摘要：【中文】本发明涉及一种基于光信号变化的智能井盖损坏自动报警系统，该系统包括输入端光敏电阻模块、输出端光敏电阻模块、控制器模块和设置在井盖内部的光导纤维，输入端光敏电阻模块的信号输出端与控制器模块连接，输入端光敏电阻模块接收外部光信号，外部光信号还通过光导纤维传输至输出端光敏电阻模块，输出端光敏电阻模块的信号输出端与控制器模块连接，控制器模块通过比较输入端光敏电阻模块和输出端光敏电阻模块的信号强度来判断井盖的受损程度。本发明结构简单，能够在井盖的破损达到一定程度时自动报警来防止进一步造成损失。 【EN】The invention relates to an intelligent automatic well lid damage alarm system based on optical signal change, which comprises an input end photosensitive resistance module, an output end photosensitive resistance module, a controller module and optical fibers arranged in a well lid, wherein the signal output end of the input end photosensitive resistance module is connected with the controller module, the input end photosensitive resistance module receives an external optical signal, the external optical signal is also transmitted to the output end photosensitive resistance module through the optical fibers, the signal output end of the output end photosensitive resistance module is connected with the controller module, and the controller module judges the damage degree of the well lid by comparing the signal intensity of the input end photosensitive resistance module and the output end photosensitive resistance module. The manhole cover automatic alarming device is simple in structure, and can automatically alarm when the manhole cover is damaged to a certain extent so as to prevent further loss.

摘要：【中文】一种变压器分接头自动调节控制方法，包含如下步骤：将变压器铭牌参数输入到通信网关机内；调整时，根据母线电压的偏移量，设定一个母线电压值Ux，传送至厂站端的数据通信网关机中；通信网关机接收到调度监控系统下发的遥调指令后，更新采集到的变压器高压侧母线电压值U，以及主变低压侧和各配出线路的无功功率，并进行无功功率总和计算；通过通信网关机接收调度监控系统下发的母线电压设定值Ux后，与母线电压的当前值Ud进行对比：当通信网关机做出相应的升降档判断之后，向主变测控装置发出相应的遥控命令，由主变测控装置控制进行变压器分接头调整。该方法能够降低调度值班员调整变压器分接头时的工作量，提升整个调压过程的工作效率。 【EN】An automatic adjustment control method for a transformer tap comprises the following steps: inputting the parameter of a nameplate of the transformer into a communication gateway machine; during adjustment, a bus voltage value Ux is set according to the offset of the bus voltage and is transmitted to a data communication gateway machine at a plant station end; after the communication gateway machine receives a remote regulation instruction sent by a dispatching monitoring system, the collected voltage value U of a bus at the high-voltage side of the transformer and the reactive power of the low-voltage side of the main transformer and each distribution line are updated, and the total reactive power is calculated; after receiving a bus voltage set value Ux issued by a dispatching monitoring system through a communication gateway machine, comparing the bus voltage set value Ux with a current value Ud of the bus voltage: and after the communication gateway machine judges the corresponding lifting gear, sending a corresponding remote control command to the main transformer measurement and control device, and controlling by the main transformer measurement and control device to adjust the tap joint of the transformer. The method can reduce the workload of a dispatching attendant in adjusting the tap joint of the transformer and improve the working efficiency of the whole voltage adjusting process.

摘要：【中文】本发明属于电力系统网络安全技术领域，具体为一种基于身份识别的电力系统网络安全防护方法、系统及装置。包括：终端访问电力系统网络安全防护系统，提交操作请求；对用户进行身份识别，识别成功后授权进行下一步，否则重新认证，多次认证失败后驳回操作请求；审查用户进行权限，确定用户权限范围，匹配权限范围和操作请求，匹配成功后授权进行下一步，否则要求用户提供匹配操作请求的用户权限，无法提供权限则驳回请求；对用户操作请求备案，录入电力系统网络安全防护系统；操作安全评估，对用户的操作备案安全评估，做出操作安全评估结果；根据操作安全评估结果，做出授权操作请求或驳回操作请求。本发明能够显著提高电力系统网络安全。 【EN】The invention belongs to the technical field of power system network security, and particularly relates to a power system network security protection method, system and device based on identity recognition. The method comprises the following steps: the terminal accesses the network security protection system of the power system and submits an operation request; carrying out identity identification on the user, authorizing to carry out the next step after successful identification, otherwise re-authenticating, and refusing the operation request after multiple authentication failures; checking the user permission, determining the user permission range, matching the permission range and the operation request, authorizing the next step after successful matching, or else, requiring the user to provide the user permission for matching the operation request, and refusing the request if the permission cannot be provided; recording a user operation request, and inputting a power system network safety protection system; operation safety assessment, namely performing operation record safety assessment on the user and making an operation safety assessment result; and making an authorization operation request or a rejection operation request according to the operation safety evaluation result. The invention can obviously improve the network security of the power system.

摘要：【中文】本发明公开了一种基于氨基磺酸的水井酸化洗井剂及其制备方法，先在搅拌条件下将氨基磺酸加入清水中，搅拌至完全溶解，然后加入十二烷基磺酸钠和聚丙烯酸，搅拌至完全溶解，即得。本发明利用氨基磺酸的酸性作用与岩石中的矿物发生反应，扩容含水介质的涌水通道，大大提高了单位涌水量，达到水井增产目的。本发明引入了十二烷基磺酸钠（阴离子表面活性剂），增强氨基磺酸的活性，并加入聚丙烯酸，有助于分散水井含水介质裂隙中的泥质成分，更有利于氨基磺酸酸蚀岩石。 【EN】The invention discloses a well acidification well washing agent based on sulfamic acid and a preparation method thereof. The invention utilizes the acidic action of sulfamic acid to react with minerals in rocks, expands water inrush channels of aqueous media, greatly improves unit water inrush and achieves the purpose of increasing the yield of a water well. The invention introduces sodium dodecyl sulfate (anionic surfactant) to enhance the activity of sulfamic acid, and adds polyacrylic acid to be beneficial to dispersing the argillaceous components in the water-containing medium fracture of the water well and to the acid etching of rocks by the sulfamic acid.

摘要：【中文】本发明提供了一种厂站级无功协调控制方法。该法包括：获取并网点电压；基于所述并网点电压判断所述并网点是否结束低电压穿越，如果已经结束则重置厂站级电压调节器和PI调节器参数；基于所述并网点电压和电压控制点参考电压得到光伏发电系统所需无功功率，并根据所述光伏发电系统所需无功功率，对无功补偿装置和各光伏发电单元进行无功补偿控制。本发明提供的技术方案聚焦系统过电压，制定相应的抑制光伏电站故障后过电压的无功协调控制策略，用于光伏电站稳态无功调压，同时解决光伏电站暂态故障后出现的短时过电压问题。 【EN】The invention provides a station-level reactive power coordination control method. The method comprises the following steps: acquiring a grid-connected point voltage; judging whether the grid-connected point finishes low voltage ride through or not based on the grid-connected point voltage, and resetting parameters of a station level voltage regulator and a PI regulator if the grid-connected point finishes low voltage ride through; and obtaining reactive power required by the photovoltaic power generation system based on the grid-connected point voltage and the voltage control point reference voltage, and performing reactive compensation control on a reactive compensation device and each photovoltaic power generation unit according to the reactive power required by the photovoltaic power generation system. The technical scheme provided by the invention focuses on the system overvoltage, and makes a corresponding reactive power coordination control strategy for inhibiting the overvoltage after the photovoltaic power station fault, so that the reactive power coordination control strategy is used for the steady-state reactive power voltage regulation of the photovoltaic power station and simultaneously solves the short-time overvoltage problem after the transient fault of the photovoltaic power station.