Today’sWebcaststartsat1:00p.m.Eastern....Oct 31, 2013 · Electrical Power Distribution Equipment...
Transcript of Today’sWebcaststartsat1:00p.m.Eastern....Oct 31, 2013 · Electrical Power Distribution Equipment...
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Today’s Webcast starts at 1:00 p.m. Eastern. You will not hear audio un=l the Webcast begins
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Today's Moderator
Dan Hounsell Editor
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Today's Presenter
Frank Waterer
Electrical Engineer and Fellow, Power Systems Engineering Group,
Schneider Electric
Frank received the BSEE degree from the University of Houston in 1980. Before joining Square D in 1988, Frank was a private consultant and a staff engineer with Duke University. He is an Engineering Fellow with Schneider Electric's Power Systems Engineering group and a member of the IEEE Industry ApplicaMons Society and of the IEEE Power and Energy Society. Frank also is the former chairman of IEEE/PES CommiPee 3.0 responsible for all IEEE Standards relaMng to surge-‐protecMve devices and their connecMons and grounding.
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Disclosure:
Today’s presenter is currently employed by Schneider Electric, which manufactures the technology referenced in this
presenta=on.
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Learning Objec=ves:
• Understanding the true cost of ignoring maintenance and tesMng
• Learning about maintenance and tesMng protocols
• Assessing equipment for program needs
• Ensuring qualified personnel and understanding when to outsource
• Reviewing steps to program outage planning
• Analyzing test results, fixed-‐cost maintenance and tesMng plans.
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To ask ques=ons: Please use the ques=on and answer panel on the right-‐hand side of
the screen, and send to all panelists.
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Polling Ques=ons Today’s event will include a series of mul=ple-‐choice polling
ques=ons. Your par=cipa=on is appreciated.
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Presenta=on Handouts All par=cipants will receive an e-‐mail by the end of the day with a
link to download a PDF copy of today’s presenta=on slides.
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CEU Informa=on
Trade Press Media Group has been accredited as an authorized Provider by the Interna=onal Associa=on for Con=nuing Educa=on and Training (IACET), 1760 Old Meadow Road, Suite 500, McLean VA
22102; (703) 506-‐3275
To successfully earn 0.1 CEUs, you must a`end the en=re webcast and earn a 70% or higher on the assessment.
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Maintenance and Testing Best Practices Presented by:
S. Frank Waterer, Electrical Engineer - Fellow Schneider Electric Engineering Services
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Topics covered:
• The cost of ignoring maintenance and testing
• Recommended steps to an effective electrical preventive maintenance program:
- Assess the exact present state of the electrical power ditribution system - Appropriate and proper maintenance and testing protocols - Planning for outages
• Considerations for outsourcing - Is in-house staff “qualified”, as defined by NFPA 70E? - Do electrical contractors or service companies have the capability to make corrective recommendations for issues that may arise?
• Code and regulatory compliance requirements - Multi-year service plans help facilities comply with industry standards. - Determining the best plan for your situation.
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The Cost of Ignoring Maintenance and Testing “A well-administered Electrical Preventive Maintenance program:
• Reduces accidents • Saves lives • Identifies impending troubles • Minimizes costly breakdowns and unplanned outages
Impending troubles can be identified, and solutions applied, before they become major problems requiring more expensive, time-consuming solutions.”
NFPA 70B-2013 Ed., Article 4.2.1
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Article 4.2.7 goes on to state:
“An Electrical Preventive Maintenance (EPM) program satisfies an important part of management’s responsibility for keeping costs down and production up.”
Having a preventive maintenance program in place can reduce the risk of unplanned downtime by as much as 66%. Source: IEEE
The Cost of Ignoring Maintenance and Testing
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Recommended Steps: Assess the Current State of the Electrical System
● An up-to-date one-line diagram of the electrical system provides clear and precise information concerning the exact interconnections of all electrical equipment.
● Due to modifications made to the electrical infrastructure, many facilities do not have current drawings.
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● A licensed professional electrical engineer should be contracted and commissioned to create and maintain current electrical one-line diagrams and equipment name plate data.
● Prior to initiating a preventive maintenance program, have a short circuit analyses, a time- current coordination study, and an arc flash analysis of all of the power distribution systems to ensure equipment is properly rated, set and labeled.
Recommended Steps: Assess the Current State of the Electrical System
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● A comprehensive preventive maintenance and testing program should incorporate detailed policies, procedures, and maintenance activities for the entire electrical power distribution system, regardless of the manufacturer.
● Obtain and maintain all of the operations and maintenance manuals that accompanied the original electrical equipment. - If not readily available, check online.
Recommended Steps: Maintenance and Testing Protocol
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Recommended Steps: Maintenance and Testing Protocol
Any specific maintenance of separate
pieces of electrical equipment does not
guarantee a completely coordinated and
reliable power distribution system as
intended and necessary.
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Recommended Steps: Maintenance and Testing Protocol The facility’s management needs to clearly communicate to the service provider:
• Which equipment is included in the maintenance program
• The specific order the electrical equipment should be removed from service for maintenance
• The detailed scope of work for each piece of equipment or component
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Recommended Steps: Maintenance and Testing Protocol Recommended items or equipment to Incorporate into a Preventive Maintenance Program:
● Monitoring equipment ● Metering equipment ● Protective relays ● Service-entrance switchgear ● Circuit breakers ● Switchboards ● Panelboards ● Motor control centers
● Transformers ● Automatic transfer switches ● UPS Systems ● Busway ● Optional Stand-by Generators and… ● Bonding & Grounding Systems (often overlooked)
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Polling Ques=ons Today’s event will include a series of mul=ple-‐choice polling
ques=ons. Please make your selec=on to the right of this screen.
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Recommended Steps: Planning for Outages
• With very FEW exceptions, electrical equipment should NOT be cleaned, inspected, maintained, serviced, or tested while it is energized.
• When planning for an outage, ‘critical’ equipment should be identified and scheduled, as noted earlier.
• Arrangements for temporary electrical power should be made, if needed.
• Above all, it is management’s responsibility for onsite safety, whether for in-house or third-party electrical workers.
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Considerations for Outsourcing ● Facility management needs to insure that electrical workers are
experienced in the specific equipment or system that is to be maintained.
● Very few companies have in-house staff who have the experience to service all of the electrical equipment within the facility’s electrical power system.
● Proposed third-party electrical providers should be thoroughly qualified by management. - An in-depth interview is suggested and applicable references obtained.
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Considerations for Outsourcing Personnel performing the maintenance activities need to be qualified as defined by OSHA and NFPA 70E.
Fundamental requirements include:
● Complete understanding of equipment, the required work scope and electrical hazards present.
● Proper use of protective equipment, tools, shielding, and test equipment as well as precautionary techniques.
● Discipline and decision making skills to determine risk and ability to maintain a safe work environment.
Photo Courtesy of Oberon
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Code and Regulatory Compliance Requirements
Regularly scheduled electrical preventive
maintenance helps companies meet the
requirements of OSHA, NFPA 70E and
other authorities having jurisdiction.
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Code and Regulatory Compliance Requirements Conditions exist that may warrant that preventive maintenance be performed more frequently than widely-published industry standards or the OEM’s recommendations. Examples include:
● Environmental conditions, including humidity, corrosive atmosphere, heat, dirt, or dust ● Equipment runs constantly or with heavy loads • Requirements of local authorities having jurisdiction
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Maintaining quality records of maintenance (and repair) activities support regulatory compliance as well as provide trending data.
● Helps identify potential problems to avoid equipment breakdown.
● Enables management to track costs of maintenance activities over time.
Code and Regulatory Compliance Requirements
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Fixed-costs service agreements are a growing trend to manage increasingly complex electrical power distribution systems or systems with multiple brands of equipment.
● In addition to meeting regulatory requirements, these plans offer the flexibility to customize a scope of work and term.
● A fixed-cost service plan avoids fluctuations to the maintenance budget
● Billing can usually be structured to provide a fixed > payment schedule.
Code and Regulatory Compliance Requirements
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Maintenance and Testing: Best Practices
Questions & Answers
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References ● National Fire Protection Association (NFPA) 70B, Recommended Practice for
Electrical Equipment Maintenance.
● National Fire Protection Association (NFPA) 70, National Electrical Code.
● National Electrical Manufacturer’s Association (NEMA) Standard AB4, Procedures for Verifying Field Inspections and Performance Verification of Molded-Case Circuit Breakers.
● National Electrical Testing Association (NETA), Maintenance Testing Specifications for Electrical Power Distribution Equipment and Systems.
● IEEE Standard 902-1998, IEEE Guide for Maintenance, Operation, and Safety of Industrial and Commercial Power Systems.
● IEEE Standard 142-2007, IEEE Recommended Practice for Grounding of Industrial and Commercial Power Systems.
● National Electrical Manufacturer’s Association (NEMA) Standard MG1.