A multi-chapter guide describing ceramic insulator: types of ceramic insulators, how to choose ceramic insulators, custom designs, how they are made, uses and applications.
What is a Ceramic Insulator?
A ceramic insulator is a non-conductive insulator made of red, brown or white porous clay that provides a bridge between electronic components and has high dielectric strength and stability and low power loss.
They are easy to maintain and resistant to stains and various residue forms. For many years, ceramics have been used as electrical insulators because of their exceptionally high resistance to electric current.
Widespread use of ceramic insulator began in the 1950s. This product was cheaper, more flexible and more durable, whatever the weather. Production of glass insulators ceased in the 1960s and was completely replaced by ceramic insulators in the 1970s. There are still some glass insulators in use, but only a small percentage.
How Ceramic Insulators are Used
Ceramic Schulter can find a wide variety of applications from power distribution stations to cell phone sales. Materials such as ceramics as insulation are characterized by their non-conductivity and general strength.
Uses for Ceramic Insulators
Wire Support
Ceramic Insulator are used to support wires on utility or telephone poles. Wire support ceramic insulators have an umbrella-like structure that protects the wire and the underside of the insulator from rain or snow. Ceramic wire support insulators are the oldest type of ceramic insulators because of their ability to withstand and withstand harsh weather conditions.
Mechanical Tension
Mechanical stress ceramic insulators are designed for use in situations where a suspended wire or cable pulls on the insulator. Like support ceramic insulators, they are used with overhead wires and radio antennas and power lines. They can be placed between two power lines to isolate them. Mechanical stress Ceramic insulators are suitable for keeping wires tight and straight.
Pole
A pole ceramic insulator consists of a spool insulator attached to a bracket, which is connected to the top and bottom of the spool by a short rod passing through the middle of the insulator. They are attached to walls, columns, corners or surfaces by means of bolts in the center of the bracket. When the angle of the connecting line changes, the pole ceramic insulator adjusts and adapts to the change.
Types of Ceramic Insulators
The many uses of Ceramic Insulator make it imperative for engineers to design and develop ceramic insulator configurations that can fit a wide range of applications. Although ceramic insulators have many uses, the number of types falls into a few basic categories.
Ceramic Corner Post
Corner post ceramic insulators are designed to withstand the stress of fence anchor points or fence lines that change direction. They are also used as fence line termination points. Corner post ceramic insulators come in various shapes and sizes to suit application requirements and can be machined for wire laying.
Ceramic Strain Insulators
Strain ceramic insulators are designed to withstand the strain of suspended electrical wires or cables. They are used to support overhead antennas and power lines where there is mechanical stress. Strain ceramic insulators are placed along the length of the wires so that they are isolated on poles or towers.
The space between the shape elements of strainermic insulators and the load-bearing transfer capacity of the inter. For radio antennas and power lines, tension ceramic insulators withstand the physical strain of wires.
Dog Bone Ceramic Insulators
Dog bone ceramic insulators are strain insulators used for mounting electrical wires and insulating antenna wires. They have a ribbed construction to reduce radio frequency leakage. A dog bone ceramic insulator has a body two to three inches long and has vertical holes at both ends. The ribbing is placed in the holes as seen in the image below.
A variety of materials are used to manufacture dog bone insulators. Ceramic is chosen for its durability and long-term use, eliminating the need for frequent replacement.
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