Interested to Buy Any Domain ? << Click Here >> for more details...
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)?
2205why the undervoltage relay's interlock is used in earthswitch closing operation of the 400kV line scheme?
2 5577now a shunt motor is practically a constant speed motor , then how does it meet the increase or decrease in the load ?
1 3429what will happen to the core losses if we perform the open ckt test on high voltage side of a transformer ?
2 4799What 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.
19681.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 6230Post New Electrical Engineering Questions
how to size H.T & L.T Panel ?
Difference between megger test equipment and contact resistance meter test instruments?
can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?
Explain the operation of grid connected central solar inverter ?
The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.
What is speed mode?
If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.
What is the difference between Encoder and Resolver?
How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9
What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?
What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?
Tell me in detail about c.t. And p.t. ?
After doubling voltage from solar cells & use step down voltage transformer can we get high current output with low voltage.
How to back charge the Gas turbine generator
defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?
