Fuse

A fuse is an electrical appliance that breaks a circuit by breaking heat from the heat generated by itself when the current exceeds a specified value. A fuse is a current protector made by applying this principle after the current exceeds a specified value for a period of time to melt the melt by its own heat.

lightning arrester

Arrester,surgearrester.1)Anapplianceusedtoprotectelectricalequipmentfromhightransientovervoltagehazardsandtolimitfreewheelingtimeandoftenlimitfreewheelingamplitude.Thistermencompassesanyexternalclearancenecessarytoperformthenormalfunctioningoftheapplianceatthetimeofinstallation,whetherornotitisacomponentofthewhole.Note1:Thearresterisusuallyconnectedbetweenthegridconductorandthegroundwire,butsometimesitisconnectednexttotheelectricalwindingorbetweentheconductors.Note2:Lightningarrestersaresometimesreferredtoasovervoltageprotectors,surgedividers.Excerptedfrom:"Electricalterminologyarrester,lowvoltagesurgeprotectorandcomponents",GB/T2900.12-2008.2)Arresterisanotherimportantdevicethatisoftenusedwhencommunicationcablesareprotectedagainstlightningdamage.Thefollowingdescribestherelevantknowledgeofthearrester.

Insulator

Insulators are a special type of insulation control that can play an important role in overhead transmission lines. In the early years, insulators were mostly used in utility poles. Later

What is power engineering?

Electric power engineering, that is, engineering related to the production, transportation, and distribution of electric energy, also broadly includes engineering that uses electricity as a power and energy source in various fields.

Power industry: policy frequency and electricity reform to promote the development of electricity sales service market

In the "Government Work Report", Li Keqiang proposed to further promote the development of related fields such as energy clean-up, manufacturing intelligence, rural power grid transformation, and power system reform. The guidance of the Energy Internet was introduced

Electrical energy production, transmission and distribution

Since the 20th century, the production of electric energy has mainly been thermal power plants, hydropower stations and nuclear power plants. Where conditions permit, tidal