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Session 2433

A Novel Solution for California’ Energy Crisis: Wind Power Transmission s from Energy Rich North Dakota to California through HVDC Lines Recayi Pecen William Leighty Electrical & Information The Leighty Foundation-Alaska Engineering Technology Program University of Northern Iowa

Abstract

This paper first investigates feasibility of establishing a 7,000 MW power capacity wind farm, and the conversion of the total AC electrical power of 4,000 MW to the DC in a large converter station in Olga, North Dakota. Then it includes transmission of this bulk power to Northern California through a 1,700 miles, two bipolar +500 kV, 2,000A high voltage DC (HVDC) lines. The study assumes that there exists an average AC electrical power of 4,000 MW generated through two wind farms located in Olga, ND with 10,000 MW capacity. An existing wind capacity factor (CF) of 40%, which shows actual or predicted output as a % of installed capacity, is considered for this study. Two wind farms are considered to be established at Olga 3 and Olga 5 locations with average wind data available by North Dakota Department of Commerce - Division of Community Services. The commercially available North Dakota wind resource alone is estimated at over 1,000 TWh (billion kWh) per year. Dakotas wind energy potential is very stranded allover the land. Manitoba HVDC Research Center’ PSCAD /EMTDC power system software is used for the system modeling and s simulation studies of the proposed HVDC scheme. Overall, the researchers determined that it is feasible and economical to establish a total power capacity of 10,000 MW from two new wind farms including 5,000MW at Olga 3, and other 5,000MW at Olga 5 wind sites, both are located in the north east corner of North Dakota, and one large 4,000 MW AC to DC converter station in Olga 5, and to transfer this DC power to the Northern California by HVDC lines.

I. Introduction

California’ reliance on electrical power imports is increasing gradually as the state currently imports s about 11,000 MW of power from other states and Mexico. Only about 5,000MW of new capacity is projected to come on line in California by 2004 [1-2]. Coal fired power plants are now the largest single source of power supply for Los Angeles and other metropolitan areas in California. Natural gas supplies about 20% of the City of Los Angeles’ energy demand, hydroelectricity accounts for 12%, nuclear 9%, and the remainder comes from purchased power through wind, biomass, solar and cogeneration. Since June 2000, California’ electricity market has produced extremely high prices as s a result of deregulation. The difficulties that have appeared are intrinsic to the design of the market where the demand plays a significant role in the energy price. It is evident that without considering

Proceedings of the 2003 American Society for Engineering Education Annual Conference & Exposition Copyright © 2003, American Society for Engineering Education

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Leighty, W., & Pecen, R. (2003, June), A Novel Solution For California's Energy Crisis: Wind Power Transmission From Energy Rich North Dakota To California Through Hvdc Lines Paper presented at 2003 Annual Conference, Nashville, Tennessee. 10.18260/1-2--12262