VIIIWork with your partner and discuss the questions to speak about the text.
1 What happens when magnetic fields of alternating polarity pass across the armature windings? 2 What controls the voltage induced into the armature windings? 3 What must ac generator control systems protect against? 4 What is the purpose of the rotating three-phase rectifier in a brushless generator? 5 What is the chief advantage of having dc exciter units integrated into ac generators? 6 What is the only moving mechanical part in a solid state voltage regulator? IX Speak about main points of the text. X Choose the correct answer. 1 Takeoff point Cof the bridge is located… A) between resistor R3and the diode. B) between resistor R2 and the Zener diode. C) between resistor R6 and the Zener diode. D) between resistor R1 and the Zener diode. 2Control of the voltage induced into theac generator windings depends: A)on two things. B) on five things. C) on three things. D) on four things.
3The frequency of the output voltage depends on…. A) the speed of the car. B) the speed of the aircraft. C) the speed of the engine. D) the speed of the wind.
4 What is CSD? A) changes sometimes done B) constant supplydc C)current circuit diode D) a constant speed drive unit. E)shaft system destroy
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