Low Voltage Control

Complex energy loads
10 October 2023
Problem

Voltage Regulation Challenges in Modern Low-Voltage Networks

Modern low-voltage distribution networks face increasing voltage instability and non-compliance due to the rapid growth of rooftop solar, EV chargers, and other dynamic or non-linear loads.

These technologies cause frequent and rapid voltage fluctuations, sags, and rises that exceed regulatory limits, especially in weak or high-impedance circuits where traditional voltage regulation methods cannot respond quickly enough.

As a result, maintaining stable, compliant voltage levels and ensuring power quality has become a major challenge for utilities and network operators.

Solution

Complete voltage support for today’s bi-directional low voltage circuits

The LVR-30 is an advanced, low-cost voltage regulation solution designed to maintain regulatory compliance in today’s volatile low-voltage networks impacted by rooftop solar, EV chargers, and complex loads. Featuring sub-cycle response power electronics, it provides continuous, autonomous voltage control—even during excursions exceeding ±20% of nominal voltage—without external intervention.

Suitable for all circuit types and operating conditions, the LVR-30 is highly resilient to poor power quality, high source impedance (up to 1 ohm), and severe disturbances such as motor starts, DOT loads, and arc welder notching, ensuring stable and reliable network performance.

Value

The LVR-30 delivers broad value by ensuring regulatory voltage compliance, deferring costly network upgrades, and improving three-phase voltage balance to enhance equipment performance and stability. It supports virtual power plant efficiency and reduces reliance on inverter volt-var control, thereby improving power factor and solar hosting capacity.

Consumers benefit from stable, flicker-free voltage, extending appliance life and improving overall experience, while utilities achieve their customer service and reliability goals. With over 20 years of proven global deployment, including in harsh environments, the LVR-30 is a reliable, robust, and field-tested solution for modern low-voltage networks.

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