what is the dedicated neutral earth in ups? y its required?
Answers were Sorted based on User's Feedback
Answer / prakash
The earthing which is provided sepereately for Neutral only
that earthing is called the dedicated neutral earth.
| Is This Answer Correct ? | 21 Yes | 3 No |
Answer / shivakumar
Dedicated earthing means it is separate earthing it is connected to inverter side due to in rectifier side their is no earthing only phases so it is dedicatedly connected to the inverter side
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / santhosh
It is one type of earthing connected to ups output neutral point. inverter wil not produce neutral only 3 phase .so we loop ups input neutral to output neutral point. if tis neutral fails tis earth will work has neutra.l neutral earth should not link with body earth
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / srinivas murthy
Deticated earthings means - seperate earth for arresting of
leakage from load side & avoiding flot voltage respect P-
N , P-E
| Is This Answer Correct ? | 4 Yes | 5 No |
Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does
If the ceiling fan is on slow speed, does it consume less electricity?
how winding temperature detects in power transformer...?
why dc is not given to transformer
Why the cores of large transformers build up of circular cross section?
what is power factor ?
Dear all i want to know FEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me shibin_75@yahoo.com
Why are use 22 kv 3ph supply ?
single phase power supply give to separate one steel coup with water, what reaction create
How to calculate the size of cables (all minium/copper) for a particular load
1 Answers BSL, Galaxy Power System,
What are the tests to be conducted in the electrical installations
Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)