Re-VAMP your bus bar protection: Eskom invests in metal-clad switchgear to guard against devastating faults and to enhance reliability

摘要

Eskom Distribution experienced several incidents on metal-clad switchgear when an internal arc was not contained or vented appropriately. These incidences posed a serious safety hazard to personnel, and the damage to the switchgear was excessive, resulting in long restoration times. In 1999, the utility launched an investigation of its specifications for metal-clad switchgear, emphasizing bus bar protection. This cause of action resulted in significant changes to protection philosophy.