CHAPTER 1
INTRODUCTION
Entire Contents Copyright 2004 by Adaptive Power Systems, Inc. (APSI) • All Rights Reserved • No reproduction without written authorization from APSI.
APS-3000P Series 1 - 2 OM-001-03000-00P-03.9
and data acquisition, each P-series unit includes a user-specified RS-232 external serial
interface or GPIB external parallel interface.
The APS-3000P Series of Power Converters have been designed to provide frequency
and voltage conversion in a controlled test environment. Both manually adjustable and
remotely programmable settings are provided. All APS-3000P Series Power
Converters provide 3-phase output power. Different models cover the power range
from 3 kVA to 180 kVA. All units provide user-controlled 3-phase output power
within the frequency range of 45 – 500 Hz.
All APS-3000P Series units operate as double-conversion power converters. The first
conversion is AC to DC. The second conversion is DC back to AC. All units (except
the 1-phase input APS-3003P and APS-3006P) operate with 3-phase input power.
After rectification, filtering removes high-frequency content. Low-ripple DC is
subsequently converted to 3-phase AC by a high-frequency pulse-width-modulated
(PWM) switcher. Precise control is maintained by using a highly stable digital
oscillator.
APS-3000P Series Power Converters are designed for long-term continuous operation
in sheltered (no rain) environments. Because there are no batteries, APS-3000P units
operate reliably over a wide ambient temperature range. Through the use of switching
technology the equipment is efficient (about 85%). Power Converter units are
relatively tolerant of high dust environments.
Safety Notices
APS-3000P Series Power Converters can transfer very large amounts of
electrical energy very quickly.
The rapid transfer of large amounts of electrical energy is fundamental to any
high-performance power source.
Only experienced operators who have both read and understood the
information in this manual should attempt to operate the unit.
The following warnings and cautions herein must be observed at all times.
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