In Swinburne's Test on D.C.machines, why the efficiency is
more when the machine runs as generator than when it runs as
motor???
Answer Posted / m.divya sree
machine is to be run as motor under no load condition by requiring less power to be drawn from supply so the efficiency of generator is more than motor
| Is This Answer Correct ? | 6 Yes | 5 No |
Post New Answer View All Answers
how can we design robots
What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection
what is rocking arrangement in arc heating
What is the function of attenuator in cro?
what is servo motor and how to work it.
in our all power plant have connected in grid and grid voltage and plant voltage is same, but as per as electrical concept the power will transmit from high potential to low potential but here altough same,then how power transmit from power plant to grid.
Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity
what is relay what is protection & contact multiplying relays where it is used function in brief
If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?
can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.
If not into production, how far did you follow the design and why did not you see it into production?
for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?
Which cable is use for rtcc control panel
Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?
Why mostly the HV side of transformer has Delta?