High-power light-emitting diodes (LEDs) and high-brightness LEDs have revolutionized the
lighting industry. The availability of cost-effective LEDs with high luminous flux, efficacy, and …

To solve the problems of existing nonisolated PV grid-connected inverters, such as leakage
current, power pulsation, and harmonic current, a single-phase common-ground-type …

High-power light-emitting diodes (LEDs) having properties of high luminous efficacy and
long life span are becoming a major light source for general illumination. To fully utilize the …

Single-phase ac light-emitting diode (LED) lamps require long-lifespan and high-efficiency
ac-dc power converters for power factor correction (PFC) and current regulation. In such …

Reducing power transmission path is a new trend to increase the whole efficiency.
Moreover, the electrolytic capacitors (E-caps) are another essential criterion for judging the …

Light-emitting diode (LED) lighting applications aided by an electronic power control have
become very attractive in the recent years. For LED lighting applications, it is essential to …

A single-stage ac–dc converter with high power factor (PF) usually suffers from a significant
output voltage ripple at double line frequency. In order to suppress such low-frequency …

In order to match the long life span of light emitting diodes (LEDs), electrolytic capacitor-less
off-line LED drivers have been intensely developed. However, the relatively low power …

Power factor correction, voltage and current ripple reduction, and eradicating short-life
electrolytic capacitors are challenging issues in state-of-the-art ac/dc light-emitting-diode …

A dual-dc-port ac–dc converter-based structure is proposed to suppress the second-order
ripple power in a single-phase ac–dc power system. By constructing a direct power …