INPUT DETECTION AN PROTECTION CIRCUIT AN AC ELECTRONIC BALLAST FOR HID LAMPS

An input detection and protection circuit and an AC electronic ballast for HID lamps, including a power input circuit performing a first limitation to an input surge voltage and then performing a second limitation to a residual voltage from the first input surge voltage limitation; an input voltage...

Full description

Saved in:
Bibliographic Details
Main Authors JIN, YuXing, Qiu, Ming, DENG, GuanXing
Format Patent
LanguageEnglish
Published 15.07.2021
Subjects
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
Online AccessGet full text

Cover

More Information
Summary:An input detection and protection circuit and an AC electronic ballast for HID lamps, including a power input circuit performing a first limitation to an input surge voltage and then performing a second limitation to a residual voltage from the first input surge voltage limitation; an input voltage acquisition circuit feeding back an input voltage to an MCU chip; a pull-in circuit for a relay connecting to a relay in the power input circuit; a PFC circuit, and an MCU chip controlling the PFC circuit to switch on and off according to voltage values input by the input voltage acquisition circuit, and controlling pull-in and drop-out of the relay through the pull-in circuit for the relay.
Bibliography:Application Number: US201716309283