Analysis of Solar PV Application Based on Bidirectional Inverter

Abstract

Building a DC-DC converter with high step-up, low cost and high efficiency from low DC voltage is the requirement in many applications. It is achieved by employing a front end boost converter based full bridge inverter on bidirectional inverter. In conventional boost converter during device turn-off, voltage overshoot occurs across the semiconductor devices. So, an additional snubber or voltage clamping is required to limit the overshot voltage. It upturns the component’s count and losses making the converter less efficient. The above problem can be avoided by operate the converter with soft-switching method by using secondary modulation technique. Hence, it avoids the need of additional snubber or auxiliary circuit. Soft switching operation is proposed in the bidirectional inverter. Soft switching operation is achieved through the auxiliary circuit, which consist of two auxiliary switches, Front end converter and full bridge inverter. Bidirectional inverter allows current flow in both direction and therefore permits energy flow from the grid to storage when solar energy is not available. The theoretical analysis of the proposed converter is verified using simulation results.

Analysis of V2G intelligent charge and discharge structures for electric vehicles

“…Tests have shown that the vehicles tested have good performance and can be used as a benchmark for automotive models and standards. The study also found that the possibilities for the development of distributed systems, mainly including congestion management, load transfer, peak shaving, and voltage control, have found that providing reactive power with high-efficiency chargers can minimize grid losses [9]. The image of the project is shown in figure 5.…”

MAXIMIZING THE PERFORMANCE & EFFICIENCY OF A GRID-CONNECTED PV SYSTEM BY BUCK-BOOST CONVERTER USING MPPT TECHNIQUES AND ITS OPTIMIZATION USING RESPONSE SURFACE METHODOLOGY

“…The various input variables used in MATLAB to examine the simulation result of designed DC-DC buck-boost converter given in table 1. [9,10,11]. The range and levels of variables were decided according to the preliminary trials taken.…”

“…State government has been taking several steps to promote rural electrification, including the extension for grid electricity to remote and hilly areas, the promotion of off-grid and decentralized renewable energy solutions, and the installation of solar power systems in remote and off-grid areas. Overall, the rural electrification ratio in Himachal Pradesh is high, and the state government has been working to ensure that all households in the state have access to reliable and affordable electricity [7][8][9][10][11][12][13][14][15]. To achieve the desired performance from solar PV panel and bidirectional step-up DC-DC converter, new modified buck-boost DC-DC converter with L-C filter is used [16][17][18][19].…”