convergence transformer 中文意思是什麼
convergence transformer
解釋
收斂變壓器- convergence : n. 1. 聚合，會聚，輻輳，匯合。2. 集合點；【數、物】收斂；【生物學】趨同（現象）。
- transformer : n. 使變化的人[東西]；【電學】變壓器；變換器；互感器。 polarity of transformer 變壓器繞線方向。
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As the back - propagation neural network ( bpnn ) is adopted to diagnose the dissolved gases of transformer, convergence rate becomes slow, convergence precision becomes bad and even being out of convergence as more sampled data are trained and more complicated relation between input and output becomes
根據電力變壓器油中溶解氣體分析（ dga ） ，採用反向傳播神經網路（ bpnn ）對電力變壓器進行故障診斷時，隨著學習樣本數目的增多，輸入輸出關系的復雜化，網路收斂的速度將變得緩慢，收斂精度不理想甚至不收斂。 -
Making use of the idea of the parallel genetic algorithms, presenting the adaptive multiple subpopulation evolutive strategy. presenting extinction and immigration strategy in order to avoid the similar or even same individuals appear. in order to enhance convergence velocity of reactive power optimization of the radial distribution system, combining the characteristic of the radial distribution system, a sensitivity analysis approach was build up for optimal selection of capacitors and mutation of transformer tap changer
為了提高配電網無功優化的收斂速度，結合配電網的特點，提出採用簡單可行的靈敏度公式選擇無功電容補償器的安裝地點，並用靈敏度分析變異變壓器分接頭，使變異運算元的選取更符合配電網無功優化問題中關于調節變壓器分接頭的實際情況，減少了一些不必要的變異運算，使適應性和魯棒性加強；根據實際情況採用無功補償電容器的啟發式變異，使變異運算元的選取更符合無功優化問題中關于補償電容器的實際。 -
This algorithm improves confidence in se by estimating parameters and states at the same time. simulation results on test power systems which range in size from 4 to 118 buses, have shown the virtues as follows : getting unbiased estimation without detecting and identifying bad data in measurements ; solving state and parameter estimation for power system with good convergence and excellent robust property ; increasing the numbers of iterations a little bit with the test systems expanded ; estimating many transformer taps simultaneously and remaining the main state estimation ; keeping the estimated relative error within + 0. 1 % and processing efficiently equality constraints and ill condition with polynomial complexity
對ieee ? 4 118節點系統和廣西主網進行的模擬結果表明： l1范數估計具有不良數據拒絕特性，當量測量中存在不良數據時，該演算法在不經檢測和辨識不良數據情況下仍是無偏估計，具有良好收斂性，所需迭代次數隨著問題規模擴大而增長極小；能夠同時估計多個變壓器抽頭，並保持狀態估計主體；在滿足可觀測性條件下，估計的相對誤差保證在0 . 1以內；能夠有效處理等式約束和病態條件，並具有多項式時間性。 -
Its principal means is to regulate transformer rate and to parallel with capacitors. thie paper implements reactive power optimization calculation based on above mathematical model by genetic algorithm. to overcome the poorly computational efficiency of genetic algorothm, we also makes an improvement of it to enhances its convergence speed and search efficiency
無功優化主要採用調整變壓器分接頭和並聯電容器兩種方法，用遺傳演算法實現了基於以上數學模型的配電網無功優化計算，針對遺傳演算法計算效率低的現象對常規遺傳演算法加以改進，進一步提高了演算法的計算效率和全局尋優能力。
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