• No results found

power system voltage collapse

Analysis of Voltage Collapse in a Power System Using Voltage Stability Indices

Analysis of Voltage Collapse in a Power System Using Voltage Stability Indices

... Voltage collapse phenomenon and its incessant occurrence in a modern power system has of recent been a great concern to power system ...to voltage collapse by ...

6

Monitoring Against Voltage Instabilities using Line Voltage Stability Indices for IEEE 14 and IEEE 30 Bus

Monitoring Against Voltage Instabilities using Line Voltage Stability Indices for IEEE 14 and IEEE 30 Bus

... justify voltage stability like P-Q and P-V ...of voltage collapse whereas the other methods developed show voltage stability indices as ...The voltage stability indices are derived for ...

5

Continuation power flow method for voltage stability analysis

Continuation power flow method for voltage stability analysis

... the voltage collapse point can be ...or voltage collapse point (Critical Point) is essential in power systems operation and ...continuation power flow (CPF) method is very ...

9

FAULTC URRENT INTERRUPTION IN A RADIAL DISTRIBUTION SYSTEM BY USING THE DVR

FAULTC URRENT INTERRUPTION IN A RADIAL DISTRIBUTION SYSTEM BY USING THE DVR

... to power quality. Power quality deals with utilization of electric energy from the distribution system successfully without interference or ...various power quality disturbances are ...

7

Development of early warning methods for voltage instability in electric power system

Development of early warning methods for voltage instability in electric power system

... The apparent power at each bus and the RE1 network Graph of load voltage with Thevenin voltage and load impedance with Thevenin impedance by KF The point of collapse traced by using KF a[r] ...

37

Comparison of Modern methods for Stability Analysis of Electrical Power Transmission Networks: Case of the Cameroon’s Southern Interconnected Grid (SIG)

Comparison of Modern methods for Stability Analysis of Electrical Power Transmission Networks: Case of the Cameroon’s Southern Interconnected Grid (SIG)

... prevent system collapse for neither line 7 nor Line ...transmission system around the critical lines may be sufficient to prevent system collapse when these later are tripped and by so ...

14

Voltage Stability Margin Assessment Using Neural Network

Voltage Stability Margin Assessment Using Neural Network

... Continuation power flow is one method to determine the proximity to voltage collapse point and can be described as a power flow solution, which is used to analyze the stability of power ...

5

Control of Instable Chaotic Small Power System

Control of Instable Chaotic Small Power System

... of voltage leading into a total area ...tive power injected at the bus. All these will lead to a voltage level ...the voltage collapse occurrence, several techniques may be applied such ...

8

An Efficient Method for Locating Distributed Generation to Provide Reactive Support in Microgrid

An Efficient Method for Locating Distributed Generation to Provide Reactive Support in Microgrid

... the voltage collapse with the available reactive power resources in the residential level devices as preventive ...of voltage violations in the residential level devices are eliminated with ...

7

Using Support Vector Machine for Prediction 

Dynamic Voltage Collapse in an Actual Power 

System

Using Support Vector Machine for Prediction Dynamic Voltage Collapse in an Actual Power System

... dynamic voltage collapse indicator named as the Power Transfer Stability Index ...apparent power of the load, Thevenin voltage and impedance at a bus and the phase angle between ...

6

Realization of Unified Power Quality Conditioner for Mitigating All Voltage Collapse Issues

Realization of Unified Power Quality Conditioner for Mitigating All Voltage Collapse Issues

... (Unified Power Quality Condi- tioner) work on voltage source inverter which can effectively compensate source current har- monics and also mitigate all voltage collapse such as dip, swell, ...

15

Optimal Placement and Sizing of SVC in Power System for Voltage Stability Improvement using Harmony Search Algorithm

Optimal Placement and Sizing of SVC in Power System for Voltage Stability Improvement using Harmony Search Algorithm

... a power system operating condition should be stable, meeting various operational criteria, and it should also be secure in the event of any credible ...day power systems are being operated closer to ...

7

Voltage Collapse Avoidance by using STATCOM

Voltage Collapse Avoidance by using STATCOM

... During Capacitive mode of Operation ID appears to be leading current, Since the magnitude of the current can be controlled by adjusting VD. The STATCOM will function as a capacitor whose capacitive reactance is ...

7

Optimal Placement of Distributed Generation for Voltage Stability Improvement and Loss Reduction in Distribution Network

Optimal Placement of Distributed Generation for Voltage Stability Improvement and Loss Reduction in Distribution Network

... of power utilities are keep voltage within the operating ...year power demand is increase worldwide. A Power system is interconnected in to generating station transmission line and ...

6

Line voltage stability indices based on precautionary measure approximation in smart grid

Line voltage stability indices based on precautionary measure approximation in smart grid

... test system, one test case has been carried ...reactive power utilization of the load at bus 2, bus 3, bus 4, bus 5, bus 7, bus 8, bus 10, bus 12, bus 14, bus 15, bus 16, bus 17, bus 18, bus 19, bus 20, bus ...

12

Detection of proximity to voltage collapse 
		of multi bus power network using Transmission Line Voltage Stability 
		Indicator

Detection of proximity to voltage collapse of multi bus power network using Transmission Line Voltage Stability Indicator

... of Voltage stability of Bulk Power ...of voltage stability indicators in distribution ...2014. Voltage Stability assessment of a Power System incorporating FACTS Controllers ...

6

VOLTAGE MAGNITUDE IMPROVEMENT: A CASE STUDY OF NIGERIAN 330kV TRANSMISSION SYSTEM

VOLTAGE MAGNITUDE IMPROVEMENT: A CASE STUDY OF NIGERIAN 330kV TRANSMISSION SYSTEM

... grid system in Nigeria is predominantly characterized by radial, fragile and very long transmission lines, some of which risk total or partial system collapse (Onohaebi and Igbinovia, ...the ...

6

Prediction of Voltage Collapse in Electrical Power System Networks using a New Voltage Stability Index

Prediction of Voltage Collapse in Electrical Power System Networks using a New Voltage Stability Index

... of power system networks, their management has become increasingly more challenging in the face of systems being operated close to their security limits due increasing load demand coupled with restricted ...

10

Comparative study of line voltage stability indices for voltage collapse forecasting in power transmission system

Comparative study of line voltage stability indices for voltage collapse forecasting in power transmission system

... the system, the reactive load at each load bus is slowly varied with the level of voltage ...reactive power loading is ...line voltage stability indices such as Lmn, FVSI, LQP, VCPI ...

6

Download
			
			
				Download PDF

Download Download PDF

... modern power systems [2]. The voltage instability has been given attention by the power system community and it is usually referred to as the inability of a power system to ...

10

Show all 10000 documents...

Related subjects