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The electric dynamometer employs a high-performance servo inverter motor combined with a vector control system to collect real-time data on torque, speed, power, voltage, current, efficiency, temperature rise, and other parameters via high-precision torque and speed sensors; Compared to magnetic powder and eddy current dynamometers, electric dynamometers offer distinct advantages such as grid power feedback, energy savings, a wide speed range, fast dynamic response, reverse-drive capability, low noise, and no reliance on water cooling. They are the preferred testing equipment for high-end motor testing, new energy vehicle manufacturers, research institutes, and university laboratories.
Core Product Advantages:
Four-quadrant bidirectional operation. With comprehensive functionality including load braking and electric reverse drive, it supports full-range testing of motor characteristics such as no-load, loaded, stalled, overspeed, high/low-speed performance, and reverse operation, meeting the testing needs of both conventional motors and specialized new energy motors.
Energy Regeneration. The regenerative electricity generated during testing is directly fed back into the grid, eliminating the need for heat-dissipating resistors. This results in low energy consumption and minimal heat generation, significantly reducing electricity costs over the long term.
Wide Speed Range and High Torque. With a broad compatibility range and extensive speed coverage, the system delivers stable high torque at low speeds and smooth operation at high speeds. Power specifications are customizable, accommodating everything from low-power micro-motors to high-power industrial drive motors and automotive drive motors.
High Measurement Accuracy. Stable and reliable data, combined with high-precision torque and speed sensors and professional electrical parameter analyzers, ensures high measurement accuracy for torque, speed, power, and efficiency. Test data exhibits excellent repeatability and complies with national and international testing standards, making it suitable for type testing and certification inspections.
Fast dynamic response. Realistic closed-loop control simulation enables rapid switching between load and speed, accurately simulating complex real-world operating conditions. Ideal for motor R&D calibration, MAP efficiency mapping, and endurance/aging tests.
Quiet operation. Durable structure with minimal maintenance: no mechanical wear parts and no need for water-cooling systems for heat dissipation, resulting in low operating noise. The modular design ensures high rigidity and excellent vibration resistance, making it suitable for long-term continuous batch testing.
Intelligent control system. Simple and intuitive operation with dedicated testing software, supporting fully automated testing, manual single-point testing, and custom program testing; automatically generates characteristic curves, efficiency maps, and test reports, with support for Excel/PDF export, and can integrate with MES systems and laboratory data platforms.
Customization Support. Solutions can be tailored to customer requirements, including power ratings, mounting stations, protection ratings, high/low-temperature environment adaptation, explosion-proof configurations, and multi-station linked testing systems.
Main Test Items:
Motor no-load, load, temperature rise, and efficiency characteristic testing
Torque-speed characteristic curve and power curve plotting
Motor stall, overspeed, and endurance aging testing
Comprehensive performance testing of gearboxes, transmissions, and drivetrain assemblies
Four-quadrant operating condition simulation testing for new energy drive motors
Efficiency and load matching testing for fans, pumps, and industrial equipment
Applicable Scenarios:
New energy vehicle motor and electronic control manufacturers: R&D calibration + factory quality inspection
Motor manufacturers: Batch testing of various AC, DC, and permanent magnet motors
Universities, vocational colleges, and research institutes: Teaching experiments and research projects
Pump, fan, reducer, and transmission manufacturers: Complete unit performance testing
Third-party testing agencies: Type testing and certification testing
Hangzhou Changniu Technology provides complete sets of electric dynamometer equipment, test control systems, software customization, on-site installation and commissioning, and operator training. We offer comprehensive equipment warranties, lifetime technical support, software upgrades, and after-sales maintenance services. We can develop customized testing solutions tailored to each customer’s specific operating conditions.
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