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  • China The Main Power Transformers manufacturers - Canwin
    China The Main Power Transformers manufacturers - Canwin
    Main Power Transformer delivery to the customer.Any request, about transformers, pls contact our sales representative.
  • What is the main power transformer factory look like
    What is the main power transformer factory look like
    This video showed you what a main power transformer look like. 
  • Transformer No-load/Load Test Introduction
    Transformer No-load/Load Test Introduction
    No-load test: Apply the rated voltage of the sine wave rated frequency from a certain winding of the transformer (generally from the secondary low-voltage side), and open the other windings to measure the no-load current and no-load loss. If the test conditions are limited and the power supply voltage cannot reach the rated voltage, the test can be performed under non-rated voltage conditions. This test method has a large error and is generally only used to check whether the transformer is faulty. Only the test voltage reaches more than 80% of the rated voltage. can be used to test the no-load loss.
  • 55 Transformer Knowledge You Have to Know
    55 Transformer Knowledge You Have to Know
    1. What does △/Y0-11 mean on the transformer nameplate?Answer: According to the different connection methods of the primary coil and the secondary coil of the transformer, the phase angle of the line voltage on the primary side and the secondary side of the transformer is different. Transformer △/ Y0-11 means that the phase angle difference between the two line voltages of the transformer is 330°. It is customary to use the clock notation, that is, 11 o'clock.
  • A paper to explain the modeling and characteristic analysis of transformers
    A paper to explain the modeling and characteristic analysis of transformers
    IntroductiontransformerA device that changes voltage, current, or phase by coupling a magnetic circuitWhy learn Transformers?Transformers are also known as stationary AC motors
  • Power Transformer Basics
    Power Transformer Basics
    1. Classification and models of power transformers2. 1. Classification by use3. (1) Step-up transformer: used by the power plant to transmit electricity to the outside.4. (2) Step-down transformer: The substation of the power supply bureau is used for voltage conversion.5. (3) Distribution transformer: used to supply power to users.6. (4) Plant transformer: Provides internal electricity for the power plant.7. (5) Transformer for station: Provide internal electricity for the substation.8. (6) Converter transformer: for DC power transmission, one side is connected to AC power, and one side is connected to the converter valve.9. (7) Rectifier transformer: used in thermal power plants to supply power to electrostatic precipitators.
  • Inventory! 7 types of fault judgment methods and solutions for dry-type transformer noise, worth collecting!
    Inventory! 7 types of fault judgment methods and solutions for dry-type transformer noise, worth collecting!
    This article mainly counts 7 types of fault judgment methods and solution analysis of dry-type transformer noise. If there is any error or omission, please point it out in the comment area.Analysis of 7 types of fault judgment methods and solutions for dry-type transformer noise➢Resonance problems of fans, casings and other components➢Installation problems➢Influence of installation environment➢The problem of vibration of busbar bridge➢Transformer core resonates by itself.➢Transformer coil self-resonance➢The problem of the nature of the load
  • When the transformer core is stacked, what are the seam methods? When the transformer core is stacked, what are the seam
    When the transformer core is stacked, what are the seam methods? When the transformer core is stacked, what are the seam
    When the transformer core is stacked, what are the seam methods? What are the characteristics of each? This article starts from the popular science of iron cores, and expands and expands to check the seam method of silicon steel sheets when the transformer iron cores are stacked. (If there are any mistakes or additions, please leave a message at the end of the article)
  • Must see! A comprehensive explanation of the composition, structure, oil system and fault operation and maintenance
    Must see! A comprehensive explanation of the composition, structure, oil system and fault operation and maintenance
    Oil-immersed transformers have the characteristics of good heat dissipation, low loss, large capacity and low price. At present, most of the power transformers running on the grid are oil-immersed transformers, of which more than 80% are cooled by natural oil circulation. It is a commonly used cooling structure to set a guide plate in the coil of a natural oil circulation transformer. This paper focuses on analyzing the structure, operation and maintenance of oil-immersed power transformers, and specifically analyzes the oil system of oil-immersed power transformers, and briefly analyzes the faults of oil-immersed power transformers. Hope to increase understanding and analysis of my country's oil-immersed power transformers.
  • The most complete explanation of transformer cooling system
    The most complete explanation of transformer cooling system
    The cooling system of the power transformer consists of two parts: the internal cooling system, which ensures that the heat of the winding and the iron core is dissipated into the surrounding medium; the external cooling system, which ensures that the heat in the medium is dissipated to the outside of the transformer. According to the size of the transformer capacity, the medium and the type of circulation, the transformer adopts different cooling methods.
  • When does magnetizing inrush current occur in transformers?
    When does magnetizing inrush current occur in transformers?
    01 Inrush currentWhen a transformer is first energized, a phenomenon called magnetizing inrush occurs. Although inrush currents are generally not as disruptive as fault currents, the duration of magnetizing inrush currents is on the order of seconds (compared to periods with fault currents).
  • Analysis of Transformer Protection in Relay Protection
    Analysis of Transformer Protection in Relay Protection
    The transformer is a static device in continuous operation, which is relatively reliable in operation and has less chance of failure. However, since most of the transformers are installed outdoors, and are affected by the load during operation and the short-circuit fault of the power system, various faults and abnormal situations inevitably occur during operation.
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