Suppression of Common-Mode Voltage in a Multi-Central Large-Scale PV Generation Systems for Medium-Voltage Grid Connection
نویسندگان
چکیده
منابع مشابه
Performance Improvement of Single-Phase Transformerless Grid-Connected PV Inverters Regarding Common-Mode Voltage (CMV) and LVRT
The single-phase transformerless grid-connected photovoltaic (PV) systems, mainly the low-power single-phase systems, require high efficiency, small size, lightweight, and low-cost grid-connected inverters. However, problems such as leakage current, the DC current injection and safety issues are incorporated with transformerless grid-connected PV inverters. Besides, the new standards such as Lo...
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In Pulse Width Modulation (PWM) Inverters, the peaks of output Common Mode Voltage (CMV) are very high due to the instantaneous imbalance of 3Phase Voltages. The CMV will produce a huge pulsating Common Mode Current (CMC) through the distributed capacitance of the system and will cause the high shaft voltage leads to damage of the motor bearing. The CMC could interfere with the adjacent devices...
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ژورنال
عنوان ژورنال: The Transactions of the Korean Institute of Power Electronics
سال: 2014
ISSN: 1229-2214
DOI: 10.6113/tkpe.2014.19.1.31