摘要：【中文】本发明提出一种电脑主机清洁工具，所述工具包括：呈屋顶状的清洁操作仓、主机放置箱、设置于主机放置箱一侧的气压平衡仓及设置于主机放置箱另一侧的泄压仓；所述清洁操作仓设置于所述主机放置箱的上端，清洁操作仓的底端与主机放置箱连接贯通，清洁操作仓的顶端设有用于连接鼓风机吹气筒的清洁操作孔；所述气压平衡仓、主机放置箱及泄压仓依次连接贯通，远离主机放置箱的气压平衡仓一端设有用于过滤污浊空气的平衡过滤器，远离主机放置箱的泄压仓一端设有用于连接吸尘器抽风筒的泄压操作孔。本发明基于上述电脑主机清洁工具还提出一种电脑主机清洁方法，操作简单，除尘效果好且不会产生二次污染。 【EN】The invention provides a cleaning tool for a computer host, which comprises: the device comprises a roof-shaped cleaning operation bin, a host placing box, an air pressure balancing bin arranged on one side of the host placing box and a pressure relief bin arranged on the other side of the host placing box; the cleaning operation bin is arranged at the upper end of the host placing box, the bottom end of the cleaning operation bin is communicated with the host placing box, and a cleaning operation hole for connecting an air blower cylinder of an air blower is formed in the top end of the cleaning operation bin; the case is placed to atmospheric pressure balance storehouse, host computer and the pressure release storehouse connects gradually and link up, keeps away from the host computer and places the atmospheric pressure balance storehouse one end of case and be equipped with the balanced filter that is used for filtering dirty air, keeps away from the host computer and places the pressure release storehouse one end of case and be equipped with the pressure release handle hole that is used for connecting the dust catcher suction tube. The invention also provides a cleaning method of the computer host based on the cleaning tool of the computer host, which is simple to operate, has good dust removal effect and cannot generate secondary pollution.

摘要：【中文】本发明提出一种高压开关柜局部放电臭氧在线监测装置，包括供电电源、壳体、臭氧感应设备、连通管、空气泵、控制器、监控上位机及便于工作人员现场读取数据的移动设备；连通管设置于壳体的一侧且与高压开关柜内部连接贯通，空气泵设置于壳体的下端；控制器设置于壳体的上端；供电电源穿过壳体分别电连接臭氧感应设备、控制器及空气泵；臭氧感应设备电连接控制器，空气泵也电连接控制器；控制器分别与监控上位机、移动设备无线通信连接，将告警信息传输至监控上位机且将局部放电信息传输至移动设备。本发明提出的高压开关柜局部放电臭氧在线监测装置监测准确且能对局部放电现象进行告警。 【EN】The invention provides a high-voltage switch cabinet partial discharge ozone online monitoring device, which comprises a power supply, a shell, ozone induction equipment, a communicating pipe, an air pump, a controller, a monitoring upper computer and mobile equipment convenient for workers to read data on site, wherein the shell is provided with a power supply port; the communicating pipe is arranged on one side of the shell and communicated with the interior of the high-voltage switch cabinet, and the air pump is arranged at the lower end of the shell; the controller is arranged at the upper end of the shell; the power supply penetrates through the shell and is respectively and electrically connected with the ozone induction equipment, the controller and the air pump; the ozone induction equipment is electrically connected with the controller, and the air pump is also electrically connected with the controller; the controller is in wireless communication connection with the monitoring upper computer and the mobile device respectively, transmits the alarm information to the monitoring upper computer and transmits the partial discharge information to the mobile device. The high-voltage switch cabinet partial discharge ozone online monitoring device provided by the invention is accurate in monitoring and can alarm the partial discharge phenomenon.

摘要：【中文】本发明涉及一种馈线合环实时相角测量装置及测量方法，所述装置包括主机和从机，主从机分别带有采样模块、电压取样放大电路、测量电路、中央处理器、同步接口,主机另带有输出控制电路、继电器。所述方法包括：S1：测量主机启动测量前发送同步命令给测量从机，测量从机接收完成后，向测量主机回复同步响应命令，记录同步命令和回复同步命令发出和接收时刻；S2：计算测量主机和测量从机的时钟偏移和传输延迟；S3：调整主从机时钟同步，并设定下一次测量启动时刻；S4：启动测量；S5：主机计算测量从机与测量主机间各通道的幅值、相位等电参数或信号间的关系，并控制输出电路输出结果。本发明可为合环馈线两侧的相角差测量提供方便。 【EN】The invention relates to a feeder loop closing real-time phase angle measuring device and a measuring method. The method comprises the following steps: s1: the method comprises the steps that a synchronous command is sent to a measuring slave computer before the measuring master computer starts measuring, after the measuring slave computer finishes receiving, a synchronous response command is replied to the measuring master computer, and sending and receiving moments of the synchronous command and the replied synchronous command are recorded; s2: calculating clock offset and transmission delay of the measuring host and the measuring slave; s3: adjusting the clock synchronization of the master machine and the slave machine, and setting the starting time of the next measurement; s4: starting measurement; s5: the host computer calculates the relation between the amplitude, phase and other electrical parameters or signals of each channel between the measuring slave computer and the measuring host computer, and controls the output circuit to output the result. The invention can provide convenience for measuring the phase angle difference of the two sides of the loop closing feeder line.

摘要：【中文】本发明涉及电力系统设备保护技术领域，更具体地，涉及一种母线接头绝缘套件及其安装方法，包括用于包裹母线接头的包裹片，所述包裹片的两对接边缘连接形成筒状结构，所述筒状结构的两端均可拆卸连接有密封件。本发明使用方便，便于拆装，能够提高工作效率，且能够用于保护母线接头，防止接头外露被侵蚀氧化，保证电网的安全运行。 【EN】The invention relates to the technical field of power system equipment protection, in particular to a bus joint insulation sleeve and an installation method thereof. The invention has convenient use and disassembly, can improve the working efficiency, can be used for protecting the bus joint, prevents the joint from being exposed, corroded and oxidized and ensures the safe operation of a power grid.

摘要：【中文】本发明公开了一种基于变压器允许过载能力保护的配变保护测控装置，包括主单元以及若干子单元，主单元安装在配变处，若干子单元分别安装在配变低压出线处，所述主单元包括数据获取模块，数据获取模块用于获取配电负荷电流，每个子单元包括电流获取模块，电流获取模块用于获取各低压出线电流，所述主单元还包括处理器，所述处理器采用能量积分过载保护算法，根据配电负荷电流判定当前配变运行是否超过配电的允许过载能力，如果超过，则根据子单元获取的各低压出线电流，主单元有选择的向子单元发送跳闸指令，子单元配合低压分路开关进行跳闸。本发明利用能量积分过载保护算法，在不影响配变寿命的情况下最大限度的保证供电，实现配变的过载保护。 【EN】The invention discloses a distribution transformer protection measurement and control device based on transformer overload capacity allowance protection, which comprises a main unit and a plurality of sub-units, wherein the main unit is arranged at a distribution transformer, the sub-units are respectively arranged at distribution transformer low-voltage outgoing lines, the main unit comprises a data acquisition module, the data acquisition module is used for acquiring distribution load current, each sub-unit comprises a current acquisition module, the current acquisition module is used for acquiring each low-voltage outgoing line current, the main unit also comprises a processor, the processor adopts an energy integration overload protection algorithm, whether the current distribution transformer operation exceeds the distribution overload capacity allowance or not is judged according to the distribution load current, if the current distribution transformer operation exceeds the distribution overload capacity allowance, the main unit selectively sends a tripping instruction to the sub-units according to each low-voltage outgoing line current acquired by the sub-units, and the sub-units are. The invention utilizes the energy integral overload protection algorithm to ensure power supply to the maximum extent under the condition of not influencing the service life of the distribution transformer, thereby realizing the overload protection of the distribution transformer.

摘要：【中文】本发明涉及一种电池活化控制方法，包括以下步骤：在主控单元中预先设定活化参数；检测电路采集蓄电池组的活化数据；主控单元根据检测电路采集的活化数据，判断是否达到活化条件，未达到活化条件时，输入电流同时为蓄电池组充电和为负载供电，达到活化条件时，输入电流断开，蓄电池组为负载供电，达到停止活化条件时，输入电流同时为蓄电池组充电和为负载供电；蓄电池组执行放电过程；主控单元计算电池组放电过程中的相关数据并显示在显示电路中。本发明通过开关控制电路能够灵活控制输入交流电源和蓄电池组的连接和断开，保证系统安全性；采用检测电路，检测精确、响应速度快，在电池活化与检测时，不会对后级负载的供电造成中断，安全性高。 【EN】The invention relates to a battery activation control method, which comprises the following steps: presetting activation parameters in a main control unit; the detection circuit collects the activation data of the storage battery pack; the main control unit judges whether an activation condition is reached or not according to activation data acquired by the detection circuit, when the activation condition is not reached, input current simultaneously charges the storage battery pack and supplies power to a load, when the activation condition is reached, the input current is disconnected, the storage battery pack supplies power to the load, and when the activation condition is stopped, the input current simultaneously charges the storage battery pack and supplies power to the load; the storage battery pack executes a discharging process; the main control unit calculates relevant data in the battery pack discharging process and displays the data in the display circuit. According to the invention, the connection and disconnection of the input alternating current power supply and the storage battery pack can be flexibly controlled through the switch control circuit, so that the system safety is ensured; the detection circuit is adopted, so that the detection is accurate, the response speed is high, the power supply of the rear-stage load cannot be interrupted when the battery is activated and detected, and the safety is high.

摘要：【中文】本发明公开一种适用于变电站电缆沟的水位监测与控制系统，包括水位监测装置、后台控制终端和档位控制电路；水位监测装置与后台控制终端分别与档位控制电路电性连接；水位监测装置用于监测水位，档位控制电路用于监测档位与控制电机，后台控制终端用于显示档位状态。本发明实现了对变电站电缆沟水位的实时监测，并在后台监控终端显示，避免人员翻开电缆沟检查水位；水位监测装置与档位控制电路根据水位自动启动电机排水，在水被排尽时自动关闭电机，避免了电缆长期浸在水里的情况；可以手动启动电机进行抽水，操作人员可以通过后台控制终端对系统进行控制；当遭遇极端天气时，电机与排水沟共同排水，降低变电站被淹导致设备停运的可能性。 【EN】The invention discloses a water level monitoring and controlling system suitable for a cable trench of a transformer substation, which comprises a water level monitoring device, a background control terminal and a gear control circuit, wherein the water level monitoring device is connected with the background control terminal; the water level monitoring device and the background control terminal are respectively electrically connected with the gear control circuit; the water level monitoring device is used for monitoring the water level, the gear control circuit is used for monitoring gears and controlling the motor, and the background control terminal is used for displaying the gear state. The invention realizes the real-time monitoring of the water level of the cable trench of the transformer substation, and the water level is displayed on a background monitoring terminal, so that a person is prevented from turning the cable trench to check the water level; the water level monitoring device and the gear control circuit automatically start the motor to drain water according to the water level, and automatically close the motor when the water is drained, so that the situation that the cable is immersed in the water for a long time is avoided; the motor can be started manually to pump water, and an operator can control the system through the background control terminal; when the transformer substation is exposed to extreme weather, the motor and the drainage ditch drain water together, and the possibility that the transformer substation is flooded to cause equipment outage is reduced.

摘要：【中文】本发明提出一种改进的电缆搪铅方法，包括以下步骤：将预搪铅模具固定于电缆护套的顶端；沿预搪铅模具的端口向预搪铅模具中匀速注入熔融状态的搪铅料；待预搪铅管体冷却后，取下预搪铅模具；锯出若干个空气叉口；将电缆中间接头的一端伸入搪铅管体的管腔，利用锤子敲打搪铅管体的顶端，使顶端与电缆中间接头另一端的外侧面卡紧；对搪铅管体加温。本发明克服了传统电缆搪铅方法需要工作人员同时对电缆中间接头和电缆护套两者进行搪铅的弊端，降低了对工作人员的搪铅工艺技术的要求，提高了工作人员的工作效率，进一步提高了搪铅完成的质量和电缆中间接头的寿命。 【EN】The invention provides an improved cable lead-coating method, which comprises the following steps: fixing a pre-lead-lined mould on the top end of the cable sheath; injecting molten lead lining material into the pre-lead lining mould at a constant speed along the port of the pre-lead lining mould; after the pre-lead-lined pipe body is cooled, taking down the pre-lead-lined mould; sawing a plurality of air fork openings; one end of the cable intermediate joint extends into a tube cavity of the lead-lined tube body, and the top end of the lead-lined tube body is knocked by a hammer to enable the top end to be tightly clamped with the outer side face of the other end of the cable intermediate joint; heating the lead-lined pipe body. The method overcomes the defect that the traditional cable lead-enameling method needs workers to enamel both the cable intermediate joint and the cable sheath at the same time, reduces the requirements on the lead-enameling process technology of the workers, improves the working efficiency of the workers, and further improves the quality of lead-enameling completion and the service life of the cable intermediate joint.

摘要：【中文】本发明公开一种利用GIS模型定位配网线路联络点开关方法，本发明提出的利用GIS模型定位配网线路联络点开关方法，利用GIS模型，将配电网线路的拓扑连接关系、设备信息、开关及刀闸的分合情况，通过CIM模型传送给外围的其他系统进行电网分析，快速定位配网线路联络点开关，减少工作量。 【EN】The invention discloses a method for positioning a switch of a distribution network line contact point by utilizing a GIS model, which utilizes the GIS model to position the switch of the distribution network line contact point, and transmits the topological connection relation of the distribution network line, equipment information, the on-off condition of a switch and a disconnecting link to other peripheral systems for power grid analysis by utilizing the GIS model, thereby quickly positioning the switch of the distribution network line contact point and reducing the workload.

摘要：【中文】本发明提供一种山地地区输电线路反击跳闸率测试方法，其特征在于，搭建了一个测试平台，测试平台包括无线电流传感器、冲击电压发生器、控制及测量分析系统、杆塔一、杆塔二、杆塔三、同轴电缆、避雷线一、避雷线二、A相输电线路、B相输电线路、C相输电线路，分别对高、较高以及特高土壤电阻率区域杆塔耐雷水平值进行测试和理论值计算，再采用粒子群优化算法对耐雷水平计算公式进行优化，最后利用优化后的耐雷水平计算公式计算反击跳闸率。本发明的有益效果在于利用粒子群算法能够更加真实可靠地对山地地区输电线路反击跳闸率进行测试。 【EN】The invention provides a method for testing counterattack tripping rate of a power transmission line in mountain areas, which is characterized in that a test platform is built, the test platform comprises a wireless current sensor, an impulse voltage generator, a control and measurement analysis system, a first tower, a second tower, a third tower, a coaxial cable, a first lightning conductor, a second lightning conductor, an A-phase power transmission line, a B-phase power transmission line and a C-phase power transmission line, lightning resistance level values of the towers in high, high and ultrahigh soil resistivity areas are respectively tested and calculated according to theoretical values, a particle swarm optimization algorithm is adopted to optimize a lightning resistance level calculation formula, and finally the optimized lightning resistance level calculation formula is used for calculating the counterattack tripping rate. The method has the beneficial effect that the back-attack tripping rate of the transmission line in the mountain area can be more truly and reliably tested by utilizing the particle swarm algorithm.