Image:Quad booster.svg

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Quad_booster.svg‎ (875 × 563 pixel, file size: 23 KB, MIME type: image/svg+xml)

Simplified one-line diagram showing the effect of tapping a Quadrature phase booster (shaded grey).

Both images show a notional 100 MW generator supplying a 100 MW load through a pair of lossless transmission lines, one of which features a quadrature booster with a tap range of 1-19.

In the left-hand image, the quadrature booster is at its centre-tap position and has a phase angle of 0°. It thus does not affect the power flow through its circuit and both lines are equally loaded at 50 MW. The right-hand image shows the same network with the quadrature booster tapped so to buck the power flow. The resulting negative phase angle has transferred 23 MW of loading onto the parallel circuit.

(The values used here are arbitrary; the actual shift in load would depend upon the design parameters of the quadrature booster and of the transmission lines.)

I, the creator of this work, hereby grant the permission to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
Subject to disclaimers.

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(del) (cur) 09:24, 2 January 2006 . . BillC (Talk | contribs) . . 875×563 (24,061 bytes) (Change 'load angle' to 'phase angle', add tap ranges)
(del) (rev) 01:08, 2 January 2006 . . BillC (Talk | contribs) . . 875×563 (22,892 bytes) (New version with reduced margins)
(del) (rev) 00:51, 2 January 2006 . . BillC (Talk | contribs) . . 1052×744 (22,916 bytes) (Simplified one-line diagram showing the effect of tapping a Quadrature phase booster. {{GFDL-self}})