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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1746-OW16 Allen-Bradley SLC 500 digital contact output module
1746-OV16 Allen-Bradley SLC 500 discrete sinking output module
1746-NR8 Allen-Bradley resistance temperature detector (RTD)/resistance module
1746-NO4V Allen-Bradley SLC 500 analog output module
MCP750 MOTOROLA single-slot hot-swappable CompactPCl board
1746-IB16 Allen-Bradley Medium density DC input module
1746-HSCE Allen-Bradley SLC 500 system high-speed counter module
1746-A7 Allen-Bradley SLC 500 chassis
1440-RMA00-04RC Allen-Bradley Input output module
140NOE77101 Schneider Ethernet TCP/IP module
30V4060 RELIANCE 30 HP GV3000/SE AC drive
DSQC646 3HAC026271-001 ABB ELAN EPS unit
3HAC17484-8108 ABB Rotate AC motor M8
0-60031-5 RELIANCE input/output resolver drives the PMI module
0-60028-2 RELIANCE gate drive interface module
0-60023-5 RELIANCE AC power technical module
0-60021-4 RELIANCE PMI processor
00-117-336 KUKA Multi-function board card
TBF120/7R PARKER amplifier 120V/7A torque resolver drives the servo
SI485/422 21809 KEBA Output card KEBA
S7820A1007 HONEYWELL Remote reset module
R7861A1026 HONEYWELL Ultraviolet flame amplifier
P0400VP CMP10 FOXBORO Communication processor 10 module
Kongsberg MRU-M-SU1 Motion reference unit
MTL831B MTL Multichannel temperature transmitter
Kongsberg MRU-2 Angular rate gyroscope
IPM02-P0904HA FOXBORO I/A series industrial power module 2
FBM242 RH916ND Foxboro discrete output interface module
BMXAMO0802 Schneider 8 Output analog output module X80
1030211 SICK Circuit board
65040-PACV-AYU2 VAT Vakuumventile AG Valve
2117-001-105 DEUBLIN Self supporting screw
1756-IB16 Allen-Bradley Controllogix l/O module
140DDO35300 Schneider Source output module
8V1090.00-2 B&R SERVO DRIVE
8AC123.60-1 B&R SS ENCODER INTERFACE MODULE
0100-00003 AMAT Stepper Drive
8AC110.60-2 B&R INTERFACE MODULE
330180-51-00 Bentley Nevada 3300XL preloader Sensor
XBTGK2120 Schneider Terminal keyboard
XBTFC044310 Schneider Touch panel
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