Troubleshooting of electrical equipment and control circuits pdf

A virtual troubleshooting exercise such as this one is a good way to start students thinking in the right ways to becoming effective troubleshooters. How to troubleshoot electrical systems construction equipment. To provide troubleshooting methods and solutions for various electrical equipment and control systems problems. Download pdf of practical troubleshooting of electrical equipment and control circuits by mark, jawahar, dinesh and steve for free pdf free download. Troubleshooting electrical control circuits is defined as the logical and orderly process to determine the fault or faults in an electrical control circuit. Conduct a hazard assessment and follow approved safe work practices. A control circuit is a special type of circuit that uses control devices to determine when loads are energized or deenergized by controlling current flow. Troubleshooting of electrical equipment and control systems. There is, however, a potential hazard to doing this.

My approach to troubleshooting is first to make a simple drawing of the suspect circuit in order to figure out what it does and what it doesnt do and, then, to repair the wires. Motor and motor control troubleshooting techniques. The main electrical components in hvac equipment are fan motors, compressors and devices like gas valves and solenoid valves. Wiring diagrams show components mounted in their general location with connecting wires. Having an effective troubleshooting plan and following it can help obtain this feeling of satisfaction. The control circuit consists of relays, relay contacts, contactors, timers. Fortunately, electrical circuit troubleshooting is an activity that works well for small groups of students to engage in as well as individual students. Schematic diagrams show components in their electrical sequence without regard for physical location. Ramesh practical telecommunications and wireless communications edwin wright and deon reynders practical troubleshooting of electrical equipment and control circuits mark brown, jawahar. Troubleshooting electrical controls how to troubleshoot. The control circuit consists of relays, relay contacts, contactors, timers, counters, etc.

Electrical and maintenance staff responsible for maintaining and troubleshooting complex, electromechanical controls in fluid processing systems. Switches necessary to turn the electrical circuit on or off connecting wires to create a complete circuit path through which current flow from the source going to the circuit load. Hvac control systems also contain switches and other control devices. Troubleshooting of electrical equipment and control. Editions for practical troubleshooting of electrical equipment and control circuits. This simple troubleshooting technique is applicable to a wide variety of electrical, electronic, and other types of systems. The lab manual can be accessed via the software and you can also optionally print it.

This video uses electrical troubleshooting simulation software to teach you how to troubleshoot an electrical motor control circuit. These manuals are specifically made up for the individual panel, and are generally sufficient for any or all problems which may be encountered. Troubleshooting of electrical motor control circuit. It also includes instructions on how to use the tstrainer. Equipment protected throughout by double insulation or reinforced insulation. Chances are, you wont be an expert in repairing these devices, but you can take some practical steps to solve problems and help get your systems operational again in a timely. First make sure the problem is not something simple such as an unplugged device or a tripped circuit breaker.

As an industrial electrician, youll encounter many complex electrical circuits and drives that will break down as they age. Basic electronic troubleshooting techniques as an industrial electrician, youll encounter many complex electrical circuits and drives that will break down as they age. Current is defined as the flow of electrons and is measured in amperes. The emphasis is on practical issues that go beyond typical electrical principles, providing a toolkit of skills in solving electrical problems, ranging from. If the swapped component is indeed faulty, but in such a way that it.

Transformer protection of appliance and equipment connected to ac power supplies. Jan 03, 2016 objectives to understand the fundamentals of control circuits to understand types of control circuits to troubleshoot control circuits. Electrical troubleshooting 1 before using a voltmeter on electrical components, do the following. A shorttoground creates a lowresistance circuit that bypasses the load working component and causes high current. Definitions and descriptions of electrical equipment used in industrial applications including. Purchase practical troubleshooting of electrical equipment and control circuits 1st edition.

This is a basic course, without any prerequisites, that. Use insulated gloves, tools, blankets, and barriers if required. Test a slow cranking problem in 3 quick steps that takes. Electrical maintenance troubleshooting electrical circuit our blog our facebook page this video uses electrical troubleshooting simulation software to teach you how to troubleshoot an electrical. We have been learning about some interesting facts and circuits related to digital electronics such as ghost detection circuit, basic tubelight circuit, dc to dc charger and so forth. Practical troubleshooting of electrical equipment and control circuit free download as text file. Basic troubleshooting strategies all about circuits. Oct 05, 2010 at the end is just an example how our software uses realworld workorder system to track student while doing electrical troubleshooting with our simulation software, and the detailed analysis report. Troubleshooting control circuits simutech multimedia. Electrical troubleshooting, plc troubleshooting training. The device that you will use most frequently in your maintenance tasks is the meter. Pdf troubleshooting electrical motor control circuits pdf.

Vehicle electrical troubleshooting shortcuts veejer. For more information, refer to the holt cat electrical safety. Practical troubleshooting of electrical equipment and control circuits will help engineers and technicians to identify, prevent and fix common electrical equipment and control circuits. For troubleshooting electrical equipment and control circuits, it is important to understand the basic principles on which the electrical equipment works. For example, in figure b1, the control wiring from the startstop pushbutton station runs to the actual connection points 1, 2, and 3.

Editions of practical troubleshooting of electrical. The following is a short discussion concerning basic electrical troubleshooting. How to troubleshoot electrical systems construction. General troubleshooting guide for electric circuit. Troubleshooting industrial controls simutech multimedia. Practical troubleshooting of electrical equipment and control circuits practical professional books from elsevier brown bappscphty mhscsport phty mba. Find a battery problem that burns up a good generator. Sep 09, 2014 there is a chasm between the theory of electron flow, magnetic fields and troubleshooting electrical equipment and control circuits in the plant. Unit 1 basic principles of motor controls different manufacturers of control devices, as well as books about motor controls, use different methods of showing the control circuit wiring. Troubleshooting, testing, repair, overhaul, modification and maintenance of electrical equipment, such as welders, motor generator sets, ac and dc motors where the primary knowledge and skill is of electrical circuitry and electrical principles. Industrial maintenance troubleshooting industrial controls. Learning skills that are directly transferable to the workplace. Electrical troubleshooting in seven steps efficient plant. It can change the electrical voltage or current from one level to another.

Practical troubleshooting of electrical equipment and control circuits. Oct 17, 2019 practical troubleshooting of electrical equipment and control circuits will help engineers and technicians to identify, prevent and fix common electrical equipment and control circuits. Troubleshooting electrical controls how to troubleshoot a. Federal wage system job grading standard for electronic. Basic control circuits basic control circuits are used in starting, stopping, sequencing, and safety automatic interlocking of equipment and machines. Highresistance faults which can include corroded wires, corroded connectors and bad grounds cause low current. On this workshop, we avoid discussions on the theory but rather focus on showing you how to troubleshoot electrical equipment and control circuits.

This workshop shows delegates how to troubleshoot electrical equipment and control circuits. Commercial and industrial wiring table of contents unit i. Practical process control for engineers and technicians wolfgang altmann practical power systems protection les hewitson, mark brown and ben. There is a chasm between the theory of electron flow, magnetic fields and troubleshooting electrical equipment and control circuits in the plant. Electrical circuits are used for interconnecting different electrical devices together. Test electrical circuits onthevehicle quickly to determine if there is an electrical problem in the primary electrical system and what repairs are needed. Practical troubleshooting of electrical equipment and control circuit.

Control equipment, as the name implies are used only for controlling the power handled by the main power circuits and equipment and hence are designed relatively to handle lesser power than what is handled by power equipment and circuits. Oct 31, 2016 electrical maintenance troubleshooting electrical circuit our blog our facebook page this video uses electrical troubleshooting simulation software to teach you how to troubleshoot an electrical. Sometimes a circuit might develop some sort of a defect or fault and it is necessary to carry out electrical troubleshooting in such a case. The resistance you see will depend on the horsepower of the motor.

How to do electrical troubleshooting of electrical motor. It requires you to follow specific and systematic procedures. Troubleshooting control circuits tcc is the second simulation in our series. So in this article we will talk about troubleshooting electrical circuits and their components such as control circuit, power circuit etc. A load is a component in a circuit that converts electricity into light, heat, or mechanical motion. Schematic diagrams are used to troubleshoot and install control circuits. Electrical troubleshooting an electrical motor control circuit. Control circuits usually carry lower voltages than power circuits. At the end is just an example how our software uses realworld workorder system to track student while doing electrical troubleshooting.

At the end is just an example how our software uses real world workorder system to track student while doing electrical troubleshooting with our simulation software, and the detailed analysis report. An open circuit has zero amps of flow and no voltage drop at all. To develop a better understanding of various electrical equipment and control systems design, functionality and failure modes. 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. Jan 14, 2016 schematic diagrams show components in their electrical sequence without regard for physical location. Within the industrial troubleshooting realm today, electrical troubleshooting also requires great computer skills.

Electrical maintenance troubleshooting electrical circuit. Troubleshooting an open circuit faults in the control circuit. Wear appropriate protective clothing and equipment. Schematics are generally easier to read and understand than wiring diagrams. Objectives to understand the fundamentals of control circuits to understand types of control circuits to troubleshoot control circuits. 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. Practical troubleshooting of electrical equipment and control circuits focuses on the handson knowledge and rulesofthumb that will help engineers and employers by increasing knowledge and skills, leading to improved equipment. Your professionals will diagnose and repair a variety of faults in a simulated control circuit consisting of relays, pushbuttons, a control transformer, a solenoid lock, a proximity switch, and circuit protection. The included 32 page electrical troubleshooting pdf lab manual also provides more introduction to troubleshooting control circuits. In this context, we will study the electrical circuits and their construction, design, testing, operation, and maintenance.

Practical troubleshooting of electrical equipment pdf archive. Troubleshooting an electrical motor control circuit shut off the power to a circuit before performing any work on it. Practical troubleshooting of electrical equipment and control. A laptop computer with plc programming, communication, and operating programs are a. Electrical troubleshooting of an electrical motor control circuit never work on live circuits unless the proper safety equipment and procedures are in place. Practical troubleshooting of electrical equipment and control circuits by mark brown, jawahar rawtani, dinesh patil there is a large gap between what you learn in college and the practical knowhow demanded in the working environment, running and maintaining electrical equipment and control circuits. Oct 26, 2019 practical troubleshooting of electrical equipment and control circuits focuses on the handson knowledge and rules of thumb that will help engineers and employers by increasing knowledge and skills, leading to improved equipment productivity and reduced maintenance costs. Test the battery for state of charge and cranking power in 15 seconds. Troubleshooting electrical control circuits industrial wiki.

The software used in this video can be purchased here. Practical troubleshooting of electrical equipment and. Practical electrical equipment and installations in. It does this by increasing all delegates knowledge.