開かい閉へい所じょ

noun

switching station; switchyard

Technical term in electrical engineering for a facility where circuits are switched and power is distributed.

• この開かい閉へい所じょは、地ち域いきの電でん力りょく供きょう給きゅうに重じゅう要ような役やく割わりを果はたしている。

  This switching station plays an important role in the local power supply.