SimPowerSystems 2.3 Release Notes

    New Features
        Simulation Enhancements
        Electrical Sources Library Enhancements
        Elements Library Enhancements
        Power Electronics Library Enhancements
        Machines Library Enhancements
        Extras Library Enhancements
        Powergui Enhancements

    Major Bug Fixes
        Parasitic Currents

    Upgrading from an Earlier Release
        Synchronous Machine Block Output

    Known Software and Documentation Limitations
        Undocumented Blocks

Power System Blockset 2.2 Release Notes

    New Features
        New Extras Library Documentation

Power System Blockset 2.1 Release Notes

    New Features
        Faster Circuit Topology Analysis
        Simulation Enhancements
        Elements Library Enhancements
        Power Electronics Library Enhancements
        Machines Library Enhancements
        Measurements Library Enhancements
        Extras/Measurements Library Enhancements
        Extras/Control Blocks Library Enhancements
        Extras/Discrete Control Blocks Library Enhancements
        Powergui Enhancements
        New Demos and Improved Documentation