Voltage management for modern distribution networks

powerPerfector iQ is a new approach to voltage management, designed to address the challenges facing today’s low voltage electricity networks.

As electricity networks evolve to support distributed generation, electric vehicles and changing demand patterns, maintaining stable and efficient voltage has become increasingly complex. PowerPerfector iQ has been developed to provide a responsive, intelligent solution for managing voltage and power quality at the network edge.

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Understanding the approach

An overview of the network challenge, the PowerPerfector iQ solution and how it performs in real-world conditions.

The changing electricity network

Electricity distribution networks are under increasing pressure as energy systems evolve.

The growth of electric vehicle charging, electrified heating and distributed generation is creating new challenges within low voltage networks, including:

voltage instability across distribution feeders
overvoltage caused by distributed generation
increasing phase imbalance
rising peak demand on local infrastructure
reduced network efficiency

Traditional voltage control technologies were designed for more predictable conditions and can struggle to respond dynamically to these changes.

Network challenges

How powerPerfector iQ addresses the issues faced by the changing electricity network.

A new approach to voltage management

powerPerfector iQ has been designed specifically to address these emerging challenges.

Building on established voltage optimisation expertise, the system applies advanced control and phase balancing to maintain stable voltage across varying network conditions.

Unlike traditional approaches based on fixed transformer ratios or mechanical tap changing, powerPerfector iQ provides a more responsive and adaptive method of managing voltage within low voltage distribution networks.

Key benefits:

Stable and controlled output voltage
Improved network efficiency
Support for Conservation Voltage Reduction (CVR)
Active phase balancing
Improved power quality

Technology overview

Learn more about how powerPerfector iQ works and the range of technical applications for electricity distribution networks.

Designed for real network conditions

powerPerfector iQ has been developed to operate within real-world distribution networks, where voltage conditions vary continuously and load profiles are increasingly dynamic.

The system is designed for deployment within secondary substations, enabling direct influence over low voltage networks and local demand conditions.

A recent trial with Scottish and Southern Electricity Networks (SSEN) has provided further insight into system performance, with full results available to read here:

Case study: powerPerfector iQ installation trial for SSEN

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powerPerfector iQ trial for SSEN

Case study evaluating iQ in low voltage network.

powerPerfector iQ has demonstrated a practical and innovative approach to managing voltage on our low voltage network. The trial has shown clear potential to improve voltage stability while supporting wider network efficiency objectives. We’ve been particularly encouraged by the ease of integration and the quality of data insights provided.

David Smith
Senior Engineer
SSEN

Applications across the distribution network

powerPerfector iQ can be applied across a range of voltage management and power quality challenges.

Conservation Voltage Reduction (CVR)

powerPerfector energy management platform

Voltage management in low voltage networks

Phase imbalance correction

Voltage stability in distribution feeders

Power quality improvement

Smart grid voltage control

Electric vehicle grid impact mitigation

Distributed energy resource (DER) management

Explore how PowerPerfector iQ addresses specific network challenges.

View technical applications

Proven through network trials

PowerPerfector iQ is currently undergoing trials within live electricity networks. Initial results are encouraging, with full performance data to be published following completion of the current SSEN trial.