Load pattern analysis plays a vital role in the smooth operation and control of a power system. Load pattern analysis of the feeders is necessary for both load management and load forecasting, which gives information about future load demand, load switching, voltage control, and network reconfiguration and also provides support for power generation planning and development planning of an electric power system. This work includes the study of the real distribution system and load pattern analysis of the three major feeders of the 220 kV grid substation (GSS) in Sakatpura, Kota, Rajasthan, which are Anta, Dayra and Mandalgarh. The load pattern varies according to consumer demand throughout the year. The load peaks in the summer due to cooling requirements and in the winter due to agriculture load from tube wells, which is most common in rural areas; this is known as peak load condition. This peak load condition has an impact on the distribution and transmission systems, as well as the equipment at the grid substation (GSS), causing overloading and overheating at the substation. The stability, reliability, and efficiency of a distribution system are becoming more affected, as GSS is not able to fulfill the power requirements of the connected loads, and sometimes system failure occurs. To prevent this kind of problem, either load shedding or load compensation by a solar PV system is a solution. Renewable energy is the best alternative power source because it produces no pollution and has no fuel costs. To avoid overloading, every system should have a flat load curve. In this load compensation, the average load in peak load conditions is supplied by the grid substation, and the remaining peak load is fed by the solar PV system. The system is designed for linear load. The installation of solar PV plants near GSS improves system performance, reliability, and continuity to a great extent.

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Analyzing Load Patterns in Real Distribution Systems and Peak Load Compensation Through PV Application

  • Mohammad Salman,
  • Vishal Nagar,
  • Priyanka Jangid,
  • Mahendra Lalwani

摘要

Load pattern analysis plays a vital role in the smooth operation and control of a power system. Load pattern analysis of the feeders is necessary for both load management and load forecasting, which gives information about future load demand, load switching, voltage control, and network reconfiguration and also provides support for power generation planning and development planning of an electric power system. This work includes the study of the real distribution system and load pattern analysis of the three major feeders of the 220 kV grid substation (GSS) in Sakatpura, Kota, Rajasthan, which are Anta, Dayra and Mandalgarh. The load pattern varies according to consumer demand throughout the year. The load peaks in the summer due to cooling requirements and in the winter due to agriculture load from tube wells, which is most common in rural areas; this is known as peak load condition. This peak load condition has an impact on the distribution and transmission systems, as well as the equipment at the grid substation (GSS), causing overloading and overheating at the substation. The stability, reliability, and efficiency of a distribution system are becoming more affected, as GSS is not able to fulfill the power requirements of the connected loads, and sometimes system failure occurs. To prevent this kind of problem, either load shedding or load compensation by a solar PV system is a solution. Renewable energy is the best alternative power source because it produces no pollution and has no fuel costs. To avoid overloading, every system should have a flat load curve. In this load compensation, the average load in peak load conditions is supplied by the grid substation, and the remaining peak load is fed by the solar PV system. The system is designed for linear load. The installation of solar PV plants near GSS improves system performance, reliability, and continuity to a great extent.