Overall efficiency of dc generators is usually of the order of 60 to 70% O 70 to 80% 80 to 90% 85 to 95%

Q: uèstion 7 A shunt generator running at 1000 r.p.m. has generated e.m.f. as 300 V. If the speed…

A: In this question, choose the correct option What is emf at speed = 1200rpm

Q: An ideal dc generator has regulation of 40% O 20% 30% O Zero

A:

Q: To change the direction of rotation of a series wound DC generator the general rule is to

A: To change the direction of rotation of a series wound DC generator  Note: we always change the…

Q: In DC generators, lap winding is suitable for ) high voltage, high current low voltage, high current…

A:

Q: The voltage regulation of alternator can be regulated by changing its rotational speed. O True O…

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Q: Can you explain the given questions in an original way? Factors Affecting Electrical Energy in DC…

A: Electrical machines can be either generator, transformers, or motors. They can be either Ac machines…

Q: D.C shunt generators are most suitable for arc winding

A: The most suitable DC genrator for arc welding is Differential compund genrator.

Q: In generator, the generated e.m.f will increase with the load. separately excited dc generator self…

A: In this question we need to choose a correct option.

Q: In a DC machine, the reversal of currentrom one direction to opposite direction is done by O…

A: In this we will write about reversal of current in dc machine....

Q: Need asap. If the generated voltage of a separately excited generator is 100 v at 1200 rpm at what…

A: The solution can be achieved as follows.

Q: If residual magnetism of a shunt generator is destroyed due to any reason, it may be restored by…

A:

Q: Permanent-split capacitor motor is in effect a 2-phase motor and at no load could attain the…

A: True and false?  Permanent-split capacitor motor is in effect a 2-phase motor and at no load could…

Q: The shunt DC generator gives almost O Constant current O None of these O Constant voltage O Constant…

A:

Q: One of essential condition for paralleling two DC generators is     Equal current     Correct

A: Paralleling of DC generators is performed to have greater reliability.

Q: A 6 pole DC lap wound generator has 41 armature conductors with flux per pole is 23 mWb and the…

A:

Q: Explain how the real and reactive power is controlled in synchronous generators.

A: Synchronous generators: Synchronous generators, also known as alternators, are a type of electrical…

Q: A 6 pole DC wave wound generator has 22 armature conductors with flux per pole is 24 mWb and the…

A:

Q: The distribution factor for 90 slots, 10-pole, 3-phase winding is A 0.90 B C D 0.895 0.959 0.978

A: Given: A 3-phase winding machine with, Slots = 90. Pole = 10.

Q: In DC shunt generator, the load characteristics is drawn between

A: In DC shunt generator,load characteristics is drawn between the terminal voltage and load current.…

Q: In DC machines the number of parallel paths for a wave winding ger Select one: O a. Three h Two

A: There are two type of winding in DC machine . 1. Lap winding 2. Wave winding.

Q: 5- In a DC generator in case the resistance of field winding is increased, then output voltage will…

A: In a dc generator , When resistance of winding is increased .the to maintain the current. Voltage…

Q: A separately excited dc generator generates 230 V when driven at 1200 rpm of the field flux is…

A:

Q: A separately excited D.C. generator has an armature circuit resistance of 0.1 ohms. And the total…

A: Armature resistance Ra = 0.1 Ω Total brush drop = 2 V Number of rpm N1= 1000 Armature current I =…

Q: A 6 pole DC wave wound generator has 39 armature conductors with flux per pole is 4.2 mWb and the…

A: Given data, P=6A=2 (wave wound)Z=39ϕ=4.2 mWbE=2.6 V

Q: The load characteristic curve of the DC generator is the relationship between the O Load current and…

A: Correct answer is Load voltage and load current the load characteristics are also called external…

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.