Sequence Domain Conversion
Sequence Domain Conversion - Related Videos
02:26
Conservation of Protein Domains Over Different Proteins
0 Views •
2020
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms. A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
02:08
Gene Conversion
0 Views •
2020
Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
02:08
Gene Conversion
0 Views •
2023
Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
06:45
Transmembrane Domain Oligomerization Propensity determined by ToxR Assay
0 Views •
Cited by 7 •
2011
An efficient procedure to assess the oligomerization propensity of single-pass transmembrane domains (TMDs) is described. Chimeric proteins consisting of the TMD fused to ToxR are expressed in an E. coli reporter strain. TMD-induced oligomerization causes dimerization of ToxR, activation of transcription and production of the reporter protein, -galactosidase.
01:36
Conversion of Units
0 Views •
2023
Sometimes, there is a need to convert from one unit to another one. For instance, reading a cookbook in which quantities are expressed in units of liters or ounces may require conversion of quantities to cups. Or, when looking up directions on how to get to a location, we may be interested to know how many miles we are going to walk. In this case, we would have to convert units of feet or meters to miles. The first step in the unit conversion is to list the given units and the units required...
FAQs
The Fortescue transformation uses phase relationships to express each three-phase voltage or current in terms of zero-, positive-, and negative-sequence contributions. These components are not arbitrary labels; each represents a distinct balanced-set pattern within the original coupled quantities. Separating those patterns allows engineers to examine how each sequence contributes to an unbalanced system response.
The three components differ through their defined phase relationships, allowing engineers to identify the part of a three-phase quantity associated with each sequence. This distinction matters because unbalanced conditions do not affect all components in the same way. Examining them separately clarifies whether observed system behavior is linked to zero-, positive-, or negative-sequence content.
After conversion, each sequence can be analyzed through its corresponding network rather than treating every phase interaction simultaneously. This separation reduces the complexity of calculations for conditions such as asymmetrical faults, unequal loads, and phase interruptions. Engineers can then relate the behavior of individual sequence networks to the overall response of the three-phase system.
The inverse Fortescue transformation combines the analyzed zero-, positive-, and negative-sequence quantities to reconstruct the original phase voltages or currents. This step converts results from the separated analysis back into phase-domain values, making them useful for interpreting the actual three-phase system, checking calculated responses, and assessing phase-specific operating conditions.
An engineer begins with measured or calculated three-phase voltages or currents, applies the Fortescue transformation, and obtains the zero-, positive-, and negative-sequence components. Each component is then examined through its corresponding network. Finally, the inverse transformation can reconstruct phase quantities, connecting the simplified analysis with the original electrical variables.
Sequence domain conversion is particularly useful when a three-phase network operates under unbalanced conditions, including asymmetrical faults, unequal loads, or phase interruptions. It supports fault calculations, protection-system design, equipment assessment, and reliable control studies. By isolating the sequence components involved, engineers can connect abnormal operating conditions with specific system responses.