Kutai Electronics Co., Ltd.

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Automatic Voltage Regulator

Product ID: EA321

Model No. EA321

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Permanent Magnet Generator Type AVR

Compatible with Newage* Model MX321

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Specifications:

Sensing Input

Voltage:190 ~ 264 VAC, 2 or 3 phase
Frequency:50 / 60 Hz selectable

Power Input

Voltage:170 ~ 220 VAC, 3 phase 3 wire
Current:3A / phase
Frequency:100 ~ 120 Hz nominal

Output

Voltage:Max. 120 VDC
Current:Continuous 3.7A
Intermittent 6A for 10 sec.
Resistance:Min. 15 Ω

Voltage Regulation: < ±0.5% RMS (with 4% engine governing)
Voltage Build-up: Residual volts at AVR terminal > 5 VAC
Soft Start Ramp Time: 0.4 ~ 4 sec. adjustment
Thermal Drift: 0.05% per °C change in AVR ambient
Current Limit Input: Burden: 10 Ω, Sensitivity range: 0.5 ~ 1A
Unit Power Dissipation: Max. 18 watt
External Volts Adjustment: ±10%with 1KΩ 1 watt trimmer
Over Excitation Protection

Set point:75 VDC, Time delay 8 ~ 15 sec.

Under Frequency Protection (UFRO)

Set point:95% Hz (Factory set)
Slope:100 ~ 300 % down to 30 Hz
Max. Dwell:20% volts/sec. recovery

Analogue Input: Max. Input:±5 VDC

Features:

< ±0.5% RMS Regulation
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

Main Products:
Engine control unit, Transfer Switch, Generator Voltage Regulator, Automatic Transfer Switch, Automatic Voltage Regulator, Automatic Battery Charger, Electronic Governor Controller, ATS Controller and Genset Controller