18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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18650 battery pack 12v

release time:2024-04-18 Hits:     Popular:AG11 battery

  Low-cost testing solution for 18650 battery pack 12v vehicle charging piles

  Charging pile: DC charging pile, also known as fast charging, can convert mains power into direct current and directly recharge the battery pack for quick recharge.

  Pre-stage circuit: AC-DC converter, which rectifies mains power (AC) into direct current (commonly called HVDC high-voltage DC bus)

  Post-stage circuit: DC-DC converter, converts the DC power of the pre-stage into a voltage output that meets the needs

  Higher cruising range and shorter charging time are the goals that 18650 battery pack 12v vehicles are constantly pursuing, which makes the power of DC charging piles continue to increase. DC charging piles use multiple power modules connected in parallel to achieve high-power charging. In actual mass production, due to its high voltage, high current, and high power characteristics, its testing has always been a problem.

  Now ITECH has a better test solution. Take the test of a 150kW complete pile composed of 15kW modules as an example: when testing a single 15kWDC-DC power module, two 3U 18kW feedback source-load integrated systems IT6000B are used. The station can be used as a DC power supply to directly simulate the output of the front-end circuit and power the subsequent circuit for testing. The other one can also be used as an electronic load to simulate the battery pack's current absorption to test the output of the downstream circuit. What's even more outstanding is that it converts the DC-DC output into AC power through feedback (inverter), which affects the front-stage circuit. Power supply, inverter efficiency is up to 95%. For example, if a 15kW module is tested for 48 hours, it can save 15K*48*0.9=648 kilowatt hours of electricity. Calculated at 1 yuan per kilowatt hour, it can save 648 yuan, which greatly saves testing costs.

  The IT6000 series adopts a modular design and can expand the power up to 1152MW through master-slave parallel operation. For modules, when the whole machine is adjusted back and forth for testing, multiple IT6000Bs can be re-integrated to complete high-power testing. For example, when 5 single modules are tested at the same time, 10 18kW bidirectional sources can be controlled individually, covering the input and output testing of a single module. When the customer assembles the entire pile, 10 IT6000B can also be connected in master-slave parallel to form a 180kW DC electronic load for load testing of the entire pile, which greatly improves the utilization rate of the equipment and reduces the customer's hardware investment. Using IT6000B as a feedback load and testing the 150kW charging pile for 48 hours can save 6,480 yuan in electricity bills.

  In addition, the IT6000B series bidirectional source has a built-in high-speed data acquisition function, which can directly save data through the panel USB port and a U disk. The fastest Us-level data saving interval can be achieved, and long-term data storage can be achieved without the need for a PC, which can meet the diversification of customers. usage requirements.


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