eDRIVE SOLUTIONS IN THE SHORTEST DEVELOPMENT TIME
In the development of e-motors there is a clear trend: focus on sustainability as well as cost-efficient solutions just call for systematic downsizing. Means – reducing technical dimensions, whilst maintaining the performance. We are systematically pushing this development through our CONNACTIVE ecosystem: In a very short time, we have succeeded in developing our CONNACTIVE eDRIVE as a highly integrated solution.
CONNACTIVE eDRIVE GOALS
The adjacent graphic shows, based on the current status quo, where our goals lie - and how far we have already progressed with our CONNACTIVE eDRIVE.
DEVELOPING AT HIGH SPEED!
Well-known companies from a wide variety of areas came together in autumn 2019 to maximize their joint innovation potential and accelerate development work through intensive exchange and close partnership.
BEST METHOD: SIMULATION
CHALLENGE:
- Sustainable support for decision-making processes
- Alternative to prototype production and physical tests
- Keep future product and operating costs effective
PRACTICE:
- Simulation methods to calculate and analyse the physical behaviour of e-motors
- Two-stage simulation process for the electromagnetic design and simulation of the electric machines and their enironment
- Look at the product under the tolerances that occur in real life
- Optimize the product with simulations in the nominal state at different operating points
RESULT:
Digital twin simulations are the efficiency booster for the ongoing development of future-oriented eDRIVE solutions.
COOPERATION SPEEDS UP INNOVATION
BEST PRACTICE: INTEGRATED PLANETARY GEAR BOX FOR HIGH-SPEED MOTORS
CHALLENGE:
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More compact. More efficient.
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Greater efficiency. Less material usage.
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Direct connection of the electric motor to the overall system
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Individual coils instead of busbars
PRACTICE:
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RX II eDrive is coupled to the planetary gearset
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Innovative coil winding
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Efficient SMC process
RESULT:
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Compact design
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Axial length of just 90 mm,
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Diameter of 280 mm
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Significantly reduced weight
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Minimal installation space
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35 kW at speeds above 18.000 rpm
COOPERATION SPEEDS UP INNOVATION
BEST RESULT: HIGH INTEGRATION
CHALLENGE:
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Stringent design and quality requirements for windings
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Selection of types of windings according to the specific application
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Placement of the power electronics in the motor
PRACTICE:
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The PCBs are mounted directly on the busbars
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Shorter transmission paths
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More installation space
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Prevents transmission losses through direct connection
RESULT:
We succeeded in creating shorter connections by intelligently integrating the power electronics directly in the motor, thus avoiding losses and achieving significant cost savings.
COOPERATION SPEEDS UP INNOVATION
CONNACTIVE
OUR SERVICE RANGE
OUR OFFER: PUT POWER INTO PRACTICE!
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Concepts – from the simulation of electric systems to the prototype
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Pre development and product defnition – design, simulation, integration, testing and verification
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Component development – motors, generators, power electronics and actuators
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eDRIVE Software development for electronics and controller
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Testing and validation of performance, functionality
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Traction and auxiliary systems
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