Application of concave induction cooking to improve the texture and flavor of braised pork

Long-term cooking may reduce the eating and nutritional quality attributes of meat products due to excessive oxidation. This study aimed to investigate the feasibility of concave induction to improve the quality of braised pork belly. Pork belly cubes were subjected to concave induction cooking (2000 W) or plane induction cooking (2000 W, traditional) for 60 min, 90 min, 120 min or 150 min. Then texture, fatty acid profile, lipid and protein oxidation, volatile flavor and sensory test in braised meat were evaluated. Compared with traditional method, concave induction cooking showed higher heating performance with shorter time to achieve a setting temperature. Compared with traditional cooking for 150 min, concave induction cooking for 60 min did not only produce a comparable volatile flavor and sensory scores, but also give better quality attributes, including lower hardness, chewiness, thrombogenicity values, PUFA/SFA value, lipid and protein oxidation. E‑nose results showed that samples cooked by concave induction for 60 min and 90 min showed a great similarity to those cooked by plane induction for 150 min. Concave induction cooking for 60 min also showed advantages to retain higher abundances of other volatile compounds including 2-pentylfuran, (E, E)-3,5-octadien‑2- one, 2, 3-octanedione, 2-decahydro‑1,6- dimethylnaphthalene when compared with plane induction cooking for 150 min.

Techno-Economic Analysis of Solar e-Cooking Systems for Rural Communities in Nigeria

This paper presents solar PV electric cooking systems to fill the gap of clean energy stove demand in Africa and in particular in rural communities. The design analyses of four different solar PV electric cooking configurations, based on resistive burner and induction burner, are presented. The levelised cost of energy (LCOE) of the solar PV induction e-cooking, with battery storage, is 0.39 $/kWh. Sensitivity analysis was done to ascertain the affordability range of solar PV e-cooking. It was shown that the combination of the reduced cost of investment and good sunshine would most likely make the solar PV induction e-cooking competitive. However, the acceptability of the solar PV induction cooking will require addressing some important technical, economic, policy and socio-cultural related barriers.

Scenario analysis for energy banking between Nepal & India from Nepali perspective

Government of Nepal has agreed with India on energy banking with aim to enhance the energy security of respective national grids. The general concept of this banking is that the surplus energy available in Nepal during the wet months is absorbed by the power system of India and Nepal will retrieve the much needed banked energy during dry months. However, major challenge to quantify the energy being transacted and bring this into feat is, the hydro generation projects being not completed in scheduled time and uncertainties in the domestic consumption. Even the authentic reports from different governmental agencies contradict each other in estimating future internal electrical energy consumption pattern. The lack of rigid national grid‐supply is a key constraint to enhance the domestic demand and seems to be the crucial factor for import/export location & respective line power flow selection. This paper illustrates the prospective scenario analysis for monthly surplus – deficit energy during the period of fiscal year 2077/78 BS to 2084/85 BS from Nepalese prospective. The scenarios viz. commissioning of upcoming generating projects in accordance to Power Purchase Agreement (PPA) concluded date as well as with trending delays are taken into account. The consumption sector with normal energy growth and with intervention like heavy penetration of electric vehicle and electric induction cooking, are considered during the analysis. The modeling of planned INPS and simulation is performed in ETAP. The cross – border transmission line flows and avenues as well as operating behavior of planned INPS are also analyzed.

Efficient cooking program in times of COVID-19 in the province of Cotopaxi: energy demand

The purpose of this research is to analyze the monthly energy consumption by the users of the PEC program (Energy Efficiency Program for induction cooking and electric water heating) of ELEPCO SA (Empresa Eléctrica Provincial Cotopaxi Sociedad Anónima) before and after the curfew measures dictated by the national “COE” (Emergency Operations Center) in response to the global pandemic caused by COVID-19 disease. Carried out by taking into account four strata distributed according the energy consumption levels, its variance in relation to the year 2019 and applying the linear regression method to estimate the average monthly demand in relation to the curfew time, resulting in that the rate The increase in the period April-May 2019 versus April-May 2020 is 5.17% and analyzing only stratum B in the period March-July 2019 in relation to March-July 2020 is 8.02%, estimating that for the month of August 2020 the will have an average monthly consumption of 215,441 KWh in stratum A

Application of Solid-State Transformers in a Novel Architecture of Hybrid AC/DC House Power Systems

The ongoing diffusion of solid-state DC/DC converters makes possible a partial migration of electric power systems from the present AC paradigm to a future DC scenario. In addition, the power demand in the domestic environment is expected to grow considerably, for example, due to the progressive diffusion of electric vehicles, induction cooking and heat pumps. To face this evolution, the paper introduces a novel electric topology for a hybrid AC/DC smart house, based on the solid-state transformer technology. The electric scheme, voltage levels and converters types are thoroughly discussed to better integrate the spread of electric appliances, which are frequently based on internal DC buses, within the present AC distribution networks. Voltage levels are determined to guarantee high safety zones with negligible electric risk in the most exposed areas of the house. At the same time, the developed control schemes assure high power quality (voltage stability in the case of both load variations and network perturbations), manage power flows and local resources according to ancillary services requirements and increase the domestic network overall efficiency. Dynamic simulations are performed, making use of DIgSILENT PowerFactory software, to demonstrate the feasibility of the proposed distribution scheme for next-generation smart houses under different operating conditions.