Three-phase-single-phase power transformation device and rail transit power supply
A substation, single-phase technology, applied in the output power conversion device, AC power input to AC power output, electrical components and other directions, can solve problems such as voltage imbalance, poor power quality, etc., to improve quality, power High factor, the effect of eliminating harmonic current
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[0058] As a preferred implementation manner, different devices in the rail transit power supply are connected through at least one of optical fibers, power cables or control cables.
[0059] please see Figure 4 , Figure 4 A kind of specific implementation for described rail transit power supply, including:
[0060] (1) The excitation inrush cabinet is mainly equipped with a resistor R11 and a switching switch QF11;
[0061] (2) Transformer cabinet, mainly equipped with phase-shifting transformer 10T11;
[0062] (3) Power cabinet, mainly equipped with power units 20A1-A3N;
[0063] (4) Reactor cabinet, mainly equipped with reactor L11;
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