how do we fix the rating of mcb required for a specific
capacity of the electric motor
- 2 Answers
- 4888 Views
- I also Faced
- E-Mail Answers
Answer Posted / b soni
calculate the line currant of motor if it it 25A
phase cuurant = line currant/1.73
get the mcb of phace cuurant's rationg
25/1.73= 14A
get the mcb of 15A
| Is This Answer Correct ? | 3 Yes | 2 No |
Post New Answer View All Answers
what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.
What is precision of a measurement?
How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs
What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?
List few applications of d.c series motor?
Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)
give me a clear defination of inductance,and how can u calculate inductance of a motor
1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.
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 should be the ideal gauge of wire (In sq mm) for different loads in Ampere?
which type of stability limit is higher,steady state or transient? why?
plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in
Why syn. Generators are used for the production of electricity?
Salient pole alternator is more stable, why?
how to protect motor in dol starter having capacity of 30 hp.40 hp?
