A wellplanned preventive maintenance program is the key to dependable, longlife operation of motors and generators. Standard for an electrical preventive maintenance epm program page 210 andor connectors are used together, examine connections for signs of galvanic action. Unfortunately, its often too late to employ minor repairs when an electric motor begins to show signs of. The very first thing that you should do before starting any type of maintenance on a motor is a visual inspection, a lot of times the trouble can be. Define electrical maintenance electrical maintenance involves the fault diagnosis, routine servicing, and repair of electrical components of a machine. Electric motors play an important role in most manufacturing operations and when a motor fails, especially unexpectedly, this means unwanted extended downtime.
An electric motor operates in a simple and reliable manner, and this can sometimes lead to overlooking the daytoday maintenance. Electric motors for explosive atmospheres instructions manual for installation, operation and maintenance of electric motors date. So the main idea behind motor maintenance is to prevent breakdown rather than repairs them. Almost all electrical equipment requires planned inspection and maintenance being carrying out.
Maintenance manual chapter 9 electrical system maintenance. Electric motor testing explained the electricity forum. Your brook crompton motor is designed for long life, and. Apply an antioxidant compound to all aluminumto copper connections. Exxonmobil guide to electric motor bearing lubrication the proper lubrication of electric motor bearings is essential to maintaining them in peak operating condition and, ultimately, in reducing unnecessary downtime. Introduction this manual provides information on how to safely install, couple to the driven equipment, and maintain the toshiba squirrel cage mediumvoltage induction motor. Including the motors in the maintenance schedule for the driven machine or general plant equipment is usually sufficient. Electrical installation handbook protection, control and. Installation and maintenance manual worldwide electric. Maintenance instructions for three phase induction motors frames 143t 449t 18060 109 ave edmonton, ab t5s 2k2 phone. Electric motor predictive and preventive maintenance guide. Horizontal squirrel cage mediumvoltage induction motor. Electric motors are a source of electrical hazards and consequently their improper use may cause injury andor damage to people.
The failure of one or more critical motors could cause lost capacity and excessive repair and maintenance cost. Read the following instructions carefully before starting up the motor. However, existing maintenance recommendations proposed by. Electrical preventive maintenance epm program electrical related fires are a common occurrence. Maintenance and troubleshooting of electric motors esr motor. Other members of the family are the directcurrent dc motor or generator, the induction motor.
Electric motor maintenance schedule free download as word doc. Electric motor maintenance and troubleshooting, 2nd. Spare parts, installation and maintenance of ac motors mammoet. Simple steps to electric motor maintenance r baker. This bulletin, for exxonmobil customers, is intended to serve as a practical guide to the proper lubrication of electric motor. Qualified personnel should perform installation, operation and maintenance of electrical.
For the twmc motor warranty to be and to remain in. Electric motor maintenance and troubleshooting by augie hand. Ac electric motors best practice manufacturing designconstruction related features in ac motors that lead to longer service. Maintenance and troubleshooting of electric motors reliance electric posted 11005 motor maintenance scheduled routine care introduction the key to minimizing motor. Electric motor maintenance and troubleshooting, 2nd edition. A preventive maintenance checklist for electrical distribution systems in commercial buildings. Electric motor testing is usuallly the first thing to be sacrificed when cutting back on operational expenses. Electric motor maintenance and troubleshooting, 2nd edition kindle edition by hand, augie. But smart companies understands is that what this means for maintenance programs is billions of dollars of lost revenue through increased motor.
Since here we are talking about maintenance of induction motor, and it is of two types. The main objective of this kind of maintenance is to repair and replace the motor when a failure occurs. Five tips for better electric motor maintenance it is essential to perform preventive maintenance pm checks on electric motors as a part of managing facility assets because they have a. National electric code and all local safety requirements. Electric motor predictive and preventive maintenance guide abstract electric motor performance is vital to the reliable and efficient operation of power plants. Electrical inspection checklists this pdf contains 77 electrical inspection checklists taken from the 2014 electrical inspection manual with checklists. These motors generally comply with all relevant indian and international standards on rotating electrical machines like is325, iec 34. Electrical preventive maintenance will keep you safe and warm. The electrical installation handbook is a tool which is suitable for all those who are interested in electrical plants.
Simple steps to electric motor maintenance r baker electrical ltd. This document is a summary of recommendations against. The synchronous electrical generator also called alternator belongs to the family of electric rotating machines. Spare parts, installation and maintenance of ac electric induction motors. Download it once and read it on your kindle device, pc, phones or tablets. Electrical motor controls for integrated systems, the industryleading textbook, features a new open design that offers maximum fl exibility to meet your instructional needs. Electric motors are a source of electrical hazards and consequently their improper use may cause injury andor damage to people, animals and objects. You can learn a lot more about rotating equipment health management with the 4day rotating machinery maintenance. Property damage andor physical injuries due to electrical fires can be devastating. Installation and maintenance manual hyundai low voltage motors this operation manual includes important information for the installation, assembly, operation and maintenance of hyundai low voltage motors. This standard specification describes the requirements for the contractor to overhaul ashore in a suitable repair facility an alternating current ac induction or synchronous motor.
Running the motor with no radial force applied to the shaft may damage the roller bearing due to sliding, motors equipped with angular contact ball bearing. Preventive maintenance, electrical preventive maintenance. Fist 41b, maintenance scheduling for electrical equipment 5c. Maintenance and troubleshooting three phase induction motor. This manual must be kept for future reference during installation, operation and maintenance. Pdf pdf electrical motor controls for integrated systems. Read about learning 101 basics of motors and motor controls. Types of electric motors electric motors dc motors other motors h ac motors s unt motor separately excited induction motor stepper motor motor brushlessdc motor series motor hysteresis motor permanent magnet dc pmdc synchronous motor reluctance motor compounded motor universal motor. Electric motor maintenance and troubleshooting, 2nd edition augie hand on. An electrical maintenance engineer is responsible for planning the maintenance. Download pdf of electric motor maintenance and troubleshooting second edition by augie hand for free pdf free download. Low voltage motors installation, operation, maintenance. Electrical distribution and control systems are the heart of any facility, yet it is often the most underappreciated utility. Since moisture can be very detrimental to electrical components, the motor temperature should be.
Search weginstallationoperationandmaintenanceofthree. An electric motor that is well cared for will last for years and provide you with ongoing reliability. Qualified personnel should perform installation, operation and maintenance of electrical machinery. Since moisture can be very detrimental to electrical components, the motor. This technical topic outlines several standard maintenance tools and practices that are easy to implement and help keep electric motor rebuilds and replacements at a minimum. 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. The frequency of routine service varies widely between applications. Standard for an electrical preventive maintenance epm. Through the utilization of various nondestructive testing and measuring techniques, predictive maintenance determines equipment status before a breakdown occurs. High voltage and rotating parts can cause serious or fatal injuries.
Use features like bookmarks, note taking and highlighting while reading electric motor maintenance and troubleshooting. With predictive devices currently available, it is incumbent upon. Regular motor maintenance to avoid failure and prolong. Ensure that the connectors are properly used and installed in accordance with manufacturers specifications. With much of the nation buried under mountains of snow or enduring freezing temperatures, now is the time to make sure that your industrial facilities have been inspected for potential electrical.
Squirrel cage induction motor requires significantly less maintenance. Predictive maintenance is the complement of preventive maintenance. Through the utilization of various nondestructive testing and measuring techniques, predictive maintenance determines. Osburn bureau of reclamation hydroelectric research and technical services group denver, colorado 5f. The manufacturer of these products, baldor electric company, became abb motors.
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