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- Publisher Website: 10.1109/TSG.2017.2754545
- Scopus: eid_2-s2.0-85030625818
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Article: Enhancing Flexibility of An Islanded Microgrid with Electric Springs
Title | Enhancing Flexibility of An Islanded Microgrid with Electric Springs |
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Authors | |
Keywords | Critical loads Electric spring Model predictive control Renewable energy Water heating system |
Issue Date | 2017 |
Publisher | Institute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=5165411 |
Citation | IEEE Transactions on Smart Grid, 2017, v. 10 n. 1, p. 899-909 How to Cite? |
Abstract | An electric spring (ES) is effective in enhancing the operational flexibility and facilitating renewable energy integration. An ES can determine the operation status of the connected noncritical loads (NCLs) by adjusting its output voltage. It is possible to use NCLs as operation resources for renewable integration. In this paper, a model predictive control (MPC) based strategy is proposed to dispatch ESs with a water heating system (WHS) used as an NCL in an islanded microgrid to accommodate fluctuating renewables. Critical loads (CLs) in the microgrid can also benefit from ESs by obtaining a reliable supply voltage with smaller deviations than other loads. The CL is modeled using a ZIP static load model, which is commonly used to represent loads of a power system. The temperature constraint of the WHS and the ramping constraint of a diesel generator are consider and can be effectively managed by the proposed MPC strategy. Finally, the capabilities of NCLs with ESs to enhance operational flexibility are studied through sensitivity analyses with different ramping abilities of the microgrid. |
Persistent Identifier | http://hdl.handle.net/10722/247410 |
ISSN | 2023 Impact Factor: 8.6 2023 SCImago Journal Rankings: 4.863 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Liang, L | - |
dc.contributor.author | Hou, Y | - |
dc.contributor.author | Hill, DJ | - |
dc.date.accessioned | 2017-10-18T08:26:48Z | - |
dc.date.available | 2017-10-18T08:26:48Z | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | IEEE Transactions on Smart Grid, 2017, v. 10 n. 1, p. 899-909 | - |
dc.identifier.issn | 1949-3053 | - |
dc.identifier.uri | http://hdl.handle.net/10722/247410 | - |
dc.description.abstract | An electric spring (ES) is effective in enhancing the operational flexibility and facilitating renewable energy integration. An ES can determine the operation status of the connected noncritical loads (NCLs) by adjusting its output voltage. It is possible to use NCLs as operation resources for renewable integration. In this paper, a model predictive control (MPC) based strategy is proposed to dispatch ESs with a water heating system (WHS) used as an NCL in an islanded microgrid to accommodate fluctuating renewables. Critical loads (CLs) in the microgrid can also benefit from ESs by obtaining a reliable supply voltage with smaller deviations than other loads. The CL is modeled using a ZIP static load model, which is commonly used to represent loads of a power system. The temperature constraint of the WHS and the ramping constraint of a diesel generator are consider and can be effectively managed by the proposed MPC strategy. Finally, the capabilities of NCLs with ESs to enhance operational flexibility are studied through sensitivity analyses with different ramping abilities of the microgrid. | - |
dc.language | eng | - |
dc.publisher | Institute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=5165411 | - |
dc.relation.ispartof | IEEE Transactions on Smart Grid | - |
dc.rights | IEEE Transactions on Smart Grid. Copyright © Institute of Electrical and Electronics Engineers. | - |
dc.rights | ©20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | - |
dc.subject | Critical loads | - |
dc.subject | Electric spring | - |
dc.subject | Model predictive control | - |
dc.subject | Renewable energy | - |
dc.subject | Water heating system | - |
dc.title | Enhancing Flexibility of An Islanded Microgrid with Electric Springs | - |
dc.type | Article | - |
dc.identifier.email | Liang, L: lliang@eee.hku.hk | - |
dc.identifier.email | Hou, Y: yhhou@hku.hk | - |
dc.identifier.email | Hill, DJ: dhill@eee.hku.hk | - |
dc.identifier.authority | Hou, Y=rp00069 | - |
dc.identifier.authority | Hill, DJ=rp01669 | - |
dc.identifier.doi | 10.1109/TSG.2017.2754545 | - |
dc.identifier.scopus | eid_2-s2.0-85030625818 | - |
dc.identifier.hkuros | 280708 | - |
dc.identifier.volume | 10 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 899 | - |
dc.identifier.epage | 909 | - |
dc.identifier.isi | WOS:000455180900082 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 1949-3053 | - |