Abstract
<span>In the electrical power systems, load is one of the most difficult elements to be represented by an adequate mathematical model due <span>to its complex composition and dynamic and non-deterministic behavior. Nowadays, static and dynamic load models have been <span>developed for several studies such as voltage and transient stability, among others. However, on the issue of power quality, dynamic <span>load models have not been taken into account in fault location. This paper presents a fault location technique based on sequence <span>components, which considers static load models of constant impedance, constant current and constant power. Additionally, an <span>exponential recovery dynamic load model, which is included in both the fault locator and the test system, is considered. This last <span>model is included in order to consider the dynamic nature of the load and the performance of the fault locators under this situation. <span>To demonstrate the adequate performance of the fault locator, tests on the IEEE 34 nodes test feeder are presented. According to the <span>results, when the dynamic load model is considered in both the locator and the power system, performance is in an acceptable range.</span></span></span></span></span></span></span></span><br /><br class="Apple-interchange-newline" /></span><p class="Abstractandkeywordscontent"> </p>
Highlights
Power quality includes the quality of the energy supplied and the customer service
This paper presents a fault location technique based on sequence components, which considers static load models of constant impedance, constant current and constant power
Taking into account the dynamic behaviour of the electrical loads, this paper proposes a fault location technique which considers static and dynamic load models in both the locator and the test power distribution system
Summary
Power quality includes the quality of the energy supplied and the customer service. Quality of supply is related to the waveform and continuity. An efficient and timely fault location enables power utilities to improve service continuity indices (Mora, 2006). Load can be widely defined as one network device that absorbs, generates or controls active and reactive energy, which is affected by power system
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