Electric Bus Motor Solutions
Our electric bus motor solutions are designed to accelerate the transition to clean, reliable, and efficient public transportation. We provide mature direct-drive electric bus motors or integrated e-powertrains that combine motors, controllers, and gearboxes. These solutions are adaptable for a wide range of vehicles, including city buses, long-distance coaches, and even electric railway vehicles.
Currently, our electric bus motor solutions are widely adopted in public transportation networks worldwide, with successful mass deployment in regions including France, the UK, Malaysia, Australia, Brazil, and more. By leveraging these solutions, bus manufacturers and operators can reduce costs, shorten time-to-market, and confidently deliver sustainable, high-performance electric mobility for public transport.
Email: contact@brogenevsolution.com
Strong R&D Capabilities
We have full-cycle validation capabilities for electric bus powertrain development. Our rigorous testing process, including bench tests and vehicle trials, ensures continuous improvement and reliable performance. With advanced testing devices, 20+ test vehicles, and a robust experimental process, we validate products through a range of tests, including immersion, temperature extremes, salt spray, vibration, durability, noise, and road tests. This ensures excellent reliability, cost-efficiency, power, and lightweight design of our systems.
- System Integration Development
- Software Development
- Motor & Controller Development
- Transmission Development
Brogen Electric Bus Motor Solution Features
Precision Control
Utilizes advanced electric motor control technology for accurate speed, position, and torque management, perfectly aligning with the needs of modern high-precision public transport vehicle control.
Lightweight Design
Utilizes permanent magnet materials and integration technology to reduce the weight of the e-powertrain system, enhance power density, and optimize space efficiency - increasing passenger capacity.
Energy-Efficient
Achieves dual 90% efficiency benchmarks, supporting green transportation and sustainable development, embodying a strong commitment to environment stewardship.
Brogen Offerings of Electric Bus Motor Solutions
1. Direct-Drive Electric Bus Powertrain
Our direct-drive motors utilize PMSM (Permanent Magnet Synchronous Motor) technology, offering high efficiency and compact size. With a power range of 60 – 400 kW and a torque range of 500 – 5000 N.m, they are suitable for a wide variety of vehicle types and operating conditions. These motors deliver exceptional driving performance, providing safe, reliable, and durable power support for vehicle operations.
- Power range: 60 - 400 kW
- Torque range: 500 - 5000 N.m
- Applications: buses, coaches, trains
Technical Parameters
| Model | Motor Power (Rated/Peak) | Motor Torque (Rated/Peak) | Maximum Speed |
| OEDM500 | 60/120 kW | 300/500 N.m | 5000 rpm |
| OEDM850 | 75/120 kW | 350/850 N.m | 5000 rpm |
| OEDM1000 | 60/130 kW | 400/1000 N.m | 4000 rpm |
| OEDM1300 | 90/190 kW | 550/1300 N.m | 4000 rpm |
| OEDM1700L | 80/150 kW | 750/1700 N.m | 3000 rpm |
| OEDM1700H | 100/220 kW | 750/1700 N.m | 4000 rpm |
| OEDM2100L | 80/185 kW | 900/2100 N.m | 2800 rpm |
| OEDM2100H | 90/195 kW | 900/2100 N.m | 3500 rpm |
| OEDM2500 | 100/200 kW | 1000/2500 N.m | 2800 rpm |
| OEDM2800L | 115/200 kW | 1200/2800 N.m | 2600 rpm |
| OEDM2800H | 135/275 kW | 1200/2800 N.m | 3500 rpm |
| OEDM3400 | 180/290 kW | 1600/3400 N.m | 3000 rpm |
| OEEM370-240F | 120/240 kW | 1200/2400 N.m | 3000 rpm |
| OEEM330-350-1 | 220/350 kW | 1200/3200 N.m -20s | 3000 rpm |
| OEEM380-350 | 215/350 kW | 1260/2800 N.m -20s | 3500 rpm |
| OEEM330-160 | 80/160 kW | 800/1600 N.m | 3000 rpm |
| OEEM330-240-1 | 120/240 kW | 1200/2400 N.m | 3000 rpm |
| OEEM380-240 | 120/240 kW | 1400/2800 N.m | 2500 rpm |
| OEEM330-240-2 | 120/240 kW | 1200/2800 N.m | 2500 rpm |
| OEEM330-350-2 | 220/350 kW | 1450/2800 N.m (3200 N.m -20s) | 3000 rpm |
| OEUP-M180 | 100/180 kW | 235/470 N.m | 12000 rpm |
| OEUP-M220 | 110/220 kW | 325/650 N.m | 10500 rpm |
*Please note that these parameters are for reference only. For detailed specifications, please contact our sales team. Additional options and controllers are available upon request. Email: contact@BrogenEVSolution.com
High Efficiency
Designed with thin silicon steel sheets, high-permeability magnetic materials, and sinusoidal air-gap magnetic density optimization, our motors achieve peak efficiency exceeding 97%. More than 90% of the system operates within an efficiency range of ≥85%, significantly enhancing energy utilization.
Noise Reduction
By incorporating advanced rotor segmentation and optimized auxiliary slot parameters, our motors effectively minimize operational noise. The no-load noise level across the full speed range remains below 72dB(A), providing a distinct competitive advantage in the industry.
Enhanced Thermal Management
The dual-helix water-cooling design maximizes heat dissipation and system stability while maintaining optimal hydraulic resistance and pressure balance, ensuring long-term reliability under demanding conditions.
Advanced Environmental Protection
The motor features a flange-mounted sealing structure that effectively prevents the ingress of mud, sand, and water. This enhances operational reliability, particularly in challenging environments.
Optimized Manufacturing and Insulation
The junction box utilizes a stamped sheet-metal and vulcanized rubber construction process, improving production efficiency and reducing material costs. Additionally, the vulcanized rubber layer minimizes internal temperature fluctuations, enhancing resistance to condensation and extending service life.
According to clients’ different requirements, we can provide standalone MCUs or high-voltage integrated controller systems, integrating MCU, PDU, DC-DC, and steering and braking DC/AC.
Note: Controllers are usually supplied as part of the electric powertrain system and are not sold separately.
*The specific features vary depending on the configuration. For more parameter information, please contact us at contact@BrogenEVSolution.com
ISO 26262 Compliance
Functional safety requirements and software/hardware development meet ASIL C standards.
Dual-Integration Design
Combines functional and physical integration to significantly reduce size, weight, and manufacturing costs.
Dual-Inverter Control Technology
Minimizes losses and achieves a maximum efficiency of 98.5%.
Modular & Scalable Architecture
Designed for flexibility and easy expansion.
Digital Simulation & Optimization
Uses digital modeling for simulation analysis, enabling more efficient and cost-effective component selection.
Advanced EMC Design
Multi-stage filtering, optimized wiring layout, enhanced shielding, and structural improvements ensure Class 5 compliance under no-load conditions.
2. Integrated Electric Bus Powertrain (Motor+MCU)
We provide a reliable and highly efficient integrated electric powertrain for electric buses or coaches, from 8 meters to 12 meters. Our 2-in-1 integrated e-powertrain solution incorporates the motor and controller. It has been in mass production since 2018, with over 30,000 units successfully deployed. This proven e-powertrain for bus delivers zero emissions, low noise, and pollution-free performance, meeting the stringent requirements of modern electric buses.
- Increased Driving Range
- Smaller Size and Lightweight Design
- Enhanced Vehicle Layout
Technical Parameters
| Motor Model | OETZ400XS-120-K01 | OETZ400XS-100-K01 | OETZ400XS-90-K02 | OETZ400XS-90-K01 |
| Rated Power | 120 kW | 100 kW | 90 kW | 90 kW |
| Peak Power | 200 kW | 200 kW | 180 kW | 150 kW |
| Rated Torque | 1300 N.m | 1000 N.m | 860 N.m | 636 N.m |
| Peak Torque | 2800 N.m | 2500 N.m | 2150 N.m | 1700 N.m |
| Rated Speed | 881 rpm | 955 rpm | 1000 rpm | 1350 rpm |
| Peak Speed | 2500 rpm | 2700 rpm | 2700 rpm | 3000 rpm |
| Battery Voltage | 540 VDC | 540 VDC | 540 VDC | 540 VDC |
| Peak Current | 540 A | 451 A | 451 A | 420 A |
| Cooling Method | Liquid cooling | Liquid cooling | Liquid cooling | Liquid cooling |
| IP Rate | IP67 | IP67 | IP67 | IP67 |
| Applicable Vehicles | 12-meter bus | 10.5-meter bus | 8.5~10-meter bus | 8-meter bus |
*Please note that these parameters are for reference only. For detailed specifications, please contact our sales team. Additional options and controllers are available upon request. Email: contact@BrogenEVSolution.com
Compact Integrated Design
Optimized for minimal space usage, making vehicle integration more efficient.
Enhanced EMC Performance
Eliminates three-phase wiring harness radiation, reducing electromagnetic interference while improving overall system stability.
Lower Energy and Procurement Costs
Reduces power loss in wiring, improving efficiency and lowering component costs.
High Motor Efficiency
Achieves the "Dual 90" efficiency standard, ensuring exceptional performance and energy savings.
Applications
Our electric bus motor systems have been widely adopted in public transportation fleets worldwide, with proven performance in large-scale deployments. They have already been successfully exported to numerous countries, including the UAE, Australia, Malaysia, Indonesia, the Philippines, Canada, Mexico, and beyond.
Today, most of our electric bus motor systems are in full mass production, ensuring reliability, scalability, and readiness for large-scale fleet electrification projects.
How We Work
Navigating Our Process
Demand Analysis & Project Evaluation
Once we receive your inquiry, our experts will connect with you within two business days to understand your specific requirements for the EV solution and conduct an initial feasibility evaluation of your project.
Project & Technical Coordination
If the project is deemed feasible, our engineering team will collaborate closely with your team on both hardware and software aspects to develop a viable solution. We will also provide a detailed quotation based on the technical requirements.
Development, Manufacturing & Testing
For customized or modified systems, we proceed with product development, including hardware and software adaptations. Our EV systems undergo rigorous testing to ensure quality, reliability, and full functionality before deployment.
In-Time Global Shipping & Delivery
We have established strong partnerships with international shipping providers, ensuring safe and timely delivery of products to your specified location. This guarantees a smooth and efficient deployment of your EV project.
Full-Stage Remote/Onsite Technical Support
We provide technical support throughout the entire project lifecycle, including consultancy, hardware and software development, calibration, and both onsite and remote debugging, ensuring optimal performance and long-term success.
Frequently Asked Questions
Yes. We support small-batch orders for prototype development, with flexible MOQ and lead time.
- Our electric bus motors are designed and tested in compliance with Chinese national standards, which, in many aspects, are more stringent than international equivalents.
- For some models, we do not preapply certain certificates, but we can provide necessary technical documents and support to assist you in completing local certifications in your country.
We offer full-cycle support, including pre-sales consultation, system matching, debugging, remote diagnostics, and after-sales services. Our multilingual team ensures smooth communication throughout.
We offer industry-standard or extended warranties depending on the project. For batch orders, we prepare spare parts in advance to reduce downtime and handle warranty claims efficiently.
We support flexible shipping terms such as FOB, CFR, and CIF. Lead times vary based on system type and customization.
- We provide tailored EV solutions, but not ready-to-install retrofit kits.
- To ensure optimal system performance and safety, we require that our clients have a professional EV engineering team with hardware and software capabilities.
- During the early stage of the project, we also expect the client’s technical team to participate in solution discussions to ensure the best fit between our solution and your vehicle architecture.
Contact Us
Get in touch with us by sending us an email, using the Whatsapp number below, or filling in the form below. We usually reply within 2 business days.
Email: contact@brogenevsolution.com
Respond within 1 business day
Whatsapp: +8619352173376
Business hours: 9 am to 6 pm, GMT+8, Mon. to Fri.
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