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变压器的维护和保养应如何进行

How should the transformer be maintained and maintained?
1、预防渗漏油:油浸式变压器在油箱内充满变压器油,装配中依靠紧固件对耐油橡胶元件加压而密封。密封不严是变压器渗漏油的主要原因,故在维护与保养中应特别注意。
1, prevent leakage of oil: oil immersed transformer in the tank filled with transformer oil, assembly in the fastening on the oil resistance rubber components sealed by pressurization. Tight seal is the main reason for leakage of oil, so attention should be paid to maintenance and maintenance.
山东变压器http://www.jnwdsh.com小螺栓是否经过震动而松动,如有松动应加紧固,加紧程度应适当,并应各处一致。
Small bolts are shaken and loose, if loose, should be tightened, the tightening should be appropriate, and should be consistent everywhere.
橡胶是否断裂或变形严重。这时可更新的橡胶件,更换时应注意其型号规格是否一致,并保持密封面的清洁。
Does the rubber break or deform badly?. Rubber parts that can be renewed at this time shall be noted for their specifications and specifications and for the cleanliness of the sealing surfaces.
2、预防变压器受潮:变压器是高电压设备,要求保持其绝缘性能良好。油浸式变压器极易受潮,预防受潮是维护保养变压器采取的主要措施之一。
2. Prevent transformer from damp: transformer is a high voltage equipment, it is required to maintain good insulation performance. Oil immersed transformer is easy to get damp, and prevention of moisture is one of the main measures to maintain the transformer.
变频器使用变压器应如何选择?
How should frequency transformer be chosen?
1 .额定交流电流的选择
1. selection of rated AC current
额定交流电流是从发热方面设计变压器的长期工作电流,同时应该考虑足够的高次谐波分量。即输出变压器实际流过的电流是变频器电机负载的输出电流。
The rated AC current is designed from the heating aspect of the transformer's long operating current, while sufficient harmonic components should be considered. That is, the output current of the output transformer is the output current of the motor load of the inverter.
山东变压器厂家
2. 电压降
2. voltage drop
电压降是指50HZ时,对应实际额定电流时变压器线圈两端的实际电压降。通常选择电压降在4V~8V左右。
Voltage drop refers to the actual voltage drop at the ends of the transformer coil when 50HZ corresponds to the actual rated current. Usually the voltage drop is about 4V~8V.
3. 电感量的选择
3. selection of inductance
变压器的额定电感量也是一个重要的参数!
The rated inductance of a transformer is also an important parameter!
电力网中所采用的变压器,实质上是一个无导磁材料的空心线圈。它可以根据需要,布置为垂直、水平和品字形三种装配形式。在电力系统发生短路时,会产生数值很大的短路电流。
A transformer used in an electric network is essentially a hollow coil without a magnetic conductive material. It can be arranged according to the needs of vertical, horizontal and font three assembly forms. In the case of short circuit in the power system, the short-circuit current with great value will be produced.
由于采用了变压器,在发生短路时,变压器上的电压降较大,所以也起到了维持母线电压水平的作用,使母线上的电压波动较小,保证了非故障线路上的用户电气设备运行的稳定性。
As a result of the transformer, the short circuit occurs, the voltage drop on the larger, so to maintain the bus voltage levels, the voltage fluctuation on the bus, to ensure the stability of the user operation of the electrical equipment on the non fault line.
近年来,在电力系统中,为了消除由高次谐波电压、电流所引起的电容器故障,在电容器回路中采用串联变压器的方法改变系统参数,已取得了显著的效果。3 x3 O! Y6 c* l I+ e
In recent years, in the power system, in order to eliminate the fault capacitor caused by harmonic voltage and current in capacitor circuit, using the method of series transformer changing system parameters, has achieved remarkable results. 3, X3, O, Y6, c*, l, I+, e
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