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Sideband Harmonic-Based Talkative Power Conversion
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DOI：10.1109/TPEL.2024.3415425.png)
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摘要
En 中文
Talkative power conversion (TPC) is a promising solution to modern power system communication due to its advanced features of reduced communication infrastructure and low volume. However, the majority of TPC in three-phase inverters is realized by superimposing the frequency-hopping sinusoidal reference signals, which adversely affects the power quality and stability from the perspective of the power system. In view of this, this article proposed a sideband harmonic-based TPC scheme for three-phase inverters without extra harmonics injection. In the proposed scheme, the signal is modulated into the carrier-based pulsewidth modulation by binary phase-shift keying modulation and is transmitted over power lines via sideband harmonics. Sideband harmonics with different carrier phases are analyzed by double Fourier series (DFS) and modeled under dq frame for efficient demodulation. The proposed strategy takes advantage of the existing sideband harmonics to achieve TPC in three-phase inverters, which avoids introducing extra harmonics and has less impact on the power quality. As a result, the given solution not only reduces system costs and volume but also realizes a power quality-friendly signal transmission. Finally, the feasibility of the proposed TPC method is verified by the experimental platform.
Keyword:
Harmonic analysis
Power system harmonics
Amplitude modulation
Inverters
Power system stability
Pulse width modulation
Power systems
AC power systems
carrier-based pulsewidth modulation (CBPWM)
sideband harmonics
talkative power conversion (TPC)
three-phase inverters
期刊
IF:
6.5
论文数:
1.7W
被引数:
8.3W
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