Cooperative Distributed Control Implementation of the Power Flow Coloring Over a Nano-Grid With Fluctuating Power Loads

Javaid, Saher; Kurose, Yuhei; Kato, T.; Matsuyama, Takashi

doi:10.1109/tsg.2015.2509002

Cited by 29 publications

(14 citation statements)

References 26 publications

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“…In [23,24], the concept of the Power Flow Coloring is presented, which attaches the unique ID to each connection between a power source and a load. The concept of the power flow coloring is implemented using real physical devices to show that how power fluctuations are managed with the cooperation of controllable power devices.…”

Section: Incomplete Graph and Its Advantagesmentioning

confidence: 99%

“…To achieve this power balance, cooperation with controllable power sources and loads and their cooperative control seem to be a promising technology [23][24][25]. The cooperative control of controllable power devices can accommodate power fluctuations caused by fluctuating generators and loads.…”

Section: Introductionmentioning

confidence: 99%

“…Based on the extreme control-ability of smart power devices, the quantity and direction of power stream at each power source and load can be exactly controlled by the power user, which provides the technical foundation for the realization of the sophisticated power flow control. The concept of Power Flow Coloring proposed in [23,24] can be one example of information-technology-supported power flow control. In this concept, individual power flow between a pair of power source and load can be managed with a unique identification attached to each power flow, which enables us to manage versatile power flow patterns between distributed power sources and loads.…”

Section: Introductionmentioning

confidence: 99%

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Structural Condition for Controllable Power Flow System Containing Controllable and Fluctuating Power Devices

2020

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This paper discusses a structural property for a power system to continue a safe operation under power fluctuation caused by fluctuating power sources and loads. Concerns over global climate change and gas emissions have motivated development and integration of renewable energy sources such as wind and solar to fulfill power demand. The energy generated from these sources exhibits fluctuations and uncertainty which is uncontrollable. In addition, the power fluctuations caused by power loads also have the same consequences on power system. To mitigate the effects of uncontrollable power fluctuations, a power flow control is presented which allocates power levels for controllable power sources and loads and connections between power devices. One basic function for the power flow control is to balance the generated power with the power demand. However, due to the structural limitations, i.e., the power level limitations of controllable sources and loads and the limitation of power flow channels, the power balance may not be achieved. This paper proposes two theorems about the structural conditions for a power system to have a feasible solution which achieves the power balance between power sources and power loads. The discussions in this paper will provide a solid theoretical background for designing a power flow system which proves robustness against fluctuations caused by fluctuating power devices.

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Section: Incomplete Graph and Its Advantagesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Structural Condition for Controllable Power Flow System Containing Controllable and Fluctuating Power Devices

2020

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“…Secondly, most of the poverty alleviation photovoltaic power sources is instable, non-dispatchable, and highly fluctuant [19]. Large-scale access to these uncontrollable power generation have a greater impact on weak rural power grids, and the security risks of power grid operation would increase significantly, so it is a challenge to optimize and dispatch the power network [20][21][22][23][24][25][26][27][28]. Furthermore, the economic development of photovoltaic poverty alleviation areas is relatively slow, and the residential electricity load is generally small.…”

Section: Introductionmentioning

confidence: 99%

On-Site Energy Consumption Technologies and Prosumer Marketing for Distributed Poverty Alleviation Photovoltaic Linked to Agricultural Loads in China

et al. 2020

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In China, photovoltaic poverty alleviation projects play important role in promoting social and economic development in poverty-stricken areas. They can help stabilizing and increasing incomes of the poor. However, poverty alleviation photovoltaics are mainly connected to the rural distribution network in large numbers, which have a greater impact on the safe and stable operation of the distribution network, making the rural distribution network difficult to solve the problem of collecting and consuming distributed photovoltaic energies on-site. Meanwhile, photovoltaic poverty alleviation projects mainly rely on subsidies from the government and power grids, and the prosumer marketing methods are inadequate. In this paper, an effective on-site consumption technology for photovoltaic power generation linked to agricultural load for poverty alleviation is discussed, together with new energy management and planning technologies for stable two-way energy flow between photovoltaic power generation and rural distribution networks, which can increase the photovoltaic power supply radius, and deal with load fluctuations, and perform precise reactive power control of agricultural load. Furthermore, a prosumer marketing that can simultaneously create maximum economic benefits for power grid and poverty alleviation targets is proposed. The detailed economic benefits are calculated for a demonstration project in Funan county, Anhui province, China. INDEX TERMS On-site energy consumption, photovoltaic poverty alleviation, prosumer energy management, agricultural load WU LU (S'12-M'16) was born in Bozhou, Anhui Province, China in 1991. He obtained the B.Eng. degree in electrical and electronic engineering (2011) and the Ph.D. degree in electrical power engineering (2015) from The University of Manchester in UK.

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“…Similar to matrix power line switches, this method is also not able to manage different sources to supply power for each load. In [37], the synchronised source-load method has been considered, in which all sources and loads connected by a common electrical line. The contribution of sources for power delivery is managed by the power flow colouring technique.…”

Section: Introductionmentioning

confidence: 99%

Full‐selective contribution of sources in DC nanogrids using a technique based on buck/boost converter

Samet¹,

Ghanbari²,

Kazemzadeh³

et al. 2019

IET Energy Systems Integration

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In addition to conventional methods such as load side management and source side management, recently some new techniques have been presented to manage local sources in power networks. However, realising full-selective contribution of the load side sources has not addressed in the literature, yet. In this study, an efficient full-selective method is proposed, aimed to achieve a different desirable contribution of the sources in DC nanogrids. The proposed technique is based on a novel idea of DC power hub, which includes several buck/boost converters to control the contribution of local sources for supplying each of nanogrid's loads. The effectiveness of the proposed approach is confirmed using some simulations under different operating conditions.

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Cooperative Distributed Control Implementation of the Power Flow Coloring Over a Nano-Grid With Fluctuating Power Loads

Cited by 29 publications

References 26 publications

Structural Condition for Controllable Power Flow System Containing Controllable and Fluctuating Power Devices

Structural Condition for Controllable Power Flow System Containing Controllable and Fluctuating Power Devices

On-Site Energy Consumption Technologies and Prosumer Marketing for Distributed Poverty Alleviation Photovoltaic Linked to Agricultural Loads in China

Full‐selective contribution of sources in DC nanogrids using a technique based on buck/boost converter

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