Energy feedback control method and energy feedback system
A technology of energy feedback and control method, applied in electric braking system, electric vehicle, parallel feeding arrangement of single grid, etc., can solve the problem of unstable voltage on the grid side of locomotives
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[0056] Example one
[0057] See figure 1 , Which shows a schematic structural diagram of an energy feedback system provided by the present invention. Among them, the energy feedback system includes a braking resistor, which is connected in series with the energy feedback system through a switch tube. Preferably, the switch tube in the present invention may be an IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor).
[0058] Also, see figure 2 , Which shows a flow chart of an energy feedback control method provided by the present invention, including:
[0059] Step 101: Detect the current voltage on the power grid side of the locomotive, and obtain the current voltage value on the power grid side of the locomotive.
[0060] Step 102: Determine whether the current voltage value on the power grid side of the locomotive is less than a first threshold; if it is less than, go to step 103, if not, go to step 104.
[0061] In the present invention, the first threshold...
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[0092] Example two
[0093] Based on the energy feedback control method provided by the foregoing invention, the present invention also provides an energy feedback system, such as Figure 5 As shown, it shows a schematic structural diagram of an energy feedback system provided by the present invention, including: a detection module 100, a first judgment module 200, a second judgment module 300, and a control module 400. among them,
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