how the testing of CT OF 400/200/100 done in33/11 kv s/s
Answer Posted / vksumanth
actually the ct used in ss is in the range of 400-200-
100/1A.THE MAIN TESTS CONDUCTED ON CT'S ARE TWO 1.IR VALUES
FINDING TEST AND 2.RATIO TEST
1.IR VALUES ARE FINDING THROUGH 0.5,1,2.5,5KV STEPPED
MEGGER.GENERALLY IN APTRANSCO USES MOTARISED RIKEN MAKE
MEGGER.
2.RATIO TEST CAN BE CALCULATED BY PRIMARY CURRENT INJUCTION
KIT.
AND THE 3. GENERAL TEST IS POLARITY TEST.
| Is This Answer Correct ? | 8 Yes | 0 No |
Post New Answer View All Answers
is it value of power factor is more than unit. whats effects in the source supply
What is the function of the generator exciter?
how to commissioning the genset with amf panel?
5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........
what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv
how single phase preventer works ?
All tape of electrical questions Answers tape of motor transformer e.o.t crane
What is the types of HT motor testing
What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?
what is submersible pump?what is different between motor and sub motor?
In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above
Write a note on materials used as a fuse element.
how to carried out tan delta test in 11 KV alternator ?
What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?
Why mostly the HV side of transformer has Delta?