HTS Inverter
A high-temperature superconducting and inverter technology, which is applied in the direction of converting irreversible DC power input into AC power output, can solve the problems of large loss and weak current carrying capacity of the inverter, reduce the volume and increase the load. Electric current, the effect of reducing the generation of Joule heating
Active Publication Date: 2016-03-02
中科光铭(北京)科技有限公司
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[0009] The purpose of the present invention is to overcome the shortcomings of conventional inverters such as large loss and weak current carrying capacity, and propose a high temperature superconducting inverter
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0019] The invention includes an input part and an inverter part, wherein the input part includes a DC power supply, an inductance and a resistor, and the resistor is connected in series between the DC power supply and the inductance. The inverter part uses a three-phase bridge inverter circuit, and uses six superconducting modules to replace the power electronic components in the conventional inverter circuit. The output terminals of the inverter part are A0, B0, C0 three-phase alternating current.
[0020] figure 1 It is a structural schematic diagram of the three-phase bridge superconducting inverter circuit of the high temperature superconducting inverter of the present invention. Such as figure 1 As shown, the six superconducting modules 1, 2, 3, 4, 5, and 6 work in a low-temperature environment refrigerated by liquid nitrogen or a refri...
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A high temperature superconductor inverter comprises an input portion and an inversion portion. The input portion comprises a direct current power supply (9), an inductor (7) and a resistor (8). One end of the resistor (8) is connected with one end of the direct current power supply (9), and the other end of the resistor (8) is connected with one end of the inductor (7). The inversion portion is a three-phase bridge type superconductor inversion circuit, and six superconductor modules replace power electronic elements in the three-phase bridge type superconductor inversion circuit. A first superconductor module (1) is connected with a fourth superconductor module (4) in series, a third superconductor module (3) is connected with a sixth superconductor module (6) in series, a fifth superconductor module (5) is connected with a second superconductor module (2) in series, and the three groups of superconductor modules are connected in parallel. The other end of the inductor (7) is connected with one end of the superconductor modules connected in parallel, and the other end of the direct current power supply (9) is connected with the other end of the superconductor modules which are connected in parallel. The six superconductor modules work under low temperature environment cooled through liquid nitrogen or a refrigerator.
Description
technical field [0001] The invention relates to a high-temperature superconducting inverter, in particular to a superconducting inverter realized by using high-temperature superconducting materials. Background technique [0002] Power electronic devices have been widely used in many aspects such as AC frequency conversion speed regulation, power supply, power system transmission and distribution, lighting, etc. High power, high frequency, high integration and low power consumption are important development trends of power electronic devices. [0003] Power electronic switching devices such as thyristors (BJT), MOSFETs, and insulated gate bipolar transistors (IGBTs) are important components of power electronic devices. The performance of switching devices is directly related to the actual performance and working efficiency of power electronic devices. In recent years, with the continuous improvement of the capacity of high-power power electronic devices, some defects of power...
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IPC IPC(8): H02M7/48
Inventor 张国民严金俊肖立业余卉林良真
Owner 中科光铭(北京)科技有限公司