JPH0314201A - Non-liniarity zinc oxide resistor - Google Patents
Non-liniarity zinc oxide resistorInfo
- Publication number
- JPH0314201A JPH0314201A JP1149873A JP14987389A JPH0314201A JP H0314201 A JPH0314201 A JP H0314201A JP 1149873 A JP1149873 A JP 1149873A JP 14987389 A JP14987389 A JP 14987389A JP H0314201 A JPH0314201 A JP H0314201A
- Authority
- JP
- Japan
- Prior art keywords
- zinc oxide
- resistor
- loss
- added
- zno
- 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
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 35
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011572 manganese Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011651 chromium Substances 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract 4
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N nickel(II) oxide Inorganic materials [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 abstract 1
- 230000000670 limiting effect Effects 0.000 description 22
- 239000000654 additive Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- KECAIQNCFZTEBM-UHFFFAOYSA-N antimony;chromium Chemical compound [Sb]#[Cr] KECAIQNCFZTEBM-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- -1 bismuth cobalt manganese chromium Chemical compound 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
【発明の詳細な説明】
Ａ 産業上の利用分野
本発明は酸化亜鉛非直線性抵抗体の組成に関すＢ１発明
の概要
本発明は避雷器等の特性要素として用いられている酸化
亜鉛非直線性抵抗体の熱損失を減少させる組成の提供を
図ったもので、組成成分として酸化亜鉛を主成分としア
ルミニウムを重量比で２０ｐｐｍ以下の量とする共にニ
ッケルを０５乃至０７ ｍｏｆ２％、クロムを０．２５
乃至０ 、５ ｍｏｉ２％、マンガンを０．４５乃至０
．６５ｍｏｆ２％の範囲で添加することにより、避雷器
の特性要素として熱損失が小さく、且つ制限電圧比の低
い酸化亜鉛非直線性抵抗体とすることが可能となる。Detailed Description of the Invention A. Industrial Field of Application The present invention relates to the composition of a zinc oxide nonlinear resistor B1 Summary of the Invention The present invention relates to a zinc oxide nonlinear resistor used as a characteristic element of lightning arresters, etc. It aims to provide a composition that reduces heat loss in the body, with the main component being zinc oxide, aluminum in an amount of 20 ppm or less by weight, 05 to 07 mof2% nickel, and 0.25 mof chromium.
0 to 5 moi2%, manganese 0.45 to 0
．． By adding in a range of 65mof2%, it becomes possible to obtain a zinc oxide nonlinear resistor with small heat loss and a low limiting voltage ratio as a characteristic element of the lightning arrester.
Ｃ２従来の技術
従来から電力系統接続機器を例えば落雷または系統の切
続の切換え等により起こり得る異常高電圧から保護する
ためにサージアブソーバ。避雷器等が使用されている。C2 Prior Art Conventionally, surge absorbers have been used to protect power system connected equipment from abnormal high voltages that may occur due to lightning strikes or switching on and off of the power system, for example. Lightning arresters, etc. are used.
避雷器等の特性要素として酸化亜鉛非直線性抵抗体（以
下ＺｎＯ抵抗体と記す）は優れた非直線性電圧−電流特
性を有し、理想的な素子である。Zinc oxide nonlinear resistors (hereinafter referred to as ZnO resistors) have excellent nonlinear voltage-current characteristics and are ideal elements for lightning arresters and the like.
一般にＺｎＯ抵抗体の電圧−電流特性は■
１＝（−）（２の式で示される。ここで、■は印加電圧
、■は電流、Ｃは通常の抵抗体の抵抗値に相当する量（
非直線抵抗）、αは非直線指数である。In general, the voltage-current characteristics of a ZnO resistor are expressed by the formula: ■ 1 = (-) (2. Here, ■ is the applied voltage, ■ is the current, and C is the amount equivalent to the resistance value of a normal resistor (
nonlinear resistance), α is the nonlinear index.
避雷器においでは非直線指数αが大であることが望まし
く、ＺｎＯ抵抗体として３０φの素子に換算してα〉３
０が必要とされる。−■
このα値が太き（づれば、常時課電電圧における漏れ電
流の大きさを制限するので、電力消費による自己発熱の
熱損失を小さくする。課電率を８０％（ＩｍＡが流れた
場合のＺ、 ｎ Ｏ抵抗体の端子間電圧Ｖ＋ｍＡの８０
％）として使用する場合、熱損失（ｍ Ｗ ）をＶｌ、
ｌ、Ａ （ｖ ）で割った値（ｍ Ｗ ／ Ｖ ）が０
０３以下が望ましい。−■
また制限電圧比（Ｖｌ−Ａと他の電流が流れた場合の同
一非直線抵抗体の端子間電圧の比で、大電流領域におけ
る保護特性を示ず）として、ＺｎＯ抵抗体が３２φの素
子の場合に、電流値２５０ＯＡにおけるＶ２６００Ａと
Ｖ １ｍＡの比が１．６５以下が望ましい。−■
その他、雷等のパルス状ザージが加わった時のＺｎＯ抵
抗体の放電耐量の安定性を示す特性としてインパルス劣
化（Δｖ１．．．Ａ）が挙げられる。この特性はｌ０Ｋ
Ａ印加した時の前後の■１．１．９の変化率△■１□／
ｖ１ｍＡて表され、 Δｖｌ、ＨＡ／Ｖ１．ｎＡ
≦２％が望ましい。−■
Ｄ 発明が解決しようとする課題
しかし、」−記のＺｎＯ抵抗体として要求される■〜■
迄の特性のなかで、損失の特性■と制限電圧比の特性■
は相反する特性てあり、一般に損失の小さいＺｎＯ抵抗
体の素子は制限電圧比が大きくなってしまう。従って、
損失が小さく制限電圧比も小さいＺｎＯ抵抗体であれば
、課電率を高くして使用することが可能となり、ＺｎＯ
抵抗体を特性要素として用いる避雷器の小形化が実現で
きる。In a lightning arrester, it is desirable that the non-linearity index α is large, and α>3 when converted to a 30φ element as a ZnO resistor.
0 is required. - ■ If this α value is large, it limits the magnitude of leakage current at a constantly applied voltage, thereby reducing heat loss due to self-heating due to power consumption. 80 of the voltage between the terminals of the n O resistor V + mA
%), the heat loss (m W ) is Vl,
The value (m W / V) divided by l, A (v) is 0
03 or less is desirable. -■ Also, as a limiting voltage ratio (the ratio of the voltage between the terminals of the same non-linear resistor when Vl-A and other currents flow, which does not show protective characteristics in the large current region), the ZnO resistor has a diameter of 32φ. In the case of a device, it is desirable that the ratio between V2600A and V1mA at a current value of 250OA is 1.65 or less. -■ In addition, impulse deterioration (Δv1...A) is a characteristic that indicates the stability of the discharge withstand capacity of the ZnO resistor when pulsed surges such as lightning are applied. This characteristic is l0K
■1.1.9 change rate △■1□/ before and after applying A
It is expressed as v1mA, Δvl, HA/V1. nA
≦2% is desirable. −■ D Problems to be Solved by the Invention However, the requirements for the ZnO resistor described in “−■～■
Among the characteristics so far, the loss characteristics■ and the limiting voltage ratio characteristics■
have contradictory characteristics, and generally a ZnO resistor element with low loss has a large limiting voltage ratio. Therefore,
If a ZnO resistor has a small loss and a small limiting voltage ratio, it can be used with a high charging rate, and ZnO
It is possible to downsize a lightning arrester that uses a resistor as a characteristic element.
本発明は」二記課題に鑑み成されたもので、損失と共に
制限電圧比が小さいＺｎＯ抵抗体の提供を目的とする。The present invention has been made in view of the above two problems, and an object of the present invention is to provide a ZnO resistor with low loss and low limiting voltage ratio.
Ｅ 課題を解決するための手段
本発明は酸化亜鉛非直線性抵抗体の組成に特徴を有する
もので、
組成成分として酸化亜鉛（ＺｎＯ）を主成分としアルミ
ニウム（Ａ１２）を重量比で２０ ｐｐｍ以下の量とす
ると共にニッケル（Ｎ ｉ Ｏ）を０．５乃至０ 、７
ｍｏｆ２％、クロム（ｃ ｒ ２０３）を０２５乃至
０ 、５ ｍｏ１２％、マンガン（Ｍ ｎ Ｏ２）を０
．４５乃至０．６５ｍｏ（７％の範囲で添加することを
特徴とする。E Means for Solving the Problems The present invention is characterized by the composition of a zinc oxide nonlinear resistor, which contains zinc oxide (ZnO) as the main component and aluminum (A12) at a weight ratio of 20 ppm or less. The amount of nickel (N i O) is 0.5 to 0.7
mof2%, chromium (cr 203) 025 to 0, 5 mo12%, manganese (M n O2) 0
．． It is characterized by being added in a range of 45 to 0.65 mo (7%).
Ｆ４作用
上記手段を用いることにより、損失が小さく且つ制限電
圧比の小さい酸化亜鉛非直線性抵抗体を得ることができ
る。F4 action By using the above means, it is possible to obtain a zinc oxide nonlinear resistor with low loss and low limiting voltage ratio.
Ｇ、実施例
以下、本発明の実施例を図面を参照して詳細に説明する
。G. Examples Examples of the present invention will now be described in detail with reference to the drawings.
ＺｎＯ抵抗体は酸化亜鉛（ＺｎＯ）を主成分とし、添加
物としてビスマス コバルト マンガンクロム、ｉ−１
い素、ニッケル及びアルミニウムを加えて配合した原料
を焼成して成るセラミックスである。このＺｎＯ抵抗体
におけるアルミニウムの添加混合が、制限電圧比特性に
与える効果について！Ｊ１特公昭６３−３０７６５号「
酸化亜鉛非直線抵抗体」に開示している。ZnO resistor has zinc oxide (ZnO) as its main component, with additives such as bismuth cobalt manganese chromium and i-1.
Ceramics made by firing raw materials mixed with silicon, nickel, and aluminum. About the effect of adding aluminum in this ZnO resistor on the limiting voltage ratio characteristics! J1 Special Publication No. 63-30765
"Zinc Oxide Nonlinear Resistor".
本実施例ではＺｎＯ抵抗体に加える各添加物の添加量が
各種特性に与える効果について測定を行った。この測定
は各添加物の添加量を２通りに変えた組成について実施
した。即ち純度９９％のＺｎＯに、０ｒ２Ｏ３を０．１
９ｍｏ１２％と０ 、２４ ｍｏＱ％。In this example, the effect of the amount of each additive added to the ZnO resistor on various characteristics was measured. This measurement was carried out for compositions in which the amounts of each additive added were changed in two ways. That is, 0.1 0r2O3 was added to ZnO with a purity of 99%.
9mo12% and 0,24 moQ%.
Ｍ ｎ ０２を０ 、７４ ｍｏｆ！％と０ 、７３
ｍｏＱ％ ＮｉＯを０．３７ｍｏ１２％と０．４７ｍｏ
ｆ！％ Ｃ０ｚ０３を０９６ｍｏ１２％と０．９７ｍｏ
Ｃ％ Ｓｂ、Ｏａを０．９３ｍｏ（２％と０．９６ｍｏ
ｌ％、Ｂｉ２’３を０．５３ｍｏｆ２％と０５５ｍｏＣ
％に夫々秤量し、これにアルミニウムを硝酸アルミニウ
ム水溶液で所定量加えて混合してスラリーとした。この
混合スラリーを乾燥、造粒した後円板に加圧成形し、焼
成して焼結体を得た。M n 02 to 0, 74 mof! % and 0, 73
moQ% NiO 0.37mo12% and 0.47mo
f! % C0z03 with 096mo12% and 0.97mo
C% Sb, Oa 0.93mo (2% and 0.96mo
l%, Bi2'3 with 0.53mof2% and 055moC
%, and a predetermined amount of aluminum was added thereto in an aluminum nitrate aqueous solution and mixed to form a slurry. This mixed slurry was dried, granulated, pressure-molded into a disk, and fired to obtain a sintered body.
この焼結体を研磨した後にｔａ電極を焼き付けた。After polishing this sintered body, a ta electrode was baked on it.
この焼結体から成るＺｎＯ抵抗体をアルミニウムの添加
量を種々に変えて製造し、アルミニウム添加量に対する
非直線性指数αの変化（第１図）制限電圧比Ｖ Ｒ／Ｖ
Ｃと制限電圧比の変化（第２図）、損失（第３図）を
夫々測定しグラフに表した。ZnO resistors made of this sintered body were manufactured by varying the amount of aluminum added, and the change in nonlinearity index α with respect to the amount of aluminum added (Fig. 1) Limiting voltage ratio V R / V
Changes in C, limiting voltage ratio (Fig. 2), and loss (Fig. 3) were measured and graphed.
この測定結果から、アルミニウムの添加量を減量すれば
、第３図に示したように２０ ｐｐｍ （重量化）位か
ら急激に損失（ｒｎ Ｗ ／ Ｖ ＋。、Ａ）が減少す
ることがわかる。またこの変化にともなって非直線性指
数α値も第１図に示すように減少する関係になる。一方
制限電圧比は第２図に示すようにアルミニウム２０ｐｐ
ｍ比上で急に増大する。From this measurement result, it can be seen that if the amount of aluminum added is reduced, the loss (rn W / V +., A) decreases rapidly from about 20 ppm (weighted) as shown in FIG. Further, with this change, the nonlinearity index α value also decreases as shown in FIG. On the other hand, the limiting voltage ratio is 20pp for aluminum as shown in Figure 2.
It increases rapidly on the m ratio.
上記の測定結果を基に損失（ｍＷ／Ｌ□Ａ）が００３ｍ
Ｗ／■１ｎ、Ａにり小さくて、しかも制限電圧比（ＶＲ
／ＶＣ）か１．６５より小さい特性のＺｎＯ抵抗体を求
めるために、アルミニウムの添加量を減らした場合にお
いても制限電圧比（ＶＲ／ＶＣ）を小さくするようなニ
ッケル、クロム、マンガンの添加量の最適範囲を求めた
。即ち、夫々の単独の最適値はビスマス、コバルト、マ
ンガン、アンチモンクロム、（′］い素、ニッケルを夫
々Ｂｉ２０３−〇 、 ６ ｍｏ１２％、 Ｃ０２０３
＝ Ｉ 、 Ｏｍｏρ％、Ｍｎ０７＝０．６ ｍｏｃ％
、 ５ｂ２０３＝１．０ｍｏＱ％、ＣｒｔＯ３＝０．
２５ｍｏＱ％ Ｓ ｉ Ｏ，＝ １ ．５ｍｏＱ
％、Ｎｉ０＝０ 、５ ｎｏρ％として、これにアルミ
ニウム焼結体中に重量比で２０ｐｐｍというベース組成
において求めた。そして上記の組成のニッケル、クロム
、マンガンの添加量を変化させた場合の各種特性の変化
を測定した。Based on the above measurement results, the loss (mW/L□A) is 003m
W/■1n, A is small, and the limiting voltage ratio (VR
In order to obtain a ZnO resistor with characteristics smaller than /VC) or 1.65, the amount of nickel, chromium, and manganese added is such that the limiting voltage ratio (VR/VC) is reduced even when the amount of aluminum added is reduced. The optimal range of was determined. That is, the individual optimum values for each of bismuth, cobalt, manganese, antimony chromium, (') ion, and nickel are Bi203-0, 6 mo12%, and C0203.
= I, Omoρ%, Mn07=0.6 moc%
, 5b203=1.0moQ%, CrtO3=0.
25moQ% S i O, = 1. 5moQ
%, Ni0=0, 5 noρ%, and a base composition of 20 ppm by weight in an aluminum sintered body. Then, changes in various properties were measured when the amounts of nickel, chromium, and manganese added to the above composition were changed.
第６図は添加量の変化に対する特性値を示したもので、
Ｉ Ｎｉの最適範囲として、Ｎｉの添加量を増加させ
ると制限電圧比（ＶＲ／ＶＣ）は小さくなっていくが、
損失（ｍＷ／■１ｍＡ）が大きくなっていくので０ 、
５ ｍｏσ％〜０ 、７ ｍｏｆ！％が最適である。Figure 6 shows the characteristic values with respect to changes in the amount of Ni added.As the optimum range for I Ni, as the amount of Ni added increases, the limiting voltage ratio (VR/VC) decreases;
0 as the loss (mW/■1mA) increases,
5 moσ%~0, 7 mof! % is optimal.
２、 ０ｒの最適範囲として、第４図に示す損失と制限
電圧比の関係を表したグラフからも明らかなように、損
失が０ 、３’ｒｎＷ／ Ｌｌ、１Ａ以下で、制限電圧
比が１．６５以下の添加量は０．２５〜０゜５ｍｏρ％
が最適である。2. As is clear from the graph showing the relationship between loss and limiting voltage ratio shown in Figure 4, the optimum range for 0r is when the loss is 0, 3'rnW/Ll, 1A or less, and the limiting voltage ratio is 1. Addition amount below .65 is 0.25~0゜5moρ%
is optimal.
３、Ｍｎの最適範囲として、第５図に示す損失と制限電
圧比の関係を表したグラフからも明らかなように、損失
を０ 、０３ ｒｎ Ｗ ／ Ｖ ＋ 、１．Ａ以下に
する添加量は０．４５〜０．６５ｍｏρ％が最適である
。3. As the optimum range of Mn, as is clear from the graph showing the relationship between loss and limiting voltage ratio shown in FIG. The optimum amount of addition to make it below A is 0.45 to 0.65 moρ%.
以」二の測定結果からＮｉの添加量の最適範囲は０．５
〜０ 、７ ｍｏＱ％であり、Ｃｒの添加量の最適範囲
は０．２５Ａ−０，５ｍｏｉ２％であり、Ｍｎの添加量
の最適範囲は０４５〜０．６５ｍｏρ％となる。From the following measurement results, the optimal range of Ni addition amount is 0.5.
~0.7 moQ%, the optimum range for the amount of Cr added is 0.25A-0.5 moi2%, and the optimum range for the amount of Mn added is 045-0.65 moρ%.
次に第６図の試料Ｎ ｏ ｌ ８〜Ｎｏ２４に示すよう
に、」１記のＮｉ、Ｃｒ、Ｍｎの添加量を一定範囲内で
変化させると共に、アルミニウムの添加量を２０ ｐｐ
ｍから減少さ且た場合の各特性の変化を測定した。試料
Ｎ０１８はＭ ｎか０ 、７ ｍｏｂ％てＣｒが０．１
５ｍｏρ％の場合には」１記の最適範囲を外れる場合で
あり、損失は０ 、０３６ ｒｎ Ｗ ／ ＶｌｎＡと
なって要求した特性範囲を外れている。Next, as shown in samples No. 8 to No. 24 in FIG.
Changes in each property were measured when the weight was decreased from m. Sample No. 018 has M n or 0, 7 mob%, and Cr is 0.1.
In the case of 5 moρ%, the loss is outside the optimum range described in 1, and the loss is 0.036 rnW/VlnA, which is outside the required characteristic range.
また試料Ｎ ｏ １９− Ｎ ｏ ２１はＣｒがＯ，Ｉ
５ｍｏＱ％で最適範囲を外れているため制限電圧比ＶＲ
／ ＶＣが６５となって要求特性範囲を外れている。こ
れに比へて試料Ｎｏ２２−Ｎｏ２４はＭｎＣｒＮｉの夫
々の添加量がいずれも最適範囲に入っているために、損
失は００３ｍＷ／ｖｌｎ１Ａ以下で、制限電圧比ＶＲ／
ＶＣも１．６５以下となり、要求特性を満足している。In addition, in samples No. 19-No. 21, Cr is O, I
Since it is out of the optimum range at 5moQ%, the limiting voltage ratio VR
/ VC is 65, which is outside the required characteristic range. In contrast, in samples No. 22 to No. 24, the respective addition amounts of MnCrNi are within the optimum range, so the loss is less than 003 mW/vln1A, and the limiting voltage ratio VR/
VC was also 1.65 or less, satisfying the required characteristics.
Ｈ０発明の効果
以上、説明したように本発明は酸化亜鉛非直線性抵抗体
の組成成分としてアルミニウムを重量比２
で２０ｐｐｍ以下の量とすると共にニッケルを０．５乃
至０ 、７ ｍｏ＆％、クロムを０．２５乃至０５ｍ０
ρ％、マンガンを０．４５乃至０．６５ｍｏρ％の範囲
で添加したので、損失が０ 、０３ ｍ Ｗ ／ Ｖ３
．、、Ａ以下で、且つ制限電圧比Ｖ Ｒ／Ｖ Ｃが１．
６５以下の、熱損失が小さく大電流領域にお（Ｊる電圧
の立上りが低く電圧の非直線性に優れた酸化亜鉛非直線
性抵抗体の提供が可能となり、避雷器に小形で優れた特
性の特性要素として用いることができる。Effects of the H0 Invention As explained above, the present invention uses aluminum as a compositional component of a zinc oxide nonlinear resistor in an amount of 20 ppm or less at a weight ratio of 2, and nickel in an amount of 0.5 to 0.7 mo&% and chromium. 0.25~05m0
ρ%, manganese was added in the range of 0.45 to 0.65moρ%, so the loss was 0.03 mW/V3
．． ,,A or less, and the limiting voltage ratio V R/V C is 1.
65 or less, which has low heat loss and is suitable for large current ranges (J).It is now possible to provide zinc oxide nonlinear resistors with low voltage rise and excellent voltage nonlinearity, making it possible to provide lightning arresters with small size and excellent characteristics. It can be used as a characteristic element.
図面は本発明に係る酸化亜鉛非直線性抵抗体の添加物が
特性に与える影響を説明するもので、第１図はアルミニ
ウムの添加量に対する非直線性指数（α）の変化を示す
図、第２図はアルミニウム示す図、第３図はアルミニウ
ムの添加量に対する損失の変化を示す図、第４図はクロ
ムの添加バＮに対する損失と制限電圧比の変化を示す図
、第５図はマンガンの添加量に対する損失と制限電圧比
の変化を示す図、第６図は各添加物の添加量に対する損
失と制限電圧比及びインパルス劣化の変化を示す測定値
を示したものである。
外２名The drawings are for explaining the influence of additives on the characteristics of the zinc oxide nonlinear resistor according to the present invention. Figure 2 is a diagram showing aluminum, Figure 3 is a diagram showing changes in loss with respect to the amount of aluminum added, Figure 4 is a diagram showing changes in loss and limiting voltage ratio with respect to the addition of chromium, and Figure 5 is a diagram showing changes in loss with respect to the addition amount of chromium. FIG. 6 shows measured values showing changes in loss, limiting voltage ratio, and impulse deterioration with respect to the added amount of each additive. 2 people outside
Claims (1)
において、 組成成分としてアルミニウム（Ａｌ）を重量比で２０ｐ
ｐｍ以下の量とすると共にニッケル（ＮｉＯ）を０．５
乃至０．７ｍｏｌ％、クロム（Ｃｒ＿２Ｏ＿３）を０．
２５乃至０．５ｍｏｌ％、マンガン（ＭｎＯ＿２）を０
．４５乃至０．６５ｍｏｌ％の範囲で添加することを特
徴とした酸化亜鉛非直線性抵抗体。(1) In an oxidized nonlinear resistor whose main composition is zinc oxide, aluminum (Al) is contained as a composition component at a weight ratio of 20p.
The amount of nickel (NiO) is 0.5 pm or less.
0.7 mol% to 0.7 mol%, chromium (Cr_2O_3)
25 to 0.5 mol%, manganese (MnO_2) 0
．． A zinc oxide nonlinear resistor characterized in that the zinc oxide is added in a range of 45 to 0.65 mol%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1149873A JPH0314201A (en) | 1989-06-13 | 1989-06-13 | Non-liniarity zinc oxide resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1149873A JPH0314201A (en) | 1989-06-13 | 1989-06-13 | Non-liniarity zinc oxide resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314201A true JPH0314201A (en) | 1991-01-22 |
Family
ID=15484514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1149873A Pending JPH0314201A (en) | 1989-06-13 | 1989-06-13 | Non-liniarity zinc oxide resistor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314201A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852802A (en) * | 1981-09-24 | 1983-03-29 | 株式会社明電舎 | Zinc oxide nonlinear resistor |
-
1989
- 1989-06-13 JP JP1149873A patent/JPH0314201A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852802A (en) * | 1981-09-24 | 1983-03-29 | 株式会社明電舎 | Zinc oxide nonlinear resistor |
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