JPS5958374U

JPS5958374U - High voltage instrument connection inspection equipment

Info

Publication number: JPS5958374U
Application number: JP15297282U
Authority: JP
Inventors: 羽田　昭吾; 安孫子　堅二
Original assignee: 東北電力株式会社
Priority date: 1982-10-08
Filing date: 1982-10-08
Publication date: 1984-04-16
Also published as: JPH0143653Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はこの考案が適用される高圧自家用需要家の高圧
引込線を説明するために示す図、第２図は第１図の要部
を取出して示す構成図、第３図は第２図の回路構成牽示
す図、第４図はこの考案に係わる高圧計器結線検査装置
の一実施例を示す構成図、第５図は第４図に示す装置を
第３図に示すターミナルに接続した状態を示す構成図、
第６図は第４図に示す装置の内部構成を示す回路図、第
７図は第６図に示す電圧相順検出部を示す構成図、第８
図は電圧回路線間電圧の位相角関係を示す図、第９図ａ
乃至ｇはそれぞれ電圧相順検出部および電流相順検出部
の動作を説明するために示す図、第１０図は第６図に示
す電流相順検出部を示す構成図、第１１図、第１２図は
それぞれ電流回路線電流の位相角関係を説明するために
示す図、第１３図は電圧相順検出部および電流相順検出
部の　　　　−一例を示す回路図である。１３・・・・・・高圧計器用変成器、１９・・・・・・
電力量計、２０・・・・・・無効電力量計、ＴＭ・・・
・・・検査用ターミナ　　　−ル、４１・・・・・・高
圧計器結線検査装置本体、４２・・・・・・電圧計、４
３・・・・・・電流計、４４・・・・・・切替スイン　
　・チ、４５，４６，４７．４８・・・・・・発光ダイ
オード、５３・・・・・・挿込みプラグ、６１・・・・
・・電圧相順検出部、６２・・・・・・電流相順検出部
。第１１図 −第１２図Figure 1 is a diagram shown to explain the high-voltage drop-in line of a high-voltage private customer to which this invention is applied, Figure 2 is a configuration diagram showing the main parts of Figure 1, and Figure 3 is a diagram showing the main parts of Figure 2. Figure 4 is a diagram showing the circuit configuration, and Figure 4 is a configuration diagram showing an embodiment of the high-voltage instrument connection inspection device according to this invention. Figure 5 shows the device shown in Figure 4 connected to the terminal shown in Figure 3. A configuration diagram shown,
6 is a circuit diagram showing the internal configuration of the device shown in FIG. 4, FIG. 7 is a configuration diagram showing the voltage phase sequence detection section shown in FIG. 6, and FIG.
The figure shows the phase angle relationship of voltage circuit line voltage, Figure 9a.
to g are diagrams shown to explain the operations of the voltage phase order detection section and the current phase order detection section, respectively; FIG. 10 is a configuration diagram showing the current phase order detection section shown in FIG. 6; FIGS. 11 and 12. 13 is a circuit diagram showing one example of a voltage phase order detecting section and a current phase order detecting section. 13... High voltage instrument transformer, 19...
Power meter, 20...Reactive power meter, TM...
...Inspection terminal, 41...High voltage meter connection inspection equipment body, 42...Voltmeter, 4
3... Ammeter, 44... Switching switch
・Ch, 45, 46, 47.48... Light emitting diode, 53... Insertion plug, 61...
... Voltage phase order detection section, 62... Current phase order detection section. Figures 11-12

Claims

[Scope of utility model registration request]

The voltage of each of the three phases is removably installed between the secondary voltage, current circuit, and power measuring instrument of the high-voltage instrument transformer.
means for switching and measuring the current; and means for switching and measuring the voltages of one current circuit and the three-phase voltage circuit of the three-phase current circuit to confirm a short-circuit connection between the secondary current terminals of the high-voltage instrument transformer; , a voltage phase order detection unit that shapes each of the two-phase voltage waveforms and determines and displays the phase order of the voltage circuit according to the timing of appearance of the two-phase pulse waveforms;
A high-voltage meter comprising: a current phase order detection unit that shapes each three-phase current waveform into a pulse waveform and determines and displays the phase order of a current circuit according to the timing of appearance of the pulse waveform of each of the three phases. Wiring inspection device.