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The coils having selfinductancs 10mh and15mh,effective inductance 40mh when connected in series aiding. what will be the equivalent inductance if we connect them in series opposing?
BSNL,
1 2190What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer
1843The 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?
1579Three phase power is measured with two wattmeeter for balance three phase load.the reading of one wattmeter is zero.we can conclude that the power factor of balance load is?
1 2192Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not
1596I have a 380 KVA DG set. How can i find out 1. My Fuel Consumption per hr ? 2. Electricity produced in 1 Hr. ? 3. If load varies then how does it affect fuel consumption & electricity produced ? Please HELP !!! Really need an answer.
2583Post New Electrical Engineering Questions
why capacitive load is not used in routine life????any reason is there ??????
what are the preventive maintanance actions taken for air circuit breaker? please answer me
can the measured percentage error during calibration of single phase energy meter be negative?
Tell me all plants load factors i.e which plant operating on which load?
what is the illumination level required for child play area?
lamination figures
How to measure the Harmonic Distortion of UPS ie THD?
How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?
1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?
1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?
How to megger test 11 kV cable and the acceptance IR value
1.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
How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?
What is Negative Potential Bias
how point on wave controller works.
