CN201146149Y - 800 kV can-type hexafluoride sulphur circuit breaker - Google Patents

Abstract

A pot type sulfur hexafluoride breaker of 800KV includes pot bodies, series fractures, a control cubicle, a closing resistance, capacitors, bushings, insulating tension rods, the movable contact terminals of an arc extinguishing chamber, current transformators and hydraulic operation mechanisms; the breaker is characterized by consisting of three independently operated single poles and the control cubicle; each single pole is provided with one pot body and three series of fractures are arranged in the pot bodies; wherein, two are main fractures; another is the fracture of the closing resistance; the closing resistance and the fracture of the closing resistance are connected in parallel; the two ends of the main fracture are connected with the capacitors in parallel; the bushings are arranged above the pot bodies; the current transformators are arranged on the connection locations of the pot bodies and the bushings; one end of the pot body is provided with the hydraulic operation mechanisms; the hydraulic operation mechanisms are connected with the movable contact terminals of the arc extinguishing chamber by the insulating tension rods; compared with the prior art, the pot type sulfur hexafluoride breaker of 800KV has the advantages of good switch-on off property, low operation power, being quiet and high stability; besides, the utility model can replace imported products and realize the localization of the electric network devices.

Description

800KV pot type sulfur hexafluoride breaker

Technical field

The utility model relates to the outdoor high voltage switchgear field, particularly a kind of 800KV pot type sulfur hexafluoride breaker.

Background technology

Continuous expansion along with the 800KV electrical network, the demand of 800KV pot type sulfur hexafluoride breaker is also increasing, at present, and the domestic also pot type sulfur hexafluoride breaker of this grade not, and imported product exists cut-offfing property low, and operating work is big, noise is high and the shortcoming of poor stability.

Summary of the invention

It is good that the purpose of this utility model provides a kind of break performance, and operating work is little, noise is low and the 800KV pot type sulfur hexafluoride breaker of good stability.

The utility model is to realize like this, it comprises tank body, the series connection fracture, convergence control cabinet, switching-on resistance, capacitor, sleeve pipe, insulated tension pole, the arc control device moving contact, current transformer and hydraulic actuating mechanism, it is characterized in that forming by the one pole and the convergence control cabinet of three independent operations, each one pole has a tank body, in tank body, be provided with three series connection fractures, wherein two is main fracture, another is the switching-on resistance fracture, switching-on resistance is in parallel with the switching-on resistance fracture, two ends at main fracture are parallel with capacitor, above tank body, be provided with sleeve pipe, outside the junction of tank body and sleeve pipe, current transformer is housed, end at tank body is provided with hydraulic actuating mechanism, and hydraulic actuating mechanism is connected with the arc control device moving contact by insulated tension pole.

The utility model compared with prior art break performance is good, and operating work is little, noise is low and stable strong advantage, and it can import substitutes, realizes the production domesticization of grid equipment.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further described;

Fig. 1 is the structural representation of 800KV pot type sulfur hexafluoride breaker,

Fig. 2 is the monopolar configuration schematic diagram.

Embodiment

Shown in Fig. 1-2, this 800KV pot type sulfur hexafluoride breaker comprises tank body 1, main fracture 2, switching-on resistance fracture 11, convergence control cabinet 3, switching-on resistance 4, capacitor 5, sleeve pipe 6, insulated tension pole 7, arc control device moving contact 8, current transformer 9 and hydraulic actuating mechanism 10, one pole and convergence control cabinet 3 by three independent operations are formed, each one pole has a tank body 1, in the tank body 1 of each one pole, be provided with three series connection fractures, wherein two is main fracture 2, another is a switching-on resistance fracture 11, switching-on resistance 4 is in parallel with switching-on resistance fracture 2, be parallel with capacitor 5 at the two ends of main fracture 2, above tank body 1, be provided with sleeve pipe 6, in the tank body 1 and the junction of sleeve pipe 6 current transformer 9 is housed, end at tank body 1 is provided with hydraulic actuating mechanism 10, and hydraulic actuating mechanism 10 is connected with arc control device moving contact 8 by insulated tension pole 7.

Claims (1)

1. A kind of 800KV pot type sulfur hexafluoride breaker, it comprises tank body, the series connection fracture, convergence control cabinet, switching-on resistance, capacitor, sleeve pipe, insulated tension pole, the arc control device moving contact, current transformer and hydraulic actuating mechanism, it is characterized in that forming by three one poles and convergence control cabinet, in the tank body of each one pole, be provided with three series connection fractures, wherein two is main fracture, another is the switching-on resistance fracture, switching-on resistance is in parallel with the switching-on resistance fracture, two ends at main fracture are parallel with capacitor, above tank body, be provided with sleeve pipe, outside the junction of tank body and sleeve pipe, current transformer is housed, end at tank body is provided with hydraulic actuating mechanism, and hydraulic actuating mechanism is connected with the arc control device moving contact by insulated tension pole.

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