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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...
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20 06,2024
How is the External Withstand Voltage Test conducted?
How is the External Withstand Voltage Test conducted? The External Withstand Voltage Test is a one-minute AC high-voltage test conducted on the tested transformer, also known as the AC Withstand Voltage Test. This test is employed to assess the insula...
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19 06,2024
What types of capacitive bushings are there?
What types of capacitive bushings are there? For voltage levels of 110kV and above, using oil-immersed bushings would result in excessively large dimensions. Therefore, it is necessary to employ solid insulation manufactured based on the principle of ...
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18 06,2024
How is the lightning arrester protection of the transformer carried out?
How is the lightning arrester protection of the transformer carried out? The lightning arrester is the most crucial basic component for protecting power generation equipment and transmission and transformation equipment. It also forms the foundation f...
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17 06,2024
What are the precautions for live oil filtration?
What are the precautions for live oil filtration? a. Throughout the entire process of live oil filtration and degassing, the gas relay circuit of the transformer must be connected to the signal circuit to prevent gas leakage and oil running in the pip...
