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- Abstract: This paper introduced a device for aggregative electric parameters testing of DC voltage relays with a 80C552 SCM as the central processor,and stated its hardware and software flow. 摘 要: 介紹了一種以80C552單片機為中央處理機的直流電壓繼電器綜合電參數測試裝置,簡述了其硬體結構和軟體流程。
- This paper introduced a device for aggregative electric parameters testing of DC voltage relays with a 80C552 SCM as the central processor, and stated its hardware and software flow. 介紹了一種以80C552單片機為中央處理機的直流電壓繼電器綜合電參數測試裝置,簡述了其硬體結構和軟體流程。
- Vacuum tubes require DC voltage sources as well. 真空電子管也要求以直流電壓為電源。
- Frequency drifts due to: DC voltage, temperature, VSWR. 頻率漂移跟直流電壓、溫度、駐波比有關。
- PDI also specialize in creating unique cable related OEM products for associated industries, including DC relay activated splitters, regulated DC voltage splitters and other unique passive devices. PDI也專註於相關產業與電纜線相關的OEM產品。包括直流繼電功分器,穩壓直流功分器和其它獨有的無源器件。
- When voltage become over the setting value, voltage relay shall be operated. 當電壓成為超過設定值,電壓繼電器應經營。
- A plot of dc voltage or current versus time normally produces a straight line. 直流電壓或電流與時間的關係圖一般成直線.
- DC voltage is determined by AC voltage, inductance on the AC side, and load. 直流側直流電壓是由交流電壓、電感及負載決定的;
- A phenomenon which occurs when excess DC voltage is applied to an LCD. 一現象哪個發生什麽時候過度直流電壓被用於LCD。
- The DC voltage calibration room is by far the largest of the labs I visited. 直流電壓校準室要比我參觀過的實驗室的大很多。
- DC voltage divider can be used to design lower voltage direct current power. 直流分壓器集開關電源和電能變換於一身,可以被用來設計降壓型直流電源。
- Automatic feedwater and constant temperature were realized by low voltage relay. 在電路上採用低電壓溫控繼電器安全設計,實現了自動給水和加恆溫控制;
- The superior voltage stability of such a Josephson voltage standard has many applications in dc voltage metrology. 此約瑟夫森電壓標準傑出的電壓穩定性在直流電壓計量中可以有許多應用。
- If the multimeter is used to measure DC voltage or DC carnet , we must be careful that the polarity is not reversed . 假如用萬用表測量直流電壓或直流電流,我們必須注意極性不可接反。
- If the multimeter is used to measure DC voltage or DC carnet ,we must be careful that the polarity is not reversed . 假如用萬用表測量直流電壓或直流電流,我們必須注意極性不可接反。
- The hardware of the voltage relay are divided into five parts, which are central processing unit, A/D conversion, keyboard display, communication module and execution module. 文中在硬體設計部分將該繼電器分為中央處理單元、模數轉換模塊、鍵盤顯示模塊、通信模塊和執行模塊等幾部分進行了詳細的論述。
- If the multimeter is used to measure DC voltage or DC carnet, we must be careful that the polarity is not reversed . 假如用萬用表測量直流電壓或直流電流,我們必須注意極性不可接反。
- If the multimeter is used to measure DC voltage or DC carnet, we must be careful that the polarity is not reversed. 假如用萬用表測量直流電壓或直流電流,我們必須注意極性不可接反。
- The amount and direction of power flow may be easily controlled by adjusting the DC voltage at the two terminals. 通過調節兩換流終端站的直流電壓可以容易地控制潮流的數量和方向。
- DC capacitor relies on the pulsation of DC voltage, power, inductance on the AC side, and load. 突加負載時直流側電容是由直流電壓波動、功率、電感及負載決定的。