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Version 3.1 (R14) SimPowerSystems Software

This table summarizes what's new in Version 3.1 (R14):

New Features and Changes	Version Compatibility Considerations	Fixed Bugs and Known Problems	Related Documentation at Web Site
Yes Details below	No	Fixed bugs	No

New features and changes introduced in this version are described here:

Elements Library Enhancements

The following new blocks and enhancements have been added to the Elements library:

• The Three-Phase Harmonic Filter block implements four types of three-phase harmonic filters using RLC components.

• The Multi-Windings Transformer block implements a transformer where the number of windings on the primary side and on the secondary side can be specified. Tap windings can also be specified.

• The Parallel RLC Branch block, Series RLC Branch block, Parallel RLC Load block, and Series RLC Load block allow the initial values of capacitor voltage and inductor current to be set through the block dialog box.

Machines Library Enhancements

The following enhancements have been made to the Asynchronous Machine, the DC Machine, the Permanent Magnet Synchronous Machine, and the Synchronous Machine blocks:

• The Simulink signal going out from the measurement output is re-organized as a bus signal so you can use the Bus Selector block from Simulink library to select the machine measurements. The Machine Measurement Demux block is compatible with this new bus signal so you don't need to replace it with a Bus Selector block in your existing models.

• A new parameter named Preset model is added to the mask of the machine models. It provides a set of pre determined electrical and mechanical parameters set for various type of machine ratings of power. You select one of the preset models to load the corresponding electrical and mechanical parameters in the entries of the dialog box.

• A new parameter named Show detailed parameters is added to the mask of the machine models. It allow you to access the detailed parameters of the machine models, or to hide them when you are using a preset parameter.

Powergui Enhancements

The Powergui block features a new tool to compute the RLC parameters of an overhead transmission line from its conductor characteristics and tower geometry. This new function is also available directly from the command line by entering power_lineparam at the MATLAB prompt.

Version 4.0 (R14SP1) SimPowerSystems Software

Version 3.0 (R13SP1) SimPowerSystems Software

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