The time constant of the field winding, Electrical Engineering

Assignment Help:

The field winding of a 200 V d.c. machine has a resistance of 20? and an inductance of 500mH.

Calculate:

(a)  The time constant of the field winding

(b)  The value of current flow one time constant after being linked to the supply

(c)  The current flowing 50 ms after the supply has been switched on. 

 


Related Discussions:- The time constant of the field winding

Explain electric flux density, Electric flux density (D): Electric flux...

Electric flux density (D): Electric flux density is a measurement of electric flux that pass through a unit of plate's area with a coincide angle, that is an area of 1 meter 2

Explain the advantage of synchronous counters, Explain the Advantage of Syn...

Explain the Advantage of Synchronous Counters? The most significant advantage of synchronous counters is that there is no cumulative time delay because all flip-flops are trigg

Design a combination circuit, Design a combination circuit to combine two s...

Design a combination circuit to combine two signals as follows: v 0 = -2 v 1 - 8v 2 - v 3 The following specifications are imposed: R in ≥ 20 k? at all inputs All

Determine the magnetic force on the current element, Q. Given ¯B = (y ¯ax -...

Q. Given ¯B = (y ¯ax - x ¯ay )/(x 2 + y 2 ) T, determine the magnetic force on the current element Id ¯l = 5 × 0.001¯a A located at (3,4,2).

Explain the configuration of a step-by-step switching system, With neat dia...

With neat diagrams explain the configuration of a step-by-step switching system. Schematic diagram for such an exchange is given in Figure.  Every subscriber is connected to a

Calculate the maximum radiation intensity, Q. The power gain of an antenna ...

Q. The power gain of an antenna is 10,000. If its input power is 1 kW, calculate the maximum radiation intensity that it can generate.

Input resistance of an ideal op amp, Q. The input resistance of an ideal op...

Q. The input resistance of an ideal op amp with no feedback is infinite. Investigate the input resistance of an op amp with a feedback resistance RF: (a) When there is no resist

Vlsi, what is the difference between latch and flipflop

what is the difference between latch and flipflop

Determine what is the minimum required sampling rate, 1. An analog informat...

1. An analog information signal, whose maximum frequency is 6000Hz, is to be transmitted using a PCM system. The quantization error must not exceed the 1 % of the peak-to- peak an

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd