• 12Jan2026
    How to check if the polarity of three-phase AC is correct?
    How to check if the polarity of three-phase AC is correct?
    The core of testing the polarity of three-phase American-style box-type transformers (American-type transformers) involves verifying the consistency o
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  • 12Jan2026
    DPE Insulation Paper and Its Application
    DPE Insulation Paper and Its Application
    1. DPE is 100% wood cellulose insulation paper, with performance far superior to traditional insulation paper. 2. Higher Electrical Strength – O
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  • 12Jan2026
    How to deal with transformer insulation damage?
    How to deal with transformer insulation damage?
    What is the standard maintenance interval for transformers? Based on the nature of maintenance work, transformer maintenance is categorized into overh
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  • 05Jan2026
    Explanation of Transformer Aluminum Winding (2)
    Explanation of Transformer Aluminum Winding (2)
    Continue to explain: 4. Skin Effect and Eddy Current Loss At 50Hz frequency, the skin depth of copper is 9.4mm while that of aluminum is 12.3mm. For t
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  • 05Jan2026
    Description of copper-aluminum transformer
    Description of copper-aluminum transformer
    At present, the winding of transformer is mainly made of copper wire and copper foil, but also made of aluminum wire and aluminum foil. However, there
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  • 31Dec2025
    What is three-phase imbalance? Including its identification criteria, causes,...
    What is three-phase imbalance? Including its identification criteria, causes,...
    I. What is three-phase imbalance? The term 'three-phase imbalance' commonly refers to the unequal power loads across each of the three live wi
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  • 17Dec2025
    Cooling methods for power transformers
    Cooling methods for power transformers
    According to IEC 60076-2:2011, the cooling method of liquid immersed transformers is identified by a 4-digit letter code, and the corresponding relati
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  • 30Dec2025
    The Components of Transformer-Oil Tank and Body
    The Components of Transformer-Oil Tank and Body
    The Components of Transformer-Oil Tank and Body Transformer oil tank I. Definition Transformer oil tank is a container for holding the transformer bod
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  • 27Oct2025
    Principle and Importance of Transformer Iron Core Grounding
    Principle and Importance of Transformer Iron Core Grounding
    Principle and Importance of Transformer Iron Core Grounding Transformer iron core grounding is a crucial safety measure in power systems. Its core rea
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  • 16Mar2026
    10 Core Production Processes of Oil-Immersed Transformers
    10 Core Production Processes of Oil-Immersed Transformers
    Manufacturing a qualified oil-immersed transformer is never a simple job. From raw material processing to finished product delivery, the whole product
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  • 29Jun2025
    Maintenance Strategies and Practices for Power Control Equipment
    Maintenance Strategies and Practices for Power Control Equipment
    Power control equipment is a core component of modern power systems, and its stable operation is directly related to the safety and reliability of the
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  • 18Jul2025
    Analysis of the Production Process for Pedestal-Mounted Transformers
    Analysis of the Production Process for Pedestal-Mounted Transformers
    As a critical component of power systems, the rigor of its production process directly impacts its performance and reliability. Its production require
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