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EA4400 pages
EA440
Self Excited Automatic Voltage Regulator
Compatible with Newage* Stamford SX440 regulator
Features
Voltage regulation < +/- 1%
Can be used in parallel operation
Adjustable DIP, TRIM & DROOP functions
Under frequency roll off protection
Sensing voltage loss protection
Under frequency LED indicator
Soft start voltage ramping
*All manufacturer names, numbers, symbols and descriptions are used for reference purpose only and do not imply that any part is the product of
these manufacturer.
Specifications
Sensing Input
Voltage
190-264 Vac 1 phase 2 wire
Frequency
Output
Soft Start Ramp Time
2 sec.
Analogue Input
50 / 60 Hz selectable
Max. input
+/- 5 Vdc
1V for 5% generator volts
Voltage
Max. 90 Vdc @ 207 Vac
Sensitivity
Current
Continuous 4A, Intermittent 10A for 10 sec.
Input resistance 1K ohm
Burden
10 ohms
Voltage Regulation
Resistance Min. 15 ohms
< +/- 1% (with 4% engine governing)
Droop Input
Max. sensitivity
0.07A for 5% droop (PF=0)
Build Up Voltage
Residual volts at AVR terminal > 5 Vac
Max. input
0.33A
External Volts Adjustment
+/- 8% with 1K ohms 1 watt trimmer
Unit Power Dissipation
Max. 12 watts
Storage Temperature
-40 - +85 °C
Thermal Drift
0.05% per °C change in AVR ambient
Relative Humidity
Max. 95%
Under Frequency Protection
Set point
95% Hz
Vibration
3.3Gs @ 100-2K Hz
Slope
170% down to 30 Hz
Mechanical Specifications
Environment
Operation Temperature -40 - +70 °C
AVR Control Function
Voltage adjustment
STAB
Stability adjustment
Setting under frequency protection knee point
DROOP
Droop adjustment
TRIM
Analogue input adjustment
DIP
48.0
21.5
VOLT
UFRO
135.0
115.0
U/V rate set
TRIM
DROOP
150.0
130.0
VOLT
Physical Specification
Dimensions
150.0 (L) x 135.0 (W) x 48.0 (H) mm
Weight
Resistor
418 g +/- 2%
C-A < 90KW
C-B < 90-550KW
B-A < 550KW
UFRO
STABILITY
C B A
LED
5.5
TEL : +886-7-8121771
FAX : +886-7-8121775
Headquarters : No.3, Lane 201, Chien Fu St., Chyan Jenn Dist., Kaohsiung 80664, TAIWAN
Please link to http://www.kutai.com.tw for detailed manual.
