Basic Info.
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Product Description
Electric drive EMC dynamometer systemElectric drive EMC dynamometer system- Dynamometer Selection
1.1 Single axle EMC dynamometer
Type | nmax(rpm) | Trated(N.m) | Prated(kW)n | nrtated(rpm) | n2(rpm) | Pmax(kW)@ nmax | Cooling |
EMD-A250-16 | 15000 | 500 | 250 | 4773 | 14870 | 230 | Air |
EMD-B300-15 | 15000 | 570 | 300 | 5026 | 12000 | 275 | Air |
EMD-B300-12 | 12000 | 1000 | 300 | 2865 | 12000 | 300 | Air |
EMD -C300-10 | 10000 | 1300 | 300 | 2387 | 10000 | 300 | Air |
EMD-D300-10 | 1000 | 2000 | 300 | 1433 | 7500 | 220 | Air |
EMD-E450-06 | 6000 | 4000 | 370 | 883 | 3330 | 230 | Air |
EMD-F500-06 | 6000 | 4500 | 500 | 1060 | 5000 | 400 | Air |
1.2 Double axis EMC dynamometer
Type | nmax(rpm) | Trated(N.m) | Prated(kW) | nrtated(rpm) | n2(rpm) | Pmax(kW)@ nmax | Cooling |
EMD-B300-12-2 | 12000 | 1000 | 300 | 2865 | 12000 | 300 | Air |
EMD-B300-10-2 | 10000 | 2000 | 300 | 1433 | 7500 | 220 | Air |
EMD-E370-05-2 | 5000 | 3500 | 370 | 716 | 3000 | 230 | Air |
EMD-E350-03-2 | 3000 | 5000 | 350 | 670 | 3000 | 350 | Air |
2. System Framework
The EMC dynamometer system is mainly composed of dynamometer driver, battery simulator, dynamometer, measuring sensor, cooling system of tested motor, control system, etc. The system architecture is shown in the figure below.
3.Mechanical structure
3.1 Main structure
The mechanical structure of the motor test system includes: dynamometer mounting base, anechoic chamber external shaft supporting mounting base, anechoic chamber long shaft supporting mounting base, through wall long shaft, test piece installation steel frame and tooling, locked rotor mechanism, elastic coupling, protective device, test piece installation platform, test table, etc. Removable ferrite plates are designed on both sides of the test bench base and L-shaped tooling in anechoic chamber to absorb electromagnetic waves. After installation, it can meet the requirements of CISPR 25:2016 Class5 bottom noise and CISPR 25:2016 long line method test.
3.2 Shield shaft
The long shaft through the wall adopts a double-layer structure, the inner part is the power transmission shaft, and the outer part is the shaft sleeve, which plays the role of shielding and supporting at the same time. The transmission shaft system between the dynamometer and the measured motor is designed and manufactured in an integrated way, which is convenient for installation and alignment.3.3 Test piece installation
The installation platform of the test piece also adopts the upper and lower two layers structure, which is convenient for the design of the insulation damping structure and alignment, and the structure is higher than the top and the lower base of the dynamometer, and the insulation and shock absorption design is as follows.4. DC Bidirectional Power
The DC bidirectional power supply is an independent unit, which is installed outside the anechoic chamber. It passes through the filter installed on the anechoic chamber and supplies power to the EUT to be tested. When testing the motor and controller, the DC bidirectional power supply is used as the energy unit to simulate the on-board battery, which can not only supply power to the motor and controller, but also absorb the energy generated by the motor and feed back to the power grid.Model | Rated power [kW] | Rated Current [A] | Rated Voltage [V] | Max Power (60s)[kW] | Max Current (60s)[A] | Range of Voltage [V] |
EVD-80-1000 | 80 | 300 | 266 | 120 | 450 | 24-1000 |
EVD-100-1000 | 100 | 350 | 285 | 150 | 525 | 24-1000 |
EVD-150-1000 | 150 | 500 | 300 | 200 | 666 | 24-1000 |
EVD-200-1000 | 200 | 600 | 333 | 250 | 750 | 24-1000 |
EVD-250-1000 | 250 | 600 | 416 | 350 | 840 | 24-1000 |
EVD-300-1000 | 300 | 750 | 400 | 400 | 1000 | 24-1000 |
EVD-400-1000 | 400 | 1000 | 400 | 500 | 1250 | 24-1000 |
EVD-500-1000 | 500 | 1200 | 416 | 600 | 1440 | 24-1000 |
EVD-80-1200 | 80 | 300 | 266 | 120 | 450 | 24-1200 |
EVD-100-1200 | 100 | 350 | 285 | 150 | 525 | 24-1200 |
EVD-150-1200 | 150 | 500 | 300 | 200 | 666 | 24-1200 |
EVD-200-1200 | 200 | 600 | 333 | 250 | 750 | 24-1200 |
EVD-250-1200 | 250 | 600 | 416 | 350 | 840 | 24-1200 |
EVD-300-1200 | 300 | 750 | 400 | 400 | 1000 | 24-1200 |
EVD-400-1200 | 400 | 1000 | 400 | 500 | 1250 | 24-1200 |
EVD-500-1200 | 500 | 1200 | 416 | 600 | 1440 | 24-1200 |
Input Characteristics |
Phase | 3φ3W+PE |
Voltage | 380V±15% |
Frequency | 50Hz±5Hz |
Output Characteristics |
Voltage precision | ±(0.1%·FS+5dgt) |
Current precision | ±(0.1%·FS+5dgt) |
Response time | ≤3ms(10%-90% Sudden loading) |
Switch time | ≤6ms(+90%--90% switch) |
Voltage ripple (rms) | ≤0.2%·FS |
Load regulation | 0.1%·FS |
Protection | Over Voltage, Over Temperature, Over Current, Over Capacity, Emergency Stop |
Environment Condition and Safety |
Insulation Resistance | ≥20MΩ(500Vdc) |
Withstand Voltage | 3000Vdc(60s,No Flashover, No Breakdown Phenomenon) |
Ground Resistance | ≤0.1Ω |
Protection Level* | IP21(Indoor) |
Cooling | Fan cooling |
Environment Temperature* | -10~40ºC |
Humidity | 0-90%RH (25ºCNon-condensing) |
Altitude | ≤2000m |
5. Cooling system of tested motor
Free-Edyno system is equipped with an independent cooling circulation system, which is used for the cooling of the tested sample. The cooling water adopts external circulation. The parameters are as follows:- Temperature regulation range: 20ºC~80ºC.
- Temperature control accuracy:≤± 2ºC.
- Flow regulation range: 5 ~ 40L / min (can be adjusted manually).
- Pressure range: 250kPa.
- RS485 supports local + remote control mode.
- Complete machine structure: water-cooled integrated structure design, equipped with casters, easy to move.
- Compressor brand: France Taikang, Germany bizel or Germany blog.
- Material of refrigeration box: sus#304.
- Temperature and pressure detection position: liquid inlet / outlet;
- Flow monitoring position: liquid outlet.
- Target temperature acquisition: liquid outlet temperature.
- Safety protection: high and low temperature alarm; Alarm for insufficient liquid level of refrigeration tank; Alarm for too high and too low outlet flow;
- Alarm for too high and too low outlet pressure; High and low pressure monitoring and alarm of refrigeration system.
6.software system
The software adopts modular design architecture. Users can customize the testing process and working parameters to get the speed and torque control of the motor. The system classifies users and opens different functional modules. The system has the function of automatic zero calibration when it opens. The software has a special sensor calibration module, so the users can calibrate the sensor regularly. Reserving of the communication interface with EUT can get the control of EUT. Following functions are included:- Speed control
- Torque Control
- Temperature monitoring
- Speed monitoring
- Safety function
- dynamometers
- Suitable for vehicle test bench
- Suitable for passenger car and truck test bench
- Standard interface for communication with software on the host computer
- Limit monitoring from the tested samples to the test bench, ensure that when the speed
- abnormality occurs ,the tested samples can switch to the safe state in a very short time.
- Restore to safe condition.
- System Interface:
- Communication interface with the environment chamber;
- Communication interface with the cooling system;
- Communication interface with the battery simulator;
- Communication interface with the inverter;
- Four-way CAN bus which can communicate with the test piece.
- One-way Ethernet communication interface;
- Provide appropriate cables.
Sensor calibration is used to recalibrate the sensor. The user can automatically fit the standard curve according to the sensor sensitivity and offset given by the measurement department, or according to the actual values of several measurement points given by the measurement department.The control interface of the test-bed is mainly used to control the actuator of the test-bed, including dynamometer, battery simulator, cooling system, etc. The dynamometer can adopt torque and speed control mode. The control interface of the test-bed displays the driving torque, loading torque, driving speed and loading speed in real time. Through the control interface, the emergency braking of motor and the control of test time can also be realized. The test control interface does not display other monitoring data. Most of the monitoring data are displayed in the display interface of the data monitoring computer.
Address:
Anhui Province, Hefei City, High-Tech Zone, 15 Tianhuroad, Hefei, Anhui, China
Business Type:
Manufacturer/Factory
Business Range:
Electrical & Electronics, Industrial Equipment & Components
Company Introduction:
Anhui Jingke Testing Technology Co., Ltd. is located in the science and Technology Park of Anhui National University. The company has established a long-term cooperative partnership with famous universities such as Zhejiang University and Hefei University of technology and well-known research institutes in the field of aerospace. It is engaged in the development and production of high-tech products in the fields of electromechanical integration, testing and control technology, digital simulation analysis and structural optimization.
The staff of Anhui Jingke Testing Technology Co., Ltd. is composed of three parts: The first part is a scientific research team composed of senior engineers, mainly responsible for the research of theory and methods, the formulation and review of plans; The second part is the engineering and technical personnel team composed of professional mechanical design engineers, mechanical process engineers, electrical engineers, CAE analysis engineers, software engineers, sales engineers and after-sales service engineers; The third part is composed of the production personnel of the processing base. Anhui Jingke Testing Technology Co., Ltd. is a truly integrated unit of production, learning and research, with strong innovation, development, production and after-sales service capabilities. The company has a special manufacturing and processing base and after-sales service team, which can provide a strong guarantee for the timely and high-quality completion of the contract project and the subsequent timely and excellent after-sales service.
Our goal is to continuously innovate and create the best social, economic and environmental benefits through leading technology solutions. We will adhere to the work philosophy of hard work, adhere to the customer-oriented, and continue to create the maximum value for customers.
Our core technologies include: High-speed and high dynamic transmission system design technology, actual working condition dynamic simulation technology, high dynamic motor closed-loop control technology, vibration and noise simulation analysis technology, digital simulation analysis technology, customized test system solution, high-pressure and large flow hydraulic system design technology, EMC / EMI shielding technology.
Our company is mainly engaged in non-standard testing and testing bench for power system, hydraulic system, transmission system and other testing systems. The main users are various automobile main engine plants and main supporting plants, military enterprises, aerospace enterprises, scientific research institutes and universities.