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Power Master SR7-2G Automatic Voltage Regulator

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SR7-2G Automatic Voltage Regulator. Terminal 1,2 3,4 5,6 Can be connected to Y or 220~480VAC. Single Phase 50/60HZ.

$ 69.49 69.49 USD $ 69.49

$ 69.49

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DETECTION AND POWER INPUT

80-35V AC single phase two lines

OUTPUT
Voltage 220V AC input maximum 63V DC
WEIGHT

0.7 POUNDS

SIZE

6 x 4 x 3 Inches

VOLTAGE SUPPLY

40V ac - 270V ac


SR7-2G AVR a negative feedback system, in which the constantly maintained variable is the alternator voltage output. This voltage, after adequate conditioning, is compared with a signal that is stabilised in voltage, temperature and age. 

FRECUENCY RANGE 

12Hz - 72Hz

ENVIRONMENTAL TEMPERATURE

-25°C - +70°C

VOLTAGE RECOVERY TIME 

within ± 3% of the value set, in less than 300m sec.

  • Detection and power input - ◖80-35V AC single phase two lines
  • Power input - ◖ Voltage 50-270V AC ◖Frequency: 50/60HZ
  • Output - ◖Voltage 220V AC input maximum 63V DC
  • Current  - ◖6A continuous / 10A in 10 seconds without discontinuity
  • Pressure regulation accuracy  - ◖±1%
  • Voltage supply  - ◖40V ac - 270V ac (from auxiliary winding, output voltage or PMG)
  • Frequency range - ◖12Hz - 72Hz
  • Maximum continuous output current  - ◖4Adc
  • Excitation overcurrent protection with delayed intervention



  • Precision of voltage regulation  - ◖± 1% from no-load to nominal load in static condition, with any power factor and for frequency variations ranging from -5% to +20% of the nominal value
  • Transient power drops and overvoltage within  - ◖± 15%
  • Voltage recovery time - ◖within ± 3% of the value set, in less than 300m sec.
  • Transient overvoltage during start up - ◖less than 5% of nominal voltage.
  • Environmental temperature - ◖-25°C - +70°C





SR7-2G AVR a negative feedback system, in which the constantly maintained variable is the alternator voltage output. This voltage, after adequate conditioning, is compared with a signal that is stabilised in voltage, temperature and age. 



The SR7 regulator is suitable for all M.A alternators and is a standard power supply for three-phase and single-phase power outputs up to 85 kVA.