HT INDUSTRIAL AUTOMATION LIMITED

KUTAI Automatic Voltage Regulator AVR EA321

KUTAI EA321 AVR Operation Manual Download.pdf

KUTAI EA321 AVR Product Specification Download.pdf

100% Brand New Original Kutai AVR made in TaiWan for sale.

Automatic Voltage Regulator for PMG Generator

EA321 3 Phase Sensing Permanent Magnet Generator type voltage regulator is a compatible replacement for Newage Stamford MX321 AVR and Onan 305-0823 AVR.

Features for KUTAI EA321 AVR:

Ø  Voltage regulation < +/-0.5% RMS

Ø  For use in parallel operation

Ø  RAMP, DIP, DWELL, DROOP, RMS, U/F, Over Voltage & Over Excitation Adjustment Functions

Ø  Over Exc. / Over Volt. & UFRO LED indicators

Ø  Current limiting function

Specifications for EA321 KUTAI AVR:

Sensing Input Voltage190 to 264 Vac 3 phaseFrequency50/60 Hz selectable

Power Input (PMG) Voltage170 to 220 Vac 3 phase 3 wireCurrent3A / phaseFrequency100 to 120 Hz nominal

Output VoltageMax. 120 VdcCurrentContinuous 4A

Intermittent 7A for 60 secondsResistanceMin. 15 ohms

Voltage Regulation < +/-0.5% RMS (with 4% engine governing)

Build Up Voltage Residual volts at AVR terminal > 5 Vac

External Volts Adjustment +/-10% with 5 kΩ 1 watt trimmer

Unit Power Dissipation Max. 18 watts

Thermal Drift 0.05% per °C change in AVR ambient

Soft Start Ramp Time 0.4 to 4 seconds

Analogue Input Max. Input+/-5 VdcSensitivity1V for 5% generator voltsInput Resistance1 kΩ

Droop Input Burden10 ohmsMax. Sensitivity0.22A for 5% droop (PF=0)Max. Input0.33A

Under Frequency Protection

(Factory Setting) Set Point95% HzSlope100% to 300% down to 30 HzMax. Dwell20% volts conds recovery

Current Limit Input Burden10 ohmsSensitivity Range0.5A to 1A

Over Voltage Detector Input Set Point300VTime Delay1 second (fixed)CB Trip Coil Volts10 to 30 Vdc / 0.5 Amp

Over Excitation Protection Set Point120 VdcTime Delay8 to 15 seconds

Environment Operating Temperature-40 to +70 °CStorage Temperature-40 to +85 °CRelative HumidityMax. 95%Vibration3.3Gs @ 100 to 2K Hz

Physical Specifications for EA321 KUTAI Voltage Regulator:

Dimension 203.5 (L) x 153.6 (W) x 43.5 (H) mm

Weight 530 g +/-2%