A Voltage Regulator for Power Quality Improvement in Low-Voltage Distribution Grids

2018 ◽  
Vol 33 (3) ◽  
pp. 2050-2060 ◽  
Author(s):  
Rubens Tadeu Hock ◽  
Yales Romulo de Novaes ◽  
Alessandro Luiz Batschauer

A tale delicate exchanging interleaved coupled-inductor help converter is proposed in this paper. Just a solitary dynamic delicate exchanging module is expected to at the same time accomplish the delicate exchanging property of the two switches in the interleaved coupled-inductor support converter. The better proficiency is accomplished with the less segments and cost. The two primary switches can accomplish the ZVT turn-on and littler current mood killer at the same time when the single dynamic delicate exchanging module is dynamic. Because of the coupling normal for the inductors, the voltages over the two inductors are changed simultaneously; in this manner, the comparable circuit is equivalent to the parasitic capacitors of the two primary switches in parallel to resound with the helper inductor. By coupling two info inductors, the volume and cost of the circuit can be diminished. The interleaved coupled-inductor topology can likewise decrease the info and yield current swells and offer the information and yield flows. The working modes, investigation, and structure of the proposed circuit have been talked about in this paper. Reproduction and tests are at last led to check the legitimacy of the proposed circuit. [19],[20],[21]


Author(s):  
Giovanni De Carne ◽  
Xiang Gao ◽  
Zhixiang Zou ◽  
Marco Liserre ◽  
Ali Kazerooni ◽  
...  

2015 ◽  
Vol 8 (10) ◽  
pp. 1902-1911 ◽  
Author(s):  
Subashini Nallusamy ◽  
Dharmalingam Velayutham ◽  
Uma Govindarajan ◽  
Deivasundari Parvathyshankar

Author(s):  
Oluwafunso Oluwole Osaloni ◽  
Akshay Kumar Saha

The main purpose of this work is to introduced power quality improvement in low voltage distribution networks with the application of Improved Unified Power Quality Conditioner (I-UPQC). Ordinarily, in the normal UPQC, the series inverter handles active injection while the shunt inverter provides load imaginary power injection. However, in the case of I-UPQC, the series inverter of the UPQC performs two functions concurrently as a sag and swell compensator and assists the shunt inverter in load reactive power requirements. The reactive power sharing is achieved by the integration of the Power Angle Control (PAC) of UPQC to coordinate imaginary power-sharing between the two inverters. With the view that the series inverter produces active and reactive power, this concept is named I-UPQC. Full mathematical analysis to extend the PAC method to I-UPQC has been carried out in this work. The simulation and results produced in the MATLAB / SIMULINK environment and discussion to support the developed concept are also presented. The result from the proposed concept is confirmed by comparing the concept with operation unified power quality conditioner in steady-state.


2021 ◽  
Author(s):  
Jone Ugarte Valdivielso ◽  
Abel Thomas ◽  
Jayakrishnan Radhakrishnan Pillai ◽  
Sanjay K Chaudhary

Sign in / Sign up

Export Citation Format

Share Document