TY - JOUR
T1 - Spectral Analysis of Instantaneous Power in Single-phase and Three-phase Systems with Use of p-q-r Theory
AU - Kim, Hyosung
AU - Blaabjerg, Frede
AU - Bak-Jensen, Birgitte
PY - 2002
Y1 - 2002
N2 - This paper proposes a novel power compensation algorithm in three-phase four-wire systems by using p-q-r theory. The p-q-r theory is compared with two previous instantaneous power theories, p-q theory and cross-vector theory. The p-q-r theory provides two-degrees of freedom to control the system currents by only compensating the instantaneous imaginary power without using any energy storage element. The definition of powers maintains power conservation, and agrees well with the general understanding of power. Simulation results show the superiority of p-q-r theory both in definition and compensation.
AB - This paper proposes a novel power compensation algorithm in three-phase four-wire systems by using p-q-r theory. The p-q-r theory is compared with two previous instantaneous power theories, p-q theory and cross-vector theory. The p-q-r theory provides two-degrees of freedom to control the system currents by only compensating the instantaneous imaginary power without using any energy storage element. The definition of powers maintains power conservation, and agrees well with the general understanding of power. Simulation results show the superiority of p-q-r theory both in definition and compensation.
U2 - 10.1109/TPEL.2002.802188
DO - 10.1109/TPEL.2002.802188
M3 - Journal article
SN - 0885-8993
VL - 17
SP - 711
EP - 720
JO - IEEE Transactions on Power Electronics
JF - IEEE Transactions on Power Electronics
IS - 5
ER -