Extending the Operating Range of Electric Spring Using Back-To-Back Converter: Hardware Implementation and Control

Yan, Shijie; Lee, Chi-Kwan; Yang, Tianbo; Mok, Kwan-Tat; Tan, Siew‐Chong; Chaudhuri, Balarko; Hui, S.Y.R.

doi:10.1109/tpel.2016.2606128

Cited by 77 publications

(65 citation statements)

References 19 publications

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“…Compared with previous research on consensus control of ES [16] and ESBC control methods [20], this work discuss the control limitations of the ES-1 and studies a new design of ES. A novel control method is proposed for an ESBC to improve the performance of smart loads and facilitate consensus control of multiple ESBCs.…”

Section: Esbc and Smart Load Modellingmentioning

confidence: 99%

“…A common DC link provides a power flow channel between the two converters. Detailed hardware implementation of the ESBC has been explained in [20]. Converter 1 plays the same role as the ES-1 providing an adaptive voltage (V es ) for the non-critical load, represented by (1) and (2).…”

Section: Basic Concept Of Esbcmentioning

confidence: 99%

“…The control loop for converter 2 follows the technique in [20] to maintain stable DC voltage and balance power flow between the two converters. In the proposed control scheme, a sampled phase-locked loop (SPLL) is introduced to track the power factor of the non-critical load.…”

Section: Control Scheme For Single Esbcmentioning

confidence: 99%

“…A new version of the ES with a back-to-back converter (ESBC) configuration has been designed to overcome these limitations and extend the operational flexibility [19]. The operating principle and extended operation range of this back-to-back electric spring has been explained in [20]. The key issue to facilitate it to provide an effective voltage regulation service is to decide the best operating points within the full range of its operating region.…”

Section: Introductionmentioning

confidence: 99%

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Consensus control of electric spring using back-to-back converter for voltage regulation with ultra-high renewable penetration

Zheng

Zhang

Hill

et al. 2017

J. Mod. Power Syst. Clean Energy

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Recent advances in a power electronic device called an electric spring (ES) provide feasible solutions to meeting critical customers' requirements for voltage quality. A new version of the ES was introduced based on a back-to-back converter (ESBC) configuration which extends the operating range and improves the voltage suppression performance to facilitate ultra-high renewable penetration. This paper proposes an efficient control method to facilitate the voltage regulation function of an ESBC with non-critical loads. Particularly, the proposed method is suitable for various load characteristics. We also develop a consensus algorithm to coordinate multiple ESs for maintaining critical bus voltage in distribution systems with ultra-high renewable penetration. The proposed operation of the ESBC is verified by simulation of a modified IEEE 15-bus distribution network. The results show that the ESBC can effectively regulate system voltage and is superior to the original version of the ES.

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Section: Esbc and Smart Load Modellingmentioning

confidence: 99%

Section: Basic Concept Of Esbcmentioning

confidence: 99%

Section: Control Scheme For Single Esbcmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Consensus control of electric spring using back-to-back converter for voltage regulation with ultra-high renewable penetration

Zheng

Zhang

Hill

et al. 2017

J. Mod. Power Syst. Clean Energy

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show abstract

“…Electric spring with a back-to-back converter (ES-B2B) is introduced in [23] and is practically demonstrated in [24]. As compared with other versions of the ES (i.e.…”

Section: Introductionmentioning

confidence: 99%

Smart Loads for Improving the Fault-Ride-Through Capability of Fixed-Speed Wind Generators in Microgrids

Yan

Wang

Chen

2019

IEEE Trans. Smart Grid

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Research on the working principle and stability of CLC electric springs based on the impedance analysis method

Wang,

Chen,

Huang

et al. 2024

Circuit Theory & Apps

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SummaryElectric springs are an important tool for microgrids to resist fluctuations introduced by renewable energy. Ensuring the stability of the electric spring itself and the system is an important condition for effectively achieving voltage stabilization and resisting fluctuations. To solve the stability judgment problem of electric springs in weak current networks, a CLC‐Electric Spring (CLC‐ES) stability judgment method based on impedance analysis was studied. The article first establishes the CLC‐ES topology model and control strategy. Then, the stability criterion of CLC‐ES was derived, and the basic relationship between system phase margin (PM) and noncritical load resistance was explored. Finally, simulation and experiments show that the stability criteria and control method proposed in this paper are correct, confirming the feasibility of improving the system PM by increasing the noncritical load modulus.

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Extending the Operating Range of Electric Spring Using Back-To-Back Converter: Hardware Implementation and Control

Abstract: Abstract-This

Cited by 77 publications

References 19 publications

Consensus control of electric spring using back-to-back converter for voltage regulation with ultra-high renewable penetration

Consensus control of electric spring using back-to-back converter for voltage regulation with ultra-high renewable penetration

Smart Loads for Improving the Fault-Ride-Through Capability of Fixed-Speed Wind Generators in Microgrids

Research on the working principle and stability of CLC electric springs based on the impedance analysis method

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