Nuovo Pignone Srl

Nuovo Pignone Tecnologie Srl

Andrea Alfani

Antonio Pelagotti

Annunzio Lazzari

Oriano Zucchi

A method for starting and operating a plant for the liquefaction of a gaseous product comprising the steps of electrically connecting a variable frequency drive to a motor of a first machine string; increasing the speed of the motor of the first machine string up until a first predefined threshold; electrically disconnecting the variable frequency drive from the motor of the first machine string; electrically connecting the variable frequency drive to a motor of a second machine string; the first predefined threshold is function of said frequency of the power supply grid. The variable frequency drive can be switched during operation of the plant among the strings according to process requirements.

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Florence, Italy

Andrea Alfani