how to find the transformer neutral copper earthing size
Should be able to take at least the full load current continuously
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Why carbon brush used in dc motor also why its not used in ac motor?
take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????
WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?
5 Answers ABB, Nissi Engineering Solution, NSL Sugars,
What is the purpose of SOTF being used inspite of distance Protection given?
what is the use of spherical metal balls attached on to the earth wire of transmission over head lines?
choose the non-switch device (A) transformer (B) diode (C) transistor (D) IC
What is AMP and KA in a MCCB and MCB
How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?
Differenc between the resistance and resisters?
what is the use of back emf?
I have a question, I visit 01 site and face a problem, there is 2.5 ton Air Con working, when air con compressor is running at that time rectifier voltages are increasing upto 290-295 v and rectifier is giving main high alarm (rectifier is APC single phase, before starting compressor rectifier voltages was 230v. when air con is going off rectifier voltages are decreasing smoothly at its actual voltages 230v. Load on Genset phases is this: Red-13.5 amp AC (Air Con load), Yellow-1.7 amp AC (BTS lights etc.) and Blew-4 amp AC (telecom system load), Genset phase to phase and neutral to phase voltages are also ok. These are 10 sites having same system and same rectifier APC brand at every site 02 genset are working but the problem is same at all these 10 sites. What will be the reason behind???
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