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- (inference regarding signals from pole-zero information) Handwrite and step by step solutionsQ/A230U Seperately-exated de generador has the followingec charactenstics when run at looe field CA2 1.5. 0.5 2-0 2.5 3 3.5 4 lalkage lo 60 120 170:21024o 260 275 225 The Full load Current is 500A, the Yesistance of armadee is D.022 iL the oirmature reaction effect reduce the Field by 5% ond the speed of the pame meler also Foalls by 3%. Find the value of the fiela Current to mntain temnal Veltage of 230 on full loadSimple ci
- The true value of a current is 10mA and it is indicated with a digital ammeter as 12mA. The absolute error for this measurement system is _mĀA. O a. 0.16 O b. 0.2 O C. -2 O d. 2(b) A 480 V, 220 kVA, 0.80 power factor lagging, 40 Hz, two-pole, Y-connected synchronous generator has a synchronous reactance of 1.2 Q and an armature resistance of 0.035 N. Its friction and windage losses are 22 kW, and its core losses are 10 kW. The field circuit has a DC voltage and maximum Iş of 200 V and 9 A, respectively. The resistance of the field circuit is adjustable from 20 2 to 200 Q. The Open Circuit Characteristic (OCC) of this generator is shown in Figure Q1(b). (i) Explain the field current when the generator is running at no load using OCC in Figure Q1(b). (ii) By referring to Figure Q1(b) the field current of the generator is adjusted to 3A. Determine the terminal voltage of this generator if it is connected to a A connected load with an impedance of 20230° N. (iii) Calculate the efficiency of the generator. (iv) Formulate the speed in rpm and torque applied to the generator.n fast decoupled method, the strong coupling between the following is used, a. Q and V b. P and Q c. Q and d. P and V
- for the quadrupole in the figure find the following parameters: h21 Z21 A Y11Do the following: a.)Convert 0.7692*10-9 Hz into Mrad/s b.)Convert 22*10-9 Hz into Grad/sContinued Fraction Stability Criterion Determine if the following represent a stable or unstable system: (b) s5 + 6s4 + 10s² + 5s + 24 -Q(6)
- Pls sol 3/4/5 only as soon as possible subject name DSD(c) A 2400 V, 1000 KVA, 0.85 power factor (PF) lagging, 50 Hz six-poles, Y-connected synchronous generator has a synchronous reactance of 1.4 2 and an armature resistance of 0.15 2. At 50 Hz, its friction and windage losses are 25 kW, and its core losses are 15 kW. The field circuit has a DC voltage of 230 V, and the maximum IF is 10 A. The resistance of the field circuit is adjustable over the range from 20 to 200 £2. The Open Circuit Characteristic (OCC) of this generator is shown in Figure Q1(c). Calculate the internal generated voltage, EA of this machine at rated conditions. (i) (ii) (iii) Determine the required field current to make Vr equal to 2400 V when the generator is running at rated conditions. If this machine is operating at rated conditions, determine the input torque, TAPP that must be applied to the shaft of this generator.2.A Boost converter has an input voltage of 5V and required output voltage is 15V at 25KHzwhen L=150µH and C=220µf and average load current of 0.5A.Determine i) Duty cycle ratio ii)peak to peak ripple current through inductor iii) peak to peak ripple voltage iv) critical values of L & C