Unveil the remarkable features and unparalleled advantages of our high-speed AC electric dynamometer:
Our AC electric dynamometer stands at the forefront of power loading test equipment innovation. Utilizing advanced four-quadrant AC asynchronous motor speed and torque control technology, it ensures complete localization of all components. This state-of-the-art system offers an unrivaled power loading and driving experience.
Engineered with excellence by Changniu Technology, our AC power dynamometer boasts a versatile power supply voltage range from 220V to 6000V and power capacities from 3KW to 6000KW. Its robust design features include a single machine torque of 50000Nm and a speed capacity up to 15000 r/min, with unmatched speed stability at 0.01 r/min.
Discover the groundbreaking technical characteristics of our high-speed AC power dynamometer:
Changniu Technology's ultra-high-speed, low-inertia, high-dynamic AC power dynamometer offers these extraordinary features:
1. Versatile operation modes catering to diverse needs: continuous work, interval work, variable speed work, forward and reverse operation, fixed-point positioning, rapid braking, soft start, and soft stop.
2. Dual functionality: It serves as both loading equipment and prime mover, supporting driven and suction power in both rotation directions. Installation is simplified with options for flange connection and motor suspension.
3. Comprehensive torque and speed range: Stand-alone torque from 0-50000Nm and speed from 0-15000 r/min.
4. Wide power range from 3kW to 6000kW and power supply voltage from 220V to 6000V. With rated frequencies of 16.7Hz, 25Hz, 33.3Hz, 50Hz, 66.7Hz, 75Hz, 100Hz, 125Hz, 133.3Hz, 150Hz, 175Hz, 200Hz, 250Hz, and more.
5. Exceptional measurement accuracy: Speed precision of ±1 r/min and torque precision of ±0.1% FS.
6. Superior control accuracy: Speed precision of ±1 r/min and torque precision of ±0.2% FS.
7. Unmatched loading stability: Constant torque loading stability exceeds 0.2%, and constant speed drive stability exceeds 0.1%.
8. Impressive overload capacity: 150% over-torque for ≥10 minutes and 200% over-torque for ≥1 minute.
9. Extensive torque range (0-50000Nm) with full load capability at zero speed. The system can reduce speed to zero without any torque attenuation and can achieve 2 times the full load briefly.
10. Exceptional loading performance: Maintains constant torque loading from zero to rated speed and constant power loading above the rated speed.
11. Low inertia and high overload capacity ensure high dynamic response speed, with response times under 5ms.
12. Advanced frequency conversion control with DTC direct torque control.
13. Minimal grid interference: Energy closed-loop control with harmonic voltage under 2% and harmonic current under 4.5%. Energy recovery grid complies with European CE standards.
14. Durable performance with minimal maintenance: Self-sufficient dynamic and static hybrid bearings offer lifelong lubrication, making the system practically maintenance-free.
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Remarkable performance attributes of the electric dynamometer:
In constant speed mode, the electric dynamometer supports driving and reversing functions, providing flexibility and reliability.
In constant torque mode, the electric dynamometer excels in dynamometer loading, ensuring consistent and precise performance.
In the dynamometer's loading state, the energy generated by the electric dynamometer can either be seamlessly fed back into the grid or effectively dissipated through the chopper brake resistor.
Electric dynamometers are designed to operate without the necessity of a cooling water system, ensuring simplicity and reducing maintenance requirements.
The motor under test ----------- torque transducer -------- electric dynamometer, enabling precise performance and efficiency analysis.
The engine -------------- torque sensor -------- electric dynamometer, providing accurate and reliable data for comprehensive engine diagnostics.
Drive motors ----------- reducers --------- torque sensors ---------- electric dynamometers, forming a robust configuration for meticulous motor performance testing.
Drive motor ----------- reducer -------- accompany the test reducer ---------- torque sensor ---------- electric dynamometer, delivering a highly efficient setup for detailed and accurate test processes.
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