Machines

Asynchronous and synchronous machines, motors, excitation systems

Generate power and provide electromechanical actuation.

Blocks

Machines

Asynchronous Machine	Model dynamics of three-phase asynchronous machine, also known as induction machine, in SI or pu units
DC Machine	Implement wound-field or permanent magnet DC machine
Hydraulic Turbine and Governor	Model hydraulic turbine and proportional-integral-derivative (PID) governor system
Multiband Power System Stabilizer	Implement multiband power system stabilizer
Permanent Magnet Synchronous Machine	Three-phase permanent magnet synchronous machine with sinusoidal or trapezoidal back electromotive force, or five-phase permanent magnet synchronous machine with sinusoidal back electromotive force
Simplified Synchronous Machine	Model the dynamics of simplified three-phase synchronous machine
Single Phase Asynchronous Machine	Model dynamics of single phase asynchronous machine with squirrel-cage rotor
Steam Turbine and Governor	Model the dynamics of speed governing system, steam turbine, and multimass shaft
Stepper Motor	Implement stepper motor model
Switched Reluctance Motor	Model the dynamics of switched reluctance motor
Synchronous Machine SI Fundamental	Model dynamics of three-phase round-rotor or salient-pole synchronous machine using fundamental parameters in SI units
Synchronous Machine pu Fundamental	Model dynamics of three-phase round-rotor or salient-pole synchronous machine using fundamental parameters in pu units
Synchronous Machine pu Standard	Model dynamics of three-phase round-rotor or salient-pole synchronous machine using standard parameters in pu units

Excitation Systems

AC1A Excitation System	Implements IEEE type AC1A excitation system model
AC4A Excitation System	Implements IEEE type AC4A excitation system model
AC5A Excitation System	Implements IEEE type AC5A excitation system model
DC1A Excitation System	Implements IEEE type DC1A excitation system model
DC2A Excitation System	Implements IEEE type DC2A excitation system model
Excitation System	Provide excitation system for synchronous machine and regulate its terminal voltage in generating mode
ST1A Excitation System	Implements IEEE type ST1A excitation system model
ST2A Excitation System	Implements IEEE type ST2A excitation system model
Generic Power System Stabilizer	Implement generic power system stabilizer for synchronous machine

Functions

`power_AsynchronousMachineParams`	Estimate electrical parameters of double cage asynchronous machine based on standard manufacturer specifications
`power_PMSynchronousMachineParams`	Convert manufacturer specifications to mask parameters of Permanent Magnet Synchronous Machine block

Topics

Three-Phase Systems and Machines
Use electrical machines and three-phase components. Apply the phasor solution method to analyze electromechanical oscillations in power systems.

Featured Examples

Simplified Synchronous Machine - Speed Regulation

A load shedding test on a 2000 kVA, 600 V alternator.

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Synchronous Machine

The use of the Machine Initialization tool of Powergui to initialize machine currents.

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Starting a Synchronous Motor

The starting procedure for a synchronous motor.

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Mechanical Coupling of Synchronous Generator with Exciter System Using the Simscape Mechanical Rotational Port

A machine mechanical coupling of an excitation system using Simscape™ mechanical rotational ports.

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Mechanical Coupling of Synchronous Generator with Exciter System

A Machine mechanical coupling of an excitation system.

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Three-Phase Asynchronous Machine

The asynchronous machine in an open-loop speed control on a 3 HP 220 V industrial motor.

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Saturation in Three-Phase Asynchronous Machine

The effects of saturation in a three-phase asynchronous motor at various operating conditions.

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Single-Phase Asynchronous Machine

The operation of a single phase asynchronous motor in Capacitor-Start and Capacitor-Start-Run operation modes.

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Voltage Control of Auxiliary Winding of a Single-Phase Asynchronous Machine

A drive acting on the auxiliary winding of a single-phase synchronous machine.

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Vector Control of a Single-Phase Asynchronous Machine

The vector control of an AC drive.

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Permanent Magnet Synchronous Machine

The Permanent Magnet Synchronous Machine in a closed-loop speed and current control on a 1.1 kW, 3000 rpm industrial motor.

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Brushless DC Motor Fed by Six-Step Inverter

The use of a Six-Step Switch-on mode for a trapezoidal PMSM motor rated 1kW, 3000 rpm and speed regulated.

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Five-Phase Permanent Magnet Synchronous Machine

The use of the Five-Phase PMSM and the Three-Phase PMSM in a closed-loop speed and current control on two 4.4 kW industrial motors..

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Starting a DC Motor

The starting of a 5 HP 240V DC motor with a three-step resistance starter.

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Subsyncronous Resonance in Steam Turbine and Governor System

Sub-synchronous resonance (SSR) in Steam Turbine and Governor on a series-compensated network.

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Emergency Diesel-Generator and Asynchronous Motor

The Machine Load Flow tool of Powergui block to initialize an induction motor/diesel-generator system.

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Switched Reluctance Motor

A current-controlled 60-kW 6/4 SRM drive using the SRM specific model based on measured magnetization curves. 8/6 and 10/8 preset models are also presented with same control strategy.

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Six-Phase Synchronous Machine with Post-Fault Operating Strategy

The use of a 100 KVA Six-Phase Synchronous Machine under normal and fault operation.

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Stepper Motor Drive

A model of a hybrid stepper motor drive.

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