No absolute limits have ever been observed, and the standard version has limits that average more than 20 times default table sizes. Maximum CapabilitiesĪTP-EMTP tables are dimensioned dynamically at the start of execution to satisfy the needs of users and their hardware (e.g., RAM). ATP is available for other computers, too.
#SAMURAI WARRIORS ISO PSP PC#
A standard PC configuration with 64 MB RAM, hard disk (30 MB free space) and VGA graphics is sufficient to execute ATP under MS-DOS/MS-Windows. Most users, including program developers, use Intel Pentium based PC's with Ms-Windows 3.x/95/NT/XP. Postprocessing of monitored variables using MODELS and/or TACS, Fourier analysis.
HP-GL and PostScript also can be produced.
Calculation of electrical parameters of overhead lines and cables using program modules LINE CONSTANTS, CABLE CONSTANTS and CABLE PARAMETERS.As a general-purpose programmable tool, MODELS can be used for processing simulation results either in the frequency domain or in the time domain.MODELS in ATP allows the description of arbitrary user-defined control and circuit components, providing a simple interface for connecting other programs/models to ATP.The description of each model is enabled using free-format, keyword-driven syntax of local context and that is largely self-documenting.MODELS in ATP is a general-purpose description language supported by an extensive set of simulation tools for the representation and study of time-variant systems. 3-phase synchronous machine, universal machine.Ordinary switches, time-dependent and voltage-dependent switches, statistical switching (Monte-Carlo studies).Elements with nonlinearities: transformers including saturation and hysteresis, surge arresters, arcs, corona.Transmission lines and cables with distributed and frequency-dependent parameters.Uncoupled and coupled linear, lumped elements.Dynamic systems also can be simulated using TACS and MODELS control system modelling by itself.Calculation of frequency response of phasor networks using FREQUENCY SCAN feature.Symmetric or unsymmetric disturbances are allowed, such as faults, lightning surges, any kind of switching operations including commutation of valves.Interfacing capability to the program modules TACS (Transient Analysis of Control Systems) and MODELS (a simulation language) enables modelling of control systems and components with nonlinear characteristics such as arcs and corona.Non-zero initial conditions can be determined either automatically by a steady-state, phasor solution or they can be entered by the user for simpler components.Basically, trapezoidal rule of integration is used to solve the differential equations of system components in the time domain.It has been continuously developed through international contributions over the past 20 years. With this digital program, complex networks and control systems of arbitrary structure can be simulated.ĪTP has extensive modelling capabilities and additional important features besides the computation of transients. ATP is a universal program system for digital simulation of transient phenomena of electromagnetic as well as electromechanical nature.
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