SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona 12-15 May 2003 SIEMENS 1 ON-LINE ESTIMATION AND LOCATION OF NON-TECHNICAL LOSSES IN A DISTRIBUTION SYSTEM.

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Presentation transcript:

SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona May 2003 SIEMENS 1 ON-LINE ESTIMATION AND LOCATION OF NON-TECHNICAL LOSSES IN A DISTRIBUTION SYSTEM A. ILO, J. Koppensteiner, M. Reischböck Siemens R. Cespedes KEMA Consulting P. Parra, H. Socorro, L. Rodriguez, T. Romero ENELVEN

SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona May 2003 SIEMENS 2 Losses  Technical Losses  Thermal power generated in the system elements during normal operation.  Non-technical losses  Defective/incorrect metering  Human errors on installation  Theft

SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona May 2003 SIEMENS 3 Revenue lost  Technical Losses 3-6%  Non-technical losses  Mexico 10-20%  South America %  India 20 – 40 %  USA % (but $1 – and $10 – billion)

SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona May 2003 SIEMENS 4 What can be done ?

SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona May 2003 SIEMENS 5 Distribution Management System in combination with meter readings tracks down week points

SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona May 2003 SIEMENS 6 ON-LINE ESTIMATION AND LOCATION OF NON-TECHNICAL LOSSES IN A DISTRIBUTION SYSTEM  Read Meters (billed energy)  Different day of months  Different periodicity  Technical losses  Calculated from on-line power flow

SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona May 2003 SIEMENS 7 Non-technical losses  SCADA Meters  Read meters (billed energy)  Technical losses

SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona May 2003 SIEMENS 8 Non-technical losses Non-Technical losses in feeder level EBI – Feeder Name Non-Technical losses Eval. Days (EBI days) Transformer list [kWh][%] Alparos (36) Tereal (36) Helui (36)

SIE_Ilo_A1 Austria Session 3 – Block 2 Barcelona May 2003 SIEMENS 9 Non – technical losses Distribution transformers with highest non-technical losses. Feeder: Alparos EBI – Distribution transformer name (TA) Non-technical losses [kWh][%] alpa/24ds/traf alpa/24ds/traf alpa/24ds/traf