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Follow along in this classic case history of the systematic approach to problem solving. An electrical contractor visits a building manager at a high-tech manufacturing plant. |
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In many facilities, lighting can be a major operating cost. Determine whether it is cost effective to replace an entire system. In this case study, the plant engineer decided to compare units side-by-side. Read how he determined what to measure and how. |
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An electric utility engineer gets a call from the police department about a traffic light in the center of town was randomly manfunctioning. Armed with his Fluke 43B Power Quality Analyzer, the engineer was able to troubleshoot the problem and allow his customers to see a "picture" of the problem. |
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Harmonic currents flowing into a diesel generator cause random starting and stopping in a local town backwash pump system. . |
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Transformers create "chattering" noises in a school classroom. Find out how the school district electrician uses his clamp meter and 4Fluke 43B Power Quality Analyzer to measure and analyze the problem. |
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This case history involves the investigation of a utility transformer failure that occurred in a rural area surrounded mostly by farmland and open space. The failure occurred in a location where power quality problems are rare. |
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Find out how a supervisor of a motor rewind shop investigates a rash of failures at a small machine shop. . |
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An electrical contractor's engineer checks out a large transformer starts vibrating and buzzing loudly. Find out what measurements were taken, how they were analyzed and what solution was used. . |
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Preventative maintenance contracts are on the rise. Can you handle all of your electrical measurement needs? Learn more about using the right tools and how to build your business with the Fluke 430 Series Power Quality Analyzers. |
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A large commercial building had just finished an elevator equipment upgrade - but hadn't been able to bring the elevator back into normal operation. For some reason, whenever the emergency power generator was called on to supply energy, its protection circuit breaker would trip. |
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Read about a consultant who performed a site planning assessment survey for a proposed new server room. Measurements were taken and analyzed. Find out the how's and why's and what the conclusion was. |
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In this case, an industrial facility was having communication problems with a network hub. After exhausting all hardware and software options, they called in a consultant to find out whether it was a power quality problem. The consultant found more than expected. |
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Tired of multiple three-phase motor failures with no resolution, One facility manager works with an independant consultant on how to solve the problem. Walk through the steps of his complete power quality survey of the electrical distribution system feeding the motor. Find out how he solved the problem. . |
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During a routine job at a large industrial facility, an electrical maintenance worker set a plastic kit on top of a nearby transformer. By the time he reached back for it a few minutes later, it had started to melt! |
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Located just off the equator, Singapore is hot and humid all year round. A breakdown with a cooling system can spell big trouble for any facility owner. Ken G. Jung, executive director of QPM - Quality Power Management Pte Ltd, has strong views on finding the root of the cause to solve these problems effectively. |
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One on-site field engineer at a hospital reports getting a call from a very concerned nurse in the ER. One of their patients had died but the corpse still had a heartbeat! |
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Three-phase analyzers already measure power factor and trend power quality. Now they offer user-settable ratios for displaying readings as if you were measuring at the primary side of PTs and CTs. Find out how multi-purpose analyzers allow utility techs to offer more customer service in less time and quickly audit meters. |
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Maintenance electrical specialist, Mark Newport, walks you through an award-winning facility, the regional wasterwater treatment plant in Puget Sound, Washington. This site has been continuously updated since 1984. Read about the system details and how Mark installed electronic power factor correction units at multiple motor control centers. |
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Crystal Mountain Resort, in Washington, suffered catastrophic failure of two power filters associated with their chair lifts. Using four Var+Controls harmonic power filters, the electrical personnel at Crystal Mountain called in Bill McConnell with Var+Technologies, along with Vaughn DeCrausaz of Starboard Electric, to help troubleshoot the overall power system. |
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Stan Benoit, a CRES Radiology/Oncology Maintenance Supervisor for Geisinger Health System, is a 23-year veteran of medical electronics, but he was not an expert on power quality. Last year he acquired a Fluke 434 Power Quality Analyzer and started learning more. |
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New management at a ski resort in Colorado is disappointed with the snowmaking coverage and decides to bring in a team of electrical contractors, PQ specialists and Var+Technologies to investigate and find a solution. |
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Paul Swanson, a lead electrician at the Regional Justice Center for King County in Washington, gets to beta test the Fluke 345. Find out who the clamp meter was built for, how it works and why it works better than a digital multimeter. |
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Mac McArthur performs power quality studies for commercial, industrial, and redential clients. In this study he investigates a facility that makes corrugated paperboard. The transformer used was owned by the local utility and continued to fail because of thermal stress at only a 65 % load. |
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Service contractor, Mike Klingler, uses the Fluke 1735 Power Logger to measure energy consumed by a 200-to chiller. Clients want to reduce HVAC energy usage without increasing the temperature. |
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Using the Fluke 434 Power Quality Analyzer and the Ti30 Thermal Imager, Mike Gagne, coordinates all aspects of a marine research vessels' marine electronics, off-shore and on. |
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In industrial building experienced some tripping breakers in the subpanel feeding the second floor. Micheal Gipe, Fluke Power Electronics Engineer, installs a Fluke 1750 Power Recorder. Read what information was gathered, how it was analyzed and what the results were. |