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As shown in Figure, a 25-MVA, 13.8-kV, 60-Hz synchronous generator with X"d = 0:15 per unit is connected through a transformer to a bus that supplies four identical motors. The rating of the three-phase transformer is 25 MVA, 13.8/6.9 kV, with a leakage reactance of 0.1 per unit.
Each motor has a subtransient reactance Xd" = 0.2 per unit on a base of 5 MVA and 6.9 kV. A three-phase fault occurs at point P, when the bus voltage at the motors is 6.9 kV.
Determine:
(a) the subtransient fault current,
(b) the subtransient current through breaker A,
(c) the symmetrical short-circuit interrupting current (as defined for circuit breaker applications) in the fault and in breaker A.
The quarter circle gate BC in Fig. is hinged at C. Find the horizontal force P required to hold the gate stationary. The width b into the paper is 3 m.
A direct current of 0.125 ampere was passed through 200 milliliters of a 0.25 molar solution of Fe2(SO4)3 between platinum electrodes for a period of 1.100 hours. Oxygen gas was produced at the anode. The only change at the cathode was a slight chang..
Please plot the solution gas oil ratio and instantaneous gas oil ratio with pressure relations, and explain the changes alone the instantaneous GOR plot
Create a Flash movie that uses motion animation to change a figure from a large size to a small size and back as it moves from the top to the bottom of the right side of the stage
1) Read these three discussions and respond to them by your opinion by 4 -5 sentence all your respond make it collar with the same discussion collar so I can know each discussion and his comment.
Create a WebQuest on a topic in telecommunication or networking that will grab your classmate's interest and motivate them to learn about the WebQuest topic
1.) Draw the schematic for a 2-input XOR circuit, using only AND, OR, and NOT gates. (Remember the Boolean formula for XOR, and implement this using AND, OR, and NOT gates.)
Discuss on the topic bread slicer machines and form a report TOTAL WORDS-895
Include citations to support your research from three different peer-reviewed outside sources per team member. Format your citations consistent with APA format.
1. Which of the following DC motors provides the highest starting torque?
What will happen to the total annual variable cost? The annual variable cost includes the annual ordering cost and annual inventory holding cost?
Write a Literature Review on the Kerr Effect.
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