Design of the Internet of Things for Power Grids: Using Wi-Fi to Connect Circuit Breakers and Sensors

灞波儿奔

Design of the Internet of Things for Power Grids: Using Wi-Fi to Connect Circuit Breakers and Sensors [Copy link]

The CC3235S and CC3235SF SimpleLink Wi-Fi devices support 5 GHz and 2.4 GHz and can coexist with Bluetooth Low Energy/2.4 GHz. Although security is one of the biggest challenges in wireless communications, technological advances such as hardware cryptographic accelerators, file encryption, file authentication, cloning protection, and secure boot have been incorporated into the CC3235S and CC3235SF, which help prevent unauthorized users from accessing and controlling grid equipment. The devices are Federal Information Processing Standard (FIPS) 140-2 Level 1 certified and use up to 16 concurrent security layers to provide enhanced security. The figure shows the functional block diagram of the CC3235S and CC3235SF. Wi-Fi connectivity
can be used as an extension or redundant communication path in addition to wired connectivity. Wi-Fi can be used to enhance connectivity so that any asset can be monitored and controlled from a remote location through the cloud. Our CC3220S, CC3220SF, CC3235S and CC3235SF Wi-Fi radios, combined with an integrated network processor, application processor (ARM Cortex-M4), extensive security features and our reference design, make it easy, fast and secure to add Wi-Fi connectivity to residential or substation grid equipment. Click on the web link to view our "Internet of Everything Grid Reference Design: Connecting Circuit Breakers and Sensors to Other Devices via Wi-Fi."

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