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Power Electronics laboratory

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Power Electronics
Laboratory

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DC Converter Analysis Setup

The DC-DC Converter Analysis Setup is a comprehensive laboratory tool designed for in-depth performance analysis of a range of DC-DC converters, including buck, boost, buck/boost, isolated forward, isolated flyback, and interleaved boost converters. This equipment integrates a Digital Signal Processor (DSP) controller for precise Pulse Width Modulation (PWM) control, along with adjustable components such as variable resistors, inductors, and capacitors. The setup is mounted on flexible power circuit boards, for customizable configurations with different converter topologies.
Enables precise control of PWM signals for voltage regulation and converter operation.
Allows dynamic adjustment of load conditions to assess converter performance under different scenarios.
Provides the ability to modify inductance, influencing energy storage and ripple characteristics.
Enables changes to capacitance, affecting filtering and transient response.
Simulates real-world applications for practical performance testing.
Allows users to build and reconfigure various DC-DC converter topologies easily.

Objectives:

Users can investigate how varying the PWM duty cycle affects the output voltage in both buck and boost configurations. This analysis helps understand voltage regulation in different applications.
setup allows users to explore the operational characteristics of converters in CCM and DCM. By adjusting load conditions and component values, users can observe how each mode impacts efficiency, ripple voltage, and performance.
Users can evaluate the system’s behavior in both open-loop (without feedback) and closed-loop (with feedback control) configurations. This includes assessing system stability, transient responses, and the effectiveness of different control algorithms in maintaining output voltage.

Features:

Integrated sensors continuously measure voltage and current, parameters, providing users with instant feedback on system performance.
The DSP controller features an intuitive interface for easy adjustments of PWM settings and monitoring of system responses.
This feature allows users to visualize voltage and current waveforms, providing insights into converter operation during various conditions and modes.
The flexibility of the circuit boards enables users to experiment with multiple converter topologies and easily modify circuit components for different learning objectives.
By utilizing this DC-DC converter analysis setup, users will gain a comprehensive understanding of power electronics, enhancing their skills in converter design, performance evaluation, and control strategies essential for modern energy systems

Objectives:

Users can investigate how varying the PWM duty cycle affects the output voltage in both buck and boost configurations. This analysis helps understand voltage regulation in different applications.
setup allows users to explore the operational characteristics of converters in CCM and DCM. By adjusting load conditions and component values, users can observe how each mode impacts efficiency, ripple voltage, and performance.
Users can evaluate the system’s behavior in both open-loop (without feedback) and closed-loop (with feedback control) configurations. This includes assessing system stability, transient responses, and the effectiveness of different control algorithms in maintaining output voltage.

Features:

Integrated sensors continuously measure voltage and current, parameters, providing users with instant feedback on system performance.
The DSP controller features an intuitive interface for easy adjustments of PWM settings and monitoring of system responses.
This feature allows users to visualize voltage and current waveforms, providing insights into converter operation during various conditions and modes.
The flexibility of the circuit boards enables users to experiment with multiple converter topologies and easily modify circuit components for different learning objectives.

This equipment is ideal for educational and research purposes in power electronics, making it suitable for:

  • students to provide hands-on experience in designing and analyzing various DC-DC converters, reinforcing theoretical concepts learned in the classroom.
  • Research and Development: Facilitates advanced studies in power conversion technologies, helping researchers explore new designs and efficiency optimization techniques.
  • Industry: Relevant for applications in renewable energy systems, electric vehicles, and advanced power management solutions, enabling engineers to simulate and optimize converter performance in real-world scenarios.

By utilizing this DC-DC converter analysis setup, users will gain a comprehensive understanding of power electronics, enhancing their skills in converter design, performance evaluation, and control strategies essential for modern energy systems

Objectives:

Users can investigate how varying the PWM duty cycle affects the output voltage in both buck and boost configurations. This analysis helps understand voltage regulation in different applications.

The setup allows users to explore the operational characteristics of converters in CCM and DCM. By adjusting load conditions and component values, users can observe how each mode impacts efficiency, ripple voltage, and performance.

Users can evaluate the system’s behavior in both open-loop (without feedback) and closed-loop (with feedback control) configurations. This includes assessing system stability, transient responses, and the effectiveness of different control algorithms in maintaining output voltage.

Features:

Integrated sensors continuously measure voltage and current, parameters, providing users with instant feedback on system performance.

The DSP controller features an intuitive interface for easy adjustments of PWM settings and monitoring of system responses.

This feature allows users to visualize voltage and current waveforms, providing insights into converter operation during various conditions and modes.

The flexibility of the circuit boards enables users to experiment with multiple converter topologies and easily modify circuit components for different learning objectives.

Three-Phase DC-AC Inverter

The Three-Phase DC-AC Inverter Setup is designed for practical exploration of three-phase inverter operation. It includes a Digital Signal Processor (DSP) controller for Pulse Width Modulation (PWM), along with a rheostat load, variable inductor load, and a variac for comprehensive testing and analysis.
Generates PWM signals for controlling inverter operation, focusing on Sinusoidal PWM (SPWM) techniques.
Adjustable resistive load for testing inverter output under varying conditions.
Simulates inductive loads, enabling analysis of inverter performance with reactive components.
Allows adjustment of input DC voltage, providing flexibility in testing different operational scenarios.
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Objectives:

Learn the principles of converting DC to AC power.
Study how SPWM affects output waveforms.
Investigate how the modulation index impacts output voltage, harmonics, and overall performance.

Features:

Continuous measurement of output voltage, current, and power.
Easy configuration of PWM settings and load conditions.
Visualize output waveforms for detailed analysis.
Ideal for educational and research purposes in power electronics, this setup enhances understanding of inverter operation and modulation techniques, crucial for renewable energy systems and electric vehicle applications.
Ideal for educational and research purposes in power electronics, this setup enhances understanding of inverter operation and modulation techniques, crucial for renewable energy systems and electric vehicle applications.

Address

ED 304, Department of Engineering Design,
IIT Madras

Phone

044 2257 5617

Mail

lead.emobility@coezet.iitm.ac.in