Design Method for EMI Filters Connected to Both dc and ac ports of a Residential‐Use Photovoltaic Power Conditioner (English)

In: Electrical engineering in Japan   ;  197 ,  2  ;  2016
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Electro‐magnetic interface (EMI) noise radiated from the dc cable of photovoltaic power conditioner systems (PCSs) is a serious problem for radio transmission equipment. In order to prevent the interference, the International Special Committee on Radio Interface (CISPR) is discussing to determine a noise regulation value for this issue. To reduce the radiated noise, this paper studies the attenuation characteristics of EMI filters that are connected to both the dc and the ac sides of the PCS. In this paper, it is pointed out that the EMI filters do not show their own attenuation characteristics if those are connected to the PCS. In particular, when EMI filters are connected to both the dc and the ac sides of the PCS, a specific series resonant frequency is observed and deteriorates the attenuation characteristics of both EMI filters. In order to prevent this problem, a design method for EMI filters which can reduce the common‐mode EMI noise effectively, is proposed in this paper. Further, the effectiveness of the proposed method is confirmed through experiments.

Table of contents – Volume 197, Issue 2

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1
Issue Information
| 2016
3
A Study on Cooperative Voltage and Frequency Control Method Using Distributed Generations Considering Large Penetration of Renewable Energy Sources
SHIOHARA, YUSUKE / TSUJI, TAKAO / OYAMA, TSUTOMU / SHINJI, TAKAO / TADOKORO, MASAYUKI | 2016
13
Fast Electromagnetic Transient Simulations of Power Systems Utilizing Single‐Phase Phasor‐Based Modeling of Remote Systems
NODA, TAKU / SAKAMOTO, ORIE / YONEZAWA, RIKIDO | 2016
23
Development of Reference Shunt for Short‐Time Alternating High Current Tests and Study of Measuring System
KIDA, JUNZO / NAKAJIMA, MASATOSHI / GODA, YUTAKA / KIKUCHI, KUNIO / KUDO, KIETSU / ISHII, HIROMI / MATSUI, YOSHIHIKO / MATSUMURA, TOSHIRO / KAWAMURA, TATSUO | 2016
33
Plasma Behavior in a High‐Temperature Noble Gas Plasma Disk‐Shaped MHD Power Generator
TANAKA, MANABU / OKUNO, YOSHIHIRO | 2016
41
Levitation Caused by the Vertical Vibration of a Piezoelectric Actuator
SONE, SHORI / TORII, AKIHIRO / MOTOTANI, SUGURU / DOKI, KAE | 2016
48
Impact of DC 48 V on Automotive Power Supply Systems: Comparison with DC 42 V and Future View under DC 60 V
TERATANI, TATSUO | 2016
56
Design Method for EMI Filters Connected to Both dc and ac ports of a Residential‐Use Photovoltaic Power Conditioner
OMATA, SHINPEI / SHIMIZU, TOSHIHISA | 2016