APPARATUS, METHODS AND SYSTEMS FOR PARALLEL POWER FLOW CALCULATION AND POWER SYSTEM SIMULATION

摘要

According to one aspect, an apparatus for computing a solution to a power flow problem for an electrical power system comprising a plurality of buses. The apparatus includes (a) at least one processor comprising a plurality of cores; and (b) memory coupled to the at least one processor for storing an admittance matrix for the power system, real power and reactive power for each bus, and an initial complex voltage for each bus; (c) wherein the at least one processor is configured to: (i) perform a Jacobi power flow calculation for each bus to determine the complex voltage for each bus, the Jacobi power flow calculation using the admittance matrix, the real power and reactive power for each bus, and the initial complex voltage for each bus as inputs, wherein at least two Jacobi power flow calculations are performed concurrently on the plurality of cores; (ii) calculate a power mismatch at each bus based on the complex voltages; and (iii) determine whether the Jacobi power flow calculations have converged based on the power mismatch and repeat (i) to (iii) if the Jacobi power flow calculations have not converged.

主权项

1. A method for computing a solution to a power flow problem for an electrical power system comprising a plurality of buses, the method comprising:
(a) providing an admittance matrix for the power system; (b) initializing real and reactive power for each bus; (c) initializing complex voltages for each bus; (d) performing a Jacobi power flow calculation for each bus to determine the complex voltage for each bus, the Jacobi power flow calculation using the admittance matrix, real and reactive power for the plurality of buses, and initial complex voltages for the plurality of buses as inputs, wherein at least two Jacobi power flow calculations are performed concurrently on a plurality of parallel processors; (e) determining a power mismatch at each bus based on the complex voltage for each bus; (f) determining whether the Jacobi power flow calculations have converged based on the power mismatches; and (g) if the Jacobi Raw power flow calculations have not converged, repeating steps (d) to (g).