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Power Transformer
Power transformers are critical stationary electrical devices used in power systems to step up or step down alternating current voltage and current. Their core function is to facilitate the efficient transmission, distribution, and safe utilization of electrical energy through the principle of electromagnetic induction.
The power transformer is a core “electrical energy hub device” in the power system. It uses the principle of electromagnetic induction to achieve contactless transformation of AC voltage (current) while maintaining the same frequency. Its primary functions are “step-up transmission and step-down distribution,” thereby resolving the contradiction between long-distance, low-loss power transmission and safe electricity usage by end-user devices. As an indispensable key component throughout the entire power chain—power generation, transmission, distribution, and consumption—it is widely used in all power-related applications, including power plants, substations, industrial enterprises, and residential buildings.