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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TB852 3BSC950263R1 ABB RCU Link Terminator
5SHX1445H0001 ABB semiconductor module
F8650X HIMA CPU Module
F8627X HIMA Ethernet Communication Module
F8627 HIMA Ethernet Communication Module
F8621A HIMA CPU Module
F7131 HIMA Power Supply Monitoring
F7126 HIMA Power Supply Module
VE3007 KJ2005X1-BA1 12P4375X012 MX Controller
TPMC815-11 TEWS ARCNET Interface Module
TC-4000-S ATLAS DC Controller QST
LDGRB-01 3BSE013177R1 ABB I/O Module
3500/92 136180-01 Bently Nevada Communication Gateaway Module
1756-ENBTA Allen-Bradley communication module
GF0-57CQD-002 OMACO MICRO PANEL
MPB2-TP Eaton VIDEO CARD
SY-60702001RA FOXBORO PLC Module
PPC-TB50 WATLOWANAFZE PROCESS CONTROL BOARD
ELMA 1900002919-0000R
133396-01 Bently Nevada Overspeed Detection I/O Module
3500-22M 138607-01 BENTLY Standard Transient Data Interface Module
3500-05-02-04-00-00-00 BENTLY DC IN Card Input Module
V4561983-0100 V4559856 ALSTOM PLC Module
API4380-G ABSOLUTE PROCESS INSTRUMENTS
60WKS-M24022 KOLLMORGEN SERVO CONTROL DRIVE
60WKS-CE240 22PB KOLLMORGEN SERVO CONTROL DRIVE
K3NX-AD1A-FLK4 OMRON sensor
FX-316 EMERSON Drive
1000554 EMERSON PC BOARD
IC693MDL231 GE Isolated Input Module
T9431 ICS TRIPLEX Analog Input Module
IS230TVBAH4A GE terminal board
AO2000-LS25 ABB Process analyzer
AO845 3BSE045584R1 ABB Analog Output
SCE904AN-002-01 Kollmorgen Performance Digital Servo Drive
8200-1312 Woodward Integrated Graphical Front Panel HMI Screen
SCYC51010 ABB Power Voting Unit
SPBRC400 ABB Controller with Expanded Memory
146031-01 Bently Nevada Transient Data Interface I/O Module
1900 65A 167699-02 Bently Nevada Operator Interface *max order 1
1900 65A-01-02-01-00-00 Bently Nevada General Purpose Equipment Monitor
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