当前查询到46条专利与查询词 "【中文】国网山西省电力公司电力科学研究院【EN】ELECTRIC POWER RESEARCH INSTITUTE, STATE GRID SHANXI ELECTRIC POWER Co."相关,搜索用时0.5068223秒!排序方式:
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申请号:201911308178.1 公开号:CN110987075A 主分类号:G01D21/02
摘要:【中文】本发明提供了一种基于物联网的智能电力设备全寿命周期综合监测预警系统,包括:传感器群、就地监测单元和电力设备综合诊断平台;其中:传感器群,包括用于变压器、开关柜、电力电缆、GIS等一次设备状态检测的多种传感器;就地监测单元,用于连接传感器群,并接入到物联网中;电力设备综合诊断平台,依靠物联网接入,实现数据的采集、存储与管理、综合分析,系统给出设备的诊断结果,能够执行预定的故障排除和维护计划。本发明的系统能够使得站内的一二次设备的在线检测数据,能够通过无线物联网手段,直接传送的远端的电力设备综合诊断平台,支撑“泛在电力物联网”建设。 【EN】The invention provides an intelligent power equipment full-life cycle comprehensive monitoring and early warning system based on the Internet of things, which comprises: the system comprises a sensor group, an on-site monitoring unit and a power equipment comprehensive diagnosis platform; wherein: the sensor group comprises various sensors for detecting the state of primary equipment such as a transformer, a switch cabinet, a power cable and a GIS; the local monitoring unit is used for connecting the sensor group and accessing the sensor group into the Internet of things; the comprehensive diagnosis platform for the power equipment realizes the acquisition, storage, management and comprehensive analysis of data by means of the access of the Internet of things, and can execute a preset fault elimination and maintenance plan by giving the diagnosis result of the equipment by a system. The system can enable online detection data of primary and secondary equipment in the station to be directly transmitted through a wireless Internet of things means to support construction of a ubiquitous power Internet of things through a remote power equipment comprehensive diagnosis platform.
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申请号:201911307410.X 公开号:CN111030867A 主分类号:H04L12/24
摘要:【中文】本发明公开了基于拨码开关的通讯采集装置,包括:通讯数据库模块、IEC61850模型处理模块和至少一个通讯接口单元,所述通讯接口单元包括:通讯接口模块、通讯协议处理程序模块和拨码开关。通讯接口模块与一台或多台同一型号通讯设备连接,所述通讯接口模块和拨码开关接入通讯协议处理程序模块;所有通讯接口单元的通讯协议处理程序模块均连接至通讯数据库模块;通讯数据库模块连接至模型处理模块。本发明同时提出了相应的通讯协议免配置方法。本发明实现通讯采集装置的即插即用,通讯采集装置更换无需通过通讯配置程序配置参数、选择通讯协议处理程序模块,运维人员即可完成通讯采集装置更换,减少维护工作量,提高运检工作效率。 【EN】The invention discloses a communication acquisition device based on a dial switch, which comprises: communication database module, IEC61850 model processing module and at least one communication interface unit, communication interface unit includes: the device comprises a communication interface module, a communication protocol processing program module and a dial switch. The communication interface module is connected with one or more communication devices of the same type, and the communication interface module and the dial switch are accessed to a communication protocol processing program module; the communication protocol processing program modules of all the communication interface units are connected to the communication database module; the communication database module is connected to the model processing module. The invention also provides a corresponding communication protocol configuration-free method. The invention realizes the plug-and-play of the communication acquisition device, the communication acquisition device can be replaced without configuring parameters through a communication configuration program and selecting a communication protocol processing program module, and operation and maintenance personnel can complete the replacement of the communication acquisition device, thereby reducing the maintenance workload and improving the operation and maintenance efficiency.
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申请号:201911308200.2 公开号:CN111010301A 主分类号:H04L12/24
摘要:【中文】本发明提供一种第三代智能变电站辅助就地模块及其免配置方法,包括:数码管以及按键、装置编码处理单元、站控层通信地址处理单元、站控层61850配置文件CID处理单元;通过数码管显示就地模块的装置编号,通过按键整定装置编号,站控层通信地址处理单元和站控层61850配置文件CID处理单元根据整定的装置编号对通信地址和配置文件CID中的IEDName字段自动修改。本发明的方案在变电站运维检修过程中,更换辅助设备就地模块时,仅需要通过按键整定为原有就地模块的地址,无需在通过笔记本下载IEC61850配置文件CID,即可实现与后台的通信,实现设备的即插即用,大大提高检修的效率。 【EN】The invention provides an auxiliary on-site module of a third-generation intelligent substation and a configuration-free method thereof, wherein the method comprises the following steps: the system comprises a nixie tube, keys, a device coding processing unit, a station control layer communication address processing unit and a station control layer 61850 configuration file CID processing unit; the device number of the local module is displayed through a nixie tube, the device number is set through a key, and the IEDName fields in the communication address and the configuration file CID are automatically modified by the station control layer communication address processing unit and the station control layer 61850 configuration file CID processing unit according to the set device number. According to the scheme, in the operation and maintenance process of the transformer substation, when the on-site module of the auxiliary equipment is replaced, communication with a background can be realized only by setting the address of the original on-site module through the key and downloading the IEC61850 configuration file CID through the notebook computer, plug and play of the equipment is realized, and the maintenance efficiency is greatly improved.
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申请号:201811194874.X 公开号:CN111049177A 主分类号:H02J3/38
摘要:【中文】本发明提供一种直驱风机虚拟同步发电系统,包括:系统由新能源并网系统和变流器控制单元组成,变流器控制单元机侧变流器控制单元、网侧变流器控制单元和直流储能变换器控制单元。本发明通过机侧变流器控制单元、直流储能变换器控制单元调节直流母线电压,通过网侧变流器控制单元实现最大风能跟踪,网侧变流器控制单元对外展示的虚拟惯性由风轮惯性、中间直流环节惯性、直流储能惯性组成,在实现最大功率点跟踪的同时能够辅助电网调压、调频,能够呈现类似传统电机惯性,提高电网系统的稳定性。 【EN】The invention provides a direct-drive fan virtual synchronous power generation system, which comprises: the system consists of a new energy grid-connected system and a converter control unit, wherein the converter control unit comprises a machine side converter control unit, a grid side converter control unit and a direct current energy storage converter control unit. According to the invention, the direct-current bus voltage is regulated through the machine side converter control unit and the direct-current energy storage converter control unit, the maximum wind energy tracking is realized through the grid side converter control unit, the virtual inertia displayed by the grid side converter control unit is composed of wind wheel inertia, intermediate direct-current link inertia and direct-current energy storage inertia, the maximum power point tracking is realized, meanwhile, the voltage regulation and frequency modulation of a power grid can be assisted, the inertia similar to the inertia of a traditional motor can be presented, and the stability of a power grid system is improved.
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申请号:201911246313.4 公开号:CN110987785A 主分类号:G01N17/02
摘要:【中文】本发明公开了一种电化学测试防腐涂层性能的便捷检测装置及组装方法,解决了电化学测试防腐涂层性能时所使用的电解池不易组装和操作使用不方便的问题。在测试桶(7)的外侧壁的中部固定设置有悬挑檐板(9),在测试桶的桶底上设置有圆形孔(8),在圆形孔(8)外侧的桶底面上设置有O形密封圈嵌入凹槽(5),在O形密封圈嵌入凹槽(5)中设置有O形密封圈(6),在顶升板(4)的顶端面上放置有防腐涂层试样(16),在防腐涂层试样(16)上设置有测试桶,测试桶(7)的上部卡接在U形卡接口(11)中,测试桶的外侧壁中部固定设置的悬挑檐板(9)设置在L形支架框(10)的顶端水平框的下方。整个测试装置结构紧凑,使用方便。 【EN】The invention discloses a convenient detection device and an assembly method for electrochemically testing the performance of an anticorrosive coating, and solves the problems that an electrolytic cell used in the electrochemical testing of the performance of the anticorrosive coating is not easy to assemble and inconvenient to operate and use. The middle part of the outer side wall of the test barrel (7) is fixedly provided with an overhanging eave plate (9), the barrel bottom of the test barrel is provided with a round hole (8), the barrel bottom surface outside the round hole (8) is provided with an O-shaped sealing ring embedding groove (5), the O-shaped sealing ring (6) is arranged in the O-shaped sealing ring embedding groove (5), an anti-corrosion coating sample (16) is placed on the top end surface of the jacking plate (4), the test barrel is arranged on the anti-corrosion coating sample (16), the upper part of the test barrel (7) is clamped in a U-shaped clamping port (11), and the overhanging eave plate (9) fixedly arranged in the middle part of the outer side wall of the test barrel is arranged below the top horizontal frame of the L-shaped support frame (10). The whole testing device has compact structure and convenient use.
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申请号:201911246326.1 公开号:CN110989702A 主分类号:G05D11/08
摘要:【中文】本发明公开了一种六氟化硫气体微水超标在线带电处理装置及处理方法,解决了现有的处理方法所存在的费时费力和容易形成停电损失的问题。将快速拔插接头(13)插接在SF6电气设备的充排气口中,打开第三手动阀(18)和第一手动阀(15),使SF6电气设备中的SF6气体进入到第一SF6气体压力容器(1)中,启动第一气体循环泵(5)和第一SF6气体微水检测仪(3),对SF6气体的微水含量进行检测,若大于允许值,则打开第二手动阀、第四手动阀、第六手动阀、第五手动阀和第七手动阀,并开启第三气体循环泵(12),通过吸附罐对SF6电气设备中和第一SF6气体压力容器中的SF6气体中的水分进行处理。操作安全简单方便。 【EN】The invention discloses an online electrified treatment device and method for exceeding the standard of sulfur hexafluoride gas micro-water, and solves the problems of time and labor waste and easy power failure loss of the existing treatment method. The quick plug-pull joint (13) is plugged in SF6In the charging/discharging port of the electric equipment, the third manual valve (18) and the first manual valve (15) are opened to allow SF to flow6SF in electrical equipment6Gas is introduced into the first SF6In the gas pressure vessel (1), a first gas circulation pump (5) and a first SF are started6Gas micro water detector (3)To SF6Detecting the micro-water content of the gas, if the micro-water content is larger than an allowable value, opening a second manual valve, a fourth manual valve, a sixth manual valve, a fifth manual valve and a seventh manual valve, starting a third gas circulating pump (12), and carrying out SF gas adsorption through an adsorption tank6Neutralizing a first SF in an electrical device6SF in gas pressure vessels6The moisture in the gas is treated. The operation is safe, simple and convenient.
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申请号:201911262019.2 公开号:CN110987544A 主分类号:G01N1/24
摘要:【中文】本发明公开了一种单管式多点位火电厂矩形烟道烟气采样装置及采样方法,解决了如何很好地适应不同烟道采样要求进一步提高采样精准程度的问题。在采样管依托杆(2)与采样管(3)之间设置有定位卡(6),在采样管(3)上等间隔地设置有采样管进气口(4),在采样管进气口(4)上设置有入口口径可调的采样气体进入阀(5);在连接锅炉烟道采样孔法兰盘(9)上设置有连接螺栓嵌入凹槽(10);在连接锅炉烟道采样孔法兰盘(9)上还设置有采样管的锁紧螺母(17)。可以更好服务环保装置的调节和设备状态的判别,降低设备运维成本,提高设备的管理水平。 【EN】The invention discloses a rectangular flue gas sampling device and a sampling method for a single-pipe multipoint thermal power plant, and solves the problem of how to well adapt to different flue sampling requirements to further improve the sampling accuracy. A positioning clamp (6) is arranged between the sampling pipe supporting rod (2) and the sampling pipe (3), sampling pipe air inlets (4) are arranged on the sampling pipe (3) at equal intervals, and a sampling gas inlet valve (5) with an adjustable inlet caliber is arranged on the sampling pipe air inlet (4); a flange plate (9) connected with a sampling hole of a boiler flue is provided with a connecting bolt embedded groove (10); and a locking nut (17) of the sampling pipe is also arranged on the flange plate (9) connected with the sampling hole of the boiler flue. The environmental protection device can be better served for adjustment and judgment of the equipment state, the equipment operation and maintenance cost is reduced, and the equipment management level is improved.
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申请号:201911319942.5 公开号:CN110988772A 主分类号:G01R35/00
摘要:【中文】本发明公开了一种紫外成像仪的校验比对电路,解决了如何对紫外成像仪进行有效的校验比对的问题。380伏电源系统(1)通过高压电缆(2)与变频电源(3)的输入端连接,励磁变压器(4)的输出端通过加压线(6)与电抗器(5)的低压端连接,电抗器(5)的高压端通过无晕导线(8)与分压器(11)的高压端连接,无局部放电的励磁变压器(4)的高压尾端、分压器(11)的地端和检测阻抗(12)的地端,均通过接地屏蔽线(9)与接地端(10)连接;在无晕导线(8)上设置有微小破口毛刺点(15),同轴电缆(13)的另一端与局部放电测试仪(14)的输入端连接。实现对带电检测仪器紫外成像仪的入网检测工作。 【EN】The invention discloses a verification comparison circuit of an ultraviolet imager, which solves the problem of how to effectively verify and compare the ultraviolet imager. The 380V power supply system (1) is connected with the input end of a variable frequency power supply (3) through a high-voltage cable (2), the output end of an exciting transformer (4) is connected with the low-voltage end of an electric reactor (5) through a voltage adding line (6), the high-voltage end of the electric reactor (5) is connected with the high-voltage end of a voltage divider (11) through a non-corona lead (8), and the high-voltage tail end of the exciting transformer (4) without partial discharge, the ground end of the voltage divider (11) and the ground end of a detection impedance (12) are connected with a ground end (10) through a ground shielding line (9); a tiny crevasse burr point (15) is arranged on the non-corona lead (8), and the other end of the coaxial cable (13) is connected with the input end of a partial discharge tester (14). The network access detection work of the ultraviolet imager of the charged detector is realized.
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申请号:201911319951.4 公开号:CN110988773A 主分类号:G01R35/00
摘要:【中文】本发明公开了一种紫外成像仪的校验比对方法,解决了如何对紫外成像仪进行有效的校验比对的问题。380伏电源系统(1)通过高压电缆(2)与变频电源(3)的输入端连接,励磁变压器(4)的输出端通过加压线(6)与电抗器(5)的低压端连接,电抗器(5)的高压端通过无晕导线(8)与分压器(11)的高压端连接,无局部放电的励磁变压器(4)的高压尾端、分压器(11)的地端和检测阻抗(12)的地端,均通过接地屏蔽线(9)与接地端(10)连接;在无晕导线(8)上设置有微小破口毛刺点(15),同轴电缆(13)的另一端与局部放电测试仪(14)的输入端连接。实现对带电检测仪器紫外成像仪的入网检测工作。 【EN】The invention discloses a verification and comparison method of an ultraviolet imager, which solves the problem of how to effectively verify and compare the ultraviolet imager. The 380V power supply system (1) is connected with the input end of a variable frequency power supply (3) through a high-voltage cable (2), the output end of an exciting transformer (4) is connected with the low-voltage end of an electric reactor (5) through a voltage adding line (6), the high-voltage end of the electric reactor (5) is connected with the high-voltage end of a voltage divider (11) through a non-corona lead (8), and the high-voltage tail end of the exciting transformer (4) without partial discharge, the ground end of the voltage divider (11) and the ground end of a detection impedance (12) are connected with a ground end (10) through a ground shielding line (9); a tiny crevasse burr point (15) is arranged on the non-corona lead (8), and the other end of the coaxial cable (13) is connected with the input end of a partial discharge tester (14). The network access detection work of the ultraviolet imager of the charged detector is realized.
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申请号:201911319968.X 公开号:CN110994456A 主分类号:H02G1/02
摘要:【中文】本发明公开了一种考虑风偏影响的输电线路保护角改造量的获取方法,解决了在输电线路进行保护角改造时如何准确地确定风偏影响下保护角改造量的问题。在输电杆塔横担上安装倾角传感器信号接收记录器(2),在输电塔(1)上的最外侧导线(6)的悬垂绝缘子串(5)上安装倾角传感器(4),将倾角传感器信号接收记录器(2)与倾角传感器(4)连接在一起;在输电线路运行中,通过倾角传感器信号接收记录器(2)实时监测悬垂绝缘子串(5)上的倾角传感器(4)所测得的悬垂绝缘子串(5)的风偏倾角,并记录所测得的最大的风偏倾角b;计算出最大风偏保护角a2。从而得到比较准确的风偏角改造量,指导输电线路保护角的改造。 【EN】The invention discloses a method for acquiring a protection angle modification amount of a power transmission line in consideration of wind deviation influence, which solves the problem of accurately determining the protection angle modification amount under the influence of the wind deviation when the protection angle modification of the power transmission line is carried out. Installing an inclination angle sensor signal receiving recorder (2) on a cross arm of a power transmission tower, installing an inclination angle sensor (4) on a suspension insulator string (5) of an outermost wire (6) on the power transmission tower (1), and connecting the inclination angle sensor signal receiving recorder (2) with the inclination angle sensor (4); during the operation of the power transmission line, monitoring the windage yaw inclination angle of the suspension insulator string (5) measured by an inclination sensor (4) on the suspension insulator string (5) in real time through an inclination sensor signal receiving recorder (2), and recording the measured maximum windage yaw inclination angle b; calculating the maximum windage yaw angle a2. Therefore, more accurate wind drift angle transformation amount is obtained, and transformation of the protection angle of the power transmission line is guided.
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