نتایج جستجو برای: bounded dc sbdc and double
تعداد نتایج: 16892853 فیلتر نتایج به سال:
The thermoelectric transfer difference of Thermal Converters (TCs) can be evaluated in both current mode and voltage mode, using a fast-reversed dc (FRDC) source. Some types of TCs show differences in the thermoelectric transfer difference between voltage and current mode as large as some parts in 10. In order to investigate the origin of the discrepancy, the change of the thermoelectric transf...
Direct current (DC)-link voltage ripple analysis is essential for determining harmonic noise and for DC-link capacitor design and selection in single-phase pulse-width modulation (PWM) inverters. This paper provides an extensive theoretical analysis of DC-link voltage ripple for full-bridge (H-bridge) inverters, with simulation and experimental verifications, considering a DC source impedance (...
Abstract We develop a structure theory for $$\mathrm {RCD}$$ RCD spaces with curvature bounded above in Alexandrov sense. In particular, we show that any such space is topological manifold boundary whose interior equal to the set of regular points. Further points smooth and geodesically convex. Around there a...
for any reduced commutative $f$-ring with identity and bounded inversion, we show that a condition which is obviously necessary for the socle of the ring to coincide with the socle of its bounded part, is actually also sufficient. the condition is that every minimal ideal of the ring consist entirely of bounded elements. it is not too stringent, and is satisfied, for instance, by rings of conti...
Aims. We wish to provide simple and accurate analytic approximations for the low frequency double Compton (DC) emission coefficient , which are applicable in a broad range of physical situations up to mildly relativistic temperatures and may be useful for checking under which circumstances the double Compton process is important. Methods. We perform series expansions of the DC emission integral...
In this paper, direct current (DC) fault limiting and interrupting operation of hybrid DC circuit breaker (DCCB) using double quench, which consists DCCB, a series resonance circuit, power electronic switch, surge arrestor, two separated reactor/resistor, superconducting elements, were suggested. The suggested DCCB can perform the after twice or once according to amplitude. To verify effective ...
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