描述

變頻器功能參數(shù)很多，一般都有數(shù)十甚至上百個參數(shù)供用戶選擇。實際應用中，沒必要對每一參數(shù)都進行設置和調試，多數(shù)只要采用出廠設定值即可。但有些參數(shù)由于和實際使用情況有很大關系，且有的還相互關聯(lián)，因此要根據(jù)實際進行設定和調試。

因各類型變頻器功能有差異，而相同功能參數(shù)的名稱也不一致，為敘述方便，本文以富士變頻器基本參數(shù)名稱為例。由于基本參數(shù)是各類型變頻器幾乎都有的，完全可以做到觸類旁通。

一加減速時間

加速時間就是輸出頻率從0上升到最大頻率所需時間，減速時間是指從最大頻率下降到0所需時間。通常用頻率設定信號上升、下降來確定加減速時間。在電動機加速時須限制頻率設定的上升率以防止過電流，減速時則限制下降率以防止過電壓。

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