Crear y simular redes de sistemas de potencia electrónicos, mecatrónicos y eléctricos
Aprenda técnicas esenciales de modelado y simulación, por ejemplo:
Conmutar entre puertos trifásicos compuestos y expandidos
Conmutar entre señal física y puertos eléctricos
Simular efectos térmicos con puertos térmicos
Temas
- Essential Electrical Modeling Techniques
Apply Simscape™ modeling rules when you build electronic, mechatronic, and electrical power system networks using Simscape Electrical™.
- Three-Phase Ports
Connect three-phase blocks using composite ports for three-phase lines or expanded ports for single-phase lines.
- Switch Between Physical Signal and Electrical Ports
Switch between a physical signal port and an electrical conserving port on a Simscape Electrical block.
- Selecting the Output Model for Logic Blocks
Explore the two output models available for logic blocks.
- Simulating an Electronic, Mechatronic, or Electrical Power System
Explore best practices and techniques for simulating Simscape Electrical models.
- Simulating Thermal Effects in Semiconductors
Simulate generated heat and device temperature by using the thermal ports.
- Simulating Thermal Effects in Rotational and Translational Actuators
Simulate generated heat and device temperature by using the thermal ports.
- Photovoltaic Thermal (PV/T) Hybrid Solar Panel
Model a multi-domain power cogeneration system using Simscape, Simscape Electrical, and Simscape Fluids™.
- Build and Simulate a Single-Phase Half-Bridge Inverter with Ideal Switches
Build a Simscape Electrical model of a single-phase half-bridge inverter with ideal switches, run the model, and examine the results.
- Build and Simulate Single-Phase Half-Bridge Inverter with Ideal Switches and Thermal Port
Build a Simscape Electrical model of a single-phase half-bridge inverter with ideal switches and a thermal port, run the model, and examine the results.
Información relacionada
Ejemplos destacados
Controlar motores de CC con fuente de tensión PWM y controlador de puente en H
Este ejemplo muestra cómo controlar un motor de CC utilizando los bloques Controlled PWM Voltage y H-Bridge. El bloque DC Motor proporciona una potencia mecánica de 10 W a 2.500 rpm y gira a una velocidad sin carga de 4.000 rpm cuando la tensión de alimentación de CC es 12 V. En consecuencia, si establece la tensión de referencia PWM en su valor máximo de 5 V, el motor funciona a 4.000 rpm. Si establece la tensión de referencia PWM en 2,5 V, el motor funciona a aproximadamente 2.000 rpm. Para lograr una simulación rápida, este ejemplo establece el parámetro Simulation mode de los bloques Controlled PWM Voltage y H-Bridge en Averaged. Para validar el comportamiento promediado, establezca el parámetro Simulation mode en PWM en los bloques Controlled PWM Voltage y H-Bridge.
Model Triangle Wave Generator Using Operational Amplifiers
Model a triangle wave generator circuit by using two Band-Limited Op-Amp blocks. The first stage of the circuit represents a comparator constructed from an op-amp. Two Diode blocks model the Zener diodes that limit the output of the comparator to plus or minus 5 V. These limits result in a square wave.
Filtro analógico antialiasing
Este ejemplo muestra la implementación analógica de un filtro antialiasing para utilizarlo con un convertidor de A a D. La frecuencia de corte del filtro está establecida en 500 Hz para que coincida con la frecuencia de muestreo de 1 kHz del convertidor de A a D. La señal de prueba incorpora una sinusoide de 50 Hz deseada y un componente de mayor frecuencia a 1.100 Hz que no puede capturarse con una frecuencia de muestreo de A a D de 1 kHz. El scope muestra la señal capturada sin y con antialiasing. Con el filtro antialising, la amplitud de la onda sinusoidal de 50 Hz se mide correctamente con una amplitud de 1 y una potencia correspondiente de 0,5 W, es decir, 27 dBm para una carga de referencia de 1 ohmio.
Circuito PWM con un temporizador 555
Este ejemplo muestra una salida de modulación por ancho de pulso (PWM) implementada con un temporizador 555 en un modo astable. El ciclo de trabajo está establecido por un potenciómetro, P1. El potenciómetro se controla durante el tiempo de ejecución por medio de Duty Cycle Control Knob. El scope muestra la salida resultante del temporizador 555. Para finalizar la simulación, haga clic en el botón Stop.
Use of Peltier Device as Thermoelectric Cooler
A Peltier device working in cooling mode with a hot side temperature of 50 degC. In cooling mode, the Coefficient of Performance (COP) of the Peltier cell is equal to the total heat transferred through the Thermoelectric cooler (TEC) divided by the electric input power, COP = Qc/Pin.
Electric Power Assisted Steering
Use a Permanent Magnet Synchronous Motor (PMSM) to amplify driver-applied force in a power-assisted automobile steering system.
Quantifying IGBT Thermal Losses
The generation of a temperature profile based on switching and conduction losses in an insulated-gate bipolar transistor (IGBT). There are two buck converters. For one converter, the IGBT attaches to a Foster thermal model. For the other converter, the IGBT attaches to a Cauer thermal model. The parameters for the thermal models are tuned to give roughly equivalent results. At a simulation time of 50ms, the driving frequency changes from 40kHz to 20kHz, which increases the conduction losses and decreases the switching losses. The change in the losses results in a corresponding change in the temperature of the IGBT.
Control de tensión del convertidor Buck
Este ejemplo muestra cómo controlar la tensión de salida de un convertidor Buck. Para ajustar el ciclo de trabajo, el subsistema Control utiliza un algoritmo de control basado en PI. La tensión de entrada se considera constante a lo largo de la simulación. Una resistencia variable proporciona la carga para el sistema. El tiempo total de la simulación (t) es 0,25 segundos. En el instante t= 0,15 segundos, la carga cambia.
Sistema de celdas de combustible
Este ejemplo muestra un sistema de celdas de combustible que funciona en condiciones estequiométricas y con parámetros nominales. La energía suministrada varía como una función de la presión del hidrógeno.
Comparison of Three-Phase Port Types
A comparison of Composite three-phase ports versus Expanded three-phase ports. The first circuit shows a Voltage Source configured with a Composite three-phase port. A Phase Splitter block provides the interface to the Simscape™ foundation library electrical elements. The second circuit shows a Voltage Source configured with an Expanded three-phase port which can connect directly to the Simscape foundation library electrical elements. The Voltage Source can be changed from Composite to Expanded three-phase ports by use of the Modeling option mask parameter.
Three-Phase Two-Level PWM Generator
Use the PWM Generator (Three-phase, Two-level) to control a Converter. The inputs to the PWM Generator are reference AC waveforms and a DC-link voltage of 400 V. There is one time scope for the controller waveforms.
Three-Phase Three-Level PWM Generator
Use the PWM Generator (Three-phase, Three-level) to control a Three-Level Converter. The upper and lower supply voltages are input to a Neutral point controller, which balances the DC-link capacitor voltages. Reference AC waveforms are used as inputs to the PWM Generator. There is one time scope for the controller waveforms.
Custom Solenoid with Magnetic Hysteresis
A limited travel solenoid with return spring. Magnetic hysteresis is modeled using the Reluctance with Hysteresis library block.
Average-Value Chopper Control
Control a four-quadrant chopper. The Control subsystem implements a simple PI-based control algorithm for controlling the output current. An average-value Chopper model is used to speed up the simulation. The simulation uses both positive and negative references. The total simulation time (t) is 1 s. At t = 0.5 s, the polarity of the load DC source E changes.
Energy Scavenger
How the performance of a rotational energy scavenger can be explored using a simple representative model. Electrical energy is produced from an off-center mass attached to the shaft of a DC motor. The mass, geometry, motor and electrical parameters must be matched to the expected mechanical excitation. The generated electrical power is less than the extracted mechanical power primarily due to motor winding losses and viscous damping for the rotor. This example is based on Nunna, K. "Constructive interconnection and damping assignment passivity-based control with applications", Imperial College London (2014). The model here is simplified in that the DC-DC converter is omitted.
