Asset management process and techniques can improve the cost-efficiency, balance the
cost and risk, and prolong the service life of the aging switchgears in power grids, which …

High voltage circuit breakers (HVCBs) play a critical role on providing the desired reliability,
and resiliency in power systems. In order to extend their lifetime and predict the failures …

Electrical power systems are exposed to transient disturbances that change the voltage and
current signals of the network, which can interrupt power and damage equipment. In high …

In recent years, applications of artificial intelligence (AI) techniques in fault diagnosis of high-
voltage circuit breakers (HVCBs) have gained wide attention. In real applications, how-ever …

Hybrid DC circuit breakers (HDCCBs) are promising solutions to DC breaking issues.
However, HDCCBs based on forced commutation have the disadvantages of high …

The working condition of opening damper directly affects the opening mechanical
characteristics and component lifetime of high-voltage circuit breaker (HVCB). Vibration …

To maintain reactive power balance, Circuit Breakers (CBs) in AC filter branches of Line
Commutated Converter-High Voltage Direct Current (LCC-HVDC) substation need to be …

In this paper, an effort has been made to evaluate the online condition of arc contacts as a
vital component of interruption chamber in high-voltage puffer-type SF6 circuit breakers. The …

Moving and fixed main and arc contacts used in circuit breakers (CBs) are prone to erosion
with time and usage. Static resistance measurement and dynamic resistance measurement …

The health of contact sets is one of the most critical factors for the breaking capacity of the
high voltage circuit breaker. Dynamic resistance measurement is considered to be an …