CN107069948A - The remote detection monitoring system and detection method of a kind of DC power system - Google Patents

The remote detection monitoring system and detection method of a kind of DC power system Download PDF

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Publication number
CN107069948A
CN107069948A CN201611062742.2A CN201611062742A CN107069948A CN 107069948 A CN107069948 A CN 107069948A CN 201611062742 A CN201611062742 A CN 201611062742A CN 107069948 A CN107069948 A CN 107069948A
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battery
remote
charger
detection
monitoring
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包震洲
舒锦宏
雷怡俊
吴建新
王泽伟
吴双
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Guo Wang Jinshuitan Hydroelectric Generating Station Zhejiang Electric Power Co
State Grid Corp of China SGCC
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Guo Wang Jinshuitan Hydroelectric Generating Station Zhejiang Electric Power Co
State Grid Corp of China SGCC
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Priority to CN201611062742.2A priority Critical patent/CN107069948A/en
Publication of CN107069948A publication Critical patent/CN107069948A/en
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    • 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
    • H02J13/00001—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 display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • H02J13/0017—
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage or fault management, e.g. fault detection or location

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种直流电源系统的远程检测监测系统及检测方法，所述的直流电源系统主要包括充电机、蓄电池以及绝缘监测装置，其特征在于所述的远程监测系统包括：充电机监控模块、绝缘检测模块、蓄电池巡检模块、蓄电室环境检测单元、系统服务器、交换机机串口通信；所述的方法是：通过远程PC机经服务器对直流电源系统的蓄电池、充电机、绝缘监测系统以及蓄电池室温湿度及工作场所进行检测，实现故障诊断及生成故障处理策略，同时具备蓄电池组漏投报警功能，防止市电消失时造成直流系统崩溃；本发明能使运维人员可以通过这种直流系统故障远程诊断的方法来掌握直流系统设备设备状态，提高直流系统故障处理能力和工作效率，保障设备安全运行。

A remote detection and monitoring system and detection method of a DC power supply system. The DC power supply system mainly includes a charger, a storage battery, and an insulation monitoring device. It is characterized in that the remote monitoring system includes: a charger monitoring module and an insulation detection module. , storage battery inspection module, storage room environment detection unit, system server, and switch machine serial port communication; the method is: through the remote PC through the server, the storage battery, charger, insulation monitoring system and storage battery room temperature of the DC power supply system Humidity and workplaces are detected to realize fault diagnosis and generate fault handling strategies. At the same time, it has the function of alarming the leakage of the battery pack to prevent the DC system from collapsing when the mains power disappears; the invention enables the operation and maintenance personnel to remotely The diagnosis method is used to grasp the equipment status of the DC system equipment, improve the DC system fault handling capability and work efficiency, and ensure the safe operation of the equipment.

Description

一种直流电源系统的远程检测监测系统及检测方法A remote detection and monitoring system and detection method for a DC power supply system

技术领域technical field

本发明涉及的是一种直流电源系统的远程监测系统及检测方法，属于电力直流系统运行和维护技术领域。The invention relates to a remote monitoring system and a detection method of a DC power supply system, and belongs to the technical field of operation and maintenance of electric DC power systems.

技术背景technical background

发电厂、变电站直流系统担负着继电保护及自动装置、控制电源、事故照明等重要设备的供电任务；在系统发生故障，站用电中断的情况下，如果直流电源系统不能可靠提供直流工作电源，将会产生不可估量的损失，因此在直流电源的作用日益突出的情况下，有必要设立一套独立的直流电源系统远程检测。The DC systems of power plants and substations are responsible for the power supply tasks of important equipment such as relay protection, automatic devices, control power supplies, and emergency lighting; , will produce immeasurable losses, so it is necessary to set up an independent DC power system for remote detection when the role of DC power is becoming more and more prominent.

发明内容Contents of the invention

本发明的目的在于克服现有技术存在的不足，而提供一种直流电源系统的远程监测系统及检测方法。它能使运维人员可以通过这种直流系统故障远程诊断的方法来掌握直流系统设备设备状态，提高直流系统故障处理能力和工作效率，保障设备安全运行。The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a remote monitoring system and detection method of a DC power supply system. It enables operation and maintenance personnel to grasp the status of DC system equipment and equipment through this method of remote diagnosis of DC system faults, improve the DC system fault handling capability and work efficiency, and ensure the safe operation of equipment.

本发明的目的是通过如下技术方案来完成的，一种直流电源系统的远程检测监测系统，所述的直流电源系统主要包括充电机、蓄电池以及绝缘监测装置，所述的远程监测系统包括：充电机监控模块、绝缘检测模块、蓄电池巡检模块、蓄电室环境检测单元、系统服务器、交换机机串口通信，其中：The purpose of the present invention is achieved through the following technical solutions, a remote detection and monitoring system of a DC power supply system, the DC power supply system mainly includes a charger, a storage battery and an insulation monitoring device, and the remote monitoring system includes: Machine monitoring module, insulation detection module, battery inspection module, storage room environment detection unit, system server, switch machine serial port communication, of which:

所述的充电机监控模块是管理直流电源系统中整流作用的充电机，可以检测每台充电机运行情况，包括输出电压、充电电流，工作温度，通信情况、开机状态、均充状态、设备故障、过压报警、欠压报警各项信息；The charger monitoring module is a charger that manages the rectification function in the DC power system, and can detect the operation status of each charger, including output voltage, charging current, operating temperature, communication status, power-on status, equal charging status, and equipment failure , Overvoltage alarm, undervoltage alarm information;

所述的绝缘检测模块利用电桥平衡原理用来测量直流电源系统母线正负极对地电压、各支路绝缘状态、利用耦合交直流分解电路来实现直流纹波检测、交流窜直流检测功能；The insulation detection module uses the bridge balance principle to measure the voltage of the positive and negative poles of the bus bar of the DC power supply system to the ground, the insulation state of each branch, and uses the coupled AC-DC decomposition circuit to realize the DC ripple detection and AC channeling DC detection functions;

所述的蓄电池巡检模块利用对单体蓄电池电压、电流温度的采集计算，来检测直流蓄电池各项数据，包括单节蓄电池电压、蓄电组电压最低电池、蓄电组电压最高电池、蓄电组总电压、蓄电组总电流、蓄电间温湿度、蓄电组每节电池内阻；The battery inspection module uses the collection and calculation of the voltage and current temperature of the single battery to detect various data of the DC battery, including the voltage of a single battery, the battery with the lowest voltage of the storage group, the battery with the highest voltage of the storage group, and the storage battery. The total voltage of the storage group, the total current of the storage group, the temperature and humidity of the storage room, and the internal resistance of each battery in the storage group;

所述的蓄电室环境检测单元采用视频监视器和带通讯功能的温湿度传感器，实现检测蓄电池室环境温、湿度及传送现场视频图像；The battery room environment detection unit adopts a video monitor and a temperature and humidity sensor with a communication function to detect the temperature and humidity of the battery room environment and transmit on-site video images;

所述的充电机监控模块、绝缘检测模块、蓄电池巡检模块分别通过RS485串口经所述的交换机机串口通信的MODBUS规约把相应的信息上送到连接的服务器；蓄电室环境检测单元利用RJ45网口经所述的交换机机串口通信的MODBUS规约把相应的信息上送到连接的服务器。The charger monitoring module, the insulation detection module, and the battery inspection module send the corresponding information to the connected server through the RS485 serial port and the MODBUS protocol of the serial port communication of the switchboard; the storage room environment detection unit uses RJ45 The network port sends the corresponding information to the connected server through the MODBUS protocol of the serial port communication of the switch.

作为优选：所述的充电机监控模块、蓄电池巡检模块、绝缘检测模块、蓄电室环境检测单元的数据收集到服务器后，在服务器中形成SQL数据库。As a preference: after the data of the charger monitoring module, the battery inspection module, the insulation detection module, and the storage room environment detection unit are collected in the server, an SQL database is formed in the server.

一种利用所述直流电源系统的远程检测监测系统进行远程检测方法，所述的远程检测方法是：通过远程PC机经服务器对直流电源系统的蓄电池、充电机、绝缘监测系统以及蓄电池室温湿度及工作场所进行检测，实现故障诊断及生成故障处理策略，同时具备蓄电池组漏投报警功能，防止市电消失时造成直流系统崩溃。A remote detection method using the remote detection and monitoring system of the DC power supply system, the remote detection method is: through the remote PC through the server, the storage battery, the charger, the insulation monitoring system of the DC power supply system, and the room temperature and humidity of the storage battery And the workplace for detection, to achieve fault diagnosis and generate fault handling strategies, and at the same time have the battery leakage alarm function to prevent the DC system from collapsing when the mains power disappears.

作为优选：所述的服务器利用vb.net程序编制了“直流系统远程监测系统”，包含直流一览图、充电机数据、蓄电池数据、绝缘监测、历史数据等几项功能；全面实现对直流系统蓄电池、充电并利机、直流接地监测系统、蓄电池室温湿度及视频的远程监测及故障自诊断功能，同时通过远程检测监测系统自动判断直流设备运行状态，并比较蓄电池组总电压与直流母线电压差，来实现蓄电池组漏投判据及报警功能；各类报警及故障信息在“直流系统远程监测系统”的“报警一览表中”呈现；运维人员通过远程PC登录服务器后，对直流系统的运行状态一目了然。As a preference: the server utilizes the vb.net program to compile a "DC system remote monitoring system", including several functions such as DC overview, charger data, battery data, insulation monitoring, and historical data; fully realize the monitoring of the DC system battery , charging machine, DC grounding monitoring system, remote monitoring of battery room temperature and humidity and video and fault self-diagnosis functions, and at the same time, the remote detection and monitoring system can automatically judge the operating status of DC equipment, and compare the total voltage of the battery pack with the DC bus voltage difference , to realize battery pack leakage criterion and alarm function; all kinds of alarm and fault information are presented in the "alarm list" of "DC system remote monitoring system"; after the operation and maintenance personnel log in to the server through a remote PC, The status is clear at a glance.

本发明通过对直流电源系统的远程监控，使运维人员可以掌握直流系统设备设备状态，提高直流系统故障处理能力和工作效率，保障设备安全运行。Through the remote monitoring of the DC power supply system, the present invention enables operation and maintenance personnel to grasp the equipment status of the DC system equipment, improves the failure handling capability and work efficiency of the DC system, and ensures the safe operation of the equipment.

附图说明Description of drawings

图1是本发明所述的系统构成框图。Fig. 1 is a system block diagram of the present invention.

具体实施方式detailed description

下面将结合附图及具体实施例对本发明作详细的介绍：图1所示，本发明所述的一种直流电源系统的远程检测监测系统，所述的直流电源系统主要包括充电机、蓄电池以及绝缘监测装置，所述的远程监测系统包括：充电机监控模块1、绝缘检测模块2、蓄电池巡检模块3、蓄电室环境检测单元4、系统服务器5、交换机6机串口通信，其中：The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments: As shown in Figure 1, a remote detection and monitoring system for a DC power supply system according to the present invention, the DC power supply system mainly includes a charger, a storage battery and Insulation monitoring device, the remote monitoring system includes: charger monitoring module 1, insulation detection module 2, battery inspection module 3, storage room environment detection unit 4, system server 5, switch 6 machine serial port communication, wherein:

所述的充电机监控模块1是管理直流电源系统中整流作用的充电机，可以检测每台充电机运行情况，包括输出电压、充电电流，工作温度，通信情况、开机状态、均充状态、设备故障、过压报警、欠压报警各项信息；The charger monitoring module 1 is a charger that manages rectification in the DC power system, and can detect the operation of each charger, including output voltage, charging current, operating temperature, communication status, power-on status, equal charging status, equipment Fault, overvoltage alarm, undervoltage alarm information;

所述的绝缘检测模块2利用电桥平衡原理用来测量直流电源系统母线正负极对地电压、各支路绝缘状态、利用耦合交直流分解电路来实现直流纹波检测、交流窜直流检测功能；The insulation detection module 2 uses the bridge balance principle to measure the voltage of the positive and negative poles of the bus bar of the DC power system to the ground, the insulation state of each branch, and uses the coupled AC-DC decomposition circuit to realize the DC ripple detection and AC channeling DC detection functions. ;

所述的蓄电池巡检模块3利用对单体蓄电池电压、电流温度的采集计算，来检测直流蓄电池各项数据，包括单节蓄电池电压、蓄电组电压最低电池、蓄电组电压最高电池、蓄电组总电压、蓄电组总电流、蓄电间温湿度、蓄电组每节电池内阻；The battery inspection module 3 uses the collection and calculation of the voltage and current temperature of the single battery to detect various data of the DC battery, including the voltage of a single battery, the battery with the lowest voltage of the battery pack, the battery with the highest voltage of the battery pack, and the battery with the highest battery voltage. The total voltage of the power group, the total current of the power storage group, the temperature and humidity of the power storage room, and the internal resistance of each battery in the power storage group;

所述的蓄电室环境检测单元4采用视频监视器和带通讯功能的温湿度传感器，实现检测蓄电池室环境温、湿度及传送现场视频图像；The storage room environment detection unit 4 adopts a video monitor and a temperature and humidity sensor with a communication function to detect the temperature and humidity of the storage room environment and transmit on-site video images;

所述的充电机监控模块1、绝缘检测模块3、蓄电池巡检模块2分别通过RS485串口7经所述的交换机6机串口通信的MODBUS规约把相应的信息上送到连接的服务器5；蓄电室环境检测单元4利用RJ45网口8经所述的交换机6机串口通信的MODBUS规约把相应的信息上送到连接的服务器5。The charger monitoring module 1, the insulation detection module 3, and the battery inspection module 2 send corresponding information to the connected server 5 through the RS485 serial port 7 via the MODBUS protocol of the serial port communication of the switch 6; The room environment detection unit 4 uses the RJ45 network port 8 to send the corresponding information to the connected server 5 through the MODBUS protocol of the serial port communication of the switch 6 .

本发明所述的充电机监控模块1、蓄电池巡检模块2、绝缘检测模块3、蓄电室环境检测单元4的数据收集到服务器5后，在服务器5中形成SQL数据库。After the data of the charger monitoring module 1, the battery inspection module 2, the insulation detection module 3, and the storage room environment detection unit 4 according to the present invention are collected to the server 5, an SQL database is formed in the server 5.

一种利用所述直流电源系统的远程检测监测系统进行远程检测方法，所述的远程检测方法是：通过远程PC机经服务器对直流电源系统的蓄电池、充电机、绝缘监测系统以及蓄电池室温湿度及工作场所进行检测，实现故障诊断及生成故障处理策略，同时具备蓄电池组漏投报警功能，防止市电消失时造成直流系统崩溃。A remote detection method using the remote detection and monitoring system of the DC power supply system, the remote detection method is: through the remote PC through the server, the storage battery, the charger, the insulation monitoring system of the DC power supply system, and the room temperature and humidity of the storage battery And the workplace for detection, to achieve fault diagnosis and generate fault handling strategies, and at the same time have the battery leakage alarm function to prevent the DC system from collapsing when the mains power disappears.

本发明所述的服务器利用vb.net程序编制了“直流系统远程监测系统”，包含直流一览图、充电机数据、蓄电池数据、绝缘监测、历史数据等几项功能；全面实现对直流系统蓄电池、充电并利机、直流接地监测系统、蓄电池室温湿度及视频的远程监测及故障自诊断功能，同时通过远程检测监测系统自动判断直流设备运行状态，并比较蓄电池组总电压与直流母线电压差，来实现蓄电池组漏投判据及报警功能；各类报警及故障信息在“直流系统远程监测系统”的“报警一览表中”呈现；运维人员通过远程PC登录服务器后，对直流系统的运行状态一目了然。The server of the present invention utilizes the vb.net program to compile a "DC system remote monitoring system", which includes several functions such as DC overview, charger data, battery data, insulation monitoring, and historical data; fully realizes DC system battery, Charging machine, DC grounding monitoring system, remote monitoring of battery room temperature and humidity and video, and fault self-diagnosis functions. At the same time, the remote detection and monitoring system can automatically judge the operating status of DC equipment, and compare the total voltage of the battery pack with the DC bus voltage difference. To realize the battery pack leakage criterion and alarm function; various alarms and fault information are presented in the "alarm list" of the "DC system remote monitoring system"; after the operation and maintenance personnel log in to the server through the remote PC, It is clear at a glance.

Claims (4)

1.一种直流电源系统的远程检测监测系统，所述的直流电源系统主要包括充电机、蓄电池以及绝缘监测装置，其特征在于所述的远程监测系统包括：充电机监控模块、绝缘检测模块、蓄电池巡检模块、蓄电室环境检测单元、系统服务器、交换机机串口通信，其中：1. A remote detection and monitoring system for a DC power supply system, the DC power supply system mainly includes a charger, a storage battery and an insulation monitoring device, wherein the remote monitoring system includes: a charger monitoring module, an insulation detection module, The battery inspection module, the battery room environment detection unit, the system server, and the serial port communication of the switch, among which: 所述的充电机监控模块是管理直流电源系统中整流作用的充电机，可以检测每台充电机运行情况，包括输出电压、充电电流，工作温度，通信情况、开机状态、均充状态、设备故障、过压报警、欠压报警各项信息；The charger monitoring module is a charger that manages the rectification function in the DC power system, and can detect the operation status of each charger, including output voltage, charging current, operating temperature, communication status, power-on status, equal charging status, and equipment failure , Overvoltage alarm, undervoltage alarm information; 所述的绝缘检测模块利用电桥平衡原理用来测量直流电源系统母线正负极对地电压、各支路绝缘状态、利用耦合交直流分解电路来实现直流纹波检测、交流窜直流检测功能；The insulation detection module uses the bridge balance principle to measure the voltage of the positive and negative poles of the bus bar of the DC power supply system to the ground, the insulation state of each branch, and uses the coupled AC-DC decomposition circuit to realize the DC ripple detection and AC channeling DC detection functions; 所述的蓄电池巡检模块利用对单体蓄电池电压、电流温度的采集计算，来检测直流蓄电池各项数据，包括单节蓄电池电压、蓄电组电压最低电池、蓄电组电压最高电池、蓄电组总电压、蓄电组总电流、蓄电间温湿度、蓄电组每节电池内阻；The battery inspection module uses the collection and calculation of the voltage and current temperature of the single battery to detect various data of the DC battery, including the voltage of a single battery, the battery with the lowest voltage of the storage group, the battery with the highest voltage of the storage group, and the storage battery. The total voltage of the storage group, the total current of the storage group, the temperature and humidity of the storage room, and the internal resistance of each battery in the storage group; 所述的蓄电室环境检测单元采用视频监视器和带通讯功能的温湿度传感器，实现检测蓄电池室环境温、湿度及传送现场视频图像；The battery room environment detection unit adopts a video monitor and a temperature and humidity sensor with a communication function to detect the temperature and humidity of the battery room environment and transmit on-site video images; 所述的充电机监控模块、绝缘检测模块、蓄电池巡检模块分别通过RS485串口经所述的交换机机串口通信的MODBUS规约把相应的信息上送到连接的服务器；蓄电室环境检测单元利用RJ45网口经所述的交换机机串口通信的MODBUS规约把相应的信息上送到连接的服务器。The charger monitoring module, the insulation detection module, and the battery inspection module send the corresponding information to the connected server through the RS485 serial port and the MODBUS protocol of the serial port communication of the switchboard; the storage room environment detection unit uses RJ45 The network port sends the corresponding information to the connected server through the MODBUS protocol of the serial port communication of the switch. 2.根据权利要求1所述的直流电源系统的远程检测监测系统，其特征在于所述的充电机监控模块、蓄电池巡检模块、绝缘检测模块、蓄电室环境检测单元的数据收集到服务器后，在服务器中形成SQL数据库。2. The remote detection and monitoring system of the DC power supply system according to claim 1, characterized in that the data of the charger monitoring module, the battery inspection module, the insulation detection module, and the storage room environment detection unit are collected from the server , forming a SQL database in the server. 3.一种利用权利要求1或2所述直流电源系统的远程检测监测系统进行远程检测方法，其特征在于所述的远程检测方法是：通过远程PC机经服务器对直流电源系统的蓄电池、充电机、绝缘监测系统以及蓄电池室温湿度及工作场所进行检测，实现故障诊断及生成故障处理策略，同时具备蓄电池组漏投报警功能，防止市电消失时造成直流系统崩溃。3. A remote detection method using the remote detection and monitoring system of the DC power supply system described in claim 1 or 2, characterized in that the remote detection method is: through the remote PC through the server to the storage battery and charging of the DC power supply system Machine, insulation monitoring system, battery room temperature and humidity, and workplace are detected to realize fault diagnosis and generate fault handling strategies. At the same time, it has the alarm function of battery pack leakage to prevent the DC system from collapsing when the mains power disappears. 4.根据权利要求3所述的直流电源系统的远程检测方法，其特征在于所述的服务器利用vb.net程序编制了“直流系统远程监测系统”，包含直流一览图、充电机数据、蓄电池数据、绝缘监测、历史数据等几项功能；全面实现对直流系统蓄电池、充电并利机、直流接地监测系统、蓄电池室温湿度及视频的远程监测及故障自诊断功能，同时通过远程检测监测系统自动判断直流设备运行状态，并比较蓄电池组总电压与直流母线电压差，来实现蓄电池组漏投判据及报警功能；各类报警及故障信息在“直流系统远程监测系统”的“报警一览表中”呈现；运维人员通过远程PC登录服务器后，对直流系统的运行状态一目了然。4. The remote detection method of a DC power supply system according to claim 3, characterized in that said server utilizes a vb.net program to compile a "DC system remote monitoring system", which includes a DC overview, charger data, and storage battery data , insulation monitoring, historical data and other functions; fully realize the remote monitoring and fault self-diagnosis functions of the DC system battery, charging machine, DC grounding monitoring system, battery room temperature humidity and video, and automatically through the remote detection monitoring system Judging the running state of the DC equipment, and comparing the total voltage of the battery pack with the voltage difference of the DC bus bar, to realize the battery pack leak criterion and alarm function; various alarms and fault information are in the "alarm list" of the "DC system remote monitoring system" Presentation: After the operation and maintenance personnel log in to the server through a remote PC, they can see the running status of the DC system at a glance.
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Application publication date: 20170818