The Low-Speed High-Torque Electric Dynamometer represents cutting-edge dynamic simulation testing for power loading and reverse dragging. Leveraging the advanced speed and torque control technology of four-quadrant AC asynchronous motors, this equipment excels in both whole vehicle and component test benches. Boasting superior loading performance, it accommodates tests from low-speed, high-torque to high-speed, high-power scenarios, ensuring exhaustive performance and durability evaluations across speed and power spectrums.
Exceptional features of the Low-Speed High-Torque Electric Dynamometer:
This sophisticated electric dynamometer excels in driving and reversing within a constant speed mode, ensuring versatile and dynamic testing capabilities.
The dynamometer offers precise dynamometer loading under constant torque mode, guaranteeing accurate and reliable test results.
In loading mode, the electric dynamometer can either feed energy back to the grid or dissipate it through a chopper brake resistor, optimizing energy efficiency.
Our Low-Speed, High-Torque Electric Dynamometers eliminate the need for a cooling water system, enhancing operational simplicity and cost-efficiency.
Motor under test ----------- Torque Transducer -------- Electric Dynamometer
Engine -------------- Torque Sensor -------- Electric Dynamometer
Drive Motors----------- Reducers--------- Torque Sensors---------- Electric Dynamometers
Drive Motor----------- Reducer--------- Accompany the Test Reducer---------- Torque Sensor---------- Low-Speed High-Torque Electric Dynamometer
Advanced technical characteristics of the Low-Speed High-Torque Electric Dynamometer:
1. Four-quadrant operation: delivers both driving and resistance torque for comprehensive testing. With excellent loading performance, it maintains constant torque from zero to rated speed, and constant power above rated speed.
2. Versatile system loading/driving modes: includes constant torque, constant speed, zero speed, and fixed parameter modes. Computer-controlled dynamic testing allows for customizable load spectra, simulating various real-world conditions such as uphill/downhill, start/brake, and acceleration/deceleration.
3. Bidirectional frequency conversion speed regulation with dynamic response time <8ms, adapting swiftly to the inertia of the test piece itself.
4. Advanced torque control: torque vector frequency conversion with a dynamic response time <5ms, ensuring precision in torque management.
5. Flexible system operation: offers manual and automatic program control with seamless switching between various control modes.
6. Digital test bench operation modes:
a. Automatic speed control ensures consistent and reliable testing.
b. Automatic torque control provides precise load handling.
c. Program-controlled road resistance simulation, including speed, slope, and torque control modes.
d. Smooth switching between speed and torque control modes during dynamic operation, with a switching time of under 1 second.
7. Robust overload capacity: sustains 150% over-torque for ≥10min, 200% for ≥1 min. At zero speed, torque can reach 200% of the rated value without attenuation.
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