• The negative phase sequence capability of generators is one of their important performance parameters. It is related to the design, manufacture and operation of generators.

    发电机能力发电机重要性能指标之一涉及发电机的设计制造运行

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  • 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.

    结合电流通用表达式讨论不同负荷条件下电流不平衡

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  • Based on the analysis of main fault types of LV (Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.

    通过分析低压隔爆电动机主要故障类型,针对不对称性短路故障故障提出了采用保护原理进行保护的方案。

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  • Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.

    针对单纯采用相电流判据的不足之处,本文提出增加电流电流电流变化量判据,以有效地避免保护误动或者拒动。

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  • Experimental results prove the proposed control method can compensate the harmonic, negative sequence and zero sequence current components in the three phase four wire.

    实验结果表明装置三相线制系统中的谐波序等电流分量进行补偿

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  • In typical six-phase transmission system, half positive sequence, half zero sequence and half negative sequence fault components are independent of the variance of system impedance.

    典型六相输电系统中,、半故障分量系统阻抗变化影响。

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  • Generalized integrator was used to realize static error free tracking control of positive and negative sequence current under two-phase static coordinate.

    并采用广义分器原理实现三相电流在两相静止坐标下的控制,实现了正负电流跟踪控制。

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  • Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.

    电力有源滤波器动态补偿不对称三相电路畸变电流电流分量

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  • It can be combined with a set of transformer main protection by combining negative-phase sequence current sudden-change starting element.

    电流突变量起动元件配合,构成变压器保护

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  • It can be combined with a set of transformer main protection by combining negative-phase sequence current sudden-change starting element.

    电流突变量起动元件配合,构成变压器保护

    youdao

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