Single-phase precision alternating-current voltage stabilizer
An AC voltage stabilizer, the technology of the voltage stabilizer, which is applied in the direction of instruments, regulating electrical variables, control/regulating systems, etc. The effect of reducing the pressure regulating friction movement and reducing the workload
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Embodiment 1
[0127] This embodiment combines Figure 6 to Figure 11 ,and Figure 25 Be explained.
[0128] Figure 6 It is one of the invented circuit diagrams in which the superimposed excitation coil has a tap. The black dot of the relay in the figure is the conversion terminal. Figure 6 Each relay in is in release state; Figure 7 It is the second circuit diagram of the invention in which the superimposed excitation coil has one tap, the JD-1 relay in the figure is closed, and the JD-2 and JD-3 relays are released; Figure 8 It is the third invention circuit diagram in which the superimposed excitation coil has one tap, the JD-1 relay and JD-2 relay in the figure are pulled in, and the JD-3 relay is released; Figure 9 It is the fourth circuit diagram of the invention in which the superimposed excitation coil has one tap, and the JD-1, JD-2 and JD-3 relays in the figure are all closed; Figure 10 It is the fifth invention circuit diagram in which the superimposed excitation coil h...
Embodiment 2
[0164] combine Figure 12 to Figure 19 Be explained. The superimposed excitation coil in this embodiment has two taps, such as Figure 12 As shown; in the invention of the voltage stabilizer, the preliminary, large-scale voltage stabilization task is completed by the voltage regulator and the compensation transformer; the refined and precise voltage stabilization task is completed by the stacked compensation transformer and four relays; the four The relays are respectively: a first relay JD-1, a second relay JD-2, a third relay JD-3 and a fourth relay JD-4.
[0165] Figure 19 yes Figure 12 Enlarged view of the right part, Figure 19 Labels JX1, JX2, JX3 and JX4 are also added in , which are respectively: the first terminal, the second terminal, the third terminal and the fourth terminal of the superimposed excitation coil;
[0166] After the regulator and compensation transformer stabilize the voltage, the output voltage V-1 of the compensation coil can achieve the high...
Embodiment 3
[0181] In the inventive voltage stabilizer in the second embodiment above, the superimposed excitation coil has two taps, the large-scale voltage stabilization task is completed by the voltage regulator and the compensation transformer, and the refined and precise voltage stabilization task is completed by the superimposed compensation transformer and the compensation transformer. Four relays to complete; four relays are: JD-1, JD-2, JD-3 and JD-4.
[0182] In this embodiment, a control circuit is introduced, which can automatically control the first relay JD-1, the second relay JD-2, the third relay JD-3 and the fourth relay JD-4.
[0183] combine Figure 26 and Figure 20 Be explained.
[0184] Figure 26 yes Figure 12 The redrawing of the drawing, with Figure 12 compared to, Figure 26 The aa connection point and the nn connection point are added in . Figure 26 Explanation of the labels in: A is the phase line input terminal of the voltage stabilizer; a is the pha...
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