What are the main parts of central chiller plant? Explain the function of each stage.3288
What are the Safety measures in central chiller plant? Explain them?17 36161
State the other types of Air Conditioners?
What will be the total current for 300kva UPS if it runs on 40 to 45 percent load. Is there any formula for to calculate the exact load.4 13009
Residual voltage & residual current used in which protection?5 7341
how to read AWG n how to convert AWG reading into mm?1 3541
Can anyone tell me what will happen if AC & DC supply get mixed???9 9083
working of bucholz relay of a transformer7 17116
what is boucholz relay and the significance of it in to the transformer?2 3456
How to calculate the ups battery back up? give the formula.13 79276
why transformers are sometimes kept on concrete benches..?2 2566
why the flooring of substation is done with small pebbles or stones..?16 29003
what is blocking diode and what is the use of it in tne control circuit.Pls Explain it.1 1569
How to select transmission line type (i.e. 11kv or 33kv) for new established industries
can any one tell in easy method for circulating current ??
why the power factor of the induction motor is low?
i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance
When can we take Neutral as common neutral link?
How to calculate per unit impedance of transformer?
how are reversing the direction of dc motor
when we decide to use soft starter drive or vfd drive in mcc to operate apump?
Lt motor sfu flashing reasons?
what do u understand from filter factor of reactor?
how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?
what is meant by flywheel and its role in retardation test
trasnfarmaer core make
What are the causes for the failures of sandwich type (Al) busducts?
Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV