摘要：【中文】本发明公开了一种适应波动电源及直流送受端电压安全的控制方法及系统，将直流的功率调整量分配到送端的各个新能源场站，通过拉丁超立方采样对各新能源场站状态进行采样，采用Cholesky分解法降低采样矩阵的相关性，并利用优化潮流计算工具对每一组抽样进行计算验证，通过设置合格率门槛值判断下一时刻的运行方式是否符合安稳需求。对于低于合格率门槛值的运行方式，设置电压灵敏度门槛值，将新能源场站聚类，通过对各新能源场站出力的再分配，实现兼顾电压安全的提升直流外送的安全控制决策方法。本发明通过拉丁超立方采样，并基于Cholesky分解法降低采样矩阵的相关性，工程实用性得到了提升。 【EN】The invention discloses a control method and a control system for adapting to voltage safety of a fluctuating power supply and a direct current receiving terminal, wherein the power adjustment quantity of the direct current is distributed to each new energy station of a sending terminal, the state of each new energy station is sampled through Latin hypercube sampling, the correlation of a sampling matrix is reduced by adopting a Cholesky decomposition method, each group of samples is calculated and verified by utilizing an optimized power flow calculation tool, and whether the operation mode at the next moment meets the requirement of stability is judged by setting a qualified rate threshold value. And for the operation mode lower than the qualified rate threshold value, setting a voltage sensitivity threshold value, clustering the new energy stations, and reallocating the output of each new energy station to realize the safety control decision method for improving the direct current delivery considering voltage safety. According to the invention, through Latin hypercube sampling and based on a Cholesky decomposition method, the correlation of a sampling matrix is reduced, and the engineering practicability is improved.

摘要：【中文】本发明公开了一种应用于电网的源网荷储协调控制方法、装置及系统，包括基于当前地区电网运行状态、有功实时计划和负荷预测，计算出相关参数；获取相关信息；获取优化模型，所述优化模型以地区电网运行效益最大化为优化目标，以可控设备的有功调节约束，地区电网对外联络支路总有功约束，地区电网有功平衡约束和地区电网内输电设备过载约束及输电通道有功限额约束为约束条件；基于所述相关参数和所述相关信息，求解优化模型，获得参与控制设备的有功控制指令值，并将有功控制指令值发送至对应的设备。本发明以地区电网运行效益最大化为优化目标，计及用户的控制意愿和控制代价，实现了源网荷储的柔性互动控制。 【EN】The invention discloses a source network load storage coordination control method, a source network load storage coordination control device and a source network load storage coordination control system applied to a power grid, wherein relevant parameters are calculated based on the current regional power grid operation state, an active real-time plan and load prediction; acquiring related information; obtaining an optimization model, wherein the optimization model takes the operation benefit maximization of a regional power grid as an optimization target, and takes the active regulation constraint of controllable equipment, the total active constraint of the regional power grid on an external connection branch, the active balance constraint of the regional power grid, the overload constraint of power transmission equipment in the regional power grid and the active limit constraint of a power transmission channel as constraint conditions; and solving an optimization model based on the relevant parameters and the relevant information, obtaining an active control instruction value of the participating control equipment, and sending the active control instruction value to the corresponding equipment. The method takes the operation benefit maximization of the regional power grid as an optimization target, considers the control will and the control cost of the user, and realizes the flexible interactive control of the source power grid load storage.

摘要：【中文】本发明公开了一种考虑性能分布特性的电网发电有功控制方法及系统，所述方法包括：获取电网运行状态、场站综合性能指标、场站有功控制空间、监控设备/通道有功限额和有功备用限额；通过引入惩罚因子将参与发电有功控制优化决策的场站有功与综合性能指标之比的均值和均方差二者的加权和最小作为优化目标，根据场站、负荷和对外联络线有功对监控设备/通道的有功灵敏度，计及场站有功控制空间、电网有功平衡、监控设备/通道有功限额和有功备用限额约束，获取场站有功控制指令值，实现对场站的有功控制；本发明综合考虑了场站综合性能指标的分布特性，兼顾电网企业和发电企业对有功控制的不同需求，更加切合多能源电力系统发电有功控制的实际。 【EN】The invention discloses a power generation active control method and system of a power grid considering performance distribution characteristics, wherein the method comprises the following steps: acquiring a power grid operation state, a station comprehensive performance index, a station active control space, a monitoring device/channel active limit and an active standby limit; taking the weighted sum of the mean value and the mean square error of the ratio of the station active power and the comprehensive performance index participating in the power generation active power control optimization decision as an optimization target by introducing a penalty factor, calculating the active power control space of the station, the active power balance of a power grid, the active power limit and the active reserve limit constraint of the monitoring equipment/channel according to the station, the load and the active power sensitivity of the external tie line active power to the monitoring equipment/channel, and acquiring the active control instruction value of the station to realize the active power control of the station; the invention comprehensively considers the distribution characteristics of the comprehensive performance indexes of the stations, considers the different requirements of the power grid enterprises and the power generation enterprises on active control, and is more suitable for the actual active control of power generation of the multi-energy power system.