Oct 31 2019
Ⅰ The Principle and Structure of Three-phase Power Transformer1. The Basic Structure of the Transformer The power transformer works by the principle of electromagnetic induction, so its most basic structural composition is the circuit and the magnetic circuit part. The
Oct 31 2019
Ⅰ IntroductionThe main feature of the vacuum tube computer is the use of the electron tube as the basic electronic component, which is large in size, large in power consumption, short in life, low in reliability and high in cost, and the internal memory uses a mercury delay line. During th
Oct 31 2019
IntroductionThe power transformer is an passive electrical device manufactured according to the principle of electromagnetic induction. Therefore, the power transformer should at least be able to efficiently utilize the core and winding of the electromagnetic induction. The main parts of the power t
Oct 25 2019
Ⅰ AbstractIn theory, the chemicals within the battery does not react with each other when the battery is not used, and redox reactions only occur when an electrical appliance is connected to the battery. In real life however, ordinary batteries, including dry batteries (alkaline), will ge
Oct 25 2019
Ⅰ Vacuum Tube DefinitionThe vacuum tube, also called electron tube or valve, is one of the earliest electrical signal amplifier components in electronics. A cathode electron-emitting portion, a control grid, an acceleration grid, and an anode (screen) lead enclosed in a glass containe
Oct 19 2019
IntroductionIn modern telecommunication equipment and various control systems, the filters (signal processing) are extremely widely used. Among all electronic components, the most used and most complicated technology is the filter. The advantages and disadvantages of the filter directly determine th
Oct 12 2019
Ⅰ IntroductionThe computer memory is an entity that memorizes information, which is important for the computer to have the ability to store data and information, to automatically execute programs continuously, and to perform extensive information processing. The computer memory is composed of a
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