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high frequency current pulses

Phase current reconstruction of switched reluctance motors from DC-link current under double high frequency pulses injection

Phase current reconstruction of switched reluctance motors from DC-link current under double high frequency pulses injection

... the current sensors used in the system will not only increase the cost and volume, but also degrade the running reliability of the motor ...the current sensors are used in each phase winding individually to ...

11

Yb doped femtosecond lasers and their frequency doubling

Yb doped femtosecond lasers and their frequency doubling

... of pulses in the femtosecond ...a high threshold and a low efficiency of operation with limited portability have opened up an opportunity and requirement for investigating new broadband gain media based on ...

201

Modeling of high frequency current transformer based partial discharge detection in high voltage cables

Modeling of high frequency current transformer based partial discharge detection in high voltage cables

... of high voltage (HV) cables and cable accessories has been implemented predominantly using high frequency current transformers (HFCTs) as PD ...PD pulses as the excitation source ...

8

Enhancing Power factor with Power Saving in Induction Motor Drive

Enhancing Power factor with Power Saving in Induction Motor Drive

... machines, Lifts, Cranes, Conveyors etc. The speed control of such motors can be achieved by controlling the applied voltage on the motor by the use of power electronic devices [1]. AC voltage controllers as power ...

5

Chap 14 EM spectrum 12 S

Chap 14 EM spectrum 12 S

...  Generated by radio transmitter, a high frequency electric current in a.. transmitting aerial.[r] ...

14

Insulin administration: present strategies and future directions for a noninvasive (possibly more physiological) delivery

Insulin administration: present strategies and future directions for a noninvasive (possibly more physiological) delivery

... In current prac- tice, glycemic control is achieved through the use of basal and prandial insulin (multiple daily injections [MDIs]) or by continuous subcutaneous insulin infusion (CSII) using an external ...

10

Design of Orthogonal Filtered Multitone Modulation Systems and Comparison among Efficient Realizations

Design of Orthogonal Filtered Multitone Modulation Systems and Comparison among Efficient Realizations

... Finally, the performance in terms of average signal-to- interference power ratio of the orthogonal FMT system in typical multi-path fading channels is reported and compared to that obtained with a conventional truncated ...

18

Low  and high frequency insulin secretion pulses in normal subjects and pancreas transplant recipients: role of extrinsic innervation

Low and high frequency insulin secretion pulses in normal subjects and pancreas transplant recipients: role of extrinsic innervation

... frequency pulse characteristics were identical to normal. Low-frequency ultradian pulse periodicity was normal but pulse amplitude was increased. Thus, ultradian insulin secretory pulsatility is a ...

10

Low-Cost PEM Fuel Cell Diagnosis Based on Power Converter Ripple With Hysteresis Control

Low-Cost PEM Fuel Cell Diagnosis Based on Power Converter Ripple With Hysteresis Control

... constant- frequency control of the power converter (such as PWM), this paper discusses the measurement issues that arise when hysteresis current control is employed for a DC/DC boost converter, which ...

8

An Evaluation of Factors Affecting Pulses Production and Consumption in Bihar

An Evaluation of Factors Affecting Pulses Production and Consumption in Bihar

... of pulses crops in the ...of pulses area in total cropped ...of pulses in the state by combat the losses occurred due to natural calamities, growers should be motivated for adopting proper package of ...

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Efficient, High Aspect Ratio Microhole Drilling with Rapidly Repeated Pulses

Efficient, High Aspect Ratio Microhole Drilling with Rapidly Repeated Pulses

... two pulses increase the depth nearly 20%. The following 7 pulses only deepen the hole ...extremely high initial ...creates high temperature plasma exiting away with high ...Subsequent ...

84

Visible Light Communication

Visible Light Communication

... In order to actually send data through LEDs, such as audio, image files, it is required to modulate these into a carrier signal. In the context of visible light communication, this carrier signal consists of light ...

5

Wireless charging system using high power, high frequency magnetic 
		interface for underwater electric vehicles

Wireless charging system using high power, high frequency magnetic interface for underwater electric vehicles

... This PWM modulation technique used in a complementary manner with both positive and negative polarities using either a half-bridge[4] (using 2 MOSFET switches) or a full H-Bridge using 4 MOSFET switches enables ...

5

The impact of high frequency high current perturbations on film formation at the negative electrode electrolyte interface

The impact of high frequency high current perturbations on film formation at the negative electrode electrolyte interface

... a high voltage bus on a pre-production series hybrid electric vehicle during a regenerative breaking event ...the current waveforms that batteries are exposed to during typical electric ...direct ...

13

INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES MANAGEMENT POWER QUALITY ENHANCEMENT IN THREE PHASE SYSYTEM Ashish Dewangan 1* and Vineet Dewangan 2

INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES MANAGEMENT POWER QUALITY ENHANCEMENT IN THREE PHASE SYSYTEM Ashish Dewangan 1* and Vineet Dewangan 2

... with high frequency The high- frequency(HF) current is injected at the input of three-phase diode bridge rectifier through capacitor Cf causing modulation of input voltage of the diode ...

5

The effects of high frequency current ripple on electric vehicle battery performance

The effects of high frequency current ripple on electric vehicle battery performance

... In conclusion, the experimental results presented highlight the potential for key electrical properties within the cell to diverge, over time, due to the inclusion of an AC excitation signal in addi- tion to the ...

14

High frequency eddy current measurements using sensor mounted electronics

High frequency eddy current measurements using sensor mounted electronics

... eddy current sensor coils, reducing issues with cable induced electrical noise, enabling one to detect smaller defects at earlier stages of ...eddy current frequencies to over 15 ...

12

Developing a high frequency current amplifier for Scanning Tunnelling Microscopy.

Developing a high frequency current amplifier for Scanning Tunnelling Microscopy.

... There are however still points that can be improved upon. In this thesis, we will address the temporal resolution of STM: Even the best setups can only measure fluctuations of at best a couple of hundreds of Hz due to ...

59

Diode laser pumped Nd : YAG laser for 946 nm and its frequency doubling

Diode laser pumped Nd : YAG laser for 946 nm and its frequency doubling

... It has been found that certain materials have larger nonlinearities than others. For a crystalline material to exhibit a second order optical nonlinearity, it must belong to a non-centro-symmetric crystal class. In ...

188

Power scaling of an extreme ultraviolet light source for future lithography

Power scaling of an extreme ultraviolet light source for future lithography

... In semiconductor industry there is an ongoing effort to produce smaller and cheaper printable structures. For more than half a century, these advances are driven by Moore’s law, which states that the number of ...

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