What do you mean by class of CTs and what is the meaning of
cl 1.0, cl5P10, cl 10P10 CTs?
Answer Posted / k.prakashchandra
1.0 class is for measurement 1%- error at full load.Other
two are for protection. 5% error at 10 times the rated load
and 10% ---
Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
WHAT IS THE USE OF PIG TAIL IN WINDOW CT ?
Why need 3phase machine double earthing?
what is the efficiency of thyristor
Define peak time.
1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?
what is the mechanical safety of DG ?
how electrical earthing maintenance done in industry?
Dyn1 transformer vector group testing how to do
Operation carried out in thermal power stations?
How energy is generated in hydroelectric power plant?
what is apparent poewr, reactive power, & active power?
what are the assumptions made in swineburne's test?
WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.
What is core CT & it's function?
list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.