What is meant by term Back to back in HVDC transmission?
Answer / muhammad ismail
http://www.alstom.com/grid/products-and-services/engineered-
energy-solutions/hvdc-transmission-systems/HVDC-Back-to-Back/
| Is This Answer Correct ? | 1 Yes | 1 No |
whati s the sludge current in ups
one 60KVA UPS how can full load current tell me us formulas
what is meant by directional earth fault and non directional earth fault? describe both.
How the size of transformer decreases if we increases the frequency?
Who is the first Bangladeshi Everest climber? Where is his home district?
what is the principal of ceiling fan and how it will rotates? what is the magnetic momentum produces inside the fan?
What is the requirement of sulphuric acid in electrical feild?
is there any difference between protection C.T and measuring C.T?if yes then what is the difference?
4 Answers BARC, Century Rayon,
avr is an automayic voltage regulator ... it regulates voltage before it synchronise with grid after synchronisation it regulates power factor why....
why should be the frequency is 50 hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50
What is x/r ratio?
1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?
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)