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Search results for: transformer
158 results found.
16 pages of results.
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Year: 2016, Volume: 16, Number: 3
... to control Cascaded H-bridge (CHB) angle shift between the windings of the rectifier transformer, inverters. The main contribution of this paper is to some low order ... rectifiers, capacitive dc-links and 180º from the adjacent carriers [16]. input transformers with proper angle shift between the 2 windings [15]. In this ...
Year: 2020, Volume: 20, Number: 3
... and a Zmod DAC 1411 (modules also manufactured on the mid winding of the transformer (vsec) are described in by Digilent) implementing the analog to digital ... implementations of the input current  0 ï€ ïƒ· sensors use circuits based on current transformers that also  R  R C  alter the input valley current waveform ...
Year: 2018, Volume: 18, Number: 4
... for instance by an follows [9 ]: adequate selection of nominal power for transformers, by shutting weakly loaded elements off and by avoiding idle   FC ... search space is partially are purposefully installed in selected optimal locations are discrete. A transformer's ratio of transformation changes capacitor banks of the SVC type as well as static ...
Year: 2009, Volume: 9, Issue: 2
... have been produced over 100 years and there are was obtained by using a current transformer which working now an extremely large number in use throughout the world. zone ... electronic switches SW1 and SW2, made with two thyristors mounted in antiparallel, an autotransformer ATR, which supplies with variable voltage the current source CS. This is ...
Year: 2011, Volume: 11, Number: 2
... SC in a two-winding high frequency stray capacitance between conductor wire filaments. The new transformer for circuit simulation. The approach is useful for proposed method is called vespiary ... self- adjacent wire filaments (WFs) and capacitance between the capacitance of high-voltage transformers is studied in [9]. In wire filaments and central cylindrical liner ...
Year: 2009, Volume: 9, Issue: 3
... [12] S. Gal, F. Balasiu, "Simulation of Current Transformer saturation to+ cosh αl cos βl Test Numerical Relays", Proceedings of ... very precise, but techniques as well as two-terminal data methods to estimate the current transformers can limit the accuracy of these fault locations [1]. estimations. ...
Year: 2017, Volume: 17, Number: 4
... ). This is achieved by the elimination of costly, heavily, and bulky transformer controlling the amplitude of the voltage of the DC link [24]. ... At the reactive current (i st) flowing toward the connection same time a transformerless D-STATCOM system based on inductance is proportional to the difference of D- five ...
Year: 2022, Volume: 22, Number: 3
... on transformers T A igrid dt (8) 0 is related to saturation. Transformer saturation is directly T related to the ratio of voltage to frequency (U ... of connecting IBDG to the network can be written as (8) and power transformers and also Current Transformers (CTs) (9 ), respectively. applied ...
Year: 2020, Volume: 20, Number: 1
... u )= 0 and h(x ,u )< 0 NT: Transformer total numbers f and g symbolizes the objective function and the load flow NC ... reactive power and tap changer create a new population. Clone numbers depend on the transformers ratio. Power losses in the electric grid are affinity value of the antibodies ...
Year: 2015, Volume: 15, Number: 4
... excitation systems and Load Positive sequence of Real power, reactive Line governors. The transformer between buses 11 and 12 is buses voltage and current power breaker status modified ... burden; (ii) the novel application of measurement-based Changer (ULTC) of transformers, the operation of Over- clustering approach for voltage stability studies; ( ...
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