Hydro-electric generating set with preadvanced optimal efficiency of the required notation values

摘要

A machine set (1) consists of a water-driven turbine (11) and a coupled generator (12). The generator feeds a network of constant frequency (3) via a frequency-controllable converter (2). The speed setpoint (n *) of the machine set is specified in an efficiency-efficient manner by means (4) simulating turbine characteristics depending on two parameters (ao, φ), and preferably fine-tuned (nOPT *) by a maximum power point controller (5). In a single or double adjustable turbine (11), the upper or lower water level (LO, LU) can also be adjusted by a control device (6) when using one of the two parameters (ao or φ) as a control signal for the stator / nozzle opening or Impeller opening can be specified. In the case of a double-adjustable turbine, the parameter not required for level control is advantageously tracked as a further actuating signal with optimum efficiency and the parameter used for level control is limited.