• No results found

electric power quality problems

Challenges and Trends in Analyses of Electric Power Quality Measurement Data

Challenges and Trends in Analyses of Electric Power Quality Measurement Data

... Electric power quality problems encompass a wide range of di ff erent phenomena with time scales range from tens of nanoseconds to steady ...the power quality and equipment ...

5

A SVC Light Based Technique for Power Quality Improvement Of Grid Connected Wind Energy System

A SVC Light Based Technique for Power Quality Improvement Of Grid Connected Wind Energy System

... The power produced from wind energy source is always fluctuating due to variation in the ...wind power injection in to an electric grid affects the quality of ...the power ...

8

A Review of power quality problems, standards and solutions

A Review of power quality problems, standards and solutions

... the electric grid with a static power conditioner, providing energy output at the grid ...provides power during short duration interruptions or voltage ...

11

Mitigation Of Power Quality Problems Using Active Power Filter

Mitigation Of Power Quality Problems Using Active Power Filter

... Nowadays, power quality problems are becoming a big concern of today’s power ...in electric distribution ...equipment), power semiconductor switching devices (rectifiers and ...

24

Power Quality Improvement by Using UPQC in Wind Energy Conversion System

Power Quality Improvement by Using UPQC in Wind Energy Conversion System

... of power electronic based equipment has resulted in a serious impact on the nature of electric power ...power quality. UPQC is considered as the most powerful solution to the ...

9

Using a DVR Improving the Power Quality Problems

Using a DVR Improving the Power Quality Problems

... reactive power. In August 1996, Westinghouse Electric Corporation installed world’s first DVR in Duke Power Company’s ...a power factor of ...in Power 22kV distribution system at ...

11

Power Quality Improvement Using Unified Power Quality Conditioner Based On Phase-Locked Loop

Power Quality Improvement Using Unified Power Quality Conditioner Based On Phase-Locked Loop

... Power quality is the set of limits of electrical properties that allows electrical systems to function in their intended manner without significant loss of performance or ...describe electric ...

8

A novel electric power quality monitoring system
for transient analysis

A novel electric power quality monitoring system for transient analysis

... with power quality problems for electric power ...in electric power ...analyze electric power quality in many studies [46 - ...

140

Mitigation of Power Quality Problems Using Power Devices (TCR&TSC)

Mitigation of Power Quality Problems Using Power Devices (TCR&TSC)

... Both electric utilities and end users of electric power are becoming increasingly concerned about the quality of electric ...term power quality has become one of the most ...

7

Investigation of Various Power Quality Issues & its Solution in Grid Connected Distributed Power System

Investigation of Various Power Quality Issues & its Solution in Grid Connected Distributed Power System

... Voltage sag also referred as voltage dips. It is defined as reduction in voltage for a short duration of time. And the duration of voltage sag is less than 1 minute but more than 8 miliseconds (0.5 cycles). The magnitude ...

5

Electric Power Quality Improvement using Hybrid Compensator

Electric Power Quality Improvement using Hybrid Compensator

... the problems of instability and high power active filters ...reactive power from passive filter is constant, hence it becomes unsuitable for variable load systems , the variable power factor ...

12

A Review on Power Quality Problems and their Solutions

A Review on Power Quality Problems and their Solutions

... Energy storage systems, also known as restoring technologies, are used to provide the electric loads with ride-through capability in poor PQ environment. Storage systems can be used to protect sensitive production ...

6

ABSTRACT: In this project new concept is proposed which is fault current limiting DVR. Fault is detected by sensing

ABSTRACT: In this project new concept is proposed which is fault current limiting DVR. Fault is detected by sensing

... the power system which results in terms of voltage ...Since power quality problem plays a major issue in power system and to deliver the uninterruptible power supply to consumer, ...

6

Series Active Filter Control with A Novel Load Voltage Harmonic Extraction Method

Series Active Filter Control with A Novel Load Voltage Harmonic Extraction Method

... The electric power quality in a power system is determined by the quality of the voltage waveform supplied by the utility and the quality of the current waveform drawn by the ...

5

Power Quality Improvement of Grid Interconnected Distribution System

Power Quality Improvement of Grid Interconnected Distribution System

... compensates power quality problems and it can also interface renewable energy sources with the electric ...active power harvested from the renewable resources; 2) load reactive ...

6

A Study on the Impact of Ethical Behaviour of Firms on Global Competitiveness Ranking

A Study on the Impact of Ethical Behaviour of Firms on Global Competitiveness Ranking

... wind power in to an electric grid affects the power ...The power wind energy source varies due to environmental ...wind power injection in to an electric grid affects the ...

6

A New Topology of Cascaded Multilevel Inverter with Single Dc Source

A New Topology of Cascaded Multilevel Inverter with Single Dc Source

... (d) This paper presents a new topology with single DC source and high frequency cascaded transformer to obtain the high output voltage from less input source. The proposed topology has a significance that directly three ...

7

Implementation Of Adaptive Filter In Dstatcom

Implementation Of Adaptive Filter In Dstatcom

... A DSTATCOM has been implemented for a three-phase distribution system. An AF has been used for control of DSTATCOM. This AF has been found simple and easy to implement, and its performance has been observed satisfactory ...

9

Power Quality Enhancement use DSTATCOM Based on Sinusoidal Pulse Width Modulation

Power Quality Enhancement use DSTATCOM Based on Sinusoidal Pulse Width Modulation

... to power quality problems such as voltage sags [3], swells and ...reactive power injection at the load point of common ...These power quality devices are power electronic ...

5

Measurements of the Electrical Incidence Angle Modifiers of an Asymmetrical Photovoltaic/Thermal Compound Parabolic Concentrating Collector

Measurements of the Electrical Incidence Angle Modifiers of an Asymmetrical Photovoltaic/Thermal Compound Parabolic Concentrating Collector

... The electrical part of an asymmetric compound parabolic concentrating (CPC) photovoltaic/thermal hybrid (PV/T), collector has been investigated. The radiation is concen- trated onto an aluminium thermal absorber on which ...

7

Show all 10000 documents...

Related subjects