MS106 An article featuring Compressor Controls Corporation's Guardian® Overspeed Protection (OSP) system recently appeared in the January 2002 issue of Hydrocarbon Processing. The article, Consider Overspeed Protection Retrofits, was written by Heinz P. Bloch. Mr. Bloch, a renowned authority in the
turbomachinery control field and Hydrocarbon Processing's Reliability/Equipment Editor, advises process and power plants worldwide on reliability improvement and maintenance cost reduction. CCC's Guardian helps keep turbomachinery running at peak capacity. The OSP system offers users the security and dependability of a two-out-of-three voting system with the flexibility and ease of a do-it-your-self installation and configuration. The full text of the article is posted as a pdf file below.
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MS113 Risk analysis of processes associated with turbomachinery will often result in the identification of hazards that must be guarded against by using a Safety Instrumented System (SIS). Optimum design of an SIS can prove to be an elusive goal, and many such systems are overdesigned. Improved basic
process control can reduce the Safety Integrity Level (SIL) requirements of an SIS by decreasing the likelihood that an initiating event will occur or result in a hazardous condition. The paper was presented in May 2002 at the ISA Seminar "Safety Instrumented Systems for the Process Industry."
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MS114 The primary design objective for any turbomachinery control system should be to maintain or maximize machine and associated process reliability. With this assurance firmly in place, attention can then be turned to maximizing machine and process efficiency. This paper takes a broad brush to the general functional areas of concern and offers some insight to proven techniques and solutions offered by Compressor Controls Corporation (CCC.) Many process control professionals begin with the notion that process reliability is tantamount to machine reliability goals such as compressor antisurge control, load limiting, high and low pressure limiting, overspeed prevention, etc. This notion is quickly lost however when, for example, a compressor surge incident causes a machine trip bringing down the associated process.
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MS115 As a result of a new control system implemented by Compressor Controls Corporation, the P-18 Compression System of Petrobras (Brazil) now reaches the production objectives of separating oil and gas without compromising antisurge protection of two three-stage turbocompressor units. The article
about the CCC and Petrobras cooperation was featured in the May 2002 issue of Petro & Quimica, a Brazilian trade magazine. Please read the article (translated into English) below.
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MS116 Compressor Controls Corporation's Parametric Diagnostic Subsystem (PDS) was featured in the April/May 2002 issue of the Russian magazine Gas Turbine Technologies. The article, "Parametric Diagnostics Subsystem for Gas Turbine Driven Compressors and Auxiliary Equipment," details the features and benefits of the system and highlights its successful installation at OAO Gazprom's
compressor station "Ordinskaya." The PDS is part of CCC's Automatic Control System (ACS) and is an essential tool for analyzing the current state of operation, and forecasting possible changes in turbomachinery equipment. The system is highly adaptable to any type of gas turbine driven compressor.
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MS117 At a gas processing plant, real time simulation was used to analyze the design of a surge protection scheme for a natural gas compressor, after questions arose over the system's effectivenes in the event of an emergency shutdown. The article posted below is discussing the advantages of the real time high fidelity simulation. The article was originally published in the Summer 2003 issue of the
Petroleum Technology Quarterly (PTQ).
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MS123 Operating pumps in parallel is not without risk. Parallel operation takes on added importance whenever high-pressure pumps are involved. In fact, some users have serious pump failures on their first installation with perhaps only two pumps operating in parallel. Indeed, some users actually expect problems controlling parallel operation of multiple pumps. This is where centrifugal compressor control strategies and related know-how should come into play. For many years, competent manufacturers and providers of surge abatement devices have implemented these strategies with great success in compressors. The pump projects recently analyzed by at least one company lead to the conclusion that the related know-how can easily be applied to pumps and will resolve design challenges. The February 2005 issue of Hydrocarbon Processing Magazine featured an article authored by Saul Mirsky, CCC’s Senior Vice President of Technology. The article discusses the similarity in control techniques of compressors and pumps.
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MS131 The constraints in the Cracked Gas or Ethylene or Propylene compressors should not diminish your potential to increase plant production. Due to ever-increasing global demand for ethylene, the opportunity from increased production is greater than before. This is not the time for an Olefins plant to lose production from unplanned shutdowns or turbomachinery constraints. Let us show you how CCC successfully solved the unique challenge faced by other Ethylene producers. CCC offers a reliable, proven solution. CCC has developed and implemented an Innovative Olefins Production Throughput Increase & Maximization Control System (OPTIM) featuring:
• FAST ACTING adaptive constraint control response
• ADVANCED multivariable control techniques
• PURPOSE-BUILT hardware platform
• INTEGRATED Turbomachinery Control System
• Stringent CONTROL system DESIGN.
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MS133 Operating pumps in parallel is not without risk. Parallel operation takes on added importance whenever high-pressure pumps are involved. In fact, some users have serious pump failures on their first installation with perhaps only two pumps operating in parallel. Indeed, some users actually expect problems controlling parallel operation of multiple pumps. This is where centrifugal compressor control strategies and related know-how should come into play. For many years, competent manufacturers and providers of surge abatement devices have implemented these strategies with great success in compressors. The pump projects recently analyzed by at least one company lead to the conclusion that the related know-how can easily be applied to pumps and will resolve design challenges. The February 2005 issue of Hydrocarbon Processing Magazine featured an article authored by Saul Mirsky, CCC’s Senior Vice President of Technology. The article discusses the similarity in control techniques of compressors and pumps.
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MS134 Throughout the last several decades, development and improvement of turbine control technology has been marked by gradual replacement of hydraulic control components with more efficient electronic devices. For instance, hydraulic and hydro-mechanical devices for measuring turbine speed have given way to electromagnetic pickups, and hydro-mechanical governing system components have been progressively replaced with microprocessor controls. Control systems OEMs, system integrators, and end users have tried different technologies to eliminate the problems: rotation or intentional oscillation of pilot valves for better sensitivity, additional filters for better oil purification, separate lubrication oil and control oil systems, and hermetic and high-pressure control systems. However, these methods have proven either inefficient or costly to implement. Therefore, the idea of eliminating all governing hydraulic components attracted many developers. Indeed, the best way to solve the problem, in our case, is by eliminating the analog EHT.
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MSUKR Over the years, Compressor Controls Corporation (CCC) has accumulated vast experience in the design and installation of specialized control systems for blast furnace turbo air blowers in various steel mills worldwide. CCC control systems optimize the performance of turbomachinery that plays a crucial role in metal production, hence improving the overall plant’s efficiency. This is achieved by implementing CCC’s proprietary, proven control algorithms -– antisurge, load sharing, rotational speed control, over-speed protection, startup and shutdown sequencing, extraction control and valve management – in combination with other technological breakthroughs, such as the fully digital electric-to-hydraulic signal transducer (DEHT).
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MSDEHT Compressor Controls Corporation has overcome the limitations of the EHT-based control with the development of an innovative, fully digital steam turbine control. Instead of an analog electric-to-hydraulic transducer, this advanced, cost effective control system features digital electric-to-hydraulic transducer (DEHT). The DEHT-based system offers unparalleled advantages. The attached is a copy of the article, which has appeared in the June 2001 issue of P3 - Power Plant Products magazine. Reprinted by permission.
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