ABB SACE Tmax XT2 User Manual

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ABB SACE Tmax XT2 User Manual Manual pdf 106 page image

1SDH002031A1002 ECN000092998 Rev. B SACE Tmax XT2 – XT4 | 10630 - Network AnalyzerPresentation The Network Analyzer function allows setting voltage and current checks for a long time, toanalyze the system's operation.For this purpose, voltages and currents are monitored to detect: Voltage sequences (Over, Under, Pos and neg) Voltage imbalance (Unbalanced) Voltage drops, of a short duration (Interruptions) and slow (Sag) Voltage increases, of a short duration (Spike) and slow (Swell) Harmonic distortion of voltages and currents (THD)Each monitor is associated with control parameters that can be set by the user and to countersthat are incremented each time the control condition settings are reached.Parameters The counter configuration parameters are available in the Settings - Network Analyzer menu(page 29).In the Settings menu it is also possible to set the Measurement interval parameter, which definesthe period of each control session.NOTE: the parameter is the same used for current measurements and maximumvoltagesMain MenuParameter Description DefaultEnable Enable/disable the function and the availability of the parameters inthe menu OFFI Harmonic Analysis Activates the harmonic analysis of the currents OFFV Harmonic Analysis Activates the harmonic analysis of the voltages OFFV Low ThresholdCounter control threshold Under V ThThe value is expressed as a percentage of the rated voltage Un,which can be set in a range of: 75% .. 95% Un, with 5% steps85 % UnV High ThresholdCounter control threshold Over V ThThe value is expressed as a percentage of the rated voltage Un,which can be set in a range between: 105, 110, 115% Un110 % UnImbalance V ThCounter control threshold Unbalanced.The value is expressed as a percentage of the rated voltage Un,which can be set in a range of: 2% .. 10% Un, with 1% stepsNOTE: 0% = symmetrical and balanced system3 % UnV Interruption ThCounter control threshold V interruption.The value is expressed as a percentage of the rated voltage Un,which can be set in a range of: 10% .. 95% Un, with 5% steps95 % UnV Spike ThresholdCounter control threshold Spikes.The value is expressed as a percentage of Un, which can be set ina range of: 105% .. 125% Un, with 5% steps105 % UnSags Menu with the control parameters for voltage sagsSurges Menu with the control parameters for voltage surgesHarmonicsAvailable by enabling the harmonic analysis of currents and/orvoltages, the menu allows configuring the harmonic controlparameters