Motor Starting Analysis

Motor Acceleration

Motor Starting Analysis Software

Intuitive    Increases Productivity   Modeling Flexibility

ETAP Motor Starting Analysis software enables system planners and engineers to calculate motor acceleration time and analyze the impact of motor starting for various conditions on electrical power systems.

Motor Acceleration Analysis

With the Motor Starting software module, you can

  • Examine effects and find solutions for load impact & voltage flicker 
  • Coordinate the starting sequence of multiple large motors 
  • Evaluate the performance of an entire feeder under the stress of starting motors
  • Find the worst-case impacts of starting motors anywhere in your system

Motor Starting Software Key Features

Perform Dynamic & Static Analysis

Perform Dynamic & Static Analysis

The ETAP motor starting software module provides dynamic analyses explicitly designed to study the effects of starting motors within your system.

Flexible Sequence

Flexible Sequence of Events

The motor starting software is fully capable of starting individual motors or transitioning an entire electrical power system to another state.

Create Detailed Motor Models

Create Detailed Motor Models

Analyses take advantage of a detailed motor model, including torque characteristics, fully considered by load-flow calculations. Sequence-start a series of machines using static or dynamic models. More on Libraries & Modeling

Optimize Motor Starting using Starters

Optimize Motor Starting using Starters

Evaluate and choose appropriate motor staters like VFD and softstarters to minimize network impact. More on Motor Starters

Considers Network

Considers Network Dynamics

Include switching actions of reactive power compensation devices like Regulators, Substation Transformer Load Tap Changers, Switched Capacitor Banks, etc.

Advanced Plotting, Analyzers & Scripting

Advanced Plotting, Analyzers & Scripting

Advanced plotting and time varying graphical display enable engineers to quickly evaluate results and make decisions. More on Report & Result Validation / Alerts


Benefits

  • A comprehensive view, alert & warning of all starting motors within your system 
  • Helps you reduce unwanted effects 
  • Ability to run multiple analyses on various configurations 
  • Second-by-second data throughout the full starting cycles 
  • Simple settings include basic start delay 
  • Complex methods such as capacitor, VFD and soft starters 
  • Full consideration of factors such as substations, source impedances, and detailed line models

Comprehensive Results & Productivity Features

  • Graphical Simulation Results – PlotView™
    • Motor speed and torque vs. time
    • Motor terminal voltage and current draw vs. time
    • kW and kvar into service vs. time
    • Service drop vs. time
  • Scripted Study Automation
    • Automated Motor Start Evaluation using Python Scripting
    • Access Python API to Automate Result Analysis into comprehensive Excel reports 
  • Result Analyzer
    • Compare multiple Motor Starting conditions & scenarios
    • Quickly tabulate worst case from multiple motor starter combinations
  • Plot Analyzer
    • Visually compare multiple Motor Starting conditions & scenarios with alerts and events
    • Quickly identify, isolate and share worst case from multiple “what if” conditions
motor-starting-capabilities

Motor Starting Software Detailed Capabilities

  • Simulate VFD frequency control motor starting
  • Simulate MOV with five operating stages
  • Simulate transformer LTC / voltage regulator
  • Visualize results with extensive alerts & warnings
  • Vary generator / grid operating parameters
  • Transition loading of entire system
  • Simulate load ramping of starting motor
  • Compare the response from various motor starters
  • Voltage impact of motor starting
  • Create unlimited sequence of events
  • Dynamically model motors & loads
  • Accelerate / stop multiple motors
Graphical Plot ResultsExcel reports

Videos

Motor Protection - Characteristics & Applications

Motor Protection - Characteristics & Applications

This webinar presents the criterion and industry guidelines for motor protection in medium and low voltage systems, typical induction motor protection schemes and suggested settings for protective devices. The application of Automated Protection & Coordination evaluation tool for design, verification, and correction of settings are also demonstrated.

Motor Acceleration Studies

Motor Acceleration Studies

Learn how to perform Motor Acceleration Studies on any system, regardless of the project stage and available input data; from conceptual design, to FEED, to daily operations. Topics include Impact of Motor Starting, Data Requirements and Motor Parameter Estimation, Dynamic Motor Starting, Motor Acceleration using Transient Stability and Automated Motor Start and Result Analyzer.

Induction Machine - Machine Fundamentals

Induction Machine - Machine Fundamentals

This webinar covers machine fundamentals such as Conversion of Energy, Steady-State Operation, Motor / Generator, Ratings & Motor Equations, Efficiency & Power Factor vs. Loading, Motor Feeder Cable and Load Flow Solutions.

Induction Machine - Machine Dynamic Behavior

Induction Machine - Machine Dynamic Behavior

This webinar discusses the induction motor dynamic behavior for acceleration, deceleration and steady-state speed control conditions. It highlights how each of the key fundamental motor dynamic characteristics applies to different applications such as motor starting, fast-bus transfer, and motor parameter estimation and tuning.

Motor Acceleration analysis for floating platform

Motor Acceleration analysis for floating platform

Study case with two distant floating units interconnected with a subsea cable and fed by gas turbine generators. ETAP software has been used for motor starting analysis. A discussion about the choice of motor and generator models is developed and the comparison between calculation methods is presented. A particular focus is made on motor starting methods when direct on line is not possible, including soft starter simulation and VSD representation.

Motor Starting in ETAP Software - Dynamic

Motor Starting in ETAP Software - Dynamic

Learn to enter data for dynamic motor starting calculation and view the results graphically and via customizable plots.

Motor Starting in ETAP Software - Static

Motor Starting in ETAP Software - Static

Learn to enter data for static / impact motor starting calculation and view the results graphically and via customizable plots.

Literature

Motor Acceleration

Motor Acceleration

The Motor Acceleration module enables engineers to thoroughly evaluate the impact of load changes to electric power systems.

Motor Acceleration Analysis

Motor Acceleration Analysis

An introduction to ETAP Motor Acceleration

White Papers