斯坦福SX460 STAMFORD GENERATOR AVR SX460 VOLTAGE REGULATOR

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Generator Type: Diesel or Gasoline

Part No. : SX460

Replaced Brand: Stamford

Function: Stamford AVR SX460

Usage: SX460 Stamford AVR

Compatible with: Stamford SX460 AVR

Product Name: Stamford Generator AVR

Compatible Gensets: Cummins,Perkins,Deutz,Caterpillar, Aksa, Volve, Marelli,

Mecc Alte, Marathon, WeiChai, ShangChai, YaNan and many more Brands

Generator brand: Leroy somer, kato engineering, Stamford.

Stamford Generator AVR SX460 Voltage Regulator

SX460 Product Specification Download.pdf

We have Stamford AVR SX460 in regular stock.

Replacement Models:AS440, AS480, SX440, SX460, MX341, MX321, MX450

Original Modules: AS440, AS480, SX460, MX341, MX321, MX450, MX342, MX330, EBC-1, RSK1001, RSK2001, RSK5001, RSK6001 

The Brands mentioned here are for reference purpose only, our parts can exactly replace the original ones.

SAME AVR AS:

Stamford AVR E000-24602 VOLTAGE REGULATOR

Stamford AVR E000-26000 VOLTAGE REGULATOR

Newage AVR 450-13900 VOLTAGE REGULATOR

Newage AVR E000-24600 VOLTAGE REGULATOR

Cummins Onan AVR 305-0982 VOLTAGE REGULATOR

Cummins Onan AVR 305-0949 VOLTAGE REGULATOR

FG Wilson AVR 594-011 VOLTAGE REGULATOR

Olympian AVR 594-011 VOLTAGE REGULATOR

General description

Stamford SX460 VOLTAGE REGULATOR is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (VOLTAGE REGULATOR) and forms part of the excitation system for a brush-less generator.

In addition to regulating the generator voltage, the VOLTAGE REGULATOR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals.

Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the VOLTAGE REGULATOR.

The Stamford Generator VOLTAGE REGULATOR SX460 is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.0%.

In addition to being powered from the main stator, the VOLTAGE REGULATOR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the VOLTAGE REGULATOR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the generator.

A frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO). This can easily be changed to 50 or 60 Hz in the field by pushon link selection.

Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output. 

Technical specification of Stamford SX460 Voltage Regulator

INPUT

Voltage Jumper selectable

95-132V ac or 190-264V ac

Frequency 50-60 Hz nominal Phase 1

OUTPUT

Voltage max 90V dc at 207V ac input

Current continuous 4 A dc

Intermittent 6 A for 10 secs

Resistance 15 ohms minimum

REGULATION of Stamford SX460 Generator VOLTAGE REGULATOR

+/- 1.0% (see note 1)

THERMAL DRIFT

0.05% per deg. C change in VOLTAGE REGULATOR ambient (note 2)

TYPICAL SYSTEM RESPONSE

VOLTAGE REGULATOR response 20 ms

Filed current to 90% 80 ms

Machine Volts to 97% 300 ms

EXTERNAL VOLTAGE ADJUSTMENT

+/-10% with 1 k ohm 1 watt trimmer (see note 3)

UNDER FREQUENCY PROTECTION

Set point 95% Hz (see note 4)

Slope 170% down to 30 Hz

UNIT POWER DISSIPATION

10 watts maximum

BUILD UP VOLTAGE

4 Volts @ VOLTAGE REGULATOR terminals

ENVIRONMENTAL of Stamford SX460 Generator Voltage Regulator

Vibration 20-100 Hz 50mm/sec

100Hz – 2kHz 3.3g

Operating temperature -40 to +70°C

Relative Humidity 0-70°C 95% (see note 5)

Storage temperature -55 to +80°C

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