A 100 km Three-Phase 50 Hz transposed transmission line is çomposed of bundle of three ACSR, 1,431,000 çmil, 47/7 Bobolink conductors as shown in Figure 2 (a). The Three- Phases (bundled Conductors) have flat horizontal spacing of 11 meters as shown in the Eigure 2(a). The conductors have a diameter of 3.8 cm and a GMR of 1.5 cm. The Line is going to be replaced with a six conductor bundle of ACSR, 477,000 çmil, 26/7 Hawk conductors. The conductors have a diameter of 2.5 cm and a GMR of 0.9 cm. The new Jine will have a horisontal phase spacing of 14 meters as it is going to be operated at higher Veltage rating, The new line is shown in Figure 2 (b). The spacing between the bundles in Figure 2 (a) and (b) is 45 cm. Determine. a) The capacitance for each case and the percentage change in capacitance b) The inductive reactance for each line and the percentage change. c) The inductance for each case and the percentage change in inductance 11 m (a) 11 m OLD TRANSMISSION LİNE 0.45 m 0.45 m 0.45 m 0.45 m 0.45 m 0.45 m 14 m 14 m (b) NEW TRANSMISSION LINE

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Thermistors

A thermistor is a special type of resistor whose resistance is more temperature-dependent than standard resistors.  The resistance of the thermistor decreases with increasing temperature. This is the basic principle of thermistors. This allows the thermistor circuit to detect very small temperature changes that cannot be observed with the Resistance temperature detectors (RTDs) or the thermocouples. Since the resistance of a thermistor is temperature dependent, it can be connected to an electrical circuit to measure body temperature. This high sensitivity to temperature changes makes thermistors very useful for accurately controlling and calibrating temperature measurements. In general, resistance increases with increasing temperature in most metals, but thermistors react negatively.