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Control system for a compressor, synthesis plant and control method

A technology for control systems and rotary compressors, applied in general control systems, control/regulation systems, mechanical equipment, etc., can solve problems affecting components, etc.

Active Publication Date: 2019-03-15
NUOVO PIGNONE TECH SRL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the plant is designed to maintain the composition of the gas mixture constant, one or more of these units may adversely affect the composition under certain operating conditions

Method used

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  • Control system for a compressor, synthesis plant and control method
  • Control system for a compressor, synthesis plant and control method
  • Control system for a compressor, synthesis plant and control method

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Embodiment Construction

[0042] The following description of the exemplary embodiments refers to the accompanying drawings.

[0043] The following description does not limit the invention. Rather, the scope of the invention is defined by the appended claims.

[0044]Reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the disclosed subject matter. Thus, appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. In addition, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0045] In the following, embodiments of the subject matter disclosed in this invention will be described by means of block diagrams consisting of blocks connected by lines ente...

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Abstract

The invention discloses a control system for a compressor, a synthesis plant and a control method. Control system arranged for a rotary compressor driven by a rotary engine, and includes: a first control subsystem, a second control subsystem and a selector; the first control subsystem is arranged to provide a first control signal as a function of the performance and the speed of the compressor; the second control subsystem is arranged to provide a second control signal as a function of the performance of the compressor; the selector is arranged to select the first control signal or the secondcontrol signal as a third control signal to be provided to a power control input of the engine.

Description

technical field [0001] Embodiments of the subject matter disclosed in this invention correspond to a control system, synthesis apparatus, and control method for a rotary compressor driven by a rotary engine. Background technique [0002] Trains comprising compressors driven by engines are very common, especially in the "oil and gas" field. [0003] A typical control system for such a plant, such as the accompanying figure 1 In the system 100 shown in , the load demand 103 is determined (box 102) based on the (sensed) suction pressure 101 of the compressor, then the speed setpoint 105 is determined (box 104) based on the previously determined load demand 103, and finally A control signal 108 is determined (block 106 ) based on the previously determined speed set point 105 and the (detected) rotational speed 107 of the compressor; the control signal 108 so determined is fed to the control input of the engine. This type of control system is disclosed, for example, in US Paten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C28/08F04C28/28F04C29/00
CPCF04C28/08F04C28/28F04C29/00F04D27/0261F05D2270/3011G05B11/42Y02B30/70G05B13/041F02C9/28F01D21/003G05B13/04G05D16/2066F01D15/08F04D25/04F04D27/001F04D27/004
Inventor M·卡洛西A·西诺里尼M·帕斯奎蒂P·G·莫斯卡特利M·里泽利M·佩莱拉
Owner NUOVO PIGNONE TECH SRL