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CERTS – New DOE Prog in Elec. Reliability

The Consortium for Electric Reliability Technology Solutions (CERTS) has been tasked by DOE to undertake a major new $2.5 million program in electric power system reliability research and technology development. (Congress re-established a budget for Transmission Reliability research in FY 1999, in DOE’s newly renamed “Office of Power Technologies” (OPT), formerly called the Office of Utility Technologies, under Deputy Assistant Secretary, Dan Adamson.)

The members of CERTS include:
Lawrence Berkeley National Laboratory (LBNL)
Edison Technology Solutions (ETS)
Oak Ridge National Laboratory (ORNL)
Pacific Northwest National Laboratory (PNNL)
Power Systems Engineering Research Center (PSERC)
Sandia National Laboratories (SNL).
The program is an important element in DOE_s response to the recommendations and findings of the SEAB Task Force on Electric System Reliability final report. (See UFTO Note, Oct 8, 1998, or go to: http://www.hr.doe.gov/seab.)

PSERC is a group of universities that have formed a cross-disciplinary team dedicated to solving the challenges arising from power system restructuring. It’s worth a visit to their website at: http://www.pserc.wisc.edu.

CERTS organizers are committed to a high degree of involvement by stakeholders. In particular, there will be a Technical Advisory Committee (see below), and numerous opportunities to participate in the research itself. A website is in preparation to provide public access to program details and developments.

KEY CONTACTS:

Joe Eto, LBNL, Program Office Manager for the Consortium
jheto@lbl.gov, 510-486-7284

Phil Overholt, DOE/OPT, T&D Reliability Program Manager
philip.overholt@ee.doe.gov, 202-586-8110

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Introduction and Overview–(excerpted from CERTS proposal)

The U.S. electric power system is in transition from one that has been centrally planned and controlled to one that will be increasingly dependent on competitive market forces to determine its operation and expansion. Unique features of electric power, including the need to match supply and demand in real-time, the interconnected networks over which power flows, and the rapid propagation of disturbances throughout the grid pose unique challenges that are likely to be exacerbated in the future. As the physical events of 1996 and the market events of 1998 demonstrate, the reliability of the grid and the integrity of the markets it supports are integral to the economic well-being of the nation.

The Consortium for Electric Reliability Technology Solutions (CERTS) was formed to develop and commercialize new methods, tools, and technologies to protect and enhance the reliability of the U.S. electric power system under the emerging competitive electricity market structure.

CERTS organizes its activities under four major areas: (1) Reliability Technology Issues and Needs Assessment; (2) Real Time System Control; (3) Integration of Distributed Technologies; and (4) Reliability and Markets. The first area encompasses strategic planning; the remaining three areas involve research and technology development. (See individual projects described below).

CERTS Organization

LBNL operates a Program Office for CERTS with day-to-day responsibilities for managing CERTS projects and activities acting under direction from the Management Steering Committee.

ETS operates a Commercialization Office for CERTS with responsibilities for preparing commercialization plans and, when appropriate, implementing commercialization activities for CERTS projects and activities.

CERTS is also working with DOE to create a Technical Advisory Committee, consisting of 10+ industry stakeholders and experts to review the activities of the consortium and provide guidance on research direction.

FY 99 activities for DOE include work in five areas

1. Grid of the Future

The first year of a two year planning study to identify emerging gaps in reliability technology R&D. In the first year, CERTS will lay the groundwork for the development of a federal R&D roadmap by preparing six white papers, which will be the basis for industry-wide stakeholder workshops on: (1) alternative scenarios for the future of the electric power system, including a detailed articulation of the technological assumptions underlying each of these futures; (2) assessment of the technology and control R&D needs for widespread integration of distributed resources; (3) recent reliability issues review, including in-depth analysis of technological and institutional aspects of recent reliability events (e.g., summer 1996 WSCC events; winter 1997 northeast ice storms; winter 1998 San Francisco outage, etc.); (4) review and assessment of the current structure of U.S. bulk power markets and provision of reliability services (including 1998 price spikes in mid-west and west, and absence of meaningful opportunities for demand response); (5) assessment of the technology and control R&D needs for real time system control; (6) assessment of the treatment of uncertainty in planning and operational models.
2. Distributed Technologies Test Bed

The first year of a major multi-year effort to design and ultimately, with industry and other stakeholder partners from industry, operate an in-field distributed technologies test bed. The objective of this work is to develop and demonstrate the technologies and control strategies needed to support widespread integration of distributed resources into the grid.

During the first year, CERTS will: (1) specify the information needed to conduct system simulation studies of distributed technologies, assemble available information, and develop a plan for additional laboratory bench tests to gather missing information; (2) conduct simulation studies of the different scenarios of distributed technology penetration using available data and models to evaluate distribution system reliability impacts and identify micro-grid control issues; and (3) develop a multi-year demonstration plan for a distributed technologies test bed.

3. Reliability Market Monitoring, Design, and Analysis

The first year of a multi-year effort to improve the design and operation of markets for the provision of reliability services in a restructured electricity industry. An integrated set of data development, simulation, and design activities will provide both immediate and longer-term benefits to emerging competitive markets.

During the first year, CERTS will: (1) collect data on ancillary services market compliance for the CA ISO and evaluate alternative user interfaces for using these data; (2) use these and other data to examine the performance of the market and, where warranted, suggest directions for fundamental changes in the design of these markets; (3) use experimental economic methods and other methods to simulate the performance of both current and proposed market designs; and (4) analyze customer-side technical requirements for provision of reliability services

4. Smart VAR Management System

Develop and demonstrate a software tool that will allow system operators to measure, communicate, and process real-time data to perform a VAR analysis of the WSCC grid and provide system operators with voltage profiles and reactive reserve margins at key substations. Had this tool been available, the 1996 outages on the Western grid could have been prevented.

During the first year, CERTS will develop, prototype, and field-test hardware and software that can be integrated with current energy management systems to provide operators with necessary information, contingency simulation, performance tracking, and report generation on voltage and reactive reserve margins.

5. Distributed Control

The first year of a multi-year effort to develop and demonstrate the appropriate role for distributed controls in management of the operations of regional power systems. During the first year, CERTS will initiate a demonstration of the ability and comparative performance of autonomous reasoning agents to maintain power system reliability compared to conventional centralized control methods.

Ultra-Net Satellite SCADA Communications Network

ULTRA-NETª is a satellite communications system which provides reliable dedicated links between a company’s control centers and remote data acquisition, monitoring and control points. ULTRA-NETª improves reliability by providing a low cost, real time, monitoring of critical operating parameters, and enabling the automation of systems that are dispersed over a wide geographical area. It also can be used to augment or replace older communication systems (which can help justify the cost of automation projects).

Ultra-Net has already been demonstrated and proven in full scale use for over 3 years in SCADA applications by Southern California Edison (SCE), linking nearly 200 remote terminals at 150 substations to central control centers (equipment monitoring, load switching, etc.). There is a great deal of operational data available.

The system is not affected by terrain variations such as mountains, hills and river valleys that impede radio and microwave communications. It eliminates the need to acquire and access heavily congested radio frequencies, and it eliminates the high cost of leased telephone lines and the cost of substation ground fault isolation. ULTRA-NETä systems can be installed in environmentally sensitive areas that can not be accessed for the installation of landlines, radio, or microwave towers. The documented avoided cost savings at SCE were in excess of five times the cost of equipment and labor of alternative technologies.

Another positive feature of ULTRA-NETª is that high wind, ice and snow loading do not adversely affect its performance (in marked contrast to ground phone lines). Nor are systems affected by flooding, as are buried lines and vaults. SCE’s system has survived Santa Ana windstorms with wind speeds over 100 mph, with no effect on performance.

Ultra-Net is designed for very specific niche applications — SCADA systems in electric, gas and water utilities, and oil and gas pipelines. It likewise is well suited for distribution automation and weather or hydrological data collection.

The small earth station units are self-contained, and are easily installed with mimimal site impact and with direct interface to existing user equipment , with only DC power and RS-232 data cables as the only connections. The system uses commercial geosynchronous satellites, so it provides uninterrupted dedicated communications, polling every remote unit every 4 seconds.

Edison Technology Solutions (ETS) is offering the system commercially, and will develop the requirements and cost proposal, do the installation, and provide service and support.

Contact: Jerry Barich, 626.815.0503, jbarich@edisontec.com
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Business Sensitive–UFTO Notes are for the exclusive use of UFTO
client companies and their staff, except as authorized in writing.

Microturbine Test Programs

Edison Technology Solutions is offering a subscription program to test microturbines. It will involve actual testing on a uniform basis of up to 8 “pre-commercial” and commercial units from different manufacturers. Two units will commence testing early in January.

Subscribers will have timely access to detailed test data and analyses of performance and interconnection issues. While some of this information may eventually become available elsewhere, subscribers will not only receive timely information, but will gain access to technology briefings, operations assessments, and lessons-learned. It will be important to have such information before beginning any kind of commercial installations.

EPRI is cofunding this work (along with CEC and DOE), and will receive general test results under this arrangement. ETS’ program, however includes additional detailed analyses and reports, summarized conclusions, and presentations throughout the testing program that will not be available through other sources.

Contact: Jaime Medina, 626-815-0516, jmedina@edisontec.com
http://www.edisontec.com

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In ’99, EPRI is continuing a microturbine field test program (which began in 1996 with the testing of Capstone early prototype units at Northern States Power and Southern California Edison). Participating host utilities will test one or more microturbines at either laboratory or actual end-user sites. The program will cover all available vendor products (e.g., Capstone, Elliott, Allied-Signal, NREC) and provide information on unit performance as well as interconnection, siting and permitting issues. The data from all of the tests will be shared within the group of host companies. Members of either of the two EPRI DR targets can use tailored collaboration money. Nonmembers can also participate by co-funding. Participants will participate in a user’s group where they will share experiences and insights obtained from operating their units with others in the program.

Contact: Doug Herman, 650-855-1057, dherman@epri.com

Additional information on EPRI’s $5 million/yr DR program (2 targets), including the microturbine tests, can be found at http://www.epri.com/gg/newgen/disgen/index.html
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Hybrid Power Plant (SOFC and MTG)

At the Palm Springs Fuel Cell Seminar (Nov 19), Edison Technology Solutions (ETS) announced plans to demonstrate and lead the commercialization of the first 250 kW “hybrid” generating plant integrating a fuel cell with a microturbine generator. The first unit, with a 200 kW pressurized SOFC and a 50 kW microturbine, will be installed in mid-1999 at the National Fuel Cell Research Center (NFCRC) at UC Irvine. Commercial launch is anticipated for 2001.

The hybrid plant will operate at an efficiency of 60 percent and a cost of $1000/kW, i.e. at lower capital costs than a standalone fuel cell, and with twice the efficiency of a standalone micro-turbine.

A variety of hybrid concepts have been discussed for several years by DOE. ETS is supporting an approach using the pressurized Siemens-Westinghouse tubular SOFC. It uses the microturbine compressor to pressurize the fuel cell to approximately three atmospheres. Exhaust gas at 1,500 deg F from the fuel cell is then used as the motive force for the microturbine, driving both its compressor and generator. While the plant at the NFCRC will run on natural gas, it is flexible to operate with other fuels. The plant has no detectable nitrogen oxide emissions, and greatly reduces carbon dioxide emissions.

Hospitals, hotels, universities and other customers with high load factors are seen as likely users of the hybrid power plant. ETS will work with utilities and energy service companies to commercialize and deploy the technology.

ETS is offering a proposition to utilities to become part of a focused fast-track commercialization program. From 5-10 participants will provide development funding in exchange for access to technical information and priority rights to commercialization opportunities. Based on earlier discussions with several prospective customers for the program, ETS is proposing a graduated series of commitment levels. Companies which commit to the highest level now would be first in line for commercialization rights.

By design, the program will remain flexible as to which brand of microturbine can be used, though the first plant is planned around a Northern Research unit. For the fuel cell, the entire program is integrally connected to the Westinghouse SOFC.

ETS has an exclusive license to a recent patent with broad claims focused on high speed turbines and pressurized fuel cell operation. ETS also has exclusive worldwide marketing rights to the hybrid power plant (based on the Westinghouse SOFC) up to 500 kW.

Contact: Jaime Medina, Edison Technology Solutions
626-815-0516, jmedina@edisontec.com
http://www.edisontec.com

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US 5811201: Power generation system utilizing turbine and fuel cell
Inventor(s): Skowronski; Mark J. , Walnut, CA
Applicant(s): Southern California Edison Company, Rosemead, CA
Issued/Filed Sept. 22, 1998 / Aug. 16, 1996
Abstract: A system for generating electricity comprises a fuel cell, a heating stage, and an integral, power generator. The power generator comprises a compressor, an electricity generator and a turbine. Hot exhaust gas from the fuel cell is used for driving the turbine, which in turn drives the generator and the compressor. Both the fuel cell and the generator produce electricity. The compressor is used for compressing air for use in the fuel cell. A portion of the waste heat from the turbine drive gas is used for preheating the air utilized in the fuel cell.

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(Edison Technology Solutions, a non-regulated company of Edison International, develops and markets new technologies, products, and services for the emerging energy and electricity marketplace.)