Online ice melting device
A technology for melting ice and lines, which is applied in overhead installation, cable installation, overhead line/cable equipment, etc., and can solve problems affecting the safety of transmission lines
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Embodiment 1
[0023] figure 1 A schematic structural diagram of an online ice-melting device provided in Embodiment 1 of the present invention, refer to figure 1 , the device is used for melting ice of a three-phase line, and the device includes: an adjustable reactor 100, a grounding transformer 200, a controller 300 and an auxiliary circuit 400;
[0024] Wherein, the grounding transformer 200 is electrically connected to the three-phase line and the first end of the adjustable reactor 100 respectively, the auxiliary circuit 400 is connected between the second end of the adjustable reactor 100 and any phase line of the three-phase line, and grounded Transformer 200, adjustable reactor 100, auxiliary circuit 400 and any phase line of the three-phase line form a first control loop 600;
[0025] Among them, refer to figure 1 , the three-phase line includes the first phase line La, the second phase line Lb and the third phase line Lc, the auxiliary circuit 400 is connected between the second...
Embodiment 2
[0031] figure 2 It is a structural schematic diagram of an adjustable reactor of an online ice-melting device provided in Embodiment 2 of the present invention, refer to figure 2 , the working winding includes the main coil winding MW, the control winding includes the first secondary coil winding CW, the short-circuit winding includes a plurality of second secondary coil windings, such as SW1, SW2, ... SWN in the figure, and the main coil winding MW is connected to the grounding transformer 200 and the auxiliary circuit 400 , each second secondary coil winding is sequentially connected in series, and the first secondary coil winding CW and the second secondary coil winding are respectively electrically connected to the controller 300 .
[0032] Wherein, the first end of the main coil winding MW is electrically connected to the grounding transformer 200 , and the second end of the main coil winding MW (the end marked with * in the figure) is electrically connected to the auxi...
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