09-09-2017, 10:22 AM
This is acceptable at some level, if the system is purely resistive or capacitance causing some problem in the electrical system. AC systems supply or consume two types of power: real power and reactive power. Actual power performs useful work while reactive power supports the voltage that must be controlled for system reliability. Reactive power has a profound effect on the safety of power systems, as it affects voltages throughout the system. Find a major discussion about the importance of reactive energy and how useful it is to keep the system voltage healthy.
The analysis is performed on the basis of different international and local utility standards for voltage source converters (VSCs) and distribution. The ability of VSC to provide reactive power support is explored in a structural manner to improve voltage stability as well as power quality. The functional requirements of VSCs are identified for this purpose in a generalized platform with the assumption of extension of network automation up to the level of distributed resources. The step-by-step formulation of voltage stability and reactive power support requirements from the system level are translated at the VSC level for the static and dynamic operation of the system with the aim of improving system performance and the new scenario of the energy market. The opportunity of the tariff benefit would attract DG operators and customers for participating in system security through reactive power support and voltage profiling. The main contribution of the study is to provide a complete guide for voltage control and reactive support of VSC DG interfaces in active distribution combining static and dynamic constraints.
The analysis is performed on the basis of different international and local utility standards for voltage source converters (VSCs) and distribution. The ability of VSC to provide reactive power support is explored in a structural manner to improve voltage stability as well as power quality. The functional requirements of VSCs are identified for this purpose in a generalized platform with the assumption of extension of network automation up to the level of distributed resources. The step-by-step formulation of voltage stability and reactive power support requirements from the system level are translated at the VSC level for the static and dynamic operation of the system with the aim of improving system performance and the new scenario of the energy market. The opportunity of the tariff benefit would attract DG operators and customers for participating in system security through reactive power support and voltage profiling. The main contribution of the study is to provide a complete guide for voltage control and reactive support of VSC DG interfaces in active distribution combining static and dynamic constraints.