Determine ull load torque tfl in newton metres

Assignment Help Electrical Engineering

Reference no: EM13290925

A 75 kW, 8 pole star connected induction motor operates froma 415 V, 50 Hz supply and draws 140 A when supplying full load.Determine:
1. the synchronous speed Ns;
2. the rotor speed Nr if the full load slip is 2.5%;
3. full load torque TFL in Newton metres developed by the motor.

Reference no: EM13290925

Questions Cloud

Explain what will the current be when the speed is reduced : A separately excited DC generator,when running at 1200 RPM, supplies 200A at 125V to a circuit ofconstant resistance. What will the current be when the speed is reduced to 1000 RPM if the field current remains unchanged

Compute the volume in liters of calcium sulfate : Calculate the volume in liters of a 0.00360 mol/L calcium sulfate that contains 75.0g of calcium sulfate (CaSO4)

What are the two reasons for doing so : You own a bond portfolio and expect the market interest rate to increase for the foreseeable future. (a) What should you do with regards to the Duration of the portfolio and your own investment horizon? (b) What are the two reasons for doing so?

Find the magnitude and direction of given vector : Let B = 5.10 m at 60°. Let vector C have the same magnitude as vector A and a direction angle greater than that of vector A by 25°. Find the magnitude and direction of vector A

Determine ull load torque tfl in newton metres : A 75 kW, 8 pole star connected induction motor operates froma 415 V, 50 Hz supply and draws 140 A when supplying full load.Determine: 1. the synchronous speed Ns;

Calculate the current in the motor : A 120-V motor has mechanical power output of2.10hp. It is84.0%efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor

What happen if a independant current source is in parallel : based upon the Norton thevenin equivalentcircuits (Method of short circuit through nodal analysis) When there is a short circuit present, any resistor in parallel will not have current running through it. But what if: 1) A independant current source ..

Calculate the present value of growth opportunities : Calculate the Present Value of Growth Opportunities based on the following information: Earnings Per Share = $8.00, Required Rate of Return = 14%, Dividends Per Share = $1.50, Return on Equity = 16%.

Explain didn''t have a computer or data system available : If you didn't have a computer or data system available, how would you measure the area of the peak. After all, someone's DUI may hinge on this measurement, and you may have to defend your calculation in court

User Account

All Pages