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    • 59. 发明申请
    • A METHOD FOR OPERATING AT LEAST ONE DISTRIBUTED ENERGY RESOURCE COMPRISING A REFRIGERATION SYSTEM
    • 一种运行至少一个包含制冷系统的分布式能源资源的方法
    • WO2016079686A1
    • 2016-05-26
    • PCT/IB2015/058917
    • 2015-11-18
    • DANFOSS A/S
    • GREEN, Torben
    • H02J3/14F25B5/00
    • H02J3/14F25B5/02F25B49/02F25B2400/06F25B2400/075F25B2400/22F25B2500/19F25B2600/024F25B2600/2513F25B2700/1933F25B2700/2104F25D29/00H02J2003/003H02J2003/143Y02B30/765Y02B70/3225Y02B70/3266Y02B70/3275Y04S20/222Y04S20/242Y04S20/244
    • The invention relates to a method of operating at least one distributed energy resource comprising a refrigeration system (1) with a number of cooling entities, wherein a power consumption information is communicated to a smart-grid setup (SG). According to the invention the method comprises the steps of: - requesting (S0) a power consumption information from the refrigeration system; - transmitting (S1) the power consumption information from the refrigeration system (1), wherein a total amount of power consumption (Pmin, Pmax) of the refrigeration system (1) is provided; wherein: - a cooling capacity (dQ/dt_i) of at least one cooling entity is determined wherein an entity operation condition (CE) of the cooling entity (E1, E2) is taken into account (D1); - a power consumption (W_i) of at least one cooling entity (E1, E2) is determined from the cooling capacity (dQ/dt_i) wherein a performance estimation (COP) of a refrigeration cycle for the cooling entity (E1, E2) is taken into account (D2); - providing (D3) the total amount of power consumption (Pmin, Pmax) as a sum of power consumptions (W_i) of at least the one cooling entity of the number of cooling entities (E1, E2), in particular as a sum of relevant power consumptions of the number of cooling entities (E1, E2), - receiving (S2) at the refrigeration system (1) a power reference (Wref) from the smart-grid setup (SG). The method presented enables power control of a centralized refrigeration system in a smart-grid setup where an aggregator provides the power reference. In addition, the method also enables the refrigeration system to improve determining flexibility margins beyond absolute max./min values of nominal and zero.
    • 本发明涉及一种操作至少一个分布式能源的方法,包括具有多个冷却实体的制冷系统(1),其中功率消耗信息被传送到智能电网设备(SG)。 根据本发明,该方法包括以下步骤: - 从制冷系统请求(S0)功耗信息; - 从制冷系统(1)传送(S1)功耗信息,其中提供制冷系统(1)的总功耗(Pmin,Pmax); 其中: - 确定至少一个冷却实体的冷却能力(dQ / dt_i),其中考虑冷却实体(E1,E2)的实体操作条件(CE)(D1); - 从冷却能力(dQ / dt_i)确定至少一个冷却实体(E1,E2)的功率消耗(W_i),其中冷却实体(E1,E2)的制冷循环的性能估计(COP)为 考虑(D2); - 提供(D3)作为冷却实体的数量(E1,E2)的至少一个冷却实体的功率消耗(W_i)之和的总功耗消耗量(Pmin,Pmax),特别是作为 制冷系统数量(E1,E2)的相关功耗, - 制冷系统接收(S2)(1)智能电网设置(SG)的功率参考(Wref)。 所提出的方法能够在集线器提供功率参考的智能电网设置中对集中式制冷系统进行功率控制。 此外,该方法还使得制冷系统能够改善超出标称值和零值的绝对最大/最小值的灵活性余量。