Unveiling the Features and Advantages of the High-Speed AC Electric Dynamometer:
The AC electric dynamometer, a revolutionary power loading test device, integrates advanced four-quadrant AC asynchronous motor speed and torque control technology. This innovation enables complete localization of all components, positioning it as an advanced mode for power loading and driving tests.
Changniu Technology has meticulously developed and designed the AC power dynamometer to accommodate a power supply voltage range of 220V to 6000V, power capabilities from 3KW to 6000KW, a single machine torque of up to 50000Nm, and a speed range of 0.01r/min to 15000r/min, ensuring stable and precise performance.
Technical Highlights of the High-Speed AC Power Dynamometer:
Changniu Technology's ultra-high-speed, low-inertia, high-dynamic AC power dynamometer equipment boasts the following exemplary characteristics:
1. Versatile operation modes tailored to equipment needs, including continuous, interval, variable speed work, bidirectional rotation, fixed-point positioning, rapid braking, and soft start/stop.
2. Dual functionality as both loading equipment and prime mover, capable of bidirectional driving and power absorption. Installation is streamlined with options for flange connection and motor suspension.
3. Extensive torque range: 0-50000Nm; speed range: 0-15000 r/min; providing robust and versatile applications.
4. Wide power range from 3kW to 6000kW; power supply voltage spanning 220V to 6000V; rated frequencies of 16.7Hz, 25Hz, 33.3Hz, 50Hz, 66.7Hz, 75Hz, 100Hz, 125Hz, 133.3Hz, 150Hz, 175Hz, 200Hz, 250Hz, etc., ensuring adaptability and precision.
5. Exceptional measurement accuracy: speed ±1 r/min; torque ± 0.1% FS, ensuring precise and reliable readings.
6. Superior control accuracy: speed ±1 r/min; torque ± 0.2% FS, delivering unparalleled control and stability.
7. Remarkable loading stability: constant torque loading stability better than 0.2%, constant speed drive stability better than 0.1%, ensuring consistent and reliable performance.
8. Robust overload capacity: 150% over-torque for ≥10 minutes, 200% over-torque for ≥1 minute, ensuring durability and reliability under extreme conditions.
9. Wide torque range (0-50000N.m) in a single machine, capable of full-load at zero speed, reducing speed to zero without torque attenuation, and achieving double the full load for short durations.
10. Superior loading performance: maintains constant torque loading from zero to rated speed, and constant power loading above the rated speed, ensuring continuous optimal performance.
11. Low moment of inertia and high overload capacity, providing high dynamic response speed with a response time of less than 5ms.
12. Advanced frequency conversion control: DTC direct torque control for precise and efficient operation.
13. Minimal interference to the power grid: energy closed-loop control with harmonic voltage less than 2% and harmonic current less than 4.5%. Energy recovery grid meets European CE standards.
14. Low wear and maintenance: innovative dynamic and static hybrid bearings with lifelong lubrication, making the system virtually maintenance-free.
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Outstanding Performance of the Electric Dynamometer:
The electric dynamometer excels in constant speed mode with capabilities for forward and reverse driving.
In constant torque mode, the electric dynamometer provides precise and reliable dynamometer loading functionality.
In the dynamometer loading state, the energy emitted by the electric dynamometer can be ingeniously fed back to the grid directly or safely dissipated through the chopper brake resistor, ensuring efficient and reliable performance.
Electric dynamometers boast the remarkable advantage of not requiring a cumbersome cooling water system:
The motor under test ----------- torque transducer -------- electric dynamometer, forms a streamlined and precise testing configuration.
The engine -------------- torque sensor -------- electric dynamometer, creates a seamless and accurate testing process.
Drive motors----------- reducers--------- torque sensors---------- electric dynamometers, deliver an integrated and comprehensive testing solution.
Drive motor----------- reducer--------- accompany the test reducer---------- torque sensor---------- electric dynamometer, offers a cohesive and thorough testing setup.
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