Under the background of the new era,higher requirements are put forward for colleges and universities to carry out teaching reform.Teachers of electrical automation control courses should update their teaching ideas r...Under the background of the new era,higher requirements are put forward for colleges and universities to carry out teaching reform.Teachers of electrical automation control courses should update their teaching ideas regularly,innovate teaching methods,and take novel and effective measures to carry out related work.Because electrical automation control courses tend to be technology-oriented,teachers can help students consolidate basic knowledge.They should also focus on developing practical skills so students can easily adapt to future job positions.However,there are many problems in the actual teaching process,which hampers the improvement of the teaching quality to a certain extent.In view of this,this paper presents an in-depth exploration based on theories and practical experiences.It starts with an analysis of the current teaching status of electrical automation control courses in colleges and universities,followed by suggestions to improve them based on their characteristics and students’needs.展开更多
With the shortages of resources,environmental pollution,climate change,and other issues becoming more and more serious,it is extremely urgent to vigorously develop new energy vehicles.As the cost of batteries decrease...With the shortages of resources,environmental pollution,climate change,and other issues becoming more and more serious,it is extremely urgent to vigorously develop new energy vehicles.As the cost of batteries decrease year by year,the production and quantity of sales of electric vehicles(EVs)in the world,especially in China,increased substantially.In order to make vehicles to grid(V2G)technology better developed and applied in China.The brief introduction to V2G is given at first.Then the development status and specific cases of V2G at home and abroad are summarized.Finally,the problems that V2G may encounter during promotion and application in China are analyzed.Based on the development of the United States and Japan,specific policy recommendations are given in line with the basic national conditions of China.展开更多
Due to pressures from both energy and environment,electric vehicles(EVs)and their related technologies have experienced considerable achievements in China in recent years.This paper firstly presents the EV development...Due to pressures from both energy and environment,electric vehicles(EVs)and their related technologies have experienced considerable achievements in China in recent years.This paper firstly presents the EV development status in China with key statistics including EV market status,mainstream technical indicators,charging infrastructure,and key components(battery,motor drive systems).Then,the developmental driving forces of EVs in China are reviewed and analyzed with an emphasis on government policies such as subsidy rules,research investment,and standards.Finally,the development trend of EVs in China is prospected from aspects of industry,technology and policy,opportunities and challenges,with an expectation that more attention from academia,industry and government will be attracted into the area of EVs.展开更多
China has become a major investor and constructor of electrical power plants in developing countries.However,the impacts of China's overseas power stations(COPSs)on the developing countries hosting them are poorly...China has become a major investor and constructor of electrical power plants in developing countries.However,the impacts of China's overseas power stations(COPSs)on the developing countries hosting them are poorly understood.Here,a novel method is proposed to evaluate the influence of COPSs in 80 host countries.First,their electricity consumption from 1971 to 2017 was estimated using data provided by the World Bank,International Energy Agency,and World Resources Institute.Regression analysis was then used to predict consumption from 2018 to 2025.Finally,three parameters were used to evaluate the influences of COPSs.The results show that:1)COPSs significantly increased the total installed capacity of 35 of the host countries by>20%.2)The power generated by COPSs is greater than the growing demands of 32 of the host countries.3)COPSs will increase the per capita electricity consumption of all 80 host countries.4)Among the 437 COPSs existing in 2000–2019,renewable power plants(including hydropower)were most numerous,accounting for 51.3%.This proportion increased significantly after 2013 and renewable plants will continue to dominate as China will no longer invest in new coal-fired power stations after 2021.展开更多
文摘Under the background of the new era,higher requirements are put forward for colleges and universities to carry out teaching reform.Teachers of electrical automation control courses should update their teaching ideas regularly,innovate teaching methods,and take novel and effective measures to carry out related work.Because electrical automation control courses tend to be technology-oriented,teachers can help students consolidate basic knowledge.They should also focus on developing practical skills so students can easily adapt to future job positions.However,there are many problems in the actual teaching process,which hampers the improvement of the teaching quality to a certain extent.In view of this,this paper presents an in-depth exploration based on theories and practical experiences.It starts with an analysis of the current teaching status of electrical automation control courses in colleges and universities,followed by suggestions to improve them based on their characteristics and students’needs.
基金Natural Science Foundation of Shanghai,China(No.17ZR1411200)Shanghai International Automobile City(Group)Co.,Ltd.,China,(No.H2017-032)
文摘With the shortages of resources,environmental pollution,climate change,and other issues becoming more and more serious,it is extremely urgent to vigorously develop new energy vehicles.As the cost of batteries decrease year by year,the production and quantity of sales of electric vehicles(EVs)in the world,especially in China,increased substantially.In order to make vehicles to grid(V2G)technology better developed and applied in China.The brief introduction to V2G is given at first.Then the development status and specific cases of V2G at home and abroad are summarized.Finally,the problems that V2G may encounter during promotion and application in China are analyzed.Based on the development of the United States and Japan,specific policy recommendations are given in line with the basic national conditions of China.
基金Supported by the“973 Program”under Grant 2013CB035603the Achievement Transformation Fund Project of Jiangsu Province under Grant BA2016092.
文摘Due to pressures from both energy and environment,electric vehicles(EVs)and their related technologies have experienced considerable achievements in China in recent years.This paper firstly presents the EV development status in China with key statistics including EV market status,mainstream technical indicators,charging infrastructure,and key components(battery,motor drive systems).Then,the developmental driving forces of EVs in China are reviewed and analyzed with an emphasis on government policies such as subsidy rules,research investment,and standards.Finally,the development trend of EVs in China is prospected from aspects of industry,technology and policy,opportunities and challenges,with an expectation that more attention from academia,industry and government will be attracted into the area of EVs.
基金supported by the[Strategic Priority Research Program of the Chinese Academy of Sciences]under Grant[number XDA19030304].
文摘China has become a major investor and constructor of electrical power plants in developing countries.However,the impacts of China's overseas power stations(COPSs)on the developing countries hosting them are poorly understood.Here,a novel method is proposed to evaluate the influence of COPSs in 80 host countries.First,their electricity consumption from 1971 to 2017 was estimated using data provided by the World Bank,International Energy Agency,and World Resources Institute.Regression analysis was then used to predict consumption from 2018 to 2025.Finally,three parameters were used to evaluate the influences of COPSs.The results show that:1)COPSs significantly increased the total installed capacity of 35 of the host countries by>20%.2)The power generated by COPSs is greater than the growing demands of 32 of the host countries.3)COPSs will increase the per capita electricity consumption of all 80 host countries.4)Among the 437 COPSs existing in 2000–2019,renewable power plants(including hydropower)were most numerous,accounting for 51.3%.This proportion increased significantly after 2013 and renewable plants will continue to dominate as China will no longer invest in new coal-fired power stations after 2021.
