An analysis of the use of electrical power measurements for process control in large‐scale stirred vessels | Zendy

Hjorth Sven | Zendy; Karlsson Lennart | Zendy; Friberg Paal | Zendy; Boon Lotte | Zendy

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An analysis of the use of electrical power measurements for process control in large‐scale stirred vessels

Author(s) -

Hjorth Sven,

Karlsson Lennart,

Friberg Paal,

Boon Lotte

Publication year - 2000

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450780613

Subject(s) - agitator , electric power , power (physics) , calibration , process (computing) , scale (ratio) , electric motor , automotive engineering , mechanical engineering , engineering , materials science , electrical engineering , computer science , mathematics , physics , statistics , quantum mechanics , impeller , operating system

The mechanical power that is transferred to a liquid via the shaft of an agitator is obtained from a measurement of the electrical power flowing into the electric motor within an accuracy of less than 5%. The accuracy obtained is limited by the calibration procedure. As the implementation of an electric power measurement is both simple and comparatively inexpensive, the technique is suitable for a continuous monitoring of the power used by agitators in the process industries.

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