Motors and Generators

Asynchronous and synchronous machines, motors, excitation systems

Generate power and provide electromechanical actuation.

Blocks

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AC1A Excitation SystemImplements IEEE type AC1A excitation system model
AC4A Excitation SystemImplements IEEE type AC4A excitation system model
AC5A Excitation SystemImplements IEEE type AC5A excitation system model
DC1A Excitation SystemImplements IEEE type DC1A excitation system model
DC2A Excitation SystemImplements IEEE type DC2A excitation system model
Excitation SystemProvide excitation system for synchronous machine and regulate its terminal voltage in generating mode
ST1A Excitation SystemImplements IEEE type ST1A excitation system model
ST2A Excitation SystemImplements IEEE type ST2A excitation system model
Asynchronous MachineModel the dynamics of three-phase asynchronous machine, also known as induction machine
DC MachineImplement wound-field or permanent magnet DC machine
Generic Power System StabilizerImplement generic power system stabilizer for synchronous machine
Hydraulic Turbine and GovernorModel hydraulic turbine and proportional-integral-derivative (PID) governor system
Multiband Power System StabilizerImplement multiband power system stabilizer
Permanent Magnet Synchronous MachineThree-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 MachineModel the dynamics of simplified three-phase synchronous machine
Single Phase Asynchronous MachineModel dynamics of single phase asynchronous machine with squirrel-cage rotor
Steam Turbine and GovernorModel the dynamics of speed governing system, steam turbine, and multimass shaft
Stepper MotorImplement stepper motor model
Switched Reluctance MotorModel the dynamics of switched reluctance motor
Synchronous MachineModel the dynamics of three-phase round-rotor or salient-pole synchronous machine

Functions

power_AsynchronousMachineParamsEstimate electrical parameters of double cage asynchronous machine based on standard manufacturer specifications
power_PMSynchronousMachineParamsConvert manufacturer specifications to mask parameters of Permanent Magnet Synchronous Machine block
power_loadflowPerform positive-sequence load flow or unbalanced load flow. Initialize models containing three-phase machines and dynamic load blocks

Topics

Simulate Variable Speed Motor Control

Model and discretize simple motors with specialized blocks. Use the FFT Analysis tool of the Powergui block to perform harmonic analysis.

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

Six-Phase Synchronous Machine with Post-Fault Operating Strategy

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

Stepper Motor Drive

A model of a hybrid stepper motor drive.

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Simplified Synchronous Machine - Speed Regulation

Simplified Synchronous Machine - Speed Regulation

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

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Synchronous Machine

Synchronous Machine

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

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Starting a Synchronous Motor

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

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

Mechanical Coupling of Synchronous Generator with Exciter System

A Machine mechanical coupling of an excitation system.

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Three-Phase Asynchronous Machine

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

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

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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Single-Phase Asynchronous Machine - Voltage Control of Auxiliary Winding

Single-Phase Asynchronous Machine - Voltage Control of Auxiliary Winding

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

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Single-Phase Asynchronous Machine - Vector Control of AC Drive

Single-Phase Asynchronous Machine - Vector Control of AC Drive

The vector control of an AC drive.

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Permanent Magnet Synchronous Machine

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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Five-Phase Permanent Magnet Synchronous Machine

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

Starting a DC Motor

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

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Steam Turbine and Governor System - Subsynchronous Resonance

Steam Turbine and Governor System - Subsynchronous Resonance

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

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Emergency Diesel-Generator and Asynchronous Motor

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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Performance of Three PSS for Interarea Oscillations

Performance of Three PSS for Interarea Oscillations

Three Power System Stabilizers (PSS) models using Kundur's four-machine two-area test system.

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Switched Reluctance Motor

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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Brushless DC Motor Fed by Six-Step Inverter

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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