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1 INTRODUCTION
This manual is intended to provide the necessary information on synchronous alternators GPW, GPA, GPF, GSW, GSA, GSF
models. Alternators with special features can be supplied with specific documents (drawings, wiring diagrams, characteristic
curves, etc.). These documents must be carefully studied together with this manual before installing, operating or servicing
the alternator.
Contact WEG if it is necessary further explanations. All procedures and standards contained in this manual must be
observed in order to ensure the correct operation of the alternator and the safety of the professionals involved in its
operation. Observing these procedures is also important to ensure the warranty of the alternator. Thus, we recommend
reading this manual thoroughly before installing and operating the alternator. If applicable further information if necessary,
contact WEG.
ATTENTION
In case of replacement of the components mentioned in this manual, the manufacturing date must be
checked against the manual review date.
1.1 SAFETY WARNINGS IN THE MANUAL
In this manual are used the following safety warnings:
DANGER
Failure to observe the procedures recommended in this warning may result in substantial property
damage, serious injury or death.
ATTENTION
Failure to observe the procedures recommended in this warning may result in property damage.
NOTE
The text with this warning is intended to provide important information for the correct understanding and
proper operation of the product.
1.2 TERMINOLOGY
ALTERNATOR SERIES
G - Synchronous Machines for generator groups
EXCITATION CHARACTERISTICS
P - Brushless alternator with auxiliary exciter (PMG)
S - Brushless alternator without auxiliary exciter
COOLING SYSTEM
A - Open self-ventilated
F - Closed with air-air heat exchanger
W - Closed with air-water heat exchanger
FRAME - IEC
450 to 630
G
P
W
450
Installation, operation and maintenance manual
www.weg.net
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