首页>
外国专利>
Relay protection and automatic device of a junction of a power network with measuring elements using optical transmission channels with frequency coding
Relay protection and automatic device of a junction of a power network with measuring elements using optical transmission channels with frequency coding
展开▼
机译：具有使用光传输通道的电网连接电源网络的接线连接和自动装置，使用频率编码
展开▼
页面导航
摘要
著录项
相似文献
摘要
Application: in the field of electrical power engineering, technical effect: dispensing with cable inventory that takes up a lot of space; The possibility of concentrating all protection and control functions in one device. The relay protection and automatic device of a node of the power network comprises: - optical pulse generators, the pulse frequency of which depends on the magnitude of the instantaneous values of the voltages, currents or the status of the switching devices of the power network; - optical transmission channels. Via these channels, impulses are transmitted into the optical ports of a microprocessor-controlled arithmetic unit; - a microprocessor-controlled arithmetic unit that converts the pulse frequencies into the instantaneous values of the parameters of the power grid In addition, the microprocessor-controlled arithmetic unit generates pulses of the specified frequency in accordance with the specified algorithm in order to send them to the switching elements of the power grid via the transmission channels. The generation of pulses takes place via optical output ports. The switching elements of the power grid change their status depending on the frequency of the incoming pulses.
展开▼
