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IN THE CASE OF AN ELCB, IF THERE IS ANY UNSTABILITY BETWEEN PHASE AND NEUTRAL IT MAY TRIP. BUT MY QUESTION IS WHEN A LOAD IS CONNECTED IN BETWEEN P AND N, THE LOAD CONSUMES SOME POWER AND THERE IS A DIFFERENCE IN NEUTRAL WITH RESPECT TO THE PHASE. THUS ACCORDING TO ME, THE ELCB WILL AUTOMATICALLY OPERATES WHEN EVER THE LOAD CONSUMES-- I KNOW IT IS WRONG. BUT THE SOLUTION IS?????????
KSEB,
1 4269while we select CT, why the CT ratio is divided by 5?? ex:250/5,15VA,CLASS-1 CT.Why it is divided by 5??Help me please
2 4946what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please
1 3669What should be the overcurrent, instantaneous overcurrent, short cicuit current settings (i.e. how many times of motor full load and what is the time duration) for a motor?
1 287912.5 KVAR capacitor 440V gas filled, Its used for windmill purpose, How can i know about microfarad value for this capacitor
2 4782I know the Capacitor value- 12.5KVAR, voltage 440V gas filled, then what is the formula for calculate the microfarad value for this 12.5KVAR capacitor
2 4188WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.
ACC,
1 4134RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?
2030Kindly give the brief explanations for checking 12.5 kvar 440V, 25 KVAR 440V, 12.5KVAR 690V, 25 KVAR 690V capacitors microfarad values. what is the microfarad values for the above four type of capacitors, and give the formula explanations briefly. I know F-50HZ, voltage, and capacitor.
1 4661Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?
2157Post New Electrical Engineering Questions
Define open loop control system.
i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me
What do you mean by a current transformer?
how to operate and maintenance of 1500 kva diesel generator set
What happens to a motor if it is connected in Delta connection
why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?
What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?
what are all the components required to assemble solar panel other than pv cell?
in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?
Difference between control junction box (cjb) and power junction box(pjb)?
working function importance of mdc meter
what mean by analog ,digital,numerical meters and relays? say the example?
Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?
is there any lightning by passer is arranged in ship like buildings?
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.
