Preface

At present, the global shortage of resources and environmental problems have become increasingly prominent. Energy and environmental problems have become the main bottleneck restricting economic development. The development and utilization of new energy can well alleviate this problem. Among them, the technology of power generation using new energy has been widely valued.
      As a cleaner energy, renewable energy plays an increasingly important role in the diversified development of energy supply. According to the International Energy Agency (IEA), the proportion of renewable energy in the global energy consumption structure will increase to 42% by 2021, and the proportion of renewable energy power generation in electric energy will reach 28% and by 2035, renewable energy power generation (including hydropower) will account for 50% of the global power generation growth, and its share in the total global power generation will increase to 31%, thus becoming the most important fuel in the power industry. According to the recommendation of IEA, renewable energy can be divided into three categories: the first is large-scale hydropower station, the second is biomass energy, and the third is new renewable energy, namely new energy, including solar energy, wind energy, small hydropower and ocean energy. In addition, except for solar energy, wind energy, small hydropower, ocean energy and other primary energy, new energy usually includes fuel cells and other secondary energy.
       As an effective measure to solve environmental problems, new energy power generation technology has the characteristics of high efficiency and fast rate, and has become the resource development technology advocated by the relevant national departments. Therefore, in the practical application process, it is necessary to widely use new energy power generation technology, improve the utilization rate of energy, reduce energy pollution, protect the natural environment, so as to better promote the harmonious development of man and nature.

前 言

当前，全球资源紧缺与环境问题日益突出，能源和环境问题成了制约经济发展的主要瓶颈，新能源的开发和利用可以很好地缓解这一问题，其中利用新能源发电的技术受到广泛的重视。
      可再生能源作为一种更加清洁的能源，在能源供应多元化发展中扮演着越来越重要的角色，根据国际能源署（International Energy Agency,IEA）预测到 2021 年，可再生能源在全球能源消费结构中的占比将增至 42%，可再生能源发电在电力能源中的占比将达到 28%，到 2035 年可再生能源发电（包括水电）占全球发电量增长的50%，并且在全球发电总量中的占比将增加至 31%，从而成为电力行业最主要的燃料。按照 IEA 的推荐，将可再生能源分为三类，第一类为大型水电站，第二类为生物质能，第三类为新的可再生能源，即新能源，包括太阳能、风能、小水电、海洋能等。此外，新能源除了包含太阳能、风能、小水电、海洋能等一次能源外，通常还包含燃料电池等二次能源。
       新能源发电技术作为解决环境问题的有效举措，具有高效益、快速率等特征，成为目前国家有关部门重点倡导的资源开发技术。因此在实际应用过程中需要广泛利用新能源发电技术，提高能源的利用率，减少能源污染，保护自然环境，从而更好地促进人与自然的和谐发展。