Dc-dc converter for solar-related energy storage system, and control method thereof
AssigneeLG Innotek Co., Ltd.
InventorsJu Young JANG, Jeong Heum LEE, Ui Seon HWANG
Life of this patent
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Abstract
One embodiment discloses a DC-DC converter which, in a solar-related energy storage system, cuts-off the over-discharging of a battery, and a control method thereof. Specifically, disclosed are a DC-DC converter which protects a battery by appropriately switching between a sleep mode which minimizes battery consumption by maintaining only minimized functions and a cut-off mode which prevents the battery from over-discharging by physically cutting off a circuit connected to the battery, and a control method thereof.
Claims21
1-10. (canceled)
A DC-DC converter comprising:
- an input unit receiving power;
- an output unit converting the power of the input unit and supplying it to a battery;
- a processor configured to determine a mode according to a state of the battery;
- and
- a circuit breaker electrically connecting to or disconnecting from the battery according to the mode,
- wherein the processor is configured to:
- measure a first remaining amount value of the battery in a first operation mode,
- switch the first operation mode to a sleep mode when the first remaining amount value is less than or equal to a first value,
- switch the sleep mode to a second operation mode to measure a second remaining amount value of the battery, and
- switch the second operation mode to a cut-off mode when the second remaining amount value is less than or equal to a second value,
- wherein the circuit breaker separates the battery from the output unit electrically in the cut-off mode of the processor, and
- wherein the second value is smaller than the first value.
A control method of a DC-DC converter comprising:
- determining a first remaining amount value of a battery in a first operation mode;
- switching the first operation mode to a sleep mode when the first remaining amount value is less than or equal to a first value;
- switching the sleep mode to a second operation mode to measure a second remaining amount value of the battery;
- switching the second operation mode to a cut-off mode when the second remaining amount value is less than or equal to a second value;
- and
- separating the battery electrically,
- wherein the second value is smaller than the first value.
A DC-DC converter comprising:
- an input unit receiving power;
- an output unit supplying the power of the input unit to a battery;
- and
- a processor configured to:
- measure a first remaining amount value of the battery in a first operation mode,
- switch the first operation mode to a sleep mode when the first remaining amount value is less than or equal to a first value,
- switch the sleep mode to a second operation mode to measure a second remaining amount value of the battery, and
- switch the second operation mode to a cut-off mode when the second remaining amount value is less than or equal to a second value,
- wherein the battery is separated electrically from the output unit in the cut-off mode of the processor.
Dependencies are inferred from the claim text.