空心電抗器

作者：陽泉變壓器廠   日期：2018-07-24  人氣：838

空心電抗器
       (1)簡述，通常，電壓低于35kV的制成，大于或等于35kV以上的制成。
       限流電抗器一般采用混凝土澆注結構，或上述環氧玻璃纖維包封結構。常常制成單相。
       (2)運行要求
       1)電杭器的運行應按銘牌規范的要求進行。運行中電壓不得超過額定電壓的10%，工作電流應不大于額定電流。當環境溫度高于35℃時，工作電流應適當降低，并加強通風。
       2)分裂電抗器一般不得單臂運行。為了保證母線的電壓質量，兩臂中的電流應相反，大小盡量一樣。
       3)要檢查接頭是否接觸良好，有無過熱現象。
       4)電抗器周圍應無磁性物體，并無其他雜物。
       5)支持瓷絕緣子清潔無裂紋，安裝牢固。
       6)電抗器室內空氣應流通，無漏水，柵欄應完好，并注意運行中的振動和噪聲。正常運行時，會發出均勻的“嗡嗡”聲。若線路或電容器短路時，響聲會顯著增大。
 
Air-core reactor
 
    (1) brief, usually made ??of dry-type voltage is lower than 35kV, greater than or equal to made ??more than 35kV oil-immersed.
    Limiting dry-type reactors are generally used to pouring concrete structure, or a glass epoxy encapsulation structure. Often made ??of single-phase.
(2) operational requirements
    1) Hang device operation should be the nameplate specification requirements. The running voltage should not exceed 10% of the rated voltage, operating current should not exceed the rated current. When the ambient temperature is above 35 ℃, operating current should be appropriately reduced and enhanced ventilation.
    2) split the reactor is generally not one arm running. In order to ensure the bus voltage quality arms in the current should be the opposite, as far as possible the same size.
    3) Check the connection is good contact, with or without overheating.
    4) The power around the reactor should be non-magnetic objects, no other debris.
    5) support the porcelain insulators clean and free of cracks, firmly installed.
    6) reactor indoor air circulation, no leakage, the fence should be in good condition, and pay attention to the operation of the vibration and noise. Normal operation will be issued a uniform "buzzing" sound. Line or capacitor shorted, the sound will be significantly increased.

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