Results 231 to 240 of about 245,043 (276)
The use of Direct Current Injection (DCI) techniques for aircraft clearance
International Conference on Electromagnetic Compatibility, 1997 This paper discusses the research and development of an alternative technique for conducting high level electromagnetic (EM) clearance testing of aircraft platforms concentrating on the HF and VHF frequency bands. Measurements have been carried out to cover the frequency range 10 kHz-400 MHz.
Gary D. Barber
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New techniques for measuring islanded microgrid impedance characteristics based on current injection
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA), 2014 Impedance is an important parameter to analysis the stability of microgrid. Stability criteria have been developed in terms of source and load impedances for both dc and ac systems, and it is often helpful to have techniques for impedance measurement. First, the theoretical impedance of microgrid is calculated in this paper.
Lixiang Hou +4 more
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An Ultra-Low Power QVCO Using Current-Coupling and Bulk-Injection Techniques
IEEE Microwave and Wireless Components Letters, 2014 In this letter, a quadrature voltage-controlled oscillator (QVCO) using PMOS transistors to couple two VCO cores is presented. The power consumption is drastically reduced by using the bulk of the PMOS transistors to lower the transconductance of both differential pairs in the coupling network. The QVCO achieves a measured phase noise of ${-}116.02$
Majid Jalalifar, Gyung-Su Byun
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MODIFIED CURRENT INJECTION TECHNIQUE
Electric Machines & Power Systems, 1990Abstract An alternate method of determining the harmonic currents of a six pulse AC-DC converter is described. This method uses the harmonic voltages to predict the firing angles and the resulting injected harmonic currents. The model avoids the complexities of power flow solutions methods and offers more accuracy than the usual current injection ...
M. TALEB, T. H. ORTMEYER
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IGBT tail current reduction by current injection technique
2008 43rd International Universities Power Engineering Conference, 2008In this paper, experiments where current was injected into an IGBT (insulated gated bipolar transistor) during its turn-off transient were carried out. Results showed a significant reduction in the IGBTpsilas collector tail current which could increase the operating frequency for an application.
S. Eio, N.Y.A Shammas
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Surface Current Injection Techniques: A Theoretical Investigation
IEEE Transactions on Nuclear Science, 1978The surface current injection technique can provide low cost, in situ EMP testing of aircraft systems. It has not provided adequate simulation quality in the past, however. This theoretical study was undertaken to find surface current injection technique configurations capable of quality simulation.
K. S. Kunz +5 more
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Examination of the current injection technique (distribution networks)
IEEE Transactions on Power Delivery, 1992The limitations of the current injection technique are described. Time domain steady state simulation of the six pulse AC-DC converter in distribution systems is used as a model to determine those limitations. The simulation is able to operate under balanced or unbalanced circumstances.
M. Taleb, T.H. Ortmeyer
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Analog Integrated Circuits and Signal Processing, 2021
This letter presents a V-band CMOS injection-locked frequency tripler (ILFT) fabricated in a standard 90-nm CMOS process. By employing a differential harmonic current injection technique, a frequency doubler (2f0) realized in the connected source terminal of injection transistors is to mix with injection signals (f0) through injection transistors, and ...
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This letter presents a V-band CMOS injection-locked frequency tripler (ILFT) fabricated in a standard 90-nm CMOS process. By employing a differential harmonic current injection technique, a frequency doubler (2f0) realized in the connected source terminal of injection transistors is to mix with injection signals (f0) through injection transistors, and ...
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Current harmonic reduction using Current Injection technique in a converter system
2012 International Conference on Computing, Electronics and Electrical Technologies (ICCEET), 2012In this work a Current Injection technique has been introduced to mitigate Current Harmonics and to improve Power factor present in a high power Converter system. This work proposes the simultaneous Current Injection in all of the three phases. Current Injection technique has to be performed with the help of a Injection Networks and Injection Devices ...
S. Parthasarathy +2 more
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Improvement of Insulin Injection Technique
The Diabetes Educator, 2016Purpose Correct insulin injection technique is a crucial aspect of diabetes management. The purpose of this article is (1) to outline the medical literature, including patient-based studies and surveys, surrounding the type of issues and problems that patients encounter with injectable insulin therapy and the degree to which correct insulin technique ...
Geralyn, Spollett +4 more
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