• No results found

Voltage quality

SERIES AND SHUNT CONTROL STRATEGY FOR ENHANCED VOLTAGE QUALITY FOR MICRO GRID APPLICATION

SERIES AND SHUNT CONTROL STRATEGY FOR ENHANCED VOLTAGE QUALITY FOR MICRO GRID APPLICATION

... the voltage quality in grid interfacing ...through voltage disturbances and continues the power transfer between the local generation and the grid, while a high quality voltage is ...

12

Comparison of DVR and D-STATCOM for Voltage Quality Improvement

Comparison of DVR and D-STATCOM for Voltage Quality Improvement

... Power quality has become a major area of concern in electrical power ...nonstandard voltage, current and frequency and reduce quality of ...the quality of power which is very severe for the ...

7

Voltage Quality improvement by Dynamic Voltage Restorer Modeling

Voltage Quality improvement by Dynamic Voltage Restorer Modeling

... the quality of ...power quality. Of all the power quality issues, voltage sags are the major cause of 80% of the problems experienced by sensitive ...Dynamic Voltage Restorer is a power ...

6

A Novel Method for Improving the Voltage Quality of Dynamic Loads

A Novel Method for Improving the Voltage Quality of Dynamic Loads

... the voltage quality of sensitive loads from voltage sags using a dynamic voltage restorer ...with voltage phase jump compensation has caused a substantial rise in size and cost of the ...

7

An improvement of voltage quality in low voltage distribution system 
		using dynamic voltage restorer

An improvement of voltage quality in low voltage distribution system using dynamic voltage restorer

... power quality and voltage stability becomes an issues nowadays (Goswami, Gupta et ...power quality causes enormous economic losses all over the world, it is estimated that PQ problems cost commerce ...

8

IMPROVEMENT OF VOLTAGE QUALITY IN INDUSTRIAL DISTRIBUTION SYSTEMS.

IMPROVEMENT OF VOLTAGE QUALITY IN INDUSTRIAL DISTRIBUTION SYSTEMS.

... The control strategy of active filter in this case is based on the theory of instantaneous power. Control circuits active filters are primarily interested in voltage changes at frequencies that cause flicker. To ...

7

Enhancement of Quality in Power Systems With Active Power Filters

Enhancement of Quality in Power Systems With Active Power Filters

... power quality control have become more attractive compared with passive ones due to their fast response, smaller size, and higher ...current quality while the series-connected regulators inserted between ...

10

POWER QUALITY: AN IMPORTANT ASPECT

POWER QUALITY: AN IMPORTANT ASPECT

... a voltage drop, which affects the voltage that is delivered to the ...the voltage quality and the current quality are ...the voltage quality and the customer is ...

6

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 improvement using unified power quality conditioner (UPQC) to compensate current and voltage quality problems of sensitive ...mitigates voltage sag from the supply side ...

8

Dynamic Voltage Restorer Based on Multilevel Inverter

Dynamic Voltage Restorer Based on Multilevel Inverter

... comfort.[1] Voltage dips and interruptions in electrical distribution system is one of the key factors for arise such ...the quality of power. Dynamic Voltage Restorer (DVR) is one such custom power ...

9

Modelling and Simulation of DVR using Fuzzy Logic Control

Modelling and Simulation of DVR using Fuzzy Logic Control

... Power quality has been a topic of ample interest for decades and several issues have triggered interest in monitoring and improving the power ...“Power Quality” first appeared in ...Power quality can ...

8

ABSTRACT: This paper is mainly focus on the power quality audit conducted at S.A.Polytechnic College,

ABSTRACT: This paper is mainly focus on the power quality audit conducted at S.A.Polytechnic College,

... power quality audit conducted at ...power quality issues like voltage sag, voltage swell, harmonics, interruption, unbalance, voltage surges, ...power quality issues which is ...

16

Voltage Sag and Mitigation Using Dynamic Voltage Restorer (DVR) System for Power Quality Improvement”

Voltage Sag and Mitigation Using Dynamic Voltage Restorer (DVR) System for Power Quality Improvement”

... emphasizes voltage sag as one of a power quality concern and Dynamic Voltage Restorer (DVR) is using for mitigation of voltage ...Then, voltage sags occurred at another ...of ...

8

TO SURVEY POWER QUALITY OF HIGH VOLTAGE KEY-CUSTOMER BY USING VOLTAGE EVENT RECORD

TO SURVEY POWER QUALITY OF HIGH VOLTAGE KEY-CUSTOMER BY USING VOLTAGE EVENT RECORD

... low voltage side of none protective gear system in the factory to install voltage event record and measure the voltage events during three ...the voltage swell, voltage sag, power ...

14

CO-ORDINATION OF MATRIX CONVERTER WITH DYNAMIC LOAD VARIATIONS FOR POWER QUALITY IMPROVEMENT

CO-ORDINATION OF MATRIX CONVERTER WITH DYNAMIC LOAD VARIATIONS FOR POWER QUALITY IMPROVEMENT

... As mentioned before, when modelling the external-loop current controller, it can be suppose that the inner voltage loop paths the referral voltage perfectly, i.e., uo = uref . Hence, the regulated plant for ...

7

Title: POWER QUALITY IMPROVEMENT FOR GRID CONNECTED WIND ENERGY SYSTEM USING UPFC

Title: POWER QUALITY IMPROVEMENT FOR GRID CONNECTED WIND ENERGY SYSTEM USING UPFC

... power quality of the inverter local load voltage and the current exchanged with the ...inner voltage loop and an outer current loop, with both controllers designed using the fuzzy logic control and ...

6

Download
			
			
				Download PDF

Download Download PDF

... hourly voltage log documented over a period of six months at the Injection station were grouped for simulation purpose into three categories; minimum, average and maximum voltages as shown in table ...power ...

8

Unified Power Quality Conditioner for voltage and current compensation

Unified Power Quality Conditioner for voltage and current compensation

... source voltage with series of steps as given in the ...reference voltage Vsα′, Vsβ′,based on the αβ0 transform are found out as explained ...source voltage passes through the three phase PLL ...

6

Mitigations of Voltage Sag and Swells for Power Quality Improvement Using Dynamic Voltage Restorer (DVR)

Mitigations of Voltage Sag and Swells for Power Quality Improvement Using Dynamic Voltage Restorer (DVR)

... top quality issues such as voltage sags and swells are currently important issues in the economic ...top quality interference in reduced volts submission system due to volts grows using one of the ...

8

Enhancement of Power Quality by Employing Dynamic Voltage Restorer

Enhancement of Power Quality by Employing Dynamic Voltage Restorer

... Dynamic voltage restores (DVRs) are now becoming more established in industry to reduce the impact of voltage dips on sensitive ...A voltage dip is commonly defined as any low voltage drop ...

5

Show all 10000 documents...

Related subjects