Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar
TCCL,
1250Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com
1253how to find the voltage's of a transmission line plzz help with pictures i am not able to understand
777I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.
1331whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?
DAE,
1026How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.
1212if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain
NCC,
891Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?
ONGC,
982Post New Electrical Engineering Questions
nwhat are the main Components of servo motor?
how unidirectional torque is produced in DC motor?
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?
what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?
WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?
if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .
why i can not use thimble on capacitor duty contactor
What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)
what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)
what is the effect of higher value of GD???
How to work definite,over pluxing,revers power,OSR relay
What do you understand by external characteristics of a d.c. Generator?
what are the factors to be considered while design the breaker either HT or LT??
substation+ plc system
sir plz send some previous year questions of jspl.