PJ&PJ Taylor Pty Ltd have
been manufacturing the Award Winning POLYPHAZ
converter in Australia for in excess of ten years , during
this time we have seen some major improvements in machine tool design &
control systems placing greater demands on the quality of power to operate
these types of machine tools & control systems at their specified
performance level.
VolTrak field trials R/37/480 02/10/1998
VoltTrak voltage monitoring
The term "Second generation" represents a total re-think of design , with the advent of lower cost microprocessors & ancillary equipment that was out of reach some years ago the time has now come for a redesigned rotary converter that meets the demands of modern equipment.
Basically it works like this,
the microprocessor monitors the voltage & phase angle and a binary
coded output switches capacitors via contactors either 4 stage (16
voltage levels) on models R/15/ > 6 stage ( 36 voltage levels)
on models R/75/ . Similar to the tried & tested auto power factor correction
units that have been in use for many years.
The VoltTrak system is really an intelligent rotary converter that compensates the output voltage to match the load , i.e. when the converter is operating at no or low load the output voltage is trimmed to supply a balanced three phase supply thereby offering a saving of up to 30% in power costs when lightly loaded , when load is introduced so to is the output voltage compensated .
Capacitor Switching
We have field tested some variations
of this method, i.e. electronic switching of capacitors and have stuck with
the traditional method of contactors and limiting the current at switch-on
for the following reasons: