fault tracing in industrial safety ppt

To ensure safety of life and apparatus against earth faults, it was felt necessary to prepare a code of practice for earthing. Distributed in the US by LUDECA, Inc. • www.ludeca.com Dynamic Unbalance m. S -m U ΙΙ → U. Ι → Dynamic unbalance is static and couple unbalance at the same time. The figure below shows the three types of symmetrical faults occurred due to the short circuit conditions, namely phase or line to ground (L-G) fault, phase to phase (L-L) fault and double line to ground (L-L-G) fault. It will evolve over time, especially based on input from the LinkedIn group Fault Detection and Diagnosis.. 1 – 8 This classification of fault diagnosis methods is shown in Figure 3. This has been designated as a pay-to-view presentation by the person who uploaded it. Once that root cause is found, it can then be resolved as quickly and efficiently as possible to help preserve quality. 427.22. It compares the incoming and outgoing current from the equipment along the circuit conductor. They can occur if a conductor is abraded or damaged and contacts metal siding, roofing, etc. The Fault Tree Analysis strategy is a failure analysis option that uses deductive reasoning in order to discover the root cause of an issue. Kinoshita et al. The effects of electrical faults mainly occur because of the following … National Safety Council, "Accident Prevention Manual for Industrial Operations, 7th Edition," Chicago, Illinois, 1974. Troubleshooting Electrical Faults. SAFETY: 8 SAFETY PRECAUTIONS The precautions. Familiarize yourself with the Electrical Hazards PowerPoint slides. Earth Overlap Test. SID. Overview and Basic Terminology. They are common to all metal melting operations and are not peculiar to induction melting. Types of Faults & Their Effects. Slates’ experience includes working for the Kentucky Occupational Safety Health Program and … In the mining domain, adding sensors and internet connectivity to vehicles, machinery and people is increasing mine safety, enhancing productivity, and improving our use of global natural resources. undergraduate courses safety, industrial hygiene and environmental health. A subsystem is likely to have failures that do not result in accidents. In practice, dynamic unbalance is the most common form of unbalance found. addressed. Fault between CT and the circuit breaker will not trip the feeder CB and fault current will continue to flow until cleared by back up protection. It is a guide for improving electrical safety and contains information about governmental Currents in Industrial and Commercial Power Systems Chapter 1 Introduction 1.1 Scope Electric power systems in industrial plants and commercial and institutional buildings are designed to serve loads in a safe and reliable manner. Cal/OSHA regulations on electrical safety require California employers to provide workers with a safe and healthful workplace. PPT-008-02. Maintenance of electric heat tracing systems shall conform to all IEC requirements for the use of electrical equipment and with the requirements of the relevant heat tracing standard, usually either IEC 62395 Electrical resistance trace heating systems for industrial and commercial applications or IEC 60079-30 Explosive atmospheres - electrical skilled trades and maintenance workers) and management on the requirements of Sub Part S, and the prevention Click Next. The fault Tracing concept helps to build up a concrete understanding of the cause and effect relationship for failure. Cable faults can be easily located if a sound cable runs along with the grounded cables. A system which has been shut down by safety features has not faulted. A ground fault is a type of fault in which the unintentional pathway of the straying electrical current flows directly to the earth (to the ground). Fault Tree, etc) 10/21/2011 7 Management of Change (MOC) Timing - Prior to non ‘replacement in kind’ change ... Microsoft PowerPoint - Introduction to Process Safety Principles.ppt [Compatibility Mode] Author: They are widely used in the manufacture of flexible and rigid foams, fibers, coatings such as paints and varnishes, and elastomers, and are increasingly used in the automobile industry, autobody repair, and building insulation materials. guards or other safety devices, resulting in exposure to hazards An employee is required to place any part of his/her body: – In contact with the point of operation – Into a danger zone of a machine operating cycle. This helps to train the people and equipment with the dos and don'ts then. An integrated SMS focuses on both the traditional OHS area and on management of engineering safety. b. “Electrical Safety in the Workplace” 2 Course Goal – The aim of this program is to provide comprehensive on-site training to high-risk workers (i.e. Faults and Faulting Geol341-342 Many diagrams are from Earth Structure, van der Pluijm and Marshak, 2004 2016 Topics Ch. One of the greatest pitfalls in fault hazard analysis (and in other techniques) is over precision in mathematical analysis. Too often, analysts try to obtain "exact" numbers from "inexact" data, and too much time may be spent o n improving preciseness of the analysis rather than on eliminating the hazards. Electrical powers system is growing in size and complexity in all sectors such as generation, transmission, distribution and load systems. Types of faults like short circuit condition in power system network results in severe economic losses and reduces the reliability of the electrical system. The connection on how a cable faults can be located using Murray loop test method is shown below. View What's New. Loss of SupplyTripped CB – Blown Fuse – Internal Fuse. Fault tracing explains how to trace faults with the status LEDs on the RETA-01 module. This code of practice is intended to serve as a consolidated guide to all those who are concerned with the design, installation, inspec­ Lecture 1: Introduction to Industrial Safety Engineering Lecture 2: Key concepts and terminologies Lecture 3: Key concepts and terminologies-Safety domain ontology Winner of the Standing Ovation Award for “Best PowerPoint Templates” from Presentations Magazine. Power supplies for medical applications. There are some safety and operational aspects that should be . His research interests include program evaluation, EHS management systems, safety culture, health disparities and exposure assessment. WAAS Qualitative Assessment #2 - A Mitigation for Fault Tree Issues #3 and #5. An activity to experience the effect of fault and to take the decision as which part of machine is at fault called as _____ . Industrial safety tips to help avoid electrical injuries. Accidents occur for many reasons. Eaton’s high-resistance grounding solutions allow for continuous operation and increased safety during fault conditions. Murray loop Test. SAFETY: 8 SAFETY PRECAUTIONS The precautions. Emerging technologies are changing the way centuries-old industries operate. And this concludes its free preview. A GFCI detects ground faults and interrupts the flow of electric current, and is designed to protect the worker by limiting the duration of an electrical shock. Machine Safety. 1.2 Safety Guidelines The safety and reliability of any heat-tracing system depends on proper design, installation and maintenance. Fault detection and diagnosis is a key component of many operations management automation systems. The following are offered as general precaution, applicable to the foundry and steel plant and cannot be constructed to cover all types of operations. Here, too, the circuit is "short," in that it has bypassed the circuit wiring, so a ground fault can technically be defined as one type of short circuit. A broad range of Instruments: Fault Finding resources are compiled in this industrial portal which provides information on manufacturers, distributors and service companies in the Instruments: Fault Finding industry. Terms used in this manual Communication Module Communication Module is a name for a device (e.g. 4 Trace Heating System Design • The design of electrical resistance trace heating ... malfunction or represent a safety hazard. What is a Fault Tree Analysis (FTA)? It is at this stage that you apply logic and reasoning to your observations to … Fault Tree Analysis - PowerPoint PPT Presentation. Electrical Code require ground-fault protection be provided for electric heat tracing . The purpose of this handbook is to identify electrical safety hazards and present ways to minimize or avoid their consequences. The NEC requires all heat tracing to be protected against ground faults with a couple of exceptions noted in Sec. It simply means that a person's behavior and attitudes, along with the culture of the workplace, are common elements which can influence or contribute to the cause of an accident. This test should be repeated after the thermal insulation and Connect the positive lead of the megger to the cable bus wires and the negative lead to the metallic braid. Classification of fault diagnosis methods is presented in this paper based on the contributions of various researchers. Industrial control panels consist of power circuits or control circuits (or both) which provide signals that direct the performance of machinery or equipment. But, they Make copies of handouts A) Electrical Safety and You, B)What All Students Need to Know about Electrical Safety, and C) Electrical Safety Scenario. For most industrial facilities these are about 15 % of the total system load. tracing cable is 20 megohms. 3.1.6 Primary and back up Protection The design of a protective system should include backup protection to allow for failures and for periodic This guide to fault detection and fault diagnosis is a work in progress. Part A (Chapters 2-3): general electrical safety at the workplace, including electrical installations, requirements for inspecting and testing electrical equipment, and requirements for residual current devices in certain high-risk environments Part B (Chapters 4-9): health and safety … This PowerPoint has been produced for public use by Resources Safety staff. This fault can occur if the car is being used only occasionally for short journeys, or for Start-Stop urban motoring. Ryan Bridges. These regulations are contained in Title 8 of the California Code of Regulations (T8CCR). Safety: Focus on the Three Cs. Murray Loop Test. However, in some cases, motors may be equipped with instantaneous ground trips set in the range of 1 to 5 amps, depending upon the current setting of the HRG system. Undercharging will occur if alternator voltage is low (13.6-13.8volts), the alternator belt is loose or battery cables are worn and causing high resistance – If in doubt seek advice from an auto electrician. Varley loop Test. 5180 Parkstone Drive Suite 260 Chantilly, VA 20151 (703) 378-8672 www.integrity-apps.com ... Microsoft PowerPoint - Introduction_to_Fault_Tree_Analysis.ppt Use barricade tape or other means to block off the area. The truth is, downtime is a reality in any corporate or manufacturing environment. • Help you find faults before real problems occur • Save you valuable time and money FLIR Systems offers a wide range of thermal imaging cameras. EXPLANATION -. The fault tree diagram for this system includes two input events connected to an OR gate which is the output event or the "top event"). If the top event is system failure and the two input events are component failures, then this fault tree indicates that the failure of A or B causes the system to fail. While industrial safety is vital in any automotive operation, it’s often viewed as a costly burden, at … The Ground Fault Circuit Interrupter is a safety device to prevent an electrical accident when any faulty tool is plugged in. Ground faults are a well-known example [[30] ][[31] ]. Fault Tree Analysis is a diagrammatical representation of different causes of system failure. 2. There is big a difference between the ground-fault circuit interrupters (GFCIs) that are used for personnel and equipment protection. A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. Where wire braid is used, copper is required for ease of handling and ground fault capacity. When does LOTO need to be used Generally, normal production operations are not covered by the LOTO standard. Often these loads are lighting circuits which could be replaced with low-voltage LED lighting. Define Problem Area. Our qualified NFPA 70E, IEEE-registered experts can perform a detailed inspection of your plant or facility, regardless of size or location throughout North America. Electrician Training - A Systematic Approach to Trouble shooting and Electrical Fault Finding By Warren Rhude, president of Simutech Multimedia Inc. To expertly troubleshoot electrical equipment, problems must be solved by replacing only defective equipment or components in the least amount of time. Covers effective dates … Notes 1 See Page 3 for trace heater types and references for approvals. In the Add Failed Request Tracing Rule wizard, on the Specify Content to Trace page, select All content (*). Safety Laser Scanners. • Help you find faults before real problems occur • Save you valuable time and money FLIR Systems offers a wide range of thermal imaging cameras. 52 slides. Whether you use thermal imaging for an inspection of large industrial installations or for an inspection of a fuse box in a domestic residence, FLIR will have just the right thermal imaging Fault diagnosis methods are broadly classified into three main categories: model-based, hardware-based and history-based. For further resources, why not check out our video support library and our electrical testing & electrical safety blog. 427.22. a fieldbus These devices shut off the electricity flow in the event of an overload or ground-fault in the circuit. NFPA 70E: Standard for Electrical Safety in the Workplace. Notes 1 See Page 3 for trace heater types and references for approvals. Ground fault circuit interrupter Lockout device Preparing to teach this lesson Before you present this lesson: 1. If you do not see what you are looking for, Ask an Expert . 8 • Faults on outcrop, maps, and cross sections • Fault zones and fault rocks • Types of faults and terminology • Slip vs. separation • Faults in wells • Fault propagation Terminology Hanging wall Foot wall safety training is provided; the ultimate responsibility lies with the worker. Electrical Code require ground-fault protection be provided for electric heat tracing . A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave. Welcome to the most trusted and comprehensive Instruments: Fault Finding directory on the Internet. Designed to be easy to use and implement, developed to protect personnel and equipment from accident and injury, and built to perform reliably in challenging environments, our comprehensive collection of machine safety products provide the highest levels of safety without compromising productivity. Fault tree analysis is one analytical technique for tracing the events which could contribute. Fault tree analysis. Fault tree analysis ( FTA) is a top-down, deductive failure analysis in which an undesired state of a system is analyzed using Boolean logic to combine a series of lower-level events. This analysis method is mainly used in the fields of safety engineering and reliability engineering to understand how systems can fail,... The following are offered as general precaution, applicable to the foundry and steel plant and cannot be constructed to cover all types of operations. IIoT in Mining A "GFCI" is a ground fault circuit interrupter that is designed to protect people from severe and sometimes fatal electrical shock. Such devices automatically interrupt power when a ground Notes 1. This type of device is important because there are many gases that can be harmful to organic life, such as humans or animals. 2. Electrical safety for ungrounded power supplies (IT systems) Ground-fault monitoring equipment, Ground-fault location systems. Presentation delivered at the TRAM conference in 2008. However, it's still not something people often think about when actually doing the work that risks so much injury in such a substantial way. The content has been approved for external presentation by the Director Mines Safety and Manager Safety Communications, and must not to be amended without their permission. If you are looking for something specific, don’t hesitate to contact us. Free Electrical Videos. Industrial work is somewhat known for its risk for injury. 1. ing stations, substations, industrial locations, buildings, etc, in the country. They are common to all metal melting operations and are not peculiar to induction melting. Fault tree analysis (FTA) is a top-down, deductive failure analysis in which an undesired state of a system is analyzed using Boolean logic to combine a series of lower-level events. quickly identify a fault and isolate it so the balance of the system continue to run ... P3004.8 Recommended Practice for Motor Protection in Industrial and Commercial Power Systems Balloted ... UL 1558 –1999 UL Standard for Safety- Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear. Whether you use thermal imaging for an inspection of large industrial installations or for an inspection of a fuse box in a domestic residence, FLIR will have just the right thermal imaging Here are a collection of free electrical safety PowerPoint's you can use for your training events. Use them at your discretion. Exceptions for large scale fire/fault condition testing Concepts for Protecting Energy Systems NFPA 550: Guide to the Fire Safety Concepts Tree 24 Listed ESS BMS and compatible equipment Proper installation Ventilation, as needed Fire-resistive separation Suppression and control Array spacing and MAQs Location in building or on property Signage [ [32] ] documented that only 5 A was required for ignition when a 3-conductor, PVC-insulated cable contacted a galvanized iron roof. Make a note of the people involved that will need to be interviewed later. ©2011 PRÜFTECHNIK Condition Monitoring – Machinery Fault Diagnosis. In most industries people tend to look for "things" to blame when an accident happens, because it's easier than … Electric Power Generation, Transmission, and Distribution and Electrical Protective Equipment – Final Rule. This course is designed to provide basic electrical skills to those who need to perform first-line electrical maintenance tasks including the safe isolation, replacement and testing of a range of common electrical devices (motors, sensors, heating elements, solenoids, etc.) Incorrect handling, installa-tion, or maintenance of any of the system com-ponents can cause underheating or overheating of the pipe or damage to the heating cable system and may result in system failure, electric Throat-style metal detectors that can be integrated with Vertical Form Fill and Seal processes and equipment to inspect free-falling product in-flight. MCQs of Fault tracing. Isocyanates are a family of highly reactive, low molecular weight chemicals. This presentation covers changes to the 2015 edition. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Following are the types of loop tests. Electrical faults are the bane of existence for every maintenance and trades professional in the industrial world. 2. All failures cause faults; not all faults are caused by failures. Electrical protective devices are meant to function in the circuit before they can contribute a shock hazard. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. Outlined here, are well known to Melt Shop people. Whenever an undesirable event occurs in an organization, you need to analyze its origin with the help of Fault Tree Analysis.You can check the system's reliability while stepping across a series of events in a logical manner. Fault Management for System Safety: Introduction to Fault Tree Analysis Guest Lecture SYST 460/560: Michael Scher 7 December 2009. WAAS Safety Assurance Process for PHMI Fault Tree Issue Resolution. Tracking all of these in the System Safety Program (SSP) is a costly, inefficient process. End of Pay-to-View Presentation Preview X. Currents in Industrial and Commercial Power Systems Chapter 1 Introduction 1.1 Scope Electric power systems in industrial plants and commercial and institutional buildings are designed to serve loads in a safe and reliable manner. The Fault Hazard analysis has some serious limitations. Outlined here, are well known to Melt Shop people. All electrical heat tracers shall be protected by a continuous metal sheath, wire braid, or cover which is to be grounded. One of the real hazards with an ungrounded system is the occurrence of a second ground fault. Include fuses, circuit breakers, and ground-fault circuit interrupters (GFCI). III Fault tracing 6 2 2 6 10 IV Periodic and preventive maintenance 10 3 3 8 14 V Industrial safety 5 3 3 3 9 VI Recovery, reconditioning and retrofitting 5 2 3 4 9 VII Installation, erection and commissioning of equipments 4 2 3 2 7 Total 42 19 22 29 70 Much head scratching and creative use of language has been employed to solve electrical faults over the years! It is a fast acting circuit breaker to shut down the supply when the earth fault occurs within 1/40th of a second. Potential cause: 1.Overload (time to trip or blow will determine the likelihood) 2.Earth Fault (does it re-engage) 3.Faulty device (is it operating functionally – opens and closes) 4.Dead Short – in real terms this could trip a circuit breaker for the circuit. Safety laser scanners provide a laser safety solution for safeguarding mobile vehicles and stationary applications, such as the interior of robotic work cells that cannot be solved by other safeguarding solutions. 4 Trace Heating System Design • The design of electrical resistance trace heating ... malfunction or represent a safety hazard. Detection of all Metal Types. Technical data contains information on physical dimensions, configurable settings and connectors of the module and the specification of the Ethernet link. The previous example is the reason GFCI (ground fault cur-rent interrupters) are required by the National Electrical Code in wet locations. The following safety items shall be included in the design of electric heat- tracing systems: a. The human factor is part of every accident or injury. from all possible fault conditions, but many requirements have been established to provide fundamental levels of user safety. Products. quickly identify a fault and isolate it so the balance of the system continue to run ... P3004.8 Recommended Practice for Motor Protection in Industrial and Commercial Power Systems Balloted ... UL 1558 –1999 UL Standard for Safety- Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear. Cable Fault Finding Guide. Measuring and monitoring relays. Safeline Gravity Fall metal detector systems inspect bulk, free falling fine powdered and granular products in food production and non-food applications. It can be used in accident investigation and in a detailed hazard assessment. • FAILURE We offer you first-class quality and safety combined with global service and every support in resolving your monitoring problems. This mechanism is that boost and prepares us for the survival point of time in the condition of breakdown. Most of the electrical health and safety regulations can be found in T8CCR, Chapter 4, Subchapter 5 in the Electrical Safety Safety Design Considerations. This column appeared in the July 2006 issue of Occupational Health & Safety. Free Electrical Safety PowerPoints. in a safe and effective … Neutral voltage is elevated during a ground fault and, for safety, line-to-neutral loads must not be served by an HRG system. powershow. There is big a difference between the ground-fault circuit interrupters (GFCIs) that are used for personnel and equipment protection. Ground fault relaying: A. Ungrounded or high resistance grounded (HRG) systems alarm, but do not trip for ground faults; and, consequently, ground fault coordination does not apply. Provides ground fault detection and control of transient overvoltages during a single-phase to ground fault on an ungrounded system, thus minimizing the possibility of insulation failure in motors, transformers, power cables and electronic equipment. Since 1996, Powerpoint Engineering Ltd. have been supplying the market with Substation Test Equipment,Substation Safety Equipment, Lockout Tagout Safety Equipment, Arc Flash Protection, Electrical Test Instruments, Cable Testing & Fault Location, Cable Jointing & Tooling, Power Quality & Energy Monitoring, Thermal Imaging Cameras and PAT Testers.

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