Reducing Peak Current and Energy Dissipation in Hybrid HVDC CBs Using Disconnector Voltage Control

Mohammad Hassan Hedayati; Dragan Jovcic

doi:10.1109/TPWRD.2018.2812713

Reducing Peak Current and Energy Dissipation in Hybrid HVDC CBs Using Disconnector Voltage Control

Mohammad Hassan Hedayati, Dragan Jovcic

Research output: Contribution to journal › Article › peer-review

42 Citations (Scopus)

31 Downloads (Pure)

Abstract

Peak fault current and energy dissipation in high voltage direct current (HVDC) circuit breakers (CBs) are very important parameters that impact dc grid protection development. This paper analyses a hybrid DCCB (HCB) control
that reduces peak current and energy dissipation, by regulating the voltage across contacts of the ultra-fast disconnector (UFD). This is achieved by manipulating the number of inserted surge arresters while contacts of the UFD are moving apart. The controller is seamlessly integrated with the current controller of HCBs. Analytical model for current and energy calculation is presented, verified, and employed for parametric studies. PSCAD simulation with 320kV, 16kA test circuit confirms that the proposed voltage control reduces the peak current and energy dissipation by around 20-30%. A 900V, 500A HCB laboratory hardware is described and the experimental results are shown to
corroborate simulation conclusions.

Original language	English
Pages (from-to)	2030-2038
Number of pages	9
Journal	IEEE Transactions on Power Delivery
Volume	33
Issue number	4
Early online date	12 Mar 2018
DOIs	https://doi.org/10.1109/TPWRD.2018.2812713
Publication status	Published - 31 Aug 2018

Bibliographical note

This work was supported by the European Union’s Horizon 2020 research and innovation program under grant No. 691714.

Keywords

Dc meshed grids
HVDC protection
HCB
Fault current limiting

Access to Document

10.1109/TPWRD.2018.2812713Licence: Unspecified

Accepted Manuscript
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Accepted author manuscript, 1.27 MBLicence: Other

Dragan Jovcic
- Engineering, Aberdeen HVDC Research Centre
- Centre for Energy Transition
- Engineering, Engineering - Chair in Engineering
Person: Academic

Cite this

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title = "Reducing Peak Current and Energy Dissipation in Hybrid HVDC CBs Using Disconnector Voltage Control",

abstract = "Peak fault current and energy dissipation in high voltage direct current (HVDC) circuit breakers (CBs) are very important parameters that impact dc grid protection development. This paper analyses a hybrid DCCB (HCB) controlthat reduces peak current and energy dissipation, by regulating the voltage across contacts of the ultra-fast disconnector (UFD). This is achieved by manipulating the number of inserted surge arresters while contacts of the UFD are moving apart. The controller is seamlessly integrated with the current controller of HCBs. Analytical model for current and energy calculation is presented, verified, and employed for parametric studies. PSCAD simulation with 320kV, 16kA test circuit confirms that the proposed voltage control reduces the peak current and energy dissipation by around 20-30%. A 900V, 500A HCB laboratory hardware is described and the experimental results are shown tocorroborate simulation conclusions.",

keywords = "Dc meshed grids, HVDC protection, HCB, Fault current limiting",

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AU - Hedayati, Mohammad Hassan

AU - Jovcic, Dragan

N1 - This work was supported by the European Union’s Horizon 2020 research and innovation program under grant No. 691714.

PY - 2018/8/31

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N2 - Peak fault current and energy dissipation in high voltage direct current (HVDC) circuit breakers (CBs) are very important parameters that impact dc grid protection development. This paper analyses a hybrid DCCB (HCB) controlthat reduces peak current and energy dissipation, by regulating the voltage across contacts of the ultra-fast disconnector (UFD). This is achieved by manipulating the number of inserted surge arresters while contacts of the UFD are moving apart. The controller is seamlessly integrated with the current controller of HCBs. Analytical model for current and energy calculation is presented, verified, and employed for parametric studies. PSCAD simulation with 320kV, 16kA test circuit confirms that the proposed voltage control reduces the peak current and energy dissipation by around 20-30%. A 900V, 500A HCB laboratory hardware is described and the experimental results are shown tocorroborate simulation conclusions.

AB - Peak fault current and energy dissipation in high voltage direct current (HVDC) circuit breakers (CBs) are very important parameters that impact dc grid protection development. This paper analyses a hybrid DCCB (HCB) controlthat reduces peak current and energy dissipation, by regulating the voltage across contacts of the ultra-fast disconnector (UFD). This is achieved by manipulating the number of inserted surge arresters while contacts of the UFD are moving apart. The controller is seamlessly integrated with the current controller of HCBs. Analytical model for current and energy calculation is presented, verified, and employed for parametric studies. PSCAD simulation with 320kV, 16kA test circuit confirms that the proposed voltage control reduces the peak current and energy dissipation by around 20-30%. A 900V, 500A HCB laboratory hardware is described and the experimental results are shown tocorroborate simulation conclusions.

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Reducing Peak Current and Energy Dissipation in Hybrid HVDC CBs Using Disconnector Voltage Control

Abstract

Bibliographical note

Keywords

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Dragan Jovcic

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