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Audience
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Central Office Technicians and Managers, Power Provisioners.
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Delivery Mode
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This course is leader led. If presented at or near a Central Office location the students will receive demonstrations and hands on instruction.
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Overview
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This course provides the student with a working knowledge of the Central Office power plant, VRLA batteries and the equipment protection system.
The Job Aids supplied enable the student to identify problems in rectifiers, batteries and equipment grounding.
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Objectives
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Upon successful completion of the course the student will be able to:
- Understand the function and parts of the CO power system
- Identify rectifier and battery problems using a job aid
- Identify potential rectifier and battery problems
- Assess battery health using Ohmic testing
- Identify battery installation problems
- Understand function and parts of the equipment protection system
- Use a job aid to identify cabling and connection problems in the equipment protection system
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Course Documentation
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Each student receives the following:
- Book--VRLA Batteries, Installation and Maintenance for Operations Personnel
- Book--Assessing Battery Health Using Conductance Technology
- Job Aid--Power Area Inspection Checklist
- Job Aid--Grounding and Bonding Checklist
- Copies of slides
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Duration
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The course duration is 3 1/2 to 4 1/2 hours depending upon class size and location.
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Tuition and Enrollment
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For tuition cost and/or enrollment contact:
Al Hobbs
519-474-7588
hobbs.london@sympatico.ca
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Course Topics
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Overview of the power system
Rectifiers
- Function
- Features and Maintenance requirements
Flooded Batteries
- Construction and theory of operation
Sealed Batteries (VRLA)
- Construction and theory of operation
- Potential weaknesses
- Thermal runaway description and corrective action
- Maintenance requirements using course book documentation
- Safety requirements
Assessing Battery Health Using Conductance Testing
- Conductance theory
- Establishing reference number
- Cell and String Analysis
- Operating the Midtronics CTM100 Conductance Test Set
- Testing intercell connectors
Battery Installation and Removal
- Requirements
- Tests and acceptance
Fusing and Distribution
Site Power Book
- Suggested requirements
- Copies of Job Aids for inclusion in the book
Grounding
- Purpose of the protection system
- Parts of the protection system
- Ground Sources
- How the parts connect
- IBN and CBN configurations
- Bonding requirements for ground bars and equipment frames
- How to perform a ground audit using the Job Aid
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