TCN procures 3 power reactors for Ikot Ekpene, Jos, Apir 330kV transmission substations


Pix: Mr. Usman G. Mohammed, MD/CEO, TCN



The Transmission Company of Nigeria (TCN), on Thursday, said it has procured and deployed three units of power reactors to Ikot Ekpene, Jos and Apir transmission substations for installation, to help correct the voltage problem along the 330kV Ikot Ekpene- Ugwuaji-Makurdi- Jos Transmission Line axis.

The TCN General Manager (Public Affairs), Mrs. Ndidi Mbah, said that the 330kV line had been exposed to constant voltage instability up to 360kV at the Ikot Ekpene, Makurdi and Ugwuaji end of the transmission route, due mainly to lack of reactors.

She said the company procured the three new reactors that would be installed in the Ikot Ekpene, Jos and Apir Substations and once they were commissioned, the reactors would serve to substantially stabilize high voltage along that transmission route.

“Two of the new reactors are already in Jos and Apir (Makurdi) substations, while the third one is on its way to Ikot-Ekpene,” Mbah informed, noting that the 330kV transmission line, however, has other design errors which included lack of transposition of the 330kV lines and fiber optic on the Ugwuaji – Makurdi part of the transmission line, deemed necessary for effective SCADA operations.

The company, she said, is committed to attending to the problems in line with the Transmission Rehabilitation and Expansion Plan of the Federal Government, to ensure that voltage issue on the 330kV line is permanently solved.

“Last year, TCN engaged a contractor to produce a holistic mapping of its SCADA requirements nationwide, the report of which was subjected to an international workshop,” she further stressed, adding that the TCN had since then progressed on its SCADA processes which, once completed and implemented, would solve the fiber optic problem on the Ugwuaji – Makurdi axis of the 330kV Ikot Ekpene – Jos Transmission Line, prompting the ultimate resolution of the transposition problem on the other hand.

She further emphasized that “on Tuesday, 12thSeptember, 2017,TCN lost a 150MVA 330/132/33kV power transformer in a fire incident in its Jos Transmission Substation and the incident was caused by high voltage resulting from the design problems on 330kV Ikot Ekpene – Jos transmission line constructed over 15years ago,” reiterating TCN’s commitment to expanding the nation’s grid and noted that, having delivered the reactors to the three substations, it would ensure that the contractor commences installation immediately.


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