Products
VEM Medium-Sized Electric Drive System
Company Profile
VEM Group is a global, Germany-based medium-sized manufacturer of electrical drive systems; its brand name is derived from “Vereinigter Elektro-Maschinenbau” (United Electrical Engineering). Since its privatization in 1997, the company has continued to expand into international markets under the VEM Group brand.
Corporate Strengths
Founded in 1886, with over a century of experience in electrical engineering and manufacturing.
Approximately 1,500 employees worldwide.
Products range from 0.06 kW to 60 MW motors and generators up to 90 MVA.
Production facilities, sales offices, and technical support centers are located in multiple countries worldwide.
Served industries include transportation, chemicals, energy, mining, steel, and marine sectors.
Global Presence
VEM maintains a production, sales, and service network across Europe, China, North America, South America, Africa, and Asia, including:
VEM Saxony Plant, Germany (High-voltage motors and controlled drive systems)
VEM Motor GmbH, Germany (Low-voltage motor equipment)
Factories in the Czech Republic and Slovakia
VEM China Co., Ltd. Production Base
Company Advantages
Made in Germany: Durable and reliable products
Support for customized development
Capability to provide comprehensive drive system solutions
Low lifecycle costs
High energy efficiency and eco-friendly design
Global customer service system
24-hour rapid delivery service for in-stock motors
Traction Systems for Locomotives
Motor Types: Three-phase asynchronous traction motors, synchronous/asynchronous traction generators, permanent magnet traction generators
Power Range: Up to 1,600 kW / 3,000 kVA
Cooling Methods: Water-cooled, forced cooling, self-cooling
Features: Integrated axle box design
Product Models: DKWBZ, DKLBZ, DREBZ, DAEBZ, DPWBZ
2. EMU Systems
Motor Types: Induction traction motors, synchronous/permanent magnet traction generators, and auxiliary generators
Power Range: Up to 600 kW / 1,000 kVA
Cooling Methods: Forced cooling, natural cooling, water cooling
Product Models: DKLBZ, DREBZ, DKABZ, DPWBZ
3. Tram Drive Systems
Motor Type: Three-phase asynchronous traction motors
Power Range: Up to 130 kW
Speed Range: Up to 6,500 rpm
Cooling Method: Water-cooled, self-cooled, surface-cooled
Product Models: DKWBZ, DKCBZ, DKOBZ
4. Electric Bus Drive Systems
Motor Type: Three-phase asynchronous traction motors
Power Range: Up to 300 kW
Speed Range: Up to 4,800 rpm
Cooling Method: Forced cooling
Product Models: DKLBZ
5. Light Rail Transit Systems
Motor Type: Three-phase asynchronous traction motor
Power Range: Up to 250 kW
Speed Range: Up to 4,800 rpm
Features: Self-cooling, integrated axle box
Product Models: DKABZ, DKOBZ
6. Special-purpose rail vehicle systems
Motor type: Asynchronous traction motors, synchronous/permanent magnet traction generators
Power range: Up to 360 kW
Cooling method: Forced cooling, self-cooling, water cooling
Product models: DKABZ, DKWBZ, DAEBZ, DREBZ
7. Monorail vehicle systems
Motor type: Three-phase asynchronous traction motors
Power range: Up to 95 kW
Speed Range: Up to 4,900 rpm
Cooling Method: Independent fan surface air cooling
Product Models: DKVBZ
8. Mine Car Drive Systems
Motor Type: Traction Generator
Power Range: Up to 3,000 kVA
Speed Range: Up to 1,900 rpm
Cooling Method: Forced cooling
Product Model: DRLDZ
Railway and Rail Transit Drive Solutions
VEM Group specializes in the research and development of traction motors and drive systems for the railway and rail transit sectors. Our products are widely used in:
Mainline locomotives
Electric multiple units (EMUs)
Diesel-electric multiple units (DEMUs)
Trams
Subway and light rail systems
Monorail vehicles
Electric and hybrid buses
Industrial rail vehicles
Mining transport vehicles
Product Features
High power density design
High reliability and long service life
Adaptable to extreme operating environments
Supports multiple cooling solutions
Customizable to meet customer requirements
Compliant with global rail transit standards
Typical Customers and Projects
VEM has supplied drive systems to numerous internationally renowned rail transit companies, including:
PESA
Bombardier Transportation
Stadler Rail
Siemens
Vossloh
CAF
ABB Automation, etc.
Services and Quality Assurance
VEM provides comprehensive after-sales and technical support services:
Product training
Overhaul and maintenance guidance
Fault diagnosis and analysis
Electrical testing
Vibration and frequency analysis
Spare parts supply services
Additionally, the company has established a standardized quality assurance system covering asynchronous motors and traction generators.