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- variable voltage transformer 可變電壓變壓器
- A SMPS is a type of voltage transformation device. 交換式電源供應器是一種電壓轉換器具。
- The frequency inverters has a function of variable voltage and variable frequency. 頻率逆變器具有變壓、變頻功能。
- The power supply voltage may be controlled by replacing D1, D2, R1 and R2 with a variable voltage reference. 將D1、D2、R1和R2換成一個可變參考電壓源,本電路就變成了一個可控電源。
- A new improved discrete variable voltage variable frequency equivalent sinusoidal control method is presented. 一種新的離散變壓變頻等效正弦控制方法被提出。
- The basic principle of the voltage transformer (discharge coil) is similar to the transformer. 電壓互感器(放電線圈)的基本工作原理與變壓器相似。
- The frequency inverters has a function of variable voltage and variable frequency . 頻率逆變器具有變壓、變頻功能。
- The capacitance bleeder is used in capacitive voltage transformer as bleeder, concurrently as coupling capacitor. 電容分壓器用於電容式電壓互感器中,做分壓器用併兼作耦合電容器使用。
- Fan, notor, water-pump and voltage transformer arethe four kinds of common electromechanical equipments, also big energyeaters. 風機、泵、壓器、動機是四類量大面廣的通用機電設備,也是耗能大戶。
- As a set of voltage measuring device,the measuring accuracy of optical voltage transformer is an important indication of system performance. 光學電壓互感器作為一套電壓測量設備,測量精度的準確性是衡量系統性能的重要指標之一。
- By far, some reliability designs and optimization designs of voltage transformer are studied, but the methods they adopted are still traditional. 目前,在電壓互感器設計中,雖有人進行過可靠性設計和優化設計方面的研究,但採用的方法仍為傳統方法。
- Auxiliary voltage transformers for controls and metering. 控制以及測量用補助電壓變壓器。
- Based on the converse piezoelectric effect of quartz, a novel dual-mode interferometric electronic voltage transformer is presented. 摘要基於石英晶體的逆壓電效應,研製出一種雙模干涉式的電子電壓互感器。
- According to incomplete statistics, in the past 3 years, China exported more than 20 technologies, such as anthraquinone hydrogen peroxide solution, variable voltage absorption, etc. 據不完全統計,中國三年來出口蒽醌法雙氧水、變壓吸附等技術二十餘項。
- A new voltage transformer named optic-electronic voltage transformer (OEVT) is presented, which assimilates strongpoint of CVT & OVT. 光電式電壓互感器綜合了電容式電壓互感器和光學電壓互感器的優點,採用光纖傳輸電壓和溫度信息,實現了高低電壓之間真正的電隔離;
- The voltage transformer is a single-phase type with two primary terminals, a porcelain bushing, a housing and a SF6 gas-density relay (see sketch). 本型電壓互感器為單相式,由一次出線端子、瓷套、殼體、SF6氣體密度繼電器組成(見附圖)。
- The rule of the Jet length and the atomization angle under variable voltage has been given. Based on particle system, using Visual C++ and OpenGL library with object-oriented method, the shape of oil atomization under variable voltage is simulated. 將可視化技術運用於靜電霧化中,基於粒子系統原理,使用Visual C++結合面向對象技術和OpenGL圖形庫,根據所建立的數學模型,模擬了不同電壓下油液的靜電霧化形態。
- The key is that delay-time difference of dual path and overshoot of voltage transformer can cause composite waveform distortion. 該結構的關鍵是克服了兩通道延遲時間差和變壓器過沖產生的合成波形失真。
- Jiang Xia,Jiang Qirong,Yan Gangui,et al.Self-excitation of induction motor shunted with LC filter of high voltage variable voltage variable frequency device[J].AEPS,2003,27(4):45-49(in Chinese). [5]蔣霞;姜齊榮;嚴干貴;等.;高壓變頻調速中LC濾波電容與非同步電機之間的自激[J]