Ceramic Insulator Definition

Ceramic insulators are ceramic materials used to insulate electrically conductive materials or temperature controlled enclosures.

Ceramic insulator definition.

In the context of electrical insulation ceramic insulators are usually limited to the insulation of electrically conductive materials on an industrial or municipal scale. If the ceramic is glazed as zareba insulators are the glaze is only baked into the top layer. Insulators made from porcelain rich in alumina are used where high mechanical strength is a criterion. On a hilltop at the edge of town a bunch of drunken hunters were target shooting at the ceramic insulators on bishkek s primary high voltage lines this painting portrays in great detail a skeleton like electrical power transmission tower with dozens of identical ceramic insulators.

Once it s shaped it is fired between 2 100 to 2 300 fahrenheit. Generally it is made up of porcelain material that includes single or a string of insulating discs hanged over a tower. Ceramic is made of red brown or white porous clay. Insulators used for high voltage power transmission are made from glass porcelain or composite polymer materials.

Ceramic is less expensive to produce than porcelain. A suspension type insulator protects an over headed transmission line like a conductor. It operates at above 33kv and overcomes the limitation of pin type insulator like the following.