摘要：【中文】本发明公开了一种基于云端的低慢小目标快速检测与跟踪装置。包括：光电探测设备、数据存储设备、数据发射设备、云端服务器、数据接收设备、数据处理与控制计算机，所述光电探测设备采集图像，所述光电探测设备依次连接数据存储设备、数据发射设备、云端服务器、数据接收设备、数据处理与控制计算机，所述数据处理与控制计算机根据云端服务器的检测结果输出控制参数，所述控制参数用于控制光探测设备。该方案解决光电探测技术在图像采集和处理中速度较慢的问题，实现对低慢小目标的快速检测与跟踪；同时避免了在本地部署高算力和高成本的计算机或小型服务器，降低了光电探测装置的硬件成本。 【EN】The invention discloses a low-slow small target rapid detection and tracking device based on a cloud. The method comprises the following steps: photoelectric detection equipment, data storage equipment, data transmitting equipment, high in the clouds server, data receiving arrangement, data processing and control computer, photoelectric detection equipment gathers the image, photoelectric detection equipment connects gradually data storage equipment, data transmitting equipment, high in the clouds server, data receiving arrangement, data processing and control computer export control parameter according to the testing result of high in the clouds server, control parameter is used for controlling photoelectric detection equipment. The scheme solves the problem that the photoelectric detection technology is slow in image acquisition and processing, and realizes the rapid detection and tracking of low and slow small targets; meanwhile, a local computer or a small server with high computing power and high cost is avoided, and the hardware cost of the photoelectric detection device is reduced.

摘要：【中文】本发明属于聚烯烃材料领域，公开了一种低收缩率聚烯烃组合物及其制备方法和应用，该低收缩率聚烯烃组合物含有聚丙烯、聚乙烯、聚丁烯、石油树脂、无机粉体和加工助剂，其中，以聚丙烯的含量为100重量份计，聚乙烯的含量为10～30重量份，聚丁烯的含量为1～10重量份，石油树脂的含量为1～10重量份，无机粉体的含量为10～30重量份，加工助剂的含量为0.1～5重量份。本发明的聚烯烃组合物制得的聚丙烯材料适用于制备3D打印丝材，丝材直径均匀，表面光滑，打印产品收缩率低，产品外观好。 【EN】The invention belongs to the field of polyolefin materials, and discloses a low-shrinkage polyolefin composition, and a preparation method and application thereof, wherein the low-shrinkage polyolefin composition contains polypropylene, polyethylene, polybutylene, petroleum resin, inorganic powder and a processing aid, wherein the content of the polypropylene is 100 parts by weight, the content of the polyethylene is 10-30 parts by weight, the content of the polybutylene is 1-10 parts by weight, the content of the petroleum resin is 1-10 parts by weight, the content of the inorganic powder is 10-30 parts by weight, and the content of the processing aid is 0.1-5 parts by weight. The polypropylene material prepared from the polyolefin composition is suitable for preparing 3D printing wires, and has the advantages of uniform wire diameter, smooth surface, low shrinkage rate of printed products and good product appearance.

摘要：【中文】本发明属于聚丙烯材料领域，公开了一种低收缩率聚丙烯组合物及其制备方法和应用，该低收缩率聚丙烯组合物含有丙丁共聚聚丙烯、聚乙烯、石油树脂、纳米无机填料和加工助剂，其中，以丙丁共聚聚丙烯的含量为100重量份计，所述聚乙烯的含量为10～30重量份，所述石油树脂的含量为1～10重量份，所述纳米无机填料的含量为10～30重量份，所述加工助剂的含量为0.05～4重量份。本发明的聚丙烯组合物制得的聚丙烯材料适用于制备3D打印丝材，丝材直径均匀，表面光滑，打印产品收缩率低，产品外观好。 【EN】The invention belongs to the field of polypropylene materials, and discloses a low-shrinkage polypropylene composition, a preparation method and an application thereof, wherein the low-shrinkage polypropylene composition contains 10-30 parts by weight of polypropylene-butadiene copolymer, 1-10 parts by weight of petroleum resin, 10-30 parts by weight of nano inorganic filler and 0.05-4 parts by weight of processing aid, based on 100 parts by weight of polypropylene-butadiene copolymer. The polypropylene material prepared from the polypropylene composition is suitable for preparing 3D printing wires, the wires are uniform in diameter and smooth in surface, the printed product is low in shrinkage rate, and the product is good in appearance.

摘要：【中文】本发明涉及聚乙烯膜领域，具体地，涉及耐撕裂聚乙烯薄膜及其制备方法。该聚乙烯薄膜包括第一聚乙烯层和第二聚乙烯层，所述第一聚乙烯层由第一聚乙烯组合物和第一交联助剂经交联而得，所述第二聚乙烯层由第二聚乙烯组合物和第二交联助剂经交联而得。本发明提供的聚乙烯薄膜不仅具有较高的拉伸强度和穿刺强度，而且还具有较高的撕裂强度，是一种高强度的耐撕裂聚乙烯薄膜。 【EN】The invention relates to the field of polyethylene films, in particular to a tear-resistant polyethylene film and a preparation method thereof. The polyethylene film comprises a first polyethylene layer and a second polyethylene layer, wherein the first polyethylene layer is obtained by crosslinking a first polyethylene composition and a first crosslinking assistant, and the second polyethylene layer is obtained by crosslinking a second polyethylene composition and a second crosslinking assistant. The polyethylene film provided by the invention not only has higher tensile strength and puncture strength, but also has higher tearing strength, and is a high-strength tearing-resistant polyethylene film.

摘要：【中文】本发明公开了一种基于综合配电箱和高压传感器的配网线路故障检测方法，它包括：步骤1、将传感器安装在对应线路的A、B和C相上，利用无线传输将采集的数据输送到汇集模块；步骤2、汇集模块负责对三相传感器数据进行运算，就地判断出实际线路发生的故障类型以及故障点区段，汇集模块将最终计算结果或线路参数通过无线传输实时传送到综合配电箱；步骤3、综合配电箱将计算结果或线路参数无线传输至主站；解决了现有技术基于故障指示器特别是暂态录波型故障指示器的故障定位系统得到了广泛应用，但故障指示器产品无法实现单相接地故障的就地准确判断，接地故障检测准确率低等技术问题。 【EN】The invention discloses a distribution network line fault detection method based on a comprehensive distribution box and a high-voltage sensor, which comprises the following steps: step 1, mounting sensors on A, B and C phases of corresponding circuits, and transmitting acquired data to a collection module by wireless transmission; step 2, the collection module is responsible for calculating the data of the three-phase sensor, judging the fault type and the fault point section of the actual line on site, and transmitting the final calculation result or the line parameter to the comprehensive distribution box in real time through wireless transmission; step 3, the comprehensive distribution box wirelessly transmits the calculation result or the line parameter to a master station; the fault location system solves the technical problems that a fault location system based on a fault indicator, particularly a transient recording type fault indicator, in the prior art is widely applied, but a fault indicator product cannot realize accurate local judgment of single-phase earth faults, the earth fault detection accuracy is low, and the like.

摘要：【中文】本发明公开了一种配电自动化测试系统接地故障反演实现方法，它包括读取接地故障模拟波形文件文件；通过插值算法将波形文件中的采样频率转换为合适的采样频率；对相应通道的采样值进行比例缩放；从波形文件初始稳态第一个周波中获取采样点，通过FFT快速傅里叶变换算法计算得到波形初始稳态的幅值和初始相位角构造故障波形故障点前的补偿稳态；从波形文件末稳态的最后一个周波中获取采样点，通过FFT快速傅里叶变换算法计算得到波形末稳态的幅值和初始相位角此构造故障点后的补偿稳态；系统根据故障前补偿稳态、故障后补偿稳态和采样频率转换后的接地故障波形组合成接地故障反演状态序列；解决了测试效率低和灵活性较差等技术问题。 【EN】The invention discloses a method for realizing earth fault inversion of a distribution automation test system, which comprises the steps of reading an earth fault simulation waveform file; converting the sampling frequency in the waveform file into a proper sampling frequency through an interpolation algorithm; scaling the sampling values of the corresponding channels; acquiring sampling points from the first cycle of the initial steady state of the waveform file, and calculating by using an FFT (fast Fourier transform) algorithm to obtain the amplitude of the initial steady state of the waveform and the compensation steady state before the fault point of the initial phase angle structure fault waveform; acquiring a sampling point from the last cycle of the last stable state of the waveform file, and calculating by using an FFT (fast Fourier transform) algorithm to obtain the amplitude and the initial phase angle of the last stable state of the waveform file, namely the compensation stable state after the fault point is constructed; the system combines a ground fault inversion state sequence according to the compensation steady state before the fault, the compensation steady state after the fault and the ground fault waveform after the sampling frequency conversion; the technical problems of low testing efficiency, poor flexibility and the like are solved.

摘要：【中文】本公开涉及一种基于馈线联络组的配电网错误拓扑关系的验证方法及装置。该方法包括：确定馈线联络组内线路、台区以及用户设备的拓扑关系；获取馈线联络组内线路、台区以及用户设备的历史运行数据；根据历史运行数据以及拓扑关系，确定馈线联络组中台区与用户设备理论的带电状态；根据历史运行数据，确定馈线联络组中台区与用户设备实际的带电状态；根据理论的带电状态以及实际的带电状态，确定疑似错误的拓扑关系集合；对疑似错误的拓扑关系集合进行数据挖掘，得到馈线联络组内错误的拓扑关系。本公开实施例，能够较快速地、准确地确定馈线联络组内错误的拓扑关系，从而提升配电网拓扑关系的维护效率。 【EN】The disclosure relates to a verification method and device for a power distribution network error topological relation based on a feeder line contact group. The method comprises the following steps: determining the topological relation among lines, distribution areas and user equipment in a feeder line contact group; obtaining historical operation data of lines, distribution areas and user equipment in a feeder line contact group; according to historical operating data and a topological relation, determining the theoretical charged state of a distribution area and user equipment in a feeder line contact group; determining the actual charged states of the distribution area and the user equipment in the feeder line contact group according to historical operating data; determining a suspected wrong topological relation set according to a theoretical charged state and an actual charged state; and performing data mining on the suspected wrong topological relation set to obtain the wrong topological relation in the feeder line contact group. According to the embodiment of the invention, the wrong topological relation in the feeder line contact group can be determined more quickly and accurately, so that the maintenance efficiency of the topological relation of the power distribution network is improved.

摘要：【中文】本公开涉及一种配电网运行指标的预测方法及装置。该方法包括：确定与待预测的第一运行指标相关的第二运行指标集合的数值，第一运行指标和第二运行指标用于表征配电网的运行状态；将第二运行指标集合的数值输入训练好的随机森林模型，得到第一运行指标的预测结果。本公开实施例，通过配电网的历史运行数据能够确定配电网各运行指标的历史数值，并确定与第一运行指标相关的第二运行指标集合，根据第一运行指标以及第二运行指标集合的历史数值训练随机森林模型，训练好的随机森林模型能够较准确地根据第二运行指标集合的数值，确定第一运行指标的数值，从而能够快速地、准确地预测配电网的运行指标。 【EN】The disclosure relates to a method and a device for predicting operation indexes of a power distribution network. The method comprises the following steps: determining the numerical value of a second operation index set related to a first operation index to be predicted, wherein the first operation index and the second operation index are used for representing the operation state of the power distribution network; and inputting the numerical value of the second operation index set into the trained random forest model to obtain the prediction result of the first operation index. According to the method and the device for predicting the operation indexes of the power distribution network, the historical values of the operation indexes of the power distribution network can be determined through the historical operation data of the power distribution network, the second operation index set related to the first operation index is determined, the random forest model is trained according to the historical values of the first operation index set and the second operation index set, the trained random forest model can accurately determine the values of the first operation indexes according to the values of the second operation index set, and therefore the operation indexes of the power distribution network can be predicted quickly and accurately.

摘要：【中文】本公开涉及一种宽表生成方法及装置。该方法包括：在显示界面上显示与电力业务系统相关的多个数据表的信息；确定多个数据表中被选中的多个目标数据表；获取针对多个目标数据表的配置信息，其中，配置信息包括多个目标数据表之间的关联字段以及关联字段对应的关联关系；根据多个目标数据表之间的关联字段以及关联字段对应的关联关系，判断是否能够生成宽表；在能够生成宽表的情况下，生成宽表。本公开实施例，通过在显示界面上显示多个数据表，并确定被选中的多个目标数据表以及针对多个目标数据表的配置信息，判断能否生成宽表，并在能够生成宽表的情况下，生成宽表，从而实现可视化配置并生成宽表，降低生成宽表的操作复杂度。 【EN】The disclosure relates to a method and a device for generating a wide table. The method comprises the following steps: displaying information of a plurality of data tables related to the electric power service system on a display interface; determining a plurality of selected target data tables in the plurality of data tables; acquiring configuration information aiming at a plurality of target data tables, wherein the configuration information comprises association fields among the plurality of target data tables and association relations corresponding to the association fields; judging whether a wide table can be generated or not according to the associated fields among the target data tables and the associated relation corresponding to the associated fields; if the wide table can be generated, the wide table is generated. According to the embodiment of the disclosure, the plurality of data tables are displayed on the display interface, the selected plurality of target data tables and the configuration information aiming at the plurality of target data tables are determined, whether the wide table can be generated is judged, and the wide table is generated under the condition that the wide table can be generated, so that the wide table is generated through visual configuration, and the operation complexity of generating the wide table is reduced.

摘要：【中文】本公开涉及一种基于Lucene全文检索的配电网数据处理方法、装置。该方法包括：根据配电网拓扑连接关系，确定配电网的至少一个馈线联络组；获取每个馈线联络组中线路、台区和用户的关联数据，建立配电网数据库；基于Lucene全文检索对配电网数据库进行全文信息检索，按照预先设置的关键词进行分词，提取配电网数据库的关键信息并建立索引文件；基于索引文件在配电网数据库中对配电网中台区和线路的状态信息进行检索，并根据检索结果生成配电网中设备的状态信息集。本公开实施例所提供方法、装置，基于Lucene全文检索开展关键词挖掘分析，能够更好地确定配电网设备的状态，辅助配电网运维辅助决策，提高了信息利用率。 【EN】The disclosure relates to a power distribution network data processing method and device based on Lucene full-text retrieval. The method comprises the following steps: determining at least one feeder line contact group of the power distribution network according to the topological connection relation of the power distribution network; acquiring associated data of lines, transformer areas and users in each feeder line contact group, and establishing a power distribution network database; carrying out full-text information retrieval on a power distribution network database based on Lucene full-text retrieval, carrying out word segmentation according to preset keywords, extracting key information of the power distribution network database and establishing an index file; and retrieving the state information of the distribution area and the line in the power distribution network in a power distribution network database based on the index file, and generating a state information set of equipment in the power distribution network according to a retrieval result. The method and the device provided by the embodiment of the disclosure can better determine the state of the power distribution network equipment, assist the operation and maintenance aid decision of the power distribution network and improve the information utilization rate by developing the keyword mining analysis based on Lucene full-text retrieval.