An Investigation of Reactive-Active Power Control Approach for Grid-Connected PV Arrays in a Low Voltage Distribution System

  • Hamza Abunima
  • Jiashen TehEmail author
  • Hussein Jumma
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 547)


The intermittent nature of solar power poses a considerable challenge to the development of this industry. One of the implications of this characteristic is limiting the penetration capacity of PV system into the grid. This intermittent power source affects the voltage behavior at the point of common coupling (PCC) representing voltage rise along the distribution system feeder. This phenomenon may damage devices in the distribution system and customer side. Although it usually occurs for short time, it limits the level of solar power penetration in order to protect the distribution network. Reactive power control approach is used to maintain the voltage at PCC within the allowable bounds. However, this control approach is sometimes inadequate, especially in case of high PV power penetration level. This paper investigates combining two approaches, reactive power control and active power curtailment, in order to maintain the voltage level in case of high PV power penetration. Open Distribution System Simulator (OpenDSS) and MATLAB had been used. The IEEE 34-bus distribution test system was examined to demonstrate the effectiveness of this approach. The results showed that combining the two control approaches is effective to limit the voltage rise during high PV penetration. Adopting this control approach would enhance the grid safety and enlarge the hosting capacity for more PV power injection into the distribution network.


Local control Grid-connected PV system Reactive power control Active power curtailment 


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© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.School of Electrical and Electronics EngineeringUniversiti Sains Malaysia (USM)Nibong TebalMalaysia

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