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Marathon DVR2000E AVR Automatic Voltage Regulator

 Marathon DVR2000E AVR

MARATHON DVR2000E AVR FOR MARATHON/MAGNAPLUS ALTERNATORS
PART NUMBER: D528258


General Description


The DVR®2000E is an electronic, solid-state, microprocessor-based control piece of equipment. The DVR®2000E controls the output voltage of a brushless, ac generator by directing the current into the generator exciter field. Input power to the DVR®2000E is from a multi-pole, high-frequency, permanent magnet generator (PMG). The DVR®2000E is supplied in an encapsulated package intended for behind-the-panel mounting. The DVR®2000E is held in place by thread-forming screws that thread into its plastic shell. Front panel indicators (LEDs) annunciate regulator status and system restrictions. DVR®2000E connections are made through quarter-inch, quick-connect terminals on the rear panel. A 9-pin DB-9 type connector on the rear panel provides interactions between the DVR®2000E and a compatible PC. When the DVR®2000E Voltage regulator is boarded on the generator at the factory a molded cover is provided. This cover admits the system to be in compliance with UL 508 as live terminals and heatsinks could be exposed to unintentional contact. As stated this cover must be installed whenever the voltage regulator is boosted.



FEATURES


• Four control modes: automatic voltage regulation (AVR), manual or field current regulation (FCR), power

factor (PF) regulation, and reactive power (VAR) regulation.
• Programmable stability settings.
• Soft start control with an adjustable time setting in AVR control mode.
• Overexcitation (OEL) limiting in AVR, VAR, and PF control modes.
• Underfrequency (volts/hertz) regulation.
• Crowbar circuitry protects the fi eld.
• Overtemperature protection.
• Three-phase or single-phase generator voltage (RMS) sensing/regulation in AVR mode.
• Single-phase generator current sensing for metering and regulation purposes.
• Field current and field voltage sensing.
• Four contact sensing inputs for system interface.
• One common output relay for alarm indication and trip functions.
• Six protection functions (overexcitation shutdown, generator overvoltage shutdown, DVR® overtemperature
shutdown, loss of generator sensing shutdown, overexcitation limiting and crowbar shutdown).
• Generator paralleling with reactive droop compensation and reactive differential compensation.
• Front-panel human-machine interface (HMI) indicates system and DVR®2000E status and gives the ability
to make setting changes at the front panel.
• Rear RS-232 communication port for personal computer communication using MARATHON-DVR®2000ECOMS
Windows® based software for fast, user-friendly, setup and control.








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TECHNICAL INFORMATION AND RESOURCES

(Download Datasheet)
STANDARD TERMS & CONDITIONS:
NEW and ORIGINAL parts
Each unit prototype and individually tested from factory prior to shipping
Shipping world wide via FedEx, UPS, DHL, USPS, TNT
Same day shipping subject to previous sales
Photos reflect most curret model and features
Great discounts available for volume orders, Distributors welcome
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9930 NW 21 Street
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