Power Device Thermal Fault Tolerant Control of High-Power Three-Level Explosion-Proof Inverter Based on Holographic Equivalent Dual-Mode Modulation

Figure 9

Power loss comparison between two equivalent modes. (a) Power loss of 1 based on simplified SVPWM; (b) power loss of 1 based on quasi-square-wave modulation; (c) power loss of diode based on simplified SVPWM; (d) power loss of diode based on quasi-square-wave modulation; (e) power loss curves of power devices under dual-mode modulation.

(a)

(b)

(c)

(d)

(e)