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R250 AVR FOR SHUNT ALTERNATORS
Description
Generator AVR R250 is an analog AVR with numerical regulation function (micro-controler) and power controled by transistors.
It is designed for small alternators with a SHUNT excitation.
R250 AVR controls the excitation current in order to maintain the output voltage of the alternator.
R250 AVR is performant in terms of voltage regulation, simple to set , to use and is reliable.
It is in compliance with I.E.C. 60034-1 standard and U.L. 508 / C.S.A. approved.
Operation mode : Standalone
Main feature and characteristics of AVR R250 Voltage Regulator
- Voltage regulation : ± 0.5 %.
- U/F function.
- LAM function.
- Quick response : 500 ms.
- Nominal excitation current : 5A
- Maximum excitation current : 7A during 10 s.
- Provide range / voltage detection : 85 to 139 V (50/60Hz).
- Protection : fuse 8A.
Operation conditions of R250 Voltage Regulator
- Operating temperature range : - 40° C à + 65° C.
- Storage temperature range : - 55° C à + 85° C.
- Hygrometry : 98%.
- Maximum choc : 9 g on 3 axis.
- Vibrations : less than 10 Hz , 2 mm peak magnitude.
From 10 Hz to 100 Hz : 100 mm/s, below 100 Hz : 8g.
Part Numbers:
- AVR AEM110RE019 Voltage Regulator
- AVR 330410933 Voltage Regulator
- AVR R250 330410345 Voltage Regulator
- AVR 10000-12943 Voltage Regulator
Connexion and setting for R250 Generator AVR
Settings are done through the A.V.R.
- Potentiometer P1 : voltage setting.
- Potentiometer P2 : stability setting.
- Strap ST3 : frequency selection.
- Jumper : frequency, U/F function, LAM function
- Potentiometer ST4 : remote voltage setting.
Mark Klyne
Reviewed in Canada on September 30, 2022
Direct replacement unit is still working well.
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