current-limiting
Effectiveness of superconducting fault current limiting transformers in power systems
... fault current limiters (SFCL) next to the conventional transformer could be a nice solution, which helps in achieving fault tolerant performance and re- duced losses in steady-state conditions [2], ...fault ...
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Current-limiting DC/DC power converters
... the current- limiting controller that has been introduced for the first time in this ...the current-limiting property are valid as shown in the experimental results that ...
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Appropriate Placement of Fault Current Limiting Reactors in Different HV Substation Arrangements
... In this paper application of current limiting reactors, for reduction of fault current, has been analyzed. Four well- known bus bar arrangements in the substation were simulated by EMTP. In each ...
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Three-phase grid-connected inverters equipped with nonlinear current-limiting control
... a current-limiting property should be additionally ...nonlinear current limiting controller that overcomes these issues has been re- cently proposed for single phase grid-connected inverters ...
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GLOBAL JOURNAL OF ADVANCED ENGINEERING TECHNOLOGIES AND SCIENCES FORKED MOVING CONTACTS IN POWER CIRCUIT BREAKERS: SOLUTION TO CONSTANT POWER LOSSES INCURRED IN THE USE OF SERIES SHORT- CIRCUIT CURRENT LIMITING REACTORS ON FEEDERS Akpeh V.A*, Echedom V.C
... series current limiting reactors for short circuit current ...Though current limiting reactor (CLR) is the most practical technique for reducing short circuit currents to levels within ...
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Reduction of Ratings and Cost of Compensators for the Improvement of Power Quality of Distribution System Using FACTS Controllers with Current Limiting Switch (CLS)
... a current limiting switch as current limiter (CLS) and traditional power devices to decrease the required power rating of series and shunt compensators , thereby reducing the investment cost of ...
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Power sharing of parallel operated DC-DC converters using current-limiting droop control
... input current) of each converter is ...a current-limiting property is ...the current that may be delivered to a load and making sure that certain boundaries are not violated represents another ...
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INVESTIGATION OF FAULT CURRENT LIMITING TRANSFORMER USING VARIABLE REACTANCE
... fault current, voltage transformation, and voltage ...fault current limit, the consumer power system and the transformer can be replaced by a transform substation to receive and ...loop current limit ...
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Design, Implementation & Performance Evaluation of High Speed ARM Processor Based Under & Over Voltage Protective Relay
... provides current limiting and protects the power supply and attached circuit from over current Since the system is to prevent against over and under voltage, the transformer was designed and the ...
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DC line to line short-circuit fault management in a turbo-electric aircraft propulsion system using superconducting devices
... fault current magnitude and rise time, as well as the stability behavior of the system utiliz- ing the realistic electro-thermal models of superconducting devices in ...fault current limiter (SFCL) and ...
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Arc root commutation from moving contacts in low voltage devices
... A high speed arc imaging system (AIS) has been used to record optical data of arc motion at sample rates of 1 MHz, [12]–[14]. The short circuit tests were carried out in a flexible test apparatus (FTA) designed to ...
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Semiconductor devices in solid state/hybrid circuit breakers: current status and future trends
... Apart from resistive components, other passive components, e.g., inductors and capacitors, could also be used together with semiconductor devices for current limiting. As a series-connected component, ...
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A Novel Over Current Protection Technique Applied to Peak Current Type DC DC Converter
... peak current easier to sta- bilize even though D is greater than ...maximum current limiting value to vary when the duty cycle ...and current need to change, such as a plating power ...
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Analyses Of the Active Superconducting Fault Current Limiter Simulations and Experimental
... fault current limiter (SFCL) is ...winding’s current, the limiting impedance which is in series with the AC main circuit can be regulated and the fault current will be limited to a certain ...
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Design and Application of Fault Current Limiter in Iran Power System Utility
... fault current mechanically and thermally damages electric equipments in the system, it is desirable to incorporate a fault current limiter in the ...fault current limiters: current ...
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Impact of converter interface type on the protection requirements for DC aircraft power systems
... of limiting current output when antiparallel diodes exist within the converter is to utilize a ...will current limiting ...fault current would depend on the impedance of the crowbar ...
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Performance Analysis of Voltage Sag Compensation Using Super Conducting Fault Current Limiter for R or RL Loads
... fault current of the system increased greatly. The levels of fault current in many places have often exceeded the withstand capacity of existing power system ...Thus, limiting the fault ...
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Reactive Power Compensation and Limiting Harmonic Current using Shunt Active Power Filter
... load current, source current, compensating current and load voltage three phase waveform are illustrated in ...load current, due to the nature of the load is non- ...compensating ...
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A Study of the Interference from Sulphide and Dithionite on Electrochemical Sulphite Analyses on Platinum
... the current density is closer to be a linear function of the concentration of ...The current densities obtained at ...the current density data from a pure sulphite solution plotted as a function of ...
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Methods of Assessing the Strength of Masonry to Ensure the Reliability of Reconstructed Structures
... Modern materials and technologies allow to fulfill the reconstruction of historical buildings as well as to achieve the preservation and restoration of architectural monuments. Decision-making in the field of ...
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