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Motor Parameter Estimation

The ETAP Battery Sizing module provides you with a powerful tool to accomplish this task.


The ETAP Battery Sizing module provides you with a powerful tool to accomplish this task. In complying with IEEE Standard 485-1997, it determines the number of strings, number of cells, and cell size of a battery for a designated duty cycle. The number of cells is determined to satisfy the maximum system voltage during the battery charging period and the minimum system voltage during the battery discharging period. The number of strings and cell size is determined to provide sufficient power to the load cycle considering the minimum system voltage and the minimum operating temperature. It also considers different factors that affect battery performance, such as design margin, aging compensation, initial capacity, and temperature, etc.

Battery Sizing Software Key Features

  • IEEE Standards 308, 485, 946
  • Integrated AC, DC, & Control System Diagram
  • Voltage drop & loss consideration
  • Class 1E DC power & control system models
  • Duty cycle diversity factor
  • Load model type per operating characteristics
  • Battery duty cycle calculated from individual loads
  • Options for battery & load duty cycle 1 min span
  • Multiple user selected options for battery characteristic interpolation
  • Multiple diversity & correction factors
  • Battery sizing report in IEEE 485 format
  • Plot battery capacity, voltage, & current
  • Plot bus voltage & load & branch flow
  • Detailed battery library

Battery Sizing Software Standards

  • IEEE 308
  • IEEE 485
  • IEEE 946

Battery Sizing Software Capabilities

  • Load flow method (includes losses & voltage drops)
  • Duty cycle summation method
  • Automatic battery size verification by battery discharge simulation
  • Automatic addition of random load at the lowest battery terminal voltage
  • Multiple load duty cycles for simulating different practical scenarios
  • Load duty cycle adjustment based on load diversity & battery correction factors
  • Unlimited number of system configurations to easily simulate different emergency conditions

Battery Correction Factors

  • Temperature
  • Aging
  • Initial capacity
  • Design margin

Plot Options

  • Battery voltage, Amp, & AH
  • Battery duty cycle (random & non-random loads)
  • Battery characteristic curves
  • Branch current & power flow
  • Bus voltage & loading
  • Zoom to any detail level
  • Export data to Microsoft Excel
  • Line, bar, 3-D, & scatter plots
  • Change text & axes

Reporting

  • Battery & load duty cycle
  • Battery characteristics
  • IEEE 485 format
  • Tabulate simulation results
  • Export one-line diagrams with results to third party CAD systems
  • Use Crystal Reports for full color, customizable reports

The ETAP Battery Discharging Analysis module verifies the performance of an existing or a sized battery. The module calculates the battery capacity, voltage, current, and output power as the battery discharges through a duty cycle. The battery duty cycle can be calculated from either load current summation or load flow calculations. When the battery duty cycle is calculated from load flow, the Battery Discharging Analysis also provides bus voltage and branch power along with battery output results. Several correction factors used in battery sizing calculation, such as battery temperature, aging and initial capacity, can also be considered in the battery discharge calculations.

Battery Discharge Analysis Software Key Features

  • IEEE Standards 308, 485, 946
  • Integrated AC, DC, & Control System Diagram
  • Battery discharge simulation
  • Discharge via DC load flow or duty cycle summation
  • Voltage drop & loss consideration
  • Class 1E DC power & control system models
  • Simulation of control system with battery discharge voltage
  • Duty cycle diversity factor
  • Load model type per operating characteristics
  • Battery duty cycle calculated from individual loads
  • Options for battery & load duty cycle 1 min span
  • Multiple user selected options for battery characteristic interpolation
  • Multiple diversity & correction factors
  • Plot battery capacity, voltage, & current
  • Plot bus voltage & load & branch flow
  • Detailed battery library

Battery Discharge Analysis Software Standards

  • IEEE 308
  • IEEE 485
  • IEEE 946

Battery Discharge Analysis Software Capabilities

  • Load flow method (includes losses & voltage drops)
  • Duty cycle summation method
  • Automatic battery size verification by battery discharge simulation
  • Automatic addition of random load at the lowest battery terminal voltage
  • Multiple load duty cycles for simulating different practical scenarios
  • Load duty cycle adjustment based on load diversity & battery correction factors
  • Unlimited number of system configurations to easily simulate different emergency conditions

Battery Correction Factors

  • Temperature
  • Aging
  • Initial capacity
  • Design margin

Plot Options

  • Battery voltage, Amp, & AH
  • Battery duty cycle (random & non-random loads)
  • Battery characteristic curves
  • Branch current & power flow
  • Bus voltage & loading
  • Zoom to any detail level
  • Export data to Microsoft Excel
  • Line, bar, 3-D, & scatter plots
  • Change text & axes

Reporting

  • Battery & load duty cycle
  • Battery characteristics
  • IEEE 485 format
  • Tabulate simulation results
  • Export one-line diagrams with results to third party CAD systems
  • Use Crystal Reports for full color, customizable reports
ETAP Balkan, Nispetiye Mahallesi, Gazi Güçnar Sokak, Uygur İş Merkezi, No:4A, Beşiktaş, İstanbul 34340 TURKEY