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27 01,2024
How to Look at TheParallelOperation of Transformers？
How to Look at TheParallelOperation of Transformers？ The parallel operation of transformers refers to connecting the primary windings of two or more transformers to a common busbar and connecting their secondary windings to a common secondar...
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26 01,2024
What’s the Operation Steps for Transformer Start-Up？
What’s the Operation Steps for Transformer Start-Up？1. For transformers using forced oil circulation, the cooling system should be activated before commissioning. In the case of forced oil circulation water-cooled transformers, the oil system mu...
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25 01,2024
How does the load test run of the transformer work?
How does the load test run of the transformer work? When conducting a load test for transformers, the transformer can proceed to the load test phase only if there are no abnormalities during 24 hours of no-load operation. The specific operational step...
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24 01,2024
What’s the Steps for No-Load Trial Operation of Transformers
What’s the Steps for No-Load Trial Operation of Transformers 1.During the trial operation phase, start by placing the tap changer in the middle position and conduct a no-load trial run. Then, gradually switch to various positions, observing the c...
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23 01,2024
What is the Structure and Functions of transformer?
What is the Structure and Functions of transformer? The fundamental structure of a transformer comprises a core, winding, and insulation components. In order to ensure the safe and reliable operation of the transformer, it is also equipped w...
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22 01,2024
What’s thePurpose and Significance of Partial Discharge Testing
What’s thePurpose and Significance of Partial Discharge TestingPartial discharge refers to the phenomenon of discharge that occurs between electrodes but does not penetrate them. It is caused by weaknesses in the insulation of electrical equipment or defe...
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20 01,2024
What are the voltage levels of transmission and transformation lines in China? How can we distinguish between step-up and step-down transformers?
What are the voltage levels of transmission and transformation lines in China? How can we distinguish between step-up and step-down transformers? In China, the voltage levels of transmission and transformation lines include the following values (kV): ...
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19 01,2024
How are Power Transformers Classified by Insulation and Cooling Medium?
How are Power Transformers Classified by Insulation and Cooling Medium?Power transformers can be classified based on the insulation and cooling media of the winding, mainly including liquid-immersed, gas, and dry-type transformers. 1. Liquid-Imme...
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18 01,2024
What are the fault classifications of transformers?
What are the fault classifications of transformers?Faults in oil-immersed power transformers are generally divided into two main categories: internal faults and external faults. Internal faults primarily occur within the transformer's oil tank, includ...
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17 01,2024
Performance Parameters and Their Impact on Cost
Performance Parameters and Their Impact on Cost1.Short-Circuit Impedance The short-circuit impedance affects the voltage regulation and reactive power losses of transformers. A higher short-circuit impedance improves voltage regulation but results in ...
