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- Apr- 2019 -14 AprilSwitchgear Automation
Online GIS PD monitoring system according to IEC61850 protocol
UHF and ultrasonic can detect PD well; each method has its advantages. UHF method is…
Read More » - 13 AprilHigh Voltage Circuit Breaker
Gasket design for SF6 leakage
Leaks occur because the gaskets used in the equipment begin to leak as the gasket…
Read More » - 12 AprilVacuum Switchgear
Vacuum circuit breaker for ELECTRIC ARC FURNACES (EAF) switching
In furnace we have real and reactive power, and the furnace resistance and reactance can…
Read More » - 11 AprilFuse
Medium voltage fuse structure and principle
For medium voltage fuse it is often necessary to have fuse elements that are longer…
Read More » - 10 AprilSwitchgear Automation
Smart vacuum circuit breaker prototype based on IEC61850 standard
The IEC61850 standard can be extended based on the characteristic of smart vacuum breaker status…
Read More » - 9 AprilHigh Voltage Circuit Breaker
Typical transient recovery voltage waveshapes under fault conditions
TRV waveshapes caused by fault current interruption are usually classified into three types: exponential,oscillatory, and…
Read More » - 8 AprilHigh Voltage Circuit Breaker
Typical timing sequence for controlled opening in highvoltage circuit breaker
The term controlled opening (de-energization) refers to the technique of controlling the contact separation of…
Read More » - 7 AprilSwitchgear Automation
Gas insulated switchgear (GIS) condition monitoring automation system based on IEC61850 protocol
This system have 3 part: Sensor part: this part is consist of Single Wall Carbon…
Read More » - 6 AprilGenerator Circuit Breaker
Generator circuit breakers(GCB) role in gas turbine power plants
When a gas-turbine generator is started-up, its rotor must be accelerated by external means to…
Read More » - 5 AprilHigh Voltage Circuit Breaker
Electrical wear phenomena in ageing high voltage circuit breakers in substation
This phenomena is observed on Contacts and Nozzles in circuit breakers at service voltage.Contacts of…
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