Abstract

The tasks of identifying points of unauthorized power takeoff in a distributive network by measurements in some selected nodes have a lot of applications. The practical interest in solving them increases with a reduction in the number of network nodes necessary for monitoring. At a relatively constant voltage in the distributive network nodes, the determination of consumer capacities is confined to determining the parameters of the equivalent circuits of the latter. The determination of parameters by measurement results is a classic inverse problem from the circuit theory. This article proposes the solution of this problem for a 0.4-kV triphase distributive network with 9–12 loads to be controlled at measurements only in two nodes of the network. To solve this problem, it is proposed to set variable conductivity in one of the measurement nodes. The general approach to solving the problems of the considered type is provided. The derived solutions can be used to control the state of insulators in high-voltage lines and temperatures or humidity in hard-to-reach zones. The solutions derived for the 9- to 12-load network are relatively simple and allow promptly obtaining information on the network loads from the measured data. In addition, a solution for determining the EMF of several parallel-connected thermocouples and used as temperature sensors is provided.

中文翻译：

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通过在选定网络节点中的测量来监控电力消耗

摘要

通过在某些选定节点中的测量来识别分布式网络中未经授权的取力点的任务有很多应用。随着监控所需网络节点数量的减少，解决这些问题的实际兴趣也会增加。在分布式网络节点中相对恒定的电压下，消费者容量的确定仅限于确定后者等效电路的参数。通过测量结果确定参数是电路理论中的一个经典逆问题。本文针对仅在网络的两个节点进行测量控制的具有 9-12 个负载的 0.4 kV 三相配电网络提出了该问题的解决方案。为了解决这个问题，建议在测量节点之一中设置可变电导率。提供了解决所考虑类型问题的一般方法。派生的解决方案可用于控制高压线路中绝缘体的状态以及难以到达区域的温度或湿度。为 9 到 12 负载网络推导出的解决方案相对简单，可以从测量数据中迅速获取有关网络负载的信息。此外，还提供了一种用于确定多个并联热电偶并用作温度传感器的 EMF 的解决方案。为 9 到 12 负载网络推导出的解决方案相对简单，可以从测量数据中迅速获取有关网络负载的信息。此外，还提供了用于确定多个并联热电偶并用作温度传感器的 EMF 的解决方案。为 9 到 12 负载网络推导出的解决方案相对简单，可以从测量数据中迅速获取有关网络负载的信息。此外，还提供了一种用于确定多个并联热电偶并用作温度传感器的 EMF 的解决方案。