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 DYNACO PAT-5 PC-32 POWER SUPPLY CAPACITOR KIT NEW!! US $22.95 
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 Power Supply Capacitor Refurb Kit for McIntosh MC240 US $236.50
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 Power Supply Capacitor Refurbish Kit McIntosh MC60 US $151.00
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 Marantz 2270 am/fm stereo receiver POWER SUPPLY FILTER CAPACITOR PAIR US $25.00
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 1000 uF 16 VOLT TUBE 105C AMP POWER SUPPLY FILTER CAPACITOR CAPS 105C DEGREE US $27.99
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 Power Supply Capacitor Refurbish Kit McIntosh MC240 US $236.50
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 Power Supply Capacitor Rebuild Kit McIntosh for MC40 US $171.00
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 Western Electric 5 MFD Tube Power Supply Capacitor US $317.95
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 Power Supply Capacitor Refurbish Kit McIntosh MC-275 US $310.00
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 Power Supply Capacitor Refurb Kit McIntosh for MC75 US $236.50
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 Power Supply Capacitor Restoration Kit McIntosh C20 US $169.00
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 Universal all Film Capacitor Power Supply US $200.00
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 Power Supply Capacitor Refurbish Kit McIntosh MC-30 US $86.00
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 4.7 uF 63 VOLT GUITAR TUBE AMP PREAMP MIXER RECEIVER CAPACITOR CAPS POWER SUPPLY US $13.99
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 3300 uF 25 VOLT TUBE AMP RECEIVER POWER SUPPLY FILTER CAPACITOR CAPS 85 C DEGREE US $17.99
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 1200 uF 35 V TUBE AMP RECEIVER POWER SUPPLY FILTER CAPACITOR CAPS 105 C DEGREE US $19.99
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 470 uF 200 VOLT TUBE AMP RECEIVER POWER SUPPLY FILTER CAPACITOR CAPS 85 C DEGREE US $22.99
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 2200 uF 80 VOLT TUBE AMP RECEIVER POWER SUPPLY FILTER CAPACITOR CAPS 85 C DEGREE US $22.99
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 8200 uF 63 VOLT TUBE AMP RECEIVER POWER SUPPLY FILTER CAPACITOR CAPS 85 C DEGREE US $24.99
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 100 uF 25 VOLT TUBE AMP RECEIVER POWER SUPPLY FILTER CAPACITOR CAPS 105 C DEGREE US $19.99
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 Power Supply Capacitor Refurb Kit Harmon Kardon Citation II US $299.00
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 Pair Sprague 260 uF 300 V DC Extralytic Capacitor Radio Amp Tube Power Supply US $3.95
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 Power Supply Capacitor Rebuild Kit McIntosh MC40 US $171.00
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 Power Supply Capacitor Rebuild Kit McIntosh MC-40 US $171.00
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 Power Supply Capacitor Refurbish Kit McIntosh C22 US $203.00
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 Power Supply Capacitor Refurbish Kit McIntosh C11 C-11 US $203.00
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 Power Supply Capacitor Refurbish Kit McIntosh MC275 US $310.00
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 Marantz 2226 power supply capacitors US $28.50
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 Power Supply Capacitor 40/20/20 @525 1000 @40V C22 US $69.50
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 Power Supply Capacitor Refurbish Kit McIntosh MC225 US $166.95
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 Power Supply Capacitor Rebuild Kit McIntosh MC-225 US $166.95
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 Power Supply Capacitor 40/20/20 @525 1000 @40V C22 C11 US $69.50
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 Power Supply Capacitor Refurbish Kit McIntosh C-20 US $169.00
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 10000 uF 25 VOLT TUBE AMP RECEIVER POWER SUPPLY FILTER CAPACITOR CAPS 85C DEGREE US $21.99
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 560 uF 200 VOLT TUBE AMPLIFIER PREAMP POWER SUPPLY FILTER CAPACITOR CAPS US $22.99
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 470 uF 35 VOLT TUBE AMPLIFIER PREAMP POWER SUPPLY FILTER CAPACITOR CAPS US $19.99
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 Power Supply Capacitor Refurb Kit McIntosh MC-60 US $151.00
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Supply Capacitor
Why AC Capacitor use for a single phase motor but not in a three phase ?
Some types of single-phase motor do not have a rotating magnetic field, so the rotor does not start rotating automatically. A "motor start and run" circuit is needed, which includes a capacitor toproduce a rotating magnetic field. That rotating field pulls the rotor and it starts to turn. Once the motor has been started, it will continue to spin as long as enough power is supplied to it to overcome the force of the load it is driving. In homes such motors are commonly used in lawn-mowers, for example.
However not all designs of single-phase motor require a "motor start and run" circuit: a "commutator and brushes" motor, which has its field winding in series with its rotor windings, will start turning on its own without needing a capacitor-start circuit. Such motors are commonly used in small domestic hair-dryers, power drills and vacuum cleaners, for example.
However a different kind of capacitor-based circuit is usually fitted to such motors: a "spark-suppression circuit". This is fitted to help suppress the production of high levels of interference at radio frequencies that is sent out from the sparks produced when a "commutator and brushes" motor system is running.
A three-phase motor has a rotating magnetic field so that the motor's rotor is pulled and starts rotating automatically. Hence no "motor start and run" capacitor is needed to start the rotor turning.
However, depending on the type of three-phase motor, to limit the amount of current drawn at motor startup, a different type of starter circuit may be needed, such as a "star-delta starter". Once the motor has been started, it will continue to spin as long as enough power is supplied to it to overcome the force of the load it is driving.
Three-phase motors are not typically used in household appliances but are very common in factories, workshops and other industrial sites because of their higher power-to-weight ratio and better electrical efficiency compared to single-phase motors.
Source(s):
http://www.capacitors-china.com/why-ac-capacitor-use-for-a-single-phase-motor-but-not-in-a-three-phase.html
About the Author
Manufacturer of Motor Capacitor in China
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