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Outdoor power supply structure and corresponding recommended specific typesOutdoor power supply refers to power equipment used in outdoor environments, which usually needs to have characteristics such as waterproof, dustproof, and high and low temperature resistance. Therefore, when designing outdoor power supplies, it is necessary to choose suitable engineering plastics to ensure their stability and reliability.1. Shell structureThe shell structure of outdoor power supplies is usually designed to be waterproof, dustproof, and resistant to high and low temperatures to ensure their normal operation in harsh outdoor environments. Common shell structures include cylindrical, square, rectangular, etc. Among them, cylindrical shells are usually made of engineering plastics such as PBT, PA6, PC, etc; Square and rectangular shells are usually made of engineering plastics such as ABS, PC, PA6, etc.2. Internal structureThe internal structure of outdoor power supplies usually includes component...
2024
Inverter power supplyThe reverse process of converting direct current into alternating current using a thyristor circuit, which corresponds to rectification, is defined as inversion. For example, in an electric locomotive using thyristors, when going downhill, the DC motor is used as a generator to brake and convert the locomotive's potential energy into electrical energy, which is then sent back to the AC power grid. For example, if a running DC motor needs to brake quickly, it can also be operated as a generator, converting the motor's kinetic energy into electrical energy and sending it back to the power grid. Principle of inverter power supplyThe circuit that converts direct current into alternating current is called an inverter circuit. In specific situations, the same set of thyristor converter circuits can be used for both rectification and inversion.When the inverter is working in the inverter state, if the AC side of the inverter is connected to the AC power supply, the DC...
How to scientifically choose an electric bicycle charger? Let's take a look at this comparative experiment!Electric bicycles have become one of the means of transportation for consumers, and electric bicycle chargers, as the energy supply stations for electric bicycles, directly affect the range and user experience of electric bicycles in terms of performance and quality. In order to help consumers understand the real situation of the current quality of electric bicycle chargers and provide consumers with comprehensive and accurate consumption information, the Guangxi Consumer Rights Protection Committee conducted comparative experiments on electric bicycle chargers sold in the market, guiding consumers to choose and use electric bicycle chargers rationally and scientifically.Details of comparative experimentsSource and situation of samples for comparative experimentsThe samples for this comparative experiment were randomly purchased by staff from the Guangxi Consumer Committee as con...
If the mobile phone charger is not unplugged, it may lead to prolonged charging, consumption of electricity, resource waste, and is not conducive to energy conservation and consumption reduction; It may also lead to prolonged electrification, aging of the charger material, causing voltage breakdown and other phenomena, which can seriously cause short circuits, accidental electric shock, fire, explosion, and other hazards. Here is a specific introduction:1. Causing resource wasteWhen the charger is not charging, it runs at no load and its internal circuit board is powered on for a long time. The charger is still in working mode, which will consume electricity and cause resource waste, which is not conducive to energy conservation and consumption reduction.2. Easy to cause various dangerous phenomenaMobile phone chargers will drop the voltage from 220V to around 5V during operation, which requires them to have sufficient voltage resistance and insulation. However, with the passage of ti...
The standby power consumption of a power adapter refers to the power consumed by the power adapter in standby mode. When the adapter is not connected to an electronic device or when the electronic device is not in use, the power adapter still consumes a certain amount of power, which is called standby power consumption.Although standby power consumption is low, long-term use can also increase energy consumption and carbon emissions. Therefore, reducing the standby power consumption of power adapters is of great significance for energy conservation, emission reduction, and reducing the operating costs of electronic devices.Here are some methods to reduce standby power consumption of power adapters:1. Choose a low standby power adapter. Some power adapters have adopted a low standby power consumption design, and these power adapters consume lower power in standby mode. When purchasing electronic devices, you can choose these low standby power adapters.2. Turn off or disconnect the power...