The Active Load Balancer (ALB) is an effective solution to solve power quality issues caused by waveform distortion, low power factor, voltage variations, voltage fluctuations, and load imbalances. It is suitable across various sectors and applications.
The ALB is a high-performance, compact, flexible, modular, and cost-effective type of Active Power Filter (APF). It provides an effective response to power quality problems in both low and high voltage power systems.
Using an ALB can increase equipment lifespan, boost process reliability, improve power system capacity and stability, and reduce energy losses, all while meeting strict power quality standards and grid codes.
Using single-phase loads on a three-phase electric power system leads to unbalanced load conditions. These unbalanced currents cause uneven voltages and can impact other loads at the same connection point. Additionally, they result in excessive neutral current, which may lead to overheating of motors and transformers, increased power losses, and reduced system efficiency. Balancing the loads is crucial for enhancing power quality and system efficiency.
A properly designed and rated Automatic Load Balancer (ALB) can address any unbalanced load from the supply system perspective. It can convert any unbalanced load into a balanced three-phase active power load.
The Active Load Balancer (ALB) uses current control to provide load balancing in 3- and 4-wire systems at their full rated capacity. Its effectiveness in balancing power depends on factors such as the load power factor. The ALB injects capacitive or inductive negative sequence current with an opposite phase to the load's negative sequence current. This process results in symmetrical load and phase voltages, and balanced currents, without transferring active power between the network and the ALB.
An Active Load Balancer (ALB) is beneficial in various low and high voltage scenarios, including:
YT Electric has introduced a new series of Active Load Balancers, designed to perform effectively in high-temperature and heavy-dust environments. As the leading manufacturer of ALB in China, YT Electric specializes in power quality solutions, particularly in low-voltage Active Harmonic Filters (AHF) and Static Var Generators (SVG). All products are certified with ISO9001, CE, and CQC standards, and are supported by type test reports.
For more information on how our APFs can help manage harmonics and improve power quality, visit our website: www.ytelect.com, feel free to contact us: sales@ytelect.com.
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