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Description: Most industrial motors require AC (alternating current) voltage whose polarity oscillates 60 times a second (for a frequency of 60 Hertz) between positive and negative. Single phase AC motors have brushes just like DC motors. Most of them have capacitors to assist starting and to establish the direction of rotation. Changing direction implies changes in the capacitors’ connection. Speed is directly proportional to the applied voltage (just like DC motors). Usage is restricted to low-power uses (home appliances like vacuum cleaners, washing machines, coffee grinders, or power tools like rotary hammers etc.). For higher power requirements, three-phase AC motors are used. These do not have carbon brushes to wear out, their rotors (called squirrel cages) have no electrical connections, thus making them extremely robust and long-lived. Only the stator windings are connected to the power line. They just keep turning as long as their ball bearings are OK. Changing direction requires swapping any two of the three phase lines. Speed control is done by modifying the frequency of the AC delivered to the motor; this can be done using complex devices called AC drives.
Item ID
Item
Price
Quantity
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$73.80 Each
Free Shipping
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#2524204
$40.31 Each
Free Shipping
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#1847416
WWE PEWWE150-36-445TS 150HP 3600RPM 445TS FR 208-230/460
Brand WorldWide Electric
Model PE150-36-445TS
Obsolete
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#1847495
WWE PEWWE200-18-445/7T-F2 200HP 1800RPM 445/7T FR 208-230/460
Brand WorldWide Electric
Model PE200-18-445/7T-F2
Obsolete
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#1847612
WWE PEWWE25-12-324TC 25HP 1200RPM 324TC FR 208-230/460
Brand WorldWide Electric
Model PE25-12-324TC
Obsolete
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#1847382
WWE PEWWE30-36-286TS 30HP 3600RPM 286TS FR 208-230/460
Brand WorldWide Electric
Model PE30-36-286TS
Obsolete
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#1847481
WWE WWE300-12-449TSBB 300HP 1200RPM 449TS FR 460
Brand WorldWide Electric
Model 300-12-449TSBB
Obsolete
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#1847437
WWE WWE300-18-449TBB 300HP 1800RPM 449T FR 460
Brand WorldWide Electric
Model 300-18-449TBB
Obsolete
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#5058488
AURORA 46WP1HS1000PEE 1000HP 1800RPM 460 5810L
Brand Aurora Motors
Model 46WP1HS1000PEE
$49,477.29 Each
Free Shipping
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Obsolete
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Obsolete