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Common Information Model for Sensors

Sensors like current transformers and voltage transformers are used to monitor the power systems and data from these sensors are collected in appropriate computer applications to observe the state of the power system. Phasor Measurement Units (PMUs) get data from current and voltage transformers and time-stamp them thereby paving the way for wide-area monitoring of the power system. In wide-are monitoring, the dynamic-view of the power system may be observed across multiple utilities’ zones each using many different computer applications. To enable these computer applications to communicate with each other, a common language is required with the ability to overcome proprietary data constraints of power system applications. This paper focuses on the common data model that is required by sensors –CIM models and the storage format – CIM/XML that is used to share data between applications.