Application Expertise

Water and Wastewater Industry
Application Expertise

Reliable Power Distribution Reliable power distribution is critical to the safe operation of water and wastewater treatment facilities. This loss of power to critical loads can result in raw sewage being dumped in streams, rivers and lakes, forcing residents to boil water. >Click here to view; right-click to download.

Reducing Energy Usage In Water And Wastewater Facilities Energy action plans, power monitoring, and data monitoring help determine where energy is being used, leading to significant energy and cost savings. >Click here to view; right-click to download.

Power Monitoring System Can Reduce Costs for Treatment Facilities The PowerLogic monitoring system adds efficiencies to troubleshooting, planning, accounting and daily operations which can lead to reductions in labor, costs and downtime for various departments within a treatment facility. >Click here to view; right-click to download.

Weighing Redundancy Do you need a backup for your plant automation system? The first step is to ask whether it is needed at all. There are several factors to examine before making the decision. >Click here to view; right-click to download.

Energy Management: Helping municipalities gain a better understanding of their energy consumption This Q&A article addresses such topics as rising infrastructure demands, decreasing resources and how municipalities are looking for cost-saving measures, particularly with respect to operating costs. >Click here to view; right-click to download.

Water/wastewater: Achieving the Three Levels of Redundancy When examining an automation system's design, properly understanding the three levels of redundancy can help users maximize system reliability and minimize system costs. >Click here to view; right-click to download.

Security Issues to Impact Future of Pump Station Monitoring After 9/11, the Homeland Security Department (HSD) and the Environmental Protection Agency (EPA) established new guidelines for protecting the nation's water. In response, The EPA created 14 features of an effective water security program. >Click here to view; right-click to download.

Introduction to Industrial Ethernet in Water Facilities Ethernet's simple and reliable design has made it the most common networking platform used for general purpose office networks. This same popularity has driven the cost of Ethernet hardware down, making it even more attractive for use as an industrial networking solution at water facilities. >Click here to view; right-click to download.

Common Pitfalls of a Redundant System Design These important tips will help water and wastewater treatment professionals avoid some of the pitfalls that can sabotage the development of a redundant system. >Click here to view; right-click to download.

Protecting The Environment In Water And Wastewater Treatment Facilities The use of device level networks, compliance with the RoHS initiative, and understanding the potential dangers of lithium batteries can help facilities be more environmentally friendly. >Click here to view; right-click to download.

Power System Harmonic Fundamental Considerations This paper provides an overview of harmonic considerations for designing industrial and commercial electric power distribution systems. >Click here to view; right-click to download.

Assessing the Hidden Dangers in Your Industrial Control Panels Industrial control panels are the backbone of today’s water and wastewater treatment plants. Traditionally, industrial control panel design depended on several different articles in the National Electrical Code® (NEC). This resulted in confusion and disagreements. In 2005, NEC 409 was introduced to address this confusion. >Click here to view; right-click to download.

Stop! Don't Use That Part Frightening trends in counterfeiting, cloning, and reconditioning can jeopardize a water or wastewater plant’s reliability, putting facilities’ personnel at risk of harm, or death. It’s important to be aware of these hazards when dealing with electrical suppliers. >Click here to view; right-click to download.

Protective Relaying for Water and Wastewater Treatment Plants The effects of faults and abnormal conditions in electrical power systems can be severe. Hence, protective relay systems must be designed carefully with the ability to protect against the worst possible fault conditions. >Click here to view; right-click to download.

Comparison of MV and LV Adjustable Speed Drive Retrofits for Water and Wastewater Facilities Traditional power system design suggests that the motor crossover from low voltage to medium voltage is in the 200 to 500 HP range. Adjustable speed drives may have increased the upper limit of the crossover. >Click here to view; right-click to download.

Planning for Automation System Upgrades: Total Replacement versus Phased Migration This WaterWorld front-page editorial explains how municipalities can choose between a complete, phased or partial migration. This flexibility allows municipalities to evaluate the scope and cost of their migration project and better manage it to fit their maintenance schedule, downtime and budget. >Click here to view; right-click to download.

A Comparison of Circuit Breakers and Fuses for Low-Voltage Applications A feature-by-feature comparison of the merits of circuit breakers vs. fuses on low-voltage systems operating at 600 V or below. >Click here to view; right-click to download.

Simple Mistakes Lead To Harmonic Distortion Problems In Water Treatment Plant An overview of the causes of harmonic distortion and recommended solutions in ozone treatment applications. >Click here to view; right-click to download.

Electrical Equipment and Components in Adverse/Corrosive Environments The information in this bulletin reminds users of environmental restrictions for the installation of electrical equipment and components in a corrosive environment. >Click here to view; right-click to download.

Loading Considerations When Paralleling Transformers Loading considerations for paralleling transformers are simple unless kVA, percent impedances, or ratios are different. >Click here to view; right-click to download.

Generator Loading, Harmonics Monitoring and Mitigating Analysis in a Water Treatment Plant The use of harmonic simulations to estimate the reduction in harmonic current that could be achieved byspecific modifications. >Click here to view; right-click to download.

Simple Mistakes Lead to Harmonic Distortion Problems in Water Treatment Plant This paper offers simple calculation methods to predict problems in advance and outlines solution options to reduce operating problems in a WWT facility. >Click here to view; right-click to download.

Impact Of Instruments, Sensors, & Switches On an Automation System An overview of proper control system interface and instrument selection. >Click here to view; right-click to download.

VFDs can Help Reduce Aeration Basin Energy Costs This WATERWORLD editorial explains how a properly balanced aeration basin control scheme using variable frequency drives to control the blowers can help achieve considerable energy savings. >Click here to view; right-click to download.

Well-conceived Energy Action Plans Can Mean Significant Savings in Cost and Energy Use Energy Action Plans facilitate optimum performance while controlling costs and maintaining production. >Click here to view; right-click to download.

Power System Harmonic Mitigation for Water and Wastewater Treatment Plants This paper reviews the nature and sources of harmonics for water and wastewater treatment plants. >Click here to view; right-click to download.

Arc Flash in the Water/Wastewater Industry: No Longer an Emerging Issue While water treatment and wastewater treatment facilities have sometimes been viewed as being outside the requirements of new arc flash standards, this perception is rapidly changing. >Click here to view; right-click to download.

Soft-Start Controller with Torque Control can Reduce Water Hammer, Maintenance Costs This article outlines the use of a torque-controlled soft-start controller for pump motors to reduce the severity of water hammer during pump cycling. >Click here to view; right-click to download.