EA3410 pages

EA341
Permanent Magnet Generator Type AVR
Compatible with Newage* Stamford MX341 regulator

Features
Voltage regulation < +/- 1%
3 phase PMG power input
For use in parallel operation
Adjustable EXC TRIP, DIP, TRIM & DROOP functions
Soft start voltage ramping
Under frequency roll off protection
UFRO & Over Excitation LED indicators
*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
Frequency

Power Input (PMG)

190-264 Vac 1 phase 2 wire
50 / 60 Hz selectable

Burden

10 ohms

Max. sensitivity 0.22A for 5% droop (PF=0)

Voltage

170-220 Vac 3 phase 3 wire

Current

3A / phase

Frequency
Output

Droop Input

Max. input

100-120 Hz nominal

0.33A

Under Frequency Protection (Factory Settings)
Set point
Slope

Voltage

Max. 120 Vdc

Current

Continuous 2.7A, Intermittent 6A for 10 sec.

Current Limit Input

95% Hz
170% down to 30 Hz

Burden

Resistance Min. 15 ohms

10 ohms

Sensitivity range 0.5-1A

Voltage Regulation

< +/- 1% (with 4% engine governing)

Build Up Voltage

Residual volts at AVR terminal > 5 Vac

External Volts Adjustment

Max. 12 watts

Thermal Drift

0.05% per °C change in AVR ambient

Soft Start Ramp Time

3 sec.

Analogue Input

Max. input

Set point

+/- 10% with 1K ohm 1 watt trimmer

Unit Power Dissipation

Over Voltage Detector Input
300V

CB trip coil volts
Over Excitation Protection

Time delay 1 sec. (fixed)
10-30 Vdc / 0.5 Amp

Set point

90 Vdc

Time delay 10 sec. (fixed)
Environment

+/- 5 Vdc

Operation Temperature -40 - +70 °C
Storage Temperature

-40 - +85 °C

Sensitivity 1V for 5% generator volts

Relative Humidity

Max. 95%

Input resistance 1K ohm

Vibration

3.3Gs @ 100-2K Hz

Mechanical Specifications

AVR Control Function
Output voltage adjustment

STAB

Stability adjustment
UFRO knee point set

DROOP

To set the Droop to 5% at PF=0

TRIM

To optimize analogue input sensitivity

EXC TRIP

Over excitation trip level set

DIP

48.0
21.5

VOLT

UFRO

135.0
115.0

HZ related voltage DIP set

TRIM

DROOP

Resistor

150.0
130.0

VOLT

Physical Specification
EXC. TRIP

Dimensions
C-A < 90KW
C-B < 90-550KW
B-A < 550KW

UFRO

STABILITY

150.0 (L) x 135.0 (W) x 48.0 (H) mm

Weight

DIP

394 g +/- 2%

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.