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27 03,2023
The Harmful Effects of Harmonics on Electrical Systems
Harmonics are an unwanted distortion of the normal waveform of an electrical signal, caused by the presence of frequencies that are not part of the fundamental frequency of the system. In an electrical system, harmonics can have various harmful effects, b...
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23 03,2023
What is the relationship between transformer insulation level and temperature rise standard？
Insulation level and temperature rise: The insulation level of a transformer refers to the maximum allowable temperature rise, which is the heat resistance level of the insulation material used in the transformer. The temperature rise, on the oth...
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24 03,2023
What is the difference between foil winding and wire winding in transformers?
Foil winding refers to the winding made by winding aluminum foil or copper foil, and one turn is one layer. Foil winding is suitable for low voltage, high current transformer. Wire winding means winding with on...
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24 03,2023
What is the differences between Shell-Type and Core-Type Transformers
Transformers are essential devices in the transmission and distribution of electrical power. They are used to step up or step down voltage levels as required in various applications. The two most common types of transformers are the shell-type and core-ty...
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24 03,2023
The Reason behind Laminating Silicon Steel Sheets in Power Transformers
Silicon steel sheets are widely used in the manufacturing of power transformers due to their low magnetic losses. These sheets are made by rolling steel into thin sheets and then laminating them to reduce eddy current losses. The process of laminating sil...
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24 03,2023
Insulation Class and Temperature Rise
Insulation class and temperature rise are two critical factors that determine the maximum operating temperature of electrical equipment. Insulation class refers to the maximum allowable temperature rise that the insulation material of a particular electri...
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24 03,2023
Definition, Applications, Advantages, and Disadvantages of Split-core Transformers
Split-core transformers, also known as split-core current transformers (CTs), are a type of transformer that consists of two separate parts that can be opened and closed for installation around a conductor. These transformers are commonly used in pow...
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24 03,2023
Identifying Copper, Aluminum, and Copper-Clad Aluminum Transformers
Transformers can be made with different materials for their windings, including copper, aluminum, and copper-clad aluminum. Identifying which material is used in a transformer can be important for various reasons, such as determining the appropriate repai...
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24 03,2023
Understanding the Overload Range of Transformers (60 minutes at 1.2 times overload)
Transformers are essential electrical devices used to step up or step down voltage in power systems. They are designed to operate within specific limits, including their rated capacity and overload capacity. Overloading a transformer beyond its rated capa...
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24 03,2023
Power Factor and Conversion Formula between VA and W
When we talk about electrical power, we often use the terms VA and W. VA stands for Volt-Ampere, which is the unit of apparent power, and W stands for Watt, which is the unit of real power. Apparent power and real power are two different types of power th...
