is it necessarry to charge the battery of ups always??
Answer Posted / amarnath
Its always necessary to charge the UPS its in the case of
Invertor we can charge it after the full discharge
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
How to calculate per unit impedance of transformer?
why we use single core 630mm2 cable for transformer secondary side
What is Harmonics how it is produced and what is the method to control the same
Earth has zero potential then what would be the neutral potential ?
how to calculate cable size in diffrent loads?
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
please send me last 5 year interview questions
how to calculate IR value of 33KV cable ??
Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?
What is Tachometer used to measure?
-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.
What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker
Why GRR starts from 60% of motor speed why not less than 60%?
what is model question rrb junior engineer electrical gr.II
operation of protection relay watchdog contact?