Results 211 to 220 of about 665 (250)
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Zero volt switching hybrid DC circuit breakers
Conference Record of the 2000 IEEE Industry Applications Conference. Thirty-Fifth IAS Annual Meeting and World Conference on Industrial Applications of Electrical Energy (Cat. No.00CH37129), 2002DC distribution networks have the advantage of easy connection of generators of different frequency, fuel cells, and storage devices like batteries and flywheels to a grid and the advantage of a lower current load of the cables. Despite these advantages, often an AC distribution network is chosen because of the lack of reliable DC switchgear.
P. van Gelder, J.A. Ferreira
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Hybrid DC Circuit Breaker and Method for Controlling [PDF]
, 2013 A circuit breaker and method of controlling Direct Current is disclosed. The circuit breaker has a primary conduction path (202) comprising a positive temperature coefficient (PTC) device with a positive temperature coefficient of resistance and a mechanical switch (204, CB1) is connected in series with the PTC device.
Cwikowski, Oliver +2 more
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An Integrated Multi-port Hybrid DC Circuit Breaker
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP), 2019A massive number of hybrid DC circuit breakers (HCBs) have to be installed to protect a voltage source converter based multi-terminal DC (MTDC) system, leading to quite high costs. To reduce the implementation cost employing HCB in DC systems, this paper presents an integrated multi-port hybrid DC circuit breaker (IMP-HCB), which consists of an ...
Jinghan He +5 more
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Modular Hybrid DC Circuit Breaker for Medium-Voltage DC System
2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020This paper proposes a new modular hybrid DC Circuit Breaker (DCCB) for Medium-Voltage DC (MVDC) grid system. The proposed DCCB has mechanical switch which is composed of Vacuum Interrupter (VI) and Permanent Magnetic Actuator (PMA). And commutation path which is composed of two IGBTs and diodes is connected to the VI in parallel.
Dong-Uk Kim, Sungmin Kim
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Fault isolation characteristics of the hybrid DC circuit breaker
2017 IEEE Conference on Energy Internet and Energy System Integration (EI2), 2017The topologies and operation principles of the hybrid Direct Current Circuit Breaker (DCCB) are present in this paper. The equivalent circuits of the hybrid DCCB in different period of the current breaking process are obtained. Then the fault current path of DC double pole short-circuit fault, monopole grounding fault, single phase to ground fault and ...
Bingjian Yang +6 more
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Arc-less commutation in hybrid DC circuit breaker
2016 IEEE International Conference on Plasma Science (ICOPS), 2016DC circuit breaker (DCCB) has been intensively studied due to increasing demand in DC power transmission, such as mega solar power plants and large wind farms. A hybrid DC circuit breaker which consists of electrical contacts, semiconductor devices and a metal-oxide element (varistor) is a promising device to provide a small contact resistance and a ...
Koichi Yasuoka +4 more
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Multi-Port Hybrid DC Circuit Breaker for DC Distribution Network
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP), 2019The two-port hybrid DC circuit breaker (TP-HCB) combines the advantages of mechanical DC circuit breaker (DCCB) and solid-state DCCB, which has small loss during normal operation and fast action speed. However, the TP-HCB contains many IGBTs to withstand transient breaking voltage, therefore the total cost of TP-HCB is relatively high.
Shuo Zhang +3 more
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Development of a new hybrid DC circuit breaker
IET Conference Proceedings, 2022W. Xie +5 more
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Analysis and Experiments for IGBT, IEGT, and IGCT in Hybrid DC Circuit Breaker
IEEE Transactions on Industrial Electronics, 2018As power semiconductor devices are the key components of hybrid DC circuit breakers (HCBs), how to select suitable devices is critical for the whole HCB design. First, this paper compared the general characteristics of press pack insulated gate bipolar transistor (IGBT), injection-enhanced gate transistor (IEGT), and integrated gate commutated ...
Zhengyu Chen 0004 +7 more
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A capacitor commutated hybrid DC circuit breaker
2023 IEEE 6th International Electrical and Energy Conference (CIEEC), 2023Jingxia Huang +9 more
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