VVVF (VARIABLE VOLTAGE VARIABLE FREQUENCY) TRACTION ...
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VVVF (VARIABLE VOLTAGE VARIABLE FREQUENCY) TRACTION ...
VVVF (VARIABLE VOLTAGE VARIABLE FREQUENCY). TRACTION ELEVATOR
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V V V F ( VA R I A B L E V O LT A G E VA R I A B L E F R E Q U E N C Y ) T R A C T I O N E L E VAT O R H O I S T M O T O R S 3-PHASE • OPEN DRIP-PROOF CONSTRUCTION • FOOT MOUNTED • 7.5 TO 75 HP 1200 RPM & 900 RPM • HIGH ACCELERATION • 60 HZ, 40HZ & 30HZ DESIGNS Features: • Dynamic balanced for low vibration operation • Normally closed thermostats, one per phase • Low noise design • Steel frame construction with cast iron endbells • Class F Insulated, 40° C ambient • Epact efficiency or better • 1.0 Service Factor • 1024 PPR encoder, with 1-inch shaft bore standard • F-1 Mounting • 1000:1 Inverter Duty capability • Made in USA Applications: Designed for Geared and Gearless Traction Elevators, 100 fpm to 500 fpm operation and up to 12 or 15 floors.
