Switch contacts are held open between disconnect and connect positions. Starters are made from two building blocks, contactors and overload protection. The starter and overload heater assembly for an industrial electric motor is often located quite a distance from the motor itself, inside a room referred to as a motor control center, or mcc. The finished project contains electrical diagrams, panel mechanical layout and various lists. Basics of industrial electricity and troubleshooting electrical control circuits course details date. If the motor problems cant be resolved with this list, please contact your supplier for assistance. Troubleshooting common electrical problems for industrial. Troubleshooting electrical control circuits is defined as the logical and orderly process to determine the fault or faults in an electrical control circuit.
The troubleshooting electric motor control circuit wiring fault simulation cd has instructor resources available too. From these base states we will build many motor control. Industrial electrical training video library dvd 8, section 3. Group a group b group c group d group e group a safety and codes 0801. Should further information be desired or should particular problems arise which are not covered sufficiently for the purchasers purposes, the matter should be referred to the general electric company. Take a stepbystep approach to analyze motor starting problems when troubleshooting a faulty electric motor, time or in this case downtime is money.
Horizontal ac small industrial motors motor installation and maintenance instructions gei 56128h. Pdf lesson 1 troubleshooting with electrical schematics. A great guide for which motor test you need to perform, be it a large industrial 3 phase electric motor troubleshooting job you are doing or you are just troubleshooting small electric motors. This overview of industrial motor controls highlights the differences and subsystems. This course will help you better evaluate and troubleshoot three categories of common motor drive issues. In this way you can always check that you have been through all steps. Troubleshooting is to present the most uptodate information, reflecting the an important element of any motors and controls current needs of the industry. This is a basic course, without any prerequisites, that. Industrial electrical troubleshooting electrical trades. Labels may be on or inside the equipment, for example, a motor control center, to alert people to potential arc flash. Skillssa 3 contest projects industrial motor control. Motor control circuits are an effective way to reduce cost by using smaller wire and reducedamperage devices to control a motor.
Switchgear maintenance suggestions rev 1 ge industrial. Amatrol has developed the most comprehensive, indepth selection of online electrical training solutions available today, beginning with the basics of acdc electrical and moving on to more advanced topics like electrical machines, relay control, and fabrication. Tutorial motor control o shows you how to make a small control circuit, where all components are found in the component database. Basics of industrial electricity and troubleshooting. Develop the skills to safely troubleshoot complex industrial control systems with electromechanical controls. Troubleshooting in the field motor testing motor controller programmable logic controllers plc within the industrial troubleshooting realm today, electrical troubleshooting also requires great computer skills. Electrical installation handbook protection, control and.
Ac motor using full or reduced voltage describe the basic operation of a threephase ac motor describe methods for troubleshooting ac motors apply a systematic approach to troubleshooting motor control circuits design and construct motor control circuits implement proper motor control troubleshooting techniques. Troubleshooting electrical control circuits industrial wiki. The motor and drive troubleshooting online course is designed to help maintenance professionals better understand the electrical, electronic and mechanical aspects of motor drive system health. Problems and premature failures often indicate input power system troubles, poor or deteriorating mechanical installations, or malfunctions in the driven machinery. Operation counters and running time meters for monitoring motors are included on the panel.
From these base states we will build many motor control projects. Motor spring charging motor the motor is used to charge the breaker closing springs. Motor and motor control troubleshooting techniques. Free online electric motor troubleshooting flowchart tool. 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. Electrical wiring training electrical wiring design. Troubleshooting a plc motor starter with jogging circuit. Industrial arc furnaces, welders, manufacturing processes. A special type of overcurrent protection device used commonly in motor control circuits is the overload. Some standard lincoln electric motors are also capable of pws, yds or both as indicated in the following chart. First make sure the problem is not something simple such as an unplugged device or a. Dangers of electric shock and other safety risks are significantly heightened when working with control devices. Threephase motor and drive system and common problems.
Since the fan is on the primary side of the transformer, we need. Each simulation is based on a realworld scenario and contains a wide variety of practice faults. These are important aids in maintenance and troubleshooting panels. For instance, if the fan motor was not running, then we can make some initial guesses to the source of the problem. Motor control circuits motor control circuits are an effective way to reduce cost by using smaller wire and reducedamperage devices to control a motor. In this guided application exercise well build a bare trainer board, assemble a plug, and motor mount. Troubleshooting common electrical problems for industrial workers. If the motor is not moving, then there is something wrong in the motor wiring or with the motor itself. These voltage pulses, which are essentially square waves, have fastrising edges that can cause transient voltage reflections in the cable between the vfd and the motor. Troubleshooting is a process that starts at the source of input and ends at the output. An article on industrial electrical troubleshooting with sections on industrial electric motor control and programmable logic controller. Preventive maintenance the key to motor control center. Therefore, motor troubleshooting involves the entire system, not. No matter how urgent the problem and motor failure can cause some very urgent problems always develop a plan of attack before you start repair work.
Safe and effective troubleshooting of electrical systems is an essential skill for maintenance technicians in industrial, utility, or commercial settings. Sep 16, 2014 at the end is just an example how the software uses real world work order system to track student while doing electrical troubleshooting with the simulation software, and the detailed analysis report. To ensure proper installation of your gem controller, use our directions in lieu of all others. These electrical devices are also used for the purpose of stopping, reversing and protecting electric motors.
Electrical motor controls for integrated systems, the industryleading textbook, features a new open design that offers maximum fl exibility to meet your instructional needs. Attendees will experience live circuit faults in a real world scenario. If you want the best electrical and motor controls and programmable controllers plc training you have come to the right place. Ac motor control circuits this worksheet and all related files. Troubleshooting industrial controls simutech multimedia. It requires you to follow specific and systematic procedures. Motor and drive troubleshooting online course fluke. Motor starters are one of the major inventions for motor control applications. Therefore, motor troubleshooting involves the entire system, not just the. These manuals are specifically made up for the individual panel, and are generally sufficient for any or all problems which may be encountered. Electric motors and controls training electric motors and controls training certificate course software. Industrial technical maintenance ii, november 2016, page 1 of 3.
Dc electric motors in a manual motor control circuit itmii1. Motor control and troubleshooting rockwell automation. Skillssa 3 contest projects click the print this section button above to automatically print the speci cations for this contest. In this circuit simulation download you use the troubleshooting tools while troubleshooting garage door. We provide you the same topquality online welding courses that our clients use. Many problems encountered in service work are electrical problems or related to electrical problems. They can also stop them, reverse them, accelerate them, and protect them. To minimize the risk of potential safety problems, you should follow all applicable local, state and national codes that regulate the installation and operation of your control system, along with the equipment or process it is designed to control. The ability to evaluate a students troubleshooting skills based on troubleshooting strategies. Also the pdf laboratory manual come full of proven wiring assignments that will help to build competencies.
Simutech multimedia industrial electrical troubleshooting. Owens is a technology manager at kaman industrial technologies. Build a motor control trainer board, plug, and motor mount. Preventive maintenance the key to motor control center reliability the lowvoltage motor control center is a key element in electrical control systems because of the vital operating role they play in controlling motors and production processes. Using simutechs 5step troubleshooting approach, master effective testing methods and techniques for safely. Refer to the wiring diagram to verify the motor is wired correctly.
Jun 03, 2016 in this guided application exercise well build a bare trainer board, assemble a plug, and motor mount. Our dvd 9 that covers dc motor controls and troubleshooting. Lesson 1 troubleshooting with electrical schematics. It will help if you have an understanding of basic hydraulics, pneumatics, mechanical operating mechanisms, electronics, control sequences, etc. Make sure your printer is turned on before pressing the button. Also the pdf laboratory manual comes full of proven. As the name suggests, a starter is an electrical device which controls the electrical power for starting a motor. Take a stepbystep approach to analyze motor starting. At the end is just an example how the software uses real world work order system to track student while doing electrical troubleshooting with the simulation software, and. Locating faulty components, identifying power quality problems, and troubleshooting circuits are just a few of the issues the maintenance technician may be confronted with when repairing. Overview of industrial motor control systems tutorial maxim. Vfds control the speed of machinery and processes by varying the width of i. There are two types of electrical current in common use today.
Troubleshooting common electrical problems for industrial workers tags. All about motors motor protection eaton wiring manual 0611 84 8 8 overload relay with reclosing lockout they should always be used where continuous contact devices twowire control are concerned e. This electric motor control circuit training software is quite detailed. Get demo using simutechs 5step troubleshooting approach, master effective testing methods and techniques for safely troubleshooting malfunctions in a typical industrial control system. Electrical motor control circuits free download for. Motor troubleshooting includes a motor connection box to practice handson skills such as troubleshooting faults in a dc motor and ac singlephase and threephase motors, evaluating dc electric motor commutator and brush health, and using a multimeter to test an ac motor startrun capacitor. Basic motor concepts such as starting current, locked rotor current, effects of varying. Industrial electrical troubleshooting demonstrates the efficient use of certain electrical meters to troubleshoot relaylogic circuits with a single setting. Tips for troubleshooting motor drives design world. The simulation features a fluid processing system with an electromechanical control circuit and a threephase power supply. It is a well known fact that electrical and automated plcbased equipment is inherently not safe if not operated and worked on by trained personnel. You should understand how to control motion and movement, regulate.
The purpose of this infotec is to help you understand the fundamentals of electrical systems. Other publications in this series cover fan, compressed air, process heating, pumping, and steam systems. This unit discusses the basic concepts of motor control, including motor control language and the types of wiring diagrams used. This project is one in a series of sourcebooks on industrial systems. A laptop computer with plc programming, communication, and operating programs are a necessary tool in todays modern plant. Learn how to effectively diagnose electrical control circuit problems. Industrial skills \ electrical training series \ motor and motor control.
Welcome to module 19, which is about starters, devices that control the use of electrical power to equipment, usually a motor. Amatrols electrical fabrication 1 learning system 96elf1 teaches the fundamental training concepts of electrical wiring, including the industrystandard components used by electricians, technicians, and engineers to install, operate, repair, and design equipment for modern industry. Gather up any background material you may have on hand and then use your senses to inspect the site. As this article will demonstrate, the use of a digital oscilloscope can help speed up the troubleshooting process for industrial control systems and be more effective in pinpointing the exact nature of the problem. Department of energys doe industrial technologies program itp. We deliver best in class training content for the entire workforce within operations and maintenance. How to do electrical troubleshooting of electrical motor. Simutechs troubleshooting simulations immerse your professionals in a 100% 3d environment, where they will learn and practice the crucial skills needed for troubleshooting electrical faults in industrial machinery. We carry only the best equipment, hire the most experienced personnel and provide continued training in order to meet the requirements of our customers, their equipment maintenance. Motor controls unit 1introduction this unit discusses the basic concepts of motor control, including motor control language and the types of wiring diagrams used. Troubleshooting an open circuit faults in the control circuit. List and explain a systematic approach to troubleshooting electrical circuits.
The frequency of routine service varies widely between applications. Electrical training videos brochure pdf, also single electrical video dvd order form in pdf. Two speed motor control reduced voltage starting circuits troubleshooting more complex control circuits tank fill control duplex pump control day one basic principles industrial electricity single and three phase power systems meters used in troubleshooting clamp on ammetermegohmmeter devices, symbols and circuits. Industrial text electrical motor controls video training series. Industrial electrical troubleshooting training simutech. Control devices 211 covers the fundamental components of motor controls, devices that control the flow of current in circuits. Sohail mirza, application manager may 10, 2010 abstract. Specifi c topics have been organized into sections for modular instruction. Maintenance and troubleshooting of electric motors reliance electric posted 11005 motor maintenance scheduled routine care introduction the key to minimizing motor problems is scheduled routine inspection and service. The reset button can be fitted as an external feature in order to make it. Small dc motors are used in cordless tools, small toys and disk computer drives, however, bigger dc motors are still used in some industrial applications. Solenoids, timers, sensors, relays, troubleshooting, even an introduction to plcs is included. Today, a generation of electronic meters is available to test voltage and continuity without changing the setting of the meter or deenergizing the circuit.
List and describe the purpose and application of various motor control components. With our proven training solutions we have serviced corporations in the energy industry, process industries, industrial manufacturing. Troubleshooting tips for industrial control systems. Electric motor troubleshooting industrial motor training.
By keeping a weekly log on these two items, a normal count and time of motor running may be established. Industrial maintenance troubleshooting industrial controls. If using a speed potentiometer, measure across the ccw. Make sure the drive is actually receiving a command signal to make the motor run.
Pdf pdf electrical motor controls for integrated systems. Interpret this ac motor control circuit diagram, explaining the meaning of each symbol. About toshiba international corporation welcome toshiba international corporation tic is a toshiba america inc. With crucial, uptodate information on basic relay control systems, programmable logic controllers, and solid state devices commonly found in an industrial setting, this book is a must have. We recommend that you read and use the step by step wiring procedures before starting the installation. The new and updated 6th edition of industrial motor control is the most comprehensive revision of the book since it was published over 20 years ago. Army corps of engineers, american electric power and shell. Horner industrial group continues to expand both our electrical and mechanical. For example, in figure b1, the control wiring from the startstop. Mobile friendly too, so accessible wherever you are troubleshooting electric motors. Conversion to mechanical power by motors pumps, fans, hvac, refrigeration compressors.
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