CN202434299U

CN202434299U - Three-phase integrated parallel reactor

Info

Publication number: CN202434299U
Application number: CN2011205154898U
Authority: CN
Inventors: 李习芹; 王维征; 刘连兴; 刘彦; 吴文林; 吴志杰
Original assignee: Baoding Tianwei Group Co Ltd
Current assignee: Baoding Tianwei Group Co Ltd
Priority date: 2011-12-12
Filing date: 2011-12-12
Publication date: 2012-09-12
Anticipated expiration: 2021-12-12

Abstract

The utility model discloses a three-phase integrated parallel reactor, and is characterized in that an iron core is a ladle-shaped iron core, a winding of each phase of three-phase windings is respectively placed in the iron core, and is clamped and fastened by an upper clamping part, a lower clamping part, a pull screw and a core passing screw in insulation connection; the winding of each phase is respectively formed by a winding encircled by wire cakes and a formed insulator located between the wire cakes; the winding of each phase adopts two ways of parallel structures, after phase windings are respectively introduced from a front-end outgoing line and a tail-end outgoing line of the winding of each phase, the phase windings are connected with a front-end sleeve and a tail-end sleeve of each phase, and after wiring sheets of each tail-end sleeve are connected through a ground lead, the wiring sheets are introduced to the lower part of an oil tank. The three-phase integrated parallel reactor, provided by the utility model, has the advantages of being light in integrated weight, small in volume and capable of greatly reducing the cost; capacitive current can be compensated to a circuit to inhibit voltage of an electric network to increase, and power frequency voltage cannot be increased in an ultra-high-voltage remote power transmission system, so that the power transmission system works more stably.

Description

Three-phase integrated shunt reactor

Technical field

The utility model relates to a kind of shunt reactor.

Background technology

The shunt reactor of existing voltage levels all adopts phase structure, adds the neutral point reactor by three single-phase reactors again and is connected into star, through neutral point reactor ground connection.Each single-phase reactor all need be equipped with the assembly that a cover is made up of main group such as terminal box, oil conservator, pasta thermometer, winding temperature gage, pressure releaser made, Buchholz relay, dehydrating breather, couplet pipe and cooling device parts; Four need to be equipped with 4 grip assemblies; Its overall weight is heavy; Cost is high, is difficult for installing; In superhigh pressure long distance power transmission system, because the capacity effect of circuit often causes that power-frequency voltage raises, but transmission line does not allow to move in long-term surpassing under the situation of rated voltage 5%.

The utility model content

The purpose of the utility model is exactly to solve the problems referred to above that exist in the prior art, provides that a kind of overall weight is light, cost is low; Can suppress the three-phase integrated shunt reactor that line voltage raises to the line build-out capacitance current.

For addressing the above problem; The technical solution of the utility model is: a kind of three-phase integrated shunt reactor, and it comprises fuel tank, iron core, three phase windings, upper clamping piece, lower clamping piece, head end sleeve pipe, terminal sleeve pipe, is fixed on fuel tank outside terminal box, oil conservator, pasta thermometer, winding temperature gage, pressure releaser made, Buchholz relay, dehydrating breather, couplet pipe and cooling device; Iron core is an order font iron core, and every phase winding of three phase windings places in the iron core respectively, and by upper clamping piece, lower clamping piece, draw screw rod to be fixedly clamped with the core through screw rod that is connected of insulation; Every phase winding is made up of the coil of line cake coiling and the molded insulator between online cake respectively; Every phase coil adopts the two-way parallel-connection structure, after the head end lead-out wire of every phase coil and terminal lead-out wire are drawn phase winding respectively, is connected with terminal sleeve pipe with every head end sleeve pipe mutually, and each terminal conduit connection sheet causes the fuel tank bottom after connecting through ground lead.

Because the utility model has been made integrative-structure with the iron core and three phase windings of parallel three phase reactor; It is installed in the fuel tank; Only need to be equipped with the assembly that a cover is made up of main group such as terminal box, oil conservator, pasta thermometer, winding temperature gage, pressure releaser made, Buchholz relay, dehydrating breather, couplet pipe and cooling device parts, compare and can practice thrift three grip assemblies with add star shunt reactor that the neutral point reactor forms by three single-phase reactors, and iron core employing " order font " structure; Save three iron core column; Iron core weight significantly reduces, so the utility model overall weight is light, volume is little, cost significantly reduces.The utility model can suppress line voltage and raise to the line build-out capacitance current, can not cause that in superhigh pressure long distance power transmission system power-frequency voltage raises, and makes the transmission system more stable work.The utility model compact conformation, good looking appearance.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is the left view of the utility model;

Fig. 3 is the vertical view of the utility model;

Fig. 4 is the front view of device body in the utility model;

Fig. 5 is the vertical view of device body in the utility model;

Fig. 6 is the assembling plan view of coil, iron core in the utility model;

Fig. 7 is the line cake arrangement architecture sketch map of coil in the utility model.

Embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is done and to be further described.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7, present embodiment comprises fuel tank 4, comprise iron core 13, three

phase windings

12,14,15, upper clamping piece, lower clamping piece, head end sleeve pipe 8, terminal sleeve pipe 3, be fixed on fuel tank 4 outside terminal box 9, oil conservator 1, pasta thermometer 20, winding temperature gage 21, pressure releaser made 7, Buchholz relay 2, dehydrating breather 5, join pipe and cooling device.Iron core 13 is an order font iron core, and every phase winding 12,14,15 of three phase windings places respectively in the iron core 13, and by upper clamping piece, lower clamping piece, draw screw rod 11 to be fixedly clamped with the core through screw rod 10 that is connected of insulation.Every phase winding 12,14 or 15 is respectively by two groups of line cakes (1), (2), (3) ... (N) coil 18 of coiling and the molded insulator between online cake are formed.Every phase coil 18 adopts the two-way parallel-connection structure: two groups of line cakes (1), (2), (3) ... (N) head end is connected with head end, terminal and terminal the connection; Head end after the connection is drawn the head end lead-out wire 17 and terminal lead-out wire 16 that forms coil by lead-in wire respectively with terminal.After the head end of every phase coil and terminal lead-out

wire

17,16 are drawn each phase winding respectively, connect the head end sleeve pipe 8 and terminal sleeve pipe 3 of each phase, each mutually terminal sleeve pipe 3 lug plate all is connected on the ground lead, causes fuel tank 4 bottoms again.6 is the accident fuel outlet valve.

Claims

1. three-phase integrated shunt reactor, it comprises fuel tank, iron core, three phase windings, upper clamping piece, lower clamping piece, head end sleeve pipe, terminal sleeve pipe, is fixed on fuel tank outside terminal box, oil conservator, pasta thermometer, winding temperature gage, pressure releaser made, Buchholz relay, dehydrating breather, couplet pipe and cooling device; It is characterized in that: iron core is an order font iron core, and every phase winding of three phase windings places in the iron core respectively, and by upper clamping piece, lower clamping piece, draw screw rod to be fixedly clamped with the core through screw rod that is connected of insulation; Every phase winding is made up of the coil of line cake coiling and the molded insulator between online cake respectively; Every phase coil adopts the two-way parallel-connection structure, after the head end lead-out wire of every phase coil and terminal lead-out wire are drawn phase winding respectively, is connected with terminal sleeve pipe with every head end sleeve pipe mutually, and each terminal conduit connection sheet causes the fuel tank bottom after connecting through ground lead.