Electric field analysis for a static induction type of voltage sensor in three-phase power distribution systems

1998 ◽  
Vol 145 (4) ◽  
pp. 437 ◽  
Author(s):  
H. Shimada ◽  
T. Furukawa ◽  
M. Ohchi
Energies ◽  
2019 ◽  
Vol 12 (24) ◽  
pp. 4705 ◽  
Author(s):  
Wei-Neng Chang ◽  
Ching-Huan Liao

This paper proposes a newly developed single-delta bridge-cell, modular multilevel cascade converter (SDBC-MMCC)-based distribution-level static synchronous compensator (DSTATCOM) for single-phase load compensation in three-phase, three-wire electric power distribution systems. Each main circuit arm of the DSTATCOM uses a modular multilevel cascade converter based on full-H-bridge (FHB) cells. The three main DSTATCOM arms are delta-connected to allow phase-independent operations for phase balancing and unity power factor correction of the single-phase load in three-phase, three-wire electric power distribution systems. By using the symmetrical components method, a feedforward compensation algorithm was employed for the DSTATCOM. A simulation of the DSTATCOM was performed for functioning verification. Finally, a hardware test system was built by using a multi-DSP-based control system. The test results verified the effectiveness of the proposed SDBC-MMCC-based DSTATCOM in single-phase load compensation.


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