The design of detecting voltage of single piece fuel - cell 燃料電池堆單片電壓巡檢系統(tǒng)設(shè)計(jì)
Based on the new method , a digital meter of detecting voltage fluctuation and flicker is implemented with single chip microprocessor 基于新的檢測(cè)方法,設(shè)計(jì)了用單片機(jī)系統(tǒng)實(shí)現(xiàn)的電壓波動(dòng)與閃變微機(jī)檢測(cè)儀。
The basic concepts and character values of voltage fluctuation and flicker are introduced firstly , and then the common methods of suppress the voltage fluctuation are discussed . further more , the process of extracting voltage fluctuation signal and calculating flicker values is analyzed , and the principle of detecting voltage fluctuation and flicker is detailed . by analyzing and comparing the features of the methods and devices in existence , a new digital detection method is present 論文介紹了電壓波動(dòng)和閃變的基本概念、特征量以及抑制電壓波動(dòng)與閃變的常用方法,從電壓波動(dòng)信號(hào)的提取和閃變值的獲得兩方面系統(tǒng)地闡述了電壓波動(dòng)與閃變的檢測(cè)原理,分析比較了現(xiàn)有測(cè)量方法和裝置的特點(diǎn)和優(yōu)劣,在此基礎(chǔ)上,提出了一種新的數(shù)字式微機(jī)檢測(cè)方法。
By using a counter and an operation microprocessor , this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state . this instrument takes samples of voltage , current signal and strong and weak of high frequency signals of detecting voltage amplitude , translates them into various time pulses in discharging state . and a counting unit turns these pulses into digital signals , then send them to a microprocessor . finally various discharge time percentages are sent to the control tache 通過采樣電火花加工放電間隙的電壓、電流信號(hào)和檢測(cè)電壓幅值上的高頻信號(hào)的強(qiáng)弱,得出反映間隙放電狀態(tài)的各種時(shí)間脈沖,利用計(jì)數(shù)器分別對(duì)其計(jì)數(shù),再送給單片機(jī)運(yùn)算處理,輸出控制環(huán)節(jié)所需的各種放電狀態(tài)時(shí)間百分?jǐn)?shù)。
Abstract : by using a counter and an operation microprocessor , this paper analyses the measuring method and designs an instrument of edm sinking process in discharge state . this instrument takes samples of voltage , current signal and strong and weak of high frequency signals of detecting voltage amplitude , translates them into various time pulses in discharging state . and a counting unit turns these pulses into digital signals , then send them to a microprocessor . finally various discharge time percentages are sent to the control tache 文摘:通過采樣電火花加工放電間隙的電壓、電流信號(hào)和檢測(cè)電壓幅值上的高頻信號(hào)的強(qiáng)弱,得出反映間隙放電狀態(tài)的各種時(shí)間脈沖,利用計(jì)數(shù)器分別對(duì)其計(jì)數(shù),再送給單片機(jī)運(yùn)算處理,輸出控制環(huán)節(jié)所需的各種放電狀態(tài)時(shí)間百分?jǐn)?shù)。
It is composed of a cvt embedded voltage monitor and voltage quality analysis software . the monitor can detect voltage amplitude and voltage harmonics on line , and record waveform of disturbance voltage . the sampled data can be stored in computer by communication and can be reprocessed by the analysis software 在理論分析研究的基礎(chǔ)上,設(shè)計(jì)了一種cvt嵌入式電壓質(zhì)量監(jiān)測(cè)儀,它由cvt嵌入式電壓監(jiān)測(cè)儀和電壓質(zhì)量監(jiān)管軟件組成,可以在線檢測(cè)電壓幅值和電壓諧波,記錄電壓擾動(dòng)波形,并在上位機(jī)實(shí)現(xiàn)數(shù)據(jù)二次處理和統(tǒng)計(jì)管理。