查询词典 erratic current

See "e-paper" on page 1986, a concept of "Open-phase Motor Protection Discussion Summary," International Electrotechnical Commission to IEC202-1 low-voltage motor starter ② set out by the two-phase motor rated current up to 1,15 times rated current , while the third phase by 0.9 times the rated current to 0, the starter should be in action within 2h.

见《电子报》1986年1观页《电动机断相保护讨论小结》入国际电工委员会IEC202－1低压电动机起动器）中规定之②在电动机两相由额定电流升至1、15倍额定电流，而第三相由0.9倍额定电流降至0时，起动器应在2h内动作。

This series of residual current circuit breaker is the residual current—operated electronic circuit breaker,composed of zero—sequence current transformer,electronic control leakage release and DZ20 type circuit breaker with overload and shod—circuit protection.

本系列断路器电流动作型电子式漏电断路器，主要由零序电流互感器、电子控制漏电脱扣器及带有过载和短路保护的DZ20型断路器组成。

In the case of short - circuit,the output current amplitude and phase of PWM converter are controlled to adjust the equivalent impedance of current - limiter for fault current suppression.

故障发生后，通过变流器控制变压器二次侧注入电流的相位和幅值，进而调节限流器的等效阻抗，从而实现抑制短路电流的目的。

A fter analyzed the quick-current reflowing and the slow-current reflowing control methods, the author brings forward a mew method named mixed-current reflowing control.

在分析快续流和慢续流控制方式的基础上，提出了一种混合续流的新控制方法。

Based on Combination of the MMF equation and the branch current equation, an expanded equation about the winding currents and current-limiting reactances is obtained. According to the feature that the control windings are short-circuited in turn, the current-limiting reactances are calculated for each control winding step by step.

把磁势平衡方程和支路电流方程相结合，推导并得到了关于绕组电流和限流电抗的增广方程，再根据控制绕组顺次短路工作的特点，提出了CRT的各级限流电抗值的一种递推算法。

In the recent years,supported by National Natural Science Foundation of China,the faculty in Zhejiang University have begun the research of solid states power switch and fault current limiting technology. They provide a novel solid states fault current limiting technology,which possesses flexible control mode. It is feasible to develop a well-performed fault current limiter.

近年来，浙江大学有关人员在国家自然科学基金的支持下，开展&固态功率开关及短路限流技术的研究&，提出了一种全新的固态短路限流技术，具有许多灵活的控制方式，完全有条件开发成一种性能优良的短路限流装置。

L Intelligent three-phase charge mode: We adopt constant current technology at the beginning of charge, which can made current invariable and avoid battery broken or accelerating battery aging. It can convert to constant- voltage and current-limiting charge when charge voltage achieves upper limit voltage, which can improve effectively the capacity conversion efficiency of battery. Trickle and floating charge make each single cell battery constant receive electricity and ensure battery capacity can be recall most, which solved the unbalanced phenomenon of single cell battery and avoid the danger of voltage change and the end of battery charge, extend battery life.

l 智能三阶段充电模式：充电初期采用恒流技术，使充电电流恒定，避免损坏电池，加速电池的老化；充电电压达到上限电压时自动转换为恒压限流充电，有效的提高了蓄电池的容量转换效率；涓流浮充使各单体电池均衡受电，保证电池容量得以最大限度恢复，有效解决单体电压不均衡现象，避免了市电电压的变化和蓄电池充电的末期造成的蓄电池过压充电的危险，大大延长了蓄电池的使用寿命。

Allowable current density is firstly confirmed by analyzing the variation of current efficiency with current density. Effects of content of ammonia ions, pH value and the content of sodium formate upon the throwing power, covering power and ability of anti-impurities, were measured.

首先通过分析电流效率随电流密度的变化情况确定了镀液的许用电流密度，然后测定了氨的含量、镀液pH值、甲酸钠的含量等因素对分散能力、深镀能力、抗杂性能等镀液性能的影响。

And base on topological structure of SVG for three-phase three-wire system, it puts forward a control method of compensation current which is based on forecasting current strategy to improve the tracking accuracy of dictation current.

同时，在三相三线制电压型静止无功发生器拓扑结构的基础上，论证了两种直接电流控制方法：滞环控制和三角波控制。

The main formation causes of storm current are convergence of tidal current and special topography and the strength of storm current depends mainly on the released disordered potential energy .

对滦河口近海激流的形成进行了讨论，认为潮流的辐合和特殊的地形是激流形成的主要原因，而激流的大小则主要取决于无序位能的释放量。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。