Bank’s High 9’s Infrastructure Saved from Disaster

The power system for this major NYC bank providing nationwide credit card and other financial transactions appeared to be performing satisfactorily. Fortunately, the proactive monitoring approach employed in this facility identified a power quality trend that could have caused a catastrophic failure. Non-symmetrical waveforms rich with even order harmonics indicate a problem in the powerContinue reading “Bank’s High 9’s Infrastructure Saved from Disaster”

PQSynergy™ Papers 2015

PQSynergy™ is an international forum to share experiences, requirements, questions, information, customer requirements, problems and solutions in the fast growth area of quality of supply requirements of sensitive loads, energy conservation and management and power quality monitoring and solutions.  For more information, you can visit the website: www.pqsynergy.com View and download papers: PQSynergyTM Papers Publishers EffectContinue reading “PQSynergy™ Papers 2015”

24/7 Customer Service Center

In 2000, DHL Airways opened a new 24/7 customer service center to support its US customer base. To maximize uptime and ensure high reliability, a redundant UPS system was installed, protecting both the supply and the facility loads. Integral to the facility design was the Signature System power monitoring system from Dranetz-BMI installed on theContinue reading “24/7 Customer Service Center”

PQSynergy™ Papers 2014

PQSynergy™ is an international forum to share experiences, requirements, questions, information, customer requirements, problems and solutions in the fast growth area of quality of supply requirements of sensitive loads, energy conservation and management and power quality monitoring and solutions.  For more information, you can visit the website: www.pqsynergy.com View and download papers: PQSynergyTM Papers Publishers AnContinue reading “PQSynergy™ Papers 2014”

PQSynergy™ Papers 2012

PQSynergy™ is an international forum to share experiences, requirements, questions, information, customer requirements, problems and solutions in the fast growth area of quality of supply requirements of sensitive loads, energy conservation and management and power quality monitoring and solutions. For more information, you can visit the website: www.pqsynergy.com View and download papers: PQSynergyTM Papers Publishers AdvancedContinue reading “PQSynergy™ Papers 2012”

Loose Bus Bar Bolts Cause Sags

An administration building in a government complex in New Jersey had a transformer with a 4KV primary, 120/208V wye, 800A secondary. The buss duct ran up to a second-floor panel, which supplied an office area. Computer misoperations and lights flickering were occurring randomly for nearly two years. Emergency lighting was also flickering. Three voltages andContinue reading “Loose Bus Bar Bolts Cause Sags”

PQSIM 200™

A Power Practitioner™ Training Tool “A dedicated AC generator that produces voltage and current waveforms of the most common Power Quality disturbances” PQSIM 200™ was designed by Power Quality Experts with 30 years’ experience testing and documenting Power Quality. The PQSIM 200™ provides the user with the capability to select PQ events and their magnitudeContinue reading “PQSIM 200™”

Textile Industry Evaluation

Despite their differences, continuous-process industries share underlying characteristics: they maintain continuous operations in facilities that represent substantial start-up costs and time but can be interrupted or disrupted by seemingly minor fluctuations in power quality. If the product stream is disrupted, lost productivity and lost product can create a large financial burden. For example, a voltageContinue reading “Textile Industry Evaluation”

Thumping Sounds in the Closet

Elevator control panels for the lower zone mid-rise elevators were on the nineteenth floor of a forty-story office building in a large midwestern city. It was fed with 480V transformer on the same floor, with the feeders to the controls rated at 800A. Excessive noise and vibration of the feeder wires and conduit were noticedContinue reading “Thumping Sounds in the Closet”

Power Monitoring Products PQ3K & PQ5K

The PQ3K and PQ5K are cost effective meters that combine general purpose PQ detection (with waveform recording) and full 4 quadrant energy monitoring in one instrument. Wide-ranging applications include utility, facility, manufacturing, petrochemical, mission critical and more. The PQ3K is housed in a 144mm x 144mm panel mounted enclosure that includes a high-resolution color TFT display. The PQ5K isContinue reading “Power Monitoring Products PQ3K & PQ5K”