在此基础上分析线路塔型、导线参数、相序排列等因素对不平衡电流的影响。
On this basis, the influences to unbalance current of line tower type, wire parameters and phase sequence arrange are analyzed.
传统零差保护均使用高阻继电器，高阻继电器有很高的避越不平衡电流的能力。
Traditionally REF adopts a high resistance relay with very high ability for overcoming the imbalance current.
监视器的保护功能不受线路或负载的电流大小，冲击电流、不平衡电流和负载性质的影响。
The protection functions of relay don't be affected by current intensity of circuit or load, impulse current, imbalance current and load characteristic.
因此重点分析变压器纵差保护不平衡电流产生的原因，并寻求减少它对变压器纵差保护影响的主要措施。
The cause of its creating unbalanced current was emphasized to analyze. The main measures for reducing the impact on this protection were sought.
最后以EMTDC仿真为手段对深圳电网典型线路的不平衡电流进行再现，并根据前文的研究结论提出相应的解决方法并仿真验证。
Finally, the unbalanced current in Shenzhen power grid is reproduced by simulation with EMTDC. Based on conclusions of earlier studies, a solution is proposed and it is proved by simulation.
电流的不平衡会造成大量电流流回发电机，严重损害设备，甚至产生爆炸。
The imbalance would send large flows of electricity back to generators, severely damaging them or even blowing them up.
在电流不平衡时，大约一周一次。稍后，当平衡恢复时，一月一次……月暗期。
With the current imbalance, about once a week. Later, as the balance is restored, it can be once a month… Dark of the moon.
并联型有源电力滤波器适用于多种负载条件下的谐波和无功补偿，尤其是能应用于电源电流畸变和不平衡条件下。
The SAPF prototype can compensate harmonics and reactive well under varies load conditions, especially in the case of a distorted or unbalanced current of power supply.
压电或储存电荷效应：由于机械应力产生的电荷不平衡(从而产生了电流或电压偏置)。
Piezoelectric or stored charge effects: the creation of charge unbalances (and thus current flow or voltage shift) due to mechanical stress.
提出了在异步电动机供电不平衡的情况下平衡相间电流的方法，给出了晶闸管故障检测的方法。
Ways of balancing the phase current of an induction motor operating with unbalanced supply and fault diagnostics of the thyristors are discussed.
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。
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.
实践证明，这种变压器三相侧电流的不平衡程度可以满足有关规定。
It has been proved in practice that the unbalance degree of the three-phase side current of this transformer can meet the requirements of the related regulations.
为降低长输电线路的电流不平衡度，需要进行导线换位。
Conductor transposition is necessary to reduce unbalanced current in long transmission lines.
分析了系统的全局稳定条件和补偿后电流中直流分量的产生机理，研究了系统带不平衡负载和动、稳态补偿性能以及稳定性。
The analysis of the whole region stability condition and the mechanism of the DC off-set in the compensated current of the system is proposed.
对其利、偿电流在三相平衡和不平衡系统下的检测技术进行分析和比较。
This paper analyses and compares detecting techniques of compensating currents in three-phase balanced and unbalanced systems.
但是存在于两组功率级之间的些微差异会造成彼此的电流产生不平衡的状况，使得系统的可靠度降低。
However, the mismatch of two power stages in dual-phase architecture will produce current sharing between them, and system reliability decreases.
电网中，由非线性和不平衡负载引起的不平衡和谐波电流将造成谐波和不平衡电压。
In an electrical network, unbalanced and harmonic currents generated by nonlinear and unbalanced loads can cause harmonics and unbalanced voltage.
主要介绍了零序电流保护整定计算程序的主要功能和特点，简要介绍了双回线零序电流的不平衡解决方法。
Main functions and characteristic for zero sequence current protection setting program are presented in this paper. Ways of no_balance zero sequence current for double lines are introduced.
结合负序电流的通用表达式，讨论了在不同负荷条件下的原边电流不平衡度。
The unbalanced degrees of current in primary winding under different load conditions are discussed, which are based on the general expressions of negative phase sequence current.
提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。
A new detection method for random harmonic current which was suitable for 3-wire and 3-phase unbalance system was put forward.
方法通过对其工作原理的分析、电流间接控制方法的使用以及不平衡负载补偿方法原理的介绍，可看出D -STATCOM的补偿性能优于传统的无功补偿器。
Methods the performance of D-STATCOM is superior to that of traditional reactive power compensator according to analyzing the working principle of D-STATCOM.
最后针对实验中遇到的三相电流不平衡问题设计了电路的电流平衡环路，实验结果表明三相电流的平衡性得到明显改善。
Finally, according experimental result, designed the three-phase current balance loop. The experimental results shows that the current balance is significant improved.
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。
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.
在冶金工业中使用的电弧炉可引起电网三相负荷不平衡，产生谐波引起电流闪变，严重影响电网电能质量。
Electric Arc Furnace (EAF) used in metallurgy industry often causes unbalanced three-phase load power, and therefore generates severs flicker to the grid, which seriously impact the power quality.
提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。
This dynamic voltage regulator employs a two-leg inverter for three-phase three-wire systems.
提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。
This dynamic voltage regulator employs a two-leg inverter for three-phase three-wire systems.
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