Power grid fault influence range determination system and method

A technology of influence range and power grid fault, which is applied in the electric power field, can solve problems such as not being able to give the power grid fault influence range

Inactive Publication Date: 2021-03-09
STATE GRID HENAN ELECTRIC ZHOUKOU POWER SUPPLY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this patent is only for fault diagnosis of network equipment, and cannot give information on the scope of influence of grid faults

Method used

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  • Power grid fault influence range determination system and method

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Experimental program
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Effect test

Embodiment 1

[0025] see figure 1 , a system for determining the influence range of power grid faults, including a power distribution data collection and monitoring control system 21 and a power outage management system 22, wherein: the power distribution data collection and monitoring control system 21 includes a data sending unit 211 for sending power distribution data The cross-section data and remote signal displacement data obtained by the acquisition and monitoring control system are sent to the power outage management system 22 in E-format files at preset fixed time intervals. The preset fixed time is 10 minutes. The data model defined by the management system describes the format formed by E language, which is a storage and exchange method based on text files and is independent of databases and operating systems. Section data refers to the telemetry information (measurement data such as line voltage, current, power) and remote signaling information (switch opening and closing freque...

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Abstract

The invention discloses a power grid fault influence range determination system and method. The determination system comprises a power distribution data acquisition and monitoring control system and apower failure management system, wherein the power distribution data acquisition and monitoring control system comprises a data sending unit which is used for sending section data and remote signaling deflection data obtained by the power distribution data acquisition and monitoring control system to the power failure management system in an E format file; and the power failure management systemcomprises a data receiving unit and an influence range determining unit, the data receiving unit is used for receiving the section data and remote signaling deflection data, and the influence range determining unit is used for determining a power grid fault influence range according to a switch operation sequence by utilizing the section data and the remote signaling deflection data. According tothe determination system, by means of the power grid fault information acquisition function of the power distribution data acquisition and monitoring system and the influence range analysis function of the power failure management system, the power grid fault influence range is determined based on the power failure management system.

Description

technical field [0001] The invention belongs to the field of electric power technology, and in particular relates to a system and method for determining the influence range of a grid fault. Background technique [0002] In the field of electric power technology, after long-term construction and development of electric power information systems, a SCADA system has been established. This system can detect grid faults in the grid system in time, but it cannot give the scope of influence of the grid fault, so it is not convenient to take relevant measures. measure. In order to detect and repair power grid faults in time, an outage management system (OMS, outage management system) has appeared in the prior art, which is an important part of the distribution management system (Distribution Management System, DMS), mainly including planned outage management and fault outage manage. When a power outage occurs, with the help of the fault analysis capability of the OMS system, the f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J13/00
CPCH02J3/001H02J13/00016Y04S40/124Y02E60/00
Inventor 薛鸿鹏江凤丽高舒高原李悦王书欢张俊涛王倩
Owner STATE GRID HENAN ELECTRIC ZHOUKOU POWER SUPPLY
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