Integrating distributed generation using decentralised voltage regulation

Sansawatt, Thipnatee; Ochoa, Luis F.; Harrison, Gareth

doi:10.1109/pes.2010.5588127

Cited by 58 publications

(30 citation statements)

References 11 publications

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“…In reality, the time delays from mechanical or control actions have to be considered. Details of the control schemes are found in [8,9].…”

Section: B Thermal Constraint Managementmentioning

confidence: 99%

“…Based upon previous work [1,2,8,9], the scheme uses the DG unit's ability to control its reactive and active power output (i.e., applying generation curtailment), while requiring no communication links with other network devices or participants. This control aspect could provide the DNOs and DG developers with an alternative for connecting more renewable DG that is fast-to-deploy, technically effective and economically viable.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Operational windows for decentralized control of renewable DG: Techno-economic trade-offs

Sansawatt

Ochoa

Harrison

2011

2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies

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Abstract-The connection of renewable distributed generation (DG) is expected to increase significantly in the UK. A large volume will continue to connect to rural areas where voltage and thermal constraints are the main issues. It is in this context that Distribution Network Operators (DNOs) need to provide costeffective connection arrangements, avoiding expensive reinforcements, and looking at innovative ways of actively managing the network. Herein, a decentralized, local control of (renewable) DG is proposed to manage voltage and thermal constraints by regulating the DG reactive power capacity and applying generation curtailment. Given that DG developers will require the highest possible returns of energy exports and DNOs might tolerate short-term, low-impact voltage and thermal breaches, the settings of the actual control mechanism (e.g., thresholds, target values and holding time) require special attention. This work focuses on the fine tuning of the control settings of the proposed scheme in order to assess the technical and economic trade-offs. A concept based on operational windows (related to time and severity) to capture the constrained situations is introduced. Results using a radial test feeder will be presented, highlighting the performance of different tuned settings.Index Terms-Voltage and thermal constraints, distributed generation, active network management, reactive power management, generation curtailment.

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“…In reality, the time delays from mechanical or control actions have to be considered. Details of the control schemes are found in [8,9].…”

Section: B Thermal Constraint Managementmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Operational windows for decentralized control of renewable DG: Techno-economic trade-offs

Sansawatt

Ochoa

Harrison

2011

2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies

View full text Add to dashboard Cite

show abstract

“…For example, photo-voltaic (PV) inverters connected to low voltage distribution systems in Germany are required to implement P − f droop control to curtail active power when system frequency rises above 50.2 Hz [2], and research indicates that curtailing active power in response to voltage rises can increase feasible DG penetration [3].…”

Section: Introductionmentioning

confidence: 99%

Design and evaluation of autonomous hybrid frequency-voltage sensitive load controller

Douglass

García-Valle

Sossan

et al. 2013

IEEE PES ISGT Europe 2013

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Abstract-The paper introduces an algorithm for control of autonomous loads without digital communication interfaces to provide both frequency regulation and voltage regulation services. This hybrid controller can be used to enhance frequency sensitive loads to mitigate line overload arising from reduced load diversity. Numerical simulations of the hybrid controller in a representative distribution system show the peak system load was reduced by 12% compared to a purely frequency sensitive load controller.

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“…In the autonomous control scheme, each generator operates independently [11,12] with its own optimally-selected static controller settings, with no need for supervisory systems. This approach builds on previous work by the authors; [13,14] quantified how voltage-controlling distributed generators can deliver reactive power to the transmission system, a capability demonstrated to be tangibly useful for system-wide voltage security in [7,15]; [16] shows how optimally-selected static power factor settings for distributed generators can substantially reduce draw-down of reactive power from the transmission network.…”

mentioning

confidence: 99%

Voltage Responsive Distribution Networks: Comparing Autonomous and Centralized Solutions

Cuffe

Keane

2015

IEEE Trans. Power Syst.

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Integrating distributed generation using decentralised voltage regulation

Cited by 58 publications

References 11 publications

Operational windows for decentralized control of renewable DG: Techno-economic trade-offs

Operational windows for decentralized control of renewable DG: Techno-economic trade-offs

Design and evaluation of autonomous hybrid frequency-voltage sensitive load controller

Voltage Responsive Distribution Networks: Comparing Autonomous and Centralized Solutions

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