Question

The switches in the converter below operate synchronously: each is in position 1 for 0 t dts, and in position 2 for dts t ts. What is the position of the switches at time t=0?

1) Position 1
2) Position 2
3) Cannot be determined

Answer 1

At time t=0, the switches are in position 1 based on the given time intervals for switch operation.

Step-by-step explanation:

The position of the switches at time t=0 can be determined based on the given operation schedule for the switches. According to the description, each switch is in position 1 for the time interval 0 ≤ t ≤ dts, and in position 2 for dts < t ≤ ts. Since t=0 falls within the first interval (0 ≤ t ≤ dts), initially, at t=0, the switches are in position 1.

Answer 2

At time t=0, the switches in a converter circuit that operate synchronously are in position 1 as defined by the duration from 0 to dts.

Step-by-step explanation:

The question pertains to the operation of switches in a converter circuit and asks at what position the switches will be at time t=0. Given that each switch is in position 1 from 0 to dts, and in position 2 for dts t ts, the position of the switches at time t=0 will be position 1. We can determine this because the definition of the switch position explicitly states that position 1 is active from the start of the timing cycle (t=0) until dts.