Distributed load management scheme to increase PV hosting capacity in LV feeders

Mahroo, Reza; Izadi, Milad; Safdarian, Amir; Lehtonen, Matti

doi:10.1049/iet-rpg.2019.0159

Cited by 17 publications

(7 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Rahman et al [15] showed that a control scheme using DR and OLTC efficiently improves HC in suburban LV networks in Australia. In [28], the authors proposed a distributed load management scheme for HC improvement using heating, ventilation, and air conditioning (HVAC) loads, electric water heater, and two-way communication. All previous RDR studies for HC improvement use the DLC scheme.…”

Section: Related Workmentioning

confidence: 99%

Residential Demand Response-Based Load-Shifting Scheme to Increase Hosting Capacity in Distribution System

et al. 2022

View full text Add to dashboard Cite

Increasing use of solar photovoltaic (PV) generation in order to decarbonize the electric energy system results in many challenges. Overvoltage is one of the most common problem in distribution systems with high penetration of solar PV. Utilizing demand-side resources such as residential demand response (RDR) have the potential to alleviate this problem. To increase the solar PV hosting capacity, we propose an RDR based load-shifting scheme that utilizes the interaction between the distribution system operator (DSO) and demand-side resources. We first model a customer utility that consists of the cost of purchasing power, revenue from the subsidy, and discomfort due to load shifting. When an overvoltage problem is expected, DSO issues a local subsidy, and customers in the distribution system move their load in response. An optimization framework that minimizes the additional cost due to the subsidy while keeping the voltages in a prescribed range is proposed. Because of the non-linearity of the power flow analysis, we propose a sub-optimal algorithm to obtain a subsidy, prove the performance gap between the optimal subsidy and the subsidy obtained by the algorithm. A case study shows that the proposed RDR scheme increases the hosting capacity to almost its theoretical limit at a lower cost than the curtailment method.

show abstract

Section: Related Workmentioning

confidence: 99%

Residential Demand Response-Based Load-Shifting Scheme to Increase Hosting Capacity in Distribution System

et al. 2022

View full text Add to dashboard Cite

show abstract

“…Similarly, an improved HC along with reduced network losses has been observed in [71] by the utilization of the residential DR in tandem with OLTC in a suburban radial LV Australian network with a penetration of 35% of the transformer capacity (65 kW). The authors investigated a single-phase LV distribution feeder with two-way communication supplying 10 loads in [123]. The operations of Heating, Ventilation, and Air Conditioning (HVAC) loads and Electric Water Heater (EWH) are managed in such a way to achieve voltage regulation without compromising the thermal comfort of the customers.…”

Section: Demand Responsementioning

confidence: 99%

Review on the PV Hosting Capacity in Distribution Networks

2020

Self Cite

View full text Add to dashboard Cite

The increasing penetration of Photovoltaic (PV) generation results in challenges regarding network operation, management and planning. Correspondingly, Distribution Network Operators (DNOs) are in the need of totally new understanding. The establishment of comprehensive standards for maximum PV integration into the network, without adversely impacting the normal operating conditions, is also needed. This review article provides an extensive review of the Hosting Capacity (HC) definitions based on different references and estimated HC with actual figures in different geographical areas and network conditions. Moreover, a comprehensive review of limiting factors and improvement methods for HC is presented along with voltage rise limits of different countries under PV integration. Peak load is the major reference used for HC definition and the prime limiting constraint for PV HC is the voltage violations. However, the varying definitions in different references lead to the conclusion that, neither the reference values nor the limiting factors are unique values and HC can alter depending on the reference, network conditions, topology, location, and PV deployment scenario.

show abstract

“…According to the literature review, a fair range of studies have been carried out globally to examine feasible solutions that could be adopted to enhance PV uptake [10][11][12][13][14][15][16][17][18][19][20]. However, most of the studies are focused on advanced control approaches where a significant amount of infrastructure upgrades and maintenances are required to secure the efficiency.…”

Section: Introductionmentioning

confidence: 99%

Performance evaluation of PV penetration at different locations in a LV distribution network connected with an off-load tap changing transformer

Almeida

Pasupuleti

Ekanayake

2021

IJEECS

View full text Add to dashboard Cite

<span>Solar photovoltaic (PV) power generation has shown a worldwide remarkable growth in recent years. In order to achieve the increasing energy demand, a large number of residential PV units are connected to the low voltage (LV) distribution networks. However, high integration of solar PV could cause negative impacts on distribution grids leading to violations of limits and standards. The voltage rise has been recognized as one of the major implications of increased PV integration, which could significantly restrict the capacity of the distribution network to support higher PV penetration levels. This study addresses the performance of the off-load tap changing transformer under high solar PV penetration and a detailed analysis has been carried out to examine the maximum allowable PV penetration at discrete tap positions of the transformer. The maximum PV penetration has been determined by ensuring that all nodal voltages adhere to grid voltage statutory limits. The simulation results demonstrate that the first two tap positions could be adopted to control the grid voltage under higher PV penetrations thus facilitating further PV influx into the existing network.</span>

show abstract

Distributed load management scheme to increase PV hosting capacity in LV feeders

Cited by 17 publications

References 32 publications

Residential Demand Response-Based Load-Shifting Scheme to Increase Hosting Capacity in Distribution System

Residential Demand Response-Based Load-Shifting Scheme to Increase Hosting Capacity in Distribution System

Review on the PV Hosting Capacity in Distribution Networks

Performance evaluation of PV penetration at different locations in a LV distribution network connected with an off-load tap changing transformer

Contact Info

Product

Resources

About