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The paper studies the problems on centralized normalization of harmonic voltages in the network with distributed nonlinear loads by the passive filters. The nonlinear loads are connected to the extended HV network at practically equal distances. Each nonlinear load is of sufficiently high power. The harmonic voltage values at the nodes of nonlinear loads connection to the supply network exceed the...
The harmonic content of the short circuit current during single-phase to earth fault is discussed in networks with compensated neutrals. An overview of different methods to decrease the harmonics in the fault current is given. The zero sequence active filtering method is analyzed in detail using computer simulations. Two compensation algorithms are compared based on their efficiency when operation...
The problem of reactive power and harmonics in the medium voltage level of a power distribution system is considered in this paper. Reconfiguration of the power delivery network imposes new constraints in a distribution substation so that the reactive compensation should be increased. The alternative of a shunt hybrid active filter connected to the 13.8-kV level to enhance the power quality is analyzed...
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