One of the most important factors in doing this is the approach used. Most multimeters can be used to measure resistance, voltage, and current. Question 4 a new residential neighborhood is being built, and you are working as a member of the construction crew. Use insulated gloves, tools, blankets, and barriers if required. For troubleshooting electrical equipment and control circuits, it is important to understand the basic principles on which the electrical equipment works. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Automotive electrical circuits and wiring 3 101 automotive electrical circuits and wiring introduction learning objective. As a technician, you are sent to troubleshoot a complex piece of electronic equipment that has stopped working.
Buy electrical equipment handbook mcgrawhill handbooks. Failure of this pump will result in the loss of a generator currently producing half of the stations power output. An electrician is troubleshooting a faulty light circuit, where the power source and light bulb are. Master effective testing methods and techniques for troubleshooting electrical circuits. There is a perception among some in the electrical industry that a factory representative might somehow exercise bias during the startup because that person might be less objective than a disinterested or unconcerned third party. Troubleshooting and repairing commercial electrical equipment. Using more than one space heater or hair dryer at the same time is a common cause of this problem. Use this template to assess the compliance of electrical safety measures for a given worksite. In previous articles for construction equipment magazine, ive detailed specific skills and practices that can be used to speed up and streamline electrical troubleshooting. If there is more than one failure in a system, it is helpful to document the repair for the benefit of anyone else working on solving the problem later.
This handbook aims to maximize a companys energy output whilst ensuring the reliability and longevity of industrial electrical equipment. A boiler feed pump being powered by two 3500 hp induction motors appears to be developing a problem. Practical troubleshooting of electrical equipment and control. Electrical troubleshooting electrical wiring and circuit breakers household electricity fix a blown fuse or reset a circuit breaker blowing a fuse or tripping a circuit breaker is a relatively common issue, especially if you like to vacuum, listen to music and microwave popcorn at the same time. Troubleshooting electrical control circuits industrial wiki. Dan shares many of his best troubleshooting tips and advice in this 200 page book. Understanding basic electricity can be invaluable in both safety, as well as when troubleshooting and repairing an electrical circuit. There are also some specialty electrical tools that come in handy from time to time, and these are readily available at most home centers, hardware. About 70% of the time is spent working, handson, at a troubleshooting station with motor control circuits operating at a safe, low level of 24 volts. There are also some specialty electrical tools that come in handy from time to time, and these are. Do a site walkthrough and inspect the electrical tools and equipment being used e.
One of the most important factors in doing this, is the approach used. Troubleshooting electrical equipment hartland electric, a. Dan sullivan is a leading trainer in the industry and his training classes are always in demand. How to troubleshoot like an expert a systematic approach. Compared to many technical publications and textbooks, this is an easy read. A mysterious switch that doesnt appear to connect to any fixture at all could mean anything from a faulty outlet, circuit, or wiring.
Electrical troubleshooting tools trouble shooting tools. Like any other repair or improvement project around the house, electrical work requires tools. To expertly troubleshoot electrical equipment, problems must be solved by replacing only defective equipment or components in the least amount of time. Jan 18, 2018 if any of your light switches are not working correctly, you have a couple troubleshooting options. Troubleshooting and maintenance provides you with the stateoftheart information for achieving the highest performance from your transformers, motors, speed drives, generator, rectifiers, and inverters. Were talking about linetoground faults that may damage equipment. Electrical troubleshooting 1 before using a voltmeter on electrical components, do the following. Sep 28, 2010 in previous articles for construction equipment magazine, ive detailed specific skills and practices that can be used to speed up and streamline electrical troubleshooting. The problem could be in the chandeliers wiring open wire connection, open connection in socket, or in the bulb itself burnedout. Troubleshooting means diagnosing why an electrical system or piece of equipment fails to perform as expected. The manual is designed to engage the learner in recognizing, evaluating, and controlling hazards associated with electrical work.
However, these concerns are, fortunately, usually unfounded. With this book in hand youll understand various diagnostic testing methods and inspection techniques as. Electrical equipment handbook troubleshooting and maintenance. Jan 01, 2004 a boiler feed pump being powered by two 3500 hp induction motors appears to be developing a problem. Yet the situation in the individual countries differs. Electricians troubleshooting and testing pocket guide.
Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Troubleshooting and repairing commercial electrical equipment pdf for free, preface. The generator is a singlephase, reconnectable 120 volt ac twowire or 115 volt ac twowire or 230 volt ac twowire, at 50 hertz. Donec odio mi, vulputate sit amet elementum sit amet, fermentum tincidunt massa. Complete 200 page guide to every aspect of electrical troubleshooting explained in a way that makes is useful in the shop. Test equipment to check motor operation why motors fail and how to extend life troubleshooting of motors the program organisational and personal impact of the workshop and its training methodology.
The book can be found at and various other websites. Practical troubleshooting of electrical equipment and. Jumping to conclusions can be expensive and time consuming. The emphasis is on practical issues that go beyond typical electrical principles, providing a toolkit of skills in solving electrical problems, ranging from. There is a large gap between the theory of electron flow, magnetic fields and troubleshooting electrical equipment and control circuits. Basic circuit troubleshooting basic electricity pdf version. On equipment with wiring that continually flexes, you may find a broken conductor inside the insulation which causes an open circuit. How to troubleshoot electrical systems construction. Practical troubleshooting of electrical equipment pdf archive. Troubleshooting equipment multimeters and clampon ammeters are test devices widely used in troubleshooting. Purchase practical troubleshooting of electrical equipment and control circuits 1st edition. Students will learn the proper and safe process for troubleshooting industrial and commercial electrical equipment, resulting in reduced costs and downtime. This workshop shows delegates how to troubleshoot electrical equipment and control circuits.
How to troubleshoot electrical systems construction equipment. Practical troubleshooting of electrical equipment and control circuits will help engineers and technicians to identify, prevent and fix common electrical equipment and control circuits. Basic circuit troubleshooting worksheet basic electricity. Operators are complaining that a large compressor on several occasions has failed to start. Troubleshooting a motor starter with jogging circuit. For more information, refer to the holt cat electrical safety.
Short circuit faults are more difficult to find and repair. The device that you will use most frequently in your maintenance tasks is the meter. Electrical power equipment maintenance and testing 2nd edition. If the swapped component is indeed faulty, but in such a way that it. Electrical equipment plays an important role in the safe transmission and distribution of electrical power. Troubleshooting and repairing commercial electrical equipment is the first work that offers a practical approach to diagnosing and repairing commercialindustrial electrical equipment covering everything from motors, computers, elevators, and fire alarm systems to heavyduty ovens and audio equipment.
Electrical troubleshooting book diagnosticwiring diagram. Electriciansparadise troubleshooting electrical equipment. The equipment needs to be operated in a safe manner securing continuity of supply to consumers. The attendees will learn how to fix electrical problems plain and simple. Typically, a short circuit occurs when the insulation around a conductor deteriorates and the current finds a path to another conductor or grounded object. Basic troubleshooting strategies worksheet basic electricity. If the floor is wet, try not to enter that area where electrical equipments used. Equipment protected throughout by double insulation or. This simple troubleshooting technique is applicable to a wide variety of electrical, electronic, and other types of systems. Mar 20, 2016 understanding basic electricity can be invaluable in both safety, as well as when troubleshooting and repairing an electrical circuit. For most residential electrical projects, youll use mostly basic hand tools you already own, such as a hammer, tape measure, level, and screwdrivers.
Using simutechs 5step troubleshooting approach, master effective testing methods and techniques for safely troubleshooting malfunctions in a typical industrial control system. Several realistic circuit simulations with over 30 challenging faults to solve. This system simulation gives you the chance to learn and practice new methods as you troubleshoot large industrial processes containing electromechanical controls. This article presents an overview of a simple, but effective, method of investigating an electrical problem. In order to perform these functions, troubleshooting skills come into play, and in both of the above examples, time is of the essence. Troubleshooting electrical faults in a manufacturing. The generators data plate gives the voltage, current and frequency rating of the generator. After the circuit breaker trips, test for power at nearby receptacles. An expert troubleshooter uses a system or approach that allows them to logically and systematically analyze a circuit and determine exactly what is wrong. This student manual is part of a safety and health curriculum for secondary and postsecondary electrical trades courses. Conduct a hazard assessment and follow approved safe work practices. Capitulo 2 automotive electrical circuits and wiring. The training course will revolve around maintenance, troubleshooting and fault finding techniques used in. If any of your light switches are not working correctly, you have a couple troubleshooting options.
Having an effective troubleshooting plan and following it can help obtain this feeling of satisfaction. The ultimate electrical equipment troubleshooting pocket guide, designed for quick reference at any job site, the electricians troubleshooting and testing pocket guide enables electricians using portable meters to test, maintain, and troubleshoot all types of electrical equipment and systems. Troubleshooting and repairing commercial electrical equipment pdf. The electrical systems on equipment used by the navy are designed to perform a. Troubleshooting journals such as this are helpful when searching for complex problems in large systems, where more than one person may have to work on finding the problems. Dimmer switches that have trouble adjusting properly are usually the fault of poor craftsmanship and material. Wear appropriate protective clothing and equipment. The training seminar will also provide delegates with. Question 1 determine if the light bulb will deenergize for each of the following breaks in the circuit. It covers various types of transformers, motors, variablespeed drives, generators, rectifiers, inverters and uninterruptible power systems.
One day, when the heating technicians are onsite doing checks of the gas furnaces in each new house, they report that the last house in the neighborhood does not have natural gas. Identify charging, st arting, ignition, and accessorycircuit components, their functions, and maintenance procedures. Enhance your troubleshooting experience with continual training and practice in a safe environment. When a properly working circuit breaker trips frequently and there are no malfunctioning loads on the circuit, it means the circuit is overloaded. Multimeters allow you to make a variety of electrical measurements with the same instrument. It is a very straight forward book that makes electrical troubleshooting very simple. Electrical troubleshooting in seven steps efficient plant. This is our electronic display version of our current loop simulatorgenerator was developed to assist maintenance personnel and integrators in 4 to 20 ma analog input testing and 010 vdc, troubleshooting and.
Upon opening the cabinet door for this equipment, your nose is greeted by the pungent odor of. This is a basic course, without any prerequisites, that. The following sections will outline the basic electrical concepts. The amperehour capacity is equal to the product of the current in amperes and the time in hours during which the. Troubleshooting electrical equipment hartland electric.
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