Energy optimization and cost management in multi-storied green complexes
01 Dec 2016-pp 1-6
TL;DR: In this article, a commercial multi-storied buildings are designed for them to respond to the grid availability without affecting the working and life-style of people in the building to a significant extent.
Abstract: As India tries to add significant renewables to its coal-dominated energy mix, the problem of intermittent generation associated with renewables, is likely to be a problem Even though battery prices have been falling rapidly, any serious grid-level storage will push up the price of electricity beyond the affordability limit for a large section of Indian people The answer is in developing techniques, practices and policies, which enables the consumers to carry out load-management in response to grid-power availability If grid-power is surplus, the customer uses grid to the maximal extent, but when grid-power is in deficit, it uses it to minimal extent This paper focuses on commercial multi-storied buildings and discusses how power-systems can be designed for them to respond to the grid-availability without affecting the working and life-style of people in the building to a significant extent It proposes use of roof-top solar and DC power-line within buildings along with DC-powered appliances to significantly save energy It incorporates battery-storage and chilled-water storage, which coupled with use of DC motors or variable frequency drives, can help building cut its load to almost 50% or even less during grid-power shortage and draw power more than its load during surplus situation The paper goes beyond the concept and discusses actual implementation being carried out today It also discusses policies which will accelerate deployment of such designs benefiting both the customer as well as the grid-supply
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01 Dec 2018
TL;DR: In the present work, to reinforce the green building concept at the university level, the efforts are put behind the lighting scheme and solar energy conservation, a scientific approach has been employed to increase visual and operative value.
Abstract: Development of green building has a crucial role to play to reduce the energy consumption and make efficient use of materials and energy across the globe. The advances in sustainable development benefit society, environment, and economy by conserving and restoring energy sources. In the present work, to reinforce the green building concept at the university level, the efforts are put behind the lighting scheme and solar energy conservation. In order to design an efficient lighting scheme, a scientific approach has been employed to increase visual and operative value. Harnessing solar energy on the other side, is also addressed with a view to reducing the consumption of conventional electrical energy. It focuses on the optimum design of the solar photovoltaic system for running electrical appliances. Particularly, the attention has also been paid to the technical specifications of the battery bank. At the later stage of the work, an illumination and an energy audit have been conducted for the proposed designs in terms of energy conservation, design, and implementation, cost-effective solutions, and savings in carbon emissions.
2 citations
Cites background from "Energy optimization and cost manage..."
...Additionally, the application of solar energy is penetrating in various sectors to energize DC load by employing a variety of methods [12-14]....
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References
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TL;DR: A recent study conducted by the Council for Energy, Environment, and Water (CEEW) across six states (Bihar, Jharkhand, Madhya Pradesh, Uttar Pradesh, West Bengal, and Odisha) found that about 50% of the households had no electricity despite having a grid connection as discussed by the authors.
Abstract: It is well established that access to energy is closely linked with socioeconomic development. India houses the largest share of the world's population deprived of electricity with about 237 million people lacking access (International Energy Agency). At the same time, in India, many households that do have access to electricity lack an uninterrupted and quality power supply. A recent study conducted by the Council for Energy, Environment, and Water (CEEW) across six states (Bihar, Jharkhand, Madhya Pradesh, Uttar Pradesh, West Bengal, and Odisha), found that about 50% of the households had no electricity despite having a grid connection. This indicates that there is an immediate need to address the quality, affordability, and reliability of the power supply in addition to extending the grid footprint.
84 citations
"Energy optimization and cost manage..." refers background in this paper
...Now all Electronics and energy-efficient LED lighting use only DC power [2]....
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07 Jun 2015
TL;DR: In this article, an efficient and affordable solar DC solution for powering off-grid homes is presented. But, the proposed solution is not suitable for the use of the generated PV power efficiently.
Abstract: India is a power deficit country and one third of its homes are off grid or near off grid. This paper presents an efficient and affordable Solar DC solution for powering such homes. Though several solutions have emerged in the past for powering these homes, those have been expensive and energy inefficient. These solutions rely on several DC to AC and AC to DC conversions, to feed the widely used AC home loads, thus, wasting a large chunk of the expensive power. The proposed Solar DC solution for off-grid homes (OGH) is developed to use the generated PV power efficiently. With this solution, the panel and battery size is reduced by 2 to 2.5 times and the cost to power a house is reduced to nearly half the cost of the existing solutions. The paper also presents a techno-economic comparison between the proposed OGH solution with some existing solar systems.
43 citations
"Energy optimization and cost manage..." refers background in this paper
...48V DC could be ideal to power such appliances and is already being used in small homes [3] in India....
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Journal Article•
TL;DR: In this article, a vision of having 50% of electrical power from renewable technologies by 2030 is being put forward, but the focus is primarily on centralized power generation from solar photovoltaics (PV).
Abstract: Over the last few years, India has focused considerably on solar power. A vision of having 50% of electrical power from renewable technologies by 2030 is being put forward. But the focus is primarily on centralized power generation from solar photovoltaics (PV). There is talk about decentralized rooftop solar PV deployments. However, they are all subsidy-driven and so far have failed to make significant inroads into homes. To understand the reasons, let us take up a tangential issue first.
6 citations
"Energy optimization and cost manage..." refers background in this paper
...The availability to vary electrical loads based on power-availability is referred to as demand-dispatch [4]....
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01 Dec 2018
TL;DR: In the present work, to reinforce the green building concept at the university level, the efforts are put behind the lighting scheme and solar energy conservation, a scientific approach has been employed to increase visual and operative value.
Abstract: Development of green building has a crucial role to play to reduce the energy consumption and make efficient use of materials and energy across the globe. The advances in sustainable development benefit society, environment, and economy by conserving and restoring energy sources. In the present work, to reinforce the green building concept at the university level, the efforts are put behind the lighting scheme and solar energy conservation. In order to design an efficient lighting scheme, a scientific approach has been employed to increase visual and operative value. Harnessing solar energy on the other side, is also addressed with a view to reducing the consumption of conventional electrical energy. It focuses on the optimum design of the solar photovoltaic system for running electrical appliances. Particularly, the attention has also been paid to the technical specifications of the battery bank. At the later stage of the work, an illumination and an energy audit have been conducted for the proposed designs in terms of energy conservation, design, and implementation, cost-effective solutions, and savings in carbon emissions.
2 citations