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Transformer Advantage 3 CTX


Oil, Winding & Ambient Temperature Monitor for Oil-Filled Transformers
Two RTD inputs and 1 or 3 winding current inputs

The Transformer Advantage is a precision ambient temperature monitor for liquid immersed power and distribution transformers. It is rugged, fully electronic and field configurable. With Transformer Advantage, users can extend transformer life, utilize maximum capacity and reduce maintenance costs.

Five models in the Advantage line offer a range of functions and configurations. All use an accurate and stable platinum temperature sensor (RTD) to precisely measure critical liquid temperatures. Probe options fit most popular thermowells, or magnetically mount on units without wells. Setpoint relays can activate alarms or multiple stages of cooling at different temperatures. A sequencing function equalizes run time between cooling stages. The fan timer can exercise fans at a preset time each day.

Advantage 3 CTX
The Advantage CTX adds an extra temperature channel to the capabilities of the Advantage CT. This channel is typically used to monitor ambient or bottom oil. Many control and alarm schemes are possible with up to 12 setpoint relays.

  • Two RTD inputs.
  • One to three winding current inputs.
  • Winding temperature calculated per IEEE guide.
  • Up to 12 relay outputs for cooling and alarms.
  • Analog retransmits.
  • Cooling fan readback.
  • Auxiliary inputs.
  • Loss of life (insulation aging).
  • DNP-3 & Modbus protocols.

Advantage 3 CTX part numbers begin with G5N or G5P; older models with G5E, G5L or G5R

Transformer-Advantage-3-Datasheet                  Advantage-3 Simplified Selector

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Setpoint Relays
First RTD Probe
for TOP OIL or Main Tank FLUID (4 wire).
Second RTD Probe
for Bottom Oil, LTC, or Ambient. Can also monitor a second winding from a heated well.
CT Input

Enter 2 digit code for full scale % of 10 amps.
Example 50=5 amps, 10=1 amp.
Enter 00 for 10 amps.
Enter SA for >10 amps (specify value on order).
Enter SP for <1 amp or special (specify on order).

Note: Letter codes U & T are not available with Ethernet or Fiber communications
SCADA Outputs
Walk-up USB port & DNP3/Modbus protocols included on all models
Thermowell Probe Adapters
Threaded adapter & tip sleeve for each thermowell probe ordered.
Input Options
Miscellaneous Options

3 digits required in part number. If no options needed, select both X & XX.
If more than 3 needed, select S & XX and list on order.
Note: Ethernet or Fiber communications are not available for Power codes U & T. When Miscellaneous Option T, E or G is installed, active port for remote communication is selected during setup. Local USB port is always active.

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