why we do 2 types of earthing on tranformer ie:body earthing
& nutral earthing , what is function.
i am going to instal a 5oo kva tranformer & 380 kva DG set
what should the earthing value
Answer Posted / riyadh
Star connection T/f's mid point of b/w two phase should be
neutral point . tat point is to be earthed ,
Body earth goes to ground the leakges in the T/f's to
protect human beings frm harmful
Is This Answer Correct ? | 27 Yes | 15 No |
Post New Answer View All Answers
What is the unit of magnetic flux density?
Briefly define and explain the following different types of Pulse Amplitude Modulation (PAM) with some examples. i) 2-PAM ii) 4-PAM iii) 8-PAM iv) 16-PAM v) Quadrature Amplitude Modulation (QAM)
What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?
How to calculate flow of water delivered by pump when pressure & size of pipe line is given
What happens if we connect a single phase energy meter in reverse polarity.
How to know the Max. current caring capacity of the cable by its size ?
What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?
Which device is used for the source of emission of electrons in a crt?
What is the maximum percentage voltage drop (vd%)for a motor control center
What kind of preventive maintenance are there for transformer?
we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?
what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.
in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know
can you any one give exact mathematical relation between AC current and DC current?
How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?