Guangdong Yufeng Industries Co., Ltd.
Guangdong Yufeng Industries Co., Ltd.
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What is a high-voltage fuse, what is its basic structure, function and classification?
14
2024 . 10
What is a high-voltage fuse, what is its basic structure, function and classification?
A high-voltage fuse is an overcurrent protection device used to protect high-voltage power equipment. Its main function is to quickly cut off the fault current by melting the fuse when an overload or short circuit occurs in the circuit, thereby protecting the power equipment from damage. High-voltage fuses are widely used in transformers, transmission lines and distribution systems.
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What Is A High-Voltage Load Switch, And What Are Its Functions And Classifications?
12
2024 . 10
What Is A High-Voltage Load Switch, And What Are Its Functions And Classifications?
A high-voltage load switch is a switch device used to connect and disconnect high-voltage power lines. Its main function is to perform disconnection and connection operations when the circuit is loade...
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What is a transformer, what is its basic structure and working principle? And what are its working characteristics ?
09
2024 . 10
What is a transformer, what is its basic structure and working principle? And what are its working characteristics ?
​A transformer is a measuring and protection device used in power systems. Its main function is to convert high voltage or large current into standard small voltage or small current for use in power equipment or instruments. Transformers are usually used to monitor voltage and current, and cooperate with relay protection devices to protect equipment in power systems.
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What are the working principle, advantages and disadvantages of vacuum circuit breaker
25
2024 . 09
What are the working principle, advantages and disadvantages of vacuum circuit breaker
A vacuum circuit breaker is a high-voltage switchgear used in power systems. Its main function is to quickly cut off the circuit when a fault occurs. Its working principle is to use the characteristics of the arc in a vacuum environment to achieve disconnection and closing. Specifically, the main components of a vacuum circuit breaker include a vacuum chamber, a contact system, an operating mechanism, etc.
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What are the working principle, advantages and disadvantages of oil circuit breaker
25
2024 . 09
What are the working principle, advantages and disadvantages of oil circuit breaker
Oil circuit breaker is a common high-voltage electrical equipment, mainly used to protect and control circuits in power systems. Its working principle is based on the insulation and cooling properties of oil, and uses bubbles in the oil to extinguish arcs.
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What are the working principles, advantages and disadvantages of air circuit breakers?
25
2024 . 09
What are the working principles, advantages and disadvantages of air circuit breakers?
What are the working principles, advantages and disadvantages of air circuit breakers?
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What are the functions, basic structures and classifications of high voltage circuit breakers?
25
2024 . 09
What are the functions, basic structures and classifications of high voltage circuit breakers?
A high-voltage circuit breaker is an electrical device used in a high-voltage system. Its main function is to protect power equipment and circuits from short circuits, overloads and other faults.
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What is an electric arc? What are the hazards of electric arc and what are the common methods of arc extinguishing
25
2024 . 09
What is an electric arc? What are the hazards of electric arc and what are the common methods of arc extinguishing
An electric arc is a conductive phenomenon formed by the interaction of free electrons and ions in a gas or air under high voltage. When current passes through a gas, the electric field ionizes the atoms or molecules in the gas, generating a large number of free electrons, thus forming an electric arc. Electric arcs are usually bright and high in temperature, which can reach thousands of degrees Celsius. They are widely used in welding, cutting and various electrical equipment.
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