HVDC Underground Cables The Empire Connection Paul M Grant, Ph.D. - - PowerPoint PPT Presentation

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Jul 21, 2023 345 likes •483 views

HVDC Underground Cables The Empire Connection Paul M Grant, Ph.D. Physicist & Writer, Principal W2AGZ Technologies Paul M. Grant Energy Science & Technology Consulting Science Fellow EPRI w2agz@pacbell.net www.w2agz.com P. M.

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Albany, NY, 2/10/04

P. M. Grant

HVDC Underground Cables

The Empire Connection

Paul M. Grant Science Fellow EPRI Paul M Grant, Ph.D. Physicist & Writer, Principal W2AGZ Technologies

Energy Science & Technology Consulting w2agz@pacbell.net www.w2agz.com

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Albany, NY, 2/10/04

P. M. Grant

SLIDE 3

Albany, NY, 2/10/04

P. M. Grant

FILTER FILTER i t Iac i t Iac Sending End Receiving End Rectifier Inverter R DC Line Idc Vdc Capacitor Filter i t Idc Transformer

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Albany, NY, 2/10/04

P. M. Grant

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Albany, NY, 2/10/04

P. M. Grant

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Albany, NY, 2/10/04

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Albany, NY, 2/10/04

P. M. Grant

www.empireconnection.com

Total Capacity 2000 MW DC

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Albany, NY, 2/10/04

P. M. Grant

Substation 1 Substation 2

Pole 1 500 MW Pole 2 500 MW 500 kV Lines / Cables

Bipole 1 - 1000 MW

F F

HVDC Circuit Details as Substation 1

F F F F F F F F F F F F F F F F

Substation 1 Substation 2

Pole 1 500 MW Pole 2 500 MW 500 kV Lines / Cables

Bipole 2 - 1000 MW

F F

HVDC Circuit Details as Substation 1

F F F F F F F F F F F F F F F F

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Albany, NY, 2/10/04

P. M. Grant

Leeds New Scotland Gilboa Athens Alps Long Mountain Hurley Marcy Edic Fraser Roseton Rock Tavern Buchanan S Buchanan N Pleasant Valley FishKill Dunwoodie Rainey Astoria West 49th Street Farragut Coeymans Tremont Circuit #1: 1,000 MW, +/- 500 KV HVDC Millwood

SprainBrook

Empire Connection & UPNY/SENY 345 KV Transmission Grid

Athens Spuyten Duyvil Circuit #2: 1,000 MW, +/- 500 KV HVDC Oak Point November 5, 2003 (4.4 m) (9.0 m) (15.9 m) (117.5 m) (117.5 m) (8.3 m) 15th Street

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Albany, NY, 2/10/04

P. M. Grant
Decreases pollution from power plants in and near

New York City.

Lessens the demand for new power plants in and

near New York City.

Helps budget-stretched Metropolitan Transportation

Authority, New York State Thruway Authority and Amtrak by paying significant annual fees.

Creates large number of union jobs during

installation.

Pays substantial taxes.
Encourages the development of clean and

renewable power upstate.

Sets a precedent for underground invisible

transmission.

Benefits

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Albany, NY, 2/10/04

P. M. Grant

Cost Return

$ 750 M ($ 400 M “banked”)
To Be Commissioned by Summer 2006
Loan Payment (4%, 40 yrs, 750 M$) =

35 M$/yr

Labor, Overhead, Maintenance =

5 M$/yr

Tariff =

0.5 ¢/kWh

Capacity =

2000 MW

Profit @ 50% Capacity =

4 M$/yr

Profit @ Full Capacity =

48 M$/yr