The three-phase circuit used to charge a battery bank of 250 V. The line-to-line ac voltage is 208 V. The system resistance between the battery bank and the source during conduction is 3 ?. Compute the triggering angle of the IGBTs that limits the average charging current to 5 A.
What will be an ideal response?
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A) application of a chelate to the soil B) incorporation of powdered limestone rock C) injection of a gas into the soil D) broadcast of a chloride salt E) broadcast of the nearly pure element as a solid
On a digital waveform, the interval between pulses is called ________
A) pulse width B) rise time C) fall time D) period
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a. 20? b. 30? c. 40? d. 50?