KUC755AE106 3BHB005243R0106同步电动机起动时,转子感应电压的频率随着转速的上升逐渐下降,同步电动机- -旦起动,单片机就立即检测转子感应半个周波的时间,从20ms开始,数码管记”9″ ,中间每增加20ms,数码减1,到200ms时数码管显示”0″ 。KUC755AE106 3BHB005243R0106同步电动机在异步起动过程中，当转子转速达到同步转速的90%时，转子感应电压的频率5Hz,周期0.2s,半周时间为100ms,计算机- -旦检测到该值，立即投全压。投全压后，电动机的转速将继续上升，当转速增加到同步转速的95%时,转子感应电压的频率为2.5Hz,周期为0.4s,半周时间为200ms，计算机检测到此值,迅速进入整流程序,输出脉冲,装置投入励磁,同时接通投励工作指示，关掉低压灭磁并开放失磁保护和失步保护等。
KUC755AE106
2脉冲形成
KUC755AE106 3BHB005243R0106同步信号Ta、W3提供正偏移,及励磁调节器的输出信号Uk,三者通过运算放大器综合处理后作为单片机外部中断请求INT0的输入信号，当INTO从1变0时,单片机接受中断,立即发出第一组脉冲去触发1# 可控硅，同时给6#可控硅补一个脉冲。KUC755AE1063BHB005243R0106以后每间隔60发下一组脉冲,触发相应的可控硅,直至一个周期六组脉冲发完, 再等待下一-次中断。 改变Uk的大小就改变了中断申请的时刻,达到控制0角的目的。为了提高整流电压波形的对称度，系统还不断监测电网的频率,随时对60°定时进行修正，确保整流电压波形对称，这样产生的脉冲精度高,无需外部调整且稳定可靠。
KUC755AE106
When the KUC755AE106 3BHB005243R0106 synchronous motor is started, the frequency of the rotor induced voltage gradually decreases with the increase of the speed. As soon as the synchronous motor starts, the microcontroller immediately detects the time for the rotor to induce half a cycle. Starting from 20ms, the digital tube records “9”, and for every 20ms increase in the middle, the digital tube decreases by 1. When it reaches 200ms, the digital tube displays “0”. During the asynchronous starting process of KUC755AE106 3BHB005243R0106 synchronous motor, when the rotor speed reaches 90% of the synchronous speed, the frequency of the rotor induced voltage is 5Hz, the cycle is 0.2s, and the half cycle time is 100ms. Once the computer detects this value, it immediately applies full voltage. After applying full voltage, the speed of the motor will continue to rise. When the speed increases to 95% of the synchronous speed, the frequency of the rotor induced voltage is 2.5Hz, with a period of 0.4s and a half cycle time of 200ms. The computer detects this value and quickly enters the rectification program, outputs pulses, and the device is energized. At the same time, the excitation work indicator is turned on, the low-voltage deexcitation is turned off, and the loss of excitation protection and loss of step protection are opened.
KUC755AE106
2 pulse formation
KUC755AE106 3BHB005243R0106 provides a positive offset for the synchronization signals Ta and W3, as well as the output signal Uk of the excitation regulator. After comprehensive processing by the operational amplifier, the three are used as the input signal for the external interrupt request INT0 of the microcontroller. When INTO changes from 1 to 0, the microcontroller accepts the interrupt and immediately sends the first set of pulses to trigger the 1 # thyristor, while adding a pulse to the 6 # thyristor. After KUC755AE1063BHB005243R0106, a set of pulses is sent every 60 intervals, triggering the corresponding thyristor until six sets of pulses are sent out in one cycle, and then waiting for the next interrupt. Changing the size of Uk changes the timing of the interrupt request, achieving the goal of controlling the zero angle. In order to improve the symmetry of the rectifier voltage waveform, the system continuously monitors the frequency of the power grid and corrects the 60 ° timing at any time to ensure the symmetry of the rectifier voltage waveform. This generates pulses with high accuracy, no need for external adjustment, and is stable and reliable.
KUC755AE106
专业销售世界各大电气品牌产品产品海外直接采购，正品库存，价格优惠售后保修，型号齐全，一样的产品，不一样的价格与服务。大量供应原装进口DCS系统配件，PLC系统配件。主营:ABB、GE发那科、Bentl本特利、Triconex英维思、Woodward伍德沃德、Foxboro福克斯波罗、Westinghouse西屋/Emerson艾默生、Reliance瑞恩、SchneiderModicon施耐德莫迪康、A-B、HIMA黑马、Motorola摩托罗拉、Kollmorgen科尔摩根Bosch/Rexroth/博世力上乐，NI,YOKOGAWA横河，等各大品牌的DCS系统配件，机器人系统配件，大型伺服系统停产备件。
KUC755AE106
There are no reviews yet.