1. School of Electric power, South China University of Technology, Guangzhou, China
2. Guangdong Province Key Laboratory of High Efficient and Clean Energy Utilization, South China University of Technology, Guangzhou, China
3. Guangdong Province Engineering Research Center of High Efficient and Low Pollution Energy Conversion, Guangzhou, China
4. Shenzhen Engineering Research Centre for Gas Distribution and Efficient Utilization, Shenzhen Gas Corporation Ltd, Shenzhen, China