Simulation and Analysis

Simulation performance and analysis tools and techniques

Blocks

Powergui	Environment block for Simscape Electrical Specialized Power Systems models
Load Flow Bus	Identify and parameterize load flow bus

Functions

`power_analyze`	Analyze electric circuit
`power_customize`	Prepare a Simscape Electrical Specialized Power Systems block for customization
`power_init`	Set initial state values of model built with Simscape Electrical Specialized Power Systems software
`power_initstates`	Compute and modify initial values of voltages and currents of model
`power_loadflow`	Perform positive-sequence load flow or unbalanced load flow. Initialize models containing three-phase machines and dynamic load blocks
`power_report`	Generate report of steady state variables, initial states, and machine load flow for model
`power_statespace`	Compute state-space model of linear electrical circuit
`power_steadystate`	Compute steady-state values of voltages and currents of model

Topics

Simulating Transients

Create an electrical subsystem, simulate transients, and discretize simple circuits.

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.

Change Circuit Parameters

Modify Simscape™ Electrical™ Specialized Power Systems block parameters and automate simulation using MATLAB^® scripts.

How Simscape Electrical Specialized Power Systems Software Works

Learn how Simscape Electrical Specialized Power Systems initializes and runs your models.

Choosing an Integration Method

Explore the advantages and disadvantages for continuous, discrete, and phasor simulation of power system models.

Simulating with Continuous Integration Algorithms

Learn about methods for continuous simulation of switches and power electronic devices.

Simulating Discretized Electrical Systems

Learn about methods for discrete simulation of switches and power electronic devices.

Introducing the Phasor Simulation Method

Use the phasor method to analyze magnitudes and phases in linear circuits.

Increasing Simulation Speed

Optimize simulation speed by discretizing your model or by using Simulink^® Accelerator mode.

Featured Examples

Performance of Frequency Measurement (Phasor)

The use of two Frequency (Phasor) blocks to measure the frequency variation in a network following a line outage.

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PMU (PLL-based, Positive-Sequence) Kundur's Two-Area System

The use of the PMU (PLL-Based, Positive-Sequence) block within the Kundur's Two-Area System.

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PMU (PLL-based, Positive-Sequence) Benchmark

The use of a phasor measurement unit - PMU (PLL-based, Positive-Sequence) in a benchmark circuit.

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IEEE 13 Node Test Feeder

The use of the Load Flow tool of Powergui to initialize the IEEE 13 Node Test Feeder circuit.

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Flickermeter Statistical Analysis Module

A method to compute short-term flicker severity of a phase-to-ground voltage taken from one feeder of a given remote community.

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Power Flow Control and Line Deicing Using a Bundle-Controlled Line Impedance Modulator (LIM)

How power flow control and deicing of a transmission line could be implemented using the Line Impedance Modulator (LIM) technology.

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Initializing a 29-Bus, 7-Power Plant Network With the Load Flow Tool of Powergui

The use of the Load Flow tool of Powergui to initialize a 29-bus 735 kV network with detailed modeling of power plants using hydraulic turbines, speed regulation, excitation systems and power system stabilizers.

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Initializing a 5-Bus Network with the Load Flow Tool of Powergui

The use of the Load Flow tool of Powergui to initialize a simple 5-bus network consisting of a wind farm connected to a 25-kV distribution feeder and exporting power to a 120 kV network.

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