CN104733176B - And damp the winding method of arc suppression coil Secondary Winding - Google Patents

Abstract

The invention discloses winding method that is a kind of and that damp arc suppression coil Secondary Winding, Secondary Winding is divided into two sections, every section each one layer, it is wound on respectively on two arc suppression coil upper yoke stem stems, Secondary Winding supports the processes such as rod, eight word colligations, two ends insulating strength in winding process by increase, finally with epoxy resin room temperature castable moulding by casting, Secondary Winding has that mechanical strength height, good insulation preformance, loss be low, the advantage of low cost, while reducing production cost and the operating cost of arc suppression coil, improve arc suppression coil body reliability of operation.

Description

And damp the winding method of arc suppression coil Secondary Winding

Technical field

The present invention relates to winding method that is a kind of and that damp arc suppression coil Secondary Winding.

Background technology

And damp arc suppression coil and need by the Secondary Winding purpose that play suppression system series resonance in parallel with damping resistance, the independent coiling of Secondary Winding, isolate with high pressure winding completely.Monolayer, single hop coiling Secondary Winding structure in, add the height of Secondary Winding, and the length of iron yoke stem stem, the total height of air gap, the height of each iron-cored cake and window height are fixing, decrease the quantity of air gap, while adding the height of each air gap, add the diffraction area of each air gap, cause the more magnetic line of force through high-tension coil thus to produce eddy-current loss inside wire.At present conventional production technology is typically directly to tighten up wire with glass tape, with glue in one layer of confining bed of external coating, bad mechanical strength, easily loosens, thus causes turn-to-turn insulation and to problems such as the insulation of high pressure winding.

Summary of the invention

For solving the problems referred to above that prior art exists, body invention provides winding method that is a kind of and that damp arc suppression coil Secondary Winding, and its concrete operation is as follows:

(1) processing length of upper yoke stem stem is determined: winding upper surface distance upper yoke stem stem lower surface distance is more than or equal to 50mm, distance upper yoke stem stem lower surface, winding lower surface is more than or equal to 20mm, the number of turn according to the corresponding different Secondary Winding of each capacity and the height of line rule calculating Secondary Winding, determine the length of upper yoke stem stem；

(2) on upper yoke stem stem, the top and bottom of winding are marked with marking pen, below the labelling being close to winding lower end, 4 a diameter of φ 14 of the most uniformly placement unshakable in one's determination, height are the EP rubbers rod of 10mm, it is wound around with glass tape and tightens up, on the correspondence position of the winding of labelling, respectively with a grid cloth and the bottoming of 2 DMD paper (the winding upper and lower side width of width ratio labelling goes out 10mm), upper yoke of wrapping stem stem one week, finally tighten up with glass tape, then on the DMD paper of bottoming, mark the top and bottom of winding again with marking pen and play the position of tail head；

(3) Secondary Winding from lower end start around, right around in 90 ° to the place's wire bending of starting of, winding, carry out 1/2 at bending place DMD paper and glass tape and fold insulating wrapping；

(4) processed by insulating strength starts, from between the grid cloth and DMD paper and iron core of bottoming, at the minimum level of the core limb step with time little level, from the bottom up through grid cloth and the DMD paper of bottoming, and the place's of starting glass tape is tightened up, fixes；

(5) coiling wire turn is started, separate with DMD paper between the place of starting and adjacent turn wire, and in winding process, first circle wire glass tape is circumferentially fixed at 4, fixing glass tape is pressed in below adjacent 3～5 circle wires, beat wire simultaneously, the top 3 circle wire to coil, also tightens up with glass tape；

(6) after the number of turn of the complete design of wire coiling, rear-end correspondence position blocks after wire is left certain surplus, is then bent by wire in 90 °, carries out 1/2 at bending place DMD paper and glass tape and folds insulating wrapping, is finally fixed by tail end with glass tape；

(7) after wire coiling completes, the method using " eight word colligations " with glass tape, upper end from the lower end oblique pull of winding to winding, again from the lower end of the upper end oblique pull of winding to winding, repeatedly, Secondary Winding is closely linked to be an entirety the most at last, two DMD paper of wrapping again outside wire, tightens up with glass tape；

(8) again another section of Secondary Winding is wound on another upper yoke stem stem by same method, this winding around to for left around to；

After (9) two sections of secondary coil coilings complete, with 0.5mm thickness epoxy plate, the arc suppression coil same iron-cored cake of upper yoke stem stem, lower yoke stem stem are wrapped together, then with epoxy resin room temperature castable moulding by casting, finally the two ends of two sections of Secondary Winding are caused on upper clamping piece.

The method is excellent as lower support with support, effectively avoid winding to glide, winding can be fixed integral by " eight word colligations ", ensure that its mechanical strength, add the insulating strength of the insulant such as DMD paper, glass grid cloth, finally with poured with epoxy resin material moulding by casting, it is ensured that the mechanical strength of Secondary Winding and insulating properties, it is to avoid the Insulation Problems between circle and the circle of Secondary Winding, between winding and iron core, between winding and high-tension coil.

Had by the Secondary Winding of the method coiling that mechanical strength height, good insulation preformance, loss be low, the advantage of low cost, while reducing production cost and the operating cost of arc suppression coil, improve arc suppression coil body reliability of operation.

Accompanying drawing explanation

Fig. 1 is the structural representation of Secondary Winding of the present invention；

Fig. 2 is the enlarged drawing of I part in Fig. 1；

Fig. 3 is the A-A direction view of Fig. 1.

Detailed description of the invention

Below in conjunction with the accompanying drawings the present invention is described further.

And the concrete operation that damps the winding method of arc suppression coil Secondary Winding is as follows:

(1) as shown in Figure 1, determine the processing length of upper yoke stem stem 1, winding upper surface distance upper yoke stem stem 1 lower surface distance is more than or equal to 50mm, distance upper yoke stem stem 1 lower surface, winding lower surface is more than or equal to 20mm, the number of turn according to the corresponding different Secondary Winding of each capacity and the height of line rule calculating Secondary Winding, determine the length of upper yoke stem stem 1.

(2) as shown in Figure 2, on upper yoke stem stem 1, the top and bottom of winding are marked with marking pen, below the labelling being close to winding lower end, four a diameter of φ 14 of the most uniformly placement unshakable in one's determination, height are the EP rubbers rod 5 of 10mm, are wound around with glass tape and tighten up.On the correspondence position of the winding of labelling, respectively with a grid cloth and the bottoming of two DMD paper (the winding upper and lower side width of width ratio labelling goes out 10mm), upper yoke of wrapping stem stem 1 one weeks, finally tighten up with glass tape, then on the DMD paper of bottoming, mark the top and bottom of winding again with marking pen and play the position of tail head.

(3) Secondary Winding from lower end start around, right around to.The winding place of starting wire 3 bends in 90 °, carries out 1/2 at bending place DMD paper and glass tape and folds insulating wrapping.

(4) as shown in Figure 3, processed by insulating strength starts, between the grid cloth and DMD paper and iron core of bottoming, at minimum level and the step of time little level of core limb, from the bottom up through grid cloth and the DMD paper of bottoming, and the place's of starting glass tape is tightened up, fixes.

(5) coiling wire turn is started, separate with DMD paper between the place of starting and adjacent turn wire, and in winding process, first circle wire glass tape is circumferentially fixed at 4, fixing glass tape is pressed in below adjacent 3～5 circle wires, to ensure that lower wire does not glides, beat wire simultaneously, to ensure arrangements of conductors consolidation, the top 3 circle wire to coil, also tightens up with glass tape.

(6) after the number of turn of the complete design of wire coiling, rear-end correspondence position blocks after wire is left certain surplus, is then bent by wire in 90 °, carries out 1/2 at bending place DMD paper and glass tape and folds insulating wrapping, is finally fixed by tail end with glass tape.

(7), after wire coiling completes, use ' eight word colligations with glass tape ' method, from the upper end of the lower end oblique pull of winding to winding, then the lower end from the upper end oblique pull of winding to winding, repeatedly, Secondary Winding is closely linked to be an entirety the most at last.Wrap again outside wire two DMD paper, tighten up with glass tape.

(8) again another section of Secondary Winding is wound on another upper yoke stem stem by same method, this winding around to for left around to.

After (9) two sections of secondary coil coilings complete, with 0.5mm thickness epoxy plate 4, arc suppression coil upper yoke stem stem 1 is wrapped together with iron-cored cake 6, lower yoke stem stem 2, then with epoxy resin room temperature castable moulding by casting, finally the two ends of two sections of Secondary Winding are caused on upper clamping piece.

Claims (1)

1. one kind and damp the winding method of arc suppression coil Secondary Winding, it is characterised in that concrete operation is as follows:

(1) processing length of upper yoke stem stem is determined: winding upper surface distance upper yoke stem stem lower surface is more than or equal to 50mm, distance upper yoke stem stem lower surface, winding lower surface is more than or equal to 20mm, the number of turn according to the corresponding different Secondary Winding of each capacity and the height of line rule calculating Secondary Winding, determine the length of upper yoke stem stem；

(2) on upper yoke stem stem, the top and bottom of winding are marked with marking pen, below the labelling being close to winding lower end, the most uniformly 4 a diameter of φ 14 of placement unshakable in one's determination, it it is highly the EP rubbers rod of 10mm, it is wound around with glass tape and tightens up, on the correspondence position of the winding of labelling, respectively with a grid cloth and 2 DMD paper bottoming, the winding upper and lower side width of its width ratio labelling goes out 10mm, one grid cloth and 2 DMD paper are wrapped upper yoke stem stem one week, finally tighten up with glass tape, on the DMD paper of bottoming, mark the top and bottom of winding again with marking pen again and play the position of tail head；

(3) Secondary Winding from lower end start around, right around in 90 ° to the place's wire bending of starting of, winding, carry out 1/2 at bending place DMD paper and glass tape and fold insulating wrapping；

(4) processed by insulating strength starts, from between the grid cloth and DMD paper and iron core of bottoming, at the minimum level of the core limb step with time little level, from the bottom up through grid cloth and the DMD paper of bottoming, and the place's of starting glass tape is tightened up, fixes；

(5) coiling wire turn is started, separate with DMD paper between the place of starting and adjacent turn wire, and in winding process, first circle wire glass tape is circumferentially fixed at 4, fixing glass tape is pressed in below adjacent 3～5 circle wires, beat wire simultaneously, the top 3 circle wire to coil, also tightens up with glass tape；

(6) after the number of turn of the complete design of wire coiling, rear-end correspondence position blocks after wire is left certain surplus, is then bent by wire in 90 °, carries out 1/2 at bending place DMD paper and glass tape and folds insulating wrapping, is finally fixed by tail end with glass tape；

(7) after wire coiling completes, the method using " eight word colligations " with glass tape, upper end from the lower end oblique pull of winding to winding, again from the lower end of the upper end oblique pull of winding to winding, repeatedly, Secondary Winding is closely linked to be an entirety the most at last, two DMD paper of wrapping again outside wire, tightens up with glass tape；

(8) again another section of Secondary Winding is wound on another upper yoke stem stem by same method, this winding around to for left around to；

After (9) two sections of secondary coil coilings complete, with 0.5mm thickness epoxy plate, the arc suppression coil same iron-cored cake of upper yoke stem stem, lower yoke stem stem are wrapped together, then with epoxy resin room temperature castable moulding by casting, finally the two ends of two sections of Secondary Winding are caused on upper clamping piece.