1 Power System Analysis EELE 4351 Dr Assad
- Slides: 19
1 Power System Analysis (EELE 4351) Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
2 Assad Abu-Jasser, Ph. D Electric Power Engineering The Islamic University of Gaza ajasser@iugaza. edu. ps site. iugaza. edu/emp/ajasser Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
3 Chapter 5 Capacitance of Transmission Lines Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
4 Capacitance of Transmission Lines Introduction Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
5 Electric Field Long Straight Conductor Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
6 Potential Difference Between Two Points Due to a Charge Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
Capacitance of a Two-Wire Line Work done to move +q between a and b 7 Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
8 Capacitance of a Two-Wire Line-to-Line and Line-to-Neutral Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
9 Transmission Lines Capacitive Reactance ACSR Conductors Tabulated Values Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
10 Example 5. 1 Find the capacitive susceptance per mile of a single-phase line operating at 60 -Hz. The conductor is partridge, and spacing is 20 ft between centers. Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
11 Capacitance of a Three-Phase Line Equilateral Spacing Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
12 Capacitance of a Three-Phase Line Unsymmetrical Spacing Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
13 Example 5. 2 A single-circuit three-phase line operated at 60 -Hz is arranged as shown. The conductors are ACSR Drake. Find the inductive reactance per mile per phase considering a completely transposed line. Find the capacitance and the capacitive reactance for 1 mi of the line. If the length of the line is 175 mi and the normal operating voltage is 220 -k. V, find the capacitive reactance to neutral for the entire length of the line, the charging current per mile, and the total charging megavoltamperes. Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
14 Capacitance of a Three-Phase Lines Effect of Earth Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
15 Capacitance of Three-Phase Line Bundled Conductors Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
16 Example 5. 3 Each conductor of the bundled-conductor line shown is ACSR, 1272000 cmil Pheasant. Find the capacitive reactance to neutral in ohms-kilometer (and ohm-mile) per phase for d=45 cm. Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
17 Capacitance of Three-Phase Lines Parallel-Circuits Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
18 Example 5. 4 A three-phase double-circuit line ACSR is composed of 300000 -cmil 26/7 Ostrich conductors arranged as shown. Find the 60 -Hz inductive reactance and capacitive susceptance in ohms per mile per phase and siemens per mile per phase, respectively. Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
19 End Of Chapter Five Dr. Assad Abu-Jasser, EE Department - IUGaza Power System Analysis (EELE 4351)
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