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When VFD is connected to a 3 phase main supply there is load current difference between incomer to VFD and outgoing from VFD.
1 5686What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva
2169AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?
2 6302i need of the bhel question papers along with answers and also give some website names for the downloading question (electrical and electronics engg question)please help me....
1873If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?
2 5976I have a transformer whose primary operates at 230V, 50Hz for which the secondary voltage will be 12V, 50Hz. What will be the secondary voltage if the primary is fed with 400V, 8KHZ Signal?
ABB,
6 9873what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
2067Post New Electrical Engineering Questions
How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?
How to calculate the multiplying factor for energy meter with ct ratio given
What are the disadvantages of autotransformer?
what can be the causes of capacitor start motor having a higher current that its actual
DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS
STATE USE OF ARC RUNNERS & SPLITTERS ?
how to measure the current by compact digital equipment with dislay which fit inside any equipment
WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.
What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.
what is the difference between electrical choke and electronic choke?
why HT armoured cable does not glanding
Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?
I need HT sphere gap calibration table. Can any body help me.
What is Negative Potential Bias
Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line; i.e. the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The maximum value of n1(P) over all configurations P of 19 points in the plane is 18
