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The EI48 Low Frequency Power Transformer is a robust and efficient transformer designed for low-frequency applications, typically operating at 50Hz or 60Hz. It features an EI48 laminated core made of high-quality silicon steel, which ensures low core losses and high magnetic efficiency. This transformer is commonly used in power supplies, industrial equipment, and audio systems, where reliable voltage conversion and isolation are required. Its larger size compared to smaller EI cores allows for higher power handling and improved thermal performance, making it suitable for medium to high-power applications. The EI48 transformer is known for its durability, efficiency, and cost-effectiveness, making it a preferred choice for both industrial and commercial uses.The "EI" in the name of the EI48 low-frequency power transformer indicates that the iron core has an EI shape, which can effectively improve magnetic conductivity and reduce magnetic leakage. And '48' usually represents the size specification of the iron core, a larger size means it has corresponding characteristics in terms of power bearing and other aspects. This transformer operates in a low-frequency environment and utilizes the principle of electromagnetic induction to convert the input low-frequency AC power into outputs of different voltage levels through the turns ratio of the primary winding. It adopts high-quality silicon steel sheet iron core, which can reduce hysteresis and eddy current losses in low frequency state. Combined with high-purity copper winding, it further improves the efficiency of electrical energy conversion. With its efficient and stable characteristics, it is widely used in fields that require low-frequency power conversion, such as audio power amplifiers and power modules for some industrial equipment, providing stable and reliable power support for these devices and ensuring their normal operation.
| Working Principle Aspect | Descriptions |
| Input Voltage Application | An alternating current (AC) voltage is applied to the primary winding of the EI48 Low Frequency Power Transformer. This AC voltage creates a time - varying magnetic field around the primary winding. |
| Core Function | The EI48 - shaped core, typically made of high - quality silicon steel sheets, serves as a magnetic conductor. It guides and concentrates the magnetic flux generated by the primary winding. The unique EI shape of the core helps in minimizing magnetic leakage, ensuring that most of the magnetic flux is efficiently transferred through the core to the secondary winding. |
| Winding Interaction | According to Faraday's law of electromagnetic induction, the time - varying magnetic flux passing through the secondary winding induces an electromotive force (EMF) in it. The ratio of the number of turns in the primary winding to the number of turns in the secondary winding determines the transformation ratio of the transformer. This ratio directly affects the output voltage relative to the input voltage, following the equation |
| Output Voltage Generation | The induced EMF in the secondary winding results in an output AC voltage. If the number of turns in the secondary winding is less than that in the primary winding , the transformer steps down the voltage. Conversely, it steps up the voltage. In the case of a step - down EI48 Low Frequency Power Transformer, the output voltage is lower than the input voltage, providing a suitable voltage for the connected electrical devices. |
| Power Conservation | In an ideal transformer, the power input is equal to the power output, neglecting losses. However, in real - world EI48 transformers, there are some losses. These include copper losses in the windings due to the resistance of the wire and core losses (hysteresis and eddy current losses) in the silicon steel core. Despite these losses, the transformer still efficiently transfers power from the primary to the secondary side. |
