difference between dc generator and ac generator pdf

Difference Between Dc Generator And Ac Generator Pdf

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The Electric Motor and Generator are differentiated on various factors like the main principle of working or function of the motor and generator.

Difference between AC and DC Generator

As we know that electrical generator is one kind of machine, used to change the energy from mechanical to electrical using the electromagnetic induction principle. So this will cause a flow of current within the conductors. Here, the flow of the current direction can be found with the help of the right-hand rule of Flemming. Based on the attained output, this electrical generator can be classified into two types namely AC generator and DC generator. This article discusses the main difference between AC and DC generators.

Basic construction and working of a DC Generator.

Electrical Academia. The AC generator generates an output voltage which alters in amplitude as well as time whereas the DC generator generates a constant output voltage which does not change in amplitude as well as time. The electrical energy we utilize has two fundamental types, one is known as Alternating while the other one is Direct. The electric power in homes has alternating current and voltages, but in an automobile currents and voltages are constant. Both types have their own particular uses whereas the technique of producing the both is same, which is called electromagnetic induction. The machines which produce an electric power are called generators, and AC and DC generators are different from each other by the method they apply to pass the produced current to the external circuit.

The AC current changes its polarity and magnitude periodically and continuously with respect to time. The Ac current can be produced with a device named alternator that produces the alternating current. Suppose a piston is inserted inside a pipe and connected with a rotating rod as in the pin pic below. Here the piston has two strokes one towards upward and the other towards backward on the upward stroke, the water moves in a clockwise direction and the backward direction the water displaces in an anticlockwise direction so in this way water direction changes its direction periodically with oscillation of the piston. Every Ac Waveforms have a divider line or called the zero voltage line that divides the waveform two halves as the Ac current changes the magnitude and direction periodically so on every one complete cycle it reaches zero volts. The total amount of time taken by a waveform to repeat itself or to repeat its one cycle is called time period.


uniform magnetic field in a convenient fashion induces a voltage between the loop terminals. This effect can be used to build an electric power generator, such as.


Electric generator

The major difference between the alternator and the generator is that in alternator the armature is stationary and the field system rotates whereas in the generator armature rotates and field is stationary. The armature of the alternator is mounted on the stationary element called stator and field winding on a rotating element. While the connection of a generator is just the reverse of it.

In electricity generation , a generator [1] is a device that converts motive power mechanical energy into electrical power for use in an external circuit. Sources of mechanical energy include steam turbines , gas turbines , water turbines , internal combustion engines , wind turbines and even hand cranks. The first electromagnetic generator, the Faraday disk , was invented in by British scientist Michael Faraday.

What is the difference between AC and DC Generator?

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Difference between AC and DC Generator

Затем, в отчаянии, он поднял над собой левую руку, чуть не задев по лицу пожилого человека. Камера выхватила исковерканные пальцы Танкадо, на одном из которых, освещенное ярким испанским солнцем, блеснуло золотое кольцо. Танкадо снова протянул руку. Пожилой человек отстранился. Танкадо посмотрел на женщину, поднеся исковерканные пальцы прямо к ее лицу, как бы умоляя понять. Кольцо снова блеснуло на солнце. Женщина отвернулась.

 Да, сэр, я… - Джаббе? - Фонтейн гневно поднялся.  - Какого черта вы не позвонили Стратмору. - Мы позвонили! - не сдавалась Мидж.  - Он сказал, что у них все в порядке.

 Он сказал, что на руке у мистера Танкадо было кольцо.

Тело его сначала оказалось в воздухе, а потом - на жестком полу. Из тени на авенида дель Сид появилась фигура человека. Поправив очки в железной оправе, человек посмотрел вслед удаляющемуся автобусу.

4 comments

Favor P.

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Kunjan P.

A dc generator is an electrical machine which converts mechanical energy into direct current electricity.

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Munira C.

In a DC generator, the electrical current flows only in one direction. In an AC generator, the coil through which the current flows is fixed while the magnet moves. The construction is simple and costs are less. In a DC generator, the coil through which the current flows rotate in a fixed field.

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Lori W.

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