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Insight Posted 3rd November 2025

​​SuperTAPP SG -Tapchanger Control​ 

The most versatile, future-focused and cost-effective voltage control solution for electricity networks. SuperTAPP SG Features: SuperTAPP SG Benefits: SuperTAPP SG Function Levels: Additional Services Available: Interested? Let’s Talk Download
Voltage monitoring equipment with control interface and display for tap management.

Control panel of a SuperTAP SG voltage regulating device with various buttons and display.

The most versatile, future-focused and cost-effective voltage control solution for electricity networks.

SuperTAPP SG Features:

  • Proven-solution for any network application

  • Compatible with any tapchanger type

  • Suitable for legacy and new systems

  • Function levels and cost matched to your needs

  • Easy software upgrade paths for all function levels

  • SCADA support incl. DNP3, IEC61850 etc.

  • Integrated control panel

  • Transformer paralleling

  • Tapchanger ‘runaway’ prevention

  • VT fuse failure detection

  • Advanced voltage averaging for three-winding transformer applications

  • Transformer temperature control (pumps and fans)

  • PC software for fleet management

  • Fourth generation of SuperTAPP combining more than 30 years’ experience and expertise

SuperTAPP SG Benefits:

  • Optimise system voltages

  • Improve system efficiency

  • Unlock grid capacity

  • Accommodate more DER

  • Reduce voltage complaints

  • Reduce reinforcement costs

  • Future-proof for the energy transition

  • Cost-effective

  • Market-leading innovative solution

  • Proven solution: UK standard solution with > 4,000 units in service

SuperTAPP SG Function Levels:

  • Essential (entry-level, simple AVC)

  • Basic (Essential + utility-level functions)

  • Advanced (Basic + extra measurements for DER)

  • Ultimate (Advanced + flexibility services functions)

Additional Services Available:

  • Design, installation and commissioning of AVC/AVR schemes

  • Upgrade and modernisation service for AVC/AVR schemes

  • AVC/AVR cubicles

  • Tapchanger services

  • Voltage compliance service

  • Reverse power assessments

  • Consultancy

Interested? Let’s Talk

Download

  • [

    SuperTAPP SG One Pager

    ](https://fundamentals.tech/wp-content/uploads/2025/11/SuperTAPP-SG.pdf-1.pdf "Download SuperTAPP SG One Pager")

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