R450 Alternator Avr R450 AVR For Leroy Somer Alternator Genset Generator

  R450 Alternator Avr R450 AVR For Leroy Somer Alternator Genset Generator

R450 Alternator Avr R450 AVR For Leroy Somer Alternator Genset Generator Specifications:

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

R450 AVR for Genset controls the excitation current in order to maintain the output voltage of the alternator. 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

Leroy Somer Generator Spare Parts AVR Voltage Regulator R450

AVR R450

Sensing voltage terminal 0-110V=95- 140V terminal 0-220V =170-260V terminal 0-380V=340-520V
Frequency 50-60Hz
Voltage input 40-50VAC, 3 phase
Harmpnic auxiliary winding 6-150VAC (no-load rms)
Output Voltage max 160VDC at 120VAC input
Current max 10A
Resistance 15 Ω minimum
Regulation +/-5% RMS with 4% engine governing
Voltage build-up Residual voltage at avr terminal≥5VAC
External Voltage Adjustment +/-10% with 1k ohm 1 watt trimmer

AVR R450 Replacement for Alternator Genset Parts

We have AVR R450 Replace for Leroy Somer Alternator in our regulator stock with Reasonable Price!

R450 AVR FOR SHUNT, AREP or PMG ALTERNATORS

We have Replacement Models for Generator: R220, R230, R250, R438, R448, R449, R450, R450M, R450T

R450 Alternator Avr R450 AVR For Leroy Somer Alternator Genset Generator Features:

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  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.

R450 Alternator Avr R450 AVR For Leroy Somer Alternator Genset Generator Pictures:

More Genset Parts: 

Product Test:

Advanced equipment

Factory used the advanced equipment to produce, assembly and inspect the AVR. To ensure the high accuracy

AOI automatic optical detection equipment

Detection of automatic plug and patch of the wrong parts, leakage parts, less welding, virtual welding, component skew and other welding problems, greatly reduce defective products, improve the reliability of products.

High and low temperature testing equipment

Military industry standard
Each product will be after four hours of 85 ℃, low temperature minus 45 degrees after the simulation testing factory.  Ensure that each product is used by customers assured.

Our Packing:

Payment and Shipping:

We supply various shipping and payment methods for our customers.

1. For the sampling order, we can accept PayPal, West Union, MoneyGram as the payment, and will ship the samples by air express including DHL, UPS, TNT, Fedex, ARAMEX.

2. For the bulk order, we can accept the T/T bank transfer, L/C as the payment method with the 30% deposit, we will ship out the goods according to the choice from the customers for shipping.

3. We can ensure the shipping of us are fast and efficient, and the payment is safe.

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