HT INDUSTRIAL AUTOMATION LIMITED

KUTAI AVR Automatic Voltage Regulator ADVR-250

KUTAI ADVR-250 AVR Operation Manual.pdf

KUTAI ADVR-250 AVR Product Specification Download.pdf

100% Brand New Original Kutai AVR made in TaiWan for sale.

Original Kutai Leroy Somer Series AVR: ADVR-250, EA230, EA448, EA448B

Automatic Voltage Regulator (AVR) compatible with Leroy Somer R230 AVR and R250 AVR

With two-line sensing, ADVR-250 is a hybrid analog-digital AVR for self-excited (shunt) generators. It's compatible with Leroy Somer * R250 and can also replace R230. The innovative heat sink design significantly improves the heat radiation efficiency.

Features for KUTAI ADVR-250 AVR:

Ø  Compact size, robust and high reliability

Ø  Innovative heat sink significantly increases cooling efficiency

Ø  Load Acceptance Module (LAM) protection

Ø  Soft start voltage ramping

Ø  Over excitation protection

Ø  Digital low frequency protection circuit, prevents thermal drift

Ø  EMI suppression

Ø  Built-in high capacity fuse

Specifications for ADVR-250 KUTAI AVR:

Sensing & Power Input

(Average Reading)

Voltage 85 to 140 Vac 1 phase 2 wire

Frequency 50/60 Hz (Potentiometer setting)

Excitation Output

63 Vdc @ 120 Vac single phase

continuous 5A Max. 110 Vdc 5A for 10 seconds

Excitation Resistance

Min. 18 ohms

Max. 100 ohms

Fuse Spec.

Slow blow 5 x 20 mm 8A

External Volts Adjustment

+/-14% with 1 kΩ 1 watt trimmer

Build Up Voltage

Residual volts at power input terminal > 5 Vac 25 Hz

Soft Start Ramp Time

3 seconds +/-10%

Volts Regulation

Less than +/-0.5% (with 4% engine governing)

Response Time

Less than 20 ms

Static Power Dissipation

Max. 4 watts

EMI Suppression

Internal electromagnetic interference filtering

Under Frequency Protection

(Factory Setting)

50 Hz system presets knee point at 48 Hz

60 Hz system presets knee point at 58 Hz

Over Excitation Current Limiting

Excitation Current 5A +/-10%

Voltage Thermal Drift

Less than 3% at -40 to +70 °C

Under Frequency Knee Point Thermal Drift

Less than +/-0.1 Hz at -40 to +70 °C

Operating Temperature

-40 to +70 °C

Storage Temperature

-40 to +85 °C

Relative Humidity

Max. 95%

Vibration

5.5 Gs @ 60 Hz

Physical Specifications for ADVR-250 KUTAI Voltage Regulator:

Dimensions:

140.0 (L) x 81.0 (W) x 46.0 (H) mm

5.51 (L) x 3.19 (W) x 1.81 (H) inch

Weight:

300 g +/-2%

0.66 lb +/-2%