J. C. Peng et al.
The range and standard deviatio n of liabilities for harmonic pollution by the c urrent-based meth od are the big-
gest of all. Those by the voltage-based method are the smallest of all. The two methods go to opposite extremes
and are unreasonable. The newly proposed two methods, which respectively based on line-transferred active
power compo nent and line-transferred complex power component, take all factors into account (complete) and
give reasonable levels of liabilities for harmoni c p o ll ution.
However, the met hod based on line-transferred complex power component needs projection of the co mplex
power component, thus ine xp lic it in physical meaning. As a result , the liab ili t y divisio n metho d for har monic
pollution based on line-transferred active power compone nts is not only complete and explicit but also reasona-
ble, and it is worth of recommendation.
This work is supported by National Natural Science Foundation of China under grant 51177102.
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