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2
ADVR-073
SECTION 1 : SUMMARY
The ADVR-073 is an advance (Hybrid Analog/Digital
Voltage
Regulator)
design
for
general-purpose
isochronous stand alone applications. The ADVR-073
uses an extremely reliable CPU (Central Processing
Unit) in its design. This eliminates complex analogue
components and circuits that are inherently over
sensitive to temperature anomalies, as a result
eliminating voltage instability 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, with its
resulting exciter and regulator damage. It is easy to
install and flexible for use in both shunt type and
generators with auxiliary windings.
SECTION 2 : SPECIFICATION
Sensing Input
Static Power Dissipation
Voltage
170
520 Vac, 1 phase 2 wires
Max.8 watts
Frequency
50/60 Hz, DIP Switch setting
Under Frequency Protection (Factory Presets)
Power Input
50 Hz system presets knee point at 45 Hz
Voltage
100
300 Vac, 1 phase 2 wires
60 Hz system presets knee point at 55 Hz
Excitation Output
Over Excitation Protection
Voltage
Max. 63 Vdc @ power input 220 Vac
Set point 78 Vdc +/- 5% @ power input 220 Vac
Current
Continuous 7A
Time delay 5 secs. This function can be turned off.
Intermittent 15A for 10 secs.
Resistance
Min. 9 ohms, Max. 100 ohms
Voltage Thermal Drift
Fuse Spec.
Slow blow 5 x 20mm UDA-8A / 250V
Less than 3% at temperature range -40 to +70
˚C
External Voltage Adjustment
Environment
Max. +/- 7% @ 1K ohm 1 watt potentiometer
Operating Temperature
-40 to +60
˚C
Storage Temperature
-40 to +85
˚C
Voltage Regulation
Relative Humidity
Max. 95%
Less than +/- 0.5% ( with 4% engine governing )
Vibration
3 Gs @ 100
2K Hz
Build Up Voltage
Dimensions
5 Vac residual volts at power input terminal
150.0 (L) x 115.0 (W) x 51.5 (H) mm
Soft Start Ramp Time
Weight
3 secs. +/- 10%
430 g +/- 2%
EMI Suppression
Internal electromagnetic interference filtering
