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Digital Energy  Protection & Control Generator Protection |
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MIW II Directional Power Protection System The MIW II, a member of the M II Family of Relays, is a digital device that provides directional power and loss of field protection for generators. Operation of the MIW II is based on the calculated direction of 3 phase power flow. The MIW II can be ordered with either one of the following two option packages:
 Configurable logic, curves, I/Os and LEDs Flash memory for field upgrades Two settings groups Password protection for local operation Automatic display of information from last 5 faults Drawout case for easy maintenance AC/DC power supply Access via front panel keypad or communication links Diagnostic features - event recording and analog/digital oscillography Isolated front RS232 serial port  Controlling power flow in AC generator applications of any size  Available versions are three power protection elements (32_x) for MIWII1000 and four power protection elements for MIWII2000 Loss of field/excitation protection element (40) VT fuse failure protection element (60) 6 outputs, four configurable, plus trip and alarm  Metering values for Ia, voltage values, P, Q, S, V1, V2, and angle 24-event record Analog/digital oscillography - 24 cycles at 8 samples per cycle Information displayed on last 5 relay trips  2x16 character LCD display 6 LED indicators with 4 configurable in function and in color Front RS232 and rear RS485 ports using ModBus® RTU protocol up to 19,200 bps EnerVista software - an industry leading suite of software tools that simplifies every aspect of working with GE Multilin devices
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