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please provide me ppt on protection of transformer using numerical relay ....etc

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for the techinical ppt i want fpga based sine pwm waveform for solar inverter
[email protected] dis my id plz send ppt ....etc

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Power Quality Issues in a Hybrid Power System


INTRODUCTION
Since ancient times, wind turbine technology has been
used to improve the quality of life for many people. People
have used wind turbines to pump water, mill grain,
and do many other things .
In today’s world, wind turbines are used for similar
purposes (i.e., water or oil pumping, battery charging, or
utility generation). One important aspect of wind turbine
applications, especia ....etc

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Abstract “
Solid state control of ac power using diodes, thyristors and triacs injects the harmonics into the ac mains. These injected harmonics cause low efficiency in the supply system, poor power factor and EMI problems. Active filters have been considered a potential candidate to reduce these problems. This paper deals with an active power-filter (APF) based on simple control with optimum selection of energy storage capacitor. A voltage source inverter with hysteresis current control is employed to form the APF, which uses minimum ....etc

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sir i want a ieee paper on Power quality improvement of unbalanced power system with distributed generation units ....etc

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....etc

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Pulse Shape Improvement in Core-Type High-Voltage Pulse Transformers With Auxiliary Windings
High-voltage pulsed power technologies are rapidly emerging as a key to efficient and flexible use of electrical power for many industrial applications. One of the most important elements in high-voltage pulse-generating circuit technology is the transformer, generallyused to further increase the pulse output voltage level. However, its nonideal behavior has significant influence on the output pulse shape.The most attractive winding configurati ....etc

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POWER QUALITY MEASUREMENTS PERFORMED ON
WIND FARMS IN TURKISH POWER SYSTEM
ABSTRACT
The wind farm integration may cause power quality concerns in power systems.
Integration of large scale wind farms into power systems presents some challenges
that must be addressed such as system operation and control, system stability, and
the power quality. Therefore, determining how much the power quality would be
affected by fluctuant power production and by the connection of the wind turbines
to the power system is the most important issue ....etc

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PRESENTED BY
THUSHARA.K.P


POWER QUALITY ENHANCEMENT BY COMPENSATING CUSTOM POWER DEVICES
INTRODUCTION
 The term power quality refers to maintaining a sinusoidal waveform of bus voltage at rated voltage and frequency.
 Over the last 20 years the number of PQ problems are experienced in industrial and commercial sites are increased dramatically.
 The waveform of electric power at generation stage is purely sinusoidal and free from any distortions. There are many devices the distort the waveform tha ....etc

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