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02 07,2024
Yyy connection：What are the characteristics ?
Yyy connection：What are the characteristics ? The Yyy connection exhibits third harmonic voltage, but in three-phase three-legged core transformers, the third harmonic voltage does not exceed 5% of the fundamental. Therefore, it is suitable only for t...
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01 07,2024
Yyd and Ydd Connection : What are the characteristics?
Yyd and Ydd Connection : What are the characteristics? The Yyd connection is suitable for transformers with various core configurations, and its features include: a. The adoption of d-shaped winding on the low-voltage side allows for the elim...
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29 06,2024
How does humidity affect the operation of transformers?
How does humidity affect the operation of transformers? Relative humidity is expressed as a percentage at a certain temperature. At high temperatures, if the relative humidity is high, it is prone to the proliferation of mold. These molds may have adv...
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28 06,2024
Yd and Dy Winding Configurations: What are the characteristics?
Yd and Dy Winding Configurations: What are the characteristics? The Yd winding configuration is suitable for transformers with various core forms and features: a. The third harmonic current can circulate through the secondary side, eliminating the thi...
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27 06,2024
What is the winding configuration of a transformer?
What is the winding configuration of a transformer? The combination of the connection methods for the high, medium, and low voltage windings of a transformer is referred to as the winding configuration. The winding configuration is crucial for the per...
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26 06,2024
How is the lightning arrester protection implemented at the output terminals of the autotransformer?
How is the lightning arrester protection implemented at the output terminals of the autotransformer? When installing lightning arresters, it is necessary to install them at the high-voltage and medium-voltage output terminals of the autotransform...
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25 06,2024
Yy Connection Combination: What are its characteristics?
Yy Connection Combination: What are its characteristics? The Yy connection combination, in addition to possessing the characteristics of the Y-shaped winding, exhibits distinct features based on the different structures of the core. For core-type ...
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24 06,2024
What are the characteristics of the three commonly used winding configurations in transformers?
What are the characteristics of the three commonly used winding configurations in transformers? a. Y-shaped winding characteristics: The Y-shaped winding has a winding current equal to the line current, with a larger w...
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22 06,2024
How is the hot air vacuum drying method conducted?
How is the hot air vacuum drying method conducted? The hot air vacuum drying method is currently a widely adopted process. In this method, hot air with a temperature ranging from 105 to 130°C is introduced into a vacuum tank to heat the apparatus, ens...
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21 06,2024
How is the protection of the lightning arrester at the neutral point of the transformer carried out?
How is the protection of the lightning arrester at the neutral point of the transformer carried out? For transformers operating in a system with an effectively grounded neutral point, if the neutral point is not grounded, a lightning arrester should b...
