AMX Distributed Audio Controllers Delta Series Specifikace stáhnout pdf (Strana 238)

Appendix C How to Select the Right AC Motor Drive|VFD-B Series

Revision July 2008, BE16, SW V4.08 & V5.00 C-7

5. Synchronous motor:

The rated current and starting current are higher than for standard motors. Please check

before operation and choose the capacity of the AC motor drive carefully. When the AC

motor drive operates more than one motor, please pay attention to starting and changing

the motor.

Power Transmission Mechanism

Pay attention to reduced lubrication when operating gear reduction motors, gearboxes, belts

and chains, etc. over longer periods at low speeds. At high speeds of 50/60Hz and above,

lifetime reducing noises and vibrations may occur.

Motor torque

The torque characteristics of a motor operated by an AC motor drive and commercial mains

power are different.

Below you’ll find the torque-speed characteristics of a standard motor (4-pole, 15kW):

1 2 ... 233 234 235 236 237 238 239

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AMX Distributed Audio Controllers Delta Series Specifikace Strana 238