what happen to a dc series motor if it given as ac supply
accidentaly
Answer Posted / shraddha
if ac supply accidently given to dc series motor, for first
half cycle it run but another negative half cycle it should
be run opposite direction but due to rotor inertia it will
not happend but there is opposite force excerted on rotor &
motor stop this process require fraction of second so it
look like its not running.so motor will not running.
| Is This Answer Correct ? | 7 Yes | 3 No |
Post New Answer View All Answers
What conditions are required for transformer to operate at low frequencies ?
What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?
define displacement & magnitude ?
various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.
Control wiring of a dol starter for forward and backward
How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?
what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?
some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?
for what purpose the star point is done in ct
How is the resonant peak, resonant frequency, and bandwidth determined from nichols chart?
what will happen if frequency is below 50 hz?
what is current check gurd relay?
Explain about Leakage Test.
new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection
Explain Even and Odd signals?