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Getting an overall picturefrom multiple data.SITRAM® Condition Monitor from TLM™ – Transformer Lifecycle Management™
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SITRAM® Condition Monitor –all key parameters at a glance
The challenge:
Transformers play a key role in power plants, transport and distribution networks, and in industry. Continu-ous recording and monitoring of the key parameters of the active part, the tap-changer, the bushings and the cooling system is all the more important. As individual sensors only show parts of the overall picture, a monitoring platform is needed to integrate – and jointly analyze – data from all different kinds of sensors.
Example of measured quantities combined in the SITRAM® Condition Monitor
Siemens has developed a modular monitoring system that allows you as the operator to cover all different kinds of sensors, protocols and parameters as cost-efficiently as possible. The SITRAM® Condition Monitor can be used on all your transformers, regardless of manufacturer and age. Customer-specific solutions can be built on a basic version, and it’s also no problem to integrate existing sensors, for example as part of a retrofit solution.
The individual measured values are com-bined directly in the switch cabinet of the monitoring system with a data acquisition unit. Thanks to standardized interfaces, it’s easy to integrate the SITRAM® Guards or other equipment. The SITRAM® Condition Monitor is an open-ended system offering a secure investment even if standards change or additional requirements arise.
With SITRAM® Condition Monitor …
� you get a comprehensive picture of the current status, operating trends, and signals received from your trans-formers.
� faults can be detected early and correct decisions can be taken on a safe basis.
� you receive information for the economical use of maintenance measures to extend the service life.
� you’re on the safe side when it comes to labour safety and environmental protection.
Boost your profitability. SITRAM® Condition Monitor provides a complete picture of the transformer – for greater reliability and longer service life.
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Basic version
The basic version of the SITRAM® Condition Monitor offers measurement analyses for the most important pa-rameters of the transformer condition. For many transformer applications, the basic version guarantees the availability of fundamental information – and thus helps to significantly increase availability and service life.
The following groups of operating parameters are monitored continuously:
� Winding temperatureThe measured oil temperature is used to calculate the load-dependent winding or hot-spot temperature in accordance with IEC/ANSI standard.
� Service life consumptionThe rate of service life consumption is determined on the basis of the calculated hot-spot temperature by applying IEC/ANSI standards.
A solid basis for your transformer reliability
The SITRAM® Condition Monitor also provides remote access to data.
SITRAM® Condition Monitor is part of the SITRAM® MONITORING concept. This refers to our modular solutions for maintaining the availability of your transformers at a high level. We work with you to define the solutions that
precisely meet your needs.
� Fault gas indicationThe continuous monitoring of gases dissolved in oil can be used for early detection of faults in the core-and-coil assembly. Acquisition of the rates of increase is crucial for this assessment. In the basic version, a sensor type that measures mainly hydrogen is used for online analysis of the dissolved gases.
� Moisture-in-oil measurementMoisture accelerates the aging of the insulation and leads to a decrease of the breakdown voltage in the oil. Our solution monitors moisture in the oil and thus also supports the timely use of suitable drying measures such as SITRAM® DRY. As with fault gas indi-cation, the assessment of the change over time is the crucial diagnostic indicator in this case.
Expansion modules
The basic version can be supplemented with:
� Tap-changer monitoring Supports the early detection of mechanical faults and the condition-based maintenance of the switch contacts.
� Bushing monitoring Detects faults in bushings and helps avoid damage to the entire transformer.
� Multigas monitoringSITRAM® GAS-Guard 8 performs the required gas chromatography analyses and fault diagnosis in accordance with IEC 60599 directly at the transformer.
� Partial discharge monitoringIs another sensitive instrument for early fault detection used to aug-ment dissolved gas analysis (DGA).
Laptop
RECLOSER-M CONTROLLER
Zone Indicator Eingabebausteine Linientrenner
Peripheriegeräte
FCIO222
1..41..4
Kameras
Biomass plant
Workstations Management Stations
Handy, Internetsymbole
Wireless InternetHandy
BLP
Pager Fax PDA
CCTV analoger Monitor
SICAM 1703
TM 1703 ACP
SICAM PAS I
SICAM PAS CC SICAM Station Unit
SIPROTEK HV + MV
photovoltaic plant
IEC61850
Local HMI Remote HMI
PLC OLMDCF/GPS Server
SIMEAS P
SITRAM
wind turbine
Contract
NX-AIR
SIPROTEK HV + MV II
SIPROTEC
SIPROTEK EHV
SIMATIC S7-400 PLC
biomass plant Industrieanlage Häuschen Zug
BC 1703 ACP
Leistungstrafo
HV GIS
HV Ableiter
Siprotec Firewall
BCU protection relay
Server Printer Switch
BCU 6MD66 PU 7SA522 AVR Tapcon
Amis GerätSpectrum power3
Spectrum Power CC
Laptop
RECLOSER-M CONTROLLER
Zone Indicator Eingabebausteine Linientrenner
Peripheriegeräte
FCIO222
1..41..4
Kameras
Biomass plant
Workstations Management Stations
Handy, Internetsymbole
Wireless InternetHandy
BLP
Pager Fax PDA
CCTV analoger Monitor
SICAM 1703
TM 1703 ACP
SICAM PAS I
SICAM PAS CC SICAM Station Unit
SIPROTEK HV + MV
photovoltaic plant
IEC61850
Local HMI Remote HMI
PLC OLMDCF/GPS Server
SIMEAS P
SITRAM
wind turbine
Contract
NX-AIR
SIPROTEK HV + MV II
SIPROTEC
SIPROTEK EHV
SIMATIC S7-400 PLC
biomass plant Industrieanlage Häuschen Zug
BC 1703 ACP
Leistungstrafo
HV GIS
HV Ableiter
Siprotec Firewall
BCU protection relay
Server Printer Switch
BCU 6MD66 PU 7SA522 AVR Tapcon
Amis GerätSpectrum power3
Spectrum Power CC
Guards
Condition Monitor
IEDs
Example of the SITRAM® Condition Monitor with tap-changer monitoringon a three-phase power transformer
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Keep an eye on all data – live and recorded
Measured data from sensors and guards is combined in the data acquisition unit and made available via a standard in-terface. The parameters for the limit values are set in a teach-in phase and then monitored continuously. The current status can be read directly on the transformer or by remote access via the corporate network. All data is archived for subsequent evaluation and for drawing up trend analyses.
Tailored visualization
Determining the best possible data visualization basically depends on the requirements at hand. That’s why we offer different options for presenting the measured data in user-friendly form in any environment, from LCD display to Web-based visualization.
From data acquisition to asset protection
[email protected] � www.siemens.com/energy/TLM
SITRAM® Condition Monitor –complete protection at a glance
� Comprehensive overview: SITRAM® CM concentrates the data from individual sensors to provide a complete picture of the actual condition of your transformer.
� Early fault detection: SITRAM® CM monitors all limit values and creates the basis for reliable trend analyses. Faults are identified at an early stage, and damages can certainly be avoided.
� Short reaction times: In the event of deviations from the standard, service measures from the TLM™-portfolio can be initiated.
� Cost saving: Maintenance measures can be planned in good time. Costs for faults are reduced and strategic decisions are backed by long-term data sequences.
� A wide range of applications: SITRAM® CM can be used on all transformers in power generation, in industry and in the transmission and distribution system:
– industrial transformers – generator transformers – strategically important
transmission transformers
� Vendor-neutral solution: Thanks to its flexible configuration capability, SITRAM® CM can be used on transformers from all manufacturers.
� Individual display: We offer a suitable visualization option – whatever your requirements and environment are.
� Overview of power reserve
Keeping an eye on all key parameters Example of user-friendly data visualization
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SITRAM® Condition Monitor:Facts and figures
Basic version
Oil temperature
Winding hotspot temperature
Overload capability
Aging rate and service life consumption
Load factor
Losses
Gas-in-oil content
Moisture-in-oil content
Main data
Class of protection min. IP 54
Temperature range –40 °C to +55 °C
Power supply Multi-range supply
Signaling Potential-free contacts, standard interfaces (RS-232, Ethernet, etc.)
Visualization User-defined graphical solutions
Data storage Database with standard export functions
Protocols IEC 60870-5-101/104, Modbus, DNP3, IEC 61850;other protocols on request
Architecture Data acquisition and box PC on the transformer or data acquisition on the transformer and PC in the control room
Type-tested to DIN/EN 55011 (Radio disturbance characteristics)
EN/IEC 61000 (Electromagnetic compatibility)
EN/IEC 60068 (Environmental testing)
EN/IEC 61010 (Safety requirements)
Expansion modules
Tap-changer monitoring
Tap position
Number of switching operations
Power consumption of motor drive
Contact wear (approximated)
Oil temperature, tap-changer compartment
Oil temperature differential, tap-changer compartment – main tank
Bushing monitoring
Operating voltages
Overvoltages
Relative change of capacitances
Vector sum of the capacitive currents of three phases
Multigas monitoring
SITRAM® GAS-Guard 8 or SITRAM® GAS Guard 3
Partial discharge monitoring
Electrical/acoustic/UHF partial discharge measurement
Cooling system monitoring
Operating state of the pumps and fans
Operating times of the pumps and fans
Cooler efficiency monitoring
Getting an overall picture from multiple data – SITRAM® Condition Monitor
www.siemens.com/energy
Published by and copyright © 2009:Siemens AG Energy Sector Freyeslebenstr. 1 91058 Erlangen, Germany
Siemens AGEnergy SectorTransformer Lifecycle Management™Katzwanger Str. 150 90461 Nuremberg, Germanye-mail: [email protected]/energy/TLM
For more information, contact ourCustomer Support Center. Phone: +49 180/524 70 00 Fax: +49 180/524 24 71 (Charges depending on provider) e-mail: [email protected]
Power Transmission Division Order No. E50001-G640-A136-X-4A00Printed in Germany Dispo 19200, c4bs No. 7487 GB-081033 470891 WS 11092.
Printed on elementary chlorine-free bleached paper.
All rights reserved.Trademarks mentioned in this document are the property of Siemens AG, its affiliates, or their respective owners.
Subject to change without prior notice. The information in this document contains general descriptions of the technical options available, which may not apply in all cases. The required technical options should therefore be specified in the contract.
