1. School of Physics and Electronics Henan University Kaifeng China
2. School of Automation Science and Electrical Engineering Beihang University Beijing China
3. Pneumatic and Thermodynamic Energy Storage and Supply Beijing Key Laboratory Beijing China
4. General Institute of Science and Technology of National Petroleum and Natural Gas Pipeline Network Group Co., Ltd Langfang Hebei China
5. State Power Investment Corporation Research Institute Co., Ltd Beijing China