EPRI programs on AC to DC Line Conversion

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Two approaches: 1. Adapt ac towers to bipole dc 2. Adapt bipole dc to three phase positions Focus of <strong>EPRI</strong> studies
<strong>EPRI</strong> AC to DC conversion studies: 1. Role of Bidirectional Valves (2005-2006) 2. Methods for Assessing the DC Capability of AC transmission lines (2005-2008) “DC Convert Software” 3. DC capability of example ac line designs 138 kV to 765 kV (2008-2009) 4. Consolidated Report (2009-2010)
Page 1: Conversion of AC Lines to HVDC <str
Page 5 and 6: Conversion means buying converter c
Page 7 and 8: Conversion of AC Lines to HVDC Bipo
Page 9 and 10: Economic feasibility sensitive to M
Page 11 and 12: Pole 3 alternately relieves some po
Page 13 and 14: Tripole Power Capability At any giv
Page 15 and 16: Tripole Terminal Requirements: •
Page 17 and 18: Economic feasibility sensitive to M
Page 19 and 20: Comparison of line losses If dc is
Page 21 and 22: Redundancy Redundancy = Important b
Page 23 and 24: Emergency/Normal Capability P ac =
Page 25 and 26: Conversion of AC Lines to HVDC 1. C
Page 27 and 28: Example Gradient Precedents: Exampl
Page 29 and 30: Conversion of AC Lines to HVDC 2. I
Page 31 and 32: AC Operation D e = Electrical compo
Page 33 and 34: Conversion of AC Lines to HVDC Exam
Page 35 and 36: Conclusions: 1. V dc may be as high
Page 37 and 38: Example costs for transmitting elec
Page 39 and 40: Cost to gain transfer by ac to dc c
Page 41 and 42: Conversion of AC Lines to HVDC Curr

EPRI programs on AC to DC Line Conversion

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