摘要：【中文】本发明公开了一种省级以上调度机构的WAMS数据存储浏览系统及其方法，适用于省级及以上调度机构的逐层管理和电力信息数据调度，多级调度系统包括客户端、国分云时序数据存储单元、省调云时序数据存储单元、时序数据存储与管理模块、基于dobbo服务的远程调用模块和WAMS量测模型服务等模块。本发明并且调控云平台建设WAMS时序数据库，用于接收三区同步至调控云带时标的电网运行动态数据，并进行循环存储或长期存储，具备对大规模数据进行处理的能力，包括按时标快速读写动态数据、压缩归档和管理存储空间等功能；同时能够为应用提供动态数据访问服务，以实现应用对电网运行的动态过程进行监视与分析。 【EN】The invention discloses a WAMS data storage and browsing system of a dispatching mechanism above provincial level and a method thereof, which are suitable for layer-by-layer management and power information data dispatching of the dispatching mechanism above provincial level. The WAMS time sequence database is built on the regulation cloud platform, is used for receiving three areas of power grid operation dynamic data synchronized to a regulation cloud band time scale, and performs cyclic storage or long-term storage, has the capacity of processing large-scale data, and has the functions of quickly reading and writing the dynamic data according to the time scale, compressing and archiving, managing storage space and the like; meanwhile, dynamic data access service can be provided for the application, so that the application can monitor and analyze the dynamic process of the power grid operation.

摘要：【中文】本发明公开了一种线路保护行波测距方法，包括根据采集的工频数据、行波数据进行故障检测，判断是否进行保护启动和行波启动；响应于保护启动和行波启动，进行保护测距、根据保护选相进行行波波头时刻计算；根据本端行波波头时刻、行波参数和采集的线路对端行波波头时刻，进行行波测距；将所有测距结果进行比较，选择最优的作为最终测距结果。同时也公开了相应的装置。本发明将保护启动和行波启动进行结合，即只有两者都启动，才进行后续的测距，有效防止启动频繁触发数据存储造成有效数据覆盖；同时本发明基于保护选相进行行波测距，降低了行波测距的复杂度，提高了稳定性。 【EN】The invention discloses a line protection traveling wave distance measurement method which comprises the steps of carrying out fault detection according to collected power frequency data and traveling wave data, and judging whether protection starting and traveling wave starting are carried out or not; responding to protection starting and traveling wave starting, performing protection ranging, and performing traveling wave head moment calculation according to protection phase selection; performing traveling wave ranging according to the wave head time of the traveling wave at the home terminal, the traveling wave parameters and the collected wave head time of the traveling wave at the opposite terminal of the line; and comparing all the ranging results, and selecting the optimal ranging result as the final ranging result. A corresponding apparatus is also disclosed. According to the invention, protection starting and traveling wave starting are combined, namely, subsequent ranging is carried out only when both are started, so that effective data coverage caused by frequently triggering data storage during starting is effectively prevented; meanwhile, the traveling wave ranging is carried out based on protection phase selection, so that the complexity of the traveling wave ranging is reduced, and the stability is improved.

摘要：【中文】本发明公开了一种柔性直流配电网故障定位方法，在直流配电网中设置直流母线保护区、直流线路保护区，在直流母线保护区、直流线路保护区中的开关均设置保护装置，所有保护装置均通过高速通信网相连接；当差动保护正常时，采用差动保护进行故障定位，当差动保护退出时，采用基于多点方向的综合故障定位方法进行故障定位。本发明解决了直流配电网应用的网络化保护动作延时较长问题；解决了差动保护异常无法工作时，直流配电网失去后备保护的问题；解决了直流配电网过电流启动灵敏性和整定配合简易性不能同时兼备的问题。 【EN】The invention discloses a fault positioning method for a flexible direct-current power distribution network, wherein a direct-current bus protection area and a direct-current line protection area are arranged in the direct-current power distribution network, switches in the direct-current bus protection area and the direct-current line protection area are provided with protection devices, and all the protection devices are connected through a high-speed communication network; when the differential protection is normal, the differential protection is adopted for fault location, and when the differential protection exits, a comprehensive fault location method based on multipoint directions is adopted for fault location. The invention solves the problem of longer delay of networked protection action of the application of the direct current distribution network; the problem that the backup protection of the direct-current power distribution network is lost when the differential protection is abnormal and cannot work is solved; the problem that the over-current starting sensitivity and the setting matching simplicity of the direct-current power distribution network cannot be simultaneously achieved is solved.

摘要：【中文】本发明公开了一种暂态稳定预防控制辅助决策方法、装置及电子设备，应用于电力系统暂态稳定预防控制决策中，该方法在当前运行方式预想故障暂态稳定评估计算基础上，计算暂态失稳故障的控制措施控制性能指标并筛选有效控制措施，之后按照控制措施性能指标排序结果形成满足控制精度要求的多个控制措施方案，对不同暂态失稳故障的控制措施方案进行枚举组合，采用故障暂态稳定分类预测模型对组合方案进行暂态稳定预测，选择满足暂态稳定要求且控制代价最小的方案作为预防控制辅助决策控制措施建议。本发明实现电力系统暂态稳定预防控制在线智能辅助决策，可以满足计算速度和准确性的要求。 【EN】The invention discloses a transient stability prevention control aid decision-making method, a transient stability prevention control aid decision-making device and electronic equipment, which are applied to transient stability prevention control decisions of a power system. The method realizes the online intelligent auxiliary decision of the transient stability prevention control of the power system, and can meet the requirements of calculation speed and accuracy.

摘要：【中文】本发明公开了一种超级电容状态在线监测方法及装置和充电系统，在充电装置给超级电容充电过程中，获取超级电容的充电电压、充电电流；计算得到充电电压的变化率以及超级电容的计算容值；将获取到的超级电容的充电电压与预存的超级电容的参考数据的参考电压进行比对，定位充电电压对应参考数据中的参考点；将超级电容的计算容值与参考点的超级电容参考容值进行比对，确定超级电容的当前状态。查找到参考数据中对应的电压充电曲线变化率、参考电流；将充电电压的变化率与查找到的参考数据中对应的电压充电曲线变化率进行比对；充电电压的变化率位于电压充电曲线变化率的误差范围内，根据查找到的参考电流，发出充电电流调整指令给充电装置。 【EN】The invention discloses a method and a device for monitoring the state of a super capacitor on line and a charging system, wherein the charging voltage and the charging current of the super capacitor are obtained in the process of charging the super capacitor by a charging device; calculating to obtain the change rate of the charging voltage and the calculated capacitance value of the super capacitor; comparing the obtained charging voltage of the super capacitor with a reference voltage of prestored reference data of the super capacitor, and positioning a reference point in the reference data corresponding to the charging voltage; and comparing the calculated capacitance value of the super capacitor with the reference capacitance value of the reference point to determine the current state of the super capacitor. Searching the corresponding voltage charging curve change rate and the reference current in the reference data; comparing the change rate of the charging voltage with the change rate of the corresponding voltage charging curve in the searched reference data; and the change rate of the charging voltage is within the error range of the change rate of the voltage charging curve, and a charging current adjusting instruction is sent to the charging device according to the searched reference current.

摘要：【中文】本发明公开了一种分布式电源的集中式协调控制方法，具体包括：获取微网系统中储能单元的当前充电状态参数；将获取到的储能单元的当前充电状态参数与微网系统设定的充电状态参数进行比对；基于比对结果，选择合适的控制策略对微网系统中各分布式电源进行集中式协调控制。本发明通过将获取到的储能单元的当前充电状态参数与微网系统设定的充电状态参数进行对比，通过切换三种控制模式，提高了微网系统的可调度性，顺利实现了储能单元的充电平衡。 【EN】The invention discloses a centralized coordination control method of a distributed power supply, which specifically comprises the following steps: acquiring current charging state parameters of energy storage units in the microgrid system; comparing the acquired current charging state parameters of the energy storage units with the charging state parameters set by the microgrid system; and based on the comparison result, selecting a proper control strategy to perform centralized coordination control on each distributed power supply in the microgrid system. According to the invention, the acquired current charging state parameters of the energy storage unit are compared with the charging state parameters set by the microgrid system, and the schedulability of the microgrid system is improved and the charging balance of the energy storage unit is smoothly realized by switching three control modes.

摘要：【中文】本发明公开了一种用于超级电容储能式有轨电车的充电装置及充电方法，包括前级DC/DC升压变换器和后级DC/DC降压变换器，所述DC/DC升压变换器采用四相交错的Boost电路进行并联，所述DC/DC降压变换器采用四相交错的Buck电路进行并联，所述Boost电路与所述Buck电路通过直流母线进行互连，整个系统通过将直流母线电压控制在DC1050V来实现对有轨电车车载超级电容稳定输出DC0‑900V的充电电压；本发明还公开了一种用于超级电容储能式有轨电车的充电方法，前级Boost电路采用电压外环、电流内环的双闭环控制方式，后级Buck电路采用先恒流限压控制后转换为恒压限流控制的方式，同时，跟踪后级Buck电路的输出电流值并前馈至前级Boost电路，使得直流母线电压能稳定控制在DC1050V。 【EN】The invention discloses a charging device and a charging method for a super-capacitor energy storage type tramcar, which comprise a front-stage DC/DC Boost converter and a rear-stage DC/DC Buck converter, wherein the DC/DC Boost converter adopts four-phase staggered Boost circuits for parallel connection, the DC/DC Buck converter adopts four-phase staggered Buck circuits for parallel connection, the Boost circuits and the Buck circuits are interconnected through a direct current bus, and the whole system realizes stable output of charging voltage of DC0-900V to a tramcar-mounted super capacitor by controlling the voltage of the direct current bus at DC 1050V; the invention also discloses a charging method for the super-capacitor energy storage type tramcar, wherein a front-stage Boost circuit adopts a double closed loop control mode of a voltage outer loop and a current inner loop, a rear-stage Buck circuit adopts a mode of converting constant-current voltage limiting control into constant-voltage current limiting control after first constant-current voltage limiting control, and meanwhile, the output current value of the rear-stage Buck circuit is tracked and fed forward to the front-stage Boost circuit, so that the voltage of the direct-current bus can be stably controlled at DC 1050V.

摘要：【中文】本发明公开了一种分布式电源接入配电网位置及定容的配置方法，首先通过考虑配电网的经济性和可靠性，提出了一种改进的接入方法并构建分布式电源接入配电网的优化模型，通过设定目标函数实现分布式电源接入网损最小，提高配电网的运行效率。然后，通过运用相关算法寻找到分布式电源接入配电网的最佳位置以及最优容量。最终实现降低配电网的网损，并提高电压质量。 【EN】The invention discloses a method for configuring the position and constant volume of a distributed power supply access power distribution network. And then, finding the optimal position and the optimal capacity of the distributed power supply connected to the power distribution network by applying a correlation algorithm. Finally, the network loss of the power distribution network is reduced, and the voltage quality is improved.

摘要：【中文】本发明公开了配电网故障检测技术领域的一种基于同步对比相电流故障分量的配网单相接地选线方法，旨在解决现有技术中配电网单相接地故障定位的传统算法局限性大、正确率低、检测元件安装要求高的技术问题。所述方法仅需实时采集配网三相电流的二次值即可完成单相接地故障判别，且能够适应不同的中性点接地方式及线路运行方式。所述方法实时计算每条线路三相电流突变量，当三相电流发生突变时，截取故障时刻后一个周波的三相电流突变波形来进行相电流故障特征量计算；通过计算得到的特征量对每条线路进行单独故障研判并给出相对权重；用神经网络大数据对每条下路的就地研判结果、相对权重和它们各自的特征量数据进行二次研判并给出最终的研判结果。 【EN】The invention discloses a distribution network single-phase grounding line selection method based on synchronous phase current fault component comparison in the technical field of distribution network fault detection, and aims to solve the technical problems that the traditional algorithm for positioning the distribution network single-phase grounding fault in the prior art is large in limitation, low in accuracy and high in detection element installation requirement. According to the method, the single-phase grounding fault can be judged only by acquiring the secondary values of the three-phase current of the distribution network in real time, and the method can adapt to different neutral point grounding modes and line operation modes. The method comprises the steps of calculating the three-phase current sudden change of each line in real time, and intercepting the three-phase current sudden change waveform of a cycle after a fault moment to calculate the phase current fault characteristic quantity when the three-phase current is suddenly changed; carrying out single fault research and judgment on each line through the characteristic quantity obtained by calculation and giving relative weight; and (4) carrying out secondary judgment on the local judgment result, the relative weight and the characteristic quantity data of each lower path by using the neural network big data and giving a final judgment result.

摘要：【中文】本发明公开了一种数据存储方法、装置，所述方法包括：将实时获取的目标数据进行切片后，得到所述目标数据的多个数据碎片；在所述目标数据的各个数据碎片中植入与所述目标数据相应的DNA标志；将所述目标数据的各个数据碎片分别存储于多个存储节点中；当接收到数据请求指令时，获取所述数据请求指令对应的DNA标志；查询各个存储节点中包含所述数据请求指令对应的DNA标志的数据碎片，并将查询得到的数据碎片进行重组后反馈。采用上述方案，无需对数据进行加密和解密的操作，减小的计算负担；通过数据切片后去中心化存储，依据DNA标志进行验证控制是否进行数据反馈，极大的提升了数据存储的安全性能。 【EN】The invention discloses a data storage method and a data storage device, wherein the method comprises the following steps: slicing target data acquired in real time to obtain a plurality of data fragments of the target data; implanting DNA marks corresponding to the target data into each data fragment of the target data; respectively storing each data fragment of the target data in a plurality of storage nodes; when a data request instruction is received, acquiring a DNA mark corresponding to the data request instruction; and inquiring data fragments containing the DNA marks corresponding to the data request instructions in each storage node, and recombining the inquired data fragments for feedback. By adopting the scheme, the data do not need to be encrypted and decrypted, so that the calculation burden is reduced; the data is sliced and then stored in a centralized mode, whether data feedback is carried out or not is verified and controlled according to the DNA marks, and the safety performance of data storage is greatly improved.