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EnglishMicrowave Oven Transformer: How does the transformer convert voltage?
Release time:
2021-03-09
Source:
The coil connecting the transformer and the power supply side is called the primary coil (or primary side), and the coil connecting the transformer and the electrical equipment is called the secondary coil (or secondary side). When the primary coil of the transformer is connected to an AC power source, a changing magnetic field line will be generated in the iron core.
Since the secondary coil is wound on the same iron core, the lines of magnetic force will cut off the secondary coil, and an induced electromotive force will inevitably be generated on the secondary coil, so that a voltage will appear at both ends of the coil. Because the magnetic field lines are alternating, the voltage of the secondary coil is also alternating. The frequency is exactly the same as the power frequency.
It has been theoretically confirmed that the voltage ratio between the primary coil and the secondary coil of the transformer is related to the ratio of the number of turns between the primary coil and the secondary coil, which can be expressed by the following formula: Coil voltage/Secondary coil voltage=Primary coil turns/The number of turns in the secondary coil indicates that the higher the number of turns, the higher the voltage. Thus, it can be seen that the secondary coil is smaller than the primary coil, which is a step-down transformer. Instead, it is a step-up transformer.
The above is the content collected by the small editor of Foshan Shunde Jingwei Electronic Appliance Co., Ltd. Please contact us if necessary. The company mainly supplies pressure cooker transformers, commercial electrical transformers, high and low frequency transformers, pin transformers, smoke machine transformers, disinfection cabinet transformers used in the fields of small household appliances, lamps, equipment, instruments and digital products. We have been following"Professional, quality, reputation" business philosophy, so the company's product quality is stable and reliable, cost-effective, has been accepted and affirmed by the majority of users. The company has a group of excellent employees, with excellent technology and excellence work style, actively invest in the research and development of new technologies and new processes in the industry, produce more cost-effective products, and strive to build a domestic and international first-class level Transformer manufacturers, dedicated to providing better services to new and old customers.
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