JPS58178262A - Voltage divider - Google Patents
Voltage dividerInfo
- Publication number
- JPS58178262A JPS58178262A JP57062159A JP6215982A JPS58178262A JP S58178262 A JPS58178262 A JP S58178262A JP 57062159 A JP57062159 A JP 57062159A JP 6215982 A JP6215982 A JP 6215982A JP S58178262 A JPS58178262 A JP S58178262A
- Authority
- JP
- Japan
- Prior art keywords
- voltage side
- voltage
- low voltage
- high voltage
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、高電圧パルス電源等のパルス電圧波形をモ
ニタするための電圧分圧器に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a voltage divider for monitoring a pulse voltage waveform of a high voltage pulse power source or the like.
従来、電圧分圧器として第１図に示すものがあった。図
において（１）は高圧側分圧抵抗器、（２１は高圧側補
償コンデンサ、（３）は低圧側分圧抵抗器、（４）は低
圧側補償コンデンサ、（５）は入力端子、（６）は出力
端子、（７）は接地等の基準電位端子である。Conventionally, there has been a voltage divider as shown in FIG. In the figure, (1) is the high voltage side voltage dividing resistor, (21 is the high voltage side compensation capacitor, (3) is the low voltage side voltage dividing resistor, (4) is the low voltage side compensation capacitor, (5) is the input terminal, and (6) is the low voltage side voltage dividing resistor. ) is an output terminal, and (7) is a reference potential terminal such as ground.
次に動作について説明する。従来の電圧分圧器番とおい
て、高圧側分圧抵抗器（１１の抵抗値をＲ１１低圧側分
圧抵抗器（３１の抵抗値をＲ２、高圧側補償コンデンサ
（２１の静電容量をＯ１１低圧側補償コンデンサ（４）
の静電容量を０２とし、上記Ｒ１＊ Ｒ２＊ ０１ 、
”２の値を
ＲＩＯ，＝ Ｒ２ｏ２
・・・・・・・・・・・・・・・（１１上記の関係が成
立するように選択すれば、端子（５１、（７）間に印加
されたパルス電圧は
上記の第２式に示す分圧比で端子＋６１ 、 ＋７１間
に発生する。Next, the operation will be explained. In the conventional voltage divider number, the high voltage side voltage dividing resistor (the resistance value of 11 is set to R11, the low voltage side voltage dividing resistor (the resistance value of 31 is set to R2, and the high voltage side compensation capacitor (the capacitance of 21 is set to O11 on the low voltage side) Compensation capacitor (4)
Let the capacitance of be 02, and the above R1* R2* 01,
``The value of 2 is RIO, = R2o2
・・・・・・・・・・・・・・・(11 If the above relationship is selected, the pulse voltage applied between terminals (51, (7) A voltage is generated between terminals +61 and +71 at the voltage division ratio shown.
従来の電圧分圧器は以上のように構成されているので、
入力端子（５）に印加されるパルス電圧が高くなると、
高圧側分圧抵抗器（１１も長くする必要があり、電圧分
圧器の周囲の物体と高圧側分圧抵抗器（１１間に形成さ
れる浮遊静電容量により、分圧比が第２式より変化する
。この影響は入力端子（５１に印加されるパルス電圧の
立上り、立下り部で特に大きくなる。Since the conventional voltage divider is configured as above,
When the pulse voltage applied to the input terminal (5) increases,
The high voltage side voltage dividing resistor (11) also needs to be long, and the voltage dividing ratio changes according to the second equation due to the stray capacitance formed between the objects around the voltage divider and the high voltage side voltage dividing resistor (11). This effect becomes particularly large at the rising and falling portions of the pulse voltage applied to the input terminal (51).
′ｇＪ２図はその詳細図で、崗は任意電位の物体、０４
）は浮遊静電容量である。'gJ2 diagram is its detailed diagram, where G is an object with arbitrary potential, 04
) is the stray capacitance.
この発明は上記のような従来のものの欠点を除去するた
めになされたもので、高圧側分圧抵抗器を中心に同軸状
に低圧側電極を配し、更に外側にシールド電極を設けそ
の電位を基準電位端子、に接続することにより、電圧分
圧器の周囲物体より高圧側分圧抵抗器を静電シールド出
来る電圧分圧器を提供することを目的としている。This invention was made in order to eliminate the above-mentioned drawbacks of the conventional ones.A low-voltage side electrode is coaxially arranged around a high-voltage side voltage dividing resistor, and a shield electrode is provided on the outside to control the potential of the low-voltage side electrode. It is an object of the present invention to provide a voltage voltage divider that can electrostatically shield a high voltage side voltage dividing resistor from objects surrounding the voltage voltage divider by connecting it to a reference potential terminal.
以下、この発明の一実施例による電圧分圧器について説
明する。第３図において、１１１は直線状の高圧側分圧
抵抗器、←υは高圧側分圧抵抗器（１１を同軸状に取り
かこんだ低圧側電極で出力端子（６）の電位を与えてい
る。＋９１は高圧側分圧抵抗器１１＋と低圧側電極α０
間に形成される分布浮遊容量である。（８）は低圧側分
布抵抗器、σ１は低圧側分布補償コンデンサで低圧側分
布抵抗器（８）と低圧側分布補償コンデンサ凹で低圧側
分圧器を構成している。（Ｉのは低圧側電極Ｕυを同軸
状に取りかこんだシールド電極で、基準電位端子（７）
の電位を与えている。A voltage divider according to an embodiment of the present invention will be described below. In Figure 3, 111 is a linear high voltage side voltage dividing resistor, ←υ is a high voltage side voltage dividing resistor (the low voltage side electrode surrounds 11 coaxially and gives the potential of the output terminal (6) +91 is the high voltage side voltage dividing resistor 11+ and the low voltage side electrode α0
This is the distributed stray capacitance formed between (8) is a low voltage side distributed resistor, σ1 is a low voltage side distributed compensation capacitor, and the low voltage side distributed resistor (8) and the low voltage side distributed compensation capacitor concave form a low voltage side voltage divider. (I is a shield electrode coaxially surrounding the low voltage side electrode Uυ, and the reference potential terminal (7)
It gives a potential of
次に動作について説明する。高圧側分圧抵抗器＋１１の
抵抗値をＲＩＧ 、分布浮遊容量１９１の全静電容量を
０１０１低圧側分布抵抗器（８）の抵抗値の合計をＲ１
１低圧側分布補償コンデンサαｌの静電容量の合計を０
２０とし、これらＲ１０＋ ”２０ ＊ ０１０ ＋
０１０の値を
Ｒｈｏ Ｏｔｏ ＝ Ｒ２Ｏ０２０−・−＝−・・・−
−−−ｉ３１上記第３式が成立するように選択すれば、
端子（５）、（７）間に印加されたパルス電圧は
上記１８４式に示す分圧比で端子＋６１．（７１間に発
生する。この分圧器の周波数特性は低圧側分圧器の（８
１、Ｑ（ｌの枝数によって決定されるので、入力パルス
の周波数成分によって枝数を決定する。Next, the operation will be explained. The resistance value of the high voltage side voltage dividing resistor +11 is RIG, the total capacitance of the distributed stray capacitance 191 is 0101, the sum of the resistance values of the low voltage side distributed resistor (8) is R1
1 The total capacitance of the low voltage side distributed compensation capacitor αl is 0.
20, and these R10+ "20 * 010 +
The value of 010 is Rho Oto = R2O020−・−=−・・・−
---i31 If the selection is made so that the third equation above holds true, then
The pulse voltage applied between terminals (5) and (7) is set to terminal +61. (occurs between 71 and 71. The frequency characteristics of this voltage divider are
Since it is determined by the number of branches of 1, Q(l), the number of branches is determined by the frequency component of the input pulse.
高圧側分圧抵抗器（１）を取り囲む低圧側電極（１］）
およびシールド電極ＣＩ湯は必ずしも完全に同軸状でな
くても（１）を外部よりシールドする配置であればよい
。又、低圧側電極αυ、シールド電極αりの形状も円筒
１ここだわる必要はない。Low voltage side electrode (1]) surrounding high voltage side voltage dividing resistor (1)
The shield electrode CI does not necessarily have to be completely coaxial, as long as it shields (1) from the outside. Furthermore, the shapes of the low-voltage side electrode αυ and the shield electrode α do not need to be limited to just one cylinder.
以上のようにこの発明によれば高圧側分圧抵抗器をシー
ルドしたため外部電位の影響を除去出来る。たのため更
に高圧側分圧抵抗器の抵抗値を大きくとることも可能で
ある。As described above, according to the present invention, since the high voltage side voltage dividing resistor is shielded, the influence of external potential can be eliminated. Therefore, it is also possible to further increase the resistance value of the high voltage side voltage dividing resistor.
第１図は従来の電圧分圧器の構成図、第２図は従来の電
圧器における静電誘導障害の説明図、第３図は本発明の
電圧分圧器の構成図である。
（１１・・・高圧側分圧抵抗器、（５）・・・入力端子
、（６）・・・出力端子、（７）・・・基準電位端子、
（８）・・・低圧側分布抵抗器、＋９１・・・分布浮遊
容量、σＦ・・低圧側分布補償コンデンサ、αυ・・・
低圧側電極、αＦ・・シールド電極。
なお、図中同一符号は同一、又は相当部分を示す。
代理人 葛野信−
第１図 第２図
第３図FIG. 1 is a block diagram of a conventional voltage divider, FIG. 2 is an explanatory diagram of electrostatic induction failure in a conventional voltage divider, and FIG. 3 is a block diagram of a voltage divider according to the present invention. (11...High voltage side voltage dividing resistor, (5)...Input terminal, (6)...Output terminal, (7)...Reference potential terminal,
(8)...Low voltage side distributed resistor, +91...Distributed stray capacitance, σF...Low voltage side distributed compensation capacitor, αυ...
Low voltage side electrode, αF...shield electrode. Note that the same reference numerals in the figures indicate the same or equivalent parts. Agent Makoto Kuzuno - Figure 1 Figure 2 Figure 3
Claims (1)
圧側電極、上記高圧側分圧抵抗器に接続された低圧側分
圧抵抗器、この低圧側分圧抵抗器に接続され上記低圧側
分圧抵抗器とで低圧側分圧器を形成する低圧側分布補償
コンデンサ、上記低圧側電極を包囲するシールド電極を
備えてなる電圧分圧器。A high voltage side voltage dividing resistor, a low voltage side electrode surrounding this high voltage side voltage dividing resistor, a low voltage side voltage dividing resistor connected to the above high voltage side voltage dividing resistor, and a low voltage side voltage dividing resistor connected to this low voltage side voltage dividing resistor and the above A voltage divider comprising: a low voltage side distributed compensation capacitor forming a low voltage side voltage divider with a low voltage side voltage dividing resistor; and a shield electrode surrounding the low voltage side electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57062159A JPS58178262A (en) | 1982-04-12 | 1982-04-12 | Voltage divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57062159A JPS58178262A (en) | 1982-04-12 | 1982-04-12 | Voltage divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58178262A true JPS58178262A (en) | 1983-10-19 |
Family
ID=13192048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57062159A Pending JPS58178262A (en) | 1982-04-12 | 1982-04-12 | Voltage divider |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58178262A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2574941A1 (en) * | 1984-12-15 | 1986-06-20 | Licentia Gmbh | METHOD FOR COMPENSATING DISTURBANCE CAPACITIES BETWEEN A RESISTOR AND AN ELECTRICALLY CONDUCTIVE PROTECTION ELECTRODE |
| JP2003059738A (en) * | 2001-08-16 | 2003-02-28 | Toko Electric Corp | Voltage transformer |
| FR2958755A1 (en) * | 2010-04-13 | 2011-10-14 | Schneider Electric Ind Sas | MEASURING DEVICE WITH ELECTRICAL VOLTAGE DIVIDER. |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50128008A (en) * | 1974-03-21 | 1975-10-08 |
-
1982
- 1982-04-12 JP JP57062159A patent/JPS58178262A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50128008A (en) * | 1974-03-21 | 1975-10-08 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2574941A1 (en) * | 1984-12-15 | 1986-06-20 | Licentia Gmbh | METHOD FOR COMPENSATING DISTURBANCE CAPACITIES BETWEEN A RESISTOR AND AN ELECTRICALLY CONDUCTIVE PROTECTION ELECTRODE |
| JP2003059738A (en) * | 2001-08-16 | 2003-02-28 | Toko Electric Corp | Voltage transformer |
| FR2958755A1 (en) * | 2010-04-13 | 2011-10-14 | Schneider Electric Ind Sas | MEASURING DEVICE WITH ELECTRICAL VOLTAGE DIVIDER. |
| EP2378294A1 (en) * | 2010-04-13 | 2011-10-19 | Schneider Electric Industries SAS | Measurement device with an electric voltage divider |
| US9063175B2 (en) | 2010-04-13 | 2015-06-23 | Schneider Electric Industries Sas | Electric power metering device and method |
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