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Look! The main function of electrical

  • Author:Angelia
  • Source:www.diecastingpartsupplier.com
  • Release on :2017-06-28
With the progress of the times, many things in life are brought about by the convenience of science and technology, bringing convenient and efficient life to people. Now life is full of high technology. china Die casting parts on sales


The main function of electrical:

In order to ensure the reliability and safety of the operation of a single device, there is a need for a combination of several electrical components that can be used to achieve a certain control function, called a control circuit or a secondary circuit. These devices have the following features:

(1) automatic control function. High pressure and high current switching equipment, the volume is very large, generally use the operating system to control the points, closing, especially when the equipment out of the fault, you need to switch off the circuit automatically, to have a set of automatic control of electrical operation equipment, Automatic control of the power supply equipment.

(2) protection function. Electrical equipment and lines in the course of the operation will be fault, current (or voltage) will exceed the equipment and lines allow the work of the scope and limits, which requires a set of detection of these fault signals and equipment and lines to automatically adjust (disconnect, Switching, etc.) protection equipment. die casting mould services china


(3) monitoring function. Electricity is invisible to the eyes, whether a device is charged or powered off, can not be resolved from the outside, it is necessary to set a variety of audio and video signals, such as lighting and sound, a device for electrical monitoring.

(4) measurement function. Lighting and sound signals can only qualitatively indicate the working status of the equipment (with power or power), if you want to know the electrical work of the equipment, but also need a variety of instrument measuring equipment, measuring the various parameters of the line, such as voltage , Current, frequency and power size.

In the operation and monitoring of equipment, the traditional operating components, control electrical appliances, instruments and signals and other equipment can be replaced by computer control systems and electronic components, but in the small equipment and local control of the circuit still have a certain range of applications The This is also the circuit to achieve the basis of computer automation control.


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