高比例新能源并网对配电网电压稳定构成严峻挑战,而氢能凭借其高密度、零碳排、高热值等优势,可作为新型调压资源主动参与电压控制,有效提升系统电压韧性。因此,提出一种利用电制氢(power to hydrogen, P2H)辅助的配电网主从博弈电压控...高比例新能源并网对配电网电压稳定构成严峻挑战,而氢能凭借其高密度、零碳排、高热值等优势,可作为新型调压资源主动参与电压控制,有效提升系统电压韧性。因此,提出一种利用电制氢(power to hydrogen, P2H)辅助的配电网主从博弈电压控制策略。首先,考虑到配电网运营商、电制氢运营商和储能运营商间的利益冲突,建立P2H参与的主从博弈双层优化模型。以配电网运营商作为领导者,配电网运行成本最小为目标,制定相应的电价补贴,引导电制氢运营商、储能运营商调整自身用电行为,保证配电网的电压稳定性。其次,考虑到实际情况源荷的不确定性,设计了基于拉丁超立方抽样的日内随机优化算法。最后,算例结果表明,所提出的模型能够有效提升配电网电压的稳定性,且配电网运营商总运行成本较不含P2H的场景降低了14.56%,较未设置激励机制的场景降低了5.67%。展开更多
As an advanced device for observing atmospheric winds,the spaceborne Doppler Asymmetric Spatial Heterodyne(DASH)interferometer also encounters challenges associated with phase distortion,par-ticularly in limb sounding...As an advanced device for observing atmospheric winds,the spaceborne Doppler Asymmetric Spatial Heterodyne(DASH)interferometer also encounters challenges associated with phase distortion,par-ticularly in limb sounding scenarios.This paper discusses interferogram modeling and phase distortion cor-rection techniques for spaceborne DASH interferometers.The modeling of phase distortion interferograms with and without Doppler shift for limb observation was conducted,and the effectiveness of the analytical expression was verified through numerical simulation.The simulation results indicate that errors propagate layer by layer while using the onion-peeling inversion algorithm to handle phase-distorted interferograms.In contrast,the phase distortion correction algorithm can achieve effective correction.This phase correction method can be successfully applied to correct phase distortions in the interferograms of the spaceborne DASH interferometer,providing a feasible solution to enhance its measurement accuracy.展开更多
针对传统配电网电压控制方法存在的调节资源有限、调控成本较高、响应速度较慢等问题,提出一种利用电制氢(power to hydrogen,P2H)辅助的两阶段电压随机优化控制策略。首先,在建立P2H装置在内的调压设备运行约束以及配电网线路约束的基...针对传统配电网电压控制方法存在的调节资源有限、调控成本较高、响应速度较慢等问题,提出一种利用电制氢(power to hydrogen,P2H)辅助的两阶段电压随机优化控制策略。首先,在建立P2H装置在内的调压设备运行约束以及配电网线路约束的基础上,建立了考虑电解制气收益的日前-日内两阶段电压优化控制模型。其次,针对分布式能源出力和负荷需求日内短时扰动引发的电压波动甚至越限问题,基于拉丁超立方抽样与Kantorovich距离削减技术构建了配电网典型运行场景,并以各场景下日内阶段目标函数期望最小为目标求解电压控制策略。算例结果表明,所提方法相比于不考虑P2H辅助的常规电压控制方案,有效避免了电压越限问题,并且总控制成本降低了26.43%。展开更多
文摘高比例新能源并网对配电网电压稳定构成严峻挑战,而氢能凭借其高密度、零碳排、高热值等优势,可作为新型调压资源主动参与电压控制,有效提升系统电压韧性。因此,提出一种利用电制氢(power to hydrogen, P2H)辅助的配电网主从博弈电压控制策略。首先,考虑到配电网运营商、电制氢运营商和储能运营商间的利益冲突,建立P2H参与的主从博弈双层优化模型。以配电网运营商作为领导者,配电网运行成本最小为目标,制定相应的电价补贴,引导电制氢运营商、储能运营商调整自身用电行为,保证配电网的电压稳定性。其次,考虑到实际情况源荷的不确定性,设计了基于拉丁超立方抽样的日内随机优化算法。最后,算例结果表明,所提出的模型能够有效提升配电网电压的稳定性,且配电网运营商总运行成本较不含P2H的场景降低了14.56%,较未设置激励机制的场景降低了5.67%。
文摘As an advanced device for observing atmospheric winds,the spaceborne Doppler Asymmetric Spatial Heterodyne(DASH)interferometer also encounters challenges associated with phase distortion,par-ticularly in limb sounding scenarios.This paper discusses interferogram modeling and phase distortion cor-rection techniques for spaceborne DASH interferometers.The modeling of phase distortion interferograms with and without Doppler shift for limb observation was conducted,and the effectiveness of the analytical expression was verified through numerical simulation.The simulation results indicate that errors propagate layer by layer while using the onion-peeling inversion algorithm to handle phase-distorted interferograms.In contrast,the phase distortion correction algorithm can achieve effective correction.This phase correction method can be successfully applied to correct phase distortions in the interferograms of the spaceborne DASH interferometer,providing a feasible solution to enhance its measurement accuracy.
文摘针对传统配电网电压控制方法存在的调节资源有限、调控成本较高、响应速度较慢等问题,提出一种利用电制氢(power to hydrogen,P2H)辅助的两阶段电压随机优化控制策略。首先,在建立P2H装置在内的调压设备运行约束以及配电网线路约束的基础上,建立了考虑电解制气收益的日前-日内两阶段电压优化控制模型。其次,针对分布式能源出力和负荷需求日内短时扰动引发的电压波动甚至越限问题,基于拉丁超立方抽样与Kantorovich距离削减技术构建了配电网典型运行场景,并以各场景下日内阶段目标函数期望最小为目标求解电压控制策略。算例结果表明,所提方法相比于不考虑P2H辅助的常规电压控制方案,有效避免了电压越限问题,并且总控制成本降低了26.43%。
