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SKU: R449AVR
Category: Automatic Voltage Regulators
Leroy Somer Automatic
Voltage Regulator – R449 AVR
The R449 automatic
voltage regulator (AVR) for the LSA series of industrial alternators provides
excitation current up to 7 A with excellent reliability for SHUNT, permanent
magnet (PMG) or AREP excitation types.
R449 is an analog AVR It
is designed for alternators with a AREP or PMG excitation. R449 controls the
excitation current in order to maintain the output voltage of the alternator.
R449 is performant in terms of voltage regulation, simple to set, to use and is
reliable.It can run without LAM (U/f), or with LAM, selection is done by strap
ST5.
The R 449 voltage
regulator is of a shunt type. It is designed to fit as standard on A50 to A 54
alternators. It can be supplied with power either by a power VT, or by the AREP
field excitation system, or by a single-phase or 3-phase PMG.
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