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How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side
1 3730how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?
2208why the undervoltage relay's interlock is used in earthswitch closing operation of the 400kV line scheme?
2 5588now a shunt motor is practically a constant speed motor , then how does it meet the increase or decrease in the load ?
1 3430what will happen to the core losses if we perform the open ckt test on high voltage side of a transformer ?
2 4800What will happen if the interpoles in case of a generator have opposite polarities to that behind it in the direction of rotation ?
1 4291if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.
19711.what is difference between line,neutral and earth 2.IF single phase voltage is 230v ac and what should be the voltage between line to neutral,neutral to earth and earth to line
1 6232Post New Electrical Engineering Questions
Where can I get CPWD electrical specifications & Shedule of rates? Please help me
What is difference between YNyn0 and YNyn ??
Write the programming software name for LG, SIEMENS,Messung,AB
are there rmu for 3 transformer?
Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????
Can any body tell gulf interview question for experienced electrical engineer ?
what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv
all details of DG UPS HVAC
Merits & Demarits of Oil circuit & Air circuit breakers ?
What is depreciation factor?
in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?
Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.
A 100KVA SINGLE PHASE TRANSFORMER 10000/200V,50HZ REQUIRES 300V AT HV SIDE TO CIRCULATE FULL LOAD CURRENT WITH LV SHORT CIRCUITED.THE INTAKE IS 1000W.THE % OF REGULATION ON FULL LOAD AT 0.8 PF LAGGING WILL BE HOW MUCH AND THE SECONDARY TERMINAL VOLTAGE ON 0.8 PF LEADING WILL BE
why does make gain margin and phase margin on same plot.?
how to find the Motor,s insulation Power?
