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Enhancing Underground Network Communications for Wichita and Topeka

Westar Energy is improving its underground electrical networks in Wichita and Topeka. Currently, Wichita hosts approximately 180 network transformers, while Topeka has 26, with a backup feed for the downtown area. Future plans include maintaining network size, adding new customers, and enhancing communication capabilities through ETI Remote Communication Modules (RCMs). By installing communicating relays in network protectors, we'll improve monitoring and protect power flow. We aim to utilize fiber for signal transmission back to our SCADA system, ensuring efficient and reliable network management.

leonard-meyer
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Enhancing Underground Network Communications for Wichita and Topeka

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  1. Westar Energy Underground Networks

  2. Current System • Wichita • ~180 Network Transformers • Not including spot network transformers • Topeka • 26 Network Transformers • Rest of Topeka downtown served from one feed, with backup feed available

  3. Future of Network • Maintain current size • Continue to add new customers in downtown Wichita and Topeka to network • Add communications • Utilizing ETI RCMs

  4. Adding Communications • Difficult to predict exact load flows in a secondary network • Addition of communications devices allows the network to be monitored via SCADA

  5. ETI Remote Communication Modules • Devices used to monitor power flow from network protectors • Speaks DNP3 without needing translator • In the future, we will install communicating relays in network protectors • Communicating relays will perform the same communications functions as RCMs without the need for separate RCM box

  6. Adding Communications • Original plan was to add ETI Remote Communication Modules • Information sent back to SCADA system via Radius PDR Radios • Difficult to maintain line-of-sight from downtown Wichita to receiving antennae • Completed installation on 20 Vault Transformers

  7. Adding Communications

  8. Adding Communications

  9. Adding Communications • Future Plans are to utilize fiber to transmit signal back to SCADA • Use RuggedCom devices to convert from fiber to blue hose cable • Blue hose cable daisy chained between transformers

  10. Adding Communications

  11. Questions?

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