Huge source of knowledge about switchgear
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- Sep- 2019 -10 SeptemberHigh Voltage Circuit Breaker
High voltage Incoming and outgoing feeders configuration in switch yards
Incoming and outgoing feeders in switchgear are equipped with circuit breakers and disconnection and earthing…
Read More » - 9 SeptemberSwitchgear Automation
Remote Terminal Unit (RTU) role in switchgear automation
The RTU is a microprocessor-based device that interfaces with a SCADA system by transmitting telemetry…
Read More » - 8 SeptemberHigh Voltage Circuit Breaker
Solution principle for high voltage vacuum interrupter
There are basically two ways to increase the dielectric strength of the vacuum gap to…
Read More » - 7 SeptemberVacuum Switchgear
New vacuum interrupter with pre-insertion contact used for capacitor bank switching
This vacuum interrupter have three terminal vacuum switch module containing both load and pre-insertion contacts…
Read More » - 6 SeptemberHigh Voltage Circuit Breaker
Short Line Fault interruption(SLF) principle in grid by circuit breakers
When a fault is occurred from a transmission line at a distance that ranges from…
Read More » - 5 SeptemberLV Switchgear
Arc chutes principles in air at LV circuit breaker
Photo source from Switching in Electrical Transmission and Distribution Systems book (figure 6.6 page 170)…
Read More » - 4 SeptemberHigh Voltage Circuit Breaker
Disadvantage of overvoltage limitation methods in shunt reactor switching by circuit breakers according to IEEE
Opening resistor:Adds significantly to mechanical complexity of the CB; not viable – technically or economically…
Read More » - 3 SeptemberHigh Voltage Circuit Breaker
Torsion bar spring operating mechanisms for circuit breaker
Photo from Mitsubishi Electric spring operating mechanism with a torsion bar This mechanism have been…
Read More » - 2 SeptemberSwitchgear Testing
Power factor test on circuit breakers
Assess the integrity of both the internal and external insulation. Test sets generally have an…
Read More » - 1 SeptemberSwitchgear Testing
Timing tests method in switchgears
Photo from CIGRE TECHNICAL BROCHURE NO.737 (Non-intrusive methods for condition assessment of distribution and transmission…
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