【摘要】 为解决多用户用电的集中、高效管理,研制了群集式电子电能表。阐述了群集式电子电能表的电路设计和交流采样测量有功功率的原理,并介绍了群集式电子电能表功能扩展电路的设计原理——短路保护、自动限流、躲让起动电流等。该电能表经长期运行,其性能稳定,功能可靠。该电能表配有微型打印机,可打印出各用户的用电量,不需逐户查表,实现了用电的高效集中管理。更多还原

【Abstract】 Crowd electric energy meter for measuring electricity was developed for resolving concentrate and highly active management of numerous users using electricity.The circuit design of crowd meter for measuring electricity and the principle of alternative sampling to measure meritorious service efficiency were reviewed.The design principle of crowd meter for measuring electricity’s function having been expanded in circuit were described,such as short-circuit protection,automatic current limited and jump-start electric current avoidance.The electric energy meter’s performance and function were stable and reliable.The tiny printer was built in electric energy meter.Each user’s electricity can be printed.Table search one by one was not needed.Highly active and concentrate management of electricity was reached.更多还原