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AVR R450 for Leroy Somer Diesel Alternator Genset

AVR for Leroy Somer

AVR Leroy Somer

 

introduction

Warranty: 1 Year

Gross Weight: 1kg

Stock Status: In stock

Part No. : R450

Replaced Brand: Leroy Somer

Function: Leroy Somer AVR R450

Usage: Leroy Somer R450 AVR

Compatible with: AVR for Leroy Somer

Product Name: AVR for Leroy Somer Alternator

AVR R450 for Leroy Somer Alternator Genset

 

R450 Manual Download.pdf


We have Leroy Somer AVR R450 in our regulator stock!

Replacement Models: R220, R230, R250, R438, R448, R449, R450

Original Modules: D510C, R120, R129, R250, R438, R449, R450, R450M, R450T, R630, R726, R731 

The Brands / Part No. here are for reference purpose only, our parts can exactly replace the original ones.

 

R450 AVR FOR SHUNT, AREP or PMG AlterNATORS 

Description:

Leroy Somer R450 AVR is an analog A.V.R.. It is designed for alternators with a SHUNT, AREP or PMG excitation .

R450 AVR for Leroy Somer Genset controls the excitation current in order to maintain the output voltage of the alternator. Leroy Somer R450 is performant in terms of voltage regulation, simple to set, to use and is reliable.

Rotating switch for U/f, LAM, excitation type and voltage sensing are available. 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 R450 AVR for diesel alternator:

- Voltage regulation : ± 0.5 %.

- Under-speed protection by function :

1 U/f (LAM : OFF).

2 U/f (LAM : MODE1).

Auto-adaptating LAM + 2 U/f (LAM : MODE 2).

- Nominal excitation current : 6A.

- Maximum excitation current : 10A during 10 s.

- Provide range 150V (50Hz/60Hz).

- Voltage détection : ≤ 530 V.

- Protection : fuse fast 10A.

- Protection on load, short-circuit and voltage reference loss.

 

Operation conditions R450 AVR for Leroy Somer Genset: 

- 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.

Optional modules compatible of R450 AVR for diesel genset

- R 731 : three phase voltage sensing.

- R 734 : 3-phase current and voltage sensing for parallel operation

- R 726 : regulation system changed to “4 - function”

 

Connexion and setting of R450 AVR for Leroy Somer Alternator:

Settings are done through the A.V.R.

- Potentiometer P1 : voltage setting.

- Potentiometer P2 : stability setting.

- Potentiometer P3 : excitation.

- Rotating switch selection 1 : frequency, U/F function, LAM function

- Rotating switch selection 2 : alternator type and voltage sensing (1 ph. ou 3 ph.).

- Rotating switch selection 3 : excitation type (AREP or PMG) and time response.

- Potentiometer P4 : quadrature droop.

HT Industrial Automation Limited
(Chongqing HT Electronic Tech. Limited)
Tel: 0086-023-85551980
Fax: 0086-023-85551980
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Address: No.18,BinJiang Road,
JiangJin District,Chongqing,China

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