# Title Team Members TA Documents Sponsor
19 Smart Power Routing with MPPT-Based Wind Turbine
Rong Li
Tiantian Zhong
Zhekai Zheng
Lin Qiu
## Problem Statement

Traditional wind energy systems often face challenges related to suboptimal power extraction, limited adaptability, and inadequate integration with smart grids. Conventional wind power systems usually requires a giant turbine which produces power for the grid. Yet a new trend arises in recent years where a small wind power system is installed on a fisher or on the roof of a villa. Such scenario requires a stable power converter and router to ensure stable power supply, which not only allows the user to use cheap and clean wind energy, but is also able to switch to battery or mains when wind force is too light to drive the turbine or when the turbine is in fault.

## Solution Overview and Components

The proposed solution involves the development and implementation of the system integrated with a MPPT-based wind turbine. This comprehensive solution aims to address the inefficiencies and limitations of traditional wind energy systems by incorporating advanced technologies for optimal power extraction, intelligent management, and seamless integration with smart grids.

Some key components of the solution are as follows:

1. **Wind turbines.** The project plans to use a three-phase asynchronous motor to build a down-scaled wind turbine. The turbine should produce no more than 30 V AC output under normal weather condition with wind speed less than 8 m/s (force 4). (Similar turbine with suitable size (diameter = 1.1 m) for the project appears on Taobao, which has rated output voltage 12 V, maximum power ranges from several hundred watts to kilowatts, and can work safely within wind speed 35 m/s (wind force 6). Link to the turbine)
2. **MMC-Based AC-DC converter.** This unit is expected to provide stable DC output for users. Its controller consists of MCUs and voltage sensors. The converter should be designed using MMC technology and should be able to implement Maximum Power Point Tracking (MPPT).
3. **User interface.** This unit displays real-time current, voltage and power of the system.
4. **Simulated mains.** This is a low-voltage (<30 V) power supply that simulates the mains. It is apparently down-scaled for safety considerations.
5. **Routing system.** This unit should be able to decide which power should be connected to the load, the turbine or the simulated mains.
6. **Safety.** An emergency stop button should be connected to the circuit in order to cut off all power sources and stop the turbine whenever an emergency happens. Control units should be able to cut the power when the system is overload or in fault status. The solution should fit in relevant national or industrial standards.

## Criterion for Success

The design will be tested using various common loads that is used at home. The following criterion should be satisfied to indicate a successful design:

1. **Safety is the first priority**. All safety measures should be working properly.
2. The controller should be able to keep the converter working at the maximum power point.
3. The MMC converter should be able to provide stable output with current and voltage ripple less than $\pm10\%$​​.
4. The controller should switch between power supplies within a short period of time (specific time limit needs to be determined after further research on relevant national standards and other technical documents).

## Distribution of Work

The project can be divided into three modules – the power system, the control system, and the mechanical system.

- The power system deals with everything related to power transmission, include the design of generators and converters.
- The control system provides control signals to the converter, properly routes power to the load, and provide safety measures.
- The mechanical design should put every hardware components organized to form a ready-to-use product, and print necessary instructions and warnings at proper places.

The following is the detailed task division:

- Power system and circuit design: Rong Li & Zhekai Zheng
- Control system and circuit design: Tiantian Zhong & Rong Li
- Mechanical design and manufacturing: Zhekai Zheng
- Purchasing, finance, and other miscellaneous affairs: Tiantian Zhong

Cypress Robot Kit

Featured Project

Cypress is looking to develop a robotic kit with the purpose of interesting the maker community in the PSOC and its potential. We will be developing a shield that will attach to a PSoC board that will interface to our motors and sensors. To make the shield, we will design our own PCB that will mount on the PSoC directly. The end product will be a remote controlled rover-like robot (through bluetooth) with sensors to achieve line following and obstacle avoidance.

The modules that we will implement:

- Motor Control: H-bridge and PWM control

- Bluetooth Control: Serial communication with PSoC BLE Module, and phone application

- Line Following System: IR sensors

- Obstacle Avoidance System: Ultrasonic sensor

Cypress wishes to use as many off-the-shelf products as possible in order to achieve a “kit-able” design for hobbyists. Building the robot will be a plug-and-play experience so that users can focus on exploring the capabilities of the PSoC.

Our robot will offer three modes which can be toggled through the app: a line following mode, an obstacle-avoiding mode, and a manual-control mode. In the manual-control mode, one will be able to control the motors with the app. In autonomous modes, the robot will be controlled based off of the input from the sensors.