A System Solution For Terminal DTU/FTU
Combined Primary And Secondary Distribution

In the end of 2016, The State Grid Corporation of China (SGCC) proposed an overall principle: "the automated terminal DTUs/FTUs (Distribution Terminal Units/Feeder Terminal Units) of the distribution network must take into account the requirements of combining primary and secondary distribution, and must consider replacing traditional electromagnetic transformers with electronic transformers." Analog Devices introduced a set of chip-scale signal links to satisfy these new applications.

ADI offers:

  • A signal processing solution in compliance with the new requirements of the state grid
  • A design which is high reliability and EMC compliant
  • A design compatible with considerations of the short-term and long-term DTU/FTU variations
 

Main Signal Chain

Main Signal Chain Diagram
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Products

Product Type Amplifiers ADC Processors
Model ADA4177-4 / ADA4077-4 / AD628 AD7616 ADSP-BF606 / ADSP-BF607 / ADSP-BF518
Product Type Voltage Reference Isolation Metering AFEs
Model ADR441 / ADR3425 ADuM141D ADE9078 / ADE9000
Product Type LDO DC-to-DC Hot Plug Protector
Model ADP7104 / ADP7182 ADP2441 / ADP2443 / ADP5071 ADM1270
Product Type Interfaces    
Model ADM2587E (RS-485) / ADM3251E (RS-232)      
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Resources

    Application Notes

  • Application Note AN-1409, Achieving Pseudosimultaneous Sampling by Using the AD7616 Flexible Sequencer and Burst Mode — www.analog.com/en/an-1409.pdf
  • Application Note AN-1387, Practical Design Considerations in Applying the ADA4177 Family of Input Overvoltage Protection Operational Amplifiers — www.analog.com/en/an-1387.pdf
  • Application Note AN-1349, PCB Implementation Guidelines to Minimize Radiated Emissions on the ADM2582E/ADM 2587E RS-485/ RS-422 Transceivers — www.analog.com/en/an-1349.pdf