因近程无人机飞行反应时间较短,出现数据采集功能智能化程度较低的问题,对基于深度强化学习的近程无人机数据采集方法进行研究.采用深度强化学习算法处理采集时的高维环境状态,通过深度学习与强化学习的拟合能力和决策能力处理采集过程,结合独立目标网络和经验回放的深度强化学习算法设计的软件程序,通过上位机软件AHRS实施设计方法的实例验证.实验结果表明方法在启动而未飞行时,以及在匀速运动时的采集误差都很低,采集功能较好.

文章就室外电力巡检机器人在智能配电站中的应用进行讨论,在了解其相关功能设计的同时,对其在智能配电站中的实际应用进行了深入的探讨,希望能够进一步提高此类机器人的应用效果,为智能配电站的平稳运行提供支持.

为了提升配网线路的绝缘水平,通过ATP-EMTP仿真软件,研究了 10 kV配网系统中普通直线杆和终端杆线路分别混入复合材料直线杆及复合材料终端杆后,线路的绝缘水平及雷击闪络变化状况.研究结果表明,混合杆线路的耐雷水平比全普通杆线路的耐雷水平有较大提升,无论雷击点是否发生在复合材料杆上,闪络点都会发生在复合材料杆临近的普通杆或被击的普通杆上,突出了聚氨酯复合材料杆的绝缘优势,间接提升了该线路的耐雷水平.

针对变电运维展开深入探析,寻找到安全管理、设备维护中出现的各种问题,并展开深入探析,在此基础上寻找到可行的解决之策.

目前研究的电力用户隐私数据保护系统存在保护精度低、安全性较差、消耗时间较长等问题.为了解决上述问题,基于敏感元组设计了一种新的电力用户隐私数据保护系统.硬件部分包括电路模块、采集模块、处理模块与存储模块,通过系统硬件实现了对电力用户隐私数据的采集、处理和存储;文中在软件方面给出了软件流程并进行了隐私数据保护,通过系统硬件和软件两部分完成基于敏感元组的电力用户隐私数据保护系统的设计.实验结果表明,基于敏感元组的电力用户隐私数据保护系统优于传统电力用户隐私数据保护系统,具有更高的保护精度和安全性,消耗的时间更短.

为了更好指导复合绝缘横担的应用,通过试验对比研究了方管复合绝缘横担及方棒复合绝缘横担的雷电冲击电压、湿工频闪络电压、污秽闪络电压及污秽覆雪闪络电压的变化情况.结果表明:10 kV方管复合绝缘横担的50％干雷电闪络电压为388.3 kV,高于方棒复合绝缘横担的370.0 kV,但方管复合绝缘横担的湿工频耐受电压、污秽工频耐受电压及污秽覆雪闪络电压均低于方棒复合绝缘横担,最后提出了不同运行环境下复合绝缘横担差异化的应用方案.

The composite material crossarm has excellent insulation, water repellency, light weight and high strength, which can effectively improve the safety level of the power line. Research results showed that the dry flash lightning voltage and wet flash frequency voltage of the composite crossarms were increased by 50% and 39% respectively, compared to the angle steel crossarms fixed with the same size insulator and the same air gap; corresponding wet frequency withstand voltage and filthy resistance voltage were increased by 117% and 30%, respectively; and the wet and filthy flashover all occurred on the surface of the composite material crossarms.

为了指导复合材料横担在重冰区的应用,本文开展了玻纤增强复合材料及复合材料绝缘横担的覆冰特性研究.结果表明:空白样品在垂直悬挂方式下的覆冰量和冰闪络电压均优于水平悬挂样品,且覆冰量均少于对应的亲水性的纯铝棒和Q345钢棒;涂覆PRTV涂料的复合材料样品覆冰量比空白样品少,对应的闪络电压大幅提升,且对应样品的冰面粘附力值最小,为纯铝棒冰面粘附力值的19％,而空白样品的冰面粘附力值为纯铝棒的78％.硅橡胶复合绝缘横担的覆冰特性正好和复合材料试样相反,水平悬挂方式下复合绝缘横担覆冰量相比垂直悬挂的同规格复合绝缘子减少了30％,闪络电压提高了51％.

In allusion to the problems of complex setting,poor fault tolerance and poor adaptability of the traditional smart distribution network protection methods,a condition monitoring and fault processing method of smart distribution network is pro-posed and designed based on big data analysis. In this method,four procedures of data preprocessing,data fusion,data analy-sis and visualization,and condition identification and processing are performed to make multi-electrical characteristic quantities fused and transformed into single comprehensive characteristic quantity. The operation state of distribution network is monitored, and the judgment and location of fault area in smart distribution network are realized according to the correlation condition of nodes and the values of local outlier factors. The RTDS semi-object closed-loop test was carried out. The results show that the method has high accuracy and reliability of fault judgment and location,which also has a certain reference value.

光传输设备网管系统包含丰富的数据资源,为了进一步挖掘数据价值,准确评估光传输设备的运行状态和健康程度,以便安排计划检修或技术改造,国网温州供电公司开展了基于专业网管系统的大数据分析研究,开发了通信光传输设备状态评价系统.该系统通过北向接口从光传输设备网管系统提取基础数据,建立状态评价体系,以打分的形式全面、准确地评估光传输设备的运行状态,生成体检报告,并给出检修建议.利用该系统可实现对通信网的预警监视和状态检修,从而全面提升通信网的运维水平.

The lightning performance on four 500/220-kV segments of quadruple circuit lines on the same tower of Nanyan line is analyzed by traveling wave method and electric geometry method in this paper. The results indicate that double-circuit 220-kV transmission line protect double-circuit 500-kV transmission line because of different insulation protection, the lightning-understanding level of 220-kV line is corresponding to the usual single lines, and the level of double circuit 500-kV line is higher. Also the back flashover tripout rate of transmission line increases with the increase of the height of tower and the ground resistance. The shielding failure calculation results show that the protect angle of 500-kV transmission line is negative, and the insulation level is high, the shielding failure mainly occur on 220-kV transmission lines. And the shielding failure tripout rate increases with the increase of protect angle of shielding line and the obliquity of ground.

介绍了客性设备绝缘在线监测系统现场校验现状及存在问题,提出了一种监测系统人工技验及自校验方法.

为解决超/特高压输电线路防绕击措施中传统的减小避雷线保护角的措施受到各方面局限(尤其对斜山坡地段)的问题,依据电气几何模型提出了防绕击的新措施—架设旁路屏蔽地线,通过增强大地的引雷能力来保护导线不受雷电绕击。计算表明架设屏蔽地线的高度随着其距离杆塔水平距离的增加先增大后减小,可在旁路屏蔽地线上加装短针增强其引雷能力。

通过对葛南直流输电系统(葛洲坝侧)输送额定容量情况下接地极各种参数的测量,考核接地极的运行状况,并对葛洲坝侧接地极的电气和安全性能进行了评估.

导体消雷器运行状况的调查表明:经过1238套.a的运行考验,伞型导体消雷器本体及其被保护物未遭受直击雷;经过3200套.a的运行考验,线路型导体消雷器仅有11基.次雷击跳闸事故.分析比较了导体消雷器与避雷针的防雷效果,导体消雷器明显优于避雷针.