DC transmission voltage in India? and where?
ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?
What is reactive power and where it is used.
what is RFCT and Insulgard Relay & It's function?
differentiate PLC,DCS,SCADA?
What is the multiplying factor if line ct ratio is 1000/1 and meter ct ratio is -/5 ?