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.
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IS420ESWBH2A gateway module GE IS420ESWBH3A New original
IS420ESWBH1A switch
IS420ESWAH5A Ethernet switch
IS420ESWAH4A network switch
IS420ESWAH3A Mark VIe network switch
IS420ESWAH2A high voltage switch
IS420ESWAH1A eight-port switch
IS220YDOAS1A I/O module
IS220PSCAH1A Communication I/O module
IS220PPDAH1B CPU controller
IS220PPDAH1A servo drive
IS215UCCAM03A control system I/O module
IS200WROBH1A Input/Output module
IS200TVIBH2B control module
IS200TBTCH1C electric couple input module
IS200TBCIH2B DCS module
IS200SRTDH1A Temperature suppression module
IS200SRTDH1A Temperature control module
IS200SCTLG1A PLC function module
IS200JPDGH1A I/O power module
IS200FOSAG1A Optical fiber interface module
IS200DAMEG1A Interface module
MVI56E-MCMR ProSoft Technology communications module
DS2020FECNRP010A Excitation module
GE PAC8000 Series 8602-FT-ST Field terminal
MV169-PDPMV1 PROSOFT communication module parameters
8200-1302 WOODWARD controller governor
2094-BM01-S Rockwell servo controller
AB PLC 1747-SDN communication module
1756-ENBT Rockwell module controller
FIREYE 85UVF1-1QD flame detector
80VD100PD.C022-01 B&R servo drive
FISHER 38B5786X132 Locator accessory
33VM52-000-29 Pacific Motor controller
31C075-503-4-00 SEW Frequency converter reducer
5SHY35L4503 IGCT module with SCR all new
1X00416H01 OVATION Power module
DS200TCTSG2ACC Programmable controller
DS200TCTSG1AFE turbine control
DS200TCTSG1AEE analog output module
DS200TCTSG1A Power controller
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