The usual way to do this would be to use a rectifier—a device that converts alternating to direct current.

完成這步常用的方法是使用整流器—一種把交流電轉(zhuǎn)換成直流電的器件日韩欧美精品A片免费看。

Rectifiers are devices that convert alternating current to direct current.

整流器是一種將交流電轉(zhuǎn)換為直流電的儀器。

When the cables use inalternating current system, rated voltage of cables should be at least equal the rated voltage of the system; When the cables use in direct current system,rated voltage should be not greater than 1.5 times of the rales ted voltage of the cab.

當電纜使用于交流系統(tǒng)時www久久99～com，電纜的額定電壓至少應(yīng)等于該系統(tǒng)的額定電壓H视频在线观看免费网站；當電纜使用地直流系統(tǒng)時，該系統(tǒng)的額定電壓應(yīng)不大于電纜額定電壓的1.5倍影音先锋欧美性爱资源网。

High-power rectifier devices can work efficiently to high frequency alternating current into direct current, in the'60s and'70s, Thyristor power rectifier tube and to the development and application of great development.

大功率硅整流器能夠高效率地把工頻交流電轉(zhuǎn)變?yōu)橹绷麟姽肺蘼朊夥压墼谙撸虼嗽诹甏推呤甏缫咕镁们嗖萃荆蠊β使枵鞴芎途чl管的開發(fā)與應(yīng)用得以很大發(fā)展。

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That is, the output from the coil is proportional to the time derivative of the current and therefore the obtained result is independent of direct current.

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Keywords: regulated power supply of direct current; single2ch ip m icrocomputer, digital control Abstract:This system to dc voltage source as the core, mainly AT89S52 SCM, through the keyboard controller to install dc power supply output voltage, setting stepping class can reach.01v output voltage, the range of 0-9.9 V, the maximum current 330mA for, and can show the actual pipe by digital output voltage values.

數(shù)控直流穩(wěn)壓電源論文關(guān)鍵詞：論文關(guān)鍵詞：直流穩(wěn)壓電源單片機數(shù)字控制論文摘要：論文摘要：本系統(tǒng)以直流電壓源為核心欧美精品午夜一级，AT89S52 單片機為主控制器99reav.，通過鍵盤來設(shè)置直流電源的輸出電壓，設(shè)置步進等級可達 0.1V91超碰人人操，輸出電壓范圍為 0—9.9V国产av精选久久久，最大電流為 330mA，并可由液晶屏顯示實際輸出電壓值九色9se在线视频。

DC magnetic biasing;geomagnetically induced current;transformer;HVDCHigh Voltage Direct Current

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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.

本文介紹了在電力系統(tǒng)繼電保護中采用PLC控制的一種設(shè)計方案香蕉在线视频观看，本次設(shè)計主要是將10KV線路輸入看h片的网站，轉(zhuǎn)化為380V電壓等級，在PLC前后加入前向通道和后向通道火热福利视频导航，在前向通道中經(jīng)過一系列的電流日韩制服无码一区福利、電壓轉(zhuǎn)換，將交流轉(zhuǎn)換為直流黄色带国产7J8在线观看，進行濾波，再進行比較和開關(guān)量的輸入日韩永久免费视频，傳入PLC欧洲色综合精品，通過PLC的控制，將故障信號通過燈光或者報警信號表現(xiàn)出來Xxxxxav视频。

The phenomenon of direct current components of flux and exciting current arising in a power transformer is called DC bias magnetization.

造成振動的直接原因就是變壓器的直流偏磁現(xiàn)象欧美性爱日韩一区二区。