#POWER BOOSTER ELECTRICAL INSTALL#
Quadrature boosters thus provide a means of relieving overloads on heavily laden circuits and re-routing power via more favorable paths.Īlternately, where an interchange partner is intentionally causing significant "inadvertent energy" to flow through an unwilling interchange partner's system, the unwilling partner may threaten to install a phase shifter to prevent such "inadvertent energy", with the unwilling partner's tactical objective being the improvement of its own system's stability at the expense of the other system's stability.
Where parallel circuits with different capacities exist between two points in a transmission grid (for example, an overhead line and an underground cable), direct manipulation of the phase angle allows control of the division of power flow between the paths, preventing overload. 400 MVA 220/155 kV phase-shifting transformer.Ī phase angle regulating transformer, phase angle regulator ( PAR, American usage), phase-shifting transformer, phase shifter (West coast American usage), or quadrature booster ( quad booster, British usage), is a specialised form of transformer used to control the flow of real power on three-phase electric transmission networks.įor an alternating current transmission line, power flow through the line is proportional to the sine of the difference in the phase angle of the voltage between the transmitting end and the receiving end of the line.
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