Zhuzhou Times New Material Technology Co., Ltd.

Zhuzhou Crrc Times Electric Co., Ltd

Hao Li

Fengchen Tu

Caichun He

Guanghui Xiao

Jing Shang

Kean Liu

Wei Guo

Shaolong Xu

Liangjie Liu

Gengliang He

Chao Du

Qiao He

Bingzhang Li

Leilei Ding

Lifen Yang

Jinwei Mo

Xuebiao Peng

Chaoyong Lin

Fang Yuan

Weiwei Gan

Qingliang Zhao

Minggao Zeng

A coupling for axle-suspended installation of a direct drive motor, comprises a wheel axle side adapting flange coaxially fixed with a wheel axle and a motor side adapting flange coaxially fixed with the rotor shaft of a motor, an elastic support rotating assembly, wherein the elastic support rotating assembly is radially connected between the wheel axle side adapting flange and the motor side adapting flange so that the wheel axle side adapting flange and the motor side adapting flange can be coaxially and rotatably connected and bear the weight of the motor along the radial direction through the elastic support rotating assembly, and the wheel axle side adapting flange and the motor side adapting flange are circumferentially elastically connected. It also provides stiffness design method of coupling for axle-suspended installation of direct drive motor.

Coupling for axle-suspended installation of direct drive motor and stiffness design method therefor

A magnetic coupling, includes a driving rotor sleeved on the driving shaft, a driven rotor sleeved on the driven shaft, external magnets mounted on the driving rotor and internal magnets mounted on the driven rotor and located on the inner sides of the external magnets; a plurality of internal magnets are arranged and uniformly distributed along the circumferential direction of the driven rotor; the external magnets and the internal magnets are aligned one by one along a radial direction; the internal magnets and the external magnets are magnetized along the radial direction; adjacent internal magnets have opposite magnetizing directions, and adjacent external magnets have opposite magnetizing directions; magnetic poles of the internal magnets are opposite to magnetic poles of the corresponding external magnets, and the driving rotor and the driven rotor form a working magnetic circuit through a magnetic field generated by the external magnets and a magnetic field generated by the internal magnets, wherein at least the external magnets are magnet exciting coils that generate a working magnetic field through power supply.

Magnetic coupling and use and adjustment method thereof

Provided are a method and system for controlling a voltage. The method includes: acquiring a current output voltage of an inverter; calculating a current voltage error of the current output voltage relative to a given output voltage; inputting the current voltage error into a fuzzy controller to determine a target output voltage of the inverter; determining an amplitude adjustment command based on a difference between an amplitude of the target output voltage and an amplitude of the current output voltage; determining a phase adjustment command based on a difference between a phase of the target output voltage and a phase of the current output voltage; and adjusting an amplitude and a phase of an output voltage of the inverter according to the amplitude adjustment command and the phase adjustment command respectively, to maintain the output voltage of the inverter within a preset range.

Voltage control method and system

Growing community of inventors

Hunan, China

Hao Li