FFM系列防護(hù)電容器原理

用途及適用范圍 use and application
　　FFM 型防護(hù)電容器可與高壓電阻串聯(lián)構(gòu)成RC過(guò)電壓吸收裝置，適用與交流35KV 輸配電系統(tǒng)中吸收因真空斷路器( 或其它不重?fù)舸┑拈_(kāi)關(guān))開(kāi)合時(shí)產(chǎn)生的過(guò)渡過(guò)電壓，以保護(hù)系統(tǒng)內(nèi)高壓電器產(chǎn)品受電壓的損害，本產(chǎn)品還可當(dāng)作高壓電容在其他場(chǎng)合下使用。

　　FFMmodel protection capacitorwith high voltage resistancein series being RC is comp osedofvoltage absorption device,itfitswellwith 35kv electric system.due to vacuum breaker(or other non-heavy switch),it produces the transition voltage to protect the product with high voltage from damaging,it is also used on other occasions with high voltage capacitor．

型號(hào)說(shuō)明 model meanings

主要技術(shù)指標(biāo) main techniqueindessign
1. 電容偏差-5~+10%；
2. 損耗角正切值tan δ<0.05%；
3. 電介質(zhì)的電容強(qiáng)度2.15μ，歷時(shí)1min；
4. 其余技術(shù)要求均按照《GB.T4704-32 高壓并聯(lián)電容器》。
1.Capacitance Deviation:-5~+10% ;
2.Tangent of Loss Angle tanδ<0.05% ;
3.Electrical Strenth of Dielectric Medium 2.1 5μ Last a period of time:1min;
4.The other technology requirementis accordingto" GB.T4704-32High Voltage Shunt Capacitor".

使用條件 servicecondition
1. 電容器安裝運(yùn)行的海拔高度不超過(guò)1000m，環(huán)境空氣溫度為-40~+40℃。相對(duì)濕度不大于90%。
2. 安裝場(chǎng)所應(yīng)無(wú)腐蝕氣體、蒸氣和導(dǎo)電性或爆炸性塵埃，并無(wú)劇烈的機(jī)械振動(dòng)。
3. 電容器投入運(yùn)行時(shí)，其端子上的剩余電壓不超過(guò)額定電壓的10%。
4. 過(guò)載荷
4.1 穩(wěn)定過(guò)電壓
續(xù)運(yùn)行電壓時(shí)1.00μn，并能在1.2μn，工頻過(guò)電壓下*運(yùn)行。
4.2 操作過(guò)電壓
電容器的承受不重?fù)舸╅_(kāi)關(guān)所產(chǎn)生的1.5μn 的過(guò)渡過(guò)電壓( 峰值）。
4.3 穩(wěn)態(tài)過(guò)電流
電容器能在1.5In 穩(wěn)態(tài)過(guò)電流下運(yùn)行，這個(gè)過(guò)電流是由于諧波及，zui大容差和高至1.2In 的過(guò)電流共同作用的結(jié)果。
1.Height a bove sea level of capacitor’s installation and
shipping is not more than 1000m. Env ironmental air
temperature is-40 ℃ ~+40 ℃ Relative humidity is not more than 90% ;
2.There is no corruption gas,smoke,conductive or explosive dust,acute machine tremor in iastallation location no harmfuI gas or smoke.no conductive performance or acute tremor;
3.When cap a citors run,the spare voltage of its terminal is not more than10% of rated voltage;
4.Over Loading
4.1 Stabilization Voltage
　　 Stabilization voltage can continuously run ac the Voltage of 1.00μn and can also lastingly run at the industrial frequency voltage of 1.2μn.
4.2 Operated Voltage
　　 The bearing capacitor should not heav ily punch switch produced transition Voltage of 1.5μn(buzzing valuel).
4.3 Steady State Electricity
　　 Capacitor can be operated underthe 1.5In steady current. Duetcits harmonious wave,the result of current caused the max difference and height of 1.2In together.

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