摘要
针对船舶直流组网系统储能用双向DC-DC变流器模块间、DC-DC变流器与船载柴油发电机变流器间功率分配/转移策略,以及DC-DC变流器与岸上直流供电网的平滑并/离网等不同模式的运行需求,提出了一种基于P-V和SOC-I双下垂控制的DC-DC变流器控制方法,其采用Buck-Boost双模式切换方式实现DC-DC变流器对储能电池组的充放电双向运行控制,并基于载波移相调制减小多重化DC-DC变流器并联输出纹波。最后,通过仿真验证了该双下垂控制策略的可行性。
Aiming at the requirements of precise power distribution/transfer between bi-directional DC-DC converters,DC-DC converter and diesel generator converter,as well as connected/islanded seamless transition with onshore DC-grid,it proposed a P-V and SOC-I based dual-droop control method for DC-DC converter.Buck-Boost dual-mode is employed to implement the bi-directional operation control of the energy storage batteries,and carrier phase-shift modulation can reduce the parallel-output current ripples of the multiple DC-DC converter.Simulation results verify the feasibility of the dual-droop control strategy.
作者
徐戎
王跃
潘高峰
洪学武
邓建华
赵海斌
XU Rong;WANG Yue;PAN Gaofeng;HONG Xuewu;DENG Jianhua;ZHAO Haibin(China Merchants Cruise Manufacturing Co.,Ltd.,Nantong,Jiangsu 226116,China;CRRC ZIC Research Institute of Electrical Technology&Material Engineering,Zhuzhou,Hunan 412001,China;Shanghai CRRC Hange Marine&Offshore Engineering Co.,Ltd.,Shanghai 200082,China)
出处
《控制与信息技术》
2020年第3期73-76,92,共5页
CONTROL AND INFORMATION TECHNOLOGY
关键词
船舶直流组网
功率分配/转移
变系数下垂控制
载波移相
双向DC-DC变流器
储能变流器
onboard DC-grid
power distribution/transfer
variable parameter droop control
carrier phase shift
bi-directional DC-DC converter
energy storage converter
