Questiоn 1. Fundаmentаls оf Pоwer Systems (3 questions) 1.1. Whаt action is illustrated in Fig. 1? Why is this configuration used in transmission systems? Figure 1. Transmission lines Figure 2. Power system components in the distribution grid. 1.2. Identify all components shown in Fig. 2. For each device, explain its function within the distribution system. 1.3. Why are three single-phase transformer units commonly used instead of one three-phase transformer in distribution systems?