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Substation automation

Products and reference designs
Block diagram

Substation automation

Block diagram

Overview

Our integrated circuits and reference designs help you develop a substation automation ecosystem with equipment that monitors grid asset health by acquiring current, voltage and status data from various sensors for optimal substation operation.

Design requirements

Substation automation often requires:

  • Simultaneous voltage and current sampling and data synchronization across equipment.
  • High-precision time stamping for data communication.
  • Real-time communication with redundancy for multiple industrial protocols.

Block diagram

Find products and reference designs for your system.

Merging Unit

Terminal Unit (RTU, DTU, FTU, TTU)

Terminal Unit (RTU, DTU, FTU, TTU)

± 5.0V ± 5.0V 3.3V 3.3V ± 15.0V ± 15.0V ± 12.0V ± 12.0V ± 5.0V ± 5.0V 3.3V 3.3V ± 2.5V ± 2.5V CT/PT/ di/dt CT/PT/ di/dt Rdiv Rdiv AC Input AC Input Self-Diagnostics/Monitoring Self-Diagnostics/Monitoring Humidity Humidity Temperature Temperature Supervisor/Watchdog Supervisor/Watchdog Clocking Clocking Clock Buffer Clock Buffer Synthesizer Synthesizer Interface Isolation Interface Isolation Digital Isolator Digital Isolator Digital Isolator Digital Isolator Wireless Interface Wireless Interface Wi-Fi Wi-Fi LPRF LPRF DC Input DC Input Input Power Protection Input Power Protection eFuse eFuse Isolated DC/DC Power Supply Isolated DC/DC Power Supply LDO LDO LDO LDO Transformer Driver Transformer Driver Digital Processing Digital Processing DSP DSP MPU MPU Level Translator Level Translator Wired Interface Wired Interface ETH-PHY ETH-PHY USB USB Serial Interface Serial Interface CAN CAN RS-232 RS-232 RS-485 RS-485 UART Expander UART Expander Bus Transceiver Bus Transceiver Output User Interface Output User Interface LED Driver LED Driver DAC DAC Relay Driver Relay Driver Signal Output Protection Signal Output Protection Protection Protection Protection Protection Protection Protection Memory Memory DDR Termination DDR Termination Isolated AC/DC Power Supply Isolated AC/DC Power Supply Mosfet Mosfet Mosfet Mosfet Synchronous Rectifer SynchronousRectifer PWM Controller PWM Controller ORing ORing Non-Isolated DC/DC Power Supply Non-Isolated DC/DC Power Supply DC/DC DC/DC PMIC PMIC Voltage Sequencer Voltage Sequencer LDO LDO Zero Cross Over Analog Front-End Zero Cross Over Analog Front-End MUX MUX COMP COMP Analog PLL Analog PLL Signal Isolation Signal Isolation Digital Isolator Digital Isolator Digital Isolator Digital Isolator Analog Front-End Analog Front-End REF REF Buffer Buffer INA INA AMP AMP ADC ADC ADC ADC AMC AMC Signal Input Protection Signal Input Protection Protection Protection Protection Protection

Technical documentation

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Type Title Date
Technical article Advantages of using nonisolated DC/DC power buck modules in DAQ applications PDF | HTML 25 Sep 2023
Technical article Covering wide analog input measurement for grid protection and control using 24-bi PDF | HTML 23 Aug 2023
White paper Enabling and integrating wired & wireless technologies for grid interoperability 22 Mar 2019
Technical article Interfacing multiple ADCs to a single processor for grid protection and control PDF | HTML 22 Aug 2023
Technical article Implementing Wi-Fi® connectivity for grid protection and control PDF | HTML 18 Jul 2023
White paper Moving from conventional to intelligent substations 17 Jan 2019
Technical article Enhancing DAQ performance for grid protection, control and monitoring equipment us PDF | HTML 16 Jun 2023
Technical article Benefits of using Sub-1 GHz connectivity for grid asset monitoring, protection and PDF | HTML 14 Jul 2023
Application note Expanding Analog Input Channels in Grid Applications (Using 16-Channel, 16-Bit, (Rev. A) 10 May 2022
Technical article Improving sensor DAQ performance using the PRU-ICSS for grid protection and contro PDF | HTML 09 Aug 2023
Technical article Overcoming Ethernet connectivity challenges on the power grid PDF | HTML 02 Aug 2023

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