Treatment method and device for three-phase unbalance
A three-phase, balanced technology, applied in the direction of reducing the asymmetry of the polyphase network, eliminating/reducing the asymmetry of the polyphase network, etc., can solve the high cost, the three-phase unbalanced operation of the distribution transformer, and the asynchrony of the single-phase load. and other issues to achieve the effect of reducing the cost of governance
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Embodiment 1
[0045] The invention provides a treatment method for three-phase unbalance, such as figure 1 As shown, the governance methods include:
[0046] Step 1, collecting the signal parameters of the three-phase unbalanced current of the distribution transformer;
[0047] Step 2. Calculate the three-phase unbalance value corresponding to the signal parameter according to the collected signal parameters, and compare the calculated three-phase unbalance value with the preset three-phase unbalance threshold;
[0048] Step 3. If the comparison result shows that the three-phase unbalanced current is unqualified, then judge the unbalanced current range of the three-phase unbalanced current, and determine the use mode of the control switch, capacitor combination, and power electronic generator based on the determination result. Update the control mode stored in the controllable unit list according to the subsequent usage mode;
[0049] Step 4: Start the control unit to control the three-ph...
Embodiment 2
[0072] This embodiment proposes a treatment device for three-phase unbalance, such as figure 2 As shown, the management device includes:
[0073] The acquisition unit 11 is used to acquire the signal parameters of the three-phase unbalanced current of the distribution transformer;
[0074] The comparison unit 12 is configured to calculate a three-phase unbalance value corresponding to the signal parameter according to the collected signal parameters, and compare the calculated three-phase unbalance value with a preset three-phase unbalance threshold;
[0075] The judging unit 13 is used to judge the unbalanced current interval of the three-phase unbalanced current if the comparison result shows that the three-phase unbalanced current is unqualified, and determine the use mode of the control switch, capacitor combination, and power electronic generator according to the judgment result , updating the control mode stored in the controllable unit list based on the determined usa...
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