查询词典 balance of power

Aiming to characteristic of 3-phase to 2-phase power supply based on balance transformer, a new current balance compensation method utilizing inverter is proposed, which is mainly used to compensate negative sequence current .

从而使平衡变压器两相侧的输出电流对称，消除平衡变压器三相侧产生负序电流的条件，达到三相电流对称的目的。

Since the voltage not only has relationship with both the reactive power and the balance of reactive load, but also relies on the structure of network and capability of voltage regulation, the system takes all the factors above into consideration and adopts the methods as follows: realizing grading control and management according to the voltage level and region partition, realizing jointly regulation and information pool by the application of advanced software in local and central station, realizing the optimal control of reactive voltage based on the measurement data from the regulative automation system and the angle of the whole system, realizing the exact application of reactive compensator and the on-load tap appropriate changer for voltage regulation transformers , and realizing the balance of reactive voltage in local site.

随着调度自动化系统的日益普及，以及越来越多的电网中的有载调压分接开关和电容器补偿装置投入使用，本课题研究开发基于分级递阶的地调/中心站模式无功电压控制系统，由于电压既与无功功率和无功负荷平衡有关，又与电网结构、调压能力有关，所以系统考虑电压等级、按区域实施分级控制、分级管理，利用中心站和地调的电力系统高级应用软件的作用实现众多装置的联合调整，信息共享。

Power balance is necessary to ICF, including the energy balance and pulse shape uniformity at the target.

功率平衡作为对称性惯性约束聚变的必要条件，它是指多路激光脉冲到靶点的精确同步、能量平衡且波形一致，即瞬时功率平衡。

The application that passes the power distribution geographical information system, GIS can be right, overall, various resource information of the in due course acquisition electric power business, and take in to refine, analysis, tender gist of relief the decision - making for the handler and decision maker of the electric power business, guarantee the electric power network safety thus and operate efficiently, and for more the multiuser tender a perfect thoughtful service of a fortiori.

通过配电地理信息系统的应用能够正确、全面、及时地获取电力企业的各种资源信息，并加以提炼、分析，为电力企业的管理者和决策者提供辅助决策的依据，从而保障电力网络安全、高效地运作，以及为更多用户提供更加完善周到的服务。

This dissertation gives a special research in microcomputer relay protection for power transformer of 110kV or below voltage ratings, which based on widely summarizing the theory of power system relay protection and its advanced trend. After analyzing the working character of the transformer in details and absorbing the advantages in other power transformer protection, a scheme which is fit to power transformer of 110kV or below voltage ratings is put forward.

本文在全面介绍和评述电力系统微机保护原理及其发展趋势的基础上，对电力系统中大量应用的110kV及以下各电压等级的变压器保护进行了专门研究，根据这一类电力变压器的运行特点，吸取以往各种保护方法的长处，提出了这类电力变压器保护方案。

By building the low frequency model of the system, in the rectifying mode and regenerating mode, the dynamic adjusting procedure of realization for unity power factor, absorbing or regenerating capacitive reactive power, inductive reactive power from or to power grid are investigated.

通过建立系统低频数学模型，分别在顺变和逆变状态下，探讨系统实现单位功率因数、从电网吸收或回馈容性、感性无功功率的动态调节过程。

SP Series Static Phase Advancers qre on-site reactive power comprnsating devices that our company has developed fo large power three-phase winding asynchronous motors.A phase advancer is wired in the circuit of motor rotor to increase power factor of the motor,decrease stator current, lower the olss of lowvoltage motor and power transmission lines,so as to achieve the goal of energysaving.

南通新业电子 HPX静止式进相器 HPX static phase advancer 概述 General Description HPX静止式进相器是本公司专为大功率三相绕线式异步电动机研制的就地无功率补偿装置，它串接于电机的转子回路，用以提高电机的功率因数，减小定子电流，降低电机和输电线路的损耗，从而达到节能降耗目的。

Based on mechanism and vehicle theories theoretical analysis is pursued and normal driving conditions are put forward. The relations are analyzed between load distribution and power consumption. Mechanical formula is proposed. Furthermore in this paper the theoretical model of the total power consumption is established, and the relations of the total minimized power consumption with the air-cushion pressure and the fan revolution are discussed. The optimum operation point is put forward. The dynamic digital simulation studies are carried out on the operating procedure of the half-track air-cushion vehicle on soft terrain. Mechanical parameters and soil mechanics characteristics affecting vehicle power consumption and riding performance are analyzed. At the same time according to the model formula, the automation control problem is discussed. It is a theoretical instruction for further automation control.

本文还从力学和车辆原理的角度进行了理论分析，推导了半履带式气垫车的需求功率及正常行驶条件，研究了气垫压力和功率消耗之间的关系，提出了力学模型公式；建立了半履带式气垫车总功率消耗的理论模型，研究了最小功率消耗时功率与垫压及表征气垫车行驶状态的各参数的关系，分析了相应的影响因素，并提出了最佳工作状态的定义；同时进行了半履带式气垫车在软地面的行驶过程的动态数字仿真试验研究工作，对影响车辆功率消耗和行驶平顺性的各力学参数和土壤参数进行了分析，得到了各运行状态参数的变化规律，验证了最佳工作状态和最佳垫压的理论，根据力学模型公式对进一步的自动控制问题进行了探讨，为系统的控制提供了理论指导。

To overcome the shortcomings of existing algorithms, the distributed parallel reactive power optimization algorithm based on sub-area division of the power systems is proposed according to the distributed and decentralized characteristics of the power system. Here, multi-objective function and soft constraints are modeled using fuzzy sets, and the multi-objective reactive power optimization problem is solved by the direct nonlinear primal-dual interior point algorithm.

针对目前无功电压优化算法存在的不足，根据电力系统分布、分散的特点，提出了基于电网分区的分布式并行无功优化算法，并对其进行了多目标、软约束的模糊化处理和离散控制变量的罚函数处理，利用直接非线性原—对偶内点法寻优求解。

DYS522 sites examine proptosis 5 discrimination power with personal allele,allelomorph to 0.6495,the excluding probability of paternit is;DYS508 sites examine proptosis 6 discrimination power with personal allele, allelomorph to 0.7006,the excluding probability of paternit is;DYS632 sites examine proptosis 3 discrimination power with personal allele,allelomorph to 0.5224,the excluding probability of paternit is;DYS556 sites examine proptosis 6 discrimination power with personal allele,allelomorph to 0.7454,the excluding probability of paternit is.

DYS522基因座共检出5个等位基因9～13，频率分布范围0.0447-0.5075，11频率最高(0.5075)，DP值为0.6495；DYS508基因座共检出6个等位基因8～13，等位基因频率分布范围0.0149～0.4030，11频率最高(0.4030)，DP值为0.7006；DYS632基因座共检出3个等位基因10～12，等位基因频率分布范围0.0149～0.4926.11频率最高(0.4926)，DP值为0.5224；DYS556基因座共检出6个等位基因9～14。等位基因频率分布范围0.0149～0.3433，9频率最高(0.3433)，DP值为0.7454。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。