Direct Current Dc Generator Diagram

There are two types of generators dc generators and ac generators.

Direct current dc generator diagram.

Direct current dc direct current is a bit easier to understand than alternating current. Before we can explain the working principle of a dc generator we need to cover the basics of generators. Although dc generators are no longer used in the majority of automobile electrical systems ac alternators using bridge rectifiers to convert ac to dc are used instead with the rectifier circuit naturally preventing reverse current this application provides an excellent opportunity to explore an application of relay technology in the context. When direct current passes through the field winding it magnetizes the poles which in turns produces the flux.

Armature of dc generator. The dc generator diagram is shown below. In the first practical electric generators called dynamos the ac was converted into dc with a commutator a set of rotating switch contacts on the armature shaft. Dc can be generated in a number of ways.

The current so produced is called direct current dc. Direct current dc is the one directional or unidirectional flow electric charge an electrochemical cell is a prime example of dc power. The energy alteration process uses the principle of energetically induced electromotive force. However many early uses of electricity required direct current dc.

A dc generator is an electrical machine which converts mechanical energy into direct current electricity this energy conversion is based on the principle of production of dynamically induced emf. The field coils of all the poles are connected in series in such a way that when current flows through them the adjacent poles attain opposite polarity. This article outlines basic construction and working of a dc generator. Direct current may flow through a conductor such as a wire but can also flow through semiconductors insulators or even through a vacuum as in electron or ion beams the electric current flows in a constant direction distinguishing it from alternating.

The basic design of ac and dc generators is similar. Construction of a dc machine. Both dc and ac generators convert mechanical power to electrical power a dc generator produces direct power while an ac generator produces alternating power. Rather than oscillating back and forth dc provides a constant voltage or current.

What is a dc generator. Direct current dc electric circuits. The two generators differ only in the design of slip rings at the ends of the coil wire. An ac generator equipped with a device called a commutator can produce direct current.

A dc circuit is necessary for dc electricity to exist. Dc generator differ from an ac generator.