Abstract: The invention is directed at a substantially continuous unbroken frequency curve during operation modes from dump load operation, reverse power operation, low load operation and normal operation. Controlling functions are active during all operation modes except the engine controller which is on standby when in an engine stopped mode. This all together gives a dynamic, robust and flexible energy supply, preferably in a range of 50 to 50.3 Hz. Further the clutching is performed substantially without fluctuations. The invention substantially prevents harmonic fluctuations to the grid. The main reactive power compensation is handled by the alternator always connected to the grid and rotating. Further reactive power compensation is done by a standard automatic reactive power compensation system. The invention contributes to stabilization of grid fluctuations with its mechanical inertia from the rotating alternator in the engine stopped mode and also with the engine in the other modes.

Abstract: A energy supply system with at least a renewable energy generator and a standard generator driven by fossil energy and a dump load system, which could be a battery. The renewable generator may be limited in it's energy production when the load is to low. The generator may be feed with energy, i.e. driven in motor load to take over short term surplus energy. The system may contribute to stabilization of grid fluctuations with its mechanical inertia from the rotating alternator in the engine stopped mode and with the engine in other modes.

Abstract: The present invention relates to a method and plant of operating a grid forming power supply plant based on both a renewable energy, such as based on wind energy, solar energy, hydro energy, wave energy, and a carbon based energy, such as carbon based fuel. The grid includes a power input connection from a renewable power supply system and a power input connection from an carbon fuel engine based generator set. The generator set includes an engine for converting the carbon-based energy into motion energy, a generator, such as an alternator, for converting the motion energy into electrical energy, and a clutch for coupling and uncoupling of the engine with the generator. The system also includes a power buffer, such as a battery, subsystem for providing short term grid forming capacity and a plant grid forming controller for controlling grid parameters by means of controlling steps of a method.

Abstract: The present invention relates to a method and plant of operating a grid forming power supply plant based on both a renewable energy, such as based on wind energy, solar energy, hydro energy, wave energy, and a carbon based energy, such as carbon based fuel. The grid includes a power input connection from a renewable power supply system and a power input connection from an carbon fuel engine based generator set. The generator set includes an engine for converting the carbon-based energy into motion energy, a generator, such as an alternator, for converting the motion energy into electrical energy, and a clutch for coupling and uncoupling of the engine with the generator. The system also includes a power buffer, such as a battery, subsystem for providing short term grid forming capacity and a plant grid forming controller for controlling grid parameters by means of controlling steps of a method.

Abstract: The invention is directed at a substantially continuous unbroken frequency curve during operation modes from dump load operation, reverse power operation, low load operation and normal operation. Controlling functions are active during all operation modes except the engine controller which is on standby when in an engine stopped mode. This all together gives a dynamic, robust and flexible energy supply, preferably in a range of 50 to 50.3 Hz. Further the clutching is performed substantially without fluctuations. The invention substantially prevents harmonic fluctuations to the grid. The main reactive power compensation is handled by the alternator always connected to the grid and rotating. Further reactive power compensation is done by a standard automatic reactive power compensation system. The invention contributes to stabilization of grid fluctuations with its mechanical inertia from the rotating alternator in the engine stopped mode and also with the engine in the other modes.

Abstract: The present invention relates to a method and plant of operating a grid forming power supply plant based on both a renewable energy, such as based on wind energy, solar energy, hydro energy, wave energy, and a carbon based energy, such as carbon based fuel. The grid includes a power input connection from a renewable power supply system and a power input connection from an carbon fuel engine based generator set. The generator set includes an engine for converting the carbon-based energy into motion energy, a generator, such as an alternator, for converting the motion energy into electrical energy, and a clutch for coupling and uncoupling of the engine with the generator. The system also includes a power buffer, such as a battery, subsystem for providing short term grid forming capacity and a plant grid forming controller for controlling grid parameters by means of controlling steps of a method.

Abstract: A energy supply system with at least a renewable energy generator and a standard generator driven by fossil energy and a dump load system, which could be a battery. The renewable generator may be limited in it's energy production when the load is to low. The generator may be feed with energy, i.e. driven in motor load to take over short term surplus energy. The system may contribute to stabilization of grid fluctuations with its mechanical inertia from the rotating alternator in the engine stopped mode and with the engine in other modes.