Abstract
Related to environmental issues resulting from the use of traditional energy sources, drive usage of renewable energy is increasing. Changes in the structure of the network will certainly affect the changes in voltage stability. In this paper, discuss the impact of the stability after distributed generation penetration whose its output intermittent relatively. The simulation based PSAT software and tested into IEEE 30 bus system. Observation of voltage deviation and SVSI-index on some load buses in conditions before and after integration of wind generation. Load condition is a very determining factor of bus voltage stability index. This relates to the active power and reactive power needs that must be injected by DG penetration.
Highlights
An increase in the demand for loads in electrical power systems is a problem faced mainly in direct distribution networks with consumers
Using PSAT software, the simulation was tested on the IEEE 30- bus power system
This simulation aims to obtain the influence of Distributed Generation (DG) integration on system stability using Simplified Voltage Stability Index (SVSI) indicators
Summary
An increase in the demand for loads in electrical power systems is a problem faced mainly in direct distribution networks with consumers. DG placement of pair size-location properly of the impact on the reduction of operating loss and operating cost at peak load, improvement of voltage profile and load factor, and increased reliability and stability of the system [2, 3]. To observe the impact of stability resulting from the integration of DG renewable energy, the study conducted by wind generation with different level penetration, DG location and load fluctuation. VSM use to identify the weak bus as location DG placement because it calculates the weakest load bus of the power system properly [5]. PSAT software display the bus voltage profile information before and after DG placement, as a result, optimal power load flow
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