Electrical Machines

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Easy to use models for complete machine designs

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With today's personal computers, you have the power to create simulations of electric machinery and complete drive systems that allow you to study transient and control performance and test conceptual designs. The outcome of these simulations can reveal behaviors that may not have been readily apparent from the theory and design of the machines.

The Electric Drives Library allows modeling and simulation of an entire electric drive system and is ideal for simulation of hybrid electrical vehicles and new alternative concepts with electrical auxiliaries. It provides components for modeling any type of electrical drive including energy storage device, power electronics and motor models.

Frequency converters are increasingly used to power electrical machines. The spectrum of applications ranges from industrial drives to automotive technology. The Caspoc component library includes a variety of DC and AC machines which complete drive systems can be set up quickly .

THe Caspoc collection of ready- machine models to meet the needs of most applications :

  • DC machines, series, parallel, universal, perment and field wound
  • Brushless DC machines, Hall sensors and sensorless.
  • Induction machines, squirel cage and wound rotor
  • Synchronous machines motors and generators for power systems
  • Permanent magnet machines, surface mount magnets and interior permanent magnets
  • Switched Reluctance Machines
  • Stepper motors

For new devolped electric machine concepts, the user can develop their own models. Instead of designing this from scratch, existing library models can be modified to meet specific requirements.

Nonlinear Models and saturation

To get the most from the electric drive, electrical machines are designed to operate close to the magnetic saturation, in order to maximize power density. To simulate such a machine correctly, the models must include magnetic saturation curves. Caspoc provides novel nonlinear models in which the saturation properties can be adjusted in a flexible manner.

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For example, permanent interior magnet machines have different non-linear reactances in d and q direction. In Caspoc they are modeled independently of each other. The Caspoc solver can easily and efficiently deal with such non-linearities.

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