مادة الكنترول 3 طرق لحل مسائل الكنترول بكل سهولة | Draw root locus - Routh Hurwitz Stability Criterion Calculator Ahmed Amin 1. Swarthmore من الادوات السهل لحل مسائل الكنترول ليس الكلاسيك كنترول ولكن الكنترول الذ يدرس في الكليات الهندسة هذا العلم الذي يستخدم في صن... اقرأ المزيد
induction machine A460-V. 30-hp. 60-Hz. four-pole. Star-connected induction motor has two possible rotor designs. a single-cage rotor and a double-cage rotor. (The stator is identical for either rotor design.) The motor with the single-cage rotor may be modeled by the following impedances in ohms per phase referred to the stator circuit: R1= 0.641 Ω X1 = 0.750 Ω R2 = 0.3 Ω X2 = 0.5 Ω Xm= 26.3 Ω The motor with the double-cage rotor may be modeled as a tightly coupled. High resistance outer cage in parallel with a loosely coupled. Low resistance inner cage The stator and magnetization resistance and reactances will be identical with those in the single-cage design. The resistance and reactance of the rotor outer cage are: R2o, = 3.2 Ω X2o, = 0.5 Ω The resistance and reactance of the inner cage are R2i = 0.4 Ω X2i = 3.3 Ω Write a MATLAB script to calculate and plot the two torque-speed characteristics with the two rotor designs. How do they compare? Ahmed Amin A460-V. 30-hp. 60-Hz. four-pole. Star-connected induction motor has two possible rotor designs. a single-cage rotor and a double-cage rotor... اقرأ المزيد
induction machine The three-phase, 230-V, 60-Hz, 12-kW, four-pole induction motor R2 = 0.2 Ω is to be operated from a variable-frequency, constant-volts-per-hertz motor drive whose terminal voltage is 230 V at 60 Hz. The motor is driving a load whose power can be assumed to vary as: P_load=10.5 (n/1800)^3 Kw Where n is the load speed in r/min. Motor rotational losses can be assumed to be negligible. Write a MATLAB script to find the line-to-line terminal voltage, the motor speed in r/min, the slip and the motor load in kW for (a) a source frequency of 60 Hz and (b) a source frequency of 40 Hz. Ahmed Amin Question The three-phase, 230-V, 60-Hz, 12-kW, four-pole induction motor R2 = 0.2 Ω is to be operated from a variable-frequency, constan... اقرأ المزيد
infinite bus Write a MATLAB script to plot a set of per-unit power-angle curves for a salient-pole synchronous generator connected to an infinite bus (Vbus = 1.0 per unit). The generator reactances are Xd = 1.27 per unit and Xq = 0.95 per unit. Assuming Eaf = 1.0 per unit, plot the following curves: Ahmed Amin Write a MATLAB script to plot a set of per-unit power-angle curves for a salient-... اقرأ المزيد