1、

A novel single-phase hybrid type dc high temperature superconducting fault current limiter is proposed, which is based on a novel fast-acting IGBT to control the protection resistor within 100 μ s after fault detection.

提出了一种新型单相混合型HTSCFCL,该限流器利用IGBT快速动作来控制保护电阻,IGBT在故障发生后的100μs内动作,并投入保护电阻。

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2、

Calculation Method of Test Current in Three-Phase Transformer Short-Circuit Test by Single-Phase Power

三相变压器用单相电源进行短路试验时试验电流的计算方法

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3、

As for control circuit, a novel detecting method for harmonic current in single-phase circuit is introduced in detail, viewed as an extension of the idea of instantaneous reactive power theory in three-phase circuit.

在对三相电路瞬时无功功率理论的思想进行扩展的基础上,得到了单相电路谐波电流的瞬时检测方法。

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4、

The detecting method of harmonics and reactive currents in single-phase is applied in three-phase four-wire system, so harmonic current detection and compensation of each phase can be performed separately but without affected by nonbalanced system.

本文将单相谐波检测算法应用于三相四线制系统中,可以各相分别检测谐波电流,从而进行各相单独动态电流注入补偿,不受系统不平衡的影响。

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5、

Network equations, which are associated with loop current method and suitable for computer aided analysis and calculation, are established by means of graph theory. The steady state branch currents of a three-phase induction machine with single-phase source supply are computed.

借助网络图论,用回路电流法列写了便于计算机辅助分析计算的网络方程,计算了单相电源供电的三相异步电机稳态运行时的各支路电流。

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6、

The input voltage and current of uncontrolled single-phase and three-phase rectifier with inductance and capacitance were measured, and the actual waveforms were consistent with the theoretical analysis basically.

并分别对感容滤波的单相、三相不可控整流电路的输入电压和电流进行了测量,其实际波形与理论分析基本吻合。

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7、

The analysis of two real-time detecting approaches of instantaneous harmonic and reactive current in single-phase circuit

两种单相电路瞬时谐波及无功电流实时检测方法分析

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8、

Indirect current control method and single-phase instantaneous reactive current detection method have been studied.

理论方面,分析了STATCOM的工作原理,研究了STATCOM的电流间接控制法和单相瞬时无功电流检测的方法。

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9、

Research of a Single-phase Active Power Filter with Measure Harmonic and Reactive Current Instantaneously

瞬时检测谐波及无功电流的单相有源滤波器研究

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10、

Contactor control is used by three-phase load motor in electric power locomotive. Current quick-break protection, inverse time over current protection and single-phase grounding protection can be realized by single chip micro-computer.

电力机车三相负载电动机采用接触器控制方式,可用微型单片机同时实现电流速断、反时限过流及单相接地等保护。

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11、

The application of phase-shifting structured approach in harmonic current detection in single-phase active power filter

移相构造法在单相有源电力滤波器谐波电流检测中的应用

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12、

The instantaneous reactive power theory is widely used in the detections of harmonic and reactive current in three-phase active power filter. This paper presents the method detecting harmonic current using instantaneous reactive power theory in single-phase active power filter by phase-shifting structured approach.

瞬时无功理论在三相有源电力滤波系统的谐波及无功电流检测中获得了广泛的应用,本文提出了使用移相构造法将瞬时无功理论应用于单相有源电力滤波系统谐波电流的检测。

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13、

Fast Tracking Algorithm for Harmonic Current of Single-phase Circuit

单相电路谐波电流的一种快速跟踪算法

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14、

Research of Predictive Current Control for Single-phase PWM Rectifiers

单相4象限变流器的预测电流控制算法研究

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15、

Nerve stimulator with single-phase constant-current pulse

单相恒流脉冲神经刺激器的设计

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16、

The single-phase shunt APF is taken as the hardware platform in studying the balance between convergence speed and steady state accuracy of adaptive harmonic current detection algorithm.

针对自适应谐波电流检测方法收敛速度与稳态精度需折中考虑的问题,采用单相并联有源电力滤波器(APF)作为硬件平台。

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17、

Research of Two Hysteresis Current Control Algorithms of Single-Phase Photovoltaic Grid-connected Inverter

单相光伏并网逆变器的两种定频滞环电流控制算法研究

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18、

Instantaneous Current Detection and Compensation of Single-phase Photovoltaic Grid-connected Inverter

单相光伏并网逆变器瞬时电流检测与补偿控制

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19、

The Questioning Points Analysis on Single-phase Alternating Current Motor Magnetic Field

单相交流电动机磁场的疑点剖析

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20、

Further analysis of single-phase ground fault other than the failure of the formation process, and the failure process of voltage and current wave recording records and found that most of the short circuit between phases is also due to the initial single-phase ground fault evolved.

进一步分析单相接地故障以外的故障的形成过程,以及故障过程中电压、电流的录波记录,发现大多数相间短路也是由于最初的单相接地故障发展而来的。

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