KUTAI ADVR-053 is an advanced (Hybrid Analog / Digital Voltage Regulator) design for general-purpose isochronous stand alone applications. The ADVR-053 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.
The ADVR-053 is a hybrid analog/digital voltage regulator designed for standalone isochronous applications. It uses a CPU to eliminate temperature-sensitive analog components, improving stability. It includes over-excitation and loss-of-sensing protections with LED indicators. The unit is easy to install and compatible with both shunt and auxiliary winding generators.
Installation involves wiring according to diagrams, setting DIP switches for frequency and voltage range, and adjusting voltage and stability using potentiometers. Protection features include under-frequency and over-excitation shutdowns with factory presets. Troubleshooting is covered for common issues like voltage not building or instability.
| Sensing Input Voltage | 170–520 Vac, 1 phase 2 wires |
|---|---|
| Excitation Output Voltage | Max. 63 Vdc @ power input 220 Vac, Set point 78 Vdc +/- 5% @ power input 220 Vac |
| Operating Temperature | -40 to +70 ˚C |
| Fuse | Slow blow 5 x 20mm S505-5A / 250V |
The sensing range is 170–260 Vac.
The O/E LED turns on and the ADVR shuts down excitation.
Set DIP SW-1 to ON and adjust U/F between 40–50 Hz (factory preset at 45 Hz).