查询词典 electric circuit

Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit.

瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。

Electrode contour optimization of arc quenching chamber of a 550 kV 1-break extra high voltage SF6 circuit breaker using the VIGA was carried out to obtain not only a uniform electric field but also a dynamic distribution of electric field strength along different surfaces of electrode and shielding cover.

以550 kV单断口SF6断路器灭弧室为研究对象，进行触头结构优化设计，得到灭弧室内部各触头及屏蔽罩沿面电场分布。

An exchange of automatic electric steam generator, steam sets, automatic control, into the water, with steam for one, and transistors figures show that the water level gauge alarm, automatic stop-pump high level and low level Overpressure and automatically disconnect the electric components such as circuit function.

92214353#一种全自动电热交换蒸汽发生器，集蒸汽发生、自控、进水处理、蓄汽为一体，并有晶体管数字显示即高低水位超限报警、高水位自动停泵、低水位及超压自动断开电热元件电路等功能。

The design idea and electric field calculation of insulated supporter used in circuit breaker of ZF□-126 type gas-insulated metal enclosed breaker were discussed,and showed the results of electric field calculation.

阐述了ZF□-126型气体绝缘金属封闭开关设备中断路器所用的绝缘支柱的设计思路及电场计算方法，给出了电场计算结果。

Main control circuit adopts electric controlled to exchange electronic switch technology and passing zero detection techniqueing advanced electronic device, which realize to pass zero level and smooth to its cutting ,shuting floodgate and bludgoning into , no over voltage when operating it , there is no electric arc to fire again to shove to have to throw condenser bank, condenser need is it can come into operation again to discharge, its cutting restriction of number of times to throw.

主控制电路采用电力电子器件可控交流电子开关技术和先进的过零检测技术，实现电容器组的过零平滑投切、无合闸涌流冲击、无操作过电压、无电弧重燃，电容器无需放电即可重新投入使用，并且不受投切次数的限制。

In 1992, a three phase double circuit line between Goudey and Oakdale station was reconstructed to six-phase line and was operated commercially by New York state electric and gas. It is a milestone from theoretical research to practical application in the development of six-phase transmission.With the decrease of cultivated land and the environmental problem in china, it is an important factor to improve power transmission density in the construction of electric network, and the predominance of six-phase transmission is obvious in this aspect.

六相输电是多相输电的一种，在国外六相输电技术作为提高输电线路功率传输密度，节约线路走廊空间的重要手段得到了充分的重视，对六相输电技术的研究也取得了很大的进展。1992年，美国纽约电力和天然气公司将Goudey到Oakdale之间的一条双回线路改造成了六相输电线，并且已经投入了商业运行，这标志着多相输电技术已经从理论研究向实际应用迈出了重要的一步。

Intelligent control technology of large-scale equipments in comprehensive mechanized coal mining face (including the electric explosion-proof technique, control circuit design of essence safety type and double-engine double-speed dragging heavy load control technique of scraper conveyer); no exceeding limit gas safety and high efficiency emission technique (including air flow control strategy, control method, and etc.); failure protection technique for safe power supply of mine power grid (including two-grade selective electric leakage protection and phase sensitive protection technique, etc.).

关键技术分别为多局部通风机故障诊断和冗余控制技术（包括掘进工作面供电系统多源信息融合、故障测寻、故障诊断、多局部通风机三重冗余控制方法和控制策略等）；综采工作面大型设备的智能控制技术（包括电气防爆技术、本质安全型控制电路设计、刮板输送机双机双速拖动重载控制技术等）；瓦斯无超限安全高效排放技术（包括风量控制策略、控制方法等）；矿井电网安全供电的故障保护技术（包括两级选择性漏电保护和相敏保护技术等）。

Adopt one kind of design plan that PLC controls in the protection the main body of a book has been introduced succeeding an electricity in electric system, that capital is designed time is that the KV circuit imports 10 mainly , change into 380 V voltage grades, before the PLC front and back add front to passage and the queen to passage, change before to passage middle course electric current , voltage a train of, the wave filtering the general is exchanged changing waking up with a start for direct-current, the entering carrying out comparison and switch amounts again , controlling conducting entering PLC, by PLC, The malfunction signal is shown out by lamp light or the alarm signal.

本文介绍了在电力系统继电保护中采用PLC控制的一种设计方案，本次设计主要是将10KV线路输入，转化为380V电压等级，在PLC前后加入前向通道和后向通道，在前向通道中经过一系列的电流、电压转换，将交流转换为直流，进行滤波，再进行比较和开关量的输入，传入PLC，通过PLC的控制，将故障信号通过灯光或者报警信号表现出来。

Through the medium of designing and reckoning the electric main connection, designing and counting house supply, counting short-circuit current, selecting and verifying electrical equipment as well as designing switching arrangement, it have accomplished the design of （4×125MW）condensing power station' electric once segmental that have been given.

通过对电气主接线的设计和计算、厂用电的设计和计算、短路电流的计算、电气设备的选择和校验以及配电装置的设计，简要完成了对所给（4×125MW）凝汽式发电厂的电气一次部分的设计。

Global atmospheric electricity model is the circuit between atmosphere and surface. In lower atmosphere, the main sources of electric current within the model are thunderstorms, which are considered as vertical electric dipoles.

全球大气电模式是指大气和地表构成的闭合回路，其中考虑雷暴为主要充电电源，并将雷暴作为一个垂直电偶极子来考虑。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。