Power electronics

Power electronics, magnetics and thermal

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Caspoc is the tool of choice for high-speed simulations of power electronic systems and electrical drive. It is optimised to simulate and animate sustainable energy solutions such as photovoltaic, wind energy and electric vehicles.

The Caspoc products facilitate numerous activities in the development of power electronic systems. With the underlying top-down approach Caspoc enables the modeling and simulation of complete systems including generators, inverters and loads.

The program Caspoc includes a comprehensive component library, which covers the electrical, magnetic, thermal and mechanical aspects of the electrical energy conversion systems including their control. The Schematic Editor allows the entry of power electronic circuits , electric machines, solar panels, mechanical loads and control block diagrams as well as program code. Typical power electronic components such as semiconductors, inductors and capacitors are placed in the circuit diagram and linked to each other by drawing connections. Electric machines and sensors link to both the circuit as well as the mechanical load. The control interacts on all parts of the schematic.

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Circuit including electrical, magnetic and thermal domain

The circuit shows an isolated power converter with two secondary windings. The losses of the power Mosfet are flowing into a heatsink where the temperature rise is simulated. The coupled windings are modeled by an equivalent magnetic circuit that models the BH curve of the core material. Leakage and saturation based on real core material data is included to properly simulate the influence of the magnetic materials in switched mode power supply.

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