PEREC 5.1 Commutation types Basic operation principle of inverters Load 15S pa classification of inverters Square-wave inverters(are discussed in this chapter) PWM inverters( will be discussed in Chapter 6) 4 the concept of commutationPower Electron cs i 4 5.1 Commutation types Commutation types Basic operation principle of inverters Basic operation principle of inverters t uo i o t 1 t 2 Load S 1 S 2 S 3 S 4 i o uo Ud A classification of inverters A classification of inverters – Square -wav e inverters (are discussed in this chapter) inverters (are discussed in this chapter) – PWM inverters ( will be discussed in Chapter 6) PWM inverters ( will be discussed in Chapter 6) The concept of commutation The concept of commutation