Analog Devices has released a data acquisition system (DAS) that enhances smart grid equipment monitoring in order to protect equipment from harmful system faults and improve power delivery to residences and businesses. As electricity demand grows and renewable energy generation is added, utility companies must increase the scope, granularity and accuracy of monitoring points across the distribution grid. Current data acquisition systems often require complex design work and expensive integration that can exceed the needs of the application.
The new AD7616 DAS from Analog Devices supports Class 0.2 measurement accuracy and enables the development of faster, more sensitive and affordable fault detection equipment that helps protection relay operators minimize the high costs associated with repairing and replacing damaged components.
The AD7616 DAS simplifies designs and lowers system costs by reducing the need for multiple parts in high channel count applications by integrating dual simultaneous sampling of 16 channels. The DAS operates from a single 5 V supply and can accommodate ±10 V, ±5 V, and ±2.5 V true bipolar input signals while sampling at throughput rates up to 1 MSPS per channel pair. Additionally, the device’s input structure eliminates the need for additional external protection circuits or external signal conditioning that add cost.
Integrated on-chip filtering and high input impedance (1M ohm) eliminate the need for driver op-amps and external bipolar supplies. Furthermore the high accuracy on-chip ADCs provide a 90 dB SNR, enabling Class 0.2 measurement accuracy compliance and producing more accurate, reliable, time coherent data. Higher SNR performance of 92 dB can be achieved by using the on-chip oversampling mode.
The AD7616 DAS is suitable for a range of distribution applications such as relay protection for low-voltage distribution and feeder terminal units. The new device is also ideal for multiphase motor control and industrial instrumentation applications.
Features and Benefits
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Click here to download the datasheet.
The AD7616 DAS is supported by the EVAL-AD7616SDZ which is a full featured evaluation board designed to easily evaluate all features of the AD7616 analog-to-digital converter (ADC). The evaluation board can be controlled by the EVAL-SDP-CB1Z via the 120-way SDP connector (J10). The EVAL-SDP-CB1Z SDP-B board controls the evaluation board through a USB port of a PC using the evaluation board software which can be downloaded here (341Mb). The EVAL-AD7616SDZ user guide can be downloaded here.
Anglia are offering customers a FREE evaluation kit and samples of the AD7616 Data Acquisition System from Analog Devices, please fill in the form below to register interest now.
FREE samples for UK and Ireland customers only, subject to availability.
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