Reliable Automatic Voltage Regulator avr R220 for 2014 Leroy Somer Series

Common Brushless AVR R220 revC only for LSA423

The R220 is analog Automatic Voltage Regulator with transistors.

standard : for LSA 40 alternators.
-Adapted to the SHUNT and AREP excitation system

-Main characteristics
-Voltage regulation +/- 0.5% at steady state and constant speed.
-Response time 500 ms
-Nominal excitation current : 3A
-Maximum excitation current 7A for 10 sec.
-Alimentation and detection 85 to 139 V (50/60Hz)
-Protection : Fuses embeded in resin

Features:

- Storage : -55°C ; +85°C
- Operation : -40°C ; +65°C
- Voltage regulation: ± 0.5%.
- Voltage supply/sensing range 85 to 139 V (50/60 Hz)
- Rapid response time (500 ms) for a transient voltage variation amplitude of ± 20%
- Voltage setting P1
- Stability setting P2.
- Power supply protected by 8 A fuse, slowblow action (tolerates 10 A for 10 s)
The fuse is impregnated in the resin, therefore it can not be replaced.
- Frequency: 50 Hz with ST3 jumper - 60 Hz without ST3 jumper.
- The size of the screwdriver tip used to adjust the potentiometer is 2.5 mm

Description:

1.R 220 is an analog A.V.R. with numerical regulation function.
2.It is designed for small alternators with a SHUNT excitation.

3.It controls the excitation current in order to maintain the output voltage of the alternator.
4.It is performant in terms of voltage regulation,simple to set , to use and is reliable.
5.It is in compliance with I.E.C. 60034-1 standard and U.L. 508 / C.S.A. approved.

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