Improvement of High-Power Three-Level Explosion-Proof Inverters Using Soft Switching Control Based on Optimized Power-Loss Algorithm

Figure 16

The temperature distribution 3D map of maternal thermal models before modification. (a) One heat sink temperature chart of NPC3L inverter; (b) one heat sink temperature chart of S3L inverter; (c) one substrate temperature chart of NPC3L inverter; (d) one substrate temperature chart of S3L inverter.

(a)  

(b)

(c)

(d)