Capacitors are widely used in dc links of power electronic converters to balance power,
suppress voltage ripple, and store short-term energy. Condition monitoring (CM) of dc-link …

DC-link capacitors are an important part in the majority of power electronic converters which
contribute to cost, size and failure rate on a considerable scale. From capacitor users' …

In the present scenario, modular multilevel converters (MMCs) are considered to be one of
the most promising and effective topologies in the family of high-power converters because …

Capacitors are one type of reliability-critical components in power electronic systems. In the
last two decades, many efforts in academic research have been devoted to the condition …

Due to their high specific volumetric capacitance, electrolytic capacitors are used in many
fields of power electronics, mainly for filtering and energy storage functions. Their …

A novel life-cycle monitoring and voltage-managing device for dc-link electrolytic capacitors
in pulsewidth modulation converters is presented. The system performs online identification …

Faults in aluminum electrolytic capacitors (AECs) are classified as the major cause for power
electronics equipment breakdown, mainly due to AECs wear out through the vaporization of …

This paper presents a low-cost method to realize a real-time condition monitoring and a
predictive-maintenance system of an electrolytic capacitor used in uninterruptible power …

A new preventive maintenance strategy for the sensorless condition monitoring of inverter dc-
link aluminum electrolytic capacitors based on equivalent series resistance (ESR) and …

Online monitoring is an inevitable necessity for dc-dc converters in industrial applications to
achieve a fault-tolerant structure, which ensures reliable operation and prevents …