Answer Posted / pari
LSIG = Long-time + Short-time + Instantaneous + Equipment Ground-fault Protection
| Is This Answer Correct ? | 51 Yes | 6 No |
Post New Answer View All Answers
Whats the minimum value for I.R. that can be allowed for HT & LT alternators for operation?
i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.
What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?
The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams
Is it posible to instal one more SMDB from the existing SMDB and is it practical.
What is making & breaking current ???
Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.
Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.
What are the parts in a inverter?
Transformer diagram mention each parts ?
What is mean by spike arrester(Voltage Operated)
When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?
how to convert lv line to hv line and viseversa, any losses will occur during this process
An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?
