Eaton BushingGard

Eaton’s BushingGard Predictive Diagnostic solution uses predictive

diagnostics to help users prevent malfunctions or breakdowns in

large power transformer bushing equipment. The self-operating

systems and remote monitoring services provide real-time detection

and allow users to work towards solving problems instead of finding

them. The bushing sensor requires minimum resources, accounts for

minimal outage time, allows for onsite communication, and results in

faster and easier installation.

Core features

• Suitable for use with any condensing type bushing found in transformers,

circuit breakers, shunt reactors, etc. With the InsulGard, it can be used to

detect partial discharge in systems above 38KV.

• All monitoring, necessary sensors, recording equipment and diagnostic

software are non-invasive, which eliminates downtime and power interruptions.

• Self-operating system saves on labor costs because staff can now spend

time solving problems rather than uncovering them.

• Remote monitoring services and on-site equipment evaluation provides

expertise when you need it.

• Display panel shows an output signal proportional to the relative change

in the bushings’ currents due to insulation deterioration, which means users

receive accurate information for both the power factor and capacitance of

the monitored bushing set.

• Multi-function LED is a different color for normal (green), warning (yellow),

and alarm (red), providing instant recognition of the severity of any problem.

• Parameters can be programmed at the panel or remotely through an optional

computer link-up, units are self-diagnosing, and users can pinpoint any

malfunction locally as well as remotely.

• Self-contained unit requires minimum resources and outage time. Comes

standard with NEMA 4 enclosure, diagnostic software, a three- or six-bushing

sensor set, and with an RS-485 Modbus RTU port that allows on-site

communication. The complete package means faster and easier installation.

• Uses the same sensor set to perform online periodic monitoring of partial

discharge (arcing or sparking). That information helps analyze root causes

of internal gassing or other discharge activity related to the winding insulation,

internal connections, bushings, or magnetic core iron.

• Highly sensitive instrumentation can detect PD signals as low as 20-30 pC

even in extremely noisy environments like those in substations or power plants,

which means accurate reports that allow for better decision making.

• Available with a commercial-grade modem for remote communication.

• Customized bushing sensors available with appropriate lead-time.