WIMA - Competence in Capacitors
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The parametric search allows the targeted search for products based on specific properties.

Parametric search / Stock

All product series can be directly selected via drop-down box. Keyword search allows you to find specific terms.

Film Capacitors – Made in Germany

PowerBlock

  • Overview
  • PowerBlock
  • Applications
Fields of Application: Automotive (Passenger Cars, Trucks, Busses, Military Vehicles, and Forklifts)
Application Function Figure Requirements Special Characteristics
Recuperation of Braking Energy/Power Boost
- PowerBlock unit stores energy generatad by braking and releases it within short time for acceleration

Peak-Load Levelling
- PowerBlock unit supports battery by covering power-peaks

Local Power Supply
- PowerBlock unit supplies local electric system which need peak-power within short time

Boardnet Stabilisation
- Safety backup for security relevant on-board electronic systems

Combination with Batteries in Hybrid and Electric Cars



- Engine starting - Electronic stability control - Electric water pump
- Start-stop - Electric brakes - Audio system
- Electric heating
- 4-wheel steering
- Door close/ lock
- Electric steering
- Electric fan
   

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Low fuel consumtion

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Low CO2 emission

-

High dynamic

- Low weight of battery
- High efficiency
- Long life-time of battery
- High reliability of on-board electronics
  • Fast supply of several 100A up to 3000A in direct current operation
  • Operating stemperature range from -40°C to +65°C
  • Many years of maintenance-free operation with clearly more than 1 mio. charge/discharge cycles
  • Life expectancy >10 years
  • Significant lower weight as against batteries or secondary batteries
  • Environmentally friendly materials

Cranking of Engines

- PowerBlock unit supplies peak-power within a short time to crank an engine
- After cranking the engine the PowerBlock unit gets charged immediatly
Replacement of Starter Batteries

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Power supply under extreme weather conditions (-40°C)

-

Long de-energized periods (vintage cars)

- Maintenance-free

Transportation

Fields of Application: Transportation (Trains, Tram, Subway )
Application Function Figure Requirements Special Charecteristics
Recuperation of Braking Energy/Power Boost
- PowerBlock unit stores energy generatad by braking and releases it within short time for acceleration

Peak-Load Levelling
- PowerBlock unit supports battery by covering power-peaks

Short-Term Energy Storage
- Network support in local traffic systems by energy storage
"Rolling Stock"
 
 
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Integrated heat sink

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Saving of approx. 30% of energy by recuperation

- Efficiency >95%
-

Energy saving

-

High dynamic

- High efficiency
- Peak-power supply
- Reduction of over-head contact lines in historic cities
  • Fast supply of several 100A to 3000A in direct current operation
  • Operating temperature range from -40°C to +65°C
  • Many years of maintenance-free operation with clearly more than 1 mio. charge/discharge cycles
  • Life expectancy >10 years
  • Significant lower weight as against batteries or secondary batteries
  • Environmentally friendly materials
Motor Start
- PowerBlock unit supplies peak-power within a short time to crank an engine
Replacement of Starter Batteries
(e.g. in diesel-electric engines)


Saving:
-

approx. 90% of weight

-

approx. 25% of fuel

-

Power supply under extreme weather conditions (-40°C)

-

Low weight

- Low fuel consumption
- Maintenance-free

Power Supply (UPS); Telecommunication/Data Processing

Fields of Application: Power Supply (UPS); Telecommunication/Data Processing (Memory Backup)
Application Function Figure Requirements Special Characteristics
UPS
- Short-term power supply when mains power failure

Peak-Load Levelling
- Coverage of power peaks

 

UPS-Emergency Backup in Hospitals, Telecommunication Systems, Oil and Gas Extraction

(cost-intensive processes)


- Micro-turbine short bridging
-

Emergency backup to avoid downtime after short blackout

- Peak-power supply
- Long life-time
- Maintenance-free
  • Fast supply of several 100A to 3000A in direct current operation
  • Operating temperature range from -40°C to +65°C
  • Many years of maintenance-free operation with clearly more than 1 mio. charge/discharge cycles
  • Life expectancy >10 years
  • Significant lower weight as against batteries or secondary batteries
  • Environmentally friendly materials

Short-Term Energy Storage

- PowerBlock unit stores energy for a short time e.g. after voltage drop

Memory Backup - On-Board Logic

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Transferring data from DDR memory to flasch card


Memory Backup - Time Switch

 
- Protection of clock information after voltage drop
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Memory backup for seconds/ minutes

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Low weight

- Maintenance-free

New Energy

Fields of Application: New Energy (Wind, Solar Systems)
Application Function Figure Requirements Special Characteristics

Power Supply

- PowerBlock unit supplies local electric systems which need power within short time

Pitch Drive of Windmills


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Continuous adjustment of rotor blade angle

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Pitch control functionally independent of line voltage

- Emergency stop at blackout
-

Power supply under extreme weather conditions (-40°C)

-

Emergency switch-off system

- Life-time for >10 years
- Low weight
- Maintenance-free
  • Fast supply of several 100A to 3000A in direct current operation
  • Operating temperature range from -40°C to +65°C
  • Many years of maintenance-free operation with clearly more than 1 mio. charge/discharge cycles
  • Life expectancy >10 years
  • Significant lower weight as against batteries or secondary batteries
  • Environmentally friendly materials

Short-Term Energy Storage

- Intermediate storage of peak-voltage to provide continued power

Short-Term Energy Buffer in Solar Systems



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Power supply under extreme weather conditions (-40°C)

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Emergency switch-off system

- Life-time for >10 years
- Low weight
- Maintenance-free

 

About us

As the world's leading manufacturer, we develop and manufacture high-quality film capacitors for professional use in all areas of electronics.

As privately owned company since 1948 we are producing exclusively in Germany. As specialist in film capacitors our goal is to achieve customer satisfaction in terms of quality, innovation and service.

Our strength lies in the production and design not only of standard but also of customized products requiring experience and highly developed expertise. Solutions can therefore be offered to all customer needs.

Contact

WIMA GmbH & Co. KG
Besselstr. 2 – 4
68219 Mannheim

Phone: +49 621 86295-0
Fax: +49 621 86295-48

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WIMA - Competence in Capacitors

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