NDLI: Minimum Energy and Capacitance Requirements for Single-Phase Inverters and Rectifiers Using a Ripple Port

Content Provider	IEEE Xplore Digital Library
Author	Krein, P.T. Balog, R.S. Mirjafari, M.
Copyright Year	1986
Abstract	Converters with a dc port and a single-phase ac port must store energy to buffer the inherent double-frequency power flow at the ac port. The minimum energy storage required to isolate the power ripple from the dc port is presented, and leads to the minimum capacitance required for converters that use capacitive energy storage. This paper presents a ripple power port to manage energy storage and decouple capacitor ripple from power ripple. A ripple power port allows the designer to make a choice of capacitor voltage independent of other system voltages. A combination of an ac link converter and a ripple power port leads to a dramatic increase in reliability: it is shown that converters with nominal ratings up to 200 W can be designed with expected mean-time-between-failure ratings on the order of 1.4 × 10⁶ h-sufficient for hundred-year operation in long-life applications such as photovoltaic converters and LED lamps. This large increase in life is achieved with minimal extra cost.
Sponsorship	IEEE Power Electronics Society
Starting Page	4690
Ending Page	4698
Page Count	9
File Size	1004664
File Format	PDF
ISSN	08858993
Volume Number	27
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Capacitors Capacitance Load flow Inverters Energy storage Active filters Passive filters solid-state lighting ac–dc power converters inverters photovoltaic power generation power conditioning power converter reliability rectifiers single-phase converters
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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