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首页> 外文期刊>Mathematical Problems in Engineering >TESTING A DIFFERENTIAL-ALGEBRAIC EQUATION SOLVER IN LONG-TERM VOLTAGE STABILITY SIMULATION
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TESTING A DIFFERENTIAL-ALGEBRAIC EQUATION SOLVER IN LONG-TERM VOLTAGE STABILITY SIMULATION

机译：在长期电压稳定性模拟中测试微分-代数方程求解器

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摘要

This work evaluates the performance of a particular differential-algebraic equation solver, referred to as DASSL, in power system voltage stability computer applications. The solver is tested for a time domain long-term voltage stability scenario, including transient disturbances, using a real power system model. Important insights into the mechanisms of the DASSL solver are obtained through the use of this real model, including control devices relevant to the simulated phenomena. The results indicate that if properly used, the solver can be a powerful numerical tool in time domain assessment of long-term power system stability since it comprises, among several important features, suitable and very efficient variable order and variable step-size numerical techniques. These characteristics are very important when CPU time is a great concern, which is the case when the power system operator needs reliable results in a short period of time. Prior to the present work, this solver has never been applied in power system stability computer analysis in time domain considering slow and fast phenomena.
机译：这项工作评估了在电源系统电压稳定性计算机应用中称为DASSL的特定微分-代数方程求解器的性能。使用真实的电源系统模型对求解器进行了时域长期电压稳定性测试，包括瞬态干扰。通过使用该实际模型（包括与模拟现象有关的控制设备），可以获得对DASSL求解器机制的重要见解。结果表明，如果使用正确，则求解器可以成为长期电力系统稳定性时域评估中的强大数值工具，因为它包括几个重要特征，其中包括合适且非常有效的可变阶数和可变步长数值技术。当非常关注CPU时间时，这些特性非常重要，这是电力系统操作员在短时间内需要可靠结果的情况。在进行当前工作之前，考虑到慢速和快速现象，该求解器从未在时域中应用于电力系统稳定性计算机分析中。

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