We have a vast number of application material online and now you can easily find the specific application notes, success stories, press releases, white papers, webinars and articles you are looking for. It’s simple. Just select the industry and/or the machine type you are interested in and you will get a listing of all documents that are filtered to those categories.

Application Note


A post-process Cepstrum analysis calculation can be performed on any standard FFT spectrum or envelope spectrum, and has a special place in the simplification of the analysis of vibrations created by machines such as gearboxes – which are mostly extremely difficult to analyse – or machines equipped with rolling-element bearings.

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This case story demonstrates how a newly purchased Vibroport 41 was used to analyze structural resonance and surge vibrations that previously had resulted in frequent impeller cracks and premature bearing failure of the compressor.

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Faulty rolling-element bearings can be detected before breakdown.

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Within the course of five years of using the Brüel & Kjær Vibro Type 2526 Data Collector, the Esfahan Petrochemical Company has saved an average of US$200000 per year in maintenance costs.

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B&K Vibro customised monitoring solutions that consider the application rather than the general monitoring approaches, based on in-depth knowledge about specific machinery elements influencing the machinery behaviour.

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Excessive bearing vibration was detected during commissioning of a 250 MW turbo-generator at the Huntly Power Station.

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On the main machine the Compass system monitors relative shaft position and motion on each of the 8 main bearings, the eccentricity of the 3 turbine shafts, the differential expansion of the 3 turbine shafts, the axial position of the shaft relative to the thrust bearing, and the pedestal vibration of each of the machine’s 12 bearings.

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Generator cooling pump of a nuclear power plant with Safety Monitor Module SM-610-A04 with two X and Y sensor pairs.

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The machine monitoring strategy for a gas turbine should take the potential failure mode of the machine design into account.

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The machine monitoring strategy is applicable to all types of large, horizontal centrifugal pumps with journal bearings.

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The machine monitoring strategy (Basic condition monitoring as well as the Advanced condition and performance monitoring) is applicable to all types of API 618 reciprocating compressors, lubricated and non-lubricated, piston ring sealing or labyrinth sealing, double acting or single acting.

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The machine monitoring strategy (Basic condition monitoring as well as the Advanced condition and performance monitoring) is applicable to all types of API 618 reciprocating compressors, lubricated and non-lubricated, piston ring sealing or labyrinth sealing, double acting or single acting.

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Unnecessary downtime and maintenance costs can be major factors that determine how competitive a plant is running in the petrochemical industry.

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An effective vibration measurement is available for automatic fault detection that is simple to set up and use, has good reproducibility, optimal resolution, and gives early, reliable warning for most machine faults.

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Costly air cooler failures and consequential downtime can be avoided by monitoring these machines with a simple yet effective predictive monitoring solution.

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Fully automatic, EEx compliant monitoring solution. Reciprocating compressors play a vital role in the petrochemical industry, such as in gas treating facilities, refineries and chemical plants.

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Gas turbines are some of the most reliable machines, but just a few percentage points drop in performance can result in annual production losses of millions.

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Envelope analysis has been used for many years for diagnosing rolling-element bearing defects, but there is still considerable confusion on how it works and how effective it is. This Application Note intends to clear up this misunderstanding.

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This application note demonstrates the importance of a systematic approach to the task of gearbox vibration analysis, in addition to the other essential requirements such a modern vibration analyser, specialised training on the part of the technician and having access to detailed information about the gearbox internal construction.

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It is an ongoing discussion whether it is possible to monitor case vibration with accelerometer sensors on low speed hydro turbines. In this case story a hydro power station customer has both accelerometers and displacement sensors installed on the 65 RPM turbine bearing, so the measurements can be compared.

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Reciprocating compressors are subject to considerably more downtime and maintenance costs than a comparable centrifugal compressor, but often have less monitoring.

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Land clearing along railroad tracks and roads is essential for transportation safety. Specialized tractors are often used for this purpose where a rotary mulcher head is mounted on a 9.5m reach crane on the tractor.

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The VIBROCONTROL 6000® Compact monitor is delivered to Andritz Hydro as an OEM product for monitoring their smaller hydro generating units.

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The machine monitoring strategy is applicable to all types of horizontal centrifugal pumps with rolling element bearings.

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The machine monitoring strategy is applicable to all types of horizontal and vertical centrifugal pumps.

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This machine monitoring strategy is applicable to all types of large centrifugal and axial compressors.

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When a hospital machine maintenance customer requested a demonstration of the Brüel & Kjær Vibro portable vibration analysing instrument, it was used to carry out measurements and to analyse and diagnose a faulty rolling-element bearing in an air-feed fan of an air-conditioning system.

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Gated vibration and rod position monitoring are some of the least intrusive monitoring installations of all monitoring techniques for detecting and diagnosing reciprocating compressor cylinder faults, and yet some of the most effective in terms of the number of potential failure modes that can be detected.

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The Brüel & Kjær Vibro COMPASS Classic system has been successfully used for protection and condition monitoring at the plant for over 15 years and now the time has come to consider upgrading the aging protection vibration monitoring system.

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Time, resources and planning for delivering rotating machinery can be saved by measuring and compensating for runout.

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The Companhia Vale do Rio Doce (CVRD) is one of the largest mining companies in the world and the main one for diversification of products.

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The maintenance department at the Ignalina nuclear power station has the responsibility to ensure the ageing power station equipment operates safely, reliably and cost-effectively to meet the rapidly growing energy demands of the country.

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The need for reliably detecting reciprocating compressor cylinder leaks is paramount as the cylinder, and more specifically the valves, account for the majority of the maintenance for these machines.

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The Arcelor Tilleur cold rolling mill has a 5-stand tandem mill that is prone to 3rd order chatter and a 4-stand tandem that is subject to 5th order chatter.

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The Brazilian power company CEMIG, with an installed capacity of over 5700 MW, has recognized the importance of machine condition monitoring for many years now. This paper focuses on the monitoring strategy and systems used at the various hydroelectric power stations and the results obtained, including some case stories.

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The 35-year old generating units at the Momina Klisura hydropower station in Bulgaria are primarily used for peaking. This Application Note discusses the challenges of implementing an integrated monitoring system that includes diverse monitoring techniques, and monitors these parameters for different operational conditions.

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Machine uptime and availability is of paramount importance for the Zarnowiec pumped storage hydroelectric power station, and this was one of the underlying reasons for installing a condition monitoring system with advanced vibration monitoring capability.

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The Borealis Porvoo polyolefin plant in Finland has installed a comprehensive plant-wide condition monitoring system to ensure optimal production with minimal maintenance costs for their aging critical machinery.

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Since the Brazilian olefin plant Copesul was privatised in 1992, it has embarked on expanding production at the same time as modernizing its processes. To remain competitive, however, great demands have been placed on maintenance and machine condition monitoring.

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Condition monitoring is an important part of the Rozenburg preventative maintenance policy and has led to conservatively estimated cost savings of over US$500000 per year.

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The monitoring purpose for their section is: • To extend the time between overhauls for bearings and gears • To ensure precision machining is not affected by vibrations • To trouble-shoot and diagnose specific machine problems. The Brüel & Kjær Vibro off-line monitoring system fulfilled the requirements for the job, so all the engine manufacturing facilities and the foundry (with the exception of the J engine group) are now using the system.

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High vibration in the huge, newly commissioned propeller pump raised suspicions that it will have to be disassembled again to investigate the cause. The Brüel & Kjær Vibro diagnostic specialist quickly found out that the problem was in the control system, not the pump.

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The machine monitoring strategy described in this document is applicable for all types of direct-drive jet fans with rolling element bearings.

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Decanter centrifuges are used extensively in many different industries throughout the world for separating solids and liquids. Brüel & Kjær Vibro’s portfolio of condition monitoring solutions includes the equipment, application software and expertise required for the implementation of a condition monitoring solution for decanter centrifuges.

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This case study shows how early detection of slip ring defects could result in a fast, inexpensive repair. If, on the other hand the slip ring fault is not corrected at an early stage of development, this could lead to a catastrophic failure where the generator is destroyed.

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The current wind turbine coupling design uses a flexible composite disc or a flexible disc pack linkage that is connected to both ends of a fiberglass tube. These ends allow slight misalignment between the shafts, which can occur when the drivetrain flexes under load. An example of one such coupling defect is presented in this case study.

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Article, Uptime


In operation for over 2 years, this article gives an insight into the machine condition monitoring strategy at the plant and how it was implemented.

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The two caes stories from the Porvoo low density polyethylene plant demonstrate the importance of online condition monitoring of the LDPE reactor mixer.

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Brüel and Kjær Vibro have been awarded a project to monitor 142 wind turbines at Enel Green Power (EGP) in Italy.

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Compass 6000 was selected by the national oil company Petroleum Development of Oman (PDO) to monitor gas-lift compressors and other enhanced oil recovery systems at various oil production sites in Oman in light of the declining reserves.

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Two case studies demonstrate how an effective remote condition monitoring strategy avoids uneconomical operation, costly downtime and consequential damage of wind turbines.

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EDP Renewables North America (EDPR NA) has selected Brüel & Kjær Vibro to supply condition monitoring systems and monitoring for seven US wind farms.

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The two articles demonstrate the kind of vibration measurements that are used for evaluating a typical machine train (a completely assembled unit) prior to shipment to site.

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Brochure


Compass 6000 Condition Monitoring System

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Brüel & Kjær Vibro is keenly aware of the challenges in the oil and gas industry and has a long history in successfully providing safety, condition and performance monitoring solutions for the critical and balance-of-plant machines.

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Wind Turbine Condition Monitoring

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Compass 6000 Condition Monitoring System

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Dedicated Remote Condition Monitoring System for the Wind Power Industry

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Press Release


Brüel & Kjær Vibro sets new standards in machine monitoring applications with the launch of a new generation of ECDS systems: Series ds821 and series ds822 ATEX

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Customers, business partners and employees were recently invited to the Brüel & Kjær Vibro headquarters in Denmark to celebrate the sale of the 5,000th wind turbine monitoring system

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VibroSuite is the newest member of a long list of condition monitoring products designed by Brüel & Kjær Vibro for the wind turbine market

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The more than 1,200 systems already installed on wind turbines in the US will now be serviced by the Houston Service Centre

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Brüel & Kjær Vibro has opened new headquarters for its Middle East and India operations in Dubai, UAE

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A new Surveillance and Diagnostic Service Centre was established in Houston, Texas (USA) to ensure 24/7 operations

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VIBROTEST 80 is the newest vibration measurement handheld from Brüel & Kjær Vibro. The VIBROTEST 80 is a compact version of the VIBROPORT 80 handheld, with the same data collection, analysis and balancing functionality but with a smaller screen.

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EDP Renewables North America (EDPR NA) has selected Brüel & Kjær Vibro to supply condition monitoring systems and monitoring services for seven US wind farms

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Brüel & Kjær Vibro has been selected for the retrofit installation and monitoring of 25 wind turbines (50 MW) at the San Marcos Wind Farm, which are currently in the process of being erected onsite

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VIBROTEST 80 and VIBROPORT 80 machine condition monitoring portables are Brüel & Kjær Vibro’s Allrounders for machine diagnosis, field balancing and data collection

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Capstone Infrastructure Corporation has awarded a retrofitting contract for its Erie Shores Wind Farm to Brüel & Kjær Vibro

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A complete retrofit Condition Monitoring Solution (CMS) for wind turbines without the financial burden of upfront capital investment

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16 pairs of pumps plus motors are monitored bye one Safety Monitor module SM-610-A04.

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Two vibration diagnosticians from the Brüel & Kjær Vibro Surveillance and Diagnostic Service Center in Denmark, together with two co-authors from the Technical University of Denmark, are presenting a paper at the American Wind Energy Association (AWEA) Windpower 2015 conference in Orlando, Florida (USA)

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Yet another important milestone has been met in Brüel & Kjær Vibro’s extensive wind turbine monitoring solution business

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Colbún has awarded a contract to Brüel & Kjær Vibro for retrofitting four cascade hydropower stations on the Aconcagua river basin for protection and condition monitoring

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Brüel & Kjær Vibro portfolio will become part of ENMO’s business, being the Sales and Service & Support Center for Brüel & Kjær Sound & Vibration in The Netherlands, Belgium and Luxembourg

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The Slovenian power company DEM (Dravske elektrarne Maribor) has awarded a contract to Brüel & Kjær Vibro for the retrofit of the two hydro-generating units at the Formin plant for machine protection and condition monitoring

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There is no doubt that a condition monitoring solution optimized for a particular application can help reduce life cycle costs of operating and maintaining machines and maximize production

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Reynir Hilmisson, diagnostic specialist from Brüel & Kjær Vibro’s Surveillance and Diagnostic Service Center in Denmark, will be presenting a poster on the “evaluation of bearing rotational looseness” at the AWEA Windpower Conference and Exhibition

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Brüel & Kjær Vibro has been awarded a contract for supplying a turnkey condition monitoring and machine protection solution to the polyethylene production site of a major integrated olefin and polyolefin plant in Northern Asia

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The Danish engineering and contracting company Aalborg Energie Technik (AET) has selected a Brüel & Kjær Vibro online condition monitoring solution for machine condition monitoring of the 40MW Tilbury Green Power biomass power plant in the London area

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The Danish engineering and contracting company Aalborg Energie Technik (AET) has selected a Brüel & Kjær Vibro online condition monitoring solution for machine condition monitoring of the 40MW Tilbury Green Power biomass power plant in the London area

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Brüel & Kjær Vibro is pleased to announce that Roderik Wiedemeier has been named President and Managing Director effective 16 September 2016

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Brüel & Kjær Vibro has been awarded a major contract to upgrade the legacy data acquisition units and condition monitoring software for all trains at a major African LNG plant

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This significant achievement is a direct result from a successful condition monitoring solution that includes our renowned diagnostic services, the best-in-class in the wind power industry

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Brüel & Kjær Vibro today announces that it has completed the acquisition of US-based vibration technology platform Setpoint.

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Brüel & Kjær Vibro’s wind turbine monitoring system has just been successfully upgraded to fulfill the rigorous requirements of the North American Electric Reliability Corporation (NERC) for cyber security of the North American electric utilities.

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Success Story


Brüel & Kjær Vibro is selected for monitoring the gas reinjection and steam injection compressor trains to ensure uptime and optimize efficiency.

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This case story demonstrates the importance of online condition monitoring of the LDPE reactor mixer.

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Enel, a leading European wind turbine operator and owner, selected Brüel & Kjær Vibro to monitor four wind parks and provide comprehensive monitoring and diagnostic services.

Download [137 KB]


Two case studies demonstrate how an effective remote condition monitoring strategy avoids uneconomical operation, costly downtime and consequential damage of wind turbines.

Download [120 KB]


Compass 6000™ was selected for monitoring this state-of-the-art plant when it was commissioned in 2010.

Download [168 KB]


EDP Renewables North America (EDPR NA) has selected Brüel & Kjær Vibro to supply and retrofit the installation of condition monitoring systems and monitoring services for seven US wind farms.

Download [112 KB]


Protective and health monitoring are important for the air-cooled heat exchanger (also called fin-fan or simply air cooler). Compass 6000™ offers an effective solution by employing specialized measurements under different operating conditions.

Download [295 KB]


Compass 6000™ is a plant-wide monitoring system with advanced diagnostic functionality that is well suited to string testing.

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Brüel & Kjær Vibro’s Compass 6000™ played a critical role in monitoring the clearance and facilitating maintenance planning.

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With the help of Brüel & Kjær Vibro’s Compass 6000™ condition monitoring system, the minimum load limits were re-evaluated, re-defined and the cavitation disappeared.

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Bearing creep, or also called rotational looseness, refers to rolling-element bearing inner race looseness on the shaft (this case study) or outer race looseness on the bearing housing.

Download [286 KB]


Nacelle monitoring in a wind turbine, using accelerometers mounted on the nacelle frame, is an essential part of a holistic condition monitoring approach for wind turbines.

Download [230 KB]


This case story demonstrates how an effective remote condition monitoring strategy avoided costly downtime and consequential damage.

Download [276 KB]

Whitepaper


A project of TU Vienna supported by Brüel & Kjær Vibro

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