同时利用同步切换控制实现水泵由变频电源向工频电源的平稳切换。
Moreover, synchronous switch is applied to the system in order to complete the smooth switch on condition that frequency and phase of inverter power and power supply are the same.
把工频电源(50hz)交流变成任意频率、任意电压的逆变装置称为变频器。
The power frequency (50hz) into the exchange of arbitrary frequency, arbitrary voltage inverter device known as the inverter.
本文根据自适应噪声对消器的原理设计出一种性能优良的工频电源干扰自适应陷波器。
An interference adaptive trapper for operating frequency power supply, based on the principle of adaptive noise canceller, has been designed.
当变频器及PLC发生故障时，自动切换到原软启动柜工频电源运行，以保证压缩机的正常工作。
When frequency converter and PLC is at fault, automatic switch to the original soft start work frequency power operation, ark to ensure the normal work of the compressor.
本课题是对无工频变压器开关电源控制器芯片模块电路的设计与研究。
My project is focused on the design and research of PWM switching power supply control circuitry that requires high efficiency and reliability.
另外电源采用了12V蓄电池，有效的避免了50hz工频干扰，由于减少了电源转换电路，整个的硬件电路也更加的简化。
Another source with a 12v battery, a 50hz effective frequency to avoid interference due to the reduction of power conversion circuits, the entire hardware circuits are more simplified.
电阻点焊逆变电源与工频交流电源相比，其主要优点是可以节能1/4～1/3。
Compared with 50 Hz AC Power supply, the virtue of spot welding is that it can save 1/4 to 1/3 energy.
KP4003 A高压电源供应器是利用高压变压器将工频电压升压到所须电压，供不同静电消除产品使用。
KP4003A high voltage power supply is the use of high-voltage transformer to power frequency voltage boost to the required voltage for different static elimination product.
KP4003 A高压电源供应器是利用高压变压器将工频电压升压到所须电压，供不同静电消除产品使用。
KP4003A high voltage power supply is the use of high-voltage transformer to power frequency voltage boost to the required voltage for different static elimination product.
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