Abstract
PV array is the power supply of PV unit. The changes in irradiance and temperature will affect the output voltage and current of PV array. As DC bus provides a coupling path between PV array and the inverter, operating conditions have a significant impact on the broadband impedance characteristics of PV unit.
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- 1.
According to the types of grid-connected inverters, PV units are mainly divided into centralized type, string type, and distributed type. This chapter takes the centralized PV unit as an example of impedance modeling and characteristic analysis. The impedance modeling and characteristic analysis of the other two types of PV units can refer to this chapter.
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© 2023 China Electric Power Press
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Wang, W., Li, G., He, G. (2023). Impedance Model and Characteristic Analysis of PV Unit. In: Analysis and Mitigation of Broadband Oscillation in Renewable Energy Generation and AC/DC Transmission Systems. Springer, Singapore. https://doi.org/10.1007/978-981-99-1568-2_8
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DOI: https://doi.org/10.1007/978-981-99-1568-2_8
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Publisher Name: Springer, Singapore
Print ISBN: 978-981-99-1567-5
Online ISBN: 978-981-99-1568-2
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