37.114

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37.114 is an international standard for Application of Power System Analysis Software to Power System Operation and Planning. The standard defines how power system analysis software can be used for power system operation and planning. It is developed by the International Electrotechnical Commission (IEC).

The applications of this standard cover several different areas, including steady-state power system operation, network protection and control, dynamic system studies, and optimization studies. In particular, this standard focuses on the application of network analysis software for various purposes such as calculating network steady-state losses, determining the optimal solution for distribution problems, and performing power system dynamic studies.

Steady-state network solutions are used to model the conditions of a power system when a steady-state operation is assumed. This type of analysis is used to calculate network losses, determine optimal solutions of distribution problems, and evaluate network protection and control strategies. Steady-state solutions are also used to calculate the sensitivity of the system when changes in load or generation occur.

Network protection and control studies are performed to calculate the transient stability of a power system. This type of analysis evaluates the system response when large load variations or fault conditions occur. It is used to determine whether the system is capable of sustaining such transients and if the protection equipment is properly configured.

Dynamic system studies are used to simulate the behavior of a power system when subjected to large load changes or fault conditions. Such studies are usually used to evaluate the effect of a new generator or transmission line on system voltage and current levels, as well as to determine the effects of load shedding and line tripping strategies.

Optimization studies are used to determine the best method to reduce operational costs for the power system. This type of analysis is used to determine the optimal allocation of generation and transmission resources. Also, optimization studies are used to determine the most cost effective way to reduce losses in power systems.

The 37.114 standard also defines criteria and procedures for the evaluation of the accuracy and reliability of the output of the software used for such studies. Such criteria must be met in order for the results obtained by the software to be relied upon for the purposes of power system operation and planning.

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