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We operate a 10 Mw facility and we have been experiencing several trips due to fluctuations on the MVAR? We have checked all issues related to the AVR and we have found all OK? Can anyone help us? The grid voltage, internal voltage, all regular parameters look ok. MVAR fluctuate and there it goes the unit? What could be happening? Thanks!
5 6812HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U
2548What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??
1908Post New Electrical Engineering Questions
what purpose to use excaiter in DG.?
I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.
What is excitation in case of dc motor?
what are inherent currents?
The magnitude of sum of two sinusoidal av voltage is equal to 230 volt.the magnitude of each individual voltage is also equal to 230 volt.what must be the phase difference between voltages?
advantages and disadvantages of inverse definite minimum time RELAY
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?
how does a submersible pump work..?
for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv
Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.
how to measure earth resistance of a substation
Is it possible to connect a safety device in to parallel?
What are the types of class b amplifier?
working principles of cf lamp,incandescentlamp and f lamp?
