scholarly journals Analysis of the Influence of Distributed Photovoltaic Power Generation Network on Distribution Network Security and Power Quality

2018 ◽  
Author(s):  
Laiyun Hou
Keyword(s):  
Power Generation ◽  
Network Security ◽  
Power Quality ◽  
Distribution Network ◽  
Photovoltaic Power ◽  
Generation Network

Technical Feasibility of Distributed Generation Network Connection

2013 ◽  
Vol 860-863 ◽  
pp. 2131-2136 ◽  
Author(s):  
Stanislav Eroshenko ◽  
Stepan A. Dmitriev ◽  
Alexandra I. Khalyasmaa
Keyword(s):  
Power Generation ◽  
Distributed Generation ◽  
Distribution Network ◽  
Feasibility Analysis ◽  
Practical Implementation ◽  
Network Systems ◽  
Technical Feasibility ◽  
Network Connection ◽  
Generation Network

This paper addresses the problems, connected with distributed generation integration into distribution network systems. Due to the large amount of technical impacts associated with distributed generation operation, the list of criteria, illustrating the feasibility of network connection is investigated. The paper also provides the detailed description and practical implementation results of multi-criteria optimization tool, developed for siting and sizing of small-scaled power generation with subsequent technical feasibility analysis.

Reliability Analysis of Distribution Network with Integrated Photovoltaic Power Generation

2014 ◽  
Vol 672-674 ◽  
pp. 956-960
Author(s):  
Ke Huang ◽  
Xin Wang ◽  
Yi Hui Zheng ◽  
Li Xue Li ◽  
Yan Ling Liu
Keyword(s):  
Power Generation ◽  
Power Supply ◽  
Distribution System ◽  
Operation Mode ◽  
Distribution Network ◽  
Photovoltaic Power ◽  
Reliability Calculation ◽  
Set Up ◽  
Pv Generation ◽  
Equivalent Method

To analyze the influence of distribution network with grid-connected photovoltaic (PV) generation on the power supply reliability, in this paper it firstly regards interconnected PV generation as an equivalent generator with rated capacity as well as the island operation mode of PV to set up a model for reliability calculation and analysis. Based on the network equivalent method, the structure of distribution system with PV is simplified and then the reliability indexes of distribution system are worked out based on Failure Mode and Effects Analysis (FMEA). At last, a comparative calculation between the distribution network with incorporated PV generations and that without PV generations is made. After analyzing a real example, the results suggest that integrating PV power generations reasonably into the distribution network can enhance the reliability of whole distribution system.

A Simple Analysis of the Influence on Power Quality from Grid Photovoltaic Power Generation System

2011 ◽  
Vol 347-353 ◽  
pp. 70-74
Author(s):  
Yan Qing Li ◽  
Fu Ju Wang ◽  
Man Man Yang
Keyword(s):  
Power Generation ◽  
Power Quality ◽  
Generation System ◽  
Simple Analysis ◽  
Voltage Fluctuation ◽  
Photovoltaic Energy ◽  
Photovoltaic Power ◽  
Power Generation System ◽  
Energy Grid ◽  
Grid Planning

As the increasing proportion of photovoltaic power generation in power grid, the influence from grid photovoltaic power generation to power quality is more and more significant. This paper analyzes the reasons of voltage fluctuation, voltage flicker and harmonics aroused by the photovoltaic energy grid, and summarizes the effects to other power quality index from photovoltaic energy grid. Then it puts forward the improvement actions, which has certain directive significance to the grid planning on photovoltaic power generation.

Hybrid System for Photovoltaic Power Generation and Power Quality Control

2015 ◽  
Vol 734 ◽  
pp. 759-770
Author(s):  
Wei Wei Song
Keyword(s):  
Power Generation ◽  
Quality Control ◽  
Power Quality ◽  
Hybrid System ◽  
Control Strategy ◽  
Reactive Power ◽  
Reference Signal ◽  
Laboratory Simulation ◽  
Compound Control ◽  
Photovoltaic Power

In this paper, a hybrid system to carry out the function of photovoltaic power generation and power quality control simultaneously was proposed. The configuration and principle of the hybrid system were discussed firstly, and then the mathematical model of the hybrid system was presented. To realize the compound function, a deadbeat compound control strategy was proposed. In the compound control strategy, the calculation method of the reference signal is proposed to achieve reactive power and harmonic detection, active signal for grid-connected electricity generating and DC-side voltage maintaining; to improve the dynamic response and decrease the steady-state error of the hybrid system, deadbeat compound control method was proposed. The new hybrid system is implemented in a 10kVA prototype in the laboratory. Simulation and experimental results show that the proposed hybrid system can effectively stabilize photovoltaic power generation, reactive power compensation, and harmonic elimination.

The Influence and Countermeasures Research of Large-Scale Distributed Photovoltaic Access to the Distribution Network

2014 ◽  
Vol 953-954 ◽  
pp. 61-65
Author(s):  
Jing Chao Zhang ◽  
Zheng Gang Wang ◽  
Feng Zhen Zhou ◽  
Ning Xi Song ◽  
Qian Wang
Keyword(s):  
Power Generation ◽  
Renewable Energy ◽  
Power Flow ◽  
Large Scale ◽  
Industrial Revolution ◽  
Simulation Analysis ◽  
Negative Impact ◽  
Rapid Development ◽  
Distribution Network ◽  
Photovoltaic Power

In recent years, with the gradual depletion of traditional energy, as renewable energy representatives, new energy has developed rapidly. We know that distributed photovoltaic power generation with clean, pollution-free, easy installation, and therefore has been rapid development. However, the large number of distributed photovoltaic power generation connected to the distribution network would have a negative impact on the grid with a safe and reliable operation because of its randomness and volatility intrinsic properties. In this paper, in terms of power flow, voltage distribution, load characteristics, power quality, system protection and reliability departure, through MATLAB simulation analysis, the distribution network transformation strategies of primary and secondary devices has been proposed. It laid an important foundation for renewable energy development and the Third Industrial Revolution.

Issue of Distributed Power Supply Is Introduced into Distribution Network

2015 ◽  
Vol 734 ◽  
pp. 736-739
Author(s):  
Zhi Qiang Du
Keyword(s):  
Network Security ◽  
Power Quality ◽  
Power Supply ◽  
Distribution Network ◽  
Power Source ◽  
Distributed Power ◽  
The Impact

This article through to the tianjin area distributed power source development situation investigation, this paper introduces the concept of distributed power supply, this paper expounds the types and characteristics of distributed power supply, analyzes the distributed power supply stability, access to distribution network security protection, power quality, reliability, the influence of the impact puts forward the main technical key.

scholarly journals Monitoring and Analysis of Power Quality in Photovoltaic Power Generation System

2018 ◽  
Vol 64 ◽  
pp. 06008
Author(s):  
Cui JI ◽  
Siming HUA ◽  
Bingbing ZOU ◽  
Hua ZHANG ◽  
Chang DIAO ◽  
...  
Keyword(s):  
Power Generation ◽  
Power Quality ◽  
Power Grid ◽  
Solar Photovoltaic ◽  
Testing Method ◽  
Photovoltaic Power ◽  
Quality Testing ◽  
Harmonic Voltage ◽  
Power Generation System

Solar photovoltaic (PV) has been developed rapidly due to its clean and green renewable characteristics. The connection of photovoltaic power generation to the traditional grid system is bound to bring power quality problems. Based on above, this paper introduces the power quality testing method of photovoltaic grid-connected power grid in detail. And then takes the Shanghai Qingpu Nanrong distributed photovoltaic power generation for example, which is the largest single roof photovoltaic power station in Shanghai by far, to use the method to test its power quality. The power quality index include harmonic, voltage imbalance, and frequency deviation. The test and analysis provide a reference for the monitoring and analysis of power quality of photovoltaic grid-connected power grid.

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