SSCD350-1250/4500 350kW Motor Performance Electric Dynamometer Bench System

1. SSCD350-1250/4500 350kW New Energy Motor Electric Dynamometer Bench System Component Description

The SSCD350-1250/4500 350kW Motor Performance Dynamometer Bench System is a high-performance comprehensive testing platform specifically designed for testing medium and large power motors. This system integrates core modules such as a dynamometer, a high-precision torque sensor, an intelligent measurement and control system, and a wide-range battery simulator, comprehensively covering the performance verification needs of commercial vehicle drive motors, industrial medium and large motors, and special motors.

Component Name	Core Specifications	Brand
SSCD350-1250/4500 electric dynamometer	Power: 350kW; Rated speed: 1250rpm, Rated torque: 2674Nm, Maximum speed: 4500rpm, Constant power speed: 1250-3750rpm, Water-cooled;	Seelong
Torque flange	Torque flange: 0-3000Nm (Accuracy: 0.2%FS)	HBM
Variable frequency inverter system	Input voltage: three-phase AC 380V±10%; Frequency: 50-60Hz ; Overcurrent protection value : 1.5 times rated current ; Multiple protections against overload, overvoltage, and overheating.	ABB
XLP-1000 measurement and control system	Industrial PC: IPC710, CPU: i7, Memory: 32GB, Hard Disk: 1TB , XLP-1000 Measurement and Control System Software	Seelong
Data acquisition system	It includes a vibration acquisition unit, a temperature acquisition unit, an analog input acquisition unit, and a digital input acquisition unit.	Advantech ADAM-4017+
Power analyzer	Model: WT5006; Basic accuracy: 0.03% (0.01% of the reading + 0.02% of the range) Bandwidth: DC, 0.1Hz - 1MHz LCD touchscreen 6-channel + MTR	Seelong
Current transformer	1000A, 0.05%FS
Battery Simulator	Output voltage: 24-1200V Rated power: 300kW Peak power: 375kW Rated current: 800A Peak current: 1000A Feedback voltage: 323-427V Battery simulation: It can simulate seven types of batteries: ternary lithium batteries, lithium manganese oxide batteries, lithium titanate batteries, lithium cobalt oxide batteries, lithium iron phosphate batteries, lead-acid batteries, and nickel-metal hydride batteries.	Seelong
Optional
Coupling	Permissible speed: 5000 rpm, permissible torque: 3000Nm	Seelong
Motor bracket	Bracket adjustment range (motor center height): 200mm-500mm	Seelong
Cast iron plate	Material: HT300 (tensile strength ≥300MPa) ; shock absorbers and cast iron plates ensure stability during high-speed testing.	Seelong
Shock absorbers	Spring shock absorbers ; shock absorbers and cast iron plates ensure stability during high-speed testing.	Seelong

2. SSCD350-1250/4500 350kW Electric Dynamometer Technical Parameters

Parameter Categories	Technical Indicators
Dynamometer manufacturer	Seelong
Rated power	350kW​
Rated torque	2674Nm
Rated speed	1250rpm
Maximum speed	4500 rpm
Constant torque speed range	0-1250 rpm​
Constant power speed range	1250-3750 rpm
Torque sensor model	T40B
Torque sensor manufacturer	HBM
Torque sensor range (Nm)	0-3000Nm​
Accuracy level	0.2%FS

3. SSCD350-1250/4500 350kW Motor Performance Electric Dynamometer Bench System Core Advantages

1) Comprehensive performance coverage: The core dynamometer has a power of 350kW, a torque range of 0-3000Nm , and a maximum speed of 4500rpm, which can meet the full-condition testing needs of medium and high power motors. The constant power range of 1250-3750rpm is suitable for various motor operating characteristics.

2) Excellent measurement accuracy: The HBM torque flange has an accuracy of 0.2% FS, and the Seelong power analyzer has a basic accuracy of 0.03%. Combined with a multi-dimensional data acquisition unit, it ensures accurate acquisition of key data such as torque, power, and temperature.

3) Strong system compatibility: The battery simulator supports 7 mainstream battery models, with an output voltage of 24-1200V and a peak current of 1000A, adapting to the power supply requirements of different types of motors; the ABB frequency converter system is compatible with a wide voltage input of 380V±10% and has outstanding stability.

4) Complete and flexible configuration: It covers core modules such as measurement and control, data acquisition, and power analysis. Optional components such as couplings and motor brackets are available. The bracket has an adjustment range of 200mm-500mm to adapt to different installation requirements. The combination of cast iron plate and spring shock absorber ensures test stability.

4. SSCD350-1250/4500 350kW Motor Performance Electric Dynamometer Bench System Application Areas

1) New energy vehicle sector: Suitable for performance testing of drive motors (including passenger cars and commercial vehicles) for new energy vehicles, including power, torque, efficiency, and durability, to meet the matching needs of mainstream batteries such as ternary lithium and lithium iron phosphate.

2) Industrial motor field: We can conduct factory testing and type testing on industrial asynchronous motors and synchronous motors of 350kW and below, covering the performance verification of supporting motors such as water pumps, fans, and compressors.

3) Special motor field: Adapted for specialized testing of medium and high power special motors used in engineering machinery, ships, rail transportation and other scenarios, meeting the testing requirements of high torque and wide speed range.

4) R&D and testing institutions: Provide motor performance R&D and standard compliance testing platforms for universities, research institutes and third-party testing institutions, and support the implementation of customized testing solutions.

5. SSCD350-1250 /4500 350kW Motor Performance Electric Dynamometer Bench System Reference Standards

1) National Standards:

GB/T 18488.1-20 24 "Drive Motor Systems for Electric Vehicles - Part 1: Technical Conditions",

GB/T 18488.2-20 24 "Drive Motor Systems for Electric Vehicles - Part 2: Test Methods",

GB 755-2019 "Ratings and Performance of Rotating Electrical Machines",

JB/T 10634-20 23 "Electric Dynamometer".

2) International standards:

ISO 15084-1:2017 Road vehicles - Electric drive systems - Part 1: Power interfaces;

 IEC 60034-1:2017 Rotating electrical machines - Part 1: Ratings and performance.

3) Industry-related: Components such as battery simulators and power analyzers comply with their respective industry accuracy and safety standards (e.g., the HBM T40B torque sensor complies with the ISO 16613:2013 calibration standard, and the ABB frequency conversion system complies with the IEC 61800-5-1 safety standard).

6. Motor Performance Dynamometer Test Bench System Model List

Model	Power (kW)	Torque (Nm)	Rated Speed (rpm)	Max Speed (rpm)	Torque Measurement Accuracy
SSCD15-1000/4500	15	143	1000	4000	0.2%FS
SSCD30-1000/4500	30	286	1000	4000	0.2%FS
SSCD45-1000/4000	45	430	1000	4000	0.2%FS
SSCD60-1000/4000	60	573	1000	4000	0.2%FS
SSCD75-1000/4000	75	716	1000	4000	0.2%FS
SSCD90-1000/3500	90	859	1000	3500	0.2%FS
SSCD110-1000/3500	110	1050	1000	3500	0.2%FS
SSCD160-1000/3500	160	1528	1000	3500	0.2%FS
SSCD200-1000/3300	200	1910	1000	3300	0.2%FS
SSCD250-1000/3300	250	2387	1000	3300	0.2%FS
SSCD300-1000/3300	300	2865	1000	3300	0.2%FS
SSCD30-1500/5000	30	191	1500	5000	0.2%FS
SSCD45-1500/5000	45	286	1500	5000	0.2%FS
SSCD60-1500/5000	60	382	1500	5000	0.2%FS
SSCD90-1500/5000	90	573	1500	5000	0.2%FS
SSCD132-1500/4500	132	840	1500	4500	0.2%FS
SSCD160-1500/4500	160	1019	1500	4500	0.2%FS
SSCD200-1500/4000	200	1273	1500	4000	0.2%FS
SSCD250-1500/4000	250	1592	1500	4000	0.2%FS
SSCD300-1500/3800	300	1910	1500	3800	0.2%FS
SSCD350-1250/4500	350	2674	1250	4500	0.2%FS
SSCD400-1500/3800	400	2546	1500	3800	0.2%FS
SSCD500-1500/3800	500	3183	1500	3800	0.2%FS
Power, Speed Range and the Number of Acquisition Modules Can be Customized as Required.

7. Delivery and After-sales Service​​

Delivery: Standard models ship in 90 days; customized models ship in 90-180 days (including international logistics and customs clearance assistance).

After-sales service: 1-year warranty on core components (dynamometer, torque flange) , lifetime bilingual (Chinese and English) technical support (response time ≤ 4 hours); spare parts are shipped domestically within 24 hours and delivered internationally within 7 days; 1.5 days of free operation training provided ; remote debugging supported (computer-based, including modular solution configuration guidance).

8. FAQ

Q: What's the minimum order quantity for our cooperation?

A: We support small trail order of 1 pcs for stock products.

Q:How can I learn more about the products?

A: Please leave your email and we will send you your electronic sample book.

Q: What's your payment term?

A: Normally 40% T/T deposit, pay in full before shipment.

Q:What's the lead time for my orders?

A: Dynamometers production cycle is 6-8 weeks, sensors production cycle is 2-3 weeks, other products please contact with us.

Q: How do we get the overall solution of the test bench?

A: Leave us your email, our technical staff will communicate with you about the detailed plan.

Q: Can I come to visit your factory?

A: Sure, you are always welcomed to have a visit.

Seelong Intelligent Technology (Luoyang) Co., Ltd. is located in Luoyang, the city of peonies. It is a high-tech enterprise integrating equipment measurement, control, design, manufacturing and sales services for power engineering systems of automobiles (including passenger cars and commercial vehicles), agricultural vehicles, engineering vehicles, etc.

Seelong specializes in the research and development, production, and service of testing equipment for new energy motors, hybrid power systems, engines, transmissions, and more. Our main products include electric dynamometers, measurement and control systems, DC power supplies, and working condition guarantee systems. Seelong has a complete sales and service system, adhering to the business philosophy of providing fine quality services for survival and keeping on renovation for development, and providing users with various types of power engineering measurement and control solutions in various fields.

While valuing its own technological breakthroughs and development, Seelong has established long-term and in-depth cooperative relationships with multiple domestic research institutions. It has also passed the EU CE certification, ISO9001 quality management system certification, ISO14001 environmental management system certification, ISO45001 occupational health and safety management system certification, obtained the high-tech enterprise certificate, AAA enterprise certification, and was approved as the Luoyang Enterprise R&D Center. It has obtained more than 20 invention patents and utility model patents and five software copyrights. It has provided professional equipment and services to more than 100 users at home and abroad. The company has won the trust of domestic and foreign customers with its cost-effective products and high-quality services, and has established a long-term win-win strategic partnership.

The company has always adhered to the business philosophy of "taking technological innovation as its mission and quality service as its purpose", constantly surpassing the advanced level in the same industry, integrating into the world, measuring and controlling the future, and creating high-quality products. The company is committed to providing customers with high-intelligence, high-precision, high-speed, high-reliability, and high-value-added products and services.

All employees of Seelong Intelligent Technology (Luoyang) Co., Ltd. warmly welcome sincere cooperation from domestic and foreign customers, and work together for the future and common development.