CN102842960A - 数字保护继电器的局域监控设备、监控系统和方法 - Google Patents

数字保护继电器的局域监控设备、监控系统和方法 Download PDF

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CN102842960A
CN102842960A CN2012102123153A CN201210212315A CN102842960A CN 102842960 A CN102842960 A CN 102842960A CN 2012102123153 A CN2012102123153 A CN 2012102123153A CN 201210212315 A CN201210212315 A CN 201210212315A CN 102842960 A CN102842960 A CN 102842960A
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digital protective
protective relay
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monitoring
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李炳镇
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LS Electric Co Ltd
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LS Industrial Systems Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/12—The local stationary network supplying a household or a building
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/14—District level solutions, i.e. local energy networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

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  • Computer Networks & Wireless Communication (AREA)
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  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

本发明公开了数字保护继电器的局域监控设备、监控系统和方法，具体为局域监控设备、数字保护继电器的电力分配监控系统，以及使用数字保护继电器的电力分配监控系统的方法。根据本公开的实施例，数字保护继电器的电力分配监控系统可以配置为具有局域监控程序以及数字保护继电器的自函数，从而减少由于远程监控系统的安装导致的费用负担。根据本公开的实施例，可以通过远程监控连接线连接至一个或多个数字保护继电器以使用局域监控专用协议来发送和接收数据，从而容易地对包含在数字保护继电器中的各种数据进行处理。此外，根据本公开，可以对多个数字保护继电器分别所需的各个设定值一次性地进行存取和下载，从而增强用户便利性并且提高管理效率。

Description

数字保护继电器的局域监控设备、监控系统和方法
技术领域
本公开涉及根据通信协议通过不同的监控装置来监控电力分配的使用数字保护继电器的电力分配监控系统和方法。
背景技术
电力分配设置有用于将由电力发电机产生的电力供应给顾客的各种电力发送和接收设施，并且典型地用于测量和显示电力发送和接收设施之中的电能的装置可以包括电量计和数字保护继电器。
图5是示意性地示出电力分配中的电力接收设施的电断开和电连接的图。参照图5，计量工具（metering out fit（MOF））20连接至电力线路11，电力通过电力线路11供应自电源10，并且电量计30连接至计量工具20以接收由计量工具20转变的电压和电流。此外，变压器（PT）40和变流器（CT）50连接至电力线路11，并且数字保护继电器60连接至变压器40和变流器50，并且因此将变压器40转变的电压和变流器50转变的电流输入至数字保护继电器60。
数字保护继电器60根据自变压器40和变流器50接收到的电压和电流来计算电能。数字保护继电器60是这样一种装置：当诸如过电流事故、短路事故、接地事故等各种事故发生时，通过发送阻断信号给断路器以使系统与发生事故的线路隔离来保护系统（负载）免于发生在电力发送和分配线路处的各种事故的破坏。此外，数字保护继电器60除了电路分配和电力设施保护功能以外，还具有用于测量电压和电流以显示功率因数、电力、电力量的测量器械功能。
发明内容
根据本公开的实施例，其目的在于提供一种局域监控设备、数字保护继电器的电力分配监控系统，以及使用数字保护继电器的电力分配监控系统的方法；局域监控设备通过远程监控连接线连接至一个或多个数字保护继电器以使用局域监控专用协议来发送和接收数据，从而对数字保护继电器进行监控。
根据本公开的实施例，其另一个目的在于提供一种局域监控设备、数字保护继电器的电力分配监控系统，以及使用数字保护继电器的电力分配监控系统的方法；其中数字保护继电器的电力分配监控系统设置有局域监控程序以及数字保护继电器的自函数，从而解决由于远程监控系统的安装导致的问题。
为了实现上述目标，根据实施例的局域监控设备可以设置有局域监控程序，并且分别通过远程监控连接线连接至具有远程监控端口的一个或多个数字保护继电器，并且被配置为使用局域监控专用协议向至少一个或多个数字保护继电器发送数据和/或从至少一个或多个数字保护继电器接收数据。局域监控设备可以包括：存储单元，其被配置为存储所述局域监控程序；通信单元，其通过所述远程监控连接线连接至所述至少一个或多个数字保护继电器以发送和接收数据；以及控制器，其被配置为执行所述局域监控程序。
为了实现上述目标，根据实施例的数字保护继电器的电力分配监控系统可以包括：一个或多个数字保护继电器，其分别设置有一个或多个远程监控端口，通过远程监控连接线连接以收集当监控电力分配时发生的事件并且生成监控数据；以及局域监控设备，其设置有局域监控程序，并且通过所述远程监控连接线连接至所述一个或多个数字保护继电器以使用局域监控专用协议来接收所述监控数据。
根据另一个实施例的数字保护继电器的电力分配监控系统可以包括：一个或多个数字保护继电器、局域监控设备以及远程监控设备，所述远程监控设备通过所述远程监控连接线连接以通过远程监控专用协议来接收来自所述一个或多个数字保护继电器的监控数据。
在数字保护继电器的电力分配监控系统中，所述一个或多个数字保护继电器可以包括：通信模块，其被配置为发送所述监控数据以及接收控制数据；以及控制模块，其被配置为判定所述监控数据的通信协议，并且根据判定结果使用所述局域监控专用协议或者所述远程监控专用协议对所述控制数据进行处理。
为了实现上述目的，监控数字保护继电器中的电力分配的方法可以包括：允许所述数字保护继电器通过远程监控连接线来接收控制数据；允许所述数字保护继电器判定接收到的所述控制数据的通信协议；以及允许所述数字保护继电器根据判定步骤的结果对所述控制数据进行处理。
此外，监控数字保护继电器中的电力分配的方法可以包括：允许所述局域监控设备执行局域监控程序；允许所述局域监控设备通过所述远程监控连接线对所述数字保护继电器进行存取；以及允许所述局域监控设备发送所述控制数据至所述数字保护继电器。
根据本公开的实施例，数字保护继电器的电力分配监控系统可以被配置为具有局域监控程序以及数字保护继电器的自函数，从而减少由于远程监控系统的安装导致的费用负担以及增强基于管理的便利性。
根据本公开的实施例，可以通过远程监控连接线连接至一个或多个数字保护继电器以使用局域监控专用协议来发送和接收数据，从而容易地对包含在数字保护继电器中的各种数据进行处理。此外，根据本公开，可以对多个数字保护继电器分别所需的各个设定值一次性地进行存取和下载，从而增强用户便利性并且提高管理效率。
附图说明
被包括以提供对本公开的进一步理解的附图示出了本公开的实施例，附图被并入并构成本说明书的一部分，其与说明书一起用于解释本公开的原理。
在附图中：
图1是示意性地图示出根据本公开的实施例的数字保护继电器的电力分配监控系统的配置的图；
图2是图示出图1中的局域监控设备和多个数字保护继电器的详细配置和连接关系的图；
图3是示意性地图示出根据实施例的监控数字保护继电器中的电力分配的方法的流程图；
图4是示意性地图示出根据另一个实施例的监控数字保护继电器中的电力分配的方法的流程图；以及
图5是示意性地图示出电力接收设施的断开和连接的图。
具体实施方式
参照图1，根据实施例的数字保护继电器的电力分配监控系统可以包括：一个或多个数字保护继电器200A、200B、…、200N，其分别设置有一个或者多个远程监控端口，通过远程监控连接线连接以收集当监控电力分配时发生的事件并且生成监控数据；以及局域监控设备100，其设置有局域监控程序，并且通过远程监控连接线连接至一个或多个数字保护继电器200以使用局域监控专用协议来接收监控数据。
根据实施例的局域监控设备100可以设置有局域监控程序，并且分别通过远程监控连接线连接至具有远程监控端口210的一个或多个数字保护继电器200，并且被配置为使用局域监控专用协议向至少一个或多个数字保护继电器发送数据和/或从至少一个或多个数字保护继电器接收数据。这里，远程监控连接线可以是串行通信线或者以太网通信线。也即是说，远程监控连接线是RS-485、422、以太网等。此外，局域监控程序可以是PC管理器程序，并且局域监控专用协议是PC管理器专用协议。
参照图2，局域监控设备100可以包括：存储单元110，其被配置为存储局域监控程序；通信单元120，其通过远程监控连接线连接至至少一个或多个数字保护继电器200以发送和接收数据；以及控制器130，其被配置为执行局域监控程序。存储单元110存储局域监控程序，即，PC管理器程序。此外，存储单元110可以存储从每个数字保护继电器接收到的监控数据。通信单元120通过诸如RS-485、以太网等远程监控连接线连接至数字保护继电器以发送控制数据和接收监控数据。控制器130执行局域监控程序，并且对各个单元进行控制。此外，控制器130对各个数字保护继电器进行监控。控制器130执行局域监控程序，并且然后改变数字保护继电器的设定值或者发送和接收数据。局域监控设备可以进一步包括用于将由一个或多个数字保护继电器生成的监控数据显示在屏幕上的显示单元（未示出）。
再次参照图1，除了根据实施例的局域监控设备100和一个或多个数字保护继电器200以外，根据另一个实施例的数字保护继电器的电力分配监控系统可以进一步包括远程监控设备300，远程监控设备300通过远程监控连接线连接以通过远程监控专用协议接收来自一个或多个数字保护继电器的监控数据。这里，远程监控专用协议是诸如MODBUS的远程SCADA协议或者诸如DNP 3.0的分布式网络协议（DNP）。例如，作为用于获取电力分配信息的工业标准协议，DNP可以用作为通信方案，尤其是监控设备和数字保护继电器之间的通信方案。
参照图2，一个或多个数字保护继电器200可以包括用于执行通过远程监控连接线连接至局域监控设备100或者远程监控设备300的角色的远程监控端口210。
数字保护继电器200可以进一步包括用于发送监控数据以及接收控制数据的通信模块220。通信模块220接收来自局域监控设备或者远程监控设备的控制数据，并且发送监控数据至局域监控设备或者远程监控设备。
数字保护继电器200可以进一步包括用于判定控制数据的通信协议的控制模块230。控制模块230根据判定结果使用局域监控专用协议或者远程监控专用协议对控制数据进行处理。
数字保护继电器200可以进一步包括继电器的保护程序以及用于存储驱动程序的存储模块（未示出）。存储模块可以使用所有类型的可读写存储器。此外，存储模块可以进一步存储关于通信协议、监控数据、控制数据等的信息。
参照图3，根据实施例的数字保护继电器的电力分配监控方法可以包括：允许数字保护继电器通过远程监控连接线来接收控制数据（S110），允许数字保护继电器判定接收到的控制数据的通信协议（S120），以及允许数字保护继电器根据判定步骤的结果对控制数据进行处理（S130、S140）。这里，所述判定通信协议（S120）是判定通信协议是局域监控专用协议还是远程监控专用协议。
参照图4，根据另一个实施例的数字保护继电器的电力分配监控方法可以包括：允许局域监控设备执行局域监控程序（S210），允许局域监控设备通过远程监控连接线对数字保护继电器进行存取（S220），以及允许局域监控设备发送控制数据至数字保护继电器（S230）。另一个实施例可以进一步包括：允许数字保护继电器判定接收到的控制数据的通信协议（S240），以及允许数字保护继电器根据判定步骤的结果对控制数据进行处理（S250）。这里，所述判定通信协议（S240）是判定通信协议是局域监控专用协议还是远程监控专用协议。
参照图4，根据实施例的电力分配监控方法可以包括：允许数字保护继电器对电力分配进行监控（S261），允许数字保护继电器收集当监控电力分配时发生的事件（S262），允许数字保护继电器基于发生的事件来生成监控数据（S263），允许数字保护继电器使用判定的通信协议对监控数据进行转换（S264），以及允许数字保护继电器通过远程监控连接线发送转换后的监控数据（S270）。
数字保护继电器收集当监控电力分配（S261）时发生的事件（S262），并且判定收集到的事件是否包括在预定（用户定义）的列表中，然后存储收集到的数据。数字保护继电器基于发生的事件而根据通信协议生成监控数据（S263、S264）。也即是说，数字保护继电器使用发生的事件来生成监控数据（S263），并且根据在步骤S240判定出的通信协议对监控数据进行转换（S264）。也即是说，通信协议可以与通过远程监控端口接收到的控制数据的通信协议相符合。这里，通信协议可以是局域监控专用协议或者远程监控专用协议。局域监控程序可以是PC管理器程序。远程监控专用协议是诸如MODBUS的远程SCADA协议或者诸如DNP 3.0的分布式网络协议（DNP）。
局域监控设备或者远程监控设备将从数字保护继电器接收到的监控数据显示在屏幕上（S280）。
如上文所述，根据本公开，数字保护继电器的电力分配监控系统可以被配置为具有局域监控程序以及数字保护继电器的自函数，从而减少由于远程监控系统的安装导致的费用负担以及增强基于管理的便利性。根据本公开，可以通过远程监控连接线连接至一个或多个数字保护继电器以使用局域监控专用协议来发送以及接收数据，从而容易地对包含在数字保护继电器中的各种数据进行处理。此外，根据本公开，可以对多个数字保护继电器分别所需的各个设定值一次性地进行存取和下载，从而增强用户便利性并且提高管理效率。

Claims (14)

1.一种局域监控设备，其设置有局域监控程序，并且分别通过远程监控连接线连接至具有远程监控端口的一个或多个数字保护继电器，并且被配置为使用局域监控专用协议向至少一个或多个数字保护继电器发送数据和/或从至少一个或多个数字保护继电器接收数据。
2.根据权利要求1所述的局域监控设备，包括：
存储单元，其被配置为存储所述局域监控程序；
通信单元，其通过所述远程监控连接线连接至所述至少一个或多个数字保护继电器以发送和接收数据；以及
控制器，其被配置为执行所述局域监控程序。
3.根据权利要求1或2所述的局域监控设备，其中所述远程监控连接线是串行通信线或者以太网通信线。
4.一种数字保护继电器的电力分配监控系统，所述系统包括：
一个或多个数字保护继电器，其分别设置有一个或多个远程监控端口，通过远程监控连接线连接以收集当监控电力分配时发生的事件并且生成监控数据；以及
局域监控设备，其设置有局域监控程序，并且通过所述远程监控连接线连接至所述一个或多个数字保护继电器以使用局域监控专用协议来接收所述监控数据。
5.根据权利要求4所述的系统，进一步包括：
远程监控设备，其通过所述远程监控连接线连接以通过远程监控专用协议接收来自所述一个或多个数字保护继电器的监控数据。
6.根据权利要求5所述的系统，其中所述远程监控专用协议是MODBUS或者DNP。
7.根据权利要求5或6所述的系统，其中所述一个或多个数字保护继电器包括：
通信模块，其被配置为发送所述监控数据以及接收控制数据；以及
控制模块，其被配置为判定所述监控数据的通信协议，以及根据判定结果使用所述局域监控专用协议或者所述远程监控专用协议对所述控制数据进行处理。
8.根据权利要求7所述的系统，其中所述远程监控连接线是串行通信线或者以太网通信线。
9.根据权利要求4至6中任一项所述的系统，其中所述局域监控设备包括：
存储单元，其被配置为存储所述局域监控程序；
通信单元，其通过所述远程监控连接线连接至一个或多个数字保护继电器以发送和接收数据；以及
控制器，其被配置为执行所述局域监控程序。
10.一种监控数字保护继电器中的电力分配的方法，所述方法包括：
允许所述数字保护继电器通过远程监控连接线来接收控制数据；
允许所述数字保护继电器来判定接收到的控制数据的通信协议，以及
允许所述数字保护继电器根据判定步骤的结果对所述控制数据进行处理。
11.根据权利要求10所述的方法，进一步包括：
允许所述局域监控设备执行局域监控程序；
允许所述局域监控设备通过所述远程监控连接线对所述数字保护继电器进行存取；以及
允许所述局域监控设备发送所述控制数据至所述数字保护继电器。
12.根据权利要求11所述的方法，进一步包括：
允许所述数字保护继电器对电力分配进行监控；
允许所述数字保护继电器收集当监控电力分配时发生的事件；以及
允许所述数字保护继电器基于所发生的事件来生成监控数据。
13.根据权利要求12所述的方法，进一步包括：
允许所述数字保护继电器使用判定出的通信协议对所述监控数据进行转换；以及
允许所述数字保护继电器通过所述远程监控连接线发送转换后的监控数据。
14.根据权利要求10至13中任一项所述的方法，其中所述判定通信协议是判定所述通信协议是局域监控专用协议还是远程监控专用协议。
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