9287500995 Rev B 1
General Information
The BE2000E is an electronic, solid-state, microprocessor-based control device. The BE2000E regulates
the output voltage of a brushless, ac generator by controlling the current into the generator exciter field.
Input power to the BE2000E is from a multi-pole, high-frequency, permanent magnet generator (PMG).
The BE2000E is supplied in an encapsulated package designed for behind-the-panel mounting. The
BE2000E is held in place by thread-forming screws that thread into its plastic shell. Front panel indicators
(LEDs) annunciate regulator status and system conditions. BE2000E connections are made through
quarter-inch, quick-connect terminals on the rear panel. A nine-pin DB-9 type connector on the rear panel
provides communication between the BE2000E and an IBM compatible PC.
Features
BE2000E units have the following features and capabilities:
• 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 field.
• 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, BE2000E
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 BE2000E status and gives the
ability to make setting changes at the front panel.
• Rear RS-232 communication port for personal computer communication using BESTCOMS™-
BE2000E Windows® based software for fast, user-friendly, setup and control.
BE2000E General Information
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