Operation Manual – AXA 2400 Compact Power– 30 - 90 kVA
General Description
Document no. 578.650BB
Page 8 of 91
3.0 General Description
The figure below shows the basic principle of the Hobart
PoWerMaster
® 2400 unit. The 50/60 Hz
mains voltage is converted into a galvanic isolated 3-phase, 400 Hz output voltage. A functional
description of each part is given in the following sections.
3.1 Basic Principle
Input Disconnector (Q1):
The Input Disconnect/circuit breaker disconnects all power to the ground power unit. Upon closing
the switch disconnect/circuit breaker, the ground power unit passes through an initialization test and
then into standby mode.