Interested to Buy Any Domain ? << Click Here >> for more details...
why corona ring is used in out door switchyard lightning
arrestor
- 3 Answers
- 14707 Views
- I also Faced
- E-Mail Answers
Answer Posted / hardik bhesaniya
Corona is a effect of Extra High Voltage either due to switching over voltage or sue to lightning over voltage. The role of the corona ring is to distribute the electric field gradient and lower its maximum values below the corona threshold, preventing corona discharge.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is corkscrew rule?
A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03
The loads are connected with phase and ground then why current flow as the loads ?
What is zero of the system?
My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible
what is the chiller and working principal
how to calculate cooling requirement of datacentre from electrical load?
i have interview in Pepsi company what type of question will ask please send the question and answeer
Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.
What is a compensator?
Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?
in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply
5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch
What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem
