@article{Wang:2016:10.1109/TPWRD.2016.2602888,
author = {Wang, B and Wang, X and Bei, Z and Judge, P and Wang, X and Green, TC},
doi = {10.1109/TPWRD.2016.2602888},
journal = {IEEE Transactions on Power Delivery},
pages = {1535--1544},
title = {Reliability model of MMC considering periodic preventive maintenance},
url = {http://dx.doi.org/10.1109/TPWRD.2016.2602888},
volume = {32},
year = {2016}
}

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TY  - JOUR
AB  - Abstract:Periodic preventive maintenance (PPM) is a significant measure to ensure reliable operation of the modular multilevel converter (MMC), but to date has always been neglected in the reliability evaluation. A mathematical reliability model of MMC considering PPM is proposed in this paper. The model is derived rigorously by the reliability function and finally described by the indices equivalent failure rate and the forced outage rate. Two operation modes related to redundant submodules are considered and described by the standby model and k-out-of-n model, respectively. Employing this model, we can analyze the sensitivity of reliability to redundancy and maintenance interval and provide some reliability indices for planning, which is especially valuable for the offshore cases. The necessity of the considered PPM and the effectiveness of the proposed model are verified by case studies. A method to include PPM in reliability modeling is provided.
AU  - Wang,B
AU  - Wang,X
AU  - Bei,Z
AU  - Judge,P
AU  - Wang,X
AU  - Green,TC
DO  - 10.1109/TPWRD.2016.2602888
EP  - 1544
PY  - 2016///
SN  - 0885-8977
SP  - 1535
TI  - Reliability model of MMC considering periodic preventive maintenance
T2  - IEEE Transactions on Power Delivery
UR  - http://dx.doi.org/10.1109/TPWRD.2016.2602888
UR  - http://hdl.handle.net/10044/1/38991
VL  - 32
ER  - 

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