subject: Insulators: Resistance That Offers Protection [print this page] An insulator is a material that resists the flow of electricity. Insulators let the significant amount of current flow while protecting the hazards like shock,cross connection, electrocution, short-circuits and fire.
Insulators are used when wires shooting from transformers enter into houses or buildings. Also, they are used to insulate wires by covering or shielding the bare wires.
When utilities are too expensive and cost handsome amount to companies and industries, the protective measures become mandatory than ever. Protective gears like drop out fuses and elements ensure elimination of malfunctions, if any.
An insulator must follow the parameters such as:
1)Reliable Functioning
2)Low Maintenance
3)Smooth and Sturdy Operations
4)Laced with Safety mechanisms such as Drop out fuse
In high power transmission stations 33 KV drop out fuses are reliable method acting as secondary back up during transmission faults. The drop out fuses limit current during short circuits. When the overflow of electricity happens, the metal of fuse melts and disrupts the connection resulting in protection of human beings and safety against transformers and electrical appliances damages. These are used in medium voltage stations such as rural electric station, distribution system and industrial units. Drop out fuses are also termed flip-open cutout fuse. In case, the trouble of short circuits is persistent they can be deployed at high voltage areas as well.
Drop out fuse elements are made up of galvanized steel shielded from electrolytic copper or alloy. The size of fuse and type of elements depend on the requirement of station and level of current tolerance. Such like protection against heavy flow current transmission is provided by Godo Combined sets (with or without L.A.) have been also proved worthwhile. These combined sets are durable and reliable. To prevent moisture ingression, they come with proper sealing.
The manufacturing of conductors, insulators such as fuses is a well structured process. Along with a computer monitoring, the manual assessment of current flow is done to estimate the current flow during transmission. From the initial stages of raw material processing to end product special attention is paid to the nitty- gritty of functioning.
