Development of an Aircraft Electric Power Architecture With Integrated Ground Power Unit

Liaw, C.M.; Yang, Chen-Wei; Lu, Min-Ze

doi:10.1109/taes.2022.3151582

Cited by 10 publications

(7 citation statements)

References 32 publications

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“…Taking the more electric aircraft (MEA) electric power architecture (EPA) presented in [40,41] as an application example, the aircraft on-board facilities can be powered by the developed microgrid. The functions of a ground power unit are preserved.…”

Section: System Configurationmentioning

confidence: 99%

“…The whole energy utilization can be more effectively enhanced. More specifically, the grounded MEA [38][39][40][41] can also conduct its interconnected operation on the airport microgrid to have similar effects. The interconnected operations of both EV and MEA are presented in this paper.…”

Section: Introductionmentioning

confidence: 99%

“…The ground power unit's powering functions can be preserved. The MEA electric power architecture (EPA) with high-voltage common DC-buses developed in [40,41] is employed to conduct the M2A/A2M operations of the established dedicated airport microgrid to the landed MEA. The MEA on-board facilities can be powered from the microgrid with the same functions as the traditional movable GPU.…”

Section: Introductionmentioning

confidence: 99%

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Airport Microgrid and Its Incorporated Operations

Liaw,

Yang,

Jhou

2024

Aerospace

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This paper presents the development of an airport bipolar DC microgrid and its interconnected operations with the utility grid, electric vehicle (EV), and more electric aircraft (MEA). The microgrid DC-bus voltage is established by the main sources, photovoltaic (PV) and fuel cell (FC), via unidirectional three-level (3L) boost converters. The proposed one-cycle control (OCC)-based current control scheme and quantitative and robust voltage control scheme are proposed to yield satisfactory responses. Moreover, the PV maximum power point tracking (MPPT) with FC energy-supporting approach is developed to have improved renewable energy extraction characteristics. The equipped hybrid energy storage system (HESS) consists of an energy-type battery and a power-type flywheel; each device is interfaced to the common DC bus via its own 3L bidirectional interface converter. The energy-coordinated operation is achieved by the proposed droop control. A dump load leg is added to avoid overvoltage due to an energy surplus. The grid-connected energy complementary operation is conducted using a neutral point clamped (NPC) 3L three-phase inverter. In addition to the energy support from grid-to-microgrid (G2M), the reverse mcrogrid-to-grid (M2G) operation is also conductible. Moreover, microgrid-to-vehicle (M2V) and vehicle-to-microgrid (V2M) bidirectional operations can also be applicable. The droop control is also applied to perform these interconnected operations. For the grounded aircraft, bidirectional microgrid-to-aircraft (M2A)/aircraft-to-microgrid (A2M) operations can be performed. The aircraft ground power unit (GPU) function can be preserved by the developed microgrid. The MEA on-board facilities can be powered by the microgrid, including the 115 V/400 Hz AC bus, the 270 V DC bus, the switched-reluctance motor (SRM) drive, etc.

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Section: System Configurationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Airport Microgrid and Its Incorporated Operations

Liaw,

Yang,

Jhou

2024

Aerospace

Self Cite

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“…The example three-phase buck-boost SMRs for aircraft applications are presented in [47], [48]. When the regenerative braking with recovered energy back to the mains is required, the three-phase bidirectional six-switch (3P6SW) boost SMR [42], [43], [49], [50] must be employed.…”

Section: Introductionmentioning

confidence: 99%

On a SMR-Fed SynRM Drive With Real-Time Commutation Tuning

Yang

et al. 2022

IEEE Access

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This paper presents a switch-mode rectifier (SMR) fed synchronous reluctance motor (SynRM) drive. Good driving performance over wide operating range is achieved via: (i) boosted and wellregulated DC-link voltage established by the SMR; (ii) real-time commutation angle tuning by the adaptive commutation scheme (ACS) using on-line fitted motor key parameters, and equivalently by the model-free intuitive commutation tuning (ICT) scheme; (iii) robust current control considering slotting harmonic effects; and (iv) quantitative and robust speed controls. First, the SynRM drive with fixed DC-link voltage is established. The real-time commutation tuning scheme with motor total loss minimization is proposed. Then the dynamic current and speed control schemes are designed. The feedback controllers are augmented with simple robust control schemes to have satisfactory responses. Under well-regulated DC-link voltage, good line drawn power quality is obtained simultaneously. Moreover, the regenerative braking power can be recovered back to the utility grid. Finally, the whole SMR-fed SynRM drive is evaluated. The motor driving characteristics under higher speeds and heavier loads are enhanced.

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“…Therefore, reliable power inverters are highly needed to preserve the continuity of the power supply. 5 This paper 6 presents a switch-mode rectifier-based electric power architecture with an integrated GPU for more electric aircraft. Good armature power quality and well-regulated DC output voltage are the main merits of this paper due to well-designed current and voltage control schemes.…”

mentioning

confidence: 99%

Design and implementation of ground power unit using a three‐level fault‐tolerant neutral point clamped inverter

Abbaspour

Kojabadi

2022

Circuit Theory & Apps

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Due to the widespread use of static power converters in various industries and sensitive applications such as ground power units (GPUs), it is essential that the inverters have high reliability. A failure in the inverters can cause undesirable consequences such as low performance, shutting down the system, and losing the stability of the entire system. On the other hand, in some critical industrial processes with high standstill costs and safety‐aspect concerns, such as aircraft, high reliability, and survivability of the system, are very important. Therefore, the use of fault‐tolerant (FT) inverters is inevitable in such applications. In this paper, using a three‐level fault‐tolerant neutral point clamped (FT‐NPC) inverter, the reliability of the GPUs is increased and it results in higher availability and continuous system performance. Furthermore, a simple automatic fault detection (FD) algorithm is presented by taking the inverter pole voltage as a FD parameter. The inverter is analyzed for open‐circuit fault in the switches, and the reliability of the FT‐NPC inverter is compared with the classic inverter. The simulation and experimental results of the 2‐kVA converter prototype are presented to confirm the FT inverter performance and the proposed method.

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Development of an Aircraft Electric Power Architecture With Integrated Ground Power Unit

Cited by 10 publications

References 32 publications

Airport Microgrid and Its Incorporated Operations

Airport Microgrid and Its Incorporated Operations

On a SMR-Fed SynRM Drive With Real-Time Commutation Tuning

Design and implementation of ground power unit using a three‐level fault‐tolerant neutral point clamped inverter

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