Description
hardware flow control. It is an ideal choice in the field of industrial automation.
[Introduction] PLC and frequency converter are two important electrical equipment in the field of industrial automation control. This book
combines the introductory knowledge of PLC and frequency converter. The main contents include introduction to PLC, PLC composition and
principle, and the use and application of PLC programming software. System development, basic instructions and applications, step instructions
and applications, functional instructions and use, the structure and principle of the frequency converter, the use of the frequency converter, as well as
the selection, installation and maintenance of the frequency converter.
What is a frequency converter ? Generally speaking, it is: AC – DC – AC (it can also be said to be rectifier first – then inverter). The frequency converter
that undergoes this process is also called AC-DC-AC frequency conversion. Currently, it is also used in various industries. One of the more commonly
used ones. In addition, there is also an AC-AC conversion, which is also called an AC converter.
1. What is a frequency converter?
Frequency converter is a power control device that uses the on-off function of power semiconductor devices to convert industrial frequency power into
another frequency. The frequency converter is mainly composed of rectifier (AC to DC), filtering, inverter (DC to AC), braking unit, drive unit, detection unit, microprocessing unit, etc.
The frequency converter is a device that converts industrial frequency power supply (50Hz or 60Hz) into AC power supply of various frequencies to
realize variable speed operation of the motor. The control circuit completes the control of the main circuit, and the rectifier circuit converts the AC
power into DC power. The DC intermediate The circuit smoothes and filters the output of the rectifier circuit, and the inverter circuit reverses the DC
power into AC power. For inverters that require a lot of calculations, such as vector control inverters, sometimes a CPU for torque calculation and some
corresponding circuits are needed. Variable frequency speed regulation achieves the purpose of speed regulation by changing the frequency of power supply to the motor stator winding.
Display operation panel IISACO1
Display operation panel IISAC01
Display operation panel IISAC01
Display operation panel IIPLM01
Display operation panel IIMTM01
Display operation panel IIMSM01
Display operation panel IIMRM02
Display operation panel IIMRM01
Display operation panel IIMPM02
Display operation panel IIMPM01
Display operation panel IIMLM01
Display operation panel IIMKM02A
Display operation panel IIMKM02
Display operation panel IIMKM01A
Display operation panel IIMKM01
Display operation panel IIMGC04
Display operation panel IIMGC03
Display operation panel IIMGC02
Display operation panel IIMGC01
Display operation panel IIMCP02
Display operation panel IIMCP01
Display operation panel IIMCL01
Display operation panel IIEDI01
Display operation panel IIAMS01
Display operation panel IIADP02
Display operation panel IIADP01
Display operation panel IEPWM02
Display operation panel IEPU02
Display operation panel IEPRD01
Display operation panel IEPMU01
Display operation panel IEPEP07
Display operation panel IEPEP04
Display operation panel IEPEP03
Display operation panel IEPEP01
Display operation panel IEPDS02
Display operation panel IEPDS01
Display operation panel IEPDP01
Display operation panel IEPBM01
Display operation panel IEPAS02
Display operation panel IEPAS02
Display operation panel IEPAS01
Display operation panel IEPAS01
Display operation panel IEPAF02
Display operation panel IEPAF01
Display operation panel IEMMU22
Display operation panel IEMMU21
Display operation panel IEMMU21
Display operation panel IEMMU21
Display operation panel IEMMU21
Display operation panel IEMMU12
Display operation panel IEMMU11
Display operation panel IEMMU04
Display operation panel IEMMU02
Display operation panel IEMMU01
Display operation panel IEMMU01
Display operation panel IEFAN90
Display operation panel IEFAN02
Display operation panel IEFAN01
Display operation panel IDPG 940128102
Display operation panel ICST08A9
Display operation panel ICSK20F1
Display operation panel ICSE08B5
Display operation panel ICSE08B5
Display operation panel ICSA04B5
Display operation panel IBA 940143201
Display operation panel IAM MODULE
Display operation panel HVC-02B 3HNA024966-00103
Display operation panel HVC-02 3HNA011999-001
Display operation panel HVC-01 2A 3HNA008270-001
Display operation panel HPC800K02
Display operation panel HIES207036R003
Display operation panel HIER466665R0099
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