UNIVERSITY OF NIGERIA NSUKKA FACULTY OF ENGINEERING DEPARTMENT OF ELECTRICAL ENGINEERING TOPIC: THE OPERATION AND MAINTENANCE OF THE TRANSMISSION SUBMISSION USING TCN APO 132/33KV SUBSTATION AS CASE STUDY A SEMINAR REPORT WRITTEN IN PARTIAL FULFILLMENT OF REQUIREMENTS FOR THE COURSE EEE 494 (SEMINAR AND INDUSTRIAL VISITS) BY IGOLO, VICTORY SAMUEL REG NO: 2017/247148 SUPERVISOR: ENGR. DR. U. C. OGBUEFI FEBRUARY, 2023