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Westar Energy. Underground Networks. 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. Future of Network. Maintain current size
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Westar Energy Underground Networks
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
Future of Network • Maintain current size • Continue to add new customers in downtown Wichita and Topeka to network • Add communications • Utilizing ETI RCMs
Adding Communications • Difficult to predict exact load flows in a secondary network • Addition of communications devices allows the network to be monitored via SCADA
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
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
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