How to Use Universal Bridge in MATLAB Simulink | Rectifier and Inverter Simulation

How to Use Universal Bridge in MATLAB Simulink | Rectifier and Inverter Simulation
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We explain how to use the Universal Bridge block in Simscape Electrical Specialized Power Systems. The Universal Bridge is an important power electronics block used for different converter applications such as AC to DC rectifier, DC to AC inverter, single-phase converter, and three-phase converter.

In this video, we demonstrate how to locate the Universal Bridge block from the Simulink Library Browser and configure it based on the required application. The number of bridge arms is selected according to the circuit requirement, such as one bridge arm, two bridge arms, or three bridge arms. The power electronic device can also be selected based on the application, including diode, thyristor, MOSFET, IGBT, and other switching devices.

First, the Universal Bridge is configured as a three-phase diode rectifier using a three-phase AC voltage source and resistive load. The input voltage, input current, output voltage, and output current waveforms are measured using voltage and current measurement blocks. Then, the same Universal Bridge block is configured as a single-phase diode rectifier by changing the number of bridge arms and using a single-phase AC voltage source.

Finally, the Universal Bridge is configured as a single-phase inverter using an IGBT/diode device, DC voltage source, and PWM generator. The simulation output shows how DC voltage is converted into AC square wave output voltage. This tutorial helps beginners understand the basic configuration and applications of the Universal Bridge block in MATLAB Simulink.

Simulation Parameters Used in the Model:

Software: MATLAB Simulink 2022b
Library: Simscape Electrical / Specialized Power Systems
Block Used: Universal Bridge
Simulation Time: 0.1 seconds
Solver Step Size: 1e-5
Required Block: Powergui

Three-Phase Diode Rectifier Parameters:
Universal Bridge Arms: 3
Power Electronic Device: Diode
Input Source: Three-phase programmable voltage source
Load Type: Resistive load
RMS Voltage: 160 V
Active Power: 1000 W
Inductive Reactance: 0
Capacitive Reactance: 0
Measured Signals: Input voltage, input current, output voltage, output current

Single-Phase Diode Rectifier Parameters:
Universal Bridge Arms: 2
Power Electronic Device: Diode
Input Source: Single-phase AC voltage source
Load Type: Resistive load
Measured Signals: Input voltage, input current, output voltage, output current

Single-Phase Inverter Parameters:
Universal Bridge Arms: 2
Power Electronic Device: IGBT/Diode
Input Source: DC voltage source
Pulse Generation: Two-level PWM generator
Output: Single-phase AC square wave
Measured Signals: DC input voltage, inverter output voltage, output current

Key Points

How to find the Universal Bridge block in MATLAB Simulink.
Basic use of Universal Bridge in power electronics circuits.
Configuration of bridge arms for single-phase and three-phase systems.
Selection of power electronic devices such as diode, thyristor, MOSFET, and IGBT.
Simulation of a three-phase diode rectifier.
Simulation of a single-phase diode rectifier.
Simulation of a single-phase inverter using PWM pulses.
Measurement of input and output voltage and current waveforms.
Importance of Powergui block in Specialized Power Systems simulation.
Effect of reducing step size for smoother waveform results.
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Видео How to Use Universal Bridge in MATLAB Simulink | Rectifier and Inverter Simulation канала LMS Solution