NERC testing is significantly facilitated with the RVX POWER intuitive HMI interface featuring a graphical representation of the transfer function, built-in step response feature, chart recorder and ability to change tuning parameters for the closed loop control and limiters all from one tool. At 0.001% frequency accuracy (6mHz), the RVX POWER Digital Governor frequency deadband senses the smallest change in frequency. Total deadtime including typical hydraulic delay is well within the NERC requirement and distinguish itself among other Digital Hydro Governors on the market.

Detection and tuning in isolated operation is easily performed using the built-in simulated grid isolation feature. The user can easily change the control deadband and droop for isolated mode operation as well as the detection parameters for initiating isolated mode operation as well as returning to grid-connected mode.

The open programming allows for adding additional advanced control algorithms, such as adaptive control for head and load, Hill chart, Runner wear Optimization etc. Users have full control to make software changes or adding new analog or digital interface points.

The RVX POWER digital governor offers a variety of redundancy options, such as, redundant controller, redundant I/O unit, redundant feedback sensors, redundant PT measuring etc.  Even without redundancy the controller boost an impressive MTBF of 146,000 hours (MIL-HDBK-217F).

REIVAX Optimizer algorithm goes beyond turbine index testing.  Runner blade and wicket gate combinations are tested during normal operation at constant load for different head levels. The optimal combination curve (CAM curve) is then loaded into the Governor to guarantee that the unit delivers the highest possible efficiency.  Produce more Power or maintain the same Power output using less water!

REIVAX only works with the most reliable sub suppliers. Hydraulic components are sourced from Bosch/Rexroth, Parker and Atos.  Positioning feedback sensors are MLDT/LVDT from Balluf.