PILI, CAMARINES SUR, September 27 –
To improve voltage and
boost system reliability the Luzon grid, the National Grid Corporation of the
Philippines (NGCP) has invested Php 269 million pesos on additional capacitor
banks at the high-voltage buses of various substations.
The equipment is expected to benefit not only the substation
supporting the installation, but the neighboring substations as well.
The project also involves installation of shunt reactors in
Naga substation and capacitor banks in four substations, namely Dona Imelda,
Cabanatuan, Marilao and Muntinlupa.
The shunt reactor in Naga aims to address the overvoltage
problem experienced in the area during off- peak load condition with Tiwi plant
at minimum generation. The reactors are also expected to address overvoltage
during the switching of the filters of Leyte-Luzon High Voltage Direct Current
(HVDC) Station in Naga City.
The Leyte-Luzon HVDC Transmission System commissioned in
August 1998 was part of the overall plan of the National Power Corporation
(NPC) to connect the existing Luzon, Visayas and Mindanao grid into a single
national grid.
The capacitor components of the voltage improvement project
in the four substations will improve the voltage profile during normal
conditions and address the potential undervoltage during contingencies.
The multi-million peso-project initiated in December 2011 is
scheduled to be completed on the first quarter of 2013.
NGCP is a privately owned corporation in charge of operating,
maintaining, and developing the country’s power grid. It transmits high-voltage
electricity through “power superhighways” that include the interconnected
system of transmission lines and towers, substations and related assets. NGCP’s
regular maintenance activities and expansion projects aim to enhance the
reliability and quality of electricity delivered to customers. (Nelson
Bautista, NCGP/PIA Sorsogon)
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