SSCH75-4000/15000 75kW New Energy Vehicle Powertrain System
Performance Test Bench
1. SSCH75-4000/15000 75kW New Energy Vehicle Powertrain System Performance Test Bench Component Description
The SSCH75-4000/15000 75kW New Energy Vehicle Powertrain System
Performance Test Bench is a high-performance testing device
specifically designed for testing drive motors and powertrain
systems in commercial vehicles. This bench features a modular
design, integrating a Electric Dynamometer, torque flange,
frequency converter system, and intelligent measurement and control
module, enabling comprehensive evaluation of the performance,
efficiency, and reliability of drive motors, powertrain systems,
and battery systems.
| Component Name | Core Specifications | Brand |
| SSCH75-4000/15000 electric dynamometer | Rated power: 75kW, Rated speed: 4000rpm, Rated torque: 179Nm, Max
speed: 15000rpm, water cooling | Seelong |
| Torque flange | HBM brand, measuring range 0-500Nm, accuracy ±0.05%FS, permissible
speed 20000r/min | HBM |
| Variable frequency inverter system | ABB brand, input voltage three-phase AC 380V±10%, with multiple
protections against overload, overvoltage, and overheating. | ABB |
| XLM-1000 measurement and control system | Industrial PC: IPC710; CPU: Intel Core I7; Memory: 32GB DDR4; Hard
Drive: 1TB SSD; Pre-installed XL M-1000 measurement and control
system software (supports real-time data acquisition, curve
analysis, and report generation). | Seelong |
| Data acquisition system | Includes a temperature sensor (PT100), a vibration sensor , a
temperature acquisition module , an analog input module , and a
digital output module. | Advantech ADAM-4017+ |
| Power analyzer | Model: PW4001-05; Measurement accuracy: 0.03%; Display: 7-inch LCD
touchscreen; Channels: 4 channels ; Current transformer: CTD500A,
accuracy 0.03% | Seelong |
| Battery simulator | Rated power 150kW, voltage range 12-1200V, current 500A | Seelong |
| Temperature control system | Temperature control range: ambient temperature - 110℃; flow rate:
50L/min | Seelong |
| Axial flow fan | 2.2kW, air volume 4000m³/h | Seelong |
| Optional - Coupling | Permissible torque: 575Nm; Permissible speed: 18000 r/min | Seelong |
| Optional - Motor bracket | Non-standard custom L-shaped motor bracket, wall thickness >
50mm | Seelong |
| Optional - Cast iron plate | Material: HT300 (tensile strength ≥300MPa); flatness: ≤0.05mm/m;
surface roughness: Ra≤1.6μm ; shock absorbers and cast iron plates
ensure stability during high-speed testing. | Seelong |
| Optional - Shock absorbers | Type: Spring shock absorber; Rated load: 100-300kg/unit; Damping
coefficient: 0.2-0.3; Applicable vibration frequency: 5-10Hz ; The
shock absorber and cast iron plate ensure stability during
high-speed testing. | Seelong |
2. SSCH75-4000/15000 Electric Dynamometer Technical Parameters
| Parameters | Specifications |
| Model | SSCH75-4000/15000 |
| Rated power | 75kW |
| Rated speed | 4000rpm |
| Rated torque | 179Nm |
| Maximum speed | 15000rpm |
| Cooling method | Water cooling |
| Moment of inertia | 0.45 kg·m² |
| Protection level | IP54 |
| Overload capacity | 150% of rated power |
| Torque measurement accuracy | ±0.2%FS |
| Speed measurement accuracy | ±1rpm |
3. SSCH75-4000/15000 75kW New Energy Vehicle Powertrain System Performance Test Bench Core Advantages
1) High-precision measurement: HBM torque flange accuracy reaches ±0.05%FS, and Seelong power
analyzer measurement accuracy is 0.03%, meeting R&D-level
testing requirements.
2) Full-scenario adaptation: The battery simulator supports a voltage range of 12-1200V,
making it compatible with high-power Powertrain systems in
commercial vehicles and other applications.
3) Intelligent Measurement and Control: The XLM-1000 measurement and control system supports real-time
data acquisition and curve analysis, offering efficient and
convenient operation.
4) Safe and reliable: ABB inverter systems have multiple protections, and the
water-cooling system ensures long-term stable operation of the
equipment.
5) Modular configuration: Core components and optional components are separated to adapt to
different specifications of powertrain system testing.
4. SSCH75-4000/15000 75kW New Energy Vehicle Power Performance Test Bench Application Areas
1) Performance testing of commercial vehicle drive motors and
powertrain systems
2) Research and verification of high-power new energy vehicle
powertrain systems
3) Third-party certification testing and production quality
inspection
4) Research projects related to universities and research
institutes
5. SSCH75-4000/15000 75kW New Energy Vehicle Powertrain System Performance Test Bench Reference Standards
1) GB/T 18488.1-2024 "Drive Motor Systems for Electric Vehicles -
Part 1: Technical Requirements"
2) GB/T 18488.2-2024 "Drive Motor Systems for Electric Vehicles -
Part 2: Test Methods"
3) GB/T 29307-2012 "Drive Motor Controller for Electric Vehicles"
4) QC/T 1088-2017 "Reliability Test Method for Drive Motor Systems
for Electric Vehicles"
6. New Energy Vehicle Powertrain System Performance Test Bench Model List
| Model | Power (KW) | Torque (Nm) | Rated Speed (rpm) | Max Speed (rpm) | Torque Measurement Accuracy |
| SSCH22-4500/18000 | 22 | 47 | 4500 | 18000 | 0.2%FS |
| SSCH30-4500/18000 | 30 | 64 | 4500 | 18000 | 0.2%FS |
| SSCH45-4500/18000 | 45 | 95 | 4500 | 18000 | 0.2%FS |
| SSCH48-4500/18000 | 48 | 102 | 4500 | 18000 | 0.2%FS |
| SSCH60-4000/15000 | 60 | 143 | 4000 | 15000 | 0.2%FS |
| SSCH75-4000/15000 | 75 | 179 | 4000 | 15000 | 0.2%FS |
| SSCH90-4000/15000 | 90 | 215 | 4000 | 15000 | 0.2%FS |
| SSCH110-4000/15000 | 110 | 263 | 4000 | 15000 | 0.2%FS |
| SSCH160-4000/15000 | 160 | 382 | 4000 | 15000 | 0.2%FS |
| SSCH200-4000/12000 | 200 | 477 | 4000 | 12000 | 0.2%FS |
| SSCH250-4000/12000 | 250 | 597 | 4000 | 12000 | 0.2%FS |
| SSCH300-4000/10000 | 300 | 716 | 4000 | 10000 | 0.2%FS |
| SSCH350-4000/10000 | 350 | 836 | 4000 | 10000 | 0.2%FS |
| SSCH400-4000/10000 | 400 | 955 | 4000 | 10000 | 0.2%FS |
| Can be customized |
7. Delivery and After-sales Service
- Delivery: Standard models ship in 90 days, customized models 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 day of free operation training is
provided, and remote debugging is supported (computer terminal +
video guidance).
