Method for coupling a steam turbine and a gas turbine at a desired differential angle

The invention relates to a method for coupling a rotational device, particularly a steam turbine, and a shaft device, particularly a gas turbine, said method comprising the following steps: 1) accelerating the rotational device up to an output rotational speed that is below the rotational speed of t...

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1. Verfasser: ZIMMER GERTA
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a method for coupling a rotational device, particularly a steam turbine, and a shaft device, particularly a gas turbine, said method comprising the following steps: 1) accelerating the rotational device up to an output rotational speed that is below the rotational speed of the shaft device; 2) detecting a differential angle between the shaft device and the rotational device; and 3) accelerating the rotational device with an acceleration value that is derived from the target rotational speed difference, which is formed as a function of the detected differential angle, the acceleration and a desired target coupling angle. The invention also relates to an associated arrangement.