HVDC Leyte–Luzon

HVDC Leyte–Luzon is a high-voltage direct current transmission link in the Philippines between geothermal power plants on the islands of Leyte and Luzon.

HVDC Leyte–Luzon
Location
CountryPhilippines
ProvinceLeyte
Sorsogon
Camarines Sur
Coordinates11°05′19″N 124°38′21″E
11°23′36″N 124°59′04″E
12°34′01″N 124°16′29″E
12°39′14″N 124°6′58″E
13°36′40″N 123°14′19″E
FromLeyte
Passes throughSan Juanico Strait
ToLuzon
Ownership information
OwnerNational Power Corporation (August 10, 1998 – March 1, 2003)
National Transmission Corporation (March 1, 2003–present)
OperatorNational Power Corporation (August 10, 1998 – March 1, 2003)
National Transmission Corporation (March 1, 2003 – January 15, 2009)
National Grid Corporation of the Philippines (January 15, 2009–present)
Construction information
Manufacturer of conductor/cableABB Group
Installer of conductor/cableABB Group
Manufacturer of substationsABB Group
Installer of substationsABB Group
CommissionedAugust 10, 1998 (1998-08-10)
Technical information
Type of currentHVDC
Total length451 km (280 mi)
Power rating440 MW
DC voltage350 kV
No. of poles1

History

The feasibility study of the transmission project was conducted by the Japan International Cooperation Agency in 1981.[1] The project financing was approved by World Bank in June 1994, co-financed also by the Japan Export-Import Bank.[2] The HVDC Leyte–Luzon went in service on August 10, 1998.[3][4] It is operated by the privately owned National Grid Corporation of the Philippines (NGCP) since January 15, 2009, and previously by government-owned companies National Transmission Corporation (TransCo) and National Power Corporation (NAPOCOR). It was owned previously by NAPOCOR from August 10, 1998, to March 1, 2003, and is owned currently by TransCo since March 1, 2003.

Technical description

Capacity of the Leyte-Luzon is a 440 MW.[3][4][5][6] It is implemented as monopolar line for a voltage of 350 kV,[5] feeding the power grid in the Manila region. In addition to overall connection of grids, HVDC was chosen to enable supply of bulk geothermal power, and to stabilize the alternating current network in Manila region.[3][6] The interconnector was manufactured by the ABB Group in cooperation with Marubeni Corporation.[6]

The length of submarine cable is 21 kilometers (13 mi) and the total length of overhead lines is 430 kilometers (270 mi).[3][4][6]

The crossing of San Juanico Strait is realized as overhead crossing with a tower on an island in the strait.

Route

The HVDC Leyte–Luzon begins at Ormoc converter station (Leyte) and ends at Naga converter station (Camarines Sur).[4] It consists three sections:

The grounding electrodes are situated at Albuera at 10°54′01″N 124°42′24″E and near Calabanga at 13°43′59″N 123°14′29″E . They are connected with the converter stations by 25 respectively 15-kilometre-long overhead lines.

References
  1. Report on Feasibility Study on Leyte Power Transmission Project (PDF) (Report). Vol. I. Japan International Cooperation Agency. February 1982. p. 3. Retrieved May 1, 2021.
  2. Dolor, Francis M. (November 26 – December 2, 2006). Ownership, Financing and Licensing of Geothermal Projects in the Philippines (PDF). Workshop for Decision Makers on Geothermal Projects in Central America. San Salvador, El Salvador. pp. 9–12. Retrieved May 1, 2021.
  3. Rudervall, Roberto; Charpentier, J.P.; Sharma, Raghuveer (March 7–8, 2000). High Voltage Direct Current (HVDC) Transmission Systems (PDF). Energy Week. Washington, D.C. Retrieved May 1, 2021.
  4. Chan-Ki Kim; Vijay K. Sood; Gil-Soo Jang; Seong-Joo Lim; Seok-Jin Lee (2009). HVDC Transmission: Power Conversion Applications in Power Systems. Wiley. pp. 398–399. ISBN 9780470822968.
  5. Ardelean, Mircea; Minnebo, Philip (2015). HVDC Submarine Power Cables in the World (PDF). JRC Technical Reports. Joint Research Centre. p. 66. ISBN 978-92-79-52785-2.
  6. "Leyte - Luzon". Hitachi ABB Power Grids. Retrieved May 1, 2021.
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