Method and apparatus for noninteracting control of a dynamic com

Details Method and apparatus for noninteracting control of a dynamic com Method and apparatus for noninteracting control of a dynamic com

1977-05-04

1978-07-25

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

Single motor control element responsive to means sensing...

417 20, 417 22, 417 23, 417 26, 417 32, 417 47, F04B 4900

Patent

active

041026047

ABSTRACT:
A control system is disclosed for a noninteracting control and protection of a dynamic compressor having rotating vanes.
The method consists of a junction of a few control circuits for controlling the performance of a dynamic compressor, for protecting compressor from approaching dangerous zones of operation, and for maintaining a required mass flow rate of a gas through the compressor.
An automatic control system based on using the above method is distinguished by its simplicity, great transient and steady state precision and high reliability of surge protection.

REFERENCES:
patent: 2871671 (1959-02-01), Bartloff, Jr. et al.
patent: 3068796 (1962-12-01), Pfluger et al.
patent: 3994623 (1976-11-01), Rutshtein et al.

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