Original Marathon DVR2400 Digital Voltage Regulator PMG 0.25% Regulation 3-Phase RMS Sensing USB Modbus
Specification
Product: Marathon DVR2400 Digital Voltage Regulator
Brand: Original Marathon
Type: Microprocessor digital AVR, PMG-excited
Voltage Regulation: ±0.25 % over load range at rated PF and constant frequency
Temperature Drift: ±0.0125 % / °C
Operating Power: 180–240 V AC, 250–300 Hz PMG, 350 VA
Voltage Sensing: 10–600 V AC, true RMS; 1-phase (AVR1) on 2400, selectable 3-phase (AVR3)
Current Sensing: 5 A AC continuous, 1-phase (B-phase) on 2400, optional CTs
Regulation Modes: AVR1, AVR3, FCR, VAR, PF
Paralleling: Reactive droop compensation 0–10 % at rated kVAr; simulated reactive power
Metering: V, I, kW, kVA, kVAr, PF, Hz, field current (true RMS)
Communication: USB 2.0 Modbus with DVRPortal software; front-panel HMI
Protection: Field over/under-excitation, gen over/under-voltage, voltage imbalance, reverse power, loss of sensing, field over-current, regulator over-temperature, parallel faults
