## ELECTRICAL POWER SYSTEMS I

Course Code:
63422
Course Outline:
 ELECTRICAL POWER SYSTEMS I 63481 ELECTRICAL ENGINEERING Semester Teaching Methods Credits 7 Lecture Rec. Lab. Project Work HW Other Total Credit ECTS Credit 44 - - 20 20 16 100 3 4 Language English Compulsory / Elective Compulsory Prerequisites (63472) Course Contents Series impedance of transmission lines. Capacitance of transmission lines. Current and voltage relations on a transmission line. System modeling. Network calculations. Introduction to load flow solutions. Course Objectives To introduce the calculations of the equivalent circuit of different length transmission lines employing the calculations of inductance and capacitance. To teach different calculations of transmission lines by using the equivalent circuit. To introduce the one line diagram of a power system and the per unit calculations. To introduce Node equations and matrix analysis methods of power systems and load flow analyses. Learning Outcomes and Competences Understanding the equivalent circuit of transmission lines. Learning the concept of one line diagram, impedance and reactance diagrams. Learning matrix analyses methods and load flow analyses of power systems. Textbook and /or References Elements of power system analyses. William D. Stevenson, J. McGraw-Hill, 1982. Power system analysis: John J Grainger and William D. Stevenson, J. R. McGraw-Hill, 1994. Principles of power system. V.K.Mehta, and  Rohit Mehta. S.CHAND & COMPANY LTD.2005. Assessment Criteria If any, mark as (X) Percent (%) Midterm Exams X 40 Quizzes Homeworks X 10 Projects Term Paper Laboratory Work Other Final Exam X 50 Instructors Assist. Prof. Dr. Maher Khammash, maherkh@najah.edu Week Subject 1 SEREIS IMPEDANCCE OF TRANSMISSION LINES: Resistance, inductance, inductance of single-phase two wire line, inductance of composite conductor lines, the use of tables. 2 SEREIS IMPEDANCCE OF TRANSMISSION LINES: Inductance of three phase lines, bundled conductors. Parallel circuit three phase lines. Solving different problems. 3 CAPACITANCE OF TRANSMISSION LINES: Electric field of a conductor. The concept of electric flux density and electric field intensity. Capacitance of single-phase two wire line. 4 CAPACITANCE OF TRANSMISSION LINES: Capacitance of three phase lines, bundled conductors. Parallel circuit three phase lines. Solving different problems. 5 CURRENT AND VOLTAGE RELATIONS ON A TRANSMISSION LINE: The short transmission line, the medium-length transmission line. Power flow through a TL. 6 CURRENT AND VOLTAGE RELATIONS ON A TRANSMISSION LINE: Reactive power compensation of T.L, T.L transients, direct-current transmission. Solving different problems. 7 MIDTERM EXAM I 8 SYSTEM MODELING: The synchronous machine, the transformer, the autotransformer, three phase transformers. 9 SYSTEM MODELING: Three winding transformer, per unit impedances. The one-line diagrams. 10 NETWORK CALCULATIONS: Node equations, matrix partitioning, node elimination by matrix algebra. The bus admittance matrix. 11 NETWORK CALCULATIONS: The bus impedance matrix, modification of an existing bus impedance matrix, direct determination of a bus impedance matrix. Solving different problems. 12 MIDTERM EXAM 2 13 INTRODUCTION TO LOAD FLOW SOLUTIONS: Introduction, power flow equations and power flow problem. 14 INTRODUCTION TO LOAD FLOW SOLUTIONS: Iteration schemes accelerated Gauss-Seidel, Newton-Raphson Methods. Solving problems