Volume 3,Issue 4
考虑城市电网弹性裕度的柔性直流控制策略
随着城市电网柔性直流技术的不断发展,柔性负荷的逐步增多为城市电网运行提供了充足的可调资源。为充分利用柔性直流和柔性负荷的调节能力,提出考虑城市电网弹性裕度的柔性直流控制策略。首先,分析了城市电网弹性以及柔性直流协调优化现状,提出基于柔性直流提升城市电网调节能力的思路;然后,给出了城市电网内部可控资源弹性模型,以充分挖掘内部资源的可调能力;最后,提出柔性直流和可调资源协同控制策略,其目标是充分发挥二者优势,进一步提升城市电网整体调节能力,为新型电力系统建设提供支撑。最后,用仿真算例验证了所提方法的有效性。
[1]章锐,于继来.新型城市电网调控体系架构及关键技术[J].中国电机工程学报,2024,44 (S1):97-113.
ZHANG R,YU J L.New urban power grid dispatching and control architecture and key technologies[J].Proceedings of the CSEE,2024,44 (S1):97-113.
[2]ZHANG R,YU J.External tie line power fluctuations smoothing strategy of new urban power grid[J].International Journal of Electrical Power & Energy Systems,2023,153:109289.
[3]ZHANG R,YU J.An orderly power utilization method for new urban power grids facing severe electricity shortages[J].Journal of Modern Power Systems and Clean Energy,2024,12(6):1710-1723.
[4]董宸,吴强,黄河,等.基于免疫算法的电网拓扑结构识别[J].发电技术,2023,44 (1):125-135.
DONG C,WU Q,HUANG H,et al.Power grid topology identification based on immune algorithm[J].Power Generation Technology,2023,44 (1):125-135.
[5]刘洪波,刘珅诚,盖雪扬,等.高比例新能源接入的主动配电网规划综述[J].发电技术,2024,45(1):151-161.LIU H B,LIU S C,GAI X Y,et al.Overview of active distribution network planning with high proportion of new energy access[J].Power Generation Technology,2024,45(1):151-161.
[6]ZHANG R,YU J L,TANG Y,et al.Capacity evaluation of central air conditioning load participating in peak shaving of renewable dominated power systems[J].IET Generation,Transmission & Distribution,2023,17(1):181-199.
[7]ZHANG R,YU J.New urban power grid flexible load dispatching architecture and key technologies[J].Frontiers in Energy Research,2023,11:1168768.
[8]章锐,于继来.电动公交车负荷参与新型城网调峰的能力评估[J].中国电机工程学报,2022,42(S1):82-94.
[9]ZHANG R,YU J.Capacity evaluation of electric bus load participating in peak shaving of new urban power grid[J].Proceedings of the CSEE,2022,42(S1):82-94.贾俊,范炜豪,吕志鹏,等.用于电动汽车集群并网的直流变压器启动研究[J].发电技术,2023,44(6):875-882.
JIA J,FAN W H,LV Z P,et al.Research on startup of DC transformer for electric vehicle cluster grid connection[J].Power Generation Technology,2023,44(6):875-882.
[10]徐睿婕,李智,赵凤伟,等.考虑氢能多元利用与绿证-碳交易机制的虚拟电厂优化调度方法[J].碳中和与新型电力系统,2025,3(1):12-22.
XU R J,LI Z,ZHAO F W,et al.Optimal scheduling method for virtual power plant considering multiple utilization of hydrogen energy and green certificate-carbon trading mechanisms[J].Carbon Neutralization and New Power Systems,2025,3(1):12-22.
[11]郑志文,王明晓,曹春兰,等.基于改进的RBF 神经网络的光储充一体化建筑优化模型的研究[J].碳中和与新型电力系统,2023,1(1):8-13.
ZHENG Z W,WANG M X,CAO C L,et al.Research on optimization model of integrated photovoltaic storage and charging building based on improved RBF neural network[J].Carbon Neutralization and New Power Systems,2023,1(1):8-13.
[12]MAHDAVI N,BRASLAVSKY J H.Modelling and control of ensembles of variable-speed air conditioning loads for demand response[J].IEEE Transactions on Smart Grid,2020,11(5):4249-4260.
[13]SONG M,GAO C,YAN H,et al.Thermal battery modeling of inverter air conditioning for demand response[J].IEEE Transactions on Smart Grid,2017,9(6):5522-5534.
[14]BAHRAMI S,CHEN Y C,WONG V W S.Deep reinforcement learning for demand response in distribution networks[J].IEEE Transactions on Smart Grid,2020,12(2):1496-1506.
[15]覃振坤,李琦芬,苏郭.考虑不同策略的电-气-热-冷综合能源系统多目标优化调度研究[J].碳中和与新型电力系统,2023,1(1):68-73.
QIN Z K,LI Q F,GUO S.Research on multi-objective optimal scheduling of electric-gas-heat-cooling integrated energy system considering different strategies[J].Carbon Neutralization and New Power Systems,2023,1(1):68-73.
[16]VAHEDIPOUR-DAHRAIE M,RASHIDIZADEH-KERMANI H,SHAFIE-KHAH M,et al.Risk-averse optimal energy and reserve scheduling for virtual power plants incorporating demand response programs[J].IEEE Transactions on Smart Grid,2020,12(2):1405-1415.
[17]COFFMAN A R,GUO Z,BAROOAH P.Characterizing capacity of flexible loads for providing grid support[J].IEEE Transactions on Power Systems,2020,36(3):2428-2437.
[18]章锐.新型城市电网参调能力评估与不平衡调度问题研究[D].哈尔滨:哈尔滨工业大学,2024.
ZHANG R.Research on the participation capability assessment and unbalanced dispatching problems in new urban power grid[D].Harbin: Harbin Institute of Technology,2024.
[19]LIU J,HUANG X,LI Z.Multi-time scale optimal power flow strategy for medium-voltage DC power grid considering different operation modes[J].Journal of Modern Power Systems and Clean Energy,2019,8(1):46-54.
[20]SUN K,XIAO H,PAN J,et al.VSC-HVDC interties for urban power grid enhancement[J].IEEE Transactions on Power Systems,2021,36(5):4745-4753.
[21]PAN J Q,NUQUI R,QI L S,et al.Urban power grid enhancement and modernization with VSC-HVDC interties[C]//2020 IEEE/PES Transmission and Distribution Conference and Exposition (T&D).Chicago,IL,USA :IEEE,2020:1-5.
[22]ZHANG L,LIANG J,TANG W,et al.Converting AC distribution lines to DC to increase transfer capacities and dg penetration[J].IEEE Transactions on Smart Grid,2018,10(2):1477-1487.
[23]XIAO J,YI L,BAI L,et al.Key technologies for flexible interconnection in urban power grid and pilot demonstration[J].International Transactions on Electrical Energy Systems,2018,28(8):e2570.
[24]JIANG X,XIAO J,SHE B,et al.Locating and sizing of partition flexible interconnection converter station in large urban power grids[J].IET Generation,Transmission & Distribution,2019,13(21):4830-4841.
[25]ZHANG Y,SHOTORBANI A M,WANG L,et al.Distributed voltage regulation and automatic power sharing in multi-terminal HVDC grids[J].IEEE Transactions on Power Systems,2020,35(5):3739-3752.
[26]刘洪波,刘珅诚,盖雪扬,等.高比例新能源接入的主动配电网规划综述[J].发电技术,2024,45(1):151-161.
LIU H B,LIU S C,GAI X Y,et al.Overview of active distribution network planning with high proportion of new energy access[J].Power Generation Technology,2024,45(1):151-161.
[27]RAHMAN M H,XU L,YAO L.Protection of large partitioned MTDC networks using dc-dc converters and circuit breakers[J].Protection Control Modern Power Systems,2016,1(2):1-9.
[28]ZHANG Y,MENG X,SHOTORBANI A M,et al.Minimization of AC-DC grid transmission loss and DC voltage deviation using adaptive droop control and improved AC-DC power flow algorithm[J].IEEE Transactions on Power Systems,2020,36(1):744-756.
[29]ZHANG Y,WANG L,LI W.Autonomous DC line power flow regulation using adaptive droop control in HVDC grid[J].IEEE Transactions on Power Delivery,2020,36(6):3550-3560.
[30]CHAUDHURI N R,CHAUDHURI B.Adaptive droop control for effective power sharing in multi-terminal DC (MTDC) grids[J].IEEE Transactions on Power Systems,2012,28(1):21-29.
[31]WANG Y Z,WEN W J,WANG C S,et al.Adaptive voltage droop method of multiterminal VSC-HVDC systems for DC voltage deviation and power sharing[J].IEEE Transactions on Power Delivery,2018,34(1):169-176.
[32]ZHANG Y,SHOTORBANI A M,WANG L,et al.A combined hierarchical and autonomous DC grid control for proportional power sharing with minimized voltage variation and transmission loss[J].IEEE Transactions on Power Delivery,2021,37(4):3213-3224.