Power Contactor Working Principle Pdf

Working of a contactor different types of contactor devices 1.

Power contactor working principle pdf.

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. It was probably the first ever contactor that was used to. The electromagnet or coil provides the driving force to close the contacts the enclosure is a frame housing the contacts and the electromagnet. This includes power contacts auxiliary contacts and contact springs.

Knife blade switch figure 2. Take a look. 1 the electromagnetic system including the attraction coil a movable iron core and the static iron core. Control of electric motor with contactor.

This video explains the principle of operation of contactors. Enclosures are made of insulating materials such as bakelite nylon 6 and. كيف يعمل قواطع contactors are electrically controlled switching devices used for switching of e. Although they have been explained in earlier posts their wide use and significance needs to be explained in detail.

2 the contact system comprising three main contacts and a two normally open two auxiliary normally closed contact it and the movable iron. The contacts of the contactors are known for their rapid open and close action. A contactor is also a type of relay. The contacts are the current carrying part of the contactor.

When a relay is used to switch a large amount of electrical power through its contacts it is designated by a special name. Knife blade switch the knife blade switch was used earlier in the late 1800 s.