Why restricted earth fault protection is needed? Why can’t
differential Protection is sufficient?
Answer / mazen
restricted earth fault relay shall be provided for each
neutral earthed star winding of power transformer
| Is This Answer Correct ? | 1 Yes | 1 No |
why occ characteristics of generator is also called as magnatization characteristics ?
How to test lightning Arrester?
Wind mill
Why a transformer is rated in kVA and not in kW??
What is mean by hot and cold loop testing? What is the difference between them?
Resistance of low voltage side of transformer compared to high voltage side is A less B equal C more D depens on design
How to select cable rating for HT/LT Panels
We use ungrounded DC system (220V/110V) for control and protection system in substations etc. Suppose we have long 2 core DC cables running from our DCDB in control room to the load (length of around 2 to 3 km). Do we need to protect these long DC cables from earth leakages or not? If yes how?
CBCT selection
ROC converges if poles and zeros lie inside a. Origion b. Z=1
What are the details of ratings of different types of ACSR conductors?
how will u exactly calculate the unit consumption of the Air conditioners?Split/Window/
Civil Engineering (5086)
Mechanical Engineering (4453)
Electrical Engineering (16638)
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)