D25 Substation Controller

A Critical Analytical Tool

We call the D25 our “Super IED” (Intelligent Electronic Device) because it functions as a programmable logic controller, substation LAN node, IED gateway, bay level controller, revenue class meter (non-certified), power quality monitor and fault/event (waveform) recorder. The D25 can also be used as a sophisticated equipment monitoring node or a standalone remote terminal unit.

Features & Benefits

The D25 controller replaces multiple devices with a single unit. Unified design reduces wiring and maintenance costs. The D25 controller retrieves data from legacy and third-party devices such as relays, transfers it to a host or enterprise system, monitors and runs diagnostics of primary equipment and expands to meet future physical and functional station requirements.

Local HMI (Human Machine Interface)

D25 has the option of being equipped with two different built-in screens. First option is a Data Display Panel to show status of different points (digital or analog) to the operator. The second option is a Graphical Display Panel (GDP) which is a touch screen monochrome LCD allowing users to configure dynamic displays with one-line diagrams and alarm screens. Local control is also supported with the GDP option making the GDP a fully-fledged local HMI.

Power Quality Information

The D25 measures and records total harmonic distortion, harmonic spectrum (DC to 21st harmonic), RMS trending, RMS profiling, voltage sags, swells and interruptions, allowing operators and analysts to examine the consistency of power going through the system and pinpoint problem areas.

Digital Fault Recording

Fault records can be transferred automatically via a LAN to the substation computer or directly to a remote PC via email. Utility engineers can analyze these recordings to ensure the relay settings are correct.

Substation Metering

Software modules allow 1, 2, 2½ and 3 element metering on as many as six feeders on the same bus in a three-wire configuration, or as many as four feeders on the same bus in a four-wire configuration with revenue class metering accuracy (non-certified).

Soft Logic Automation Function

LogicLinx® is a soft logic automation tool that eliminates the costs of hardwiring automation schemes. The application allows you to create software automation applications that link components accurately and logically.

Automation Applications

A full library of automation applications is available to increase system reliability and efficiency.

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Ordering Information

Phone: 1-403-214-4400
Email: energy.salescalgary@ge.com

Online Technical Support

Customer Service

Phone: 1-800-361-3652
Email: GE4Service@ge.com