• No results found

voltage stability margin sensitivity

Improving Voltage Stability Margin Using Voltage Profile and Sensitivity Analysis by Neural Network

Improving Voltage Stability Margin Using Voltage Profile and Sensitivity Analysis by Neural Network

... The proposed VSANN is trained by the back- propagation algorithm using Levenberg Marquardt optimization. This algorithm is designed to provide fast convergence. The number of input variables depends on the number of the ...

9

Determination of Voltage Stability Using Sensitivity Indicator

Determination of Voltage Stability Using Sensitivity Indicator

... in voltage at a particular bus as a function of the total active power supplied to ...the voltage drops rapidly when there is an increase in the load ...operating voltage and collapse ...

5

Application of Jaya Algorithm for reactive
power reserve optimization accounting
constraints on voltage stability margin

Application of Jaya Algorithm for reactive power reserve optimization accounting constraints on voltage stability margin

... improving voltage security Chebbo et al [4] developed algorithm for optimum reactive power dispatch employing LP and an optimal impedance solution on voltage stability ...against voltage ...

9

Voltage Stability Analysis comparing Generator Sensitivity based Method with V Q Curve Method for Optimal Placement of STATCOM

Voltage Stability Analysis comparing Generator Sensitivity based Method with V Q Curve Method for Optimal Placement of STATCOM

... Reserve Margin (RRB) obtained from the V-Q curve analysis and a novel generator sensitivity based method for optimal placement of ...study voltage instability problems in power systems during the ...

8

An Analysis of Different Methodology for Evaluating Voltage Sensitivity

An Analysis of Different Methodology for Evaluating Voltage Sensitivity

... the stability index closer to unity. Voltage Sensitivity Factor, L-Index, Reactive Power Margin [3] method applied on 16 bus Distribution system the highest value of VSF and L-index establish ...

8

Voltage Stability Margin (VSM) and Maximum Loading Point (MLP) Of A Multi-Bus System Before and After Compensation

Voltage Stability Margin (VSM) and Maximum Loading Point (MLP) Of A Multi-Bus System Before and After Compensation

... The diagonal elements of J4 indicate the reactive power sensitivity of i-th bus. ∂Qi/∂|Vi| also indicates the degree of weakness for the i-th bus. The bus corresponding to the maximum value of ∂Qi/∂|Vi| is the ...

6

Voltage Index Method for Optimal Allocation of DG Units in a Distribution system to improve the Voltage Stability Margin

Voltage Index Method for Optimal Allocation of DG Units in a Distribution system to improve the Voltage Stability Margin

... on voltage profile and other parameters which may lead to a growth of costs, and consequently an opposite effect on what is ...proposed sensitivity based approaches and optimization based methods for optimal ...

7

Comparative Analysis of Load Flow Techniques for Steady State Loading Margin and Voltage Stability Improvement of Power Systems

Comparative Analysis of Load Flow Techniques for Steady State Loading Margin and Voltage Stability Improvement of Power Systems

... voltage stability. Reactive compensation also improves the system loading margin resulting in more stable and reliable ...QV sensitivity analysis, and Continuation Load Flow - in identifying ...

92

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

... Line stability index, Continuation power flow ...the voltage stability ...and stability margin ...method voltage profile and critical loading is ...the voltage profile ...

6

Network Structure Based Critical Bus Identification for Power System Considering Line Voltage Stability Margin

Network Structure Based Critical Bus Identification for Power System Considering Line Voltage Stability Margin

... a voltage stability index based on the sensitivity of local network and neighbouring network to the local voltage phasors was ...node voltage collapse index (ENVCI) and it is derived ...

15

SVC Application for Damping Power System Oscillations

SVC Application for Damping Power System Oscillations

... on voltage stability is investigates using cascade Proportional Integral Differential ...of voltage and reactive power ...Automatic Voltage Regulators (AVR) to damp out the ...of ...

13

Optimal Location of FACTS Device for Power System Security Improvement using Hybrid GA ACO

Optimal Location of FACTS Device for Power System Security Improvement using Hybrid GA ACO

... the voltage deviations between ±5% to avoid voltage collapses during faulty ...additional voltage support is needed at that particular ...the voltage support will be provided by a STATCOM, and ...

5

DESIGN OF AREA-EFFICIENT BANDGAP REFERENCE IN 0.18�m CMOS TECHNOLOGY

DESIGN OF AREA-EFFICIENT BANDGAP REFERENCE IN 0.18�m CMOS TECHNOLOGY

... supply voltage temperature-independent and area- efficient CMOS bandgap reference (BGR) is proposed in this ...reference voltage so that significant area reduction can be ...output voltage of about ...

8

Adaptive Droop Control of Multi-Terminal VSC HVDC Systems With Distributed DC Voltage Control

Adaptive Droop Control of Multi-Terminal VSC HVDC Systems With Distributed DC Voltage Control

... DC voltage control design for multi-terminal VSC-HVDC grid systems, considering the AC and the DC system ...grid voltage droop ...transient stability program, as well as the commercial power system ...

6

A Recap of Voltage Stability Indices in the Past Three Decades

A Recap of Voltage Stability Indices in the Past Three Decades

... Accuracy analysis of static voltage stability indices based on power flow model. Performance evaluation of voltage stability indices for dynamic 518[r] ...

20

Exploring the Impact of Work Life Balance on the Employee and Organisational Growth

Exploring the Impact of Work Life Balance on the Employee and Organisational Growth

... [36] M.J. Hossai, H.R. Pota, R.A. Ramos 2012. “Improved low-voltage-ride-through capability of fixed speed wind turbines using decentralized control of STATCOM with energy storage system” Generation, Transmission ...

6

Congestion management in power system using TCSC

Congestion management in power system using TCSC

... transmission line outage, generator outage etc., the power system becomes congested. Congestion is condition of the power system when it reaches at or beyond the transfer capability limit of the transmission line. The ...

5

Voltage collapse prediction using artificial neural network

Voltage collapse prediction using artificial neural network

... fast voltage stability index (FVSI) under various load ...the voltage security level of a power system under a contingency state using the ...

9

Under Voltage Load Shedding Using Trajectory Sensitivity Analysis Considering Dynamic Loads

Under Voltage Load Shedding Using Trajectory Sensitivity Analysis Considering Dynamic Loads

... Under voltage load shedding is a proficient counter-measure action against voltage ...maintain voltage stability of a power system when the system’s voltage is just about to collapse ...

6

Predicting Voltage Abnormality Using  Power System Dynamics

Predicting Voltage Abnormality Using Power System Dynamics

... V-Q sensitivity analysis to provide proximity of the system to voltage instability as well as the main contributing factor for ...the voltage collapse by identifying the elements that participate in ...

101

Show all 10000 documents...

Related subjects