A Control Method of HVDC-Modular Multilevel Converter Based on Arm Current Under the Unbalanced Voltage Condition

Moon, Ji-Woo; Park, Jung‐Woo; Kang, Daeseok; Kim, Jang-Mok

doi:10.1109/tpwrd.2014.2342229

Cited by 104 publications

(53 citation statements)

References 15 publications

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“…(2,4,6), and reactive power flowing from the i th bus to other buses in the AC system given by Eqs. (3,5,7), respectively.…”

Section: The Illustration Of the Sequential Ac Power Flow Algorithmmentioning

confidence: 99%

A new sequential power flow algorithm for AC/DC systems including independent multiterminal DC subsystems

Yalçın¹,

Arifoğlu²

2017

Turk J Elec Eng & Comp Sci

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“…(2,4,6), and reactive power flowing from the i th bus to other buses in the AC system given by Eqs. (3,5,7), respectively.…”

Section: The Illustration Of the Sequential Ac Power Flow Algorithmmentioning

confidence: 99%

A new sequential power flow algorithm for AC/DC systems including independent multiterminal DC subsystems

Yalçın¹,

Arifoğlu²

2017

Turk J Elec Eng & Comp Sci

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“…The published literature mainly relates to their applications to high-voltage DC (HVDC) transmission [16][17][18], MV electric drives [19][20][21], and STATCOMs [22,23]. MMCs used in BESSs for interfacing low-or medium-voltage batteries to mediumor high-voltage grids were reported in [24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Reverse-blocking modular multilevel converter for battery energy storage systems

Yang

Xue

Chen

et al. 2017

J. Mod. Power Syst. Clean Energy

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Energy storage systems with multilevel converters play an important role in modern electric power systems with large-scale renewable energy integration. This paper proposes a reverse-blocking modular multilevel converter for a battery energy storage system (RB-MMC-BESS). Besides integrating distributed low-voltage batteries to medium or high voltage grids, with the inherited advantages of traditional MMCs, the RB-MMC-BESS also provides improved DC fault handling capability. This paper analyzes such a new converter configuration and its operating principles. Control algorithms are developed for AC side power control and the balancing of battery state of charge. The blocking mechanism to manage a DC pole-topole fault analyzed in depth. Comprehensive simulation results validate both the feasibility of the RB-MMC-BESS topology and the effectiveness of the control and fault handling strategies.

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“…The following measures were so far proposed for this purpose. To install a DC chopper on DC side of DSCC so as to control power flow . To provide chopper cells with large capacitors working as energy buffers . To increase three‐phase AC current in a grid where voltage sag occurs, thus maintaining constant power flow control . To use direct communication between DSCC units so that voltage sag information is shared for the purpose of DSCC control . …”

Section: Introductionmentioning

confidence: 99%

“…3. To increase three-phase AC current in a grid where voltage sag occurs, thus maintaining constant power flow control [10,11]. 4.…”

Section: Introductionmentioning

confidence: 99%

Low‐Voltage‐Ride‐Through Performance of an HVDC Transmission System Using Two Modular Multilevel Double‐Star Chopper‐Cells Converters

Oguma¹,

Akagi²

2017

Electrical Engineering Japan

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SUMMARY This paper presents an intensive discussion on a long‐distance high‐voltage direct‐current (HVDC) transmission system that combines two modular multilevel cascade converters based on double‐star chopper cells (MMCC‐DSCC) with DC power cables. Hereinafter, a single MMCC‐DSCC is referred to as a DSCC converter or just as a DSCC for the sake of simplicity. The HVDC transmission system is required to provide low‐voltage‐ride‐through (LVRT) capability to enhance transmission system availability. This paper proposes a new LVRT method without any direct information exchange between the two DSCC converters. The validity of the method is verified, using simulated waveforms from the software package of “PSCAD/EMTDC” and experimental waveforms from a three‐phase 200‐V, 400‐Vdc, 10‐kW, 50‐Hz downscaled HVDC system with a set of 300‐meter‐long DC power cables.

show abstract

A Control Method of HVDC-Modular Multilevel Converter Based on Arm Current Under the Unbalanced Voltage Condition

Cited by 104 publications

References 15 publications

A new sequential power flow algorithm for AC/DC systems including independent multiterminal DC subsystems

A new sequential power flow algorithm for AC/DC systems including independent multiterminal DC subsystems

Reverse-blocking modular multilevel converter for battery energy storage systems

Low‐Voltage‐Ride‐Through Performance of an HVDC Transmission System Using Two Modular Multilevel Double‐Star Chopper‐Cells Converters

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