low price single-phase dry type contral transformer

Single Phase Isolation Transformer is a transformer whose primary winding and secondary winding are single-phase windings. Unipolar switching power supply means that the output is unipolar, that is, there are only positive and negative outputs. Compared with bipolar switching power supply, bipolar switching power supply has three outputs, which are divided into positive power supply, negative power supply and ground wire. Single-phase transformer has simple structure, small volume and low loss, mainly low iron loss, which is suitable for application and popularization in low-voltage distribution network with low load density. Suzhou has used more than 1000 sets, saving 45GWh of electricity, and the experience is worth popularizing. Some data show that single-phase transformers are widely used in developed countries, such as the United States, Japan, and single-phase power supply. Under this propaganda, some people think that single-phase power supply has the magic of "loss reduction", that single-phase transformers are more energy-efficient than three phase transformers, and that single-phase power supply system is superior to three-phase power supply system. Actually, the single-phase transformer and single-phase power supply system are only complementary forms of the current three-phase power supply system, and they can only be applied to certain specific fields due to their own characteristics.

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