نتایج جستجو برای: ac load flow
تعداد نتایج: 651932 فیلتر نتایج به سال:
How big should the conductors be? The required size (or gauge) of the conductors depends on three factors: (1) the load impedance; (2) the length of cable required; and (3) the amount of power loss that can be tolerated. Each of these involves relationships between voltage (volts), resistance (ohms), current (amperes) and power (watts). These relationships are defined with Ohm’s Law. The job of...
The development of a control system and control strategies capable of governing multiple flexible AC transmission system (FACTS) devices in coordination with a load shedding is described here. The main purpose of the presented coordinated control system is to remove overloads caused by unplanned line outages in transmission network. A sensitivity analysis was used to find out an intercoupling b...
For high performance designs, dynamic logic techniques have to be considered due to the promising high reachable frequencies. Such a technique is the True Single Phase Clock (TSPC) logic that allows designing circuits with standard cells and high speed potential. However, the disadvantages are a difficult clock tree design and high power consumption. Asynchronous logic has the potential to solv...
Abstract Presented work has made an attempt to establish details of connectivity of Wind Farms with isolated installations. Paper has shown ACDC-AC connectivity of wind farm through Rectifier inverter to an AC load. Mat Lab simulation results of wind farm connectivity to an AC load of lumped type is done. Developed work has focussed on necessity of energy storage during high wind situations so ...
Activated carbon (AC) particles constitute the current material of choice concerning preparation flow electrodes for flow-electrode capacitive deionization (FCDI). They are inexpensive, mass-producible, highly conductive, and exhibit a large specific surface area ion adsorption. However, despite recent advances modification AC slurries, their density, hydrophobicity still major challenges regar...
In this paper, a fuzzy logic controller is proposed for an application of HVDC link to stabilize the frequency oscillation in a parallel AC – DC interconnected power systems. When an interconnected AC power system is subjected to a load disturbance, system frequency may be considerably disturbed and becomes oscillatory. By utilizing the system interconnections as the control channels of HVDC li...
The objective of this work is to obtain in situ slurry fluid flow data during the chemical mechanical planarization CMP process. Slurry flow affects the material removal processes, the creation of defects, and consumable use during CMP, and therefore impacts the cost and quality of polishing. Wafer-scale flow visualization using seeded slurry was accomplished for a variable applied load 0.3–2.5...
The control strategy and design of an AC/DC/AC IGBT-PMW power converter for PMSG-based variable-speed wind energy conversion systems (VSWECS) operation in grid/load-connected mode are presented. VSWECS consists of a PMSG connected to a AC-DC IGBT-based PWM rectifier and a DC/AC IGBT-based PWM inverter with LCL filter. In VSWECS, AC/DC/AC power converter is employed to convert the variable frequ...
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