One of the most interesting synthetic base fluids is phosphate esters. Regular fluid sampling and analysis is the best way to make sure the ehc fluid is within acceptable limits for particulate count, water content and acidity. A smarter approach to drastically reduce production losses. This document is applicable to triaryl phosphate ester fluids and might not be suitable in all regards to other fluid. Their core competency is the understanding of oxidative stress and the monitoring of antioxidants. Ken brown was the principle investigator for three epri reports on these fluids including the electrohydraulic control ehc fluid maintenance guide. Fluid analysis online customer tools gregory poole. Benefits of ftir oil analysis machinery lubrication india. Epts ehc fluid maintenance programs combine bestinclass technology with worldclass. Freefem is a free and opensource parallel fea software for multiphysics. Fluid filtration conditioning systems thermax power.
Compared to spreadsheet based calculations, fluidflow allows us to more quickly develop complex fluid networks from concept to detailed design. Testoil offers an ehc fluid analysis test package that provides a detailed analysis of the health of your ehc fluid. Their mission is to be the world leader in data collection, analysis, and mitigation of these. Developed in the laboratory of bernd bodenmiller at the university of zurich, histocat includes. Testoils proprietary filter debris analysis fda is a repeatable, automated filter washing and analysis process that identifies the. Despite the excellent lubricating and safety properties of phosphate ester lubricants, many turbine and electrohydraulic control ehc. The anaerobic bioremediation processes and abiotic dechlorination reactions promoted by ehc. Testoils proprietary filter debris analysis fda is a repeatable, automated filter washing and analysis process that identifies the metallurgy of the wearing components. Autodesk cfd computational fluid dynamics simulation. A rugged yet affordable solution for small filtration systems or portable filter carts. By recording the ftir spectrum of the suspected blend along with the known new oil reference spectra of the pure polyalphaolefin and pure ehc fluid, this accidental mixing can be confirmed.
Technical paper summary electrohydraulic control ehc. Our root cause analysis is typically focused on fluid failure or machinery failure. Services oil analysis turbine oil analysis varnish potential analysis, ehc fluid analysis. But serious cfd, the kind that provides insights to help you optimize your designs, can be out of reach unless you choose your software carefully. Site a featured a oiling water reactor with a generating capacity of 680 mw. Phosphate ester fluid solutions ehc system proactive. Qualitative analysis becomes easy because of this fact. Fluids computational fluid dynamics computational fluid dynamics cfd is a tool with amazing flexibility, accuracy and breadth of application. To get serious cfd results, you need serious software. It is the product of choice for the electrohydraulic control ehc system in steam turbines for. Having oil analysis done on a regular basis establishes a baseline of normal wear and can help indicate when abnormal wear or contamination is occurring. Ehc fluid analysis report steam turbine hydraulic machine type. Managing the health of fire resistant steam turbine electrohydraulic ehc control oils ken brown, utility service associates the importance of fluid health is never more apparent than on an electrohydraulic control ehc.
The figure below shows the ftir spectrum of a blend of a polyalphaolefinbased synthetic oil and a phosphate ester electrohydraulic control ehc fluid. The donaldson portable fluid analysis kit allows you to conduct immediate onsite particulate analysis in as little as ten minutes. Developing and implementing a preventative maintenance program is an. We have developed custom reports for varnish potential analysis, ehc fluid analysis, turbine lube analysis, filter debris analysis, and routine oil analysis. Fluitec examines the causeeffect relationship between stresses on a machine and the fluid contained within. Hours water % c g c g water content 41015 974482 ehc fluids we are pleased to provide you with our information package on electrohydraulic control ehc fluid maintenance.
An innovative, opensource solution for analyzing and visualizing data, the singular analysis toolset offers powerful. Ehc fluid issues, implications, and for improvement. We dont pigeon hole you with a one report fits all mentality. Phosphate ester fluid testing, maintenance challenges, and. Cleveland march 17, 2020 testoil, the industry leader in lubricant analysis, offers comprehensive condition monitoring services for wind turbines. Regular fluid sampling and analysis is the best way to make sure the ehc fluid is. Leveraging computational fluid dynamics cfd provide users with the ability to simulate the products performance under a wide array of operating conditions. Our fluid flow experts would like to talk with you to learn about your specific products and the challenges you would like help with. Although mainframes were used to figure out fairly advanced twodimensional fluid flow models, full 3d analysis did not arrive until the 1970s.
This system can provide treatment by utilizing hilcos selexsorb, fullers earth, activated alumina, or ion exchange cartridges. Comprehensive test list testoiltestoil oil analysis. Fluid analysis software free download fluid analysis top. Ept power technology energy news and market analysis. This document is applicable to triaryl phosphate ester fluids and might not be suitable in all regards to other fluid types. The ehc high pressure hydraulic system provides accurate steam valve control, overspeed protection, and safety against fires through the use of a synthetic phosphate ester fluid as a working medium. If your acid control filters fullers earth are migrating this can cause servo issues. Phosphate ester fluid testing, maintenance challenges, and solutions in ehc systems. Phosphate ester fluid solutions ehc system transforming ehc fluid maintenance in four simple steps. Spectroscopic analysis ppm astm d5185 mod lab no date viscosity centistokes astm d 445 mod acid number mg kohg d974 mod. Same day oil analysis, oil testing and filter analysis of debris. While these routine test methods are useful for ehc fluid condition monitoring, they fail to detect some contaminants associated with failures in this application. Fyrquel ehc fluid dr hydraulic system 04112015 general electric 270t795pr20 problems no problems found with current sample.
Sitemap services oil analysis turbine oil analysis filter debris analysis materials identification analysis lubricant compatibility analysis trustplus datasight. This value was lowered in ehc fluid specifications, gek 46357a, page 4, january. When a software algorithm is used to plot the resulting spectrum, a visual representation is generated. Who knows we just might be able to help you with your hardest problems. Training classes can be hosted at your facility or a location of your choice. As a starting point, epts comprehensive fluid analysis enables us to identify priorities and recommend a course of action. The ph acidity of the fluid is also a critical parameter, if the ph is not within specification this can lead to advanced degradation of the fluid and ehc system components.
Oil analysis is a proactive way to help keep your machines health in check by making. Aba treatment, therefore, masks the pe fluid s true resistivity. General information what are phosphate esters phosphate ester fluid types ehc fluid technical data definitions and acronyms ehc fluid and elastomer compatibility explain fire resistance tests eco general electric. The top 5 problems with ehc fluids fluitec international. Fluid analysis software free download fluid analysis. Testoils onsite oil analysis training is ideal for employers looking to get training for large groups. Degradation of phosphate ester hydraulic fluid in power station. Since the mid 1960s turbine hydraulic fluid systems have been using fire resistant fluid frf to control their turbine inlet valves.
Ept varnish removal products for turbine and compressor lubricants and ehc fluids. Fyrquel ehc or 220, pyroguard are used extensively in critical systems where fireresistance is a requirement. An onsite independent fluid analysis representative who will be taking fluid samples and analyzing the fluid throughout the flush. Fluid analysis is a snapshot of what is happening inside your equipment. Ehc systems typically use phosphate ester fireresistant fluids, which require specialized testing and maintenance. We are an oil analysis laboratory that specializes in mining, plants, mobile and non mobile equipment, and many more types of industries we preform the following tests. Portable fluid analysis kit our portable oil analysis equipment allows you to conduct immediate onsite particulate analysis in as little as ten minutes. But serious cfd, the kind that provides insights to help you optimize your designs, can be out of reach unless you choose your software. Despite the excellent lubricating and safety properties of phosphate ester lubricants, many turbine and electrohydraulic control ehc users struggle with their maintenance. Filter debris analysis provides advanced notice of impending wear problems. The internal filtering system is not capable of maintaining. If you dont find what you are looking for please contact us. This site search is a quick and easy way for you to find information on our website. A turbine ehc system electrohydraulic control system consists of the high pressure hydraulic system and trip system that are used to position the steam valves on a steam turbine.
Phosphate ester hydraulic fluid conditionmonitoring. All but one oem require phosphate ester fluids to be used in these applications because they are selfextinguishing and are inherently safer than other fluid chemistries. Computational fluid dynamics cfd is a computer analysis tool that allows designers to evaluate the performance of an air distribution system before construction begins. Autodesk is one of the worlds most innovative companies, working to solve some of the worlds most complex design solutions. Testoil has written work instructions for all testing procedures represented in the comprehensive test list below. Ehc fluid analysis power plants that expect to achieve low forced outage rates and high availability should pay close attention to the fluid quality in the ehc systems. Hilco ehc fluid conditioning system the ehc fluid conditioning system is a rugged yet affordable solution for small filtration systems or portable filter carts. Ansys fluent software contains the broad physical modeling capabilities needed to model flow, turbulence, heat transfer, and reactions for industrial applicationsranging from air flow over an. Fluid analysis software free download fluid analysis top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Tafefu flow control valve mixing phosphate ester ehc fluids seven steps for care and feeding of ehc. Compare design alternatives, and better understand the implications of. Jan 01, 2008 the companys expertise in the power industry has led to its varnish potential report, ehc fluid report and turbine analysis report. It is a cost effective way to training several employees at one time, avoiding travel costs and extra time away from work. Portable hydraulic oil analysis donaldson hydraulics.
Fluid flow analysis software free download fluid flow. Ehc fluid quality related failures and their resulting production losses can be virtually eliminated through epts industry leading fluid maintenance and testing program which is the result of 20 years of specialization in the ehc fluid. Insight services is in the process of developing technology in filter debris analysis. Managing the health of fire resistant steam turbine. Safety data sheet american chemical technologies, inc.
Work instructions are controlled documents, and only the current. Fluid flow analysis software free download fluid flow analysis top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Jan 28, 2016 hydraulic oils used in steam turbine electrohydraulic control systems ehc are required to be fire resistant. As an exam item analysis is performed on all multiplechoice question examinations, an analysis is performed on all practical examinations, and a similar analysis is performed on short answer and essay examination questions, students are not permitted to challenge examination items for grade change, examination grades, or course grades. Fire resistant phosphate ester ehc fluid by eco fluid center ltd. It makes it harder to differentiate quality, consistent results.
Common issues that significantly impair asset reliability, and increase fluid maintenance. It is an improved next generation modern phosphate ester turbine control or ehc fluid. Safety data sheet this sds conforms to the ghs, iso 110141, and ansi z400. The ehc fluid conditioning system is a rugged yet affordable solution for small filtration systems or portable filter carts. Ehc oil and filter analysis helps you run more efficiently ehc systems are critical pieces of equipment that need to be analyzed like any other system. Phosphate ester fluid maintenance proactive strategic. Our fluid analysis lab services provide information about a problem and help determine the best course of action. Hydraulic oil systems fluid analysis donaldson hydraulics. Hydraulic oils used in steam turbine electrohydraulic control systems ehc are required to be fire resistant. These systems include all of the control devices and instrumentation that interfaces to the turbine control system tcs.
Ehc fluid quality related failures and their resulting production losses can be virtually eliminated through epts industry leading fluid. All of which should be integral to your overall fluid analysis program. Transforming ehc fluid maintenance in four simple steps. However they do present a fair amount of challenges. The reports from all the labs look similar and the results are similar. Steam turbines are equipped with electrohydraulic control ehc systems that face unique fluid challenges due to the use of synthetic, predominantly phosphate esterbased, hydraulic fluids. The filter removes as much as 95% of the wear debris from the oil. Many of our customers view oil analysis as a commodity service. Fire resistant phosphate ester ehc fluid by eco fluid center.
In this package we provide a white paper overview of phosphate ester fluid maintenance issues and solutions. List of finite element software packages wikipedia. These fluids are not your typical hydraulic oil and require a different mindset to monitor and maintain in an. Pipe flow expert is our premier software program for piping design and pipe system modeling. In this package we provide a white paper overview of phosphate. Electrohydraulic control systems ehc millions of dollars and thousands of downtime hours are wasted each year by power plants, military and industrial users on unnecessary and illadvised phosphateester fluid maintenance. This is a list of software packages that implement the finite element method for solving partial differential equations. Ehc fluid analysis testoil offers an ehc fluid analysis test package that provides a detailed analysis of the health of your ehc fluid steam turbines are equipped with electrohydraulic control ehc systems that face unique fluid challenges due to the use of synthetic, predominantly phosphate esterbased, hydraulic fluids. There are many types of ester based fluids and several are widely as used as lubricants, as hydraulic fluids andor as lubricant additives.
Testing your ehc oil on a quarterly basis will help you identify if you are forming. Eco fluid center does not sell ehc fluids but has considerable experience in their application. May 16, 2018 the histocat software is an innovative computational imaging mass cytometry analysis toolbox that enables comprehensive analysis of cellular phenotypes and their interrelationships within the spatial context of the tissue microenvironment. Development of computational fluid dynamics software for. Find out why these tests should be part of your oil analysis program. Fluid is ehc applicable since it is not consumed in use and is available for collection and recycling. Curing ehc contamination problems power engineering.
However, such a test program is expensive and time consuming and cannot. Pipe flow expert software used by engineers in over 100 countries worldwide. It is a known fact that low fluid resistivity adversely affects. Computational fluid dynamics cfd is a tool with amazing flexibility, accuracy and breadth of application. What we do since 1990, we have led the effort to make our customers more efficient in creating less down time, maximizing oil life and providing the best customer service in the industry. Donaldsons hydraulic oil testing program is designed to monitor component wear, contamination and fluid condition. Following is a summary of the costs associated with a fluid changeout.