Results 41 to 50 of about 867,503 (199)

Ultra-stable oscillator with complementary transistors [PDF]

, 1974
A high frequency oscillator, having both good short and long term stability, is formed by including a piezoelectric crystal in the base circuit of a first bi-polar transistor circuit, the bi-polar transistor itself operated below its transitional ...
Kleinberg, L. L.
core   +1 more source

Short-Circuit Protection Circuit With Current Slope-to-Digital Conversion Short-Circuit Detection and Adaptive Soft Turn-Off

IEEE Open Journal of Power Electronics
A short-circuit protection circuit is proposed for power electronic systems employing silicon carbide metal–oxide–semiconductor field-effect transistors.
Seungjik Lee, Jinman Myung, Geonwoo Park, Yoseph Kim, Ockgoo Lee, Ilku Nam   +5 more
doaj   +1 more source

High Speed Level Converters With Short Circuit Current Reduction

International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, 2014
The level converter is used as interface between low voltages to high voltage boundary. The efficient level converter has less power consumption and less delay are the design considerations of the level shifter.
Avireni Srinivasulu, Adipudi Bala Tripura Sundari   +1 more
doaj   +1 more source

Analysis and fault-tolerant control of inter-turn short-circuit fault for five-phase permanent-magnet synchronous machine

Energy Reports, 2022
For the demand of high reliability in the aerospace field, multi-phase electric machines have become a research hotspot for the fault-tolerant ability. Inter-turn short-circuit fault is one of the main fault forms in the electric machine.
Zaiping Zheng, Qiqi Li, Xuyang Li, Ping Zheng, Kaichun Wang, Peijuan Cui   +5 more
doaj   +1 more source

19.2% Efficient InP Heterojunction Solar Cell with Electron-Selective TiO2 Contact. [PDF]

, 2014
We demonstrate an InP heterojunction solar cell employing an ultrathin layer (∼10 nm) of amorphous TiO2 deposited at 120 °C by atomic layer deposition as the transparent electron-selective contact.
Battaglia, Corsin, Chen, Cheng-Ying, Chen, Kevin, Hettick, Mark, Javey, Ali, Kiriya, Daisuke, Lin, Yongjing, Yin, Xingtian, Zheng, Maxwell   +8 more
core   +2 more sources

A solid state current limiter applied to coal mine power system

Gong-kuang zidonghua, 2013
In view of problems of high power consumption, voltage drop and big interference caused by downhole cable of surface substation using current-limiting reactance to limit short-circuit capacity, a solid state current limiter applied to coal mine power ...
WANG Yan-wen, LI Hai-hong
doaj   +1 more source

Analysis of the Operation of Cascade Current Transformers for Measurements of Short-Circuit Currents with a Non-Periodic Component with a Large Time Constant of Its Decay

Energies, 2022
Simulations of emergency states and tests of resistance of electrical devices to emergencies are performed in specialized high-power laboratories, the so-called short-circuit laboratories. For most electrical power devices, such measurements are required
Elzbieta Lesniewska, Jan Olak
doaj   +1 more source

Gallium arsenide 55Fe X-ray-photovoltaic battery [PDF]

, 2016
The effects of temperature on the key parameters of a prototype GaAs 55Fe radioisotope X-ray microbattery were studied over the temperature range -20 °C to 70 °C.
A. M. Barnett, Bower K. E., G. Lioliou, Keithley Instruments, Inc., S. Butera, Sze S. M.   +5 more
core   +1 more source

Transistor current and voltage limiting switch [PDF]

, 1970
Limiting circuit protects the main power supply of electronic modules and limits the current drawn by each module should a short circuit occur. It limits current within one mA when used with direct current of either polarity, or with pulse or ac power ...
Hilbert, E. E.
core   +1 more source

Infrared Solution‐Processed Quantum Dot Solar Cells Reaching External Quantum Efficiency of 80% at 1.35 µm and Jsc in Excess of 34 mA cm−2 [PDF]

, 2018
Developing low‐cost photovoltaic absorbers that can harvest the short‐wave infrared (SWIR) part of the solar spectrum, which remains unharnessed by current Si‐based and perovskite photovoltaic technologies, is a prerequisite for making high‐efficiency ...
Azmi, Brown, Brown, Burkhard, Bush, Cao, Carey, Centurioni, Choi, Choi, Choi, Chuang, Chuang, Dirin, Eperon, Gao, Guchhait, Hou, Ip, Ip, Ip, Jasieniak, Kiani, Kirchartz, Lai, Lan, Lan, Lee, Liu, Liu, Miller, Pettersson, Pradhan, Shockley, Speirs, Stavrinadis, Stavrinadis, Tan, Todorov, Vos, Wang, Zherebetskyy   +41 more
core   +2 more sources