This letter proposes a simplified converter-level on-state voltage measurement circuit for
power semiconductor devices, without an external power supply and self-power circuit. It …

This article presents an online condition monitoring (CM) scheme for semiconductors used
in modular multilevel converters (MMCs) that comprise cascaded H-bridge submodules. The …

Temperature sensitive electrical parameters (TSEP) provide an indirect and noninvasive
method for on-line junction temperature estimation of power semiconductor devices. It is …

The precise measurement of the on-state voltage of power devices working in real operating
conditions is the key for their characterization as well as health monitoring. This letter …

Due to its acceptable sensitivity to aging, on-state voltage is one of the best degradation
indicators ever devised to monitor the condition of power semiconductors. The steep …

Traditional fault diagnosis (FD) and condition monitoring (CM) methods for three-level T-type
(3L-T) inverters are studied separately, which is not conducive to guaranteeing the reliability …

Health condition monitoring is critical to secure the availability and reliability of the power
semiconductor devices in power converter. Massive efforts have been devoted to the …

Condition monitoring technology can significantly improve system reliability by monitoring
the device degradation process in real-time and implementing predictive maintenance. On …

电压源型变流器(Voltage source converter, VSC) 广泛应用于分布式发电和储能单元等并网
领域中, VSC 系统严重影响并网系统的稳定运行. 开发并网VSC 潜在故障的健康状态监测和早期 …

Insulated Gate Bipolar Transistor modules, known as IGBT modules, play a critical and
indispensable role in a wide range of power converter applications. However, IGBT modules …