R449GP Alternative Leroy-Somer Automatic Voltage Regulator

R2,075.75 Incl. Vat

The operating temperature ranges from – 30 degrees Celsius up to 65 degrees Celsius. The storage temperature has a far wide range of anywhere between -55 degrees Celsius up to 85 degrees Celsius. The hygrometry that it can tolerate is up to 98. It has a potentiometer for easy adjustment of droop settings as well as voltage settings and stability setting. The potentiometer also sets the excitation ceiling. The AVR controls current by using power electronic devices where a small part of the alternator or generators output is used to provide current. The unit can be mounted wherever it is convenient so long as it is out of the way of the general operation area. While connecting the unit remember to always treat it as live.

SKU: R449GP Category:
Description

Description

This unit is designed for alternators with an AREP (Auxiliary Winding regulation Excitation Principle) or PMG (Permanent Magnet Generator) excitation. The R449 AVR controls the excitation current in order to maintain the output voltage of the alternator. This is most important as a surge or dip in voltage can damage many machines. Having an AVR will ensure a constant and stable voltage supply and is simple to set to the particular needs of your machines. It is easy to use and has been proven to be very reliable. The modern solid state system AVR has many advantages over the old style electromechanical system. It is a feedback control system that measures the output voltage of a generator or alternator and compares it to a set point. If it detects a difference in voltage it adjusts the excitation of the power unit to correct the voltage. This happens in micro seconds and prevents any damage occurring.

Features and Characteristics of R449 Leroy-Somer Automatic Voltage Regulator

Some of the main features are:

  • Voltage regulation around 0.5
  • Response time : 500ms
  • Nominal excitation current : 7 amps
  • Maximum excitation current : 15 amps during 10 seconds
  • Supply Range and voltage detection 85 to 520 volts at 50 or 60 Hertz
  • Protection : 16 amp fuse mounted outside

Operating Conditions

The operating temperature ranges from – 30 degrees Celsius up to 65 degrees Celsius. The storage temperature has a far wide range of anywhere between -55 degrees Celsius up to 85 degrees Celsius. The hygrometry that it can tolerate is up to 98. It has a potentiometer for easy adjustment of droop settings as well as voltage settings and stability setting. The potentiometer also sets the excitation ceiling. The AVR controls current by using power electronic devices where a small part of the alternator or generators output is used to provide current. The unit can be mounted wherever it is convenient so long as it is out of the way of the general operation area. While connecting the unit remember to always treat it as live.

Additional information

Additional information

brand

Alternative Leroy-Somer

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Shipping & Delivery
Generator Parts Online Shop provides delivery anywhere in South Africa. We are based in 79 De Beer Street, Alrode South, Johannesburg. Pricing is based on your area, and the weight of the product, our standard pricing in Gauteng is R99 and R199 for other regions. Please note that heavier products like the Alternators and G-Drive Engines, Start from R3500+. Self Collection or Own Courier Services are also available at checkout.