Many people have encountered some small problems in the use of charging piles, although these problems are not big, they will be annoying. 1. Over-current protection, when the external load is too large, 15% of the entire current rating, the system will automatically cut off the power supply. 2. With zero-current shutdown function, when the charging is completed and the current drops to 0.5A, the rear charging station system will automatically shut down to prevent the user from not actively shutting down. Finally, if there is a fault, press the charging stop button next to the pile. The charging pile has a series of protection functions, as follows. 1. The charging pile guide function signal is connected to the pile pilot signal of the charging completion of the vehicle charging. It can be charged when the connection is normal. During the charging process of the charging pile manufacturer, if the signal is changed, the output switch is turned off for 80 milliseconds, and the charging is stopped. . 2. The function of the bidirectional switch. The output circuit of the charging pile adopts the bidirectional switch of the car charging pile manufacturer. When the charging stops and the bidirectional switch is turned off, a complete physical separation between the input and the charging can be realized. Now, new energy vehicles are the choice for consumers to buy cars with car charging piles. New energy vehicles can be driven by electricity, but what is the installation process of the car charging piles in the community? The first step is to determine the charging conditions, the key is whether there is a fixed parking space, and the hotel agrees to install charging piles. 1. After the user signs an agreement of intent to order a car with the car manufacturer or 4S dealer charging pile solution store, please perform the procedure of confirming the conditions of the car charging pile in the community. The materials that need to be provided include: . 1) A letter of intent to purchase a charging pile. 2) The identity certificate of the applicant. 3) Proof of property right or use right of the fixed parking space. 4) Application for installing customized equipment for electric vehicle charging piles on the parking space (approved by the property seal). 5) The floor plan of the parking space (garage) (or site environment photos). 2. After accepting the user's application, the charging pile ODM, the car manufacturer or the 4S store will verify the authenticity and integrity of the user's data, and they will cooperate with the power supply company to conduct electricity and construction feasibility on site according to the agreed survey. 3. The power supply company is responsible for confirming the user's power supply conditions and completing“Preliminary feasibility plan for self-use charging facilities”The preparation work, charging pile OEM.
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