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Partial discharge monitoring system with a compatibility-function for a voltage indication system

A partial discharge and voltage indication technology, which is applied in the direction of indicating the existence of current/voltage, measuring electricity, and measuring devices, and can solve problems such as disturbing the correct measurement of the partial discharge measurement system

Pending Publication Date: 2020-01-07
ABB (SCHWEIZ) AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the design of currently available and employed voltage indicating systems can disturb the correct measurement of partial discharge measurement systems due to the characteristics of the displays used in currently known voltage indicating systems

Method used

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  • Partial discharge monitoring system with a compatibility-function for a voltage indication system
  • Partial discharge monitoring system with a compatibility-function for a voltage indication system
  • Partial discharge monitoring system with a compatibility-function for a voltage indication system

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Embodiment Construction

[0014] Hereinafter, the principles and spirit of the present disclosure will be described with reference to illustrative embodiments. It should be understood that all these embodiments are provided only for those skilled in the art to better understand and further implement the present disclosure, rather than to limit the scope of the present disclosure. For example, features illustrated or described as part of one embodiment can be used with another embodiment to yield a still further embodiment. In the interest of clarity, not all features of an actual implementation are described in this specification. It will of course be appreciated that in the development of any such actual embodiment, many implementation-specific decisions should be made to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, which will be derived from an implementation change to another. Moreover, it will be appreciated that such a developme...

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Abstract

The present application discloses a method and device suitable to perform the method for operating Voltage Indication system (VIS, 110) and partial discharge module (PD, 210) for medium-voltage or high voltage apparatuses, comprising: Monitoring, with the partial discharge-module (PD, 210), provided in low-voltage section, whether partial discharge occurs within a dielectric of the high-voltage ormedium-voltage apparatus or system, the partial discharge-module (PD, 210) or VIS (110) being electrically connected to a coupler provided in the medium-voltage or high-voltage apparatus; Indicatingwith the Voltage Indication System (VIS, 110), provided in a low-voltage portion, the presence of operating voltages in high-voltage or medium-voltage apparatus or system, Voltage Indication System (VIS, 110) being electrically connected with partial discharge-module (PD, 110) and deactivating by deactivation module (310) connected to Voltage Indication System (VIS, 110) and partial discharge-module (PD, 210) an optical display in the Voltage Indication System (VIS, 110) during partial discharge measurements.

Description

technical field [0001] Embodiments of the present disclosure generally relate to monitoring dielectric strength in high voltage installations, particularly in medium and / or high voltage regions. In particular, embodiments of the present disclosure relate to retrofitting an on-line partial discharge monitoring system for existing switchgear installations using an already installed voltage indicating system or other voltage measurement system. Background technique [0002] Partial discharges (PDs) are characterized in that they can manifest as shorts (nanoseconds in duration) and randomly recurring discharge events in dielectrically problematic parts of the system. Partial discharge can be measured by looking at the effect of the charge flowing during the event. This flow causes a temporary voltage change on the medium or high voltage line. In IEC 60270, a standard partial discharge measurement system is shown, which is based on capacitive coupling to a high voltage together...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12
CPCG01R31/1227G01R1/36G01R19/145G01R31/12G01R31/1272
Inventor Y.马雷特K.亨肯S.马拉诺
Owner ABB (SCHWEIZ) AG
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