What are the basic & Majour problems in UPS ?

2127

what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?

2032

We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

2165

How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

1757

is that any software calculator to calculate the size of cable

2353

sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

2098

How to calculate Voltage regulation of 22 KV Over head Line.

1668

how much excitation voltage required to generate 1mw power?

2046

Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

1114

defination of transistor controlled series capacitor

2637

EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

2030

what is cascade speed control device?and how this device control the speed of motors?

2158

In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

2260

How we can come to know the substation range,without go through any name plate ?

2107

WHERE CAN I GET THE PREVIOUS QUESTION PAPERS OF Govt Polytechnic in deee 2nd year papers

2742