Maintenance Of Power Transformers
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Power transformers convert the AC voltage and current of one system into the voltage and current of another system by electromagnetic induction. Another device or several different voltage values with the same frequency.
The capacity of the power transformer is a customary value representing power. The power transformer is the size of the transmitted electric energy, expressed in KVA or MVA. When the rated voltage is applied to the transformer, when the power transformer is arranged in the product structure, in addition to considering that the amorphous alloy core is not affected by external forces, the power transformer must also accurately and reasonably select the parameters of the amorphous alloy during the characteristic calculation process.
The role of the power transformer is manifold. It can not only increase the voltage, and transmit electric energy to the power consumption area, but also reduce the voltage to the voltage used at all levels to meet the needs of power consumption. In the process of power system transmission of electric energy, loss of power transformer, voltage, and electric energy will inevitably occur. When transmitting the same power, the voltage loss is inversely proportional to the voltage. Power transformers consist of two or more coil windings wound on the same iron core. It is connected to a magnetic field and works on the principle of electromagnetic induction.
When power transformers are subjected to severe climatic changes (cold, heat), an additional check of the transformer oil level should be carried out. When the power transformer gas relay sends out an alarm signal, an external inspection should also be carried out on the power transformer maintenance plan. The bushing should be clean and free from damage, cracks, and discharge traces. The oil bag of the power transformer should be normal, the oil level should meet the requirements of the oil level tube scale, and there should be no oil leakage. The doors, windows, and latches of the power transformer room should be complete, the door should be locked, no rain can leak in the house, and the lighting and temperature should be suitable.
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