Power Electronics Laboratory With Hardware In The Loop Assisted By Matlab And Simulink (DL PEL-HIL)
PL-960665
This training system empowers users to design and develop advanced control algorithms within MATLAB and Simulink environments, while also enabling them to test and validate these algorithms using a fully equipped hardware setup. It serves as a comprehensive solution for in-depth studies and the validation of academic research findings. It focuses on power converter topics such as DC choppers and inverters, along with electric drives for DC motor, permanent-magnet servo motor, and asynchronous motor. The integration of a complete measurement system with the powerful MATLAB and Simulink development environment allows users to design and implement sophisticated control algorithms effectively. With the integration of Hardware-In-the-Loop (HIL) technology, the users will utilize MATLAB and Simulink for model-based control algorithm design, simulation, and real-time testing as Rapid Control Prototyping (RCP), focusing on power converters control and motor drives. Its modular structure makes it easy to reconfigure the system to perform several experiments in various subjects and, in order to simulate various loading conditions for both DC and AC motors, we have introduced a brushless motor servo drive system that operates in both speed and torque control modes, supporting bidirectional rotation of brushless motor to facilitate four-quadrant operation for DC and AC motors. MATLAB and Simulink Note: Licenses are not included with the trainer and must be managed independently by the users
The system enables users to study and develop control strategies for power converters and electric drives.
They will be able to:
- Conduct hardware-in-the-loop testing in real-time,
- Model the complete system in offline simulation,
- Study Park and Clarke transformations in control design,
- Study space vector modulation to optimize control of IGBT-based inverters,
- Perform model-based design for control of DC choppers, inverters, DC motors, servo motors, and asynchronous motors in open-loop, single closed-loop, and cascade closed-loop configurations using a speed sensor,
- Convert control models in Simulink into discrete compiled code for real-time execution in the control system,
- Study and develop automatic current and speed controllers,
- Compare actual test results with offline simulations.
DEMO MODELS AND LIBARARY
Although we do not directly provide the development platform (MathWorks), we do offer for each experiment (see image below):
- a target demo model (control algorithm),
- a host demo model (interface for real-time debugging),
- and a library developed by DL, to be installed in Simulink, designed to facilitate further development by the user.
EXPERIMENTAL TOPICS
The users can cover the following topics:
- DC chopper,
- Inverter,
- DC Drives with Cascade Control,
- Variable-Speed Permanent-Magnet Servo Drives,
- Field-Oriented Control of Asynchronous Motors.
LABORATORY‘S MODULES
- DL RCPCORE: This is the rapid control prototyping core, a real-time controller designed to execute code generated from MATLAB and Simulink. It seamlessly connects Simulink users to real hardware implementations, minimizing effort and eliminating the need for C programming skills typically required for embedded systems. It is equipped with six channels for high-voltage and high-current measurements, functioning like six volt-ammeters. These channels support measurements of up to ±1000 V and ±25 A, featuring protective bushings and built-in galvanic isolation for enhanced safety and reliability. This simplifies closed-loop control, enabling users to seamlessly integrate it into their control algorithms without worrying about missing hardware setups for distributed measurements. It also features digital and analog inputs and outputs, allowing users to customize the hardware setup to suit their needs.
- DL 2106SPS-EXCT: This is a single-phase AC power supply for power converters and electric drives, featuring an integrated MCB (Miniature Circuit Breaker) and RCCB (Residual Current Circuit Breaker) for local protection. It also provides excitation voltage to the DC shunt motor DL 10200A1.
- DL 2106T06: Intrinsically, this is a frequency converter consisting of a single-phase controlled rectifier, a DC link with regenerative braking, and a three-phase inverter. Thanks to the independent drive of the inverter IGBTs, it can also be configured to create various converters, such as DC choppers and single-phase inverter.
It will be controlled by the DL RCPCORE, acting as the actuator for the control algorithm to supply a passive load DL 2106RLC or motor loads like DC shunt motor DL 10200A1, three-phase asynchronous motor DL 10115A1, and permanent-magnet motor MOTBRA1.3NM.
Technical features:
- Power: 200 W,
- Voltage: 220 V,
- Current: 1.2 A,
- Excitation: 150 V/0.06 A,
- Speed: 3000 rpm.
- DL 10115A1: This is a squirrel cage three-phase asynchronous motor, with armature windings suitable for delta or star connection, with thermal protection.
- Power: 370 W,
- Voltage: 230/400 V - Δ/Y,
- Current: 1.9/1.1 A - Δ/Y,
- Frequency: 50 Hz,
- CosØ: 0.7,
- Speed: 2870 rpm.
- MOTBRA1.3NM: This is a permanent-magnet servo brushless motor with an embedded encoder, used with the controller DL 2108T26-LP or with the frequency converter DL 2106T06.
- Nominal power: 400 W,
- Nominal torque: 1.3 Nm,
- Nominal speed: 3000 rpm.
- DL 2108T26-LP: This is the application-level controller module for the brushless motor MOTBRA1.3NM, enabling the operation of a servo motor in a generator application or in the braking of the motor.
- Motor speed setpoint,
- Torque setpoint with torque limiting Led,
- Torque analog output: 0…10V,
- T/S (Torque/Speed) reaching Led,
- Rated power: 300 W,
- Rated speed: 3000 rpm,
- Ports: 1 USB and 2 RS485,
- 5 pins connector: for speed reading.
- DL 2108T26BR: This is the external brake resistor for the DL 2108T26-LP, used during regeneration to protect its internal DC link.
- DL 9026N: Advanced module used in three-phase systems laboratories to visualize and measure waveforms.
- Selectable AC single-phase to measure V, I, P, Q, and S,
- An embedded data acquisition board, with a full-speed USB interface, to observe the voltage and current waveforms of the three-phases simultaneously with isolated input, and with RS485 communnication port,
- Complete with data acquisition SW developed in Labview for waveforms visualization. It shows the most importand electrical parameters (RMS for voltage and current for all phases, single and total, P, Q, S, and power factor) and performs the FFT transformation to show the voltage and current spectrum.
- DL PCGRID; PC All-in-One.
- Display: 21.5", Full HD,
- Resolution: 1920 x 1080 Pixel,
- Processor: Intel® Core™ i3, 1,2 GHz ,
- RAM: 8 GB,
- SSD: 256 GB,
- OS: Windows 11.
- DL T12090_SK; Workbench with melamine flatbed. Two holes are present on the flatbed to allow the assembly of a three level frame DL A120-3M.
- Dimensions (HxLxW): 80x120x90 cm,
- With locking wheels,
- Supplied with 15 sockets protected by a thermal magnetic circuit breaker.
- DL T06090; Multifunctional bench used in laboratories as support for modules and electrical machines.
- Dimensions (HxLxW): 80x60x90 cm,
- With locking wheels.
- DL A120-3M; Frame with 3 levels, basic version, for assembling the modules of the laboratory. To be fixed on the workbench DL T12090_SK.
- DL SP-A120-LED; Base with LED strip, to be fixed on the upper side of the frame DL A120-3M.
- TLRCP; Set of wiring cables of different diameters and lengths.
- DL 1196; A sturdy structure used to store and organize the various connection cables in the laboratory, with wheels.
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