Parker Hannifin has launched a new
family of AC drives that allow energy
efficient permanent magnet motors
to be used in a wide range of pump,
fan and compressor
applications.

The AC650S
Series eliminates the
need to run
permanent
magnet motors
with closed
loop speed sensors, enabling them to
be used as replacements for
induction motors.

The company says that using the
AC650S drives to switch from
induction to permanent magnet
motors can cut energy consumption
by up to 12% while reducing the
combined drive and motor envelope
by up to 75%. The new drives
provide high start-up torque without
the need for additional tuning.