Traditional Culture Encyclopedia - Traditional festivals - What's the difference between dry-type transformer and mobile phone charger? Advantages and disadvantages?
What's the difference between dry-type transformer and mobile phone charger? Advantages and disadvantages?
Hello:
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1, difference:
The transformer outputs AC voltage, while the mobile phone charger outputs DC voltage.
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2. When the AC power supply fluctuates, the output voltage of the transformer will also fluctuate, while the output voltage of the charger is stable.
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3. (Dry-type) transformer is of iron core structure, with heavy weight and low efficiency; The charger adopts high-frequency switching power supply, which is light in weight and high in efficiency.
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