Electrical systems that deliver your energy safely to the grid

We select and size transformers from established manufacturers based on generator voltage, grid connection voltage, and operating scenarios – as oil-filled or dry-type transformers, depending on the requirements. Proven solutions ensure stable and reliable power transmission.

Medium- and high-voltage switchgear ensures a safe connection between your hydropower plant and the grid. The choice between air-insulated and gas-insulated designs depends on the available space, short-circuit current, and grid connection concept.

Our protection systems safeguard the generator, transformer, and grid connection point as part of a coordinated protection concept. To achieve this, we configure protection relays from established manufacturers for each project and coordinate them with the plant, grid, and operating requirements.

Depending on the plant concept, we generally use brushless excitation systems. Static systems are also available where required. Both regulate voltage and reactive power and are coordinated with the generator, grid, and operating points.

Our synchronizing units quickly and accurately match voltage, frequency, and phase angle between the generator and the grid. The generator circuit breaker is only enabled when conditions are within permissible limits. Independent backup protection reduces the risk of incorrect synchronization.

Auxiliary power supply systems ensure the supply of critical systems within the plant. We size UPS systems, battery systems, and distribution systems so that control, protection, and communication remain available during grid events and switching operations.