Answer Posted / pillay
The thermometer or temp gauge can measure the winding temp
Thee voltmeter can read the voltages the KWH meter
the ammeter can read the loaded current.
other than this we can use the insulation tester, the
phaseing stick the earth resistance tester the oil
dielectric tester
| Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03
A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?
why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.
Is it advantages of having star-delta vfd than normal star vfd , if yes why?
when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com
what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line
How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current
how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?
Define settling time.
in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?
when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil
i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors
How to calculate the copper in HT motors if KW, RPM & Voltage is given
i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.
how balanced in star delta connection ?