English translation for "负荷电流"
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- load current
Related Translations:
负荷力: beanspruchung belastungskraft effort 费用负荷: expense burdenexpense loadingexpenses burden 负荷容量: load capacityload carrying capacity 负荷率: burden ratesload factorload rateload-carry dutyloadfactorrate of load condensate 负荷计算器: loading calculator
- Example Sentences:
| 1. | The load current is handled directly by the controller through semiconductor switching devices .
负荷电流由调节器通过半导体开关元件直接控制。 | | 2. | The cable terminals which can switch on and switch off the circuit on - load with current up to 200a have long mechanical and electrical life
电缆接头可操作200a负荷电流，机械寿命和电气寿命长 | | 3. | Based on the branch - current - based current method , this paper presented a three - phase state estimation method for distribution where the load current is considered as the state variable
在基于支路电流的三相配电网状态估计的基础上提出了以负荷电流为状态变量的配电网的三相状态估计方法。 | | 4. | A dc transit system can never be fully protected because the protection cannot always distinguish between distant faults and train load currents for both of the currents have the similar magnitude and the rate of change
在各种短路故障中，地铁直流侧远方短路故障由于其故障电流的大小和变化率都很难同正常负荷电流鉴别开来，所以至今难以做到百分之百的保护。 | | 5. | Seismic safety assessment method and flow load control problem of power system are discussed deeply , and the remarkable criteria of current under normal process and system network model are suggested
摘要对电力系统的地震安全性分析与负荷控制问题进行了深入研究，建立了系统正常运行情况下各支路的负荷电流的评价准则和电力系统的网络分析模型，分析了传统潮流分析方法的优、缺点。 | | 6. | The products is of high water hydrophobe device usedin suitable and has the characteristics of aging resistance , resistance , tracking resistance , and corrosive resistance . it can withstand high bent load , strong impact force fn12 - 12 series indoor use high voltage load switch fn12 - 12 and fn12 - 12r is of three phases indoor use ac high voltage load switch for breaking and making the circuit of 50hz , 12kv system under rated loading
Fn12 - 12和fn12 - 12r组合电器是额定电压12kv额定频率50hz的三相高压开关设备用于分合负荷电流闭环电流空载变压器和电缆充电电流关合短路电流配装接地开关的负荷开关，可以承受短路电流 | | 7. | On - line monitoring of hvcb is the precondition of predicting maintenance , is the key element of reliable run , and is the important supplement to the traditional off - line preventive maintenance in fact , the faults are made by hvcb , no matter in number or in times , is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper , the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented , the scheme that we offered has been combined with sub - circuit integrality monitoring theory , to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer , the electricity longevity loss can be calculated in each operation , and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature , air circumference temperature and breaker ' s heat resistance is improved in this paper , and main touch resistance can be calculated if providing the load current msp430 , a new single chip microcomputer made by ti company , is engaged to develop the hardware system of the on - line monitoring device , and special problem brought by the lower supply voltage range of this chip is considered fully
高压断路器所造成的事故无论是在次数，还是在事故所造成的停电时间上都占据总量60以上。因此，及时了解断路器的工作状态对提高供电可靠性有决定性意义；并可以大大减少盲目定期检修带来的资金浪费。本文论述了断路器机械特性参数监测方法；提出了二次回路保护器的概念，并将跳、合闸线圈完整性监视和二次回路保护结合起来，给出具有完整性监视功能的二次回路保护器实现方案；根据断路器生产厂家提供的断路器额定短路电流分断次数，计算每次分闸对应的触头电寿命损耗，预测触头电寿命；提出根据断路器壳体温度和断路器周围空气温度结合断路器热阻来计算断路器主触头稳态温升的方法，并根据此时的负荷电流间接计算主触头回路的电阻；在硬件电路设计上，采用美国ti公司最新推出的一种功能强大的单片机msp430 ，并充分考虑该芯片的适用电压范围给设计带来的特殊问题；在通信模块的设计中，解决了不同工作电压芯片之间的接口问题，并给出了直接联接的接线方案。 | | 8. | Fristly , according to the non - linear characteristics of twelve - phase rectifier , the thesis gives the calculation model for a short circuit in the subway traction power supply networks which provides the academic foundation for the design of the setting values and the simulation of protection . secondly , the thesis designs the dc feeder protection and control of subway , and gives the principle of setting accordingly , after it analysizes the characteristics of electric current under tow load and short circuit and considers severel factors . to validate the rationality of the design , the thesis simulates the transient electric current under two work conditions ( starting and passing the insulation ) ahd short circuit
其次，本文在详细分析地铁牵引负荷电流和馈线短路故障电流特点的基础上，考虑了直流保护系统设计应注意的几个因素，对地铁馈线保护与控制进行配置，给出了相应的保护整定原则，并针对某一地铁供电系统在详细分析了两种工况(机车起动与过分段绝缘)的电流暂态过程，得到了电流计算的数字模型，结合前面提出的短路模型，进行了地铁馈线保护的仿真，经仿真表明本文的保护设计是合理的。 | | 9. | Application of high - voltage explosion fuses is very abroad . in addition to protecting the electrical equipment by melting itself , disjunction or close of its tube can also be manipulated by a high - voltage insulative stick under some circumstance , for example , to switch on or off no - load overhead transmission line , no - load transformer and little burden current
跌落式高压熔断器的应用极为广泛，不仅能保护电气装置，在一定条件下还能直接用高压绝缘钩棒来操作熔管的分合，以断开和接通空载的架空线路、小容量空载变压器和小负荷电流。 | | 10. | The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability , but also the necessary precondition of enhance power system stabilization , to remove faulty line quickly and accurately , also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple , reliable and good - selective protection manner to any variety of transmission lines , power system development needs current differential protection apply to transmission lines , moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly , the paper discusses , analyses the research and application transmission line protection in detail , compare the principle and realistic presupposition of general line pilot protections secondly , because conventional current vector differential protection are influenced easily by load current and transitional resistance , in order to at the same time quicken protection act , the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied , results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability , sensitivity and anti - saturation of current transformer in addition , synchronous current sampling methods at all terminals of line is analyzed and estimated lastly , the principle and criterion . also device design about current sampling values differential protection based on optical fiber communication , which apply to short transmission lines are concretely investigated ,
基于基尔霍夫定律的电流差动保护无论对于何种形式的输电线路都是一种简单、可靠、选择性强的保护形式，电力系统的发展使得电流差动保护应用于线路保护成为需要，而电子、通信技术的发展使得电流差动保护应用于输电线路成为可能。首先，本文对目前线路保护的研究和实际应用情况进行了讨论和分析，比较了常用线路纵联保护的实现原理和实现条件及优缺点。其次，针对常规相量电流差动保护易受正常负荷电流和故障过渡电阻影响的缺点，同时为加快差动保护的动作速度，对基于故障分量瞬时采样值电流差动保护的原理、判据、动作特性等作了讨论和分析，结果表明基于故障分量瞬时采样值电流差动保护在可靠性、灵敏度、抗电流互感器饱和方面明显优于常规相量电流差动保护，对电流差动保护各端的同步采样方法和数据通信也进行了分析和评价。 |
- Similar Words：
- "负荷的曲线" English translation, "负荷的中断" English translation, "负荷的周期性变化" English translation, "负荷第" English translation, "负荷电抗" English translation, "负荷电流表" English translation, "负荷电路" English translation, "负荷电纳" English translation, "负荷电容" English translation, "负荷电容器" English translation
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