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in dc machines in the armature nature of power is ac but why we take rasistance instead of impedance?
1 35771.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor
4871what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?
BARC,
1969how to change the load sharing between two synchronized identical alternators when both are running with Diesel engine? assume both are feeding to same feeder?
BARC,
1 3553Post New Electrical Engineering Questions
what is the question paper model for section engineer in RRB
if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)
In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring
How to do maintenance of transformer feeder.
What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?
How to minimize the eddy current losses?
What is The Resistance Formula
When is lag lead compensator is required?
How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts
What is marx circuit?
what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.
Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV
How can i calculate the Breaking capacity of molded case circuit breaker, is the breaking capacity of CB for Diesel generator shall be less than grid supply's breaker ?
What is the basic of DTH.
A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.
