August 2022

Analysis of important concepts of resistance

Analysis of important concepts of resistance In ELECTRONIC CIRCUIT, WHAT USE AMOUNT IS THE BIGGEST IS RESISTOR, APPLICATION SURFACE IS THE WIDEST IS RESISTOR, CHARACTERISTIC IS MOST "PURE" IT IS RESISTOR, CHECK OUT LIULIU2 METHOD THE SIMPLEST ALSO IS RESISTOR, RESISTOR EXISTS NOWHERE IN ELECTRONIC CIRCUIT. Resistor in the electronic circuit function is quite extensive, …

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Six requirements of precision metal stamping die processing process

In addition to high requirements in the production process of precision mold processing, the selection of raw materials, specification design, processing, precision, size and other related matters should be kept perfect. The process of precision die processing must use high precision processing technology to form the required shape specifications. What are the specific requirements and …

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High voltage electrician must know the safe operation knowledge, safety first

I. Inspection and use of insulation safety appliances q 1. What is insulation safety appliance? How many categories does it include? What are there in each category? An insulating safety appliance is a appliance used to prevent direct electric shock to a worker. Insulation safety appliances are divided into two categories: basic insulation safety appliances …

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Why is it difficult to read complex electrical drawings?

Electrical drawing is the core of electrical design, for the later set, PLC program, man-machine interface, equipment installation and operation maintenance are closely related! In the face of a set of electrical drawings, how can we quickly understand the design principle, product selection and wiring mode. Electrical engineer is the need to make drawings and …

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Summary of 47 practical electrical knowledge

Come and see how much knowledge you still lack 1. Primary loop -- from the generator through the transformer and transmission and distribution lines to the electrical equipment of the main wiring, usually called primary loop. 2. Secondary equipment -- Secondary equipment is auxiliary equipment for monitoring and measuring, operation control and protection of primary …

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An article to understand and calculate electrical clearance!

Creepage distance and electrical clearance Creepage distance: the shortest space between two conductive components measured along the surface of an insulating material. Crawling means the shortest distance an ant has to travel to get from one charged body to another. Electrical gap: The shortest space between two conductive components. You can think of it as …

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Why do these insulators on a high voltage bus look like mushrooms?

Insulators, as the name suggests, play an important role in power systems by isolating conductors. For example, they can be seen on telephone poles, transformer shells, high voltage iron towers, and even bullet trains. These insulators are more or less shaped like mushrooms with circular plates. So, do they look like this to look good? …

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