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Version 4.3 (R2006b) SimPowerSystems Software

This table summarizes what's new in Version 4.3 (R2006b):

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

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

Mechanical Input Parameter Lets You Connect SimMechanics or SimDriveline Blocks to Electric Drives by Specifying Motor Speed as Block Input

The AC and DC Electric Drive blocks have a new parameter called Mechanical input, which lets you specify either the load torque or the motor speed as block input.

As of V4.3 (R2006b), mechanical input is available for the following blocks:

• Six-Step VSI Induction Motor Drive (AC1)

• Space Vector PWM VSI Induction Motor Drive (AC2)

• Field-Oriented Control Induction Motor Drive (AC3)

• DTC Induction Motor Drive (AC4)

• Self-Controlled Synchronous Motor Drive (AC5)

• PM Synchronous Motor Drive (AC6)

• Two-Quadrant Single-Phase Rectifier DC Drive (DC1)

• Four-Quadrant Single-Phase Rectifier DC Drive (DC2)

• Two-Quadrant Three-Phase Rectifier DC Drive (DC3)

• Four-Quadrant Three-Phase Rectifier DC Drive (DC4)

• One-Quadrant Chopper DC Drive (DC5)

• Two-Quadrant Chopper DC Drive (DC6)

• Four-Quadrant Chopper DC Drive (DC7)

To switch to the motor speed as mechanical input, open the block dialog box and set the Mechanical input option in the bottom portion of the dialog box to Speed w. Note that if you select the motor speed as mechanical input, the internal mechanical system is not used and the inertia and viscous friction parameters are not displayed. You have to include these parameters in the external mechanical system.

Version 4.4 (R2007a) SimPowerSystems Software

Version 4.2 (R2006a) SimPowerSystems Software

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