Overview of Distribution Network Automation Technology

2013 ◽  
Vol 811 ◽  
pp. 631-634
Author(s):  
Xue Song Zhou ◽  
Zhao Hao Hou ◽  
You Jie Ma
Keyword(s):  
Power System ◽  
Electric Power ◽  
Distribution Network ◽  
Vital Role ◽  
Electric Power System ◽  
System Structure ◽  
Structure Development ◽  
Development Status ◽  
Speed Up ◽  
Automation Technology

This paper proposes a general overview of distribution network automation technology. With the continuous development of society and economy, the distribution network automation has become the trend and developing direction of electric power system. As the end part of the electric power system, the distribution network is directly connected to the consumers and plays a vital role in improving the quality and reliability of power supply. In order to provide reference for improving the reliability of distribution network and to speed up the development of distribution network automation, this paper analyses the system structure, development status and trend of distribution network automation technology.

Multifunctional converter unit with a series connection of inverters for the combined electric power system of a local object with a photovoltaic battery.

2020 ◽  
Vol 14 (1) ◽  
pp. 74-80
Author(s):  
A.A. SHAVELKIN ◽  
◽  
YE.YU. STANOVSKYI ◽  
Keyword(s):  
Power System ◽  
Electric Power ◽  
Single Channel ◽  
Input Voltage ◽  
Current Control ◽  
Electric Power System ◽  
System Structure ◽  
Series Connection ◽  
Voltage Controller ◽  
Converter Unit

The improvement of the structure is considered and the justification of the parameters of a multifunctional converter unit with a series connection of inverters for a combined electric power system of a local object with a photovoltaic battery is performed. There are obtained dependences of the amplitude of the ripple of the output current of the inverters, the error for fundamental harmonic, and the relation for determining the values of the inverter input voltage, reactor inductance, and PWM frequency according to the mains voltage and the maximum value of the inverter current, when it combines the functions of the active power filter. The single-channel control system structure with a slave current control loop with a common channel of current deviation for inverters has been improved. The external controller is determined by the operating mode: when working in parallel with the network, it is the current (voltage) controller of the photovoltaic battery, which under current conditions has less power; in the absence of energy production - the input voltage controller of one of the inverters; in standalone mode - load voltage controller.

Phasor Dynamics Influence on Electric Power System Performances

2006 ◽  
Vol 7 (1) ◽  
Author(s):  
Antonio Griffo ◽  
Davide Lauria
Keyword(s):  
Computer Simulation ◽  
Power Systems ◽  
Power System ◽  
Electric Power ◽  
Dynamic Behaviour ◽  
Vital Role ◽  
Electric Power System ◽  
System Modelling ◽  
Transmission Network ◽  
Simplifying Assumptions

Dynamic behaviour analysis of electric power system has always played a vital role in operation and planning of power systems. This analysis relies on computer simulation which are usually based on simplifying assumptions which aim at rendering system modelling more amenable to numerical solution. However, it is well known that uncertainties and unmodelled dynamics could in some cases lead to unexpected results. In the paper a simplified dynamic model of transmission network is employed to evaluate the influence of network transients on dynamic behaviour of power systems. Although simplified, this model can easily capture usually neglected dynamics. Applications of this modelling is proposed with respect to two test systems, highlighting the effects of usually unmodelled dynamics.

scholarly journals Assessment for Distribution Network Planning Schemes of Urban Electric Power System

2012 ◽  
Vol 14 ◽  
pp. 1067-1074
Author(s):  
Zheng Fu-min ◽  
Ma Li ◽  
Liu Nian ◽  
Chen Jin-shan
Keyword(s):  
Power System ◽  
Electric Power ◽  
Distribution Network ◽  
Network Planning ◽  
Electric Power System ◽  
Distribution Network Planning

MODELING AND SHORT-TERM FORECASTING OF TECHNOLOGY COMPONENT OF ELECTRICAL LOAD OF THE REGIONAL ELECTRIC POWER SYSTEM

2016 ◽  
Vol 2016 (4) ◽  
pp. 68-70 ◽  
Author(s):  
P. Chernenko ◽  
◽  
O. Martyniuk ◽  
V. Miroshnyk ◽  
◽  
...  
Keyword(s):  
Power System ◽  
Electric Power ◽  
Electric Power System ◽  
Electrical Load ◽  
Short Term ◽  
Short Term Forecasting
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