EA3210 pages
EA321
Permanent Magnet Generator Type AVR
Compatible with Newage* Stamford MX321 regulator
Features
Voltage regulation < +/- 0.5% RMS
For use in parallel operation
RAMP, DIP, DWELL, DROOP, RMS, U/F, Over Voltage & Over Excitation
adjustment functions
Over Exc. /Over Volt. & UFRO LED indicators
Current limiting function
*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
Burden
10 ohms
50 / 60 Hz selectable
Max. sensitivity
0.22A for 5% droop (PF=0)
Voltage
170-220 Vac 3 phase 3 wire
Max. input
0.33A
Current
3A / phase
Frequency
Power Input (PMG)
190-264 Vac 3 phase
Frequency
Droop Input
100-120 Hz nominal
Under Frequency Protection (Factory Settings)
Set point
95% Hz
Voltage
Max. 120 Vdc
Slope
100-300% down to 30 Hz
Current
Output
Continuous 4A, Intermittent 7A for 60 sec.
Max. Dwell
20% volts/sec. recovery
Resistance Min. 15 ohms
Current Limit Input
Voltage Regulation
< +/- 0.5% RMS (with 4% engine governing)
Build Up Voltage
Residual volts at AVR terminal > 5 Vac
Burden
10 ohms
Sensitivity range 0.5-1A
Over Voltage Detector Input
External Volts Adjustment
+/- 10% with 5K ohms 1 watt trimmer
Set point
300V
Unit Power Dissipation
Max. 18 watts
CB trip coil volts
Thermal Drift
0.05% per °C change in AVR ambient
Over Excitation Protection
Soft Start Ramp Time
0.4-4 sec.
Environment
Analogue Input
Max. input
Time delay 1 sec. (fixed)
10-30 Vdc / 0.5 Amp
Set point 120 Vdc Time delay 8-15 sec.
Operation Temperature
-40 - +65 °C
Storage Temperature
-40 - +80 °C
Sensitivity 1V for 5% generator volts
Relative Humidity
Max. 95%
Input resistance 1K ohm
Vibration
3.3Gs @ 100-2K Hz
+/- 5 Vdc
Mechanical Specifications
AVR Control Function
153.6
129.6
43.5
20.0
HZ related recovery time set
I / LIMIT
Stator current limit set
Over voltage trip level set
RAMP
No load voltage ramp set time
RMS
65.0
203.5
HZ related voltage DIP set
OVER / V
114.5
Over excitation trip level set
Root mean square of generator
INDICATOR
DIP
STABILITY
To optimize analogue input sensitivity
DWELL
LED
DWELL
To set the Droop to 5% at PF=0
DIP
EXC. TRIP
UFRO knee point set
EXC TRIP
RAMP
Stability adjustment
TRIM
OVER / V
STAB
DROOP
Resistor
Output voltage adjustment
UFRO
Resistor
VOLT
UFRO
RMS
DROOP
VOLTS
TRIM
I/LIMIT
Physical Specification
5.5
Dimensions
203.5 (L) x 153.6 (W) x 43.5 (H) mm
Weight
530 g +/- 2%
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.