Power quality monitoring saves design time and cost

21st October 2016

Analog Devices

Lanna Deamer

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Datasheet

To help extend the health and life of industrial equipment while saving developers significant time and cost over custom solutions, Analog Devices has introduced a highly integrated polyphase analogue front end (AFE) with power quality analysis. Achieving accurate, power quality monitoring typically requires customised development, which can be expensive and time-consuming.

The ADE9000 AFE is an off-the-shelf solution with embedded power quality algorithms and integrated with high-performance ADCs (Analogue-to-Digital Converters) in one single device. This integration simplifies additional complex algorithm programming, reduces cost and component count, and increases speed to market while still achieving high accuracy and enabling EN61000-4-30 Class S for power quality. Equipment in factories, hospitals, commercial buildings, and other settings is often susceptible to service interruption, premature failure, and long-term damage caused by disturbances and variations in the power supply, known as pollution. In many cases, this pollution in the power supply can go undetected before damaging expensive equipment.

The ADE9000 AFE enables designers of power quality monitoring solutions to measure and analyse pollution in order to prevent these disruptions and long-term damage, primarily for three-phase power metres.

The ADE9000 AFE integrates seven high-performance ADCs, a high-end reference, a flexible DSP (Digital Signal Processing) core, and proprietary algorithms into a single convenient device. High accuracy is driven by the ADCs and reference which provide low drift over temperature and the highest accuracy over the widest dynamic range. Pre-programmed proprietary power quality software provide real-time monitoring and harmonic analysis, including magnitude and phase information. This enables timely and cost-saving corrective action when necessary.