Where double earthing is required? Is there any power
specification to have double earthing?
Answer Posted / prabhakaran
Double earthing is provided for critical equipments like transformer and generator were the earthing is essential. when one earth connection is correded or ineffective the other one will provide the connection to earth. if only one earth connection is provided if connection is not good the system become undgrounded.
| Is This Answer Correct ? | 19 Yes | 3 No |
Post New Answer View All Answers
how can motor both beasrings insulation resistance can be check?
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....
What does ampere turns shows?
What is meant by Load Encroachment in OHL Feeder Protection?
Witch do depand of Power factor and theory of power factor?
why occ characteristics of generator is also called as magnatization characteristics ?
What are the components of feedback control system?
Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com
Type of motor stater detail and working detail
boiler is running in rankine cycle and deisel generator is....?
area control error
electrical knowelge
how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.
sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com
What are the advantages of a three-phase system over a single-phase system?