The basic principle of new types of protection which present relay protection experts have proposed, such as shape wave protection, non-channelprotection and so on, is introduced.
介绍了当前继电保护专家们提出的行波保护、无通道保护等新型保护的基本原理。
3
The agriculture network cannot satisfy the needs and requirements of the electric power business management system, which requires many means of communication means and channelprotection.