Wireless electric energy transmission device for improving system interoperability and control method
A technology of wireless power transmission and interoperability, applied in the direction of circuit devices, battery circuit devices, power management, etc., can solve problems such as circuit detuning, low transmission efficiency, and affecting transmission efficiency, so as to reduce installation space and avoid components Damage, effect of reducing system cost
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Embodiment 1
[0098] Embodiment one: device embodiment:
[0099] Figure 4 It is a schematic structural diagram of the power transmission device for improving the interoperability of the IPT system according to the present invention. like Figure 4 As shown, the power transmission device for improving the interoperability of the IPT system in the present invention includes a power factor correction circuit 101, an inverter circuit 102, a resonant unit 103, a rectifier circuit 104, a filter circuit 105, and a load 106 cascaded in sequence, and also includes a source side regulators, inverter mode controllers, and load-side regulators.
[0100] Wherein: the power factor correction circuit is a single-phase and three-phase compatible AC / DC circuit, which is used to receive the alternating current provided by the power grid 100, and convert it into direct current, and output it to the inverter circuit; the inverter circuit is composed of the first bridge arm and The second bridge arm is conn...
Embodiment 2
[0103] Embodiment 2: Power Factor Correction Circuit and Source-side Regulator
[0104] In the present invention, the power factor correction circuit 101 is a single-phase and three-phase compatible AC / DC circuit. Figure 5 A preferred single-phase three-phase compatible AC / DC circuit diagram is shown, including a switching module 101a, a compatible module 101b and a power module 101c cascaded in sequence.
[0105] like Figure 5 As shown, the switch module 101a includes three AC input ports, one ground input port, three switches K a * , K b * , K c *, and three AC output ports, wherein the heads of the three switches are respectively connected to the three AC input ports, the tail ends of the three switches are respectively connected to the three AC output ports, and the three switches are respectively connected to the three AC output ports. switch K a * , K b * , K c * Controlled by the source-side regulator, when the switching module 101a is connected to ...
Embodiment 3
[0109] Embodiment 3: inverter circuit and inverter mode controller
[0110] Figure 9 , Figure 10 The equivalent circuit diagrams of the inverter circuit in the double-bridge operating mode and the single-bridge operating mode are given respectively. The inverter circuit is controlled by the inverter mode controller. Since both the inverter mode controller and the source-side controller are located on the primary side of the non-contact transformer, the inverter mode controller and the source-side controller can share a digital control chip . The inverter mode controller provides power tubes in the inverter circuit S 1 , S 2 , S 3 , S 4 drive signal, where S 1 and S 2 Complementary conduction, S 3 and S 4 Complementary conduction. When the inverter circuit works in the double bridge arm mode, the output of the inverter circuit v 1 is high for V bus 、 Low level is - V bus The square wave signal of the square wave, based on Fourier decomposition, the o...
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