The energy-saving transformer market has great potential, and technological innovation needs to be strengthened.

2021-09-10

The energy-saving transformer market has great potential, and technological innovation needs to be strengthened.

Traditional transformers consume a lot of energy, with transformer losses accounting for 30% to 40% of grid losses. Currently, the self-loss of all transformers in our country accounts for more than 3% of the national power generation. As a major energy consumer in the power transmission and transformation industry, promoting energy-saving transformers is imperative.

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The construction of urban and rural power grids promotes the steady growth of the dry transformer market.

The construction of urban and rural power grids promotes the steady growth of the dry transformer market.

Dry transformers refer to transformers whose iron core and windings are not immersed in insulating oil. They achieve cooling through air convection and have characteristics such as being non-flammable, flame-retardant, fireproof, explosion-proof, and environmentally friendly. They are safe and reliable to use, easy to install and maintain, can be placed deep into load centers, and are widely used in high-rise buildings, subways, train stations, airports, hospitals, petrochemical enterprises, and underground mines.

2021-09-10

The size of the transformer short-circuit impedance affects the operation of the transformer.

The size of the transformer short-circuit impedance affects the operation of the transformer.

The short-circuit impedance of a transformer, also known as impedance voltage, is defined in the transformer industry as follows: When the secondary winding of the transformer is short-circuited (steady state), the voltage applied when the primary winding carries the rated current is called the impedance voltage Uz. Typically, Uz is expressed as a percentage of the rated voltage, that is, uz=(Uz/U1n)*100%.

2021-09-10

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