System 1 Bently
Performance Module
The Bently Performance softwaremodule extends functionality of
System 1 to include online monitoringof thermodynamic performance. The
module fully integrates with the System
1 database and display modules togive users access to comprehensive
mechanical and thermodynamic
machine-condition information.

System 1 compressor performance plots

System 1 bar-graph view of performance KPIs

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To ensure that Bently Performanceis properly installed, configured,and commissioned to meet eachcustomer’s application, the module issold as an engineered solution. This
includes services to evaluate andfully implement the requirements for
performance-related calculations
to achieve data accuracy andrepeatability.

Key performance indicators include:• Actual: calculations for current
ambient and operating conditions• Expected: expected output forcomparison to actual outputs• Corrected actual: actual outputs
are transposed to standard day
conditions (ISO or site-specificrating)• Corrected expected: expected
outputs transposed to standard day
conditions
Bently Performance executes
computations based on ASME PTC
codes. All data is accessible fromSystem 1 Display. By correlating andcomparing performance, process, andvibration data within System 1 Display,users will have a better understandingof the overall health of the identifiedmachinery.
The module allows manual input data
to be used when input values are
not available through System 1 DataAcquisition. The manual input data canbe used in performance calculations,and viewed as trended values in
System 1 Display.

Benefits• Determines machine degradation by comparing
measured data with expected data (‘new & clean’)• Calculates performance under reference conditions• Detects inconsistent measurements• Clear analytical displays: e.g. compressor maps, trends, XYplots, etc.
• Connects to process data sources like DCS, historians, etc.,
using industrial standard protocols like OPC• Provides tight integration with System 1Capabilities• Gas turbine modeling– Single, two-shaft, three-shaft, aeroderivatives• Steam turbine modeling– Condensing, non-condensing, with/without extraction,with/without induction• Compressors– Wide variety of compressors including (but not limitedto): air, process, side stream, and screw• Pumps– All types of pumps including water, sea water, vertical,and submersible• Generators• Accurate real-gas calculations using extensive library ofgas properties and equations of state• Hydrocarbon processing pedigree• Traditional displays/plots– Bar graphs– Multi-variable plots– Trend plots– Train diagrams– Compressor maps
– Multi-purpose performance maps
• SI/English units• Integration with System 1, and Decision Support toenable intelligent alarms and customization of knowledgebased rules

S1 Performance display screen

Supported machinery• Gas turbines• Steam turbines (HP/IP/LP)• Compressors• Pumps• Generators• Turbo-expanders

Industry• Upstream, Midstream, andDownstream Oil and Gas• LNG• Chemical and Fertilizer plants• Pipelines• Power GenerationServices• Field services for commissioning• Integrated factory acceptance testing• Onsite and remote monitoring• Performance model tuning• Training• Expander-recompressors• Many others rotary assets

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