Energy Storage Training Platform

★one.The experimental list should include but not limited to the following experimental contents: Matlab/Simulink Fundamentals of Software Simulation

1 Concept of Power Electronics Technology

2 Overview of Power Electronic Devices

3 TheMatlab and Simulink Introduction

4 ThePWM Basic principles and control methods of

5 ThePWM at Simulink The generation of

6 TheSPWM Basic principles and control methods of

7 TheSPWM at Simulink The generation of

Model based development（MBD）Introduction to semi physical simulation

1 Based on model development（MBD）Concept Introduction

2 Rapid prototyping controller（RCP）Introduction

3 TheRCP Controller and matlab Docking operationIntroduction to Energy Storage System

1 Introduction to Types and Characteristics of Lithium Batteries

2 Application and system composition of lithium batteries

3 Battery Management System（BMS）Introduction and Operation

4 Introduction and Setting of Battery Protection System

5 Energy storage system configuration planning, series parallel selectioncommunication-DC rectification charging experiment

1 Single phase full bridge PWM Offline simulation experiment of rectification charging

2 Semi physical control-Experimental study on constant current charging control of lithium batteries

3 Semi physical control-Lithium battery constant voltage charging control experiment

4 Semi physical control-Experimental study on constant power charging control of lithium batteriesDC-AC communication-DC inverter discharge experiment

1 Single phase full bridge PWM Offline simulation experiment of inverter discharge

2 Semi physical control-Experimental study on constant current discharge control of lithium batteries

3 Semi physical control-Experimental study on constant voltage discharge control of lithium batteries

4 Semi physical control-Experimental study on constant power discharge control of lithium batteriescomprehensive experiment

1 Experiment on islanding and loaded operation of lithium battery system

2 Experiment on automatic bidirectional flow of energy in energy storage system

3 Experiment on the Relationship between Load and Energy Storage System Changes under Island Operation

twoLithium iron phosphate battery pack:

Lithium iron phosphate batteries are composed of24 a 3.2v6AH Composed of lithium battery modules, consisting of 12 A battery is connected in series, 2 Group parallel connection. together 400Wh , DC voltage 36V.

1. The positive electrode of the battery is made of lithium iron phosphate material, which has good safety performance and long cycle life.

3.Single lithium battery module parameters:

（1）Rated capacity:3.2v6AH；

（2） Internal resistance:≤0.7mΩ;

（3）Standard charging and discharging current:0.5C/0.5C；

threeEnergy storage battery BMS Management system:

1.Detect bus voltage and bus current, Basic information such as battery level;

2.Analog measurement function: Real time measurement of battery module voltage, charging and discharging current, temperatureCalculate parameters such as the terminal voltage of individual cells and provide the battery module'sSOC Value;

3.Balance function: Ensure consistency of energy storage batteries,BMS Having a single internal battery moduleBalance between batteries;

4. Battery system operation alarm function; Overvoltage, undervoltage, and overcurrent occur during the operation of the battery systemWhen there are communication abnormalities, anomalies, and other conditions, an alarm message can be reported;

5. Battery system protection function: During the operation of the battery system, if the voltage and current of the battery,When an emergency situation exceeds the safety protection threshold, the fault can be cut off to protect the battery;

6.and PCS Communication interaction, the communication method is RS485；

7.Real time voltage display, equipped with 7 Inch industrial control touch screen, which can display the real-time status of each batteryVoltage, temperature acquisition and other parameters;

8.Electrical protection of battery pack: overvoltage protection, low-voltage protection, overcurrent protection, high temperature protectionProtection;

four Rapid prototyping controller:

1.support Simulink Automatic code generation and model-based programming,algorithm

Simulink The model can be directly simulated and downloaded to the rapid prototyping controller, making it easy to use

Matlab/Simulink The function of designing control algorithms and conducting real-time online simulation no longer requiresBy understanding the implementation and programming process of software and hardware, control design and debugging can be carried out.

2.The controller needs to use dual DSP+FPGA Dual core structure,DSP The core is responsible for algorithm computation, FPGA Responsible for hardware interfaces, with ultra fast computing speed and encapsulated underlying driversProceed with power electronics Research on complex algorithms such as motor drive.

3. High speed communication methods such as Ethernet need to be used, and the controller should 10k ofUnder controlled frequency,Ensure real-time transmission of all monitoring data and do not accept timed capture via serial portReceived communicationMethod.

4.Simulink Having this in place RCP The hardware packaging library of the controller can directly call and control a certain pin of the controller.

★5.Board resource parameters:

1）Real time controller:TI TMS320F28335+ALTERA Cyclone3 be FPGA(Can be implemented)now 20us simulation step size）；

2）PWM drive unit : External expansion 6 Group,12 Channel, configurable PWM Multiple working modes

3）AD Collection unit: Maximum external expansion 16 The road,16 Bit precision, highest sampling rate configuration200KPSP , input range+-10V

4）DA Output Unit: External Expansion 4 The road,16 Position accuracy, fastest establishment time 10us , loseOut of scope 0-2.5V5）Universal DIDO unit ：DI expansion 4 The road,TTL Level,DO expansion 4 The road,TTLVoltage level;

6）Synchronous communication unit : Along the way USBMouth, all the way 100MInternet access, all the way RS232/ RS485

fiveEnergy storage bidirectional inverter module:

In terms of hardware, a modular design is adopted, including control board, acquisition board, power board, capacitor board, etc. The shell is made of transparent acrylic sheet, which is beautiful and practical. Users canJust observeThe internal hardware structure. At the same time, the top cover can be opened for easy measurement of relevant signals.

2 Open Design: Provide users with hardware schematics, hardware design specifications, and software modelsBlocks are like underlying drivers.

3 Safe and stable: A sound protection mechanism has been designed, and the software includes overvoltage protection and undervoltage protectionPressure protection, overcurrent interruption protectionIGBT Overheating protection, communication protection, etcIn terms of hardwareThere is short-circuit protectionIGBT Overcurrent protection, etc.

5 Semi physical simulation: convenient and fast prototyping controllerNI ControllerRT-LAB controlEquipmentdSPACE Controller and other digital real-time simulators can be integrated to provide phase matchingThe number should be converted toConnect the board.

6.Collection and conditioning unit（1） Current collection:8 Channel, current Hall sensor, output as current type, passed throughAdjust the circuit to increase or follow in ADC Unit;

（2） Voltage acquisition:8 Channel, collected in the form of differential circuits, both AC and DC voltages can be regulated and collected;

（3）Temperature collection:PT100 Platinum resistance.

sixExperiment management and course training system

1. Will Simulink Combine the model with the hardware of the rapid prototyping controller and download it to the controllerDuring the execution of the controller in the manufacturing process, this software can Simulink In the modelVarious control quantities that you want to view are displayed intuitively, and you can also modify them at any timeControl parameters,Real time response of the controller enables true online simulation.

★ 2. Online simulation operation interface, using configuration mode, researchers can customize according to their own needsMy own needs,Can add controls freely, with real-time recording function, can fully record the overall system operationThe waveform data can be saved asmatand xls Format, waveform data can bethrough matlab Open and view the software directly.

3. The software has three types of settings, including communication IPSetting the quantity of board cards;PWM set up,Main instructions PWM The frequency value, dead zone value, effective action value, and encoder accuracy valueWait; Display interface settings, used for final data viewing and configuration. Display BoundaryNoodle bagIncluding remote control, remote adjustment, remote signaling, telemetry, oscilloscope controls.

4. The configuration software has remote control, remote adjustment, remote signaling, telemetry, and oscilloscope controls.

1) Remote control control, if DO Control sourceRCP If controlled by software, it can be controlled through this control DO Signal,OFF express DO Low output,ON express DO High output.

2) Remote control, this control is a floating point control, and users can modify it online at any timeItem value, passed to the simulator, this control is related to simulink In the library GetData Driver configurationCombined use.

3) Remote signaling control, capable of monitoring the external expansion of the simulation machineDISignal, when the light is on, it indicates

DIReceived as a high-level signal, indicating when the light is offDIReceived as a low-level signal.

4) The telemetry control allows you to view the data values uploaded by the simulation machine, which are slow data,Variables that do not require real-time observation can be displayed using this control. This control and simulinkIn the library Static Drivers are used in conjunction.

5) Oscilloscope control, through which real-time changing data can be viewed, and its transmission speedThe rate can be equal to the control frequency, and the data waveform can be viewed without missing any points. At the same time, this control can control the collection depth, making it easier for users to view the control effect of the simulation machine more clearly.This controlItem and simulink In the library Scope Drivers are used in conjunction.

★ 6) The experimental course software needs to integrate all experimental routines and run them uniformly in one softwareOkay, it can be opened with one click, automatically completing program download, simulation, and online data observation.

★ 7) The experimental course software needs to provide various support necessary for conducting experiments. Including but not limited toIn the experimental guidebook, explain relevant theoretical knowledge, automatically record various data during the experimental process, and export various types of data.

★ 8) SupportMatlabOperating environment andSimulinkExperimental simulation model, combined with experimental coursesCheng, can directly open the model with one click and automatically build itUIInterface, providing offline and online modesThe model can be directly validated through simulation experiments.

9) Database management system with waveform recording function, waveform data can be directly stored inmatlabOr open and view it in third-party software.

10）Theoretical learning of principles, experimental management system provides theoretical content and assistance for relevant experimentsTeaching videos can be managed by the teacher's machine, or students can be forced to check relevant theoretical content.

11）Each routine provides offline simulation models and physical control models, which students can import into the modelConduct experimental verification through virtual simulation and physical control.

12）Integrate all experimental routines, the system can automatically import the corresponding experimentsSimulink controlModel, no need to open other software.

13）Can import preset experimental control interface, integrate chapter based experimental instruction manual, in practiceOn the basis of verifying engineering documents, control operations shall be carried out according to experimental guidance.

★14）It can automatically save various data generated during the experimental process and support autonomous import controlOne click generation and programming of the model for rapid prototyping controller.

7、 Cabinet accessories:

1.Including isolated power frequency transformers and electrical isolation.

2.Equipped with power resistor load, load selectable gear, equipped with 7 Inch LCD touch screen, convenientConduct offline experiments.

3.The electrical topology is printed on the cabinet, and various input/output and testing interfaces are reserved. The interfaces use banana head sockets and connecting wires to improve safety.