A distribution transformer on-load capacity and voltage regulation system
A technology for distribution transformers and voltage regulation systems, applied in transformers, variable transformers, transformer/inductor components, etc., can solve problems such as voltage fluctuations, difficult automatic control, and inrush currents, and achieve stable current and voltage fluctuations. The effect of stable waveform and smooth transition process
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[0013] The on-load capacity and voltage regulation system of the distribution transformer in this embodiment takes a distribution transformer with a voltage regulation range of ±1×5% UN as an example. The distribution transformer includes 3 taps, which are 95%, 100% and 105%, respectively. Such as figure 1 with figure 2 As shown, including: A-phase winding, B-phase winding and C-phase winding installed on the high-voltage side of the distribution transformer, and a-phase winding, B-phase winding and C-phase winding installed on the low-voltage side of the distribution transformer. The three voltage-regulating taps of the A-phase winding are respectively connected in series with the tap-changers KV1.1, KV1.2 and KV1.3 and then connected together. Similarly, the three voltage-regulating taps of the B-phase winding are respectively connected in series with the tap-changer KV2.1 , KV2.2 and KV2.3, the three voltage regulating taps of the C-phase winding are respectively connecte...
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