Huge source of knowledge about switchgear
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- May- 2019 -31 MayGenerator Circuit Breaker
Hybrid synthetic direct test method for generator circuit breaker (GCB)
In synthetic test circuits, normally applied for high-voltage circuit-breaker testing, current is supplied by a…
Read More » - 30 MayGas Switchgear
Recommended routine test for MV GIS switchgear according to IEEE
Routine tests are a suitable means in order to verify the guaranteed quality and the…
Read More » - 29 MayHigh Voltage Circuit Breaker
Energisation of back to back(b to b) cables by circuit breaker according to IEC
The energisation of a cable by the closing of a CB will result in a…
Read More » - 28 MaySwitchgear Testing
First trip testing method for circuit breakers
“First trip” test is important to determine a condition of the coil operating mechanism and…
Read More » - 27 MayHigh Voltage Disconnector Switch
Capacitive current switching test for high voltage AIS disconnector switch according to IEC
Upon restrike of the disconnector gap, the restriking current basically has three components: high-frequency(HF) component…
Read More » - 26 MayGas Switchgear
Pressure rise in internal arc in medium voltage switchgear
An internal arc fault is an unintentional discharge of electrical energy inside the switchgear. In…
Read More » - 25 MayHigh Voltage Disconnector Switch
Auxiliary interrupting devices for high voltage disconnector switches
The use of auxiliary interrupting devices as attachments on disconnecting switches has been the practice…
Read More » - 24 MayHV AC Switchgear
Voltage shapes for switchgears in grid according to IEC
The voltages and the overvoltages that stress the insulation shall be determined in amplitude,shape and…
Read More » - 23 MayGas Insulated Switchgear
Requirements for enclosure partitioning in GIS design according to IEC standard
Partitioning of a GIS is influenced by the service continuity requirements during maintenance, repair and…
Read More » - 22 MayHigh Voltage Circuit Breaker
General information for switchgear to be contained in the typetest reports according to IEC standard
the manufacturer the type designation and the serial number of the switchgear the rated characteristics…
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