Power Contactor Working Principle Pdf

When a relay is used to switch a large amount of electrical power through its contacts it is designated by a special name.

Power contactor working principle pdf.

1 the electromagnetic system including the attraction coil a movable iron core and the static iron core. Take a look. Working of a contactor different types of contactor devices 1. The contacts of the contactors are known for their rapid open and close action.

Although they have been explained in earlier posts their wide use and significance needs to be explained in detail. This includes power contacts auxiliary contacts and contact springs. A contactor is also a type of relay. A contactor is a relay that is used for switching power.

Knife blade switch figure 2. The contacts are the current carrying part of the contactor. 2 the contact system comprising three main contacts and a two normally open two auxiliary normally closed contact it and the movable iron. This video explains the principle of operation of contactors.

Control of electric motor with contactor. Knife blade switch the knife blade switch was used earlier in the late 1800 s. The electromagnet or coil provides the driving force to close the contacts the enclosure is a frame housing the contacts and the electromagnet. كيف يعمل قواطع contactors are electrically controlled switching devices used for switching of e.

It was probably the first ever contactor that was used to. A contactor has three components.