Fractional-turn switching substation device with constant magnetic field
A constant magnetic field and power transformation device technology, applied in the field of power transformation, can solve the problems of no current generation and electromotive force generation, and achieve the effect of improving inverter frequency modulation efficiency and avoiding eddy current loss and hysteresis loss
Active Publication Date: 2016-11-02
STATE GRID CORP OF CHINA +2
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Problems solved by technology
However, a constant magnetic field cannot generate electromotive force in a traditional integer-turn coil, nor does it generate current in a closed circuit
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[0015] Such as figure 1 with figure 2 As shown, the constant magnetic field fractional-turn switch substation includes a multi-strand magnetic wire 6, a multi-strand wire 4, and a switch 2. The multi-strand magnetic wire 6 is composed of a plurality of single-strand magnetic wires 1; The stranded wire 4 is composed of a number of single stranded wires 5; the multiple strands of wires are insulated from each other, and the multiple strands of wires 4 are connected in parallel to the output terminal 7; the switch 2 is connected in series in the single stranded wire 5; the single stranded wire 5 Passing through the gap of the multi-strand magnetic wire 6, the switch 2 sequentially disconnects the single-strand wire 5 from the inside to the outside in the closed loop composed of the multi-strand wire 4 and the electrical device, or sequentially from the multi-strand wire 4 In the closed circuit formed by the electric device, the single-stranded wire 5 is closed from the outside to...
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The invention provides a constant magnetic field fractional-turn switch power transformation device, and belongs to the technical field of power transformation. The problems that in the prior art, a constant magnetic field cannot generate electromotive force in a traditional coil and cannot generate currents in a closed circuit are mainly solved. The constant magnetic field fractional-turn switch power transformation device is characterized in that a plurality of strands of magnetic conduction wires, a plurality of strands of wires and switches are included, and the magnetic conduction wires are composed of a plurality of single-stranded magnetic conduction wires; the wires are composed of a plurality of single-stranded wires; the switches are connected in the single-stranded wires in series; the single-stranded wires penetrate through clearances of the magnetic conduction wires. According to the device, the aim of generating alternating currents through the constant magnetic field is achieved by turning on and off the switches, eddy-current losses and magnetic hysteresis losses in an alternating magnetic field are avoided, the fact that the long-distance magnetic circuit constant magnetic field can transmit electric energy is possible, and the device enables inversion frequency modulation efficiency to be improved.
Description
Technical field [0001] The invention belongs to the field of power transformation technology, and specifically relates to a constant magnetic field fractional turn switch transformer device. Background technique [0002] In the long-distance magnetic circuit transmission electric energy system, the alternating magnetic field in the magnetic circuit, the eddy current loss and hysteresis loss generated in the magnetic material are relatively large, and the constant magnetic field has no eddy current loss and hysteresis loss. However, the constant magnetic field cannot generate electromotive force in the traditional integer-turn coil, nor does it generate current in the closed circuit. Summary of the invention [0003] The purpose of the present invention is to solve the problems existing in the prior art and provide a constant magnetic field fractional turn switch substation. [0004] The technical solutions adopted by the present invention to solve the above technical problems are: ...
Claims
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IPC IPC(8): H02J50/10
Inventor 王鹏源冯建友李豫茹世祥霍广宣薛宏杰
Owner STATE GRID CORP OF CHINA