What types of testing in 11Kv Ht switchgeat during testing?
Answer Posted / mriganka das
Transformer:
1)IR Test
2)Magnetising Current Test
3)Magnetic Core Balance Test
4)Vector Group Test
5)Ratio Test
6)Polarity Test
7)Oil Test (DGA,Dielectric Strength,Moisture content)
8)RLA test (Dirana, Thuran)
Current Transformer :
1) Ratio Test
2) IR Value Tset
3) Polarity Test
4) Knee Voltage Check
5) Winding Resistance Test
6) Back to Back Test
7) Tan Delta Test
8) High Voltage Test
Breacker Test:
1) IR Value Tset
2) Contact Resistance Test
3) Closing Tripping Timing Test
4) High Voltage Test
Isolator Test:
1) IR Value Tset
2) Contact Resistance Test
3) Closing Tripping Timing Test
4) High Voltage Test
5) Hot point Check ( in running condition)
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another
HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER
What is the use of lag compensator?
IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?
What is meant by cold loop test in instrument
the winding of Generator and Motor is star or in delta ? and why
How to Calculate KA Rating of Main LT Panel
PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL
The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s
Different types of relay fault which phase sequence??
what is the electrical?
how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids
what happen if the parallel generator phase angle shift by 1 degree in manual mode
A 100KVA SINGLE PHASE TRANSFORMER 10000/200V,50HZ REQUIRES 300V AT HV SIDE TO CIRCULATE FULL LOAD CURRENT WITH LV SHORT CIRCUITED.THE INTAKE IS 1000W.THE % OF REGULATION ON FULL LOAD AT 0.8 PF LAGGING WILL BE HOW MUCH AND THE SECONDARY TERMINAL VOLTAGE ON 0.8 PF LEADING WILL BE
How much ph is maintained of water electrolyte which is used in LRS for 1200 kw slipring induction motor ?