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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A-B 1747-L541 Controller module
Allen-Bradley 22B-D010N104 PowerFlex 4 Variable frequency drive
REXROTH BTV04.2GN-FW Microcontrol panel
GE DS3800DFXA1B1C DIGITAL SPEEDTRONIC IN/OUT GE BOARD
GE HE693ADC409A-22 Millivolt Analog I/O Module
IEMMU21 ABB Module Mounting Unit
HONEYWELL FC-SDOL-0424 Digital output module
871TM-BH8N18-N3 Inductive Sensor
GJR5252300R3101 07AC91F Analog I/O Unit
BENTLY 330101-23-39-10-12-CN sensor
PR6424/010-010+CON021 Shaft vibration sensor probe
Woodward 9907-018 2301A Forward Acting Speed Control
SYN5202-0271 ABB Synchronous device
ACU-01B 3HNA024871-001 Paint Robots
Agilent E1422A Remote Channel Multi-function DAC Module
Agilent E1460A 64-Channel Relay Multiplexer
Agilent E1451A Terminating 20 MHz Pattern I/O Module
Agilent E1441A Arbitrary Waveform Generator
Agilent E1490C VXI Breadboard Module
Agilent E1490B VXI Breadboard Module
Agilent E8305A 250 MHz Pulse Pattern Generator
Agilent E1438D 100 MSa/s Digitizer with DSP and Memory
Agilent E1420B High-Performance Universal Counter
Agilent E1406A VXI GPIB Command Module
Agilent E6234A VXI Pentium PC Controller
Agilent E1426A Digitizing Oscilloscope 500 MHz
Agilent 0950-2283 E1401B High-Power VXI Mainframe Power Supply
Applied Materials 0090-09061-A Thermal Electric Driver Module
Applied Materials 0110-09023-D Mini DI/DO Module
Applied Materials 0110-09022-B Mini AI/AO Module
Applied Materials 0100-09006-M1 Intelligence Interface Module
Applied Materials 0100-11002 Digital I/O VME Module
Applied Materials AMAT 0100-20173 Stepper Controller VME Module
Applied Materials 1043-0024-003 Digital Interface VME Module
Applied Materials 0100-01321 Digital I/O VME Module
Applied Materials 0100-20001 System Electronics Interface VME Module
Bently Nevada 200200-11-11-05 proTIM-R Module
Bently Nevada 1701/10 FieldMonitor 24-Volt dc Power Supply
Bently Nevada PWA88199-01 Rear Control Panel
Bently Nevada 78432-02 Power Input Module
Bently Nevada 78462-01 3300 Relay Module -Conformal Coated
Bently Nevada 3300/80-01-01-01 Six channel stick drop monitor
Bently Nevada 81192-03 Thermocouple Input Module
ASFC-01C 64649540 Switch fuse controller
Bently Nevada 81546-01 Dual Hermetic Relays Module
Bently Nevada 84142-01 XDUCR I/O and Record Terminals Module
Bently Nevada 86416-01 Multi-Channel Diagnositc Instrument
Bently Nevada 82925-01 XDCR I/O and Record Terminals Module
SYN 5202a-Z V221 3BHB006715R0221 SYNCHROTACT®5 is a fifth generation synchrotact device
Bently Nevada 84157-01 LVDT (POT) and Record Terminals Module
Bently Nevada 88501-01 3300 External KO Inputs and Buffered Outputs Module
Bently Nevada 76683-02 35mm 3300 Series Proximitor
Bently Nevada PWA88219-01U 3300 Power Supply
Bently Nevada 78462-02N 3300 Relay Module
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