Description
hardware flow control. It is an ideal choice in the field of industrial automation.
AC motors are divided into two categories, synchronous motors and asynchronous motors.
Asynchronous motors are relatively rare in daily life and are relatively large. Single-phase asynchronous motors are often seen on various processing
machines in rural homes and processing machines in ordinary small factories; the power supply used is ordinary 220V mains power, and it can work
and run on 101 live wire. For more subdivided types of single-phase asynchronous motors, the difference is not that big. This type of motor often has two
very large capacitors: starting capacitor and working capacitor.
If these two capacitors are broken, there will be abnormalities during startup or operation.
Polyphase asynchronous motors are often seen in hoisting machinery and large processing machinery; the size of polyphase asynchronous
motors is relatively large among all motor categories, and the power is not low. Most of these motors are equipped with corresponding frequency
converters. When it is powered, it will be connected to three-phase power. Three-phase electricity is commonly used in industry, but not in daily life.
Finally, synchronous motors of AC motors are introduced. The subdivided types of this type of motor will have some shadow in daily life.
Synchronous motors are mainly divided into four categories, brushless DC, permanent magnet synchronous, stepper motor, hysteresis motor,
and reluctance motor. When it comes to brushless DC motors, everyone has seen them; the rear wheels of electric bicycles and electric motorcycles
used daily are a brushless DC synchronous motor. This kind of motor is also called a hub motor, which refers to a motor that is long on the hub of the
wheel. Stepper motors are widely used, mainly because of the step
accuracy of their control, which allows them to be used in high-precision situations. Laser cutting and 3D printing are widely used.
There is also a branched motor type, the permanent magnet synchronous motor. This kind of motor currently has a very popular
application. The expensive hair dryer is a permanent magnet synchronous motor. The permanent magnet synchronous motor combined with excellent
control methods can make the motor”s speed accurately controllable, the noise is very low, and it feels quiet and efficient.
Most synchronous motors are permanent magnet. There are other excitation types, but they are less common.
2. Operating principle of brushless DC/permanent magnet synchronous motor
The reason why the principles of brushless DC and permanent magnet synchronous operation are explained here is
because the difference between the two types is really not big. The similarities and differences will be compared in detail later.
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369-HI-R-0-0-0 GE relay
369-HI-R-0-0-0-0 GE Relay
369-HI-B-M-0-0 GE relay
369-H1-0-M-F-E-0 GE relay
369-H1-0-M-0-0-E GE relay
369-HI-0-B-F-D-0-E GE relay
369-HI-R-M-0-0-0-E GE relay
369-HI-R-M-0-0-0-0 GE relay
369-HI-R-0-0-0 GE relay
369-HI-0-M-F-E-0 GE relay
369-HI-0-M-0-0-0-E GE relay
369-HI-0-M-0-0-0 GE Motor management relay
369-HI-0-M-0-0 GE Motor protective relay
369-HI-0-0-0-0 GE Motor management
DS6800CCIE1F1D GE Power adapter
DS3800HPIB GE Circuit board
DS3800DFXA1B1C GE I/O module
DS215TCQAG1BZZ01A GE Circuit boards
DS215KLDCG1AZZ03A GE Turbine control system
DS215DMCBG1AZZ03A GE High speed electronic drive board
DS200UDSAG1ADE GE Gas turbine control
DS200TCTGG1AFF GE Simplex trip plate
DS200TCRAG1ACC GE Relay output board
DS200TCQCG1BKG GE Overflow plate
DS200TCQAG1BHF GE Analog I/O board
DS200TCPDG2BEC GE switchboard
DS200TCPDG1BEC GE switchboard
DS200TCEBG1ACE GE Emergency overdrive plate
DS200TCEAG1BNE GE Emergency overspeed plate
DS200TCCAG1BAA GE Simulate I/O modules
DS200TBQDG1AFF GE Extension termina
DS200TBQCG1AAA GE Analog terminal board
DS200SLCCG1AFG GE Control system
DS200SLCCG1AEE GE Local area Network (LAN) communication card
DS200SLCCG1ACC GE LAN communication card
DS200SIOBH1ACA GE Output terminal board
DS200SIOBH1ABA GE VME Stand I/O Card
DS200SIOBH1AAA GE I/O card
DS200SDCIG2AHB GE Dc power supply
DS200SDCIG2AEB GE Electrostatic sensitive device
DS200SDCIG1ABA GE Instrument board
DS200SDCCG5AHD GE Drive control card
DS200SDCCG1AGD GE Drive control panel
DS200SDCCG1AFD GE controller
DS200SDCCG1AEC GE Master controller
DS200RTBAG2AFB GE Trunk terminal board
DS200PCCAG1ABB GE Power card
DS200LPPAG1AAA GE Line protection panel
DS200LDCCH1ANA GE microprocessor
DS200L DCCH1AGA GE Drive control
DS200KLDBG1ABC GE Display Board
DS200IQXSG1AAA GE Line protection card
DS200IIBDG1A GE Insulated gate bipolar transistor
DS200FSAAG2ABA GE Power amplifier board
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