we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.
1625Why one side of secondary of transformer is earthed, to supply single conductor of electric traction system?
1 3294What is the meaning of electricity? How it is being produced? Can we store the electricity? When we produce electricity what is the capacity of voltage current we are getting? If we need 440 volts how to get it? In case, if we want lower than 440 volts how to change it? Please answer?
1 3721How voltage regulation is calculated for over head transmission line? What do we mean by Conductor constant while calculating voltage regulation? how it is differ for for diffrent type of conductor say AAAC DOG & AAAC RACOON conductor?
3 19885Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.
ABB,
9004Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.
1611what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?
4621Post New Electrical Engineering Questions
i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams
what are the disadvantages in GIS over AIS
What are the conditions to be satisfied for parallel operation of dc generators?
How shall i select the value of capacitor or inductor in a system?
Dear Respected sir how to test ABB REX521 protection relay by relay tester.
HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
Does the motor power displayed on the Motor name plate is the mechnical power motor delivers or it is consumed power from the system?
what is kondo syatem in eletrical traction
What is the name of transformers oil filteration equipment?
Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.
v/f drive basic princeple
Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?
what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?
What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1
Explain (in simple ) - root mean square. whats its role in electrical fundamandal.where its used