General description

The DVC 550 is a digital automatic voltage regulator, which

monitors and regulates the alternator output with rated field

current up to 7 A and voltage supply up to 277 V AC.

It is designed for alternators with SHUNT, AREP (auxiliary

winding) or PMG (permanent magnet) excitation types.

The DVC adjusts the excitation current in the exciter field

according to the desired alternator output.

The DVC 550 includes several protections and functions to keep

the alternator running in full safe operation.

The utility software, DEIF EasyReg Advanced, provides a visual

interface to configure values and parameters. The intuitive

interface makes it fast and easy to monitor and troubleshoot.

EasyReg can also be configured directly with the USB port

without external power supply.

Main features

• Unique CANbus integration between DVC550 and AGC

genset controller

• Start management capability with start on threshold, soft start

and close before excitation (run up sync)

• Intelligent drying and ventilation mode for generators

• Short circuit limitation

• Loss of voltage sensing detection

• Over/ under excitation limitation

• Optimize genset performance and size using engine help

functions

◦ load acceptance module (LAM) assists generator during

heavy loads

◦ negative forcing to avoid voltage peak during load sheeding

◦ U/f ramp

◦ Soft voltage recovery

◦ stator current limitation

• Settings from AGC genset controller shared with the DVC550

via CANbus

• Grid code compliant VDE410 and VDE4105