Unsymmetrical (unbalanced): One or more phases are impacted, making fault current calculations more difficult. Before a fault current calculation can be performed, all of the possible sources of current must be identified. There are four possible sources of short-circuit fault current: On-site elec...
Nouri. A new iterative method for fault currents calculation which models arc resistance at the fault location[J].Electrical engineering 2006,2(2).Terzija, V.V., Ciric, R.M., Nouri, H.: `A new iterative method for fault current calculation which models arc resistance at the fault location...
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The calculated fault current based on the proposed methods are compared with the simulation results from PSCAD/EMTDC to verify that the results from analytic formula are accurate.Keywords:: arm overcurrent calculation,聽DC-link pole-to-pole short-circuit characteristics,聽MMC-HVDC,聽regulation ...
hecalculationoftransientshortcircuitcurrentneedsrootextractionofhigherorderproper e uationwhen -networksor"-networksareusedtoreplacedistanttransmissionlines.AZ! iteration methodoncomplexplaneisintroducedfortherootextractionofhigherorderpropere uation , theini- tialiterativevaluedoesnotinfluencetheconvergence. hetest...
Calculation formula: float rate = (current value - previous period value) / previous period value 6) Hour-day chain ratio : Take the sum of the data values from the current time to the previous hour and the sum of the data values in the previous hour at the same time yesterday to make...
6.Study on the Parameter Asymmetry Power System Fault Calculation and Its Application;参数不对称电网故障计算方法及其应用研究 7.Influences of Reactance-Type Fault Current Limiter on Power System Transient Stability With Asymmetrical Short-Circuit Faults不对称短路时电抗型故障限流器对暂态稳定性的影响 ...
The Capacitor block lets you model linear, nonlinear (table-based), and frequency-dependent capacitors, including polar capacitors.
is the eigenvalue calculation function of a square matrix. eig (AT × A) represents the eigenvector [λ1,…, λi,…]T of matrix A.λi represents the ith eigenvalue. In this research, the length of the data acquisition time window is set to 10 ms. A fault is considered to ...
Provided is a digital fault-location calculation system which comprises first means for obtaining data including voltage and current information of a power transmission system subjected to fault-location calculation, a computer, and second means coupled between the first means and the computer for transf...