Wide-area protection peer-to-peer communication system and method based on transmission equipment packet transport network (PTN) planes

A wide-area protection and peer-to-peer communication technology, which is applied in the communication field of wide-area protection equipment, can solve the problems of complex networking and additional configuration of communication interface conversion devices, etc., to achieve a clear network structure, ensure reliability, and facilitate maintenance and management Effect

Active Publication Date: 2016-04-13
NR ELECTRIC CO LTD +2
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Problems solved by technology

[0004] The purpose of the present invention is to provide a wide-area protection peer-to-peer communication method based on the transmission equipment PTN (PacketTransportNetwork, packet transport network) plane, to solve the current complex business network based on the power system transmission network, which requires additional configuration of communication interface conversion devices, etc. question

Method used

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  • Wide-area protection peer-to-peer communication system and method based on transmission equipment packet transport network (PTN) planes
  • Wide-area protection peer-to-peer communication system and method based on transmission equipment packet transport network (PTN) planes
  • Wide-area protection peer-to-peer communication system and method based on transmission equipment packet transport network (PTN) planes

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Embodiment Construction

[0023] The wide-area protection system is mainly composed of wide-area protection equipment (or regional protection and control equipment), transmission equipment with PTN plane, etc. The wide-area protection equipment sends the multicast message of this device to the transmission network composed of PTN equipment Transmission, the wide-area protection device receives multicast packets sent by other wide-area protection devices from the transmission network.

[0024] Such as figure 1 As shown, the multicast message sent by station A is received by stations B, C, D, E, and F. The network structure of the PTN plane of the transmission equipment is as follows: image 3 As shown, station A-station B-station C-station D-station E-station F-station A constitutes a ring network architecture. The ring network architecture is used here for convenience as an example, and the actual network is not limited to a ring network architecture. Assuming station A sends a multicast message to st...

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Abstract

The invention provides a wide-area protection peer-to-peer communication system and method based on transmission equipment packet transport network (PTN) planes. The wide-area protection peer-to-peer communication system is characterized by comprising more than one piece of wide-area protection equipment, wherein each piece of wide-area protection equipment corresponds to one PTN plane; the PTN planes of the wide-area protection equipment comprise access ports and cascade ports; the wide-area protection equipment is connected with corresponding PTN planes through the access ports; the PTN planes are connected together through the cascade ports; and the PTN planes perform static multicast table configuration and flow control configuration according to wide-area protection services. Through adoption of the wide-area protection peer-to-peer communication system, the defect of over dependence on a dedicated E1 channel in service division in an existing power system transmission network is overcome completely; the network division efficiency is increased greatly for a large-scale wide-area protection system with a complex communication relationship; the wide-area protection system has a clear network framework; and convenience is brought to later-stage maintenance, management and the like.

Description

technical field [0001] The invention relates to communication of wide area protection equipment, in particular to a peer-to-peer communication system and method between wide area protection equipment. Background technique [0002] At present, the transmission network of the power system mainly uses SDH (Synchronous Digital Hierarchy, Synchronous Digital System) equipment for networking. SDH equipment is based on TDM (Time-Division Multiplexing, Time Division Multiplexing) technology for data transmission, with fixed service transmission bandwidth and high reliability. advantage. However, SDH equipment networking also brings about the problem of poor flexibility. Each allocated time slot can only transmit specified services, and the allocated bandwidth cannot be used by other services regardless of whether there is information transmission, resulting in low bandwidth utilization. At present, the dispatching business, stability control business, and trustworthiness business o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/761H04L12/24H04B3/54H04L45/16
Inventor 李力王莉杨贵钟国新高宏俊吴刚李锦煊彭安
Owner NR ELECTRIC CO LTD
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