Condition monitoring techniques for electrical equipmenta literature. Effective machine condition monitoring is vital in todays competitive business world. Rules for classification and construction i ship technology. Condition monitoring electrical plant and equipment preventive predictive and proactive maintenance strategies for overall equipment efficiency oee rcfa fmea also called predictive maintenance uses nonintrusive techniques to judge the status of equipment or its parts performance. A power point presentation on condition monitoring of electrical rotating machines slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Condition monitoring sensor for electric vehicle motor and. Condition monitoring cm is the process of monitoring different parameters of conditions in automation systems, e.
Rotating electrical machine condition monitoring automation. Condition monitoring system condition monitoring system is a system used to detect the condition of a. If you continue browsing the site, you agree to the use of cookies on this website. Maintenance management of electrical equipment condition monitoring based the industries are forced to look for different types of maintenance of the electrical equipment rather than usual preventive maintenance being carried out at a fixed interval of time. Condition monitoring system an overview sciencedirect. The reader shall be familiar with the terminology and concept of abb mns low voltage switchgear. Today, improvements in technology are making it easier to gather, store and analyze data for cbm. Increases equipment availability time as decision for preventive maintenance is based analysis of data generated by condition monitoring, creating optimum production revenue and profit due to increasing equipment andor system availability time by avoiding unnecessary preventive maintenance shutdowns. In irtni process thermal monitoring within the electrical power system and abundant areas for diagnosing the fault occurring in the system, the device employed is infrared thermography. Skf electric motor condition monitoring emcm overview youtube. Condition monitoring techniques for electrical equipmenta. In this context, various online and offline condition monitoring and diagnostics, nondestructive inspection techniques and surveillance are used.
Condition monitoring applied proactively is a context embracing world class reliability maintenance concepts. Condition monitoring is the process of determining the condition of machinery while in operation. Mar 24, 2016 overview of electric motor condition monitoring solutions from skf. Preventative measures are well known and should be utilised at every instance.
Vibration, temprature etc in order to identify a significant change which is indicative of developing a fault. Condition monitoring refers to the process of monitoring a systems state in order to identify changes, which would indicate damage or an impeding failure. Fluke condition monitoring sensors, combined with software and other hardware devices, provide aroundtheclock machine measurements. Opc clients wimon data manager abb analyst gateway specifications wimon 100. What are condition monitoring and preventive maintenance. Maintenance management of electrical equipment condition. Pdf condition monitoring of electrical machines ants.
Fluke predictive maintenance is a conditiondriven preventive maintenance program. Successfully using this programme enables the repair of problem components prior to failure. Abstractincreasing interest has been seen in condition moni toring cm techniques for electrical equipment, mainly including transformer, generator, and. Basic condition monitoring instruments skf basic condition monitoring tools can be used to check a number of properties. The main function of condition monitoring is to provide this knowledge. This eu directive was supposed to have been adopted in the national legislation of the eu member states by the end of 2004. Condition checking is a subset of condition monitoring.
Integrated condition monitoring technologies ird balancing. In electrical equipment incipient faults are often characterized by variations in temperature, vibroacoustic signature, etc. A summary is provided of the causes of failure damage, ageing, and electrical deterioration and reduced cable life with the developing tools to predict and analyse such failures as part of a continuous process of monitoring the condition of the asset. Measuring machinery health by performance monitoring has the potential to give warning of a developing failure through the changing levels of a suitable parameter being measured, thereby indicating a change in condition of a component, machine or system. Abb ability condition monitoring for electrical systems cmes. Electric vehicle condition monitoring, electric motor condition monitoring, electric insulation condition monitoring, electric motor insulation. A conditionmonitoring task is a scheduled task used to detect the potential onset of a failure so that action can be taken to prevent such failure.
Rules for survey after construction part 7 or the abs. There are two main methods used for condition monitoring, and these are trend monitoring and condition checking. The proposed technique gives better segmentation results for all images than the standard grey scale approaches. Cbm introduces new maintenance techniques, which can be difficult to implement due to resistance within an organization. Online condition monitoring uses measurements taken while a. Overview of electric motor condition monitoring solutions from skf. In a condition monitoring system of live detection, the sensors for sampling are installed on the monitored equipment. Condition monitoring means the continuous evaluation of the health of plant and equipment. Through vibration condition monitoring machinery operation can be improved to an optimum level that can often exceed original equipment manufacturers specifications. Condition monitoring an overview sciencedirect topics. Condition monitoring as a reliability improvement strategy.
Operator should participate in daily machine checks 7. Smooth running process machinery buoys and maintains the worlds economy. Moreover, the international standard iso fdis 20958 dealing with condition monitoring and diagnostics of machine systems electrical signature analysis of threephase induction motors sets. The state of electrical equipment is judged by comparing the hot spot temperature and with reference temperature. Jan 10, 2016 condition monitoring of electrical equipment using thermal image processing abstract. A potential failure is an identifiable condition that indicates that a functional failure is either about to occur or is in the process of occurring. Condition monitoring and fault diagnosis of electrical.
Substation condition monitoring with equipment that is critical to the reliability of the grid, periodic visits and scheduled inspections may not be sufficient to assure asset health. Machine condition monitoring and fault diagnostics 25 5. Condition monitoring cm is a process of acquiring equipment health status and predicting the operational ability of a system in a given environment. Routebased periodic condition monitoring and webbased condition monitoring are also discussed. Condition monitoring of electrical machines abb machsense. And the ad converter, microcomputer, peripheral circuits, and so forth are concentrated in the corresponding portable devices for the analysis of the parameters acquired by sensors in order to judge the operation status of the. Condition monitoring of electrical cables using line resonance analysis lira paolo f. Fluid power systems oil analysis enables you to achieve the appropriate fluid cleanliness to keep equipment running and in line with statutory regulations. The compact spider80x is designed for machine condition monitoring. Introduction to condition monitoring of electrical systems. Vibration signature analysis vibration is a cyclic or pulsating motion of a machine or machine component from its point of rest 1. The wimon wireless condition monitoring system paves the way for new and improved strategies for the maintenance of electric motors and other rotating equipment.
The common premise of pdm is that the data gathered by regular monitoring is technically analysed. Tavner chief electrical engineer laurence, scott and electromotors ltd. Data is uploaded to the fluke connect cloud, where teams can easily access measurements on smart devices, such as mobile phones, tablets, or pcmac computers. In the presented work an experimental motor setup intended for current analysis is expanded to include a frequency converter and a cable model, simulating a 20 km long subsea. Condition monitoring of electrical equipment using thermal.
If the condition of the machines in use is not monitored in any way and the maintenance is forgotten, the resulting failures may pose a large economic and safety risk. Equipment condition monitoring by operating performance. This paper presents experimental work related to mcsa motor current signature analysis based condition monitoring of subsea electrical equipment using induction motors. For each of the parameters, a score and weight were defined, and guidelines were developed to assign them. Thus the key for the success of condition based maintenance is having an accurate means of condition assessment and fault diagnosis. The use of condition monitoring allows maintenance to be scheduled, or other actions to be taken to prevent. Maintenance management of electrical equipment condition monitoring based part 2 photo credit. Condition based maintenance allows preventive and corrective actions to be scheduled at the optimal time, thus reducing the total cost of ownership. Thermal disorder of electrical equipment, increasing the working time, loading inequality and increasing resistance or over current out from the bad conduct and. Audiences of this manual are service technicians and switchgear operators on site.
Condition monitoring techniques for electrical equipment. Condition based maintenance requires an investment in measuring equipment and staff upskilling so the initial costs of implementation can be high. As against preventive maintenance which is timebased. For maintenance of electrical equipment condition monitoring has become very important technology.
Condition monitoring and fault diagnosis of electrical equipment. Condition monitoring or, colloquially, cm is the process of monitoring a parameter of condition in machinery vibration, temperature etc. Products ranging from gasoline and chemicals to paper and steel are produced by continuous manufacturing processes. The different failure mechanisms of electrical machines and several monitoring techniques are analysed. Measures vibration, current, voltage to identify health condition of motor from point of rotor condition bearings installation power quality automated report generated by abb software engineer carries unit around plant to collect data4 to 6 motors a day abb machsenser remote condition monitoring system, will be launched in april 12.
Pdf condition monitoring of electrical machines researchgate. Preventive and predictive maintenance 700zb00102 45 5. Introduction condition monitoring cm is a process of monitoring a parameter of condition in machinery eg. Isaksson 3, rajeev thottappillil 1 id and nathaniel taylor 1 id 1 kthroyal institute of technology, 100 44 stockholm, sweden. Condition monitoring equipment condition monitoring equipment is any equipment used to carry out condition monitoring measurements. Condition monitoring of electrical assets using digital. In transformers and switchgear, electrical oil can indicate if a failure is iminent. Therefore, the thermal monitoring always plays a significant role for identifying incipient faults. In electrical equipment incipient faults are often characterized by variations in temperature. For such conditionbased maintenance to be possi ble, it is essential to have knowledge of the machine condition and its rate of change with time. Power transformers, power generators and large sized hv motors are well. Condition monitoring of electrical machines peter j.
Electrichybrid vehicle motors are especially susceptible to aging effects due to the high motor loads encountered in steep terrains, high payload and high ambient temperatures. Condition monitoring tools allow for instant condition assessment, predictive maintenance, and alarms helping to avoid major repair costs and collateral damage. The collection, storage, comparison, and evaluation of data taken from a machine to establish the running condition of that machine. Condition monitoring electrical plant and equipment preventive predictive and proactive maintenance strategies for overall equipment efficiency oee rcfa fmea. Condition monitoring system an overview sciencedirect topics. Abb ability condition monitoring for electical systems.
There are two approaches for temperature measurement. Oil analysis can form part of a condition monitoring contract or via eriks econnect using immersed sensors. The mcm800 integrates into the abb symphony plus or other distributed control systems dcs to monitor vibration, eccentricity, axial rotor position on any. Increasing interest has been seen in condition monitoring cm techniques for electrical equipment, mainly including transformer, generator, and induction motor in power plants, because cm has the potential to reduce operating costs, enhance the reliability of operation, and improve power supply and service to customers. Skf electric motor condition monitoring emcm overview. Excessive temperature rise leads to majority of failures in electrical equipment. Such controls can survive vibration, temperature extremes, electrical. Condition monitoring of subsea electrical equipment using. Condition monitoring of electrical assets using digital irt and ai. Condition based maintenance and its associated condition monitoring procedures are ideal for spinning plant because most of the vital. Component selection for condition based maintenance, parameter selection for monitoring condition, evaluation of condition monitoring results are issues influencing the effectiveness of condition based. It enables operators to identify and correct problems through repair and maintenance procedures before they cause equipment to fail. Literatures are accumulated on developing intelligent cm. The use of condition monitoring allows maintenance to be scheduled.
Song, condition monitoring techniques for electrical equipment a literature survey. Vibration condition monitoring helps reduce the possibility of catastrophic failures, increasing safety and machine performance. This document describes the software user interface, the required hardware and network communication. Condition monitoring is a form of predictive maintenance where continuous monitoring of the performance of machine or condition of the specific part is monitored which will affect the quality of the product. Structure, uses, issues, and types of maintenance, machine fault signature. Spider80x machine condition monitoring system crystal. Looseness of mechanical parts, vibration, temperature, pressure, wind speed, current, voltage e. Implementation strategies and tools for condition based. Also, ways in which online monitoring systems can contribute to equipment condition assessment were presented briefly. Furthermore, they are often used in critical duty drives where. Condition monitoring electrical plant and equipment. For all abb symphony plus, third party, remote, and standalone systems, the proper solution to fulfill your condition monitoring needs is the machinery condition monitoring module mcm800. Adequate equipment records and equipment histories 10.
Condition monitoring using operating equipment performance monitoring. Condition monitoring of induction motor with a case study, pravin p. In particular, cbm is highly effective where safety and reliability is the paramount concern such. Condition monitoring when used to drive reliability improvement offers diagnostics, information and data for root cause analysis and equipment redesign, along with verification of defect or design correction. Machine condition monitoring and fault diagnostics chris k. Also called predictive maintenance uses nonintrusive techniques to judge the status of equipment or its parts performance. Bently nevada, a baker hughes business, offers a plantwide, holistic suite of machine condition monitoring and protection hardware, software, and services that help you achieve the highest level of asset reliability possible all of which is backed up by our over 60 years of industryleading expertise and truly global support. The key to a successful condition monitoring programme includes. As already discussed in brief elsewhere in the paper, practice of online as well as offline condition monitoring has been adopted as a part of preventive maintenance and predictive maintenance in some of the critical electrical equipment.
Temperature speed visual sound electrical discharge curents vibration lubricant condition skf generalpurpose thermometer pen tmtp 200 accurate contact temperature measurement of general equipment. Condition monitoring is the process of monitoring a parameter of condition in machinery vibration, temperature, etc. Norwich, uk and james penman reader in electrical engineering university of aberdeen, uk research studies press ltd. Guidance notes on equipment condition monitoring techniques. Condition monitoring from eriks industrial services.
Each frontend features eight analog input channels and two channels that may be software selected as tachometer inputs for the analysis of rotating machinery. All machines, no matter how well they are designed, calculated or produced have the tendency to fail at some point of their existence. This document describes the communication and user interfaces of the mns digital edge gateway and condition monitoring. Continuous and periodic machine condition monitoring solutions are discussed. From an informed awareness and understanding of their equipment and processes operators are capable of using look, listen and feel skills to identify the warning signs of failure. Condition monitoring cm is a process of acquiring equipment health status and predicting the operational ability of a system in a given.
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