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YH5W-24,YH5W-27,YH5W-30,YH5W-33,YH5W-36,YH5W-42 H10W-3 ,YH10W-6 ,YH10W-9 ,YH10W-10,YH10W-11 ,YH10W-12 ,YH10W-15,YH10W-18,YH10W-21 ,
YH10W-24,YH10W-27,YH10W-30,YH10W-33,YH10W-36,YH10W-42,YH5W-3L ,YH5W-6L ,YH5W-9L ,YH5W-10L,YH5W-11L ,YH5W-12L ,YH5W-15L,YH5W-18L,YH5W-21L ,
YH5W-24L,YH5W-27L,YH5W-30L,YH5W-33L,YH5W-36L,YH5W-42L YH10W-3L,YH10W-6L,YH10W-9L ,YH10W-10L,YH10W-11L,YH10W-12L,YH5W-15L,YYH5W-18L,YH5W-21L,
YH10W-24L,YH10W-27L,YH10W-30L,YH10W-33L,YH10W-36L,YH10W-42L
Metal Oxide Arreeter 氧化鋅避雷器
適用范圍氧化鋅避雷器主要用于保護(hù)配電變壓器、電纜頭變電站中的電氣設(shè)備免受大氣過(guò)電壓和操作過(guò)的電壓損壞。 Appliation: The ZnO arrester is mainly used to protect distribution transber, cable connector and electric equipment from being damaged by lightning impulse voltage and operated over-voltage.
功能特點(diǎn)
技術(shù)參數(shù)
經(jīng)典案例
基本原理 Keystone:
氧化鋅避雷器是目前國(guó)際最先進(jìn)的過(guò)電保護(hù)器。由于其核心元件采用氧化鋅電阻片，與傳統(tǒng)碳化硅避雷器相比，改善了避雷器伏安特性，提高了過(guò)電壓通流能力，從而帶來(lái)避雷器特征的根本變化。
當(dāng)避雷器在正常工作電壓下，通過(guò)避雷器的電流僅有微安級(jí)，當(dāng)遭受過(guò)電壓時(shí)，由于氧化鋅電阻片的非線性，通過(guò)避雷器的電流瞬間達(dá)到數(shù)千安培，避雷器處于導(dǎo)通狀態(tài)，釋放過(guò)電壓能量，從而有效地限制了過(guò)電壓對(duì)輸變電設(shè)備的侵害。
The zinc oxide arrester is the most advanced over-voltage protector in the world, due to make the resistor disc of core component mainly adopt zine oxide arrester, compared with the conventional siliconcarbide arrester, this presciption of the product improves greatly the volt-Ampere charateristics of the resistor disc and increased through-current capability at over-voltage so as to bring a radical changes for the characteristics of the arresters.
正常使用條件 Normal service conditions:
1.環(huán)境溫度不高于+40℃，不低于-40℃；
2.海拔高度不超過(guò)1000-2000m（高原地區(qū)應(yīng)在訂貨時(shí)注明）；
3.交流系統(tǒng)頻率50Hz或60Hz；
4.長(zhǎng)期施加在避雷器上的工頻電壓應(yīng)不超過(guò)避雷器持續(xù)運(yùn)行電壓；
5.最大風(fēng)速不超過(guò)35m/s；
6.地震烈度7度及以下地區(qū)；
7.污染地區(qū)要注明。
The ambient air temperarture is no higher than +40 degree. no lower than -40 degree.
The altitude above sea level does not exceed 1000~2000m (the altiplanoarea should be indicated when order).
AC system frequency 50~60HZ.
Industrial frequency voltage brought to bear on arrester for a long time does not exceed arrester’s sustained operation voltage.Maximum wind speed not exceed 35m/s.
The earthquake intensity does not exceed 7 degrees.
The filthy area should be given b indication.
技術(shù)性能 Technical perbance:
產(chǎn)品性能符合GB11032-2000、IEC60099-4
The technical perbance of the product is in confirm to IEC60099-4, IEC37-199/CDV, standard technical requirements.
型號(hào)說(shuō)明 Type instruction
