Microstrip branch-line coupler with optimized spurious suppression based on cascaded PI-type equivalent transmission lines

Lin, Shih-Cheng; Yeh, Chong-You

doi:10.1109/iwem.2014.6963703

Cited by 2 publications

(1 citation statement)

References 6 publications

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“…An approximate model of a distributed parameter line is obtained by cascading several identical pi-sections [20], as shown in Fig. 2.…”

Section: A Pi-section Linementioning

confidence: 99%

A Decentralized Optimal Load Current Sharing Method for Power Line Loss Minimization in MT-HVDC Systems

Liu¹,

Song²,

Li³

et al. 2016

Journal of Power Electronics

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This paper discusses the elimination of DC voltage deviation and the enhancement of load current sharing accuracy in multi-terminal high voltage direct current (MT-HVDC) systems. In order to minimize the power line losses in different parallel network topologies and to insure the stable operation of systems, a decentralized control method based on a modified droop control is presented in this paper. Averaging the DC output voltage and averaging the output current of two neighboring converters are employed to reduce the congestion of the communication network in a control system, and the decentralized control method is implemented. By minimizing the power loss of the cable, the optimal load current sharing proportion is derived in order to achieve rational current sharing among different converters. The validity of the proposed method using a low bandwidth communication (LBC) network for different topologies is verified. The influence of the parameters of the power cable on the control system stability is analyzed in detail. Finally, transient response simulations and experiments are performed to demonstrate the feasibility of the proposed control strategy for a MT-HVDC system.

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“…An approximate model of a distributed parameter line is obtained by cascading several identical pi-sections [20], as shown in Fig. 2.…”

Section: A Pi-section Linementioning

confidence: 99%

A Decentralized Optimal Load Current Sharing Method for Power Line Loss Minimization in MT-HVDC Systems

Liu¹,

Song²,

Li³

et al. 2016

Journal of Power Electronics

View full text Add to dashboard Cite

show abstract

Decentralized Current Sharing Accuracy for Multi-terminal High Voltage DC System Based on Droop Control

Liu

Wang

et al. 2016

Electric Power Components and Systems

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Microstrip branch-line coupler with optimized spurious suppression based on cascaded PI-type equivalent transmission lines

Cited by 2 publications

References 6 publications

A Decentralized Optimal Load Current Sharing Method for Power Line Loss Minimization in MT-HVDC Systems

A Decentralized Optimal Load Current Sharing Method for Power Line Loss Minimization in MT-HVDC Systems

Decentralized Current Sharing Accuracy for Multi-terminal High Voltage DC System Based on Droop Control

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