随着家用电器和自动化办公产品的日益普及，具有待机功能的产品社会保有量日益剧增，待机能耗的迅速增长和由此引发的环境问题越来越引起世界各国的广泛关注，人们形象地把待机能耗比做“吸血虫”，发达国家纷纷制定了相应的政策和措施来鼓励低待机能耗产品和技术的推广应 With the increasing popularization of home appliances and office automation products, the social possession of products with standby functions has been increasing rapidly. The rapid growth of standby power consumption and the environmental problems caused by it have drawn more and more attention from all countries in the world. The standby energy consumption than the “blood-sucking insects”, developed countries have formulated corresponding policies and measures to encourage low-standby energy products and technologies should be promoted