Department of energys federal energy management program femp. Chapter 9 electrical system maintenance general all electrical systems require periodic maintenance in addition to nonscheduled maintenance caused by unpredictable events such as storms, accidents, and equipment failure. Businesses operating in these sectors have a very high risk of exposure which predictive maintenance can help minimize. Stateoftheart predictive maintenance techniques indiana. The intent of periodic maintenance is to keep the system operating at an acceptable level of service to the public. Pdm uses conditionbased maintenance systems to detect fault sources well in advance of failure, making maintenance a. Electrical and mechanical equipment is subject to failure, at the worst. Predictive maintenance is surely one of the most talkedabout topics in maintenance and asset management. Power transformer maintenance includes periodic electrical testing of different parameters of the transformer, being common the periodic checking of some key magnitudes such. Predictive maintenance by electrical signature analysis to. Electric motor predictive and preventive maintenance guide abstract electric motor performance is vital to the reliable and efficient operation of power plants.
However, existing maintenance recommendations proposed by. The failure of one or more critical motors could cause lost capacity and excessive repair and maintenance cost. A full electrical pm is a complete look at the electrical system including. Regular predictive maintenance pdm on electrical systems lets maintenance teams detect and correct problems before they can shut down equipment or production lines or cause a safety incident. Construction and maintenance workers safety manual. Maintenance management of electrical equipment condition. Preventive, predictive and corrective maintenance presented by. The mission of femp is to facilitate the federal governments implementation of sound, cost. Electric motor predictive and preventive maintenance guide electric motor failure could result in lost capacity as well as excessive repair and maintenance costs. Historically, utility companies have utilized preventative maintenance tactics to maintain the electric grid reliability, which involves following a predetermined fixed schedule to regularly inspect and service assets. Predictive maintenance can be performed by almost anyone. Predictive maintenance for improved performance in oil and. While it might feel seem that basing your maintenance schedule and updates on past instances rather than when an update is needed would be most costly, it is just the.
Motors and drives predictive motor maintenance motor. Pdf predictive maintenance by electrical signature analysis. Eaton s site acceptance testing not only ensures the proper functioning of new or upgraded equipment, but provides baseline data for designing predictive maintenance programs. Heat is often an early symptom of equipment damage or malfunction, making it a key performance parameter monitored in predictive maintenance pdm programs. Aug 31, 2016 7 predictive maintenance techniques for boosting power equipment reliability email 2571 70 tweet according to the hartford steam boiler insurance company, businesses can expect a minimum of six hours of electrical distribution systeminduced business interruption per year. Strategies for a successful iot predictive maintenance program. Historically, vibration technology was the only means available to assess many mechanical failures in the field. This second edition of an introduction to predictive maintenance helps plant, process, maintenance and reliability managers and engineers to develop and implement a comprehensive maintenance management program, providing proven strategies for regularly monitoring critical process equipment and systems, predicting machine failures, and. There is a dial tone when we pick up the telephone and the lights turn on at the flick of a switch. Prescriptive maintenance looks to build upon predictive maintenance as pdm improved upon cbm and preventive maintenance.
Pdf the main objective of this chapter is to present a procedure to acquire and analyze electrical signals for condition monitoring of electrical. This is why electrical testing of motors is such a critical component of predictive maintenance. Guide for transformer maintenance guide for transformer maintenance. An introduction to predictive maintenance sciencedirect. When constructing or modifying an electrical system, it is critical to verify that it will perform in accordance with the design plans and specifications. Historically, utility companies have utilized preventative maintenance. To others, it is monitoring the infrared image of electrical switchgear, motors, and other electri cal. Predictive motor maintenance a primer on static, dynamic, and online motor testing abstract this paper presents current methods of electrical test and trend analysis of the operational health of electric motors in the context of. Electrical power improving reliability and ensuring.
Application of infrared thermography for predictive. Maintenance of electrical equipment based on the direct monitoring of the actual operating condition, regularly collecting measurements, efficiency, heat distribution and other indicators instead of depending on statistical or historical data is called predictive maintenance. Preventive maintenance, inspections and work orders are best handled using cmms software for the scheduling and recording of activity, results and notes. Standard for an electrical preventive maintenance epm. Part one of a predictive maintenance series predictive. Electric motor predictive and preventive maintenance guide. Implementing electrical preventive maintenance a guide for business and industry introduction. Some degree of mechanical or electrical aptitude based on the pdm technology being utilized.
Preventive maintenance, electrical preventive maintenance. Predictive motor maintenance a primer on static, dynamic, and online motor testing abstract this paper presents current methods of electrical test and trend analysis of the operational health of electric motors in. Spotting leaky gaskets and seals finding leaks in sealed vessels is a snap when using thermal imagers. Personnel performing any related works to this sow should be proven highly. Predictive maintenance has been shown to reduce maintenance costs by 1040%. Combinations of new and existing technology have changed the face of predictive maintenance. In order to find out where companies currently stand regarding predictive maintenance, and where they plan to be in the near future, we surveyed 280 companies in belgium, germany and the netherlands. Implementing electrical preventive maintenance a guide. Predictive maintenance part one of a predictive maintenance series predictive maintenance programs come in all shapes and sizes, depending on a facilitys size, equipment, regulations, and productivity goals.
Electrical construction and maintenance workers safety manual. Home technical articles regular motor maintenance to avoid failure and prolong its lifespan motor maintenance a well and carefully designed motor maintenance program, when correctly used, can be summed up as preventive maintenance, predictive. Electrical field services preventative maintenance. For more than a decade, predictive maintenance pdm has enabled facilities technicians to identify and solve problems before they.
Electrical systems and the components are one of the most common to be taken for granted. With the help of simple analysis tools, thermographers can determine priorities for their predictive maintenance programs. Predictive maintenance pdm definition techniques that help determine the condition of inservice equipment in order to predict when maintenance should be performed primary goal minimize disruption of normal system operations, while allowing for budgeted, scheduled repairs. Regular predictive maintenance pdm on electrical systems lets maintenance teams detect and correct problems before they can shut down. While it might feel seem that basing your maintenance schedule and updates on past instances rather than when an update is needed would be most costly, it is just the opposite. In general, hartford steam boiler recommends a frequency of once every three years for conducting regular preventive maintenance on electrical equipment. Conditionbased maintenance cbm is a methodology that combines predictive and preventive maintenance with realtime monitoring.
Home technical articles regular motor maintenance to avoid failure and prolong its lifespan motor maintenance a well and carefully designed motor maintenance program, when correctly used, can be summed up as preventive maintenance, predictive maintenance and reactive maintenance. Maintenance manual chapter 9 electrical system maintenance. Predictive maintenance by electrical signature analysis to induction motors 489 contributions, the chapter intends to disseminate important concepts to guide companies that have their own predictive group or want to hire consultants or specialized service to obtain good results through general predictive maintenance practices and, especially. Predictive maintenance complements and enhances your traditional preventive maintenance procedures with realtime monitoring, machine learning, data analysis, and prediction of unexpected machine behavior with the goal of preventing problems before they occur. Pdf in modern lowvoltage electrical installations, the predictive maintenance of the major electrical equipments involved in the power delivery. Remove any corrosion on battery terminals with bicarbonate of soda. While reactive maintenance can have a place in a well. This document establishes minimum recommended practices for maintenance of electrical equipment in bureau of reclamation hydroelectric power and large pumping plants.
Thanks to scheduled equipment outages, less disruption to activities and less stress is generated. Historically, vibration technology was the only means available to. Less often, corrosion will cause a weakness to develop and rupture the vessel. This maintenance strategy uses sensors to monitor key parameters within a machine or system, and uses this data in conjunction with analysed historical trends to continuously evaluate the system health and predict a breakdown before it happens. Wires are behind walls and electrical components and panels are usually located in out of sight locked rooms. Statement of work for preventive maintenance service. Enhance power equipment reliability with predictive maintenance technologies 4 white paper on predictive maintenance technologies 3. Through the utilization of various nondestructive testing and measuring techniques, predictive maintenance determines equipment status before a breakdown occurs. The role of predictive maintenance for electric utilities. Pdm uses conditionbased maintenance systems to detect fault sources well in advance of failure, making maintenance a proactive process. Its basically the difference between changing a filter on a sensible schedule, and actually knowing when a filter change is. Reactive maintenance also known as breakdown maintenance refers to repairs that are done when equipment has already broken down, in order to restore the equipment to its normal operating condition. Predictive power transformer maintenance as an effective maintenance system. Electrical distribution maintenance fundamentals anixter.
Fist 41b, maintenance scheduling for electrical equipment 5c. Electrical field services preventative maintenance site. Predictive maintenance is the complement of preventive maintenance. More recently, advances in sensing and computing technology have given rise to predictive maintenance pdm. Department of the interior bureau of reclamation denver, colorado december 2005. Standard for an electrical preventive maintenance epm program. Pdf thermal imaging technology for predictive maintenance.
Electrical predictive and preventative maintenance. Ir scans of multiple electric motors can highlight those with hot bearings indicting an imbalance or wear. Maintenance types preventive, predictive, proactive. Predictive maintenance of mechanical failures, using. Static and dynamic analysis, along with trend data acquisition and analysis, provides the information technicians need to make good decisions regarding use or maintenance of a given motor. Osburn bureau of reclamation hydroelectric research and technical services group denver, colorado 5f. Indepth guide to predictive maintenance tools 2020 update. Implementing electrical preventive maintenance a guide for. Regular motor maintenance to avoid failure and prolong. Preventive maintenance of electrical systems goes beyond the visual or scheduled predictive maintenance work. Riskbased maintenance rbm is a comprehensive prognostic strategy that allows plant operations and maintenance personnel to make decisions using pdm, cbm and pm outcomes. With predictive devices currently available, it is incumbent upon.
Property damage andor physical injuries due to electrical fires can be devastating. The primary value of thermographic inspections of electrical systems is locating problems so that they can be diagnosed and repaired. Predictive maintenance by electrical signature analysis to induction motors 505 in which taps was inserted to the gradual introduction of imbalance in power depending on the insertion of short. For each, see how it works,best practices, implementation tips, top vendors, how it complements the predictive maintenance system. Standard for an electrical preventive maintenance epm program page 410 connections. Facilities instructions, standards, and techniques. Applying infrared thermography to predictive maintenance. For more than a decade, predictive maintenance pdm has enabled facilities technicians to identify and solve problems before they have a chance to damage equipment. The potentially catastrophic consequences of electrical system failures and hazards must be avoided at all costs. These are not maintenance free, thats for sure, and this video will cover basics of preventive maintenance of electrical panels. Predictive maintenance is a proactive maintenance strategy that tries to predict when a piece of equipment might fail so that maintenance work can be. Jan 01, 2020 read to discover 4 types of predictive maintenance tools.
Electrical preventive maintenance epm program electrical related fires are a common occurrence. On stranded cable, if ends are corroded, cut off ends or separate strands and clean internally. One of the usas premier academic healthcare organizations leverage ecostruxure asset advisor predictive services to boost its power system reliability. Predictive maintenance of mechanical failures, using electrical measurements for instantaneous torque. Pdf predictive maintenance by electrical signature analysis to. This guide provides information on establishing an effective maintenance program to help prevent unexpected motor failures, costly downtime, and unnecessary maintenance costs. When it comes to asset management, there is an evolution happening within the energy industry where utilities are moving from preventative maintenance to predictive maintenance. Predictive maintenance is vital in both downtime prevention and overall cost savings. A comprehensive preventive maintenance and testing program should incorporate all electrical power distribution equipment, regardless of the manufacturer, to. Predictive maintenance for improved performance in oil and gas.
Preventive maintenance, electrical preventive maintenance pm. Doe estimates for upgrading to predictive maintenance predictive maintenance is one step beyond preventive maintenance. The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, governmental, and residential installations. Recommended practice for electrical equipment maintenance. Pdf predictive maintenance by electrical signature. Preventive maintenance of electrical systems goes beyond the visual or scheduled predictive. Infrared thermography is the tool inspections take less time than repairs, especially if done with a thermal imager. In todays world we seem to take so many things for granted. Nfpa 70e standard for electrical safety in the workplace electrical arc, flash, and blast. As a result, the planning for maintenance and the operation of equipment is more reliable and safe.
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