Describe briefly circling the block diagram of fixed speed wind energy systems.
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Describe briefly circling the block diagram of fixed speed wind energy systems.
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- The type generator field winding is supplied from the external D.C. source. O Compound Self excited O Shunt separately excited17 By laminating the core, the Hysteresis losses can be reduced. Select one: True Falsemoodle.nct.edu.om/mod/quiz/attempt.php?attermpt=6123858&.cmid 63002#question-96 Portal When the load on a series generator is decreased, then the flux produced will be increased. Select one: O True in O False The accelerating anode in CRO is also called as positive electrode. Select one: O True O False MIEE2110M The neutral current in an unbalanced star connected system is not equal to 33°C Sunny hp
- are used across an inductive and capacitive loads so as to supply part of the reactive VARS required by the load. A19 a) series capacitor b) tap changing transformer c) booster transformer d) shunt capacitorQUESTION 19 E-06, PC-02. Three inductors 15 mH, 15 mH and 15 mH are connected in series. What is the total inductance? O 5 mH. Without knowing the coupling factor the total inductance cannot be found. 45mH. QUESTION 20 E-06, PC-05. Why are the iron cores of most induction coils laminated? To increase the core permeability. O To reduce the core reluctance. O To reduce the effects of eddy currents. Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Air 888 F7 FB F6 F4 F3 F2 & 23 $ 4 5 0 8 3 Y W E と S D S F G >> J しの く つ つ >A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and L=40mH. (a) Determine the power factor of the circuit and state whether it is lagging or leading. (b) Determine the real and reactive power absorbed by the load. (c) Calculate the peak magnetic energy Wint stored in the inductor by using the expression Wint=L(Irms)2 and check whether the reactive power Q=Wint is satisfied. (Note: The instantaneous magnetic energy storage fluctuates between zero and the peak energy. This energy must be sent twice each cycle to the load from the source by means of reactive power flows.)
- 025 4- The no- at a a - lood primary current of a certain transformer i's 1A lagging power factor of 0.4 when Connected across 240 V, 50 Hz Supply. The number of turns on the twice that on the Secondary. A lood taking lagging power factor of 0.8 prmany IS 50 A at a Connecked attres IS across the Secondary. Calculate at the value of the primary load current b) the power factor of the primary load Current 110 111 112 113The voltage applied to the metal grid of CRO is positive with respect to cathode. Select one O True O False The DC generator has both shunt and series field winding which wound on to the same poles. O Shunt O separately excited MIEE211 O Series O CompoundProblem- Basics of Chopper & Types Calculate the R.M.S value of the fundamental component of current in a single phase Half bridge having a resistive load of 109 and supplied by an input DC voltage of 50V?
- What is the main direct cause of reactive power in AC system?A. Resistance of transmission linesB. Inductance and capacitance in the loadsC. Ideal transformer connected in the systemD. Power produced by generatorA parallel connection of a RL branch with a C branch is connected across a 100V AC mains. At first R = 10 ohms, L = 20mH and frequency of 1000rad / s, the current measured is 2.2361A at 89.44 leading power factor. A) Determine the initial capacitance. B) However, a fault occurs on the capacitor branch making its capacitance 20% lower and a resistance of 5 ohms is detected. If this faulty circuit is rerun but at a frequency of 500 rad / s, determine the new current that will flow through the circuit.4) Therenin's Equinlena Circuit and Marimum Poer truns fer Thiorem a) For the Circuit derive the given in the figure, therenin's eq uivalence Circuit acrass the branch witn the loud impedanu. b) Culculate to deliver the volue of the load Impedanca makimum power to the load, c) caleula te the Power dissipa ted through the loud, 72