Effect of the reporting rate of synchrophasor measurements for distributed secondary control of AC microgrid

Din, Edoardo De; Lipari, Gianluca; Angioni, Andrea; Ponci, Ferdinanda; Monti, Antonello

doi:10.1109/iwmn.2017.8078378

Cited by 4 publications

(4 citation statements)

References 12 publications

(25 reference statements)

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“…The emergence of distribution network PMUs in recent years has provided millisecond-level synchronous measurement, laying the foundation for dynamic-model-based control methods. However, the current PMU-based voltage control is mainly to improve the secondary control by introducing synchrophasor from PMU [18][19][20][21]. In reference [18], synchrophasor is used as feedback to improve the adaptability of secondary voltage control.…”

Section: Introductionmentioning

confidence: 99%

“…In reference [20], a coordinated secondary voltage control strategy is proposed, which is based on the online measurement of reactive power flow of photovoltaic and on‐load tap changer. In reference [21], the transmission rate of PMU is analyzed to explore the influence on the performance of the distributed micro‐grid voltage control. The above research utilizes the advantages of real‐time synchronous measurement of PMU and improves the reliability of traditional secondary voltage control.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

An integrated dynamic voltage control strategy in active distribution network based on improved model predictive control

Wang

et al. 2022

IET Generation Trans & Dist

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The distribution networks have more frequent and fast voltage fluctuations with the large‐scale access of distributed energy resources and electric vehicles. Based on remote terminal unit (RTU) and distribution terminal unit (DTU), traditional hierarchical control methods are difficult to achieve rapid global coordinated voltage regulation due to static modeling. For this purpose, this paper proposes an integrated dynamic voltage control strategy which integrates the objectives of local voltage control and secondary voltage control. First, simplified dynamic models of controllable equipment in active distribution network are established instead of the static models. On this basis, the state‐space prediction model of the control system is established. Then, based on the improved model predictive control (IMPC), the integrated dynamic voltage control strategy realizes rapid and global coordinated control through state prediction, rolling optimization and real‐time feedback correction. Numerical results show that the proposed strategy can achieve fast global coordinated voltage control in the time scale of seconds.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An integrated dynamic voltage control strategy in active distribution network based on improved model predictive control

Wang

et al. 2022

IET Generation Trans & Dist

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“…As for the former device, it is a consolidated technology, which allows a high level of network monitoring [1]. This is due to its capabilities of measuring synchrophasors, frequency, and rate of change of frequency (ROCOF) [2,3].…”

Section: Introductionmentioning

confidence: 99%

A Simple Calibration Procedure for an LPIT plus PMU System Under Off-Nominal Conditions

et al. 2019

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This work deals with two paramount devices when Smart Grids are concerned: phasor measurement units (PMUs) and low-power instrument transformers (LPITs). In particular, a simple calibration procedure to test the measurement chain PMU + LPIT has been developed. The procedure involves steady-state conditions of the grid and off-nominal input signals for testing current, voltage, frequency, and rate of change of frequency (ROCOF). In addition, the procedure includes a preliminary testing of the PMU without the LPIT to understand the influence of the latter. The procedure is then applied to a specific case study: a low-cost PMU developed by the authors and one of the most common LPITs adopted in Italian medium voltage networks. The obtained results are promising for two reasons. First, the low-cost PMU works correctly even in off-nominal conditions of the grid; second, the presented calibration procedure demonstrated to be effective and applicable to very common equipment, using a rather simple test setup.

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“…It measures the synchrophasor, which is of great support for accuracy and update rate of Distributed System State Estimation (DSSE) [2], frequency and Rate Of Change of Frequency (ROCOF) which can be exploited in Microgrid applications [3]. These measurements must be performed respecting the real time and accuracy requirements specified in the standard IEEE c37.118.1-2011 and its amendment IEEE c37.118.1a-2014 [4]. Moreover, they should also require low costs for installation in a rising number of distribution Medium and Low Voltage (MV and LV) buses.…”

Section: Introductionmentioning

confidence: 99%

Calibration of Synchronized Measurement System: from the Instrument Transformer to the PMU

Mingotti

Peretto

Tinarelli

et al. 2018

2018 IEEE 9th International Workshop on Applied Measurements for Power Systems (AMPS)

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Even if their deployment in electrical medium voltage networks was not as extensive as could be expected at the beginning, Phasor Measurement Units are key elements for Smart Grid operation. An impressive amount of papers discusses their implementation and usefulness in medium voltage network and almost as many deals with their metrological characterization. Although it is well known that instrument transformers are the main source of uncertainty in PMU-based synchronized measurements, this topic is not sufficiently tackled in the scientific literature. In this paper, the attention is focused on the calibration of a measurement system made by a PMU and a low-power instrument transformer commonly employed in the Italian distribution network.

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Effect of the reporting rate of synchrophasor measurements for distributed secondary control of AC microgrid

Cited by 4 publications

References 12 publications

An integrated dynamic voltage control strategy in active distribution network based on improved model predictive control

An integrated dynamic voltage control strategy in active distribution network based on improved model predictive control

A Simple Calibration Procedure for an LPIT plus PMU System Under Off-Nominal Conditions

Calibration of Synchronized Measurement System: from the Instrument Transformer to the PMU

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