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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IS200WNPSH1ABA GE relay
IS200WETBH1ABA GE Component-dense board
IS200VTURH2BAC GE Primary turbine protection plate
IS200VTCCH1CBB GE Thermocouple input
IS200VRTDH1D GE I Board Components
IS200VCRCH1B GE Single groove plate
IS200VAICH1DAB GE Analog input
IS200TVIBH2BBB GE Vibration stop plate
IS200TVBAH2ACC GE Turbine control system
IS200TTURH1CFD GE The terminal board
IS200TSVCH1AJE GE Servo terminal board
IS200TRPAH2AHE GE End plate
IS200TREGH1BEC GE Board assembly
IS200TREAH2AED GE Turbine emergency trip model
IS200TPROS1CBB GE Turbine control system
IS200TPROH1BCB GE Redundant processor
IS200TDBTH6ACD GE Discrete simplex board
IS200TDBTH6ABC GE Simplex plate element
IS200TBCIS2CCD GE Isolation plate input
IS200TBCIH2CAA GE Single board component
IS200TBAIH1CCC GE Analog terminal board
IS200STCIH6AED GE Printed Circuit Board (PCB)
IS200STCIH2A GE Gas turbine management system
IS200SRTDH2ACB GE Printed circuit board
IS200SPIDG1ABA GE Master communication board
IS200SDIIH1ADB MRP683026 GE controller
IS200SAMBH1ABA GE TMR(Three-module redundancy) system
IS200JPDDG1AAA GE PCB module
IS200ISBBG2AAB GE Input synchronous bus bypass board
IS200HSL AH2ADE GE SLR LNK Interface
IS200ERIOH1AAA GE Excitation regulator
IS200EPSMG1AED GE Exciting power supply
IS200EGPAG1BCA GE Gate pulse amplifier board
IS200EGDMH1AFF GE Excitation field grounding detection module
IS200EGDMH1ADF GE Vibration exciter ground detection module
IS200DTAOH1ABA GE Printed circuit board
IS200DTAIH1ABB GE Ethernet communication
IS200DSPXH1DBD GE Energy system
IS200DSPXH1DBC GE Board assembly
IS200AEADH4ADA GE Steam turbine system
PFEA112-20-3BSE050091R20 ABB Tension amplifier
PFEA111-65-3BSE050090R65 ABB Tension amplifier
PFEA111-20-3BSE028140R0020 ABB Tension controller
PBSE5117 ABB Analog current monitor
PBSE1095 ABB Line reactor
HP-E1421B
IS200AEADH4ADA GE Orthogonal four-channel decoder
Hima-F7553 Processor module
Hima-F4301 High performance safety controller
HIMA-F3335 Industrial control module
Hima-F3322 Industrial controller
HIMA-B4231 Security module
Hima-99-2413602
HESG447351R0001—70BK06a-E ABB Serial Interfa
H7506 HIMA Relay module
H4135A-99-2413560 HIMA Safety relay
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