Hybrid Modeling and Simulation for Shipboard Power System Considering High-Power Pulse Loads Integration
Abstract
:1. Introduction
- (1)
- This paper seeks a hybrid model for shipboard power systems considering high-power pulse loads integration, which can deal with multiple concurrent extreme events arriving randomly and fluctuating pulse-load operation, to illustrate the hybrid dynamic evolution process of SPS.
- (2)
- This paper presents the hybrid model in a distributed manner. The proposed model takes full advantage of the zonal distribution structure of SPS and allows each zone in SPS to handle the external events autonomously.
- (3)
- The proposed hybrid model provides a direct input/output interface to be integrated with different-scale continuous models, which allows easy refinement and adjustment to adapt to different ship design intentions and control requirements.
2. Hybrid Model Description for SPS
2.1. Representative SPS
2.2. Automata-Based Hybrid Model for Each Zone
2.3. Global Hybrid Model for SPS
3. Hybrid Simulation Method for SPS
3.1. Continuous Dynamic Mutation Due to Discrete State Transition
3.2. Continuous Dynamic Model Reconstruction and Solving after Discrete State Transition
4. Simulation and Results Analysis
4.1. SPS Start-Up Scenario
4.2. Pulse Load Launch Scenario
4.3. Comparison and Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Components | Zone 1 | Zone 2 | Zone 3 | Zone 4 |
---|---|---|---|---|
PGM | ATG 4MW | MTG 36MW | MTG 36MW | ATG 4MW |
PM | 36MW | 36MW | ||
Pulse Load | 20MW | 1MW | 1MW | |
Zonal Load | 2MW | 2MW | 2MW | 2MW |
Devices/Components | Status | ||||
---|---|---|---|---|---|
0 | 1 | 2 | 3 | ||
Z1 | ATG1 | Offline | Online | ||
PL1 | Offline | Port Supply | Stbd Supply | Both Supply | |
ZL1 | Offline | Port Supply | Stbd Supply | Both Supply | |
Brk1 | Open | Close | |||
Z2 | MTG1 | Offline | Online | ||
PL2 | Offline | Port Supply | Stbd Supply | Both Supply | |
ZL2 | Offline | Port Supply | Stbd Supply | Both Supply | |
PM1 | Offline | 50% power | Rated power | ||
Z3 | MTG3 | Offline | Online | ||
PL3 | Offline | Port Supply | Stbd Supply | Both Supply | |
ZL3 | Offline | Port Supply | Stbd Supply | Both Supply | |
PM2 | Offline | 50% power | Rated power | ||
Z4 | ATG2 | Offline | Online | ||
ZL4 | Offline | Port Supply | Stbd Supply | Both Supply | |
Brk2 | Open | Close |
ID | Time (s) | Event Description |
---|---|---|
1 | 0 | Simulation starts; all generator sets running at rated speed |
2 | 5 | All generator sets connect to the DC bus |
3 | 20 | All zone loads online |
4 | 30 | Propulsion subsystems connect to DC bus and ship speed gradually increases to 32 knots |
5 | 300 | Simulation ends and record the results |
ID | Time (s) | Event Description |
---|---|---|
1 | 0 | Simulation starts, ship speed 8 knots |
2 | 5 | EMRG starts charging |
3 | 10 | EMRG launches |
4 | 11 | EMRG charging again |
5 | 16 | EMRG launches again |
6 | 17 | EMRG disconnects, ship accelerates to 25 knots |
7 | 200 | Simulation ends and record the results |
Research | SPS Topology | Model Type | Model Configuration | Modeling Method | Case Studies |
---|---|---|---|---|---|
[12] | DC + Zonal | Continuous | Centralized | Simulink | Pulse load |
[13] | DC + Radial | Continuous | Centralized | Simulink | Ship acceleration and deceleration |
[14] | DC + Radial | Continuous | Centralized | Simulink | Ship acceleration + Overloaded + Restoration |
[15] | DC + Zonal | Continuous | Centralized | RTDS | N/A |
[20] | DC + Zonal | Continuous | Centralized | Simulink | Ship acceleration + Pulse load |
[31] | DC + Radial | Hybrid | Centralized | Simulink | Load shedding |
[32] | AC + Ring | Hybrid | Centralized | Simulink | Supervisory control |
[33] | AC + Ring | Hybrid | Centralized | Simulink | Reconfiguration |
Our work | DC + Zonal | Hybrid | Distributed | Simulink | Ship acceleration + Pulse load |
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Zhu, W.; Jin, C.; Liang, Z. Hybrid Modeling and Simulation for Shipboard Power System Considering High-Power Pulse Loads Integration. J. Mar. Sci. Eng. 2022, 10, 1507. https://doi.org/10.3390/jmse10101507
Zhu W, Jin C, Liang Z. Hybrid Modeling and Simulation for Shipboard Power System Considering High-Power Pulse Loads Integration. Journal of Marine Science and Engineering. 2022; 10(10):1507. https://doi.org/10.3390/jmse10101507
Chicago/Turabian StyleZhu, Wanlu, Chunpeng Jin, and Zhengzhuo Liang. 2022. "Hybrid Modeling and Simulation for Shipboard Power System Considering High-Power Pulse Loads Integration" Journal of Marine Science and Engineering 10, no. 10: 1507. https://doi.org/10.3390/jmse10101507