OPX300K2 05/12
3
O
PERATOR’S &
P
ARTS
M
ANUAL
PX-300K2 SERIES A.C. GENERATORS
For Generator Models:
PX-308K2, PX-309K2, PX-310K2, PX-312K2, PX-316K2,
PX-320K2, PX-320C2, PX-325K2, PX-332K2, and PX-332C2
Read this manual thoroughly before starting your equipment.
This manual contains information needed to operate your set correctly and safely.
Introduction. .....................................................................
4
Safety Rules .....................................................................
4
Models and Serial Numbers ...........................................
5
Mechanical Construction .................................................
6
INITIAL INSPECTION AND COUPLING
Initial Inspection..........................................................
6
Coupling with Prime Mover........................................
6
Grounding ...................................................................
6
PERFORMANCE AND FUNCTION
Excitation System........................................................
7
Automatic Voltage Regulator (AVR) ..........................
7
Under Speed Protection...............................................
7
Rotary Rectifi er and Surge Suppressor .......................
7
CHARACTERISTICS
Voltage Regulation ......................................................
8
Response .....................................................................
8
Voltage Stability ..........................................................
8
Motor Starting .............................................................
8
Short Circuit ................................................................
8
Phase Rotation .............................................................
8
STANDARD VOLTAGE SELECTION TABLE
.........
8
OPERATION - GENERATOR SET
Starting ........................................................................
9
Voltage Adjustment .....................................................
9
Running .......................................................................
9
Stopping ......................................................................
9
OPERATION - VOLTAGE REGULATOR
Safety Rules .............................................................
10
Operation .................................................................
10
Adjustment ...............................................................
10
MAINTENANCE
Bearing Inspection ....................................................
11
Insulation Resistance Measurement Method ............
11
Rotating Rectifi er Assembly ....................................
11
Parts Replacement Method ...............................
11 - 12
Automatic Voltage Regulator Maintenance .............
13
SPECIFICATIONS
Generator Specifi cations..................................
14 - 15
Voltage Regulator Specifi cations .............................
16
TROUBLESHOOTING
...........................................
17
PARTS LIST
.......................................................
18 - 26
WIRING DIAGRAM
AVR DST-100-2FAK .............................................
27
Table of Contents
Proprietary Information
This publication is the property of Northern Lights, Inc.
It may not be reproduced in whole or in part without the written permission of Northern Lights, Inc.
© Northern Lights, Inc. 2010. All rights reserved. Litho U.S.A. Publication number OPX-300K2 09/10
