Hybrid power supply system, its power supply method and electrical equipment
A technology of power supply system and power supply method, which is applied in the direction of current collectors, battery circuit devices, photovoltaic power generation, etc., can solve the problem of single applicable power supply, and achieve the effect of solving single applicable power supply and expanding application occasions
Active Publication Date: 2018-04-13
GREE ELECTRIC APPLIANCES INC
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[0007] The main purpose of the present invention is to provide a hybrid power supply system and its power supply method and electrical equipment, so as to solve the problem of a single applicable power supply for the hybrid power supply system in the prior art
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[0039] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0040] The embodiment of the present invention provides a hybrid power supply system. The hybrid power supply system provided by the embodiment of the present invention is introduced in detail below:
[0041] figure 2 is a schematic diagram of a hybrid power supply system according to an embodiment of the present invention, such as figure 2 As shown, the hybrid power supply system mainly includes a solar cell array 10, a boost circuit 40, a DC bus 50, a converter circuit 60, an inverter 30, and a motor M, wherein the converter circuit 60 mainly includes a three-phase full-bridge power device , energy storage inductance and filter inductance L1, L2 and L3, energy storage capacitors C1 and C2...
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The invention discloses a hybrid power supply system, a power supply method thereof and electrical equipment. The hybrid power supply system comprises a solar cell array, a boosted circuit, a DC bus, a converter circuit, an inverter and a motor, wherein the input end of the boosted circuit is connected with the solar cell array, the DC bus is connected with the output end of the boosted circuit, the converter circuit is connected with the DC bus and is connected with a three-phase AC supply, the converter circuit is provided with a three-phase full-bridge power device, the input end of the inverter is connected with the DC bus, and the motor is connected with the output end of the inverter. By the adoption of the hybrid power supply system, the power supply method thereof and the electrical equipment, the problem of the prior art that a hybrid power supply system is only adaptable to a single power supply is solved, and then the hybrid power supply system can be applied on more occasions.
Description
technical field [0001] The invention relates to the field of power supply, in particular to a hybrid power supply system, a power supply method thereof, and electrical equipment. Background technique [0002] figure 1 is the topology diagram of the hybrid power supply system in the prior art, such as figure 1 As shown, the hybrid power supply system mainly includes: solar battery array 10, BOOST1 boost circuit (including inductor L1', diode D1' and switch tube controlled by PWM1 signal), AC power supply, rectifier bridge 20, BOOST2 boost circuit (including inductance L2', diode D2' and switch tube controlled by PWM2 signal), capacitor C, inverter 30 and motor M, wherein the AC power supply AC is a single-phase alternating current (i.e. mains) with a rated voltage of 220VAC, The rectifier bridge 20 is a single-phase rectifier bridge stack. The power supply principle of the hybrid power supply system is as follows: [0003] The output of the solar cell array 10 is connecte...
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IPC IPC(8): H02J7/35
CPCH02J7/35H02S40/00Y02E10/50
Inventor 陈洪涛张凯强孙丰涛李辉陈兴
Owner GREE ELECTRIC APPLIANCES INC