Introduction to DC charging pile transformer cooling system The cooling...
DC charging pile DC Positive Pole Contact (DC+ Contact)
Main component
Concept:
DC Positive Pole Contact (DC+ Contact) refers to the contact point of the DC charging pile that is used to connect the positive pole of the DC power supply. In a DC charging system, electrical energy is transmitted from the power supply to the battery of an electric vehicle in the form of DC, and DC+ Contact is one of the key interfaces in this transmission process.
Function:
The main role of DC+ Contact is to act as a positive connection point for power transmission between the DC charging pile and the electric vehicle battery. It ensures that the current can flow smoothly from the charging pile to the battery of the electric vehicle, thus enabling fast charging.
Working Principle:
The working principle of DC charging pile is based on the basic law of electromagnetism. When the current passes through the coil of the contactor, a magnetic field is generated, which can attract an iron core, and the movement of the iron core drives one or more sets of contacts to close, thus closing the circuit. In the DC charging pile, DC+ Contact as part of the Contact system, when the charging pile starts, DC+ Contact will close, so that the current can flow to the battery of the electric vehicle. When charging is complete or the connection needs to be disconnected, DC+ Contact opens, cutting off the current.
DC CHARGING PIlE SERIES
DC charging pile is an efficient charging facility for electric vehicles, which uses direct current (DC) to directly charge the vehicle battery, significantly reducing the charging time. Compared with traditional AC charging piles, DC charging piles are able to provide higher power output and can usually charge an EV to 80% of its capacity in 30 minutes, providing users with a convenient charging experience.
Extended reading
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DC charging pile DC Positive Pole Contact (DC+ Contact)
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