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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3500/22-01-01-00 | Control system module |BENTLY NEVADA
3500/20-02-02-00 | Frame interface module | BENTLY NEVADA
3500/20-01-01-00 | Frame interface module |BENTLY NEVADA
3500/15-02-02-00 | Power module | BENTLY NEVADA
3500/05-02-04-00-00-00 | Instrument frame |BENTLY NEVADA
3500/05-01-02-00-01 | Instrument frame | BENTLY NEVADA
3500/05-01-02-00-00-00 | Instrument frame |BENTLY NEVADA
3500/05-01-01-00-00-00 |Feeder protection relay | BENTLY NEVADA
3300/55-03-01-15-15-00-00-01-00 | Robot power panel |BENTLY NEVADA
3300/52-02-00-00 | System monitor | BENTLY NEVADA
3300/50-01-01-00-00 | System monitor |BENTLY NEVADA
3300/48-04-02-00-00 | Analog output module | BENTLY NEVADA
3300/47-01-04-01-00 | Temperature input module |BENTLY NEVADA
3300/46-04-02-01-00 | Armored eddy current probe |BENTLY NEVADA
3300/45-01-01-01-00| DCS/ distributed control system |BENTLY NEVADA
3300/40-12-01-01-00-00 | Mainboard of the I/O module |BENTLY NEVADA
3300/35-12-02-01-00-02 | Controller module |BENTLY NEVADA
3300/20-12-01-03-00 | Control system I/O module |BENTLY NEVADA
3300/16-13-01-00-00-00-00 | PLC module |BENTLY NEVADA
3300/20-12-01-00-00-00 |Monitoring module |BENTLY NEVADA
3300/16-13-01-00-00-00-00 | Power module |BENTLY NEVADA |Brand new
3300/16-12-01-01-00-00-02 | Dual channel vibration monitor |BENTLY NEVADA
3300/16-12-01-01-00-00-01 | Dual channel vibration monitor |BENTLY NEVADA |Brand new
3300/16-12-01-01-00-00-00 | Network interface module |BENTLY NEVADA |Brand new
3300/16-11-01-03-00-00-01 | Vibration monitor |BENTLY NEVADA | In stock
3300/14-01-02-00 | Analog input module |BENTLY NEVADA |Brand new
3300/12-03-20-00 | Processor module |BENTLY NEVADA | In stock
3300/12-02-22-01 | Power monitoring module |BENTLY NEVADA |Adequate stock
3300/12-01-20-00 | Dual channel vibration monitor |BENTLY NEVADA | In stock
3300/05-22-00-00 | Monitoring module |BENTLY NEVADA |Adequate stock
3300/03-03-00 | Monitoring module |BENTLY NEVADA | In stock
3300/03-02-01 | Monitoring module |BENTLY NEVADA |Brand new
3300/03-01-00| Monitoring module |BENTLY NEVADA | In stock
3500/44 | Aero-engine monitor |BENTLY NEVADA |Brand new
3500/65 | 16 channel temperature module |BENTLY NEVADA | In stock
3500/62 | Procedure variable monitor module |BENTLY NEVADA |Off the shelf, brand new
3500/64M | Dynamic pressure monitor |BENTLY NEVADA |Off the shelf, brand new
3500/61 |Temperature monitor module |BENTLY NEVADA |Off the shelf, brand new
3500/34 | TMR relay module |BENTLY NEVADA |Off the shelf, brand new
3500/95 |System integrated PC display device |BENTLY NEVADA |Off the shelf, brand new
3500/94 |VGA display unit |BENTLY NEVADA |Off the shelf, brand new
3500/93 |LCD display unit |BENTLY NEVADA |Off the shelf, brand new
3500/63 |Gas monitor |BENTLY NEVADA |Off the shelf, brand new
3500/72M |Piston rod position monitor |BENTLY NEVADA
3500/70M |Monitor module |BENTLY NEVADA
TK-3E/TK3-2E |calibrator |BENTLY NEVADA
IC697MDL740 | GE |Network communication module
IC697MDL671 | GE | Interrupt input module
IC698CHS117C | GE | rack
IC698CPE010 | GE | Module communication
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