Question: A 5 kW , 4 0 0 V star connected synchronous motor with an internal reactance of 1 0 is operating at 5 0 %

A 5kW,400V star connected synchronous motor with an internal reactance of 10 is operating at 50% load at unity pf. Now the excitation is increased by 1%. What will be the new load in percent, if the power factor is to be kept same ?Neglect all losses and consider linear magnetic circuit.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Electrical Engineering Questions!

Q:

the impedence values in question 4 is j0.25 and the reactance is 0.5 10 10 6 1. For the system data given below draw the single line diagram. Represent the power, voltage and impedances in per units...

Q:

please answer all the questions:- A wound DC motor is connected in both a shunt and a series configuration. Assume generic resistance and inductance parameters Ra, Rf, La, Lf, let the field...

Q:

Q. 1. Explain the concept of Operations Management and describe in brief contributions made by Henry Ford and Taguchi. Q. 2. Describe the characterstics of job production and mass production. Q. 3....

Q:

1.A recent critic bemoans what he calls "the Socratic fallacy," namely, the doctrine that one cannot recognize instances to which some general term applies unless one knows, and can give, the...

Q:

1.What is meant by Fayol's principle of'esprit de corps'? 2. Which principle of management implies that there should be 'one head and oneplan' for a group of activities having the same objective? 3....

Q:

Assignment IV An induction motor has an efficiency of 0 . 9 when the shaft load is 4 5 kW . At this load, stator ohmic loss and rotor ohmic loss each is equal to the iron loss. The mechanical loss is...

Q:

1. Compare the tasks, priorities, and responsibilities of first-line, middle, and top managers. 2. Discuss the difference between efficiency and effectiveness. 3. What is a SWOT analysis. Explain...

Q:

Synchronous Generator can be either using permanent magnet or field-excitation coil as their main flux sources are located in rotor part. However, synchronous generator using field-excitation has...

Q:

Question 1: The flux per pole in a synchronous motor with the field circuit ON and the startor disconnected from the supply is found to be 25 mWb. When startor is connected to the rated supply with...

Q:

A 3-phase, 400 V, 5 kW, star connected synchronous motor having an internal reactance of 10 is operating at 50% load, unity p.f. Now, the excitation is increased by 1%. What will be the new load in...

Q:

Illustration 7 ABC Ltd. issued 10,000, 13% debentures of 100 each payable, 30 on application and 70 on allotment. Applications were received for 14,000 debentures. Applications for 9,000 debentures...

Q:

VideoSecu produces wall mounts for flat screen TVs. Assume that the expected income statement for the coming year is as follows: VideoSecu Budgeted income statement for the year Sales ($28 per unit)...

Q:

Tamarisk inc, a greeting card company, had the following statements prepared as of December 3 1 , 2 0 2 5 . \ table [ [ Tamarhk Ine. Comparative Balance Sheat As of December 3 1 , 2 0 2 5 and 2 0 2 4...

Q:

The purpose of this activity is to provide you with a chance to explore Baumrind's four original parenting styles: Authoritative Authoritarian Neglectful indulgent Please identify three different...