Subsystems

Supporting systems that enable the functions of Energy Resources and Market & Systems Operations in conventional, transforming and future power systems.

Operations Technology (OT)

Programmable systems or devices that interact with the physical environment and/or manage devices that interact with the physical environment. Examples may include industrial control systems,

Outage Management System (OMS)

A computer-aided system used to better manage the response to power outages or other planned or unplanned power quality events. It can serve as the

Power Electronics

The application of electronic devices and systems for controlling and converting electrical power in various forms. They are commonly used in Inverters to enable fast

Primary Frequency Response (PFR)

The first stage of Frequency control in a Power System. It is the response of generating systems and loads to arrest and correct locally detected

Recloser

An electro-mechanical device that can react to a Fault by interrupting electrical flow and automatically reconnecting it a short time later. Reclosers function as circuit

Slow Response Voltage Control

Managing small adjustments to Reactive Power during normal operation as Demand and Supply varies, in timescales within seconds or minutes.  This can be enacted by

State Estimation

A computational process used to estimate the real-time operating conditions of a Power System segment, such as a distribution Feeder, based on limited data being

Static Operating Envelope

The technical limits that Distributed Energy Resources (DER) must operate within to maintain the security, reliability and power quality of the distribution network and broader

Under Frequency Load Shedding (UFLS)

A protective measure implemented in Power Systems to avoid the potential for Cascading Outages during a significant drop in system Frequency and/or the need to