摘要：【中文】本发明公开了一种输电网优选项目确定系统，包括导入项目资料文件并对其进行解析将解析出的项目资料数据存入数据库；从数据库中读取项目资料数据并计算项目综合成本效益指标；根据项目综合成本效益指标选出优选项目，本方法和系统可以从兼顾成本和效益的角度，对输电网项目进行相对客观的量化判断，优选出性价比高的项目优先实施，从而达到保障输电电网安全稳定运行，支撑经济社会的发展需求，以及保持电网企业可持续发展的目的。 【EN】The invention discloses a power transmission network preferred project determining system, which comprises a database, a data processing module and a data processing module, wherein project data files are imported, analyzed and stored in the database; reading project data from a database and calculating a project comprehensive cost benefit index; the method and the system can carry out relatively objective quantitative judgment on the project of the power transmission network from the perspective of giving consideration to cost and benefit, and preferably select the project with high cost performance to be preferentially implemented, so that the aims of ensuring the safe and stable operation of the power transmission network, supporting the development requirement of the economic society and maintaining the sustainable development of the power network enterprise are fulfilled.

摘要：【中文】本发明公开了一种电网侧储能应急调峰备用能力的评估方法和装置，包括确定电网侧储能的期望电量范围、起始电量点、最大电量、最大充/放电功率以及调度机构提前为电网侧储能安排的发或用电计划；根据发或用电计划和电网侧储能自身的电量及功率约束求出电网侧储能的充/放电可行域；根据电网侧储能每个时段的可行域，对电网侧储能上/下调备用能力进行评估，得到评估结果。本发明提出了在给定发或用电计划下计算电网侧储能运行备用能力的方法，提高了电网的运行效率。 【EN】The invention discloses a method and a device for evaluating the emergency peak shaving standby capacity of energy storage at a power grid side, which comprises the steps of determining an expected electric quantity range, an initial electric quantity point, the maximum electric quantity, the maximum charging/discharging power of the energy storage at the power grid side and a power generation or power utilization plan arranged for the energy storage at the power grid side in advance by a dispatching mechanism; solving a charging/discharging feasible region of the power grid side energy storage according to the power generation or power utilization plan and the electric quantity and power constraint of the power grid side energy storage; and evaluating the up/down standby capacity of the energy storage at the power grid side according to the feasible region of the energy storage at each time interval at the power grid side to obtain an evaluation result. The invention provides a method for calculating the energy storage operation standby capacity of the power grid side under a given power generation or power utilization plan, and the operation efficiency of the power grid is improved.

摘要：【中文】本发明公开了一种多资源频率紧急协调控制方法，电网系统实时统计电网中各项频率紧急控制资源措施量；判断当前电网是否满足频率紧急控制启动条件；在满足启动条件时，判断电网系统损失功率ΔP是否大于频率紧急控制动作门槛值ΔP₁；在电网系统损失功率ΔP大于频率紧急控制动作门槛值ΔP₁时，根据系统有功功率缺额情况，综合采用直流调制、抽蓄切泵、切可中断负荷实现对频率的紧急控制。本发明在保证电网频率可恢复稳定的前提下，最大限度的发挥系统一次调频能力，充分合理的利用各项资源，解决电网低频问题，保证电网安全稳定运行。 【EN】The invention discloses a multi-resource frequency emergency coordination control method.A power grid system counts the resource measure quantity of each frequency emergency control in a power grid in real time; judging whether the current power grid meets a frequency emergency control starting condition or not; when the starting condition is met, whether the power loss delta P of the power grid system is larger than the frequency emergency control action threshold value delta P or not is judged₁(ii) a When the power loss Delta P of the power grid system is larger than the frequency emergency control action threshold value Delta P₁And when the frequency is controlled, according to the shortage condition of the active power of the system, the frequency is controlled emergently by comprehensively adopting direct current modulation, pumping and switching a pump and switching an interruptible load. On the premise of ensuring that the frequency of the power grid can be restored and stabilized, the invention furthest exerts the primary frequency modulation capability of the system, fully and reasonably utilizes various resources, solves the problem of low frequency of the power grid and ensures the safe and stable operation of the power grid.

摘要：【中文】本发明公开了一种计及电力阻塞的能源转型优化方法，包括构建包含多个能源转型目标的目标库，获取满足目标库中给定能源转型目标的多条能源转型路径，构建能源转型路径库；遍历能源转型路径库，在能源转型路径与对应能源转型目标下进行电力阻塞约束风险成本优化，根据电力阻塞约束风险成本最小时的最佳电力转型方案，计算能源转型路径的收益与成本差值；根据据差值最大原则，获取最优能源转型目标和最优能源转型路径。同时公开了相应的系统。本发明在能源转型目标与路径优化中考虑了电力阻塞约束，解决了能源规划与电网运行多时空尺度协调优化问题。 【EN】The invention discloses an energy transformation optimization method considering power blockage, which comprises the steps of constructing a target library comprising a plurality of energy transformation targets, acquiring a plurality of energy transformation paths meeting the given energy transformation targets in the target library, and constructing an energy transformation path library; traversing an energy transformation path library, optimizing the electric power blocking constraint risk cost under the energy transformation path and the corresponding energy transformation target, and calculating the difference value between the income and the cost of the energy transformation path according to the optimal electric power transformation scheme when the electric power blocking constraint risk cost is minimum; and acquiring an optimal energy transformation target and an optimal energy transformation path according to the maximum difference principle. A corresponding system is also disclosed. According to the method, the power blocking constraint is considered in the energy transformation target and path optimization, and the problem of multi-space-time scale coordination optimization of energy planning and power grid operation is solved.