Leeds & Northrup apparatus at the Louisiana Purchase Exposition 1904 (1904)
Leeds and Northrup Company · Leeds and Northrup Company · leaf 42
halt wave of the electromotive force and current. The pow<uh,n the cun when the electromotive force is zero as the curve shows. The negative loop is nearly as large as the positive,and the current lags nearly 88° behind the electromotive force. The current IS almost entirely free from harmonics,… … 42 THE LEEDS & XORTHRUP COMPANY Plate II Curve I is the electromotive force of the same alternator giving thecurve of plate I. A condenser of 21 microfarads is joined to the ter-minals of the alternator, and this condenser current reacts 6r\ the arma-ture, strengthening the harmonics. Curve II…
Electricity · Electrical Equipment · Electric Circuits · Electronics
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