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The Finnish phone maker has received around 100 reports of its phones short-circuiting while being charged.

这个芬兰的手机制造商收到了大约100份的报告,当中指出诺基亚的手机在充电时会造成短路。

Current limiting circuit breaker of the fast action is the use of short-circuit current generated by the electric circuit breaker contacts to promote the rapid action force.

限流的快速行动断路器是利用短路电流的电路断路器接触产生的推动力量迅速采取行动。

The in-depth analyses and simulation calculations of two simplification methods are carried out in this paper. Then it is pointed out that the equivalent d- and q-axes damper winding model is not suitable for calculating the internal short circuits because the concept is not applicable in this situation, and the errors caused by it are too obvious to be accepted in electrical engineering; while the approximate damper cage model is acceptable since it not only meets the accuracy requirement of electrical engineering but also saves calculating time for computers.

本文对阻尼回路的2种简化方法进行了深入分析和仿真计算,指出等效d轴和q轴阻尼绕组模型应用于电机内部短路计算时,物理概念上存在缺陷,且会造成过大的误差、在工程上无法容许;而近似阻尼笼的处理方法既能满足工程精度要求,又可节省计算时间。

On the basis of comparing the feature of inrush current's grille curve with that of fault current, a novel transformer protection scheme is proposed, which is not affected by add-assist circulation current at delta side on Y/D connection transformer.

在比较励磁涌流与短路电流网格曲线各自特点的基础上,提出了一种新型变压器保护方案,该方案不受Y/D接线的变压器D侧环流助增作用的影响。

This paper will emphasize on analyzing these two problems, and make a driving board with TLP250, this driving circuit can drive four IGBTs.and its driving signal is produced according to the requests, each driving signal is separated rightly with only one power supply, this circuit can also prevent from overflowing or short-circuit and keeping bridge arm from connecting directly.

本文将着重分析这两个问题,并利用TLP250设计了一块模块驱动板,此板可以驱动四个IGBT。此板的驱动信号符合要求,每路驱动信号在电位上是隔离的,而输入电源只有一个,该电路还有过流或短路保护功能以及防止桥臂直通的功能。

This current is extra high and exceeds the permitted value of 10 % error curve of protection current transformer.It will affect the performance of relevant protection equipment.

文中以n次曲线模拟TA铁心饱和时的非线性磁化曲线,由此导出TA回路的非线性微分方程,并采用数值方法计算出在典型暂态短路电流作用下的TA二次电流波形。

The results of simulation offer the relation between the parameters of generator and maximum fault current.

3在整流系统设计中,可根据短路电流的控制需要,设计和选择合适的同步电机参数,以确保故障保护装置的安全动作。

Nowadays, fault current is increasing with the increasing of capacity in power system, and it is one of the serious problems, which must be solved.

近年来,随着电力系统容量的不断增加,电网的短路电流也随之增大,目前已成为制约电网运行和发展的一个重要因素。

Objective To discuss the clinical X-ray diagnosis standard and clinical manifestation of syn-drome of splenic flexure of colon.Methods 25cases which is clinical symptom was abdominal distention/abdominal pain/constipation or toxic symptomwere selected.The negative result of fiberscope,clinical therapetutic effect was fine which was treated with operation used partial resection or short circuit.

目的 初步探讨结肠脾曲综合征的X线表现在临床诊断中的标准方法收集临床表现反复腹胀、腹痛、便秘或中毒症状,经纤维结肠镜检查为阴性结果,经手术部分切除或短路治疗有临床疗效,利用低压钡剂灌肠显示结肠脾曲综合征为X线表现征象的25例患者资料。

The whole system has no dangers such as the flammables , explosive , poison , erosion , short circuit and electric shock in the traditional water heating system , the hot water is gained through the heating exchange between the high temperature refrigerant and water , the water

整个系统的运行无传统热水系统中,能存在的易燃、易爆、中毒、腐蚀、短路、触电等危险,热水通过高温冷媒与水进行热交换得到,电与水在物理上分离,是一种完全可靠的热水系统。

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