• No results found

current limiters

An Optimal Design Approach for Resistive and Inductive Superconducting Fault Current Limiters via MCDM Techniques

An Optimal Design Approach for Resistive and Inductive Superconducting Fault Current Limiters via MCDM Techniques

... The analytic hierarchy process (AHP), is a simple and convenient MCDM technique that can provide a positive approach to the complex decision-making problems with multiple objectives/criteria and no architectural ...

8

Fast clearing and protection of Power Systems with Fault Current Limiters and PLL-Aided Fault Detection

Fast clearing and protection of Power Systems with Fault Current Limiters and PLL-Aided Fault Detection

... fault– current limitersand current diverters is that they must be able to operate withina few milliseconds after fault ...fault current mustbe limited before the first peak of the fault ...

9

Protection of Power System using a PLL with Fault Current Limiters

Protection of Power System using a PLL with Fault Current Limiters

... fault current limiters. A current diverter consists of a switch that is in open position under normal operating ...fault current must be limited before the first peak of the fault ...

6

Analysis of energy dissipation in resistive superconducting fault-current limiters for optimal power system performance

Analysis of energy dissipation in resistive superconducting fault-current limiters for optimal power system performance

... fault current limiters (SFCLs) have been the subject of research and development for many years, and offer an attractive solution to the problem of rising fault levels in electrical distribution systems ...

7

Permanent Magnet Fault Current Limiters for Electrical Power Protection Systems

Permanent Magnet Fault Current Limiters for Electrical Power Protection Systems

... fault current limiter (FCL) is a changeable impedance device connected in series with a circuit breaker and has insignificant influence in a power system under normal conditions but can limit the current ...

170

Allocation of Fault Current Limiters in Power Systems Considering Fault Current, Cost, and Lost Power Indices Using Imperialist Competitive Algorithm

Allocation of Fault Current Limiters in Power Systems Considering Fault Current, Cost, and Lost Power Indices Using Imperialist Competitive Algorithm

... Developments in power systems like the installation of new generation resources and interconnections may increase short- circuit current levels and consequently, impose additional costs of replacing circuit ...

12

Application of multiple resistive superconducting fault-current limiters for fast fault detection in highly interconnected distribution systems

Application of multiple resistive superconducting fault-current limiters for fast fault detection in highly interconnected distribution systems

... fault current limiters (SFCLs) of- fer several benefits for electrical distribution systems, especially with increasing distributed generation and the requirements for better network reliability and ...

8

Current–time characteristics of resistive superconducting fault current limiters

Current–time characteristics of resistive superconducting fault current limiters

... Abstract—Superconducting fault current limiters (SFCLs) may play an important role in power-dense electrical systems. There- fore, it is important to understand the dynamic characteristics of SFCLs. This ...

6

The Analysis and Application of Resistive Superconducting Fault Current Limiters in Present and Future Power Systems

The Analysis and Application of Resistive Superconducting Fault Current Limiters in Present and Future Power Systems

... mean of the layer temperatures. The flow of heat between layers is modelled, taking into account the thermal conductivity of the two different materials. The E − J behaviour is based on the power law equations, except ...

192

Evaluating the impact of superconducting fault current limiters on distribution network protection schemes

Evaluating the impact of superconducting fault current limiters on distribution network protection schemes

... fault current which would bene- fit from seeing substantial limitation, while the grid infeed allows the benefits of the SFCL to be seen over a wider area of the ...

5

Performance Analysis of the Positioning of Superconducting Fault Current Limiters for the Smart Grid Application Using MATLAB Simulink
                 

Performance Analysis of the Positioning of Superconducting Fault Current Limiters for the Smart Grid Application Using MATLAB Simulink  

... the current passes through the superconductor and when a high fault current begins, the superconductor quenches: it becomes a normal conductor and the resistance rises sharply and ...fault current. ...

5

Application of Superconducting Fault Current Limiters in Smart Grid System

Application of Superconducting Fault Current Limiters in Smart Grid System

... fault, current exceeds its critical value of the superconductor material which results in the transition of the device (SFCL) from its superconducting (low resistance) state to the normal (high resistant) and ...

10

Optimal allocation of fault current limiters in sub-transmission networks

Optimal allocation of fault current limiters in sub-transmission networks

... over current relays, minimization of FCL's impedance amplitude and reset to zero of the number of miss-coordination of over current relays in the ...circuit current income up to the protective ...

7

Design and Application of Fault Current Limiter in Iran Power System Utility

Design and Application of Fault Current Limiter in Iran Power System Utility

... fault current limiter is one of well known fault current limiters, because of using superconductor in the structure of rectifier type FCL, using this type is limited to research projects and ...

6

Improvement Transient Stability of Fixed Speed Wind Energy Conversion System by using Transformer Type Superconducting Fault Current Limiter

Improvement Transient Stability of Fixed Speed Wind Energy Conversion System by using Transformer Type Superconducting Fault Current Limiter

... circuit current will increase in distribution ...Fault Current Limiter (SFCL), would not only reduce the level of the short circuit current but also offer a reliable interconnection to the ...fault ...

9

Frequency of Alternative Immunization Schedule Use in a Metropolitan Area

Frequency of Alternative Immunization Schedule Use in a Metropolitan Area

... episodic limiters, and nonlimiters (Fig 1). Consistent shot- limiters were de fi ned as those chil- dren having no more than 2 vaccine injections on all immunization visits from birth up to 9 months of ...

9

An Acoustic Modem Featuring a Multi Receiver and Ultra Low Power

An Acoustic Modem Featuring a Multi Receiver and Ultra Low Power

... Voltage Limiters The Push-Pull output stage of the transmission power amplifier the out signal shown in Figure 3 is directly connected to the in port in the proposed Wilkinson power divi[r] ...

13

Electromagnetic simulations of JET ICRF ITER-like antenna with TOPICA and SSWICH asymptotic codes

Electromagnetic simulations of JET ICRF ITER-like antenna with TOPICA and SSWICH asymptotic codes

... influx per MW of ICRF power applied are comparable for the A2 and the ILA antennas [5], despite the higher power density (smaller radiating surface) of the latter. With the ILW, the ILA operation with only bottom half ...

5

Experimental studies of confinement integrity of metal cask subjected to impulsive loads due to aircraft engine crash (Part.1)

Experimental studies of confinement integrity of metal cask subjected to impulsive loads due to aircraft engine crash (Part.1)

... impact limiters (1) and seismic tests subjected to strong earthquake motions (2) ...impact limiters during the extreme impact loads due to aircraft crash, the numerical evaluation was performed for two ...

8

Semi-implicit schemes for compressible fluids in elastic pipes and a-posteriori sub-cell finite volume limiting techniques for semi-implicit Discontinuous Galerkin schemes for hyperbolic conservation laws on staggered meshes

Semi-implicit schemes for compressible fluids in elastic pipes and a-posteriori sub-cell finite volume limiting techniques for semi-implicit Discontinuous Galerkin schemes for hyperbolic conservation laws on staggered meshes

... volume limiters for spatially high order accurate semi-implicit discontinuous Galerkin schemes on staggered Cartesian grids for the solution of the 1D and 2D shallow wa- ter equations (SWE) and of the Euler ...

237

Show all 10000 documents...

Related subjects