地震反演程序inversion

为实现电池储能装置的双向DC-DC变换器，本系统以buck-boost拓扑电路(Battery Energy Storage, Bidirectional DCDC)

用PQ分解法实现潮流计算，程序已调试，打开即可用，学校课设必备(Realization of Power Flow Calculation by PQ Decomposition Method)

说明：  基于PSCAD软件，对变压器的物理模型进行建模，供大家学习(Based on PSCAD software, the physical model of transformer is modeled for everyone to learn.)

微电网系统。 1111111111111111111111111111111(Micro-grid systems. 1111111111111111111111111111111)

异步电机速度、电流、磁链闭环控制，电流控制采取滞环控制，动态跟踪效果较好。(The closed-loop control of speed, current and flux of induction motor and hysteresis control of current control have good dynamic tracking effect.)

This is modulation of windfarm Doubly Fed Induction Generator using PSCAD.

区域综合能源系统中热-电联合建模，通过使用扩展牛顿拉夫逊算法进行统一求解，同时得出系统内热力系统和电力系统的状态参数。(The joint thermal-electrical modeling of regional integrated energy system is solved by using the extended Newton-Raphson algorithm, and the state parameters of the thermal system and the power system in the system are obtained.)

大型风电场接入电网的稳定性问题研究,希望对大家有点启发( the problems of Large wind farms connected to the grid stability)

说明：  用拟牛顿法求非线性方程组 fi( x1, x2, ?, xn ) = 0, i = 1, 2, ?, n 的一组实数解。(A quasi-Newton method is used to find a set of real solutions of the nonlinear equations.)

双向DC/DC控制器研究 日照区时，光伏发电系统提供负载能量，同时多余的能量通过DC 给蓄电池充电；日影区时，蓄电池通过DC给负载提供能量。(Bidirectional DC/DC controller of photovoltaic power generation system Rizhao area, providing load energy, the excess energy through the DC to charge the battery the shadow area, the load is supplied by battery energy DC.)