What are the saftey parameters in transformers?
Answers were Sorted based on User's Feedback
Answer / j.l. singh
1.Pressure relieve valve, 2. Oil surge relay,3. Buchltze
relay,4. Breather,5.Auto fire extinguishing(by sprikler)
for big transformers.
Different protection Systems also come under Safety devices.
Is This Answer Correct ? | 6 Yes | 0 No |
Answer / maharaja
1.IR VALUE SHOULD BE MORE THAN 3MEGA OHMS FOR 1KV
2.PI VALUE SHOULD BE MORE THAN 1.4
3.TAN DELTA VALUE SHOULD BE LESS THAN .07%
4.ALL TRIPING AND INTER TRIPING SHOULD BE CHECKED.
5.AFTER CHARGING WE HAVE TO CHECK THE NOISE.
6.AFTER CHARGING WE HAVE TO CHECK THE WINDING AND OIL
TEMPERATURE 4 EACH ONE HOUR INTERVAL.
Is This Answer Correct ? | 0 Yes | 0 No |
Which type of control system is expensive — closed loop or open loop?
how much current capacity of 300 sq. mm cable (4 core aluminium) and 150 sq. mm cable ( 4 core aluminium)
how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....
What is Energy based relay coordination & time based relay co-ordination? In which type of distribution arrangement these methods are applicable?
How to conduct the Magnetic Balance test on Power Transformer?
The Frequency is measured by _________ bridge ?
how to calulate transformer secodary fault A?
Why is the starting current high in dc motor?
ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?
why we use Bus earth truck and Cable earth truck
what is the formula to calculate voltage drop/loss on 66KV Transmission Line?
What is Synchronization of generator,where and how it is achieved.