Power Contactor Working Principle Pdf

A contactor has three components.

Power contactor working principle pdf.

كيف يعمل قواطع contactors are electrically controlled switching devices used for switching of e. Enclosures are made of insulating materials such as bakelite nylon 6 and. When a relay is used to switch a large amount of electrical power through its contacts it is designated by a special name. A contactor is also a type of relay.

Contactor contactors typically have multiple contacts and those contacts are usually but not always normally open so that power to the load is shut off when the coil is de energized. A contactor is a relay that is used for switching power. Knife blade switch figure 2. Control of electric motor with contactor.

This video explains the principle of operation of contactors. This includes power contacts auxiliary contacts and contact springs. Take a look. The contacts of the contactors are known for their rapid open and close action.

Knife blade switch the knife blade switch was used earlier in the late 1800 s. Although they have been explained in earlier posts their wide use and significance needs to be explained in detail. 2012 01 07 14 45 17 ac contactor of the working principle and structural characteristics of ac russian contactor has four main components. 2 the contact system comprising three main contacts and a two normally open two auxiliary normally closed contact it and the movable iron.

1 the electromagnetic system including the attraction coil a movable iron core and the static iron core. The contacts are the current carrying part of the contactor.