Analysis of dynamic behavior of the back-to-back High Voltage Direct Current link model as part of electrical power system

Vladimir Rudnik,Nikita Desyukov,Ruslan Ufa,A.A Kozyreva,G.V Kuznetsov,A.O Zhdanova

doi:10.1051/matecconf/201714101046

Abstract

One of the main directions of the development of electric power systems is the introduction of technologies based on high-power semiconductor switches, such as FACTS devices and HVDC technologies. These systems effectively solve a number of urgent tasks of EPS, connected with asynchronous connection of EPS, transmission of electricity, improve local and systemic flexibility and reliability of EPS, increasing the capacity of network elements that contains a “weak” connection. However, the implementation and operation of mentioned technologies in the EPS determines the need for a wide range of analysis and research that can only be done with the help of mathematical modeling.

Highlights

One of the main directions of development of electric power systems (EPS) is the introduction of devices and technologies based on power semiconductor switches (FACTS devices and HVDC technologies), which are designed to improve flexibility, network capacity and ensure the reliability of electricity transmission [1, 2]
The results of the research show that with the use of the B2B HVDC link it is possible to make a complete decoupling of the power systems, that is, an accident that occurred on one power system does not affect the operation of another power system
As a result of the research, an analysis was made of the interaction of the B2B HVDC link with the adjacent power system

Summary

Introduction

One of the main directions of development of electric power systems (EPS) is the introduction of devices and technologies based on power semiconductor switches (FACTS devices and HVDC technologies), which are designed to improve flexibility, network capacity and ensure the reliability of electricity transmission [1, 2]. B2B HVDC link is a converter station that used to convert alternative current (AC) to direct current (DC) and convert DC to AC the same or other frequency. B2B HVDC link solves the following tasks: asynchronous connection of EPS; increasing of local and system flexibility and reliability of EPS; increasing of transmission line capacity. Number of research and analysis of B2B HVDC link operation should be done, before introduction in the EPS [2,3,4]

B2B HVDC link model

Asynchronous connection of EPS

Short circuit on side the EPS 2

Conclusion