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high voltage high frequency transient

Computation of transient electromagnetic fields due to switching in high voltage substations

Computation of transient electromagnetic fields due to switching in high voltage substations

... of transient fields in a substation, the transient current propagating along the busbars is ...varying frequency, which are good representations for transient currents in substations, have ...

8

An islanding detection method for multi DG systems based on high frequency impedance estimation

An islanding detection method for multi DG systems based on high frequency impedance estimation

... novel high frequency transient injection based islanding detection method that is suitable for both single and multiple-DGs is ...a high frequency impedance model for DG is provided for ...

10

Advanced Control of Unified HVDC for Onshore and Offshore Wind Power Plant

Advanced Control of Unified HVDC for Onshore and Offshore Wind Power Plant

... low frequency and high frequency transient conditions and the simulation analysis has been done elaborately From the overall results, it is observed that synchronous reference frame control ...

6

High Performance Integrated Controller with Variable Frequency Control for Switching DC-DC Converters

High Performance Integrated Controller with Variable Frequency Control for Switching DC-DC Converters

... design. High performance switching DC-DC converter must meet requirements of high current, low voltage tolerance, fast transient response, high power efficiency, small profile and low ...

143

A New Topology for Dynamic Voltage Restorer Using High Frequency Link

A New Topology for Dynamic Voltage Restorer Using High Frequency Link

... severe voltage disturbances for long time intervals ...rapid voltage disturbances, the three-phase hybrid- transformer is used in ...another voltage compensator based on matrix converter without ES ...

11

A Transient Scheme for the Identification of Fault in HVDC Transmission Line

A Transient Scheme for the Identification of Fault in HVDC Transmission Line

... novel transient based protection for High Voltage Direct Current (HVDC) ...of transient energy and the relation between various parameters of the line are analysed during each ...the ...

7

Transmission Characteristics of High Frequency Signal in Low Voltage Power Lines

Transmission Characteristics of High Frequency Signal in Low Voltage Power Lines

... the frequency selective attenuation of the power lines as the frequency increases and seriously affect the communication distance [11]; on the other hand, considering the signal transmission of smart meter ...

6

Performance Analysis of phase shifted SPWM Technique for Three Phase Diode Clamped Three Level Inverter

Performance Analysis of phase shifted SPWM Technique for Three Phase Diode Clamped Three Level Inverter

... DC voltage into variable AC voltage at required voltage and ...ac voltage waveforms with multiple ...in high-power medium-voltage (MV) drives. The dc input voltage of the ...

5

Power Electronic Transformer based IGBT Converters for Electric Locomotive Applications

Power Electronic Transformer based IGBT Converters for Electric Locomotive Applications

... a high efficient electric locomotive unit with greater energy efficiency on the system as well as on ...with high frequency ...line frequency transformer ...

6

Control of High Voltage Boost Converterfor High Voltage Application

Control of High Voltage Boost Converterfor High Voltage Application

... High step-up converters have been widely used in the industry. The application of converters are uninterruptible power supply, and solar cell system, intensity discharge la mp driver[1], [2], etc. These ...

8

Comparison of high-resolution Scheimpflug and high-frequency ultrasound biomicroscopy to anterior-segment OCT corneal thickness measurements

Comparison of high-resolution Scheimpflug and high-frequency ultrasound biomicroscopy to anterior-segment OCT corneal thickness measurements

... GmbH, Wetzlar, Germany), a spectral-domain AS-OCT (RTVue-100, Optovue Inc, Fremont, CA, USA), and a high- frequency ultrasound biomicroscopy (HF-UBM) system (Artemis II, Artemis Medical Technologies Inc, ...

9

Design Considerations of High Voltage and High Frequency 3 Phase Transformer for Solid State Transformer Application

Design Considerations of High Voltage and High Frequency 3 Phase Transformer for Solid State Transformer Application

... coercivities, high permeabilities (around ...its high performance in the kilo Hertz frequency range ...its high permeability, the core size is smaller than that of other materials, the heat ...

81

Enhancing Power factor with Power Saving in Induction Motor Drive

Enhancing Power factor with Power Saving in Induction Motor Drive

... This section presents the performance evaluation of the proposed scheme with the high frequency PWM technique. The hardware of the proposed work is prepared and tested to obtain the desired result. The ...

5

Lexical Representation and Processing in Cross-Script Urdu-English Bilinguals: The Case of Frequency-Balanced and Frequency-Unbalanced Cognates and Noncognates

Lexical Representation and Processing in Cross-Script Urdu-English Bilinguals: The Case of Frequency-Balanced and Frequency-Unbalanced Cognates and Noncognates

... the frequency characteristics of the word, the level of second language proficiency, and whether the task is carried out in the dominant or the nondominant language (Dijkstra, Van Jaarsveld, et ...

269

Monitoring Charge Exchange in P3HT Nanotube Composites Using Optical and Electrical Characterisation

Monitoring Charge Exchange in P3HT Nanotube Composites Using Optical and Electrical Characterisation

... electrophotonic devices such as solar cells and photo- detectors require enhanced transport of separated carriers and limited electron-hole recombination. Thus we need to a methodology that monitors charge transport and ...

5

Electrical Energy Storage to Meet Evolving Aircraft Needs .

Electrical Energy Storage to Meet Evolving Aircraft Needs .

... (with Voltage Controller Gain set to -5000). By varying the Voltage Controller Gain down to -7 system stability could be recovered easily for large Controller Gain (5000 and ...the Voltage Controller ...

53

A Low Power High Sensitivity CMOS Multivibrator Based Voltage to Frequency Convertor

A Low Power High Sensitivity CMOS Multivibrator Based Voltage to Frequency Convertor

... power, high sensitivity CMOS multivibrator based voltage to frequency ...input voltage ranges from .6 V to 1.8 V and the output frequency ranges from ...

6

Frequency Analysis Technique For Determination Of High Voltage Insulation Material Surface Condition

Frequency Analysis Technique For Determination Of High Voltage Insulation Material Surface Condition

... The rate of voltage rise and is another factor of affecting dielectric strength and whether it is continuous or step by step. A slow rate of increase usually encourages time-dependent thermal degradation due to ...

24

Ride-through-fault capabilities of DFIG wind farm connected to a VSC station during a DC fault

Ride-through-fault capabilities of DFIG wind farm connected to a VSC station during a DC fault

... DC voltage controller of the grid side converter in order to maintain the DC voltage level almost without variations even in the worst case ...DC voltage is 30% of the rated power of the wind ...DC ...

5

A Review of Cycloconverter Type Voltage and Frequency Variations for High Frequency Applications

A Review of Cycloconverter Type Voltage and Frequency Variations for High Frequency Applications

... Speed control of Induction motor plays important role in industries, there are various ways to control speed of motor but considering its efficiency, we proposed the designed to control the speed of a single phase ...

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