The power system has traditionally been divided into three main components: power generation, transmission, and distribution. Power is first generated at power plants, then transmitted through high-voltage lines to substations, and finally delivered to end users via the distribution network. The part of the system that carries electricity from a substation—typically a high-voltage distribution station—to individual consumers is known as the power distribution system.
A power distribution system is a network made up of various electrical equipment and facilities designed to step down voltage and deliver electricity directly to customers. It plays a critical role in ensuring that power reaches homes and businesses efficiently and safely.
Maintaining the safe operation of transformers is a key priority in our daily work. By analyzing common faults and abnormal operations, we can quickly identify issues and implement timely solutions to prevent potential failures. This proactive approach helps ensure the reliability and safety of the entire power system.
Transformers are essential components in both power transmission and distribution. According to maintenance and operation guidelines, regular inspections are necessary to monitor their performance and detect any early signs of trouble. This allows us to take corrective actions before minor issues become major problems.
Common abnormalities and faults in transformers include:
1. Unusual noises or sounds coming from the transformer.
2. An unexpected rise in oil temperature under normal load and cooling conditions.
3. A significant change in the color of the insulation oil.
4. Oil leakage from the oil pillow or explosion-proof tube.
5. Imbalance in the three-phase voltages.
6. Activation of relay protection systems.
7. Flashing or explosions on the porcelain bushings.
8. Malfunction of the tap changer.
By staying vigilant and addressing these issues promptly, we can maintain the stability and safety of the power grid.
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