Huge source of knowledge about switchgear
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- May- 2019 -8 MayHV AC Switchgear
Altitude factor(ka) from sea level for switchgear
For installations at an altitude higher than 1000 m from sea level, the required insulation…
Read More » - 7 MayVacuum Switchgear
Magnetics acuature operating mechanism for circuit breaker
Video from YouTube (Tavrida Electric – Russia circuit breaker operating mechanism) Closing operation:…
Read More » - 6 MayMV AC Switchgear
Medium voltage switchgear interlocks system
Interlocking between different switchgear apparatus and enclosure access covers and doors enhances personnel safety, as…
Read More » - 5 MayHigh Voltage Disconnector Switch
Most important information to be given with enquiries and orders in AIS high voltage disconnector and earthing switch
Particulars of system, i.e. nominal and highest voltages, frequency, number of phases and details of…
Read More » - 4 MayVacuum Switchgear
Diffuse mode in vacuum interrupter
Metal atoms are explosively accelerated from the cathode spots into the switching…
Read More » - 3 MayHigh Voltage Disconnector Switch
High voltage disconnector switch interlocking in AIS substations
Disconnector switches interlock takes 3 basic forms in substations: Mechanical cam-action type (figure left): used…
Read More » - 2 MayVacuum Switchgear
Circuit breaker control function from bay level in substation automation
Control function can be performed from different control levels: From bay level: Through the bay…
Read More » - 1 MaySwitchgear Automation
High voltage circuit breakers signals in substation automation
Circuit breakers are conformed of one or several sealed interrupting chambers in which a dielectric…
Read More » - Apr- 2019 -30 AprilHV AC Switchgear
FCLs and role in grids
Fault current limiters (FCLs) are special power system devices used to mitigate and lower high…
Read More » - 29 AprilGas Insulated Switchgear
Typical sensors used for UHF PD measurement for GIS
In most types of GIS, the UHF energy is concentrated between 100 MHz and 2…
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