Core Outlook Based on core, the power transformer market is segmented into closed, shell and berry. In 2021, the closed segment garnered a significant revenue share in the power transformer market.

Core Outlook Based on core, the power transformer market is segmented into closed, shell and berry. In 2021, the closed segment garnered a significant revenue share in the power transformer market.

The pot core (Figure 1) is a closed cylinder containing an upright round center post on which a bobbin is placed. Pot cores, when assembled, nearly surround the wound bobbin.