Title: Reducing Distribution Losses using Distributed Reactive Power Support
Abstract: Reactive power balance between supply and demand plays major role in stability of power system.
Reactive power effects Voltage stability of the system. Voltage control in an electrical power system
is important for proper operation of electrical power equipment,to reduce transmission losses and
to maintain the ability of the system to withstand and prevent voltage collapse. A voltage collapse
may occurs when the system load becomes more than the voltage stability limit. Decreasing reactive
power supply causes voltage to fall while increasing it causing voltage to rise. But moving reactive
power on the transmission system incurs real power losses. It is better to serve Reactive power locally.
Even though there are many sources of reactive power available at transmission and substation level
most of them are costly. We can supply the reactive power into the System from consumer end using
their smart devices and adjust the voltage locally.
Thus, in this thesis the problem of reactive power supply support in the radial distribution
system has been addressed. This is done by making use of end users of smart devices which supply
reactive power. The solution approach involves the following steps. Firstly, by identifying the buses
at which reactive power sources are available and loads at each bus then running the load flow
of the system and identifying the best location to inject the external reactive power is done and
finally we get the result in form of reduction in the power loss in the system.The test system IEEE
33 Bus Radial Distributed System has been used in this study. The entire algorithm has been
implemented in Matlab programming language. The beneficiaries of this study include, distribution
system operators, consumers in the distribution system and, the end consumers in the smart grid.
Publication Year: 2017
Publication Date: 2017-01-01
Language: en
Type: dissertation
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