Enforcing fair grid energy access for controllable distributed solar capacity

Enforcing fair grid energy access for controllable distributed solar capacity
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为可控分布式太阳能容量实施公平的电网能源接入

DOI:
10.1145/3137133.3137147
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发表时间:
2017
期刊:
ACM International Conference on Systems for Energy-Efficient Built Environments
影响因子:
--
通讯作者:
Taneja, Jay
Taneja, Jay
中科院分区:
--
文献类型:
--
作者:
Bashir, Noman;Irwin, David;Shenoy, Prashant;Taneja, Jay

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间歇性并网太阳能发电能力的快速扩张使得平衡电力实时供需的工作变得越来越具有挑战性。为了解决这个问题,最近的工作提出了一种机制,通过使软件能够将其限制为随时间变化的最大输出的一小部分,来主动增加太阳能输出到电网。公用事业可以使用这些机制,通过控制每个站点的太阳能输出来动态共享电网的太阳能容量。然而,虽然强制每个太阳能站点的随时间变化的最大输出的相等部分导致太阳能的“公平”短期贡献,但它不会导致太阳能的“公平”长期贡献。这种差异源于在强制“公平”进入电网以贡献太阳能方面的根本差异,而不是在网络和处理器中的类似公平共享。在本文中,我们提出了一个集中式和分布式算法,使分布式太阳能发电量的控制,强制执行公平的电网能源接入。我们实现了我们的算法,并在18个太阳能站点的合成数据和真实的数据上进行了评估。我们发现,传统的费率分配,强制执行平等的费率,导致太阳能站点贡献的能量比在一个月内强制执行公平电网能源接入的算法少18.9%。
The rapid expansion of intermittent grid-tied solar capacity is making the job of balancing electricity's real-time supply and demand increasingly challenging. To address the problem, recent work proposes mechanisms for activelycontrollingsolar power output to the grid by enabling software to cap it as a fraction of its time-varying maximum output. Utilities can use these mechanisms to dynamically share the grid's solar capacity by controlling the solar output at each site. However, while enforcing an equal fraction of each solar site's time-varying maximum output results in "fair" short-term contributions of solar power, it does not result in "fair" long-term contributions of solar energy. This discrepancy arises from fundamental differences in enforcing "fair" access to the grid to contribute solar energy, compared to analogous fair-sharing in networks and processors. In this paper, we present a centralized and distributed algorithm to enable control of distributed solar capacity that enforces fair grid energy access. We implement our algorithm and evaluate it on synthetic data and real data across 18 solar sites. We show that traditional rate allocation, which enforces equal rates, results in solar sites contributing up to 18.9% less energy than an algorithm that enforces fair grid energy access over a single month.
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