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WEBINAR CD-ROM — Managing Energy in Ventilation Systems: Variable Frequency Drives (VFDs) ACGIH® Publication #WB-011     $325.00 (members get additional 10% off!) ISBN: 978-1-607260-00-4  Copyright © 2008   About this product: Ventilation systems are inefficient by nature. Over 40% of the horsepower (HP) in most plants is expended on powering fans and pumps. In ventilation systems for large buildings, variable frequency drives (VFDs) on fans will save energy by allowing the volume of air moved to match the system demand. Current VFD costs have decreased in recent years to a point where they can be incorporated into almost all ventilation designs. They also have flexibility of control and offer considerable electrical energy savings through greatly reduced electric bills. VFDs also have special requirements to provide stable operation and to maximize energy savings potential. This webinar provides key information regarding the use of VFDs as well as how they work to reduce plant operating costs. Practical examples are demonstrated during the webinar. The presentation follows the following outline: Energy Costs in Ventilation Design – Horsepower Formula Volume and Pressure for System Operation Basic System Pressure Calculations Components of system resistance Effects of density on system operation System static pressure curve Basic Fan Curve Effects of changes in fan speed Effects of changes in density Horsepower curve Where to operate on fan curve Changing Fan and System Curves Operation at intersection Changing system curve with pressure (outlet dampers) Changing fan curves with dampers (inlet dampers) Changing fan speed (drive changes and VFDs) Operation of a VFD Method Effects on changes to HP System Goals Constant volume Variable volume (central plenum) Potential for Bad Fan Performance Operating point on curve Change in density Change in flow or pressure requirements How to Proceed Know your fan and system curves Understand how they may change during operation Manage density After participating in this webinar, attendees will be better able to understand: How the use of variable speed systems can help a large building save energy How VFDs can be used for improved system reliability and system life How system and fan curves interact The system curve in a variable pressure system How air density affects fan and system curves System Requirements: Windows 2000, 2003, XP or Vista Intel x86 (Pentium 400MHZ +) or compatible processor 128 MB or greater RAM Sound Card Also Available: WEBINAR CD-ROM – ACGIH® Heat Stress and Strain TLV®: Information for 2006 WEBINAR CD-ROM – ACGIH® TLVs®: Practical Applications in the Workplace WEBINAR CD-ROM – Biological Hazards in the Workplace: Defining Endotoxins WEBINAR CD-ROM – Biomonitoring: Development and Practical Application of Guidance Values WEBINAR CD-ROM – Control Banding: Uses and Misuses WEBINAR CD-ROM – Demonstrating the Value of Your EH&S Program in Tough Economic Times WEBINAR CD-ROM – Derived No Effect Levels (DNELs): What Are They and How Will They Change the Occupational Health (OEL) Landscape? 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WEBINAR TEST — The EH&S Professional’s Role in Emergency Response and Planning WEBINAR TEST — Ethical EH&S: Effective Implementation of Corporate Social Responsibility in the Global Economy WEBINAR TEST — Explosive Dusts in Industrial Ventilation Systems WEBINAR TEST – Industrial Ventilation Systems: Energy Savings and Cost Estimation WEBINAR TEST – Managing Energy in Ventilation Systems: Variable Frequency Drives (VFDs) WEBINAR TEST – Nanotechnology Health and Safety: Case Studies in the Occupational Setting WEBINAR TEST – Pandemic Influenza: Minimizing Risk and Preparing for the Possibilities WEBINAR TEST – Polycyclic Aromatic Hydrocarbons (PAHs): Controlling Exposure Using Biological Monitoring WEBINAR TEST – TLVs® and Adjustments due to Worker Conditions WEBINAR TEST – TLVs® and Adjustments due to Workplace Conditions Qty:

Categories: - Computer Resources - Distance Learning - Workplace Controls

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