The D90Plus is a sub-cycle line distance protection system and bay controller suitable for protecting transmission lines and cables including lines equipped with series compensation. The D90Plus supports dual-breaker applications and can be used for single or three-pole tripping. The D90Plus supports different teleprotection schemes, including DCB, DCU, POTT, Hybrid POTT, and PUTT. The D90Plus also provides Synchrophasor measurement over Ethernet per IEEE C37.118.
