Answer Posted / pavan
A DC voltage doesnot have any frequency .
| Is This Answer Correct ? | 10 Yes | 0 No |
Post New Answer View All Answers
dg started in plc mode and load taken later one battery terminal connection will be disconnected by loose connection what will happen for dg and shall we connect battery terminals while dg in load time?
Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB
how many safety really of DG sets.
how we findout a ignater is faulty or not?
why we setting 95 deg and 105 deg in wti and oti of distibution transformer ? give the reson for that ?
what is maxemo work permit procedure
What is the main purpose of c.f.b.c.boiler
How does the phase sequence controller works, how it identifies the phases? confirm working principle
What are the essential characteristics of signal flow graphs?
Safety of on line ups
What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.
how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment
I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?
In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes
How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???