REGENERATING BRAKING SYSTEM INCLUDING SYNCHRONOUS MOTOR WITH FIELD EXCITATION AND CONTROL METHOD THEREOF
First Claim
1. A regenerating braking system comprising:
- a synchronous motor with field coil excitation comprisinga cylindrical stator coil,an inverter electrically connected to the stator coil,a battery electrically connected to the inverter,a rotor coil provided in an internal space of the stator coil,a two-way switch electrically connected to the rotor coil, anda capacitor electrically connected to the two-way switch; and
a controller electrically connected to the inverter, the two-way switch, and the capacitor,wherein when the first differential calculus of acceleration of a load on the synchronous motor becomes negative, the controller stores regenerative power regenerated in the rotor coil from the stator coil, in the capacitor through the two-way switch, andwherein the controller supplies the regenerative power stored in the capacitor to the rotor coil through the two-way switch.
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Accused Products
Abstract
A regenerating braking system is provided, which includes: a synchronous motor with field coil excitation including a cylindrical stator coil, an inverter electrically connected to the stator coil, a battery electrically connected to the inverter, a rotor coil provided in an internal space of the stator coil, a two-way switch electrically connected to the rotor coil, and a capacitor electrically connected to the two-way switch; and a controller, wherein when the first differential calculus of acceleration of a load on the synchronous motor becomes negative, the controller stores regenerative power regenerated in the rotor coil from the stator coil, in the capacitor through the two-way switch, and wherein the controller supplies the regenerative power stored in the capacitor to the rotor coil through the two-way switch.
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Citations
8 Claims
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1. A regenerating braking system comprising:
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a synchronous motor with field coil excitation comprising a cylindrical stator coil, an inverter electrically connected to the stator coil, a battery electrically connected to the inverter, a rotor coil provided in an internal space of the stator coil, a two-way switch electrically connected to the rotor coil, and a capacitor electrically connected to the two-way switch; and a controller electrically connected to the inverter, the two-way switch, and the capacitor, wherein when the first differential calculus of acceleration of a load on the synchronous motor becomes negative, the controller stores regenerative power regenerated in the rotor coil from the stator coil, in the capacitor through the two-way switch, and wherein the controller supplies the regenerative power stored in the capacitor to the rotor coil through the two-way switch. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A control method of a regenerating braking system, the regenerating braking system comprising:
- the synchronous motor with field coil excitation comprising a cylindrical stator coil, an inverter electrically connected to the stator coil, a battery electrically connected to the inverter, a rotor coil provided in an internal space of the stator coil, a two-way switch electrically connected to the rotor coil, and a capacitor electrically connected to the two-way switch, and a controller electrically connected to the capacitor, the control method comprising;
when a first differential calculus of acceleration of a load on the synchronous motor becomes negative, storing regenerative power regenerated in the rotor coil from the stator coil, in the capacitor through the two-way switch, by the controller, and supplying the regenerative power stored in the capacitor to the rotor coil through the two-way switch, by the controller.
- the synchronous motor with field coil excitation comprising a cylindrical stator coil, an inverter electrically connected to the stator coil, a battery electrically connected to the inverter, a rotor coil provided in an internal space of the stator coil, a two-way switch electrically connected to the rotor coil, and a capacitor electrically connected to the two-way switch, and a controller electrically connected to the capacitor, the control method comprising;
Specification