Journal
IEEE TRANSACTIONS ON POWER DELIVERY
Volume 37, Issue 2, Pages 1340-1343Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRD.2021.3136772
Keywords
Substations; Switches; Integrated circuit interconnections; Circuit faults; Costs; Hybrid power systems; Switching circuits; Hybrid open point; network reconfiguration; total supply capability; hosting capacity; soft open point
Categories
Funding
- ESPRC [EP/S00078X/1]
- EPSRC [EP/T021969/1]
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This paper introduces a new device called the Hybrid Open Point (HOP), which consists of an electromechanical switch and a power converter connected in parallel to increase network capacity in interconnected distribution systems. The two types of HOP are studied considering fault level and radiality constraints. The experimental results show that HOP can provide secure network capacity more cost-effectively.
This letter introduces the Hybrid Open Point (HOP), a device consisting of an electromechanical switch connected in parallel with a power converter, for the purpose of providing additional network capacity in interconnected distribution systems. The HOP switch is used for bulk power transfer at low-cost, whilst the HOP converter provides targeted power transfer when the HOP switch is open. The device can replace either a Normally Open Point (Type 1 HOP) or a Normally Closed Point (Type 2 HOP). Simple interconnection and teed interconnection configurations are studied considering fault level and radiality constraints, with realistic use-cases identified for both HOP types. The HOP is shown to provide secure network capacity more cost-effectively than the classical Soft Open Point.
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