Alstom has finalized the delivery of a new Distribution Management System (DMS) that is helping the Nashville Electric Service (NES) reduce peak demand for electricity by as much as 40 MW. This new control room technology enables NES operators to reduce voltage and enhance situational awareness for improved efficiency, safety and reliability.
The new DMS is based on Alstom’s e-terradistribution 3.0 platform and features Alstom Grid’s industry-proven Integrated Volt-Var Optimization (IVVO) functionality. The technology allows NES to meet its Conservation Voltage Reduction (CVR) agreement with the Tennessee Valley Authority, aimed at reducing peak demand for electricity. The DMS is also integrated with NES’ Automated Metering Infrastructure (AMI) smart meter network to ensure that all voltages across the system comply with ANSI standards.
NES engineers will use real-time power flow analysis and 3-phase unbalanced power flows within Alstom Grid’s Distribution Operators Training Simulator (DOTS) module for short-term grid management planning based on real-time system topology and conditions. NES also plans to use DOTS to allow their operators to examine complex switching schemes in study mode, both increasing operational efficiency and improving the safety of field crews.
“Alstom Grid has a long-standing relationship with NES, which has been using our e-terra platform for years. They have been an active member of our Users Group community and we are proud to have delivered our leading edge DMS to support them in achieving their Smart Grid and energy conservation goals,” said Karim El Naggar, Alstom Grid Vice President, Network Management Solutions.