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Siemens TMDS® Transformer Monitoring and Diagnostic System

© Siemens AG 2014 All Rights Reserved.

Smart Grid Division

Siemens Transformer Lifecycle Management

Planning Studies • Condition Assessment

• Contingency Planning

• ARMA

• Uprate Studies

Engineered Solutions • SIT DRY®

• Replacements Parts: A/C, FP, ELIN, Siemens

Field Services • Turnkey Replacement

Projects

• Emergency Response

• Testing

Specialty HV Test

Standard (PF etc.)

Diagnostics • Sensors (GAS-Guards)

• Centralized (TMDS® )

• Distributed ( TMDS® SM)


Smart Grid Division

Siemens TMDS® Transformer Monitoring & Diagnostic System

TMDS® suite of solutions are expert monitoring systems which integrate and analyze multiple transformer parameters to provide complete asset health assessment and management

• Advanced detection of abnormal conditions by capturing statistically significant data based on transformer operation

• ANSI/IEEE co-relational engineering models convert monitored data in to actionable information

• Dynamic modeling to facilitate real time transformer loading without increased ageing

• Self-Diagnostics - Automatically detects bad sensor data to avoid false diagnosis

• Supportive of different preferences in sensing technologies and integration


Smart Grid Division

• Codes generate/diagnostic messages displayed in TMDSL Screen • Recommended Action, Trend and Prognosis driven by Rules based on logic tree

and correlation of other model variables • Screen Graphic driven by codes generated and values measured

IEEE/IEC Thermal Model

-Ambient Temperature-Oil Temperature-Winding Temperature-Hot Spot Temperature

Bushing Model

-Relative Capacitance Deviation

DGA Model

-H , CH , C H , C H , C H ,O CO , CO

2 4 2 4

2 6 2 2 2

2

Moisture Model

Prognosis & Correlation Model (Rule/Table based)

- Thermal Calc with Oommen Curve Analysis

Oil Level Model

- Oil Level Calculation with Thermal Expansion

- Model incorporates statistical significance analysis, identifies data falling within predefined limits of confidence intervals (95%, 80% etc..), quickly identifies statistical breakout prior to alarms and trips

Model Alarm & Statistical Variance Codes

Rule based correlation datarequest

A

Siemens TMDS® - Knowledge Application


Smart Grid Division

System provides continuous diagnosis of condition & recommended action if appropriate

Operational recommendations to reduce probability of catastrophic failure



Smart Grid Division



Smart Grid Division



Bushing Model

-Relative Capacitance Deviation

DGA Model

-H , CH , C H , C H , C H ,O CO , CO

2 4 2 4

2 6 2 2 2

2

Moisture Model


Oil Level Model


Trending Model

- Trending Analysis

Cumulative Aging Model

- Hot Spot Temp vs Accelerated Aging

- Model incorporates statistical significance analysis, identif ies data falling within predefined limits of confidence intervals (95%, 80% etc..), quickly identifies statistical breakout prior to alarms and trips

Operational Thermal Load Limit Models

- Hot Spot Temp Limit Prediction @ current load

- Hot Spot Temp for new load point

Cooling System Model

- Cooling System Effectiveness

DGA Model

Remote Monitoring

SubstationGateway

- Installat ion & Configuration- Data Analysis- Long Term Storage- Diagnostic Messages

MasterCubicle

LocalCubicle

Typical SubstationConfiguration

TMDS 2000L (Centralized Solution)TMDSComponents

Note; In addition to transformer models TMDS has built in diagnostics associated with I/O communication (broken wire), data runaway (sensor error data acquisition) and panel doors and temperature

TMDS® Supports Central Diagnostics Strategies


Smart Grid Division

SubstationGateway

SubstationGateway

Remote Monitoring

- Installat ion & Configuration- Data Analysis- Diagnostic Messages

MasterCubicle

MasterCubicle

LocalCubicle

LocalCubicle



TMDS 2000L (Centralized Solution) TMDS 2000L (Centralized Solution)TMDSComponents

TMDSComponents

Central DataRepository

Non-Operational

MaintenanceMgmt

System

WorkforceMgmt

System

OperationalDataStore

Enterprise Gateway

Sensor Data sent toTMDS periodicallyfor analysis

Web access- eMail- Paging

Calculated data andalarms, messagessent to data basesor other applications

TMDS® Supports Central Diagnostics Strategies – And Data Integration


Smart Grid Division

Remote Monitoring

Installation &Configuration

SubstationGateway

Offline Analysis& Long TermData Capture


Smart Monitor (Distributed Solution)

Smart Monitor



Bushing Model

-Relative Capacitance Deviation-Limit Based

-Limit Based

DGA Model

-H , CH , C H , C H , C H ,O CO , CO

2 4 2 4

2 6 2 2 2

2

Moisture Model


Oil Level Model


Cumulative Aging Model

- Hot Spot Temp vs Accelerated Aging

-Limit Based

-Limit Based

-Limit Based

Trending Model

- Trending Analysis- Defined Period

Trending Model

- Trending Analysis- Multiple Period

Cooling System Model

- Cooling System Effectiveness-Cooling System Control

- LapTop based tools for off line analysis of data for multiple periods

TMDS® SMART MONITOR Supports Distributed Diagnostics Strategies


Smart Grid Division

Front View Rear view

Local Panel

Central Panel

TMDS® Supports Central Diagnostics Strategies


Smart Grid Division

TMDS® SMART MONITOR Supports Distributed Diagnostics Strategies

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