The Mitsubishi Electric D-AVR regulates synchronous generator voltage, and is required for superior reliability, easy operation and maintenance.
Our D-AVR allows quick detection of faulty positions with LED display, maintenance tool alarm system, and CPU fault information display. Designed as an integrated unit, the D-AVR has a better space factor in a cubicle and reduced environmental load.

D-AVR Advantages
- Realize 5msec sampling time with 32-bit RISC processor.
- Better space factor in a cubicle by downsizing to be an integrated unit.
- Dual system configuration using duplex cable connections of 2 units.
- All interfaces is cable and installed front or bottom side. All connector has different shape for preventing from wrong connection.
High reliability・High functionality・High-performance control
- High speed computation using a 32-bit high-speed RISC processor.
- Superior control accuracy using a 16-bit analog-digital conversion.
- ⊿P type and⊿f type PSS are equipped as power grid stabilizing functions. Applicable to ⊿ω system PSS with an optional card.
- Reboot function permits automatic recover from a transient fault.
Operation・Maintenance
- Maintenance tool can monitor, operate, parameter set and trend graph display at fault condition.
- Allows quick detection of faulty positions with LED display, maintenance tool alarm system and CPU fault information display.
- High density functions are realized by using box-type module and functional software.
- When dual system is consisted, On-line replacing is applicable. Moreover interface connectors are selected different shape to prevent wrong connection.
- High space efficiency and easier maintenance with high-density and downsizing by use of functional software.
- In order to support periodical inspections, Software and a maintenance tool for tests are provided.
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