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US 12,470,150 B2Granted
Converter and converter control method
AssigneeLG Innotek Co., Ltd.
InventorsSoo San Kim, Kwang Soon Jung
Life of this patent
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Abstract
A converter according to an embodiment of the present invention comprises: a switching unit including a plurality of switches; a voltage transformer connected to the switching unit; a rectifier switch connected to the voltage transformer; and s sensor connected to a primary coil of the voltage transformer, a secondary coil of the voltage transformer, or the rectifier switch.
Claims17
A converter comprising:
- a switching unit comprising a plurality of switches;
- a transformer connected to the switching unit;
- a rectifier switch connected to the transformer;
- a sensor connected to a primary coil of the transformer, a secondary coil of the transformer, or the rectifier switch;
- and
- a controller configured to control converting operation of the converter,
- wherein the rectifier switch comprises a first rectifier switch and a second rectifier switch connected in parallel to each other,
- wherein the secondary coil of the transformer comprises a first coil connected in series with the first rectifier switch and a second coil connected in series with the second rectifier switch,
- wherein the sensor measures voltage of voltage of the first coil and voltage of the second coil,
- wherein the sensor comprises:
- a first differential amplifier amplifying a voltage difference between both ends of the first coil and applying the amplified voltage to the controller;
- and
- a second differential amplifier for amplifying a voltage difference between both ends of the second coil and applying the amplified voltage to the controller.
10 more elements
A converter comprising:
- a switching unit;
- a transformer changing voltage outputted from the switching unit;
- a rectifier switch rectifying output voltage of the transformer;
- a sensor detecting voltage of a primary coil of the transformer, a secondary coil of the transformer, or the rectifier switch;
- and
- a controller configured to control converting operation of the converter,
- wherein the rectifier switch is turned off according to a rising time point or a falling time point of the voltage of the primary coil of the transformer, the secondary coil of the transformer, or the rectifier switch,
- wherein the rectifier switch comprises a first rectifier switch and a second rectifier switch connected in parallel to each other,
- wherein the secondary coil of the transformer comprises a first coil connected in series with the first rectifier switch and a second coil connected in series with the second rectifier switch,
- wherein the sensor measures at least one voltage of voltage of the first coil and voltage of the second coil,
- wherein the sensor comprises:
- a first differential amplifier amplifying a voltage difference between both ends of the first coil and applying the amplified voltage to the controller;
- and
- a second differential amplifier for amplifying a voltage difference between both ends of the second coil and applying the amplified voltage to the controller.
11 more elements
Dependencies are inferred from the claim text.