CV-OPCINT OPC集成器 _廈門阿米控技術有限公司

產品標題:CV-OPCINT OPC集成器

型號： CV-OPCINT

品牌：霍尼韋爾

產品詳情資料：

469有三個相電流輸入通道，每個通道都有一個隔離變壓器。電流輸入上沒有內部接地連接。如果裝置被撤回，469外殼上的各相CT電路會被自動機構短路。應選擇相位CT，使FLA不小於額定相位CT一次的50%。理想情況下，應選擇CT初級相位，以使FLA為CT初級相位的***，或稍小，絕不超過。這將確保電流測量的精度。相CT一次電流為5000 A。469可正確測量相電流額定值的20倍。由於轉換範圍較大，訂購時***1 A或5 A CT次級，以確保裝置中安裝了適當的插入式CT。所選CT能夠驅動469相CT負載（額定值見***-5頁***.2節：規範）。

產品英文詳情資料：

The 469 has three channels for phase current inputs, each with an isolating transformer. There are no internal ground connections on the current inputs. If the unit is withdrawn, each phase CT circuit is shorted by automatic mechanisms on the 469 case. The phase CTs should be chosen so the FLA is no less than 50% of the rated phase CT primary. Ideally, the phase CT primary should be chosen such that the FLA is *** of the phase CT primary or slightly less, never more. This will ensure maximum accuracy for the current measurements. The maximum phase CT primary current is 5000 A. The 469 correctly measures up to 20 times the phase current nominal rating. Since the conversion range is large, 1 A or 5 A CT secondaries must be specified at the time of order to ensure the appropriate interposing CT is installed in the unit. The chosen CTs must be capable of driving the 469 phase CT burden (see Section 1.2: SPECIFICATIONS on page 1–5 for ratings).

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