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  2. Power Master ADVR-073 Digital Voltage Regulator

Power Master ADVR-073 Digital Voltage Regulator

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Hybrid Analog Digital Voltage Regulator

$ 178.69 178.69 USD $ 178.69

$ 178.69

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ADVR Mcpherson Controls ADVR-073

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SENSING INPUT

VOLTAGE

170 ~ 520 VAC, 1 phase 2 wire DIP switch selectable

OUTPUT

Max. 63 VDC @ 220 VAC input 

WEIGTH

0.9 POUNDS

SIZE

6 x 4 x 2 Inches

VOLTAGE REGULATION

< ± 0.5%

BUILD UP VOLTAGE

Residual voltage at AVR terminal > 5 VAC

THERMAL DRIFT

0.03% per °C change in AVR ambient

POWER DISSIPATION

Max. 8 watt  

  • Sensing input - ◖ Voltage : 170 ~ 520 VAC, 1 phase 2 wire DIP switch selectable ◖ Frequency : 50 / 60 Hz, DIP switch selectable  
  • Power Input  - ◖Voltage : 100 ~ 300 VAC, 1 phase 2 wire
  • Output - ◖ Voltage :   Max. 63 VDC @ 220 VAC input  ◖Current :  Continuous 7A Intermittent 15A for 10 sec ◖Resistance : 9 to 100 ohm
  • Voltage Regulation - ◖ < ± 0.5% ( with 4% engine governing ) 
  • Voltage Build-up - ◖Residual voltage at AVR terminal > 5 VAC 
  • Thermal Drift - ◖0.03% per °C change in AVR ambient  
  • External Volts Adjustment - ◖ 7% with 1K ohm 1 watt trimmer
  • EMI Suppression - ◖ Internal electromagnetic interference filtering
  • Unit Power Dissipation - ◖ Max. 8 watt 
  • Under Frequency Protection (Factory Setting) - ◖At 50 Hz - knee point set at 45 Hz At 60 Hz - knee point set at 55 Hz 
  • Over Excitation Protection - ◖ 78 ±5VDC @220VAC 5sec 
  • Soft Start Ramp - ◖Time  3 sec.

 


  • The ADVR-073 is an advance (Hybrid Analog/Digital Voltage Regulator) design for general-purpose isochronous applications. The ADVR-073 uses an reliable CPU (Central Processing Unit) in its design. This eliminates complex analogue components and circuits that are inherently over sensitive to temperature eliminating voltage instabilities and drift. In addition, we added over excitation and loss of sensing shutdown protections, with matching U/F, O/E LED indicator lights. Consequently, this AVR prevents the generator from excitation overload, preventing exciter and regulator damage. It is easy to install and flexible for use in both shunt type and generators with auxiliary  windings. 


Voltage Adjustment (VOLT) 

Set VOLT and STAB full CCW. Start generator and wait until it reaches rated frequency. Slowly adjust VOLT CW to its rated voltage. If you are using an external VR, set it first to its center position before setting volts



Stability Adjustment (STAB) 

If the generator voltage oscillates back and forth, adjust the STAB to steady the output voltage. Over adjustment, CW may give you large voltage swings when changing loads, Use an analog type voltmeter when setting STAB. Connect the voltmeter to terminals F+ and F− and slowly adjust STAB for minimum needle movement when varying load.



Under Frequency Adjustment (U/F)

To adjust the U/F setting, select working HZ using DIP SW 1, start the engine and adjust engine speed to either 55Hz or 45Hz slow adjust U/F until the red U/F LED turns ON. Returning the engine speed back to normal turns the LED light off.

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