Kutai ADVR-440 is a voltage regulator designed to be used with brushless, self-excited generators. It can be powered by a power input voltage of 40-300 Vac, 1 phase, 2 wire. It can output a maximum of 4 Amps excitation current at a voltage of 45 Vdc for 10 seconds.
The device has various features that enhance its functionality, including:
- External voltage adjustment for precise control of the output voltage.
- Voltage regulation of less than +/- 0.5% for stable voltage output.
- Build-up voltage of 5 Vac ensures reliable system startup.
- Soft start ramp time of 4 seconds for smooth voltage transition.
Kutai ADVR-440 is a voltage regulator designed to be used with brushless, self-excited generators. It can be powered by a power input voltage of 40-300 Vac, 1 phase, 2 wire. It can output a maximum of 4 Amps excitation current at a voltage of 45 Vdc for 10 seconds.
The device has various features that enhance its functionality, including:
- External voltage adjustment for precise control of the output voltage.
- Voltage regulation of less than +/- 0.5% for stable voltage output.
- Build-up voltage of 5 Vac ensures reliable system startup.
- Soft start ramp time of 4 seconds for smooth voltage transition.
KUTAI ELECTRONICS INDUSTRY CO., LTD.
TEL : +886-7-8121771 FAX : +886-7-8121775 Website : www.kutai.com.tw
Headquarters : No.3, Ln. 201, Qianfu St., Qianzhen Dist., Kaohsiung City 80664, Taiwan
ADVR-440
Generator Automatic Voltage Regulator
Operation Manual
Analog / Digital, Single-phase detection，Excitation Current 4 Amps.
For use in brushless, self-excited (shunt) generators
Compatible with Stamford AS440*, 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.
___________________________________________________________________________________________
2 ADVR-440
SECTION 1 : SPECIFICATION
Sensing Input (7, 8) Average Reading
Quadrature Droop Input (S1, S2)
Voltage 110 / 220 Vac, 1 phase 2 wire
Burden Less than 0.1 ohm
Jumper setting
Max. sensitivity 0.07A for 5% droop (PF=0)
90 130 Vac @ 110 Vac
Droop adjustable
180 260 Vac @ 220 Vac
Max. input 0.33A
Frequency 50/60 Hz (Jumper setting)
Analogue Voltage Input (A1, A2)
Power Input (7, Z2)
Input resistance More than 2K ohm
Voltage 40 – 300 Vac, 1 phase 2 wire
Max. input +/- 5 Vdc or +10 Vdc
Frequency 40 60 Hz
Sensitivity 1Vdc for 5% Generator Volts
TRIM adjustable
Excitation Output (F1, F2)
110V 1 phase Continuous 33 Vdc 4A
Under Frequency Protection (Factory Presets)
Max. 45 Vdc 7.5A for 10 secs.
50 Hz system knee point at 45 Hz
220V 1 phase Continuous 63 Vdc 4A
60 Hz system knee point at 55 Hz
Max. 90 Vdc 7.5A for 10 secs.
Resistance Min. 15 ohms, Max.100 ohms
Over Excitation Protection
Fuse Spec. Slow blow 5 x 20mm S505-6.3A
Set point 40 – 110 Vdc @ power input 220 Vac
EXT. adjustable
External Voltage Adjustment (1, 2)
Set point 110 Vdc +/- 10% @ power input 220 Vac
Max.+/- 10% @ 1 K ohm 1 watt potentiometer
(Factory Presets)
The output will drop after a 10 seconds delay
Voltage Regulation
Less than +/- 0.5% (with 4% engine governing)
Voltage Thermal Drift
Less than 3% at temperature range -40 to +70 ˚C
Build Up Voltage
5 Vac 25 Hz residual volts at power input terminal
Under Frequency Knee Point Thermal Drift
Less than +/- 0.1 Hz at -40 to +70 ˚C
Soft Start Ramp Time
4 seconds +/- 10%
Environment
Operating Temperature -40 to +60 ˚C
Typical System Response
Storage Temperature -40 to +85 ˚C
Less than 20 milliseconds
Relative Humidity Max. 95%
Vibration 5.5 Gs @ 60 Hz
EMI Suppression
Internal electromagnetic interference filtering
Dimensions
135.0 (L) x 100.0 (W) x 45.0 (H) mm
Static Power Dissipation
5.31 (L) x 3.94 (W) x 1.77 (H) inch
Max. 4 watts
Weight
405 g +/- 2%
0.89 lb +/- 2%
___________________________________________________________________________________________
ADVR-440 3
SECTION 2 : APPEARANCE / DIMENSIONS / INSTALLATION DRAWING
114.0 [4.49"]
135.0 [5.31"]
100.0 [3.94"]
80.0 [3.15"]
5.4 [0.21"]
20.0 [0.79"]
45.0 [1.77"]
SECTION 3 : POTENTIOMETER ADJUSTMENT
1, 2：External VR Input
Shorted when not in use
Z2：Power Input
40 – 300 Vac
A1、A2：Analogue Voltage Input
+/- Max. +/- 5 Vdc or + 10 Vdc
L, L：Short for 110V
Open for 220V
U/F LED: Under Frequency
Indicator
O/E LED : Over-Excitation Indicator
8：Sensing Input
90 260 Vac
7：Power and Sensing
Input terminals
F1, F2：
Excitation Output
Connect to generator
excitation field
VOLT：Voltage
Adjustment
EXC.：Over Excitation Protection
TRIM：Analogue Voltage Input
S1、S2：Quadrature Droop Input
Max. sensitivity 0.07A for 5% droop,
Max. 0.33A
3：No use
A, B, C, D :
Stability Setting
A-B > 550KW
B-C 100-550KW
A-C < 100KW Fast
B-D < 100KW Slow
U/F：
Under Frequency
Protection
50, C, 60：
Frequency Select
PIN 50 and C for 50 Hz
PIN 60 and C for 60 Hz
DROOP：Current Compensation
Droop Adjustment
S F
-+
-+
-+
-+
ADVR-440
-+
STAB：
Stability Setting
Figure 1 Outline Drawing
___________________________________________________________________________________________
4 ADVR-440
SECTION 4 : CONNECTION DIAGRAMS
~
G
R
S
N
T
Field
1000 Ohm
EXT. VR
OPEN：220VAC
SHORT：110VAC
Figure 3 110/220 Vac
~
G
R
S
N
T
Field
1000 Ohm
EXT. VR
Figure 4 380/440 Vac
___________________________________________________________________________________________
ADVR-440 5
Aux.winding
~
G
R
S
N
T
Field
1000 Ohm
EXT. VR
OPEN：220VAC
SHORT：110VAC
Figure 5 Auxiliary Winding
ATTENTION
1. All voltage readings are to be taken with an average-reading voltmeter Meggers and high-potential test
equipment must not be used. Use of such equipment could damage the AVR.
2. Improper setting of under-frequency protection could cause the output voltage of the unit to drop or
become unstable under with changes in load. Avoid making any changes to the U/F setting unless
necessary.
3. Turn off O/E in AVR when paralleling.
※ Use only the replacement fuses specified in this user manual.
※ Appearance and specifications of products are subject to change for improvement without prior notice.
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Kutai ADVR-440 is a voltage regulator designed to be used with brushless, self-excited generators. It can be powered by a power input voltage of 40-300 Vac, 1 phase, 2 wire. It can output a maximum of 4 Amps excitation current at a voltage of 45 Vdc for 10 seconds.
The device has various features that enhance its functionality, including:
- External voltage adjustment for precise control of the output voltage.
- Voltage regulation of less than +/- 0.5% for stable voltage output.
- Build-up voltage of 5 Vac ensures reliable system startup.
- Soft start ramp time of 4 seconds for smooth voltage transition.
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