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# (Solved): Plot a graph and determine the open-circuit voltage if the field circuit resistance is 12 ohms. 3.4 ...

Plot a graph and determine the open-circuit voltage if the field circuit resistance is 12 ohms. 3.4 A short-shunt compound generator supplies a load current of 50 A . It has a shunt-field resistance of 10 ohms, an armature resistance of 0,5 ohms and a field resistance of 0,4 ohms. Calculate the armature EMF if the terminal voltage is 200 V . (8) QUESTION 4 4.1 A sinusoidal alternating current supply has a maximum value of

`198,02V`

and a periodic time of 30 milliseconds. Determine the following: 4.1.1 The RMS value of the voltage (1) 4.1.2 The average value of the voltage (1) 4.1.3 The frequency (1) 4.1.4 The instantaneous value, 1 milliseconds after the commencement of the cycle (2) 4.2 A

`50kVA(5000)/(50)V,50Hz`

single-phase transformer has 1500 turns on the primary winding. Determine the following: 4.2.1 The turns ratio (1) 4.2.2 The number of secondary turns (2) 4.2.3 The secondary full-load current 4.2.4 The maximum value of the core flux (2)

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