一种数字保护继电器,包括:至少一个具有电子电路的子印刷电路板,该电子电路产生电磁干扰噪声或高频噪声;以及背板印刷电路板,在其上表面具有多个用来与所述子印刷电路板相连接的第一连接器,通过所述第一连接器被连接到所述子印刷电路板上,并且提供一种噪声放电路径,来自所述子印刷电路板的所述电磁干扰噪声或高频噪声...
网络数字式继电保护 网络释义 1. 数字式继电保护 精华区文章阅读 ... delayed relay 延时继电器digital type protection relay数字式继电保护directional relay 方向继电器 ... kyxk.net|基于10个网页
PROBLEMTO BE SOLVED: To provide a digital type protection relay capable of fast detecting a fractional harmonic component.SOLUTION: An FIR filter 341 has a filter coefficient that is set to remove at least a fundamental wave component included in a power signal and filters 360 digital data items...
A Study on the Development and Application of Digital Protective Relay for DC Feeding System of Light Rail Transit System The DC protection and control device for the feeding system of a Light Rail Transit(LRT) system is developed. For the development, the short circuit characteristics in the sy...
The digital protection relay is a hybrid system which its inputs are continuous variables and its output is discrete event. The paper proposes a novel abstraction hierarchical GHPN modeling method for digital protection relay, the continuous dynamic layer of GHPN model describes the continuous variabl...
Test method of digital substation relay protection device and special device thereof The invention relates to a test method of a digital substation relay protection device. The test method is characterized in that the method comprises the f... 张会建,张磐,徐科,... 被引量: 8发表: 2010年 Abn...
DIGITAL PROTECTION RELAY DEVICE AND DATA TRANSMISSION DEVICE FOR DIGITAL PROTECTION RELAY DEVICE Provided is a high-precision and highly functional digital protective relay device and a data transmission device for a digital protective relay device, by enabling transmission of large amounts of system ele...
Digital protection relay SIPROTEC 5 for motor protection, distance protection, overcurrent, busbar and feeder protection as main applications.
When conducting relay protection research, research costs can be significantly reduced if protection principle development, protection parameter verification and debugging can be carried out without relying on actual protection devices. The concept of ‘
DIGITAL PROTECTION RELAY DEVICE 专利名称：DIGITAL PROTECTION RELAY DEVICE 发明人：SADAGAMI TAKAMICHI 申请号：JP8895288 申请日：19880413 公开号：JPH01264533A 公开日：19891020 专利内容由知识产权出版社提供 摘要：PURPOSE:To delete a wasting time for altering a settling and to prevent the alteration of ...