邵阳干式变压器:空心电抗器
空心电抗器
(1)简述,通常,电压低于35kV的制成干式,大于或等于35kV以上的制成油浸式。
干式限流电抗器一般采用混凝土浇注结构,或上述环氧玻璃纤维包封结构。常常制成单相。
(2)运行要求
1)电杭器的运行应按铭牌规范的要求进行。运行中电压不得超过额定电压的10%,工作电流应不大于额定电流。当环境温度高于35℃时,工作电流应适当降低,并加强通风。
2)分裂电抗器一般不得单臂运行。为了保证母线的电压质量,两臂中的电流应相反,大小尽量一样。
3)要检查接头是否接触良好,有无过热现象。
4)电抗器周围应无磁性物体,并无其他杂物。
5)支持瓷绝缘子清洁无裂纹,安装牢固。
6)电抗器室内空气应流通,无漏水,栅栏应完好,并注意运行中的振动和噪声。正常运行时,会发出均匀的“嗡嗡”声。若线路或电容器短路时,响声会显著增大。
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 overheat电 话:0635-8888299ing.
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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