We provide several type of dynamometer such as:
GZC series Hysteresis dynamometer,
GZF series Magnetic powder dynamometer,
GZW series Eddy current dynamometer,
GZDL series Electric dynamometer.
Measurable Parameters:
DC (or Single-phase AC) Motor:
Input power P1, voltage U, current I (功率因数, 频率) Output power P2, torque T, speed n efficiency.
Three-phase AC Motor:
Input power P1, voltage U, current I (功率因数, 频率) Output power P2, torque T, speed n efficiency.
Motor And Driver:
Driver input power P1, voltage U, current I (功率因数, 频率) Drive-motor power P2, voltage U1-U2-U3, current I1-I2-I3, 功率因数, Frequency motor output power P3, torque T, speed n drive efficiency, motor efficiency, overall machine efficiency.
With manual, fixed-point, and automatic test methods, the load can be automatically loaded according to the setting, and the characteristic curve of the motor from no load to blocked (or set value) can be scanned;Test result: The motor test data is displayed or printed in the form of report or curve, and can be saved and viewed; when the curve is displayed, the curve coordinate parameters and the selection of abscissa and ordinate can be modified;
Measurable 参数； Driver input voltage, 当前的, power Driver output voltage, 当前的, power, 功率因数, frequency Motor output torque, 速度, power Drive efficiency, motor efficiency, total motor efficiency.
随着电驱动系统的快速发展, 尤其是新能源汽车, 电磁兼容问题越来越受到关注. 新能源汽车电驱动系统具有高电压的特点, 高电流, 结构复杂, 以及多样化的耦合路径, and is the main source of interference.The electric drive EMC/EMI test system under simulated actual load conditions is composed of an anechoic chamber, 测功机系统, 电池模拟器, 功率放大器及其屏蔽室, 控制室及其屏蔽室, 冷却系统, 和屏蔽轴系统. 根据CISPR25的要求, GB/T18655, GB/T36282, GB/T18387等标准, 可以满足传导发射, 辐射发射和辐射抗扰度, 电池组的大电流注入等测试, 电机, 控制器, 动力总成, ETC. .
The vehicle axle coupling dynamometer test system consists of a mobile low-inertia electric dynamometer, dynamometer driver, battery simulator, electrical control cabinet, measurement sensors, vehicle windward cooling system, traffic real-life simulation system, main control computer, electrical Control cabinet and other components.The dynamometer can perform speed and torque control to simulate road load. Load simulation methods include: constant torque control, calculated road spectrum simulation, actual road spectrum import, and user-defined load spectrum. The power analyzer measures the current, voltage and power of each energy consumption unit of the tested vehicle, analyzes the energy flow of the vehicle under different operating conditions, and draws the energy spectrum of the entire vehicle. The dynamometer adopts a low-inertia dynamometer, which has extremely high dynamic characteristics and can simulate rapidly changing working conditions and simulate different road models. By integrating into the traffic scene simulation system, real vehicle actions under different road conditions can be truly reproduced, including the driver's operating comfort. The system can also be transformed into a powertrain test system, and the battery simulator can be connected to the powertrain drive to test the powertrain.
The vehicle EMC/EMI test system generally consists of an anechoic chamber or reverberation chamber, measuring
instruments, and a hub dynamometer system that simulates the road load of the vehicle. The rotating hub dynamometer
system that simulates vehicle load can be designed as a two-wheel drive, four-wheel drive or more shaft drive
dynamometer according to the number of drive shafts of the vehicle. The dynamometer system can also adopt a
structural type embedded in the turntable, or a mobile type.
The high-speed reducer test bench consists of a low-inertia load analog dynamometer, a high-speed compact drive motor, 变频器, an environmental chamber, 冷却系统, a high-precision sensor, a vibration monitoring and early warning system, a mechanical system, a real-time control system of the dynamometer, and a main control System and other parts. For the electric drive powertrain test bench, there is no need for high-speed drive motors, only low-inertia load simulation motors. The real-time dynamic control system can realize the speed and torque control through the real-time controller and simulate the actual load. The main control system can communicate with the environmental chamber, power analyzer, 冷却系统, EUT, etc., and realize control. The data acquisition system collects signals from torque sensors, vibration sensors, temperature sensors, pressure sensors, and other sensors, and transmits them to the main control system at a high speed. The sensor data can be displayed, saved and processed in the software interface.
We provide customized test test systems for aviation high-speed transmission systems, such as high-speed generators, high-speed transmission boxes, ETC. Various types of shafting, dynamometer systems and electrical loads can be designed according to actual needs.
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