查询词典 balance in power

From energy balance equation, using micro-piece analytical method, heat balance equation for high power fast axial flow CO〓 laser tube is established with the boundary conditions of actual fast axial CO〓 laser, the analyzed solution of the temperature distribution in the laser tube is obtained.

并应用热传导的物理边界条件，求出了热能平衡方程的解析解，得到了实际器件放电管横截面内的气体温度分布公式及温度分布曲线，并求得了激光功率变化对热致负透镜焦距的影响关系式。

In this paper, we focused on the Thermal Power Generator unit commitment optimization. A mathematical model is presented and consuming minimization of generator is chosen for its objective function, with the power balance, generation capacity limits, maximum allowable start and stop times limits and time limits taken into consideration. The unit commitment optimization is constrained minimization problem.

本文主要对火电机组优化组合问题进行了研究，提出了机组优化组合的数学模型，该模型以发电总成本最小为目标函数，同时考虑了功率平衡约束、机组输出功率上、下限约束，机组最大允许启停次数和时间约束等约束条件。

In this article, with pointing out that the result of the current calculation model is deficient in the similarity, it has deduced the numerical regulation of the variation of the elements including q ,γ andτ in the steam-water distribution matrix equation when the terminal temperature difference exits in the heater via the power balance equation, and combining with the power equation and boiler absorbed heat equation, the precise calculation model for the impact of heater terminal temperature difference on heat economy of unit is then derived.

指出现有计算模型结果具有近似性的不足，本文通过加热器能量平衡方程推导出加热器有端差时汽水分布方程中q 、γ和τ元素数值的变化规律，然后结合功率方程和吸热量方程得到加热器端差对机组热经济性影响的精确计算模型。

The present work solves the ELD problem with Lineflow constraints through effective appli- cation of GA, considering the system transmission losses, power balance equation as the equality constraint, limits on the active power generations of the units and limits on currents in different lines as the inequality constraints. Two test systems, i.e.

目前的工作，解决了在ELD 问题lineflow的限制，通过有效的应用-阳离子遗传算法，考虑到该系统的传输损耗，权力的平衡方程作为等式约束，限制，有源电力几代人的单位和限制电流在不同的线路（ lineflow限制）作为不等式约束。

Audio Noise gate, Also has operates the smoothest restoration characteristic automatically, Independent LED demonstrated, Automatic, normal work way, input, power take-off valve, certainly is your best choice, the stereo sound balance, the non-balanced input, the balanced output, the insertion point and in the standard 1U structure sets at the power source, suits your project installment.

audio噪声门电路，还有自动运算最平滑的恢复特性，独立的LED显示，自动、正常工作方式，输入、输出开关，一定是您的最佳选择，立体声平衡、非平衡输入，平衡输出，插入点和标准的1U结构内置电源，更适合您的工程安装。

It is required in these models that the revenge of trust transactions must be greater than that from strategic bid in electricity market, and some constraints such as revenges of trust transaction participants, power limitations of transmission lines, power balance of the whole net, quantities of trust t.

在这 2个模型中，要求委托交易的收益应大于在电力市场中策略性竞标的收益，同时考虑了委托交易公司收益、输电线路功率限制、整个电网的功率平衡和委托交易电量等因素的约束条件，给出了委托交易公司和受委托交易公司的成本函数。

In order to minimize reactive power transmission losses, improve the efficiency of power transmission and distribution equipment, reactive compensation equipment configuration, should be in accordance with the "classification of compensation, local balance" principle, reasonable layout

为了最大限度地减少无功功率的传输损耗，提高输配电设备的效率，无功补偿设备的配置，应按照&分级补偿，就地平衡&的原则，合理布局。

Normal Open Type A unique application of the direct-acting valve structure, when power to the electromagnetic coil when the head is located in the coil around the core component may generate a static magnetic, gravity and Balance valves magnetic components to overcome the stem return spring will be moving core, together with the elastic Stem components suck up with effect, so that even in the solid components of the valve stem disc closely aligns closely with the valve seat and seal, the valve closed; power, the valve plate in the return spring and the stem components of gravity under restoration in situ, the valve opening, pipeline back to normal ventilation.

常开型 阀门应用独特的直动式结构，当给电磁头的线圈通电时，位于线圈周围的静铁芯组件便产生磁性，磁力克服阀杆组件重力和回位弹簧弹力后将动铁芯连同阀杆组件向上吸起，从而使固连在阀杆组件上的阀盘与阀座紧密贴紧而密封，阀门关闭；断电后，阀盘在回位弹簧及阀杆组件重力作用下恢复原位，阀门开启，管道恢复正常通气。&Gas solenoid valve works &是由中国电磁阀网提供的国际阀门新闻，译文仅供参考。另外，中国电磁阀网还提供相关产品搜索：电磁阀型号、电磁阀价格、电磁阀技术、电磁阀新闻、电磁阀生产商等。

The principle of the novel single-phase hybrid active power filter is described in detail. Based on the above analysis, Kalman filtering approach for estimation of harmonics is presented to improve the speed and precision of harmonic detection, and it also can avoid the influence made by voltage distortion on harmonic detection. A new current control strategy based on energy balance is presented to regulate the active part absorbing or releasing active power and control the inverter to produce current opposite to the harmonic current reflowing in injection branch, the above method combined with harmonic current tracking control that keeps the stabilization of dc-side voltage and improve the reliability of the system.

并详细分析了系统的滤波原理，提出了基于卡尔曼增益自调整的改进型动态谐波含量估计方法，能够快速准确的跟踪检测电网谐波电流，并且克服了电力机车等冲击性负荷引起的电网电压畸变对谐波检测精度的影响；提出了基于逆变器两侧能量平衡的电流控制方法使有源部分吸收或释放一定有功或无功功率及产生与注入支路回灌谐波电流相反的抑制电流，然后联合电网谐波电流跟踪控制以获得系统参考信号，保证了直流侧电压的稳定，提高了装置可靠性，增强了系统滤波性能。

It embodies the principle and spirit of the separation power system in America, and maintains the power in balance.

本文着重论述美国弹劾制度起源与发展、弹劾罪的构成、弹劾程序以及弹劾与政治斗争的关系。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。