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Power adapter circuit principle

High frequency power adapter According to the analysis of the internal structure of the power adapter, the power adapter use the working circuit principle of the power adapter. (1) the main circuit 1) the f...…

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The function of the power adapter

The power adapter is also called the external power supply (switch power adapter), it is the power supply voltage conversion device of a small portable electronic equipment and electronic appliances, this i...…

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Introduction of LED AC DC Power Supply

秒速快3Led ac dc power supply is a constant current source, and switching power supply is a constant voltage source。 Working Principle: There are two requirements for the supply of power supply by LED。 First, t。。。…

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Power adapter circuit principle
Power adapter circuit principle
High frequency power adapter According to the analysis of the internal structure of the power adapter, the power adapter use the working circuit principle of the power adapter. (1) the main circuit 1) the function of the input filter is to filter the clutter existing in the power grid and also to block the clutter feedback generated by the power adapter To the a...
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Introduction of LED AC DC Power Supply
Introduction of LED AC DC Power Supply
Led ac dc power supply is a constant current source, and switching power supply is a constant voltage source. Working Principle: There are two requirements for the supply of power supply by LED. First, the output voltage > the on-line voltage of LED is required, and secondly, the working current is required to be stable and not greater than the rated current ...
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Guanyuda Power Supply Co., Ltd 2020 Spring Festival Holiday Notice
Guanyuda Power Supply Co., Ltd 2020 Spring Festival Holiday Notice
Combined with the actual situation of our company according to national regulations The holiday arrangements for the Chinese Spring Festival in 2020 are as follows: 1. From January 20, 2020 to February 2, 2020, there will be 14 days off. On February 3, the whole factory went to work on time. 2. The company group annual party will be held on January 19, 2020....
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Warmly velcome UK customers to visit our company
Warmly velcome UK customers to visit our company
November 14, 2019, Ms. Sharon Ramsay General Manager Mr. Darren.Old Purchasing manager and Amy She Quality Technician from the UK came to our company for a visit. The company's foreign trade department, Joy and Wing, warmly welcomed our customer from afar. British customers have systematically visited our production workshop and testing room. During the...
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The difference of waterproof power supply with the average power adapter?
The difference of waterproof power supply with the average power adapter?
Level of waterproof IP67 waterproof power supply ,dust-proof (safety dustproof,immersed to 15cm to 1m working), High power factor,With short circuit, over current ,overload and other multiple protection, Mainly used in the article LED lights and other LED products, the most important characteristics is waterproof, can be used outdoors without again afraid of rain, the...
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In-depth analysis of the quality of the switching power adapter
In-depth analysis of the quality of the switching power adapter
The application of power adapters is very extensive. However, many of them are easy to “disuse”. Because some enterprises lack comprehensive and accurate understanding of safety standards, and the product structure design is unreasonable, in order to reduce costs, they do shoddy work and use inferior material. These is an important reason for the failure of some p...
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Power adapter circuit operation in three states
秒速快3Power adapter circuit operation in three states
In learning the power adapter circuit, to learn to analyze the circuit, start by understanding the three states of the circuit. There are three states of the circuit: the power adapter voltages in the three states of loading, short circuit, and no load are U=E-IR, U=0. U=E, the following describes the specifics of these three states. 1. Loading status The...
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The difference between UPS and EPS power supply
The difference between UPS and EPS power supply
1) the difference between UPS and EPS output UPS power supply is primarily aimed at computer and network equipment , the nature of low load , the current provisions of the UPS output power factor of 0.8 . The EPS is mainly used for power emergency support , the nature of the load is usually inductive or capacitive . Some loads are put into use after the...
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