

GE MVR1600-4601 整流橋模塊 二極管正向?qū)ǚ捶较蚪刂?/span>
整流橋模塊的整流作用是利用二極管的單向?qū)ㄔ韥韺?shí)現(xiàn)的。通常而言,二極管是正向?qū)ǚ捶较蚪刂梗炊O管只容許其正極進(jìn)到正電,負(fù)極進(jìn)到負(fù)電。整流標(biāo)模塊的二極管只容許電流在-個(gè)方向利用,所以當(dāng)它接入到交流線路時(shí),它可以使電路中的電流只向1個(gè)方向流動(dòng)。整流杯模塊通常由單相橋柄式全波整流器的4個(gè)二極管構(gòu)成和三相柄式全波整流器的6個(gè)二極管構(gòu)成(生產(chǎn)廠家都將其封裝在一個(gè)元器件中,通稱為整流橋模塊,便于我們使用)。對應(yīng)用作單相電路和三相電路整流。
關(guān)于單相全波整流橋,在整流橋模塊的每個(gè)工作周期中,唯有2個(gè)一極管一起運(yùn)行,-極管的單向?qū)ㄗ饔脤⒔涣麟娹D(zhuǎn)變?yōu)閱蜗蛄髅}動(dòng)電壓,整流模塊的一個(gè)二報(bào)管的大耐壓是輸出電壓的二倍,利用的電流是輸出電流的-半,因?yàn)槊?個(gè)周期難有2個(gè)一極管運(yùn)行,即每一個(gè)二 極管只運(yùn)行半個(gè)周期,所以唯有-半的電流利用。對于電壓,當(dāng)二極營反方向信置時(shí),要承擔(dān)波電容和輸入端電壓之和,為輸出電壓的二倍。這在選擇整流橋模塊時(shí)極其重要。
The rectifier function of the rectifier bridge module is realized by using the single conduction principle of the diode. Generally speaking, the diode is a positive guide through the reverse direction cutoff, that is, the diode only allows its positive electrode to enter the positive charge and the negative electrode to enter the negative charge. The diode of the rectifier marker module only allows the current to be used in one direction, so when it is connected to the AC line, it can make the current in the circuit flow in only one direction. The rectifier cup module is usually composed of four diodes of the single-phase bridge type full wave rectifier and six diodes of the three-phase bridge type full wave rectifier (the manufacturer packages it in a component, known as the rectifier bridge module, for our convenience). Corresponding to the use of single-phase circuit and three-phase circuit rectification.
As for single-phase full-wave rectifier bridge, in each working cycle of the rectifier bridge module, only two single-pole tubes run together, the single conduction action of the -pole tube converts the alternating current into a unidirectional current pulsating voltage, and the maximum voltage withstand of a double-telegraph tube of the rectifier module is twice the output voltage, and the current used is -half of the output current, because it is difficult to have two single-pole tubes running every - cycle. That is, each diode runs only half a cycle, so only -half of the current is utilized. For the voltage, when the diode is set in the opposite direction, the sum of the wave capacitance and the input voltage is twice the output voltage. This is extremely important when choosing a rectifier bridge module.

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