1993 - 15^th Anniversary - 2008

    

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Power Quality training for Utility customer service Engineers

Review the basics of Power Quality parameters and the level of Power Quality in various countries in Asia and the USA. Includes typical costs of power quality events for many categories of sensitive customers. Understanding what 99.999999% reliability really means in electrical power. This session defines the various categories of Power Quality issues and parameters.

An overview of the worldwide standards for various elements of Power Quality. An indepth review of the EN50160 European Norm for utility power quality. A brief review of IEEE 519 harmonics standard.

A discussion of various safety markings and their impact on PQ sensitivities.

An in depth look at Equipment PQ standard from SEMI. (Semi 47-0200). How these standards can be used when ordering equipment to reduce the sensitivity to voltage sags. What is involved to test to this standard.

The regulatory body, the utility, the user and the equipment manufacturer all have different views of power quality. These views are both economic and technical. It takes cooperation of the all parties working together for long term solutions. The impact of deregulation on the cost and level of power quality available to the user.

A brief history of PQ monitoring technology and a brief review of the capabilities of the state of the art of power quality recorders. Market trends in Power Quality monitoring systems. The challenges of implementing a Power Quality metering system to validate a PQ performance contract, A review of the information that is available from the monitors and how it can be displayed. Understanding the various parameters of Power Quality and how they are measured and displayed. Examples of PQ disturbances of each type of PQ parameter.

The fundamentals of current and voltage harmonics in the electrical system. The practical perspective on sources of harmonics, measuring of harmonics, world standards for harmonics, determining when harmonics are a problem and selecting the most cost effective solution for harmonics.

Studying the effects of harmonics, the measurement of harmonics and the possible solutions to problem sites. A review of the various technologies of solutions for harmonics and their application.

Power Quality mitigation devices are available for all types of Power Quality situations. This session presents a cross section of the various technologies, manufacturers and point of use. An in depth look at the technology and economics of the various levels of PQ mitigation devices. General guidelines for selecting the most cost-effective solutions are discussed.

The fundamentals of reducing the sensitivity of loads to voltage sags and voltage transients. Each general type of load is discussed and the most sensitive subsystems or components in the load. Options of methods of reducing the sensitivity of these systems to voltage sags and transients. The testing that can be done on equipment to determine its sensitivity. The trade off desensitizing the load vs mitigation systems.

Examples of solving actual power quality problems, around the world. Each example, investigates a different aspect of Power Quality and the selected solution.

Using the RPM instruments to evaluate the sites, these case studies give the details of the PQ situation and the report to the customers. Available solutions are discussed in depth and a recommendation for the most cost effective solution is recommended.

Meeting and discussing Power Quality problems with large users. Students are presented a detailed form to fill out as a part of a customer site visit. A practical example from the PQI case study fill is used for the students to practice. As time permits a role playing session where the students are divided into pairs. One pair represents the user and the second the utility. Interviews are conducted and the data collected to provide the basis of a course of action.

The data is applied to the forms and the group then decides on a course of action. This course of action is then role played with the pairs reversing roles.

2 day PQ site survey and workshop with the two day course.

Either a friendly customer of the utility or a utility facility is needed for this day. Day 2 will follow day one of the lecture and will involve a site walk through and installation of a PQ monitoring instrument.

Analyze the data, prepare a report for the customer and present the report to the customer or utility manager.

Note: All sessions are scheduled at 45 minutes of presentation and 10 minutes of discussion time. The course can be customized to meet specific needs.