**4.1 Bidirectional switch (BDS) method**

The power circuit for the BDS method [18], regeneration control circuit (RCC) or electrical braking circuit, is shown in **Figure 9**. The regeneration control circuit (RCC) is introduced across the input filter capacitors (CAB, CBC, and CAC). The regeneration control circuit (RCC) is responsible for power dissipation when regeneration takes place in the MC motor drive.

The RCC consists of three bidirectional switches (BDSAB, BDSBC, and BDSAC) in series with three resistors (RAB, RBC, and RAC) connected across the input lines, in parallel with the input filter capacitor. The schematic of the regeneration control circuit (RCC) or electrical braking circuit (EPC) is depicted in **Figure 9**.
