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Title: Troubleshooting Regulators : Causes And Cure S Of Regulator Instability
Author: Paul R. Anderson
Source: 2017 Western Gas Measurement Short Course
Year Published: 2017
Abstract: This paper will address the gas pressure reducing regulator installation and the issue of erratic control of the downstream pressure. A gas pressure reducing regulators job is to manipulate flow in order to control pressure. When the downstream pressure is not properly controlled, the term unstable control is applied. Figure 1 is a list of other terms used for various forms of downstream pressure instability. This paper will not address the mathematical methods of describing the automatic control sys tem of the pressure reducing station, but will deal with more of the components and their e ffect on the system stability




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