Besides the countermeasure of effective supervision and constraints over the sub-college, it is also analyzed to prevent from the unbalance of power and negative results.
同时，重点分析了对二级学院进行有效监督和制约的对策，防止学校在管理中出现权力的失衡以及由此造成的不良后果。
The SVC can not only compensates the reactive power, but also dish the negative sequence current produced by the unbalance loads, which mostly depend on the control scheme.
静止无功补偿器(SVC)在补偿负荷无功的同时，还具备补偿三相负荷不平衡的能力，其关键在于SVC所采取的控制策略。
At present, our country power quality national standard was chiefly stipulated five quotas: frequency, harmonic and voltage deviation, three-phase unbalance and the voltage fluctuation and flicker.
目前我国电能质量国家标准主要规定了五个指标：频率、谐波、电压偏差、三相不平衡及电压波动与闪变。
The cause of output power unbalance between paralleled inverters is analyzed.
分析了逆变器并联时，各模块输出功率不平衡的原因。
The characteristic of the torque and power loses are analyzed under the performance of unbalance operation, a current balance control method is brought forward and the experimental results are given.
分析了该电机工作在各种不平衡状态下的转矩与功率损耗的特性，提出了一种电流均衡控制方法，并且给出了试验结果。
Three unbalanced phase loads varies randomly to lead to three phases unbalance in low voltage distribution system, which brings a series of problems on power grid.
在电网中，三相负荷随机变化，产生三相不平衡，从而给电网带来了一系列的问题。
When reactive power is unbalance, it will cause some problems, such as lower voltage, worsen voltage quality, lower power factor and increase line loss.
当无功功率不平衡时，将会导致系统电压降低、电能质量下降、功率因数降低、线损增加等问题。
It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.
它涵盖五个方面：供电电压允许偏差、公用电网谐波、三相电压不平衡度、电力系统频率允许偏差、电压允许波动和闪变。
The results have shown that the torque tube unbalance is not a key factor in high speed dynamic balance, but effects the power shaft.
结果表明：测扭基准轴的不平衡量虽然不是转子高速动平衡的决定性因素，但影响到传动轴的动平衡。
The torque tube unbalance of turboshaft power turbine rotor is investigated and a test method for estimating the unbalance is introduced with high speed dynamic balance test.
对涡轴发动机动力涡轮转子测扭基准轴的不平衡量进行了研究，提出了一种通过高速动平衡试验估算出测扭基准轴不平衡量的试验方法。
The key reason for losing control of administrative power is the unbalance between administrative supervision regulations and power framework.
行政权失控的关键原因是行政监督制度与权力结构失衡。
Based on this requirement, this paper introduced the theory of power quality monitoring, include RMS of voltage and current, power, three-phase unbalance, harmonic and flicker.
在此基础上研究了电能质量监测理论，详细介绍了电压电流有效值、功率、三相不平衡度、谐波和闪变的数字测量方法。
The definition and national standard of three-phase unbalance in power system were expatiated.
三相负荷不平衡以及系统元件三相参数不对称都会引起电力系统三相不平衡。
Several issues of power quality are presented, including harmonics, reactive power, three phase unbalance, large difference between peak load and vale load, voltage disturbance and so on.
第一章简单介绍了目前电网存在的几种问题，包括谐波问题、无功问题、三相不平衡问题、用电峰谷差过大的问题以及电压异常、断电问题等；
Three unbalanced phase loads varies randomly to lead to three phases unbalance in middle and low voltage distribution system, whi ch brings a series of problems on power grid.
在中低压配电网中，三相负荷随机变化，产生三相不平衡，从而给电网带来了一系列的问题。
How to deal with three-phase unbalance compensation and how to filter the low-order harmonics, especially the2nd-order, are the two difficulties for reactive power compensation.
无功补偿的难点在于如何补偿三相不平衡以及如何有效地滤除低次谐波，尤其是2次谐波。
Establish the fuzzy set based on modulus component, three phases and residual current, which can distinguishing unbalance faults from power swing rapidly and reliably.
建立了基于模分量大小和三相及零序电流大小的模糊数学模型，能快速准确的识别振荡中发生的不对称故障。
Different control laws of AMB (Active Magnetic Bearing) based on rotor dynamics and AMB control model are discussed, considering the power-amplifier delay, rotor unbalance and AMB nonlinear factors.
以刚体动力学为基础，考虑功放延时、转子不平衡、磁轴承非线性等因素，建立了磁轴承反馈控制控制系统模型，对不同的控制律进行了仿真分析。
Voltage unbalance of three phase ac distribution systems adversely affects power customers.
配电系统三相电压的不对称会对用户造成一系列不利影响。
It is important to provide balancing compensation for shock load because of the severe voltage fluctuation and 3-phase unbalance imposed on power supply system by it.
冲击性负荷会引起供电系统严重的电压波动和三相不平衡，对其进行平衡化补偿具有重要的意义。
Voltage sag is a crucial power quality problem. Due to the unbalance fault present in occurrence of sags, it is more complicated to deal with the unbalanced voltage sag.
电压暂降作为一种电能质量问题，由于不对称故障的存在，使处理不对称电压暂降变得复杂。
Voltage sag is a crucial power quality problem. Due to the unbalance fault present in occurrence of sags, it is more complicated to deal with the unbalanced voltage sag.
电压暂降作为一种电能质量问题，由于不对称故障的存在，使处理不对称电压暂降变得复杂。
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