Australia Is Committed For The Clean Energy Target Of 33000gwh By The Year 2020

In the grid new renewable resources are added to extract more power. This adds more power quality issues to grid connection. A Power quality problem is an occurrence manifested as a nonstandard voltage, current or frequency that results in a failure or a mis-operation of end user equipment. This paper investigates the use of a static synchronous compensator (STATCOM) is connected at a point of common coupling with Battery Energy Storage System(BESS)to overcome of a power quality issues of a wind farm equipped with variable speed wind turbines driving Double – Fed Induction Generators (DFIG). A physical control scheme, including four control loops: ac voltage, dc voltage, ac active current and ac reactive current controllers, is pre-specified for the STATCOM. A synthetic algorithm is proposed to embed these physical control loops in the output feedback path. The simulation results demonstrated that under various system disturbances, the proposed mode decoupling STATCOM is effective in regulating IG terminal voltage.

D. Card et al.(2007)[33] This paper presents a review on distributed generation planning in the distribution power system networks from different power system performances such as minimization of real and reactive power loss

New era that will not mainly relay on central power stations seems to have started. A novel independent power producers who provide less expensive, more efficient and smaller-scale power plants is well underway ‎[1]-‎[2]. Renewable energy is heavily involved in such direction and

This paper will first review the technologies encompassed by microgeneration. Then analyse the drivers, barriers and constraints that have restricted the growth of Microgeneration, before concluding by refining the future outlook of small scale power generation.

Abstract – As there is a significant increase in distributed generation especially PV resources in the grid, this paper puts up a discussion on impacts of high PV penetration level on distribution grid. High penetration of PV can cause problems such as reverse power flow, voltage rise, harmonics etc. This paper also discusses potential measures to mitigate these problems.

Balancing load of distribution feeders is significant for falling of power loss and mitigating power flow. As the loop power controller is implanting for the active power and reactive power flows by change in voltage ratio and phase shift. So that the balancing of the load distribution feeders can be achieved. However it can include photovoltaic power producing in feeder balancing load, as a Taipower distribution feeder consisting of two feeders with large amount of photovoltaic equipment considered. The balancing load can be determine in distribution feeders with photovoltaic set up by using the loop power controllers as the changing of solar energy and power loading of feeders. With implanting the control algorithm in MATLAB for loop power controller by changing the voltage ratio and phase shift connecting to the feeder the proper amount of active power and

Distributed generation in straightforward term can be characterized as a small scale generation. It is an active power generating unit that is connected at distribution level.

Submitted in partial fulfilment of the requirements for the degree of Master of Engineering (Coursework)

Voltage instability problems play great role in power systems planning and operation. Nowadays, power systems are being performed closer to their steadiness limits due to economic and environmental constrains. Maintaining a fixed and secure operation of power system is hence a very vital and challenging issue.

A microgrid refers to a small electricity power system that is connected to the utility grid through the point of common coupling (PCC) and uses on-site Distributed Energy Resources (DERs) for the supply of all or part of local demands. Microgrids comprise of a low voltage (approximately ≤ 1kV) or medium-voltage (range 1-69 kV) locally controlled cluster of distributed energy resources that behave, from the grids perspective, as a single load both electrically and in energy markets. Fig. 1 shows the interaction between the two types of electrical systems and their corresponding components interlinked by the power converters. [4] From this figure, it can be revealed that the AC MGs can be connected to the bulk AC system via power transformers and require an AC/DC power converter to interconnect with the bulk DC system.

A power station consists of several generating stations and transmissions and distribution networks interconnect consumers. The purpose of any power system is to generate electrical energy in sufficient quantities at the best-suited locations, to transmit it to various load centres and then distribute to various consumers and to maintain the quality and reliability of transmission at an economic price.

A more cost-effective approach of electrifying an off-grid community is to use a stand-alone microgrid power generation system that utilizes the available renewable energy resources (RERs)[1].

The electric grid is a large interconnection of both generation and transmission electrical subsystems usually managed by utilities to facilitate efficient distribution of electricity to consumers and businesses [1]. Providing adequate, reliable and sustainable energy has always been the focus as well as a perennial challenge for utilities. This challenge

There are a number of publications on droop based control for facilitating high reliability and avoiding complexity of a supervisory control system [6, 12]. The droop based control algorithms are popular due to their coordination capability among various power rating units together with flexibility and reliability. The concept of droop based power control is valid for the both high voltage (HV) transmission line and low voltage (LV) distribution line, although it has some limitations.

All the service connections, transformers, transmission infrastructure, substations, generation plants, and everything required in managing the generation and distribution of electrical power is known as the electrical “Grid.” The term “smart grid” has been used to describe a broad range of technologies, design concepts and operating practices that collectively paint an exciting picture of what our electric power infrastructure might look like in ten or twenty years. It is a new approach that significantly increases the efficiency of the entire electrical delivery system. Not only does increase reliability, but will also reduce energy in the delivery process and reduce greenhouse gas emissions. A