نتایج جستجو برای: huge capacitor
تعداد نتایج: 56304 فیلتر نتایج به سال:
Can one build, and efficiently use, networks of arbitrary size and topology using a "standard" node whose resources, in terms of memory and reliability, do not need to scale up with the complexity and size of the network? This thesis addresses two important aspects of this question. The first is whether one can achieve efficient connectivity despite the presence of a constant probability of fau...
We present results on the development a new micro electromechanical parallel plate tunable capacitor with a wide tuning range. Different from conventional parallel plate tunable capacitors, this new tunable capacitor consists of one suspended movable top plate and two fixed plates. One fixed plate and the top plate form the variable capacitor, while the other, together with the top plate, is us...
During the switching on/off of shunt capacitor banks in substations, vacuum circuit breakers (VCBs) are required to switch off or to switch on the capacitive current. Therefore, the VCBs have to be operated under a harsh condition to ensure the reliability of the equipment. This study presents a complete comparison study of ordinary and phase-controlled VCBs on switching 10 kV shunt capacitor b...
In distribution systems, in order to diminish power losses and keep voltage profiles within acceptable limits, network reconfiguration and capacitor placement are commonly used. In this paper, the Hybrid Shuffled Frog Leaping Algorithm (HSFLA) is used to optimize balanced and unbalanced radial distribution systems by means of a network reconfiguration and capacitor placement. High accuracy and ...
In this article, a multi-objective function for placement of Distributed Generation (DG) and capacitors with thetap setting of Under Load Tap Changer (ULTC) Transformer is introduced. Most of the recent articles have paidless attention to DG, capacitor placement and ULTC effects in the distribution network simultaneously. Insimulations, a comparison between different modes was carried out with,...
This paper presents a bidirectional DC-DC converter suitable for low-voltage super capacitor-based electric energy storage systems. The DC-DC converter presented here consists of a full-bridge circuit and a current-fed push-pull circuit with a high frequency (HF) transformer-link. In order to reduce the device-conduction losses due to the large current of the super capacitor as well as unnecess...
The main challenge of present distribution networks is the huge increase in demand for electricity especially city center where increasing vertically same geographical area. This work presents analyses 5-Mail network Basra City/Iraq with conventional system 33/11/0.416 kV, at future load by estimating 10 years later. analyzed terms voltage drop, power losses, and feeder loading. To improve kV r...
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