Optimization design method of three-coil wireless power supply system
A technology of wireless power supply and optimized design, applied in current collectors, electric vehicles, electrical components, etc., can solve the problems of difficult implementation, high front-end drive power requirements, small mutual inductance, etc., to reduce wire diameter and weight, and improve efficiency. , the effect of current reduction
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[0043] In order to verify the validity of the scheme of the present invention, the resonant frequency f=200kHz is taken, and the input voltage U S =10V, the winding method is dense winding, the turn spacing d=2a, a is the radius of the wire, and the following simulation experiment is carried out.
[0044] First of all, the parameters of the transmitting coil and receiving coil must be determined, as shown in Table 1:
[0045] Table 1 Coil parameter list
[0046]
[0047] According to the parameters of the transmitting coil and the receiving coil and the relationship between the current of the transmitting coil, the relay coil and the receiving coil and the number of turns, inner diameter and turn spacing of the relay coil, it can be obtained that the current of the transmitting coil and the relay coil varies with the output power The correspondence diagram of the number of turns, inner diameter and turn spacing changes of the relay coil, such as Figure 5 shown. Accordin...
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