SLIVEN · ENGINEERING SINCE 1967
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71–85%
Efficiency across the entire speed range.
DYNAMO SLIVEN · SINCE 1967
We create
the drive
of the future.
Since 1967, we have been developing electric motors, alternators and industrial solutions for companies worldwide.
HIGH-OUTPUT ALTERNATORS
BRUSHLESS TECHNOLOGY
Less wear.
More possibilities.
Brushless alternators for applications with high electrical power demand. Discover DYNAMO SLIVEN solutions.
TECHNOLOGY IN DETAIL
DEVELOPMENT TO YOUR SPECIFICATION
Your challenge.
Our engineering
solution.
From the initial idea and 3D model to the prototype, testing and production. We work with you on your specific requirements.
FROM IDEA TO FINISHED PRODUCT
ELECTRIC DRIVES
Motion created
for industry.
DC motors, servomotors and drives for machinery, equipment and industrial applications.
ELECTRIC MOTORS AND SERVO DRIVES
STARTERS AND STARTER SOLENOIDS
A reliable start
to every movement.
Automotive starters and starter solenoids. Explore the models and technical specifications for your application.
PRECISION IN EVERY COMPONENT
COLD-STAMPED PARTS
Precise form.
Real possibilities.
Cold-stamped parts in steel, aluminium, copper, brass and other materials. From specification to finished component.
MATERIALS. FORM. PRECISION.
Conceptual visualisations of product and manufacturing categories.
WHY DYNAMO SLIVEN
Bulgarian engineering precision focused on innovation and the future
1967
Year founded
ISO 9001
Quality management system
To specification
Customised solutions
Sliven, BG
Engineering and manufacturing in Bulgaria
WHAT WE MANUFACTURE
Strength in every
field.
Automotive alternators and starters, electric motors, complete electric drive systems and professional tools.
01
Alternators
Brushless alternators for transit and city buses, special-purpose vehicles and off-road equipment.
02
Brushless motors
Electric drive solutions tailored to the requirements of each application.
04
Electric motors
Electric motors with permanent magnets and electromagnetic excitation.
Cold stamping
Precision parts in steel, aluminium, copper, brass and other materials.
Custom solutions
Design, analysis, prototyping and manufacturing to your technical specification.
FROM IDEA TO SERIES PRODUCTION
One idea.
A complete production journey.
Development, analysis, prototyping and testing. We align every step with your project requirements.
01
Idea
02
Design
03
3D model
04
Thermal analysis
05
Prototype
06
Tests
07
Manufacturing
ENGINEERING EXPERTISE
Detail makes the difference.
Six engineering capabilities — brought together in one coherent process.
01 / ENGINEERING PROCESS
Electrical machine design
We design and manufacture a product to your requirements, bearing your brand.
02 / ENGINEERING PROCESS
3D modelling
We model the product and develop the solution for its manufacture.
03 / ENGINEERING PROCESS
Thermal analysis
We carry out thermal analysis and testing of the solution under development.
04 / ENGINEERING PROCESS
Finite element analysis
We analyse the product results against the requirements of your specification.
05 / ENGINEERING PROCESS
Prototype manufacture
We manufacture a prototype of your product before the subsequent production stages.
06 / ENGINEERING PROCESS
Assembly and testing
We assemble and test the product that will bear your brand.
DEVELOPMENT TO YOUR SPECIFICATION
Your challenge.
Our engineering focus.
Our team works with you on the required specifications, application and operating conditions. Design, 3D modelling, analysis and prototyping come together in one coherent development process.
A203 / 21 · 28 V / 400 A
HIGH-OUTPUT BRUSHLESS ALTERNATOR
A203.
Power with character.
28 V / 400 A. Brushless technology for onboard systems with high electrical power demand.
28 V / 400 A
Specifications of the featured solution
71–85%
Efficiency of the featured solution
The air cooling system ensures an optimum temperature for the stator and rectifier system, even in high ambient temperatures.
Negative earth, positive earth or an isolated system available at the customer's request.
Long service life: described as a maintenance-free component, with double-sealed front bearing 6307 and rear bearing 6206. Low weight: comparatively lower than similar products.
RECOMMENDED BY DYNAMO SLIVEN
Products for specific purposes.
Explore selected series of electric motors, starters, starter solenoids and high-output alternators.
APPLICATIONS
Technology starts with your challenge.
Explore the application areas or send us your technical specification.
Transport
Electrical solutions for transport systems.
High-output alternators
Buses
Power supply for onboard systems with high consumption.
Brushless alternators A203
Caravans
Solutions tailored to your vehicle's needs.
Alternators for onboard systems
Special-purpose equipment
Drives for operation under specific conditions.
МРП series electric motors
Industry
Electric motors and servo drives for equipment.
Servomotors PI, PC, 3PI
Electrical systems
Products for starting, control and drive applications.
Starter solenoid РСМ-114
COLD-STAMPED PARTS
Precision components.
Different materials.
Since 1967, DYNAMO SLIVEN has been developing and manufacturing cold-stamped components in steel, aluminium, copper, brass and other materials.
DYNAMO SLIVEN AD
Manufacturing backed by engineering expertise.
DYNAMO SLIVEN AD manufactures electric motors and precision components to high quality standards. Quality and precision at every stage of development and manufacturing.
Our team of engineers, designers and product specialists works with you to understand your needs in detail and offer a product that meets your specific requirements.
Automotive alternators and starters
Electric motors and complete electric drive systems
Professional tools and precision components
ISO 9001
Quality management system
Design
Development to technical specification
Testing
Product assembly and testing
Partnership
From the first idea to production
NEWS • PROJECTS • DOCUMENTS
Latest from DYNAMO SLIVEN.
Technical articles, company projects and public announcements in one place.
Forget the brushes
The advantages of high-output brushless alternators: longer service life and high output voltage.
Projects and announcements
Information about company projects and notification of an investment proposal.
CONTACT US
Have a project?
Our engineers are ready to develop a solution for you.
Send us your application, required specifications and quantity.
DYNAMO SLIVEN AD
Bansko Shose №18, P.O. Box 273
Sliven 8800, Bulgaria
Monday – Friday: 8:00 – 17:00
Saturday and Sunday: closed
THE TECHNOLOGY BEHIND MOTION
Power created
for motion.
A203 · 28 V / 400 A
Air cooling
For the stator and rectifier system.
Long service life
Double-sealed bearings 6307 / 6206.
For heavy-duty applications
Buses and special-purpose equipment.
Product visualisation · Components and application are illustrative.
More about the design and applications
Air cooling maintains the operating temperature of the stator and rectifier system, including in high ambient temperatures. Negative or positive earth, as well as an isolated system, are available at the customer's request.
The alternator is described as a solution with a long service life and no maintenance requirements, with double-sealed front bearing 6307 and rear bearing 6206. Comparatively lower weight than similar products. Applications: transit and city buses, special-purpose vehicles, motorhomes and off-road equipment.
APPLICATIONS · DYNAMO SLIVEN
One technology.
Countless applications.
Six categories. Real products. Point to or select an application.
Product visualisations based on original DYNAMO SLIVEN photographs · Scenes are illustrative.