Kutai electronics ADVR-250 Operation Manual

KUTAI ELECTRONICS INDUSTRY CO., LTD.

TEL : [phone] FAX : [phone] Website : www.kutai.com.tw
Headquarters : No.3, Ln. 201, Qianfu St., Qianzhen Dist., Kaohsiung City 80664, Taiwan

Analog / Digital，Single-phase detection，Excitation Current 3.5 Amps.

For use in brushless, self-excited (shunt) generators

Compatible with Leroy Somer* R250/R230, AVR

* All manufacturer names and numbers are used for reference purpose only

and do not imply that any part is the product of these manufacturer.

ADVR-250

Generator Automatic Voltage Regulator

Operation Manual

Figure 1 Outline Drawing

Sensing Input ( 0V, 110V ) Average Reading

Under Frequency Protection (Factory Presets)

Voltage 85  140 Vac, 1 phase 2 wire

50 Hz system knee point at 48 Hz

Frequency 50/60 Hz, Potentiometer setting

60 Hz system knee point at 58 Hz

Excitation Output ( E+, E- )

Over Excitation Current Limiting

120V 1 phase Continuous 63 Vdc 3.5A

Excitation Current 5 A +/- 10 %

Max. 110 Vdc 5A for 10 secs.

Resistance Min. 18 ohms, Max.100 ohms

Voltage Thermal Drift

Fuse Spec. Slow blow 5 x 20mm 8A

Less than 3% at temperature range -40 to +70 ˚C

External Voltage Adjustment (1K ohm )

Under Frequency Knee Point Thermal Drift

Max.+/- 14% @ 1 K ohm 1 watt potentiometer

Less than +/- 0.1 Hz at -40 to +70 ˚C

Voltage Regulation

Environment

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

Operating Temperature -40 to +70 ˚C

Storage Temperature -40 to +85 ˚C

Build Up Voltage

Relative Humidity Max. 95%

5 Vac 25 Hz residual volts at power input terminal

Vibration 5.5 Gs @ 60 Hz

Soft start ramp time

Dimensions

3 seconds +/- 10%

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

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

Typical System Response

Less than 20 milliseconds

Weight

300 g +/- 2%

EMI Suppression

0.66 lb +/- 2%

Internal electromagnetic interference filtering

Static Power Dissipation

Max. 4 watts

Unit : mm

[inch]

[3.19"]

81.0

[5.51"]

140.0
[4.53"]

115.0

[1.06"]

27.0

[1.96"]

50.0

[1.81"]

46.0

M4 L25

8.5

[0.33"]

Connection Terminals：6.35 mm (1/4 inch)
Flag Terminals ( “Fast-On” terminals ).

SECTION 1 : SPECIFICATION

SECTION 2 : APPEARANCE / DIMENSIONS / INSTALLATION DRAWING

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2 ADVR-250