为分析变压器在端口电压约束下的电磁过程，本文研究了三维电磁场的场路耦合问题。
In order to analyze electromagnetic processes of transformers under constraints of port voltages, the coupled field circuit problem of 3d electromagnetic field is studied in the paper.
值得指出的是，不适当的节点补偿容量范围以及苛刻机械的电压约束会增加计算负担并进而影响解的质量。
It is worth pointing that the unreasonable compensation capacities and the harsh constraints of nodes 'voltage may increase the calculation burden and affect the solution quality.
利用这一模型，针对含有大型风电场的输电系统，对其静态电压稳定约束条件下的最大输电能力(TTC)展开研究。
Based on the proposed model, total transfer capability (TTC) of power system containing large-scale wind farms is investigated under the constraint condition of static voltage stability.
提出一种用多层压电片和约束阻尼层在低控制电压下进行结构振动的杂交阻尼控制方式。
An active and passive hybrid damping control manner with lower voltage is proposed through both multiple piezoelectric patches and constrained damping layer for suppressing structural vibration.
暂态电压跌落限制可以考虑为对故障后电力系统的一个约束。
The restriction of transient voltage dip is a constraint on post fault power system.
如何准确地确定在电压稳定性等复杂约束条件下的系统输电能力，成为了当今电力系统界所面临的急待解决的研究课题。
How to calculate the power system transmission capability in complicated voltage stability constraint conditions exactly becomes a desirable study problem in the power system nowadays.
基于粒子群优化算法(PSO)，提出一种求解含动态电压安全约束的预防控制新方法。
A particle swarm optimization (PSO) technique based novel approach for solving the dynamic voltage security constrained preventive control problem is proposed.
针对分布式电源准入容量计算的问题，提出了考虑电压调整约束后的准入功率优化计算模型。
An optimization method is proposed for computing the maximum penetration level of multiple distributed generators, taking into account voltage regulation constraints.
本文用节点法分析了含理想电压源的网络，从网络的不含源导纳矩阵获得了含源网络的约束导纳矩阵以及节点短路电流源向量的公式。
Explicit formulas for the constraint admittance matrix and the nodal short-circuit current source vector of networks containing ideal voltage sources are derived by nodal approach.
本文重点讨论在静态电压稳定性约束下的系统输电能力计算问题。
The calculating problem of the power system transmission capability in constraint conditions of steady-state voltage stability is discussed in this paper.
考虑感应电机定子绕组接线的不对称情况，推导出电机端电压的约束条件。
The limit conditions for the end voltage of the induction machine are derived, according to the asymmetric condition of the machine stator winding.
利用模糊建模方法处理可松弛约束的能力，提出一种估计电力系统电压安全成本的新方法。
A new method to evaluate voltage security cost is presented using the capability of fuzzy modeling method in dealing with relaxed constraints.
传统的无功优化通常考虑的仅仅是提高电网的电压质量和降低网损，当系统的传输容量有足够的裕度时，这种只考虑经济效益和基本运行约束的做法是适当的。
The general reactive power optimization is only to reduce the loss of the system and improve the quality of voltage, which is suitable when system has enough power capability.
通过满足暂态电压安全约束的无功发电调节与切负荷总代价最小化问题，来表示暂态电压安全风险。
Transient voltage risk can be calculated by optimizing the total cost for generator adjustment and load shielding under restrictions of transient security.
计及静态电压稳定约束导致该模型的计算量增加了，文章最后对提高该模型计算速度的方法进行了探讨。
Due to considering the constraints of static voltage stability, the calculation amount of the built planning model is increased, so the method to speed up the calculation is discussed.
输出电压的特点是根据插槽潜力的星图，分析和电枢绕组的设计约束。
Characteristic of output voltage is analyzed according to the star graph of slot potential, and the design constraints of armature windings are provided.
根据检测电压的约束条件，求解了其可行范围。
The sensing voltage range was also computed under the restriction.
因此，在应用连续潮流法计算负荷裕度和临界电压时应考虑平衡节点发电机无功约束问题。
So, the problem of reactive power constrains of generator at slack bus should be considered when calculating the load margin and critical voltage by using the method of continuation power flow.
在电动机实际工作的电压和电流约束条件下，提出了多相永磁电动机的一种最佳转矩控制方法，该方法能够使电动机在给定的控制电流下获得最大的输出转矩。
Under the actual operation lim its of motor voltage and current , a high-efficiency optimum torque control met hod for poly-phase PMSM is proposed.
县级电网的电压无功控制问题是一个多约束条件、多变量、非线性的复杂数学规划难题。
Reactive power optimization control in county power system is a great complex nonlinear mathematical programming problem, which has many variables and large constrains.
下层问题求解某个负荷变化方向上的最大负载裕度，上层问题考虑负荷变化方向的约束，寻找最近的电压稳定临界点。
The lower-level problem is to maximize the loading margin under a load change direction and the upper-level problem is to find the closest critical point subject to the constraints of load change.
新模型中还引入了电压稳定约束以确保系统的电压稳定性。
The new model also introduced the voltage stability condition in order to ensure the stability of the system is running.
新模型中还引入了电压稳定约束以确保系统的电压稳定性。
The new model also introduced the voltage stability condition in order to ensure the stability of the system is running.
应用推荐