Automatic Voltage Regulator (AVR)- R449

Price 28000.0 INR/ Piece

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Automatic Voltage Regulator (AVR)- R449 Specification

Power Rating
7 A

Output Current
7 A DC Ampere (amp)

Input Voltage
150 V AC Volt (V)

Output Voltage
63 V DC Volt (V)

Efficiency
N/A

Frequency (MHz)
50/60 Hertz (HZ)

Warranty
12 MONTH

Current
7 Ampere (amp)

Usage & Applications
Usage: Automatic voltage regulation and excitation control for brushless synchronous alternators used in industrial generator sets and power-generation systems. China Rentai+1 Applications: - Diesel and gas generator sets. - Industrial power-generation plants. - Alternator excitation and output-voltage stabilization. - Generator operation under varying electrical loads. - Generator paralleling and synchronization when used with the appropriate external module. - Short-circuit current support through compatible AREP or PMG excitation systems.

Rated Voltage
150 V AC Volt (V)

Cable Type
Multicore insulated copper control cable.

Operating Temperature
30 C to +70 C. Celsius (oC)

Weight
0.5 kg Kilograms (kg)

Ambient Temperature
30 C to +70 C Celsius (oC)

Degree of Protection
N/A

Display Type
Analog

Phase
Single-phase

Control System
Analog electronic automatic voltage regulation system with closed-loop feedback control. It senses alternator output voltage and adjusts excitation current to maintain the required generator voltage

Features
Automatic generator output voltage regulation. High voltage regulation accuracy: 0.5%. Compatible with AREP or PMG excitation systems. Under-frequency protection (U/F). Load Acceptance Module (LAM) to help manage sudden load increases. Adjustable output voltage and stability. Adjustable excitation current limit. Adjustable quadrature droop for reactive load sharing. Selectable 50/60 Hz operation. Normal or fast response settings. Built-in overload and short-circuit protection. Voltage sensing range: 85 520 V AC, depending on configuration

Conductor
Copper

Rated Current
7 A Ampere (amp)

Material
Electronic components mounted on a printed circuit board (PCB), housed in an insulating protective casing.

Frequency
50/60 Hertz (HZ)

Usage
Other

Design
Analog electronic design with a printed circuit board (PCB), adjustable potentiometers, jumper settings, and electrical terminals for generator excitation and voltage sensing. Designed for compatible brushless alternators using SHUNT, AREP, or PMG excitation systems.

Insulation Resistance
10 M

Voltage Protection
Overvoltage protection: Electronic excitation control helps regulate generator voltage; a separate adjustable overvoltage trip is not specified in the cited datasheet. Undervoltage protection: Under-frequency (U/F) protection reduces excitation when generator frequency falls below the preset threshold. Overload protection: Built-in excitation overcurrent protection. Short-circuit protection: Supported through excitation-current limiting. Voltage sensing failure: Protection against loss of voltage sensing. Fuse protection: External 16 A, 500 V fuses.

Display
Analog

Dimension (L*W*H)
200 140 57 mm Millimeter (mm)

Rated Power
30 W

Current Type
DC

Waveform Distortion
Less than 5% THD

Product Type
Automatic Voltage Regulator (AVR)

Automatic Voltage Regulator (AVR)- R449 Trade Information

Minimum Order Quantity
1 Piece

Delivery Time
1 Days

About Automatic Voltage Regulator (AVR)- R449

The Leroy-Somer R449 is an automatic voltage regulator designed for compatible brushless synchronous alternators. It regulates generator terminal voltage by controlling the excitation current supplied to the alternator field winding. It supports stable voltage output under varying load conditions and provides voltage regulation functions with adjustable settings, including under-frequency protection and load acceptance management (LAM), depending on configuration.

Product details:

Make: Leroy-Somer
Model: R449
Product type: Automatic Voltage Regulator (AVR)
Application: Industrial generators and alternator excitation systems
Function: Automatic generator output voltage regulation
Excitation system: Compatible AREP or PMG systems, subject to alternator configuration
Features: Voltage sensing, excitation control, under-frequency protection and adjustable regulation
Installation: Generator control panel / alternator excitation circuit
Supply requirement: Must be verified against the existing alternator and AVR wiring diagram
Condition: Genuine new OEM preferred