外文文獻(xiàn)翻譯--變頻器在供水控制系統(tǒng)的應(yīng)用-展示頁(yè)
2025-05-27 12:09本頁(yè)面
【正文】 的可靠性與健壯性大大增強(qiáng)，應(yīng)用更加簡(jiǎn)單，系統(tǒng)的總成本也會(huì)下降。 (2) 智能化 包括兩個(gè)方面：盡量減少硬件，實(shí)現(xiàn)硬件軟件化；采用智能電力電子器件和其他智能化部件。 (3) 全數(shù)字化 近年來(lái)，各種現(xiàn)代控制理論、專家系統(tǒng)、模糊控制及神經(jīng)元控制等都是發(fā)展的熱點(diǎn)，將使電力電子控制技術(shù)發(fā)展到一個(gè)嶄新的階段。 (4) 系統(tǒng)化 變頻技術(shù)的發(fā)展與其相關(guān)技術(shù)的發(fā)展是分不開(kāi)的，在 21世紀(jì)變頻技術(shù)的發(fā)展是將電網(wǎng)、整流器、逆變器、電動(dòng)機(jī)、生產(chǎn)機(jī)械和控制系統(tǒng)等作為一個(gè)整體、從系統(tǒng)上進(jìn)行考慮的。 Using buoys or mechanical control devices such as water supply situation has made some changes, but because of mechanical failure more devices, poor reliability to maintenance will face great trouble. Frequency conversion technology, with its superiority in the area of energy efficiency and Hengya pressure control system can be solved by the existence of the above problems. Consider selecting Chanpianji or Plc and transducer bination at the core of the system can achieve a better control results. But in software design, Plc programming of more than Shanpianji concise, and visual。 From the economic considerations, the Plc processes are mature, cost and small Plc Shanpianji a little, because the system parameters to be adjusted in accordance with the situation on the ground, Plc software, the time parameters adjustments simpler, so more conducive to aftersale personnel. For the above reasons, the selection of the Omron Plc CPM1 series with the transducer as ABB control core, coupled with PSW7 conditioners and WSP300 Biansongqi pressure, the effect was very good control, software design simple hardware interface simple and feasible, reliable, the entire system Xingjiebi very high. Transducer in the water system in conjunction with the introduction of small Plc technology not only change the traditional use of water control valves, and in energy conservation, Hengya control, are very good results, the paper introduced a transducer PLC control technology in the pump control applications. Control system using one Taiwan transducer can bring three pumps, pumps can work at the frequency pump in the conventional model can work in the frequency conversion pump model. At the pump only in frequency conversion or one of the working frequency mode through two relays efficient ensure its security and reliability. System structure as figure 1 shows, the use of placement in the life of water pressure 陜西科技大學(xué) 4 Biansongqi water pressure signal transmission to the regulator, in accordance with the regulator to set the value and warning of lower pared to send signals to the Plc and the transducer, the system has stopped pumping from regulator pressure level signals and transducer frequency range signal, if the low pressure, regulator to the Plc a pressure lower signal Plc activation transducer, and a
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