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Redundant solution for output on rc divider

A voltage divider, output circuit technology, applied in the direction of voltage divider, overvoltage protection resistor, emergency protection circuit device for limiting overcurrent/overvoltage, etc.

Active Publication Date: 2019-03-26
SIEMENS ENERGY GLOBAL GMBH CO & KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This problem has not been satisfactorily resolved until now

Method used

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  • Redundant solution for output on rc divider
  • Redundant solution for output on rc divider

Examples

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Embodiment Construction

[0012] figure 2 An RC voltage divider 1 according to an embodiment of the invention is shown. The RC divider 1 includes a primary part 10 and a secondary part 20 . Junior Section 10 can be used with figure 1 The primary part 10 in the same, or another suitable primary part. However, in figure 2 In the embodiment shown in , the secondary section 20 comprises at least two equivalent output circuits 21 , 22 connected in series with each other and with the primary section 10 .

[0013] exist figure 2 , each of the at least two output circuits 21, 22 is connected to the figure 1 Corresponds to the secondary section 920 in the embodiment shown in . Of course, the electronics and / or connection scheme of the output circuits 21 , 22 may differ from those of the secondary section 920 for calibration reasons, or depending on the requirements of the RC divider. Symbolically, at least two equivalent output circuits 21 , 22 comprise resistive elements R24 , R25 , Ra1 , Ra2 , Ra3 ,...

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Abstract

An RC voltage divider (1) comprises a primary part (10) and a secondary part (20), wherein the secondary part comprises at least two equivalent output circuits (21, 22) connected in series.

Description

technical field [0001] The present invention relates to the technical field of RC voltage dividers. Background technique [0002] To measure high voltage characteristics, an RC divider is used to convert the high voltage to a low voltage signal. Reliable and accurate measurements are of great importance since, for example, the decision whether to shut down a substation is based on the measured high voltage characteristics. Taking the wrong decision can lead to unnecessary outages or damage to expensive components in the transmission network. [0003] For current RC dividers it is desirable to have independent accurate redundancy of a minimum of two secondary outputs. The main purpose of redundancy is to meet the higher requirements imposed by the protection / measurement technology of the secondary devices. It is desirable to achieve better performance in the event of failure of one of the two outputs and to reduce the disturbance to the remaining outputs to values ​​of eg ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R15/06
CPCG01R15/06G01R15/04H01C7/12H02H9/041H04M3/18H02H7/16H02H9/045
Inventor 克里斯蒂安·韦伯弗朗切斯科·皮卡尔多
Owner SIEMENS ENERGY GLOBAL GMBH CO & KG