SECTION 1
PRODUCT DESCRIPTION
PV-225208 Photovoltaic Inverter
Operation and Maintenance Manual
Copyright 2003, Xantrex Technology Inc.
DOCUMENT: 151811 1-2
CAUTION
The fuses within the PV-225208 are intended for protecting the PV-225208 control circuitry
only. They are not intended to provide protection for the PV array or external cabling.
AC Interface Enclosure
This enclosure is NEMA-3R rated. The AC Interface serves as the connection between the isolation
transformer/utility and the PV-225208. This enclosure is where the AC line fuses and AC disconnect switch
reside. For specific control components see Drawing No. 151809 in Section 7 (Appendix).
DC Interface Enclosure
This enclosure is NEMA-3R rated. The DC Interface serves as the connection interface between the PV
array and the PV-225208. This enclosure is where the DC disconnect switch and DC contactor reside. For
specific control components see Drawing No. 151810 in Section 7 (Appendix).
Power Electronics Matrix
The power electronics converters are located at the top of the PV-225208 Main Enclosure. Each matrix is
comprised of switching transistors (IGBTs), transistor gate drive electronics, a laminated power bus, DC
capacitor bank, and an aluminum extrusion heat sink with a cooling fan. A fan is located above each matrix
heatsink.
The PV array is tied logically to the matrix DC bus via the DC interface enclosure. The embedded
control unit manages the transfer of power between the DC bus and the utility grid.
Operator Interface
The operator interface is located on the front door of the PV-225208 main enclosure. It consists of an On/Off
switch and a keypad with liquid crystal display for control and monitoring purposes. All interface components
are NEMA-3R rated. Refer to Section 4 for detailed operation instructions.
Inductor Enclosure
This enclosure is NEMA-3R rated. It contains the necessary filter components to insure the PV-225208 line
currents and voltages meet IEEE-519 and UL1741 harmonic distortion requirements. Mounted on the right
and left side of the lower enclosure are inductor fans to allow cooling of the line filter components within. This
enclosure also serves as the mounting base for the PV-225208 main enclosure.
CONTROL COMPONENTS
The following assemblies are contained within the PV-225208 main enclosure as shown in Figure 1-2. For
specific control components see Drawing No. 151808 in Section 7 ( Appendix).
Power Distribution Panel
This panel contains many of the Electro-mechanical, protective, and control power components neces-
sary to support the operation of the PV-225208.