Contactless power charging system and energy storage system including the same
First Claim
1. A contactless power charging system, comprising:
- a contactless transformer configured to transmit power stored in a battery to a load, wherein the contactless transformer includes;
a primary core unit, the primary core unit including a first base portion, a projecting portion projecting from the first base portion, and a primary coil wound at an end of the projecting portion; and
a secondary core unit, the secondary core unit including a second base portion, a concave portion in the second base portion to receive the projecting portion, and a secondary coil on an inner surface of the concave portion, the secondary coil being configured to couple to the primary coil, andwherein;
the projecting portion is between the primary coil and the base portion, andthe secondary coil projects inwardly from the inner surface of the concave portion and surrounds the primary coil.
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Accused Products
Abstract
A contactless power charging system and an energy storage system including the same, the contactless power charging system including a contactless transformer configured to transmit power stored in a battery to a load, wherein the contactless transformer includes a primary core unit, the primary core unit including a first base portion, a projecting portion projecting from the first base portion, and a primary coil wound around the projecting portion; and a secondary core unit, the secondary core unit including a second base portion, a concave portion in the second base portion to receive the projecting portion, and a secondary coil on an inner surface of the concave portion, the secondary coil being configured to couple to the primary coil.
254 Citations
19 Claims
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1. A contactless power charging system, comprising:
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a contactless transformer configured to transmit power stored in a battery to a load, wherein the contactless transformer includes; a primary core unit, the primary core unit including a first base portion, a projecting portion projecting from the first base portion, and a primary coil wound at an end of the projecting portion; and a secondary core unit, the secondary core unit including a second base portion, a concave portion in the second base portion to receive the projecting portion, and a secondary coil on an inner surface of the concave portion, the secondary coil being configured to couple to the primary coil, and wherein; the projecting portion is between the primary coil and the base portion, and the secondary coil projects inwardly from the inner surface of the concave portion and surrounds the primary coil. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An energy storage system for converting power generated by a photovoltaic power generation system and supplying the converted power to a grid or a load or storing the converted power in a battery, supplying power supplied from the grid to the load or converting the supplied power and storing the converted power in the battery, and converting power stored in the battery and supplying the converted power to the grid or the load, the energy storage system comprising:
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a contactless power charging system configured to charge a battery of an electrical moving object with the power stored in the battery by using a contactless transformer, wherein the contactless transformer includes; a primary core unit, the primary core unit including a first base portion, a projecting portion projecting from the first base portion, and a primary coil wound at an end of the projecting portion; and a secondary core unit, the secondary core unit including a second base portion, a concave portion in the second base portion to receive the projecting portion, and a secondary coil on an inner surface of the concave portion, the secondary coil being configured to couple to the primary coil, and wherein; the projecting portion is between the primary coil and the base portion, and the secondary coil projects inwardly from the inner surface of the concave portion and surrounds the primary coil. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. An energy storage system, comprising:
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a maximum power point tracking (MPPT) converter configured to convert power generated by a photovoltaic power generation system and to output the converted power to a first node; a bidirectional inverter connected between the first node and a second node to which a grid and a load are connected, the bidirectional inverter being configured to; convert a first power input through the first node into a second power and output the second power to the second node, and convert power supplied from the grid into the first power and output the first power to the first node; a battery configured to store a third power; a bidirectional converter connected between the battery and the first node, the bidirectional converter being configured to; convert the third power output from the battery into the first power and output the first power to the bidirectional inverter through the first node, and convert the first power output through the first node from the bidirectional inverter into the third power and store the third power in the battery; an inverter configured to convert the third power stored in the battery into a fourth power; a primary core unit configured to transmit the fourth power to a battery of an electrical moving object in a contactless manner, the electrical moving object including a secondary core unit; and an integrated controller configured to control power conversion of the MPPT converter, the bidirectional inverter, the bidirectional converter, and the inverter. - View Dependent Claims (17, 18, 19)
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Specification