Low Voltage Grid Digitalization Rainer Brade Product Manager Unrestricted Siemens AG Österreich 2017 siemens.at/future-of-energy
Digital Transformation is Happening Now Market Trends From central power plants to agile self-generating prosumers From manual unit-by-unit tuning to self-learning site optimization From manual meter readings to smart data end-to-end processes Page 2
Digital Transformation is Happening Now Today Tomorrow Unidirectional power flow Bidirectional power flow Meshed system throughout voltage levels Radial system Simple protection No data acquisition No intelligence Prosumers Intelligent Transformer Substations Low Voltage Digitalization Generation at MV level Generation at MV level Comprehensive automation Multifunctional communication ecar Infrastructure Energy Storage Page 3
Digitalization in three Level LV Grid Digitalization Drivers 1. Monitoring 2. Metering 3. Remote Control / Automation Reduction of: CAPEX: Capital Expenditure Power Reliability Fast Fault location in the Grid Enabling Grid Self Healing Power Quality Measuring Unbalances, Technical Losses and energy theft Enabling Voltage Regulation and Self Optimization Power management and increased availability Energy monitoring, communication and remote control reducing operation costs Short off time after tripping OPEX: SAIDI: SAIFI: Operational Expenditure System Average Interruption Duration Index System Average Interruption Frequency Index SAIFI CAPEX SAIIDI OPEX Page 4
1. Monitoring Fault Location in The Cloud 1. Monitoring SAIIDI OPEX Use Cases Customer Benefits Power Reliability Fast fault localization in the grid Enabling self healing Siemens Portfolio Low voltage fuse protection with blown fuse detection Low Voltage Circuit Breaker with trip alarm switch SICAM FCG (Fault Collector Gateway) FliC Account Page 5
1. Monitoring Page 6
2. Metering Low Voltage Meetering 2. Metering CAPEX SAIIDI OPEX Use Cases Customer Benefits Power Quality Measuring unbalances, technical losses and energy theft Enabling voltage regulation and self optimization Siemens Portfolio Circuit breaker with integrated metering Single Metering Devices Multi Metering Devices for multiple tap-offs (UL) Page 7
3. Remote control / automation Remote Circuit Breaker 3. Remote Control / Automation SAIFI CAPEX SAIIDI OPEX Use Cases Customer Benefits Power management and increased availability Energy monitoring, communication and remote control reducing operation costs Short off time after tripping Siemens Portfolio Circuit Breaker with integrated Monitoring, Meetering and Communication + Motor Operator Communication Interface (A8000) Page 8
Customer View Visibility Unbalances and Losses Pilot Project Including: 300 Secondary Substations Improve customer attention and reduce penalties in case of black out F A Low Voltage Network Digitalization B Monitoring and Control OBJECTIVE: Value creation for business and customers by the development of an automated Low Voltage network management Providing more value added information to the customers E Efficiency and Safety D C Analysis and Simulation Save and Cost Optimized Maintenance Value to the Utiltiy Value to the End Customer Page 9
Customer Requirements Remote management, supervision and automation of single pole low voltage feeders Scope / Solution Measurement Low voltage single phase protection 1pole remote control / automation Advanced low voltage supervision Boundaries Current solution fuse protected No local competitors known Customer is testing automatic double fuse link solution; see next page Customer Benefits Increase safety (remote switching) Maintenance cost reduction Reduction of financial impacts due black outs on grid side Avoidance of power theft Automatic customer allocation Customer Statement For Every Smart Meter, metering in the substation / street cabinet is needed for data matching: Identifying technical and non technical losses Automatic customer allocation to phases Management Software needed to bring meter data together (potential cloud application) Page 10
Portfolio for Secondary Substations Protection of Auxiliary Supply SDF MCB RCCB SPD 3NP1 5SL 5SV 5SD7 Low Voltage Feeders Monitoring Power Meter and Power Quality Recorder SICAM Fuse Monitoring 5TT3170 Low Voltage Main Breaker MCCB SDF LV HRC Fuse 3VA 3NJ4 3NA/3ND Options: Fused and fuse less protection Integrated measuring function Communication Motor drive ACB MCCB SD SDF 3WL 3VA 3KD 3NJ4 Options: Fused and fuse less protection Integrated measuring function Communication Motor drive Page 11
8MF Substations Page 12
Contact Rainer Brade RC-AT EM LP Wolfgang Pauli Strasse 2 4020 Linz Mobile: +43 0664 80117 65238 E-Mail: rainer.brade@siemens.com siemens.at/future-of-energy Page 13