single current

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

High accuracy current transformer with small turn is an important sensor to measure leaking current of high voltage electric equipments. A single-turn cored structure current transformer with 500 turns secondary coil is designed.

高精度小匝数电流互感器是测量高压电气设备泄漏电流的一种重要传感器，设计了次级为500匝的单匝穿心式电流互感器。

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。

This paper researches the testing requirement of voltage and current when relay closed or opened if the relay loaded AC single phase separate step motor.

本文研究交流单相异步电动机作为继电器负载时，继电器闭合与分断时电压与电流的试验条件。

METHODS: Single cell Ca 2+ imaging techniques and patch clamp technique were used to test the current of ion channel and action potential of Annexin A7 knock out mice embryonic heart cells.

方法：利用钙成像技术和膜片钳技术检测敲除Annexin a7小鼠的早期胚胎心肌细胞的钙平衡以及相应的离子通道的特性。

The field emission current density distribution over the tip surface was established using Fowler-Nordheim function, and the emission current over the single tip established by integrating the current density all over the single tip surface was 7 μ A.

由Fowler Nordheim函数可得到尖锥表面的场致发射电流密度分布，对整个尖锥表面进行积分后得到了单个尖锥的场致发射电流约为7μA。

When the reconfiguration of single loop networks accords with the economic current distribution, the switch, through which passes the smallest current and no branch over current, is the branch breaker.

在单环网的重构中按电流经济分布时，将流过电流绝对值最小的且没有支路电流过载的开关作为断开开关。

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。

The basic operation principle of telephone MODEM and current working way is discussed, the interface methods of the single-chip computer terminal and MODEM.

论述了有线电话MODEM的基本工作原理和常用工作方式；

It is a single-stage converter operated at discontinuous conduction mode ( DCM) of an input current, and it combines the technique of current resonant and PFC. It has characteristics of easy control, input current automatically following input voltage, and higher power factor.

这种变换器工作在输入电流不连续导电方式（DCM），综合了电流谐振技术与PFC技术，具有控制简单、输入电流自动跟踪输入电压、功率因数较高的特点。