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Shenzhen KINRI Energy Technology Co.,Ltd.

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· Why does the charger emit sparks when plugged into the power supply?

1. Poor contact between charger and socketIf there is poor contact between the charger and the socket, the charger will overheat, leading to sparks. This situation often occurs on old sockets, and replacing the socket may solve the problem. If it is a new socket, you can try cleaning the socket before plugging in the charger.2. Internal damage to the chargerInternal damage to the charger can also cause sparks, which can be caused by various reasons such as prolonged use, improper usage environment, etc. In this case, stop using it as soon as possible and send it to a professional repair agency for repair.3. The output voltage of the charger is too highOne of the reasons for sparking is that the output voltage of the charger is too high. Some low-quality chargers may have unstable output voltage or use devices with different voltages for charging, which can cause high voltage. So when using chargers, it is important to choose products produced by reputable manufacturers and avoid purch...
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05-22
2024
· What is the function of the y capacitor on a switching power supply?

Switching power supply, also known as switching power supply or switching converter, is a high-frequency electrical energy conversion device. Its function is to convert a precise voltage into the voltage or current required by the user through different forms of architecture. This is the most commonly used type of power supply, and Y-capacitors are generally required on switch mode power supplies. Do you know what the function of Y-capacitors on switch mode power supplies is?350W Switching Power SupplyIn switching power supplies, the Y capacitor is used for common mode filtering. It is connected between L and ground or N and ground to filter out common mode signals between L and ground or N and ground. The Y capacitor is usually used symmetrically and mainly serves as a bypass, decoupling, filtering, and energy storage.1. It is not easy to leak electricity.If the safety regulation Y capacitor is removed, there may be a tingling phenomenon when touching some switching power supplies. A...
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05-22
2024
· Why does the frequency converter go wrong when parked for a long time?

I believe many people have this question: how can a good frequency converter go wrong when placed? Actually, the reason behind this is not simple.frequency converterFirstly, electronic components will age. Just like how our bodies age over time, the electronic components inside the frequency converter will gradually age, deteriorate, or even fail due to environmental changes such as temperature and humidity after being placed for a long time, which poses a hidden danger for the explosion of the machine.Secondly, there is a problem with the capacitor. There are many capacitors in the frequency converter, which are like the "heart" of a machine. If not used for a long time, the electrolyte of the capacitor may dry up or deteriorate, the capacity will decrease, the leakage current will increase, and the crystal will be damp. If there is no standardized capacitor restructuring, once it is re used, it is extremely easy to cause the frequency converter to explode.Thirdly, dampness is also a...
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05-22
2024
· Three ways for power module heat dissipation

There are three ways for power module heat dissipation: convection, conduction, and radiation. In practical applications, convection is mostly used as the main heat dissipation method. If the design is appropriate and combined with two heat dissipation methods, conduction and radiation, the effect will be maximized. But if not designed properly, it can cause a backlash. Therefore, when designing power modules, designing a cooling system has become an important aspect.AC DC POWER MODULE1. Convective heat dissipation methodConvective heat dissipation refers to the transfer of heat through the fluid medium air to achieve heat dissipation, which is a commonly used heat dissipation method. There are generally two types of convection methods, forced convection and natural convection. Forced convection refers to the transfer of heat from the surface of a heating object to the flowing air, while natural convection refers to the transfer of heat from the surface of a heating object to the cool...
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05-21
2024
· Detailed Introduction to EV Charging Stations

At present, the focus of attention on electric vehicles is mainly on the range, distribution of EV EV charging Stations, charging speed, and battery decay. These issues can be solved through charging speed, which is related to EV EV charging Stations. Below, we will take you to understand the current situation of EV EV charging Stations in the market.7KW Smart AC EV Charging StationElectric vehicles are mainly driven by DC motors and battery packs, and the capacity of the battery pack determines the driving range. At present, the battery pack capacity of passenger cars is 30-90kw. h, with a range of 200-500km, while the battery pack capacity of buses is 60-240kw. h, with a range of 100-200km. For example, if the battery pack capacity of a taxi is 80kw. h, assuming the power of the EV charging Station is 120kw for dual guns and 60kw for single guns, it will take approximately 1.2 hours for 80kw. h/60kw. 120kw is 80kw. h/120kw=about 45 minutes.From the above, it can be seen that the hig...
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05-21
2024

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