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Name:

SX440

Features

Product description:
SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.

Technical parameters

INPUT
    Voltage        190-264Vac
    Frequency     50-60Hznominal
    Phase           1
    Wire             2
OUTPUT
    Voltage         max 90Vdc at 207Vac input
    Current         continuous 4Adc Intermittent 6A for 10secs
    Resistance    15ohmsminimum
REGULATION
    +/-1%(seenote1)
THERMALDRIFT
    0.04%perdeg.CchangeinAVRambient(note2)
TYPICAL SYSTEM RESPONSE
    AVR response              20ms
    Filed current to 90%     80ms
    Machine Volts to 97%   300ms
EXTERNALVOLTAGEADJUSTMENT
    +/-10% with 1 kohm 1 watt trimmer(seenote3)
UNDER FREQUENCY PROTECTION
    Set point 95%Hz(seenote4)
    Slope 170% down to 30Hz
UNIT POWER DISSIPATION
    12 watts maximum
BUILD UP VOLTAGE
    4Volts@AVR terminals
ANALOGUE INPUT
    Maximum input     +/-5Vdc(seenote5)
    Sensitivity          1v for 5% Generator Volts(adjustable)
    Input resistance  1kohm
QUADRATURE DROOP INPUT
    10ohms burden
    Max.sensitivity:   0.07Afor5%droop0PF
    Max.input:          0.33A
ENVIRONMENTAL
    Vibration   20-100Hz       50mm/sec
                   100Hz 2kHz    3.3g
    Operating temperature     -40to+70C
    Relative Humidity 0-70C   95%(seenote6)
    Storage temperature       -55 to +80C

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Address:No.C-13-1 Tiehu Mechanical & Electrical Industrial Zone, Chengyan Town, Fuan,Ningde, Fujian, China
Tel:86-593-6050668  Fax:86-593-6116388   E-mail: avr@permanent.cc; avr@fjzhdz.com