CN105470849A - Filter compensation medium-voltage equipment of rectifier unit - Google Patents
Filter compensation medium-voltage equipment of rectifier unit Download PDFInfo
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- CN105470849A CN105470849A CN201410460098.9A CN201410460098A CN105470849A CN 105470849 A CN105470849 A CN 105470849A CN 201410460098 A CN201410460098 A CN 201410460098A CN 105470849 A CN105470849 A CN 105470849A
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Abstract
The invention discloses filter compensation medium-voltage equipment of a rectifier unit. The filter compensation medium-voltage equipment comprises a medium-voltage composite apparatus. The medium-voltage composite apparatus is of a fully enclosed whole-combined structure. Namely, a metal shell of the medium-voltage composite apparatus is provided with three single-phase 35 KV high-voltage input terminals and three paths of filtering channel interfaces. A high-voltage switchgear, a main measurement protection part CT, a high-voltage protection grounding part, three sets of single-stage isolation switches, a branch measuring protection part CT and an overvoltage protection part of the medium-voltage composite apparatus are all arranged in the metal shell of the medium-voltage composite apparatus. The metal shell of the medium-voltage composite apparatus is filled with an insulating gas. The medium-voltage equipment is waterproof, dustproof, free from being influenced by the influence of the atmosphere environment, free of the maintenance operation, safe and reliable in operation, intelligible and simple in external wiring, clear in running state and simple to operate. The medium-voltage equipment also has the live-line display function.
Description
Technical field
the present invention relates to a kind of medium-voltage equipment of Rectification Power Factor filtering compensation, belong to the filtering compensation technical field of electrolytic aluminium factory Rectification Power Factor.
Background technology
electrolytic aluminium factory existing Rectification Power Factor filtering compensation medium-voltage distribution appts mostly is dispersion, open type configuration; what 35kV inlet wire held concurrently the employing of PT cabinet is conventional high-pressure switch cubicle; isolating switch and the protective device of three branch's filter circuits are opening-type equipment, adopt aluminium bus array and support is built on stilts connects between high-tension switch cabinet and isolating switch and protective device.Existing Rectification Power Factor filtering compensation circuit floor space is large, configuration and connection complexity, and the locking difficulty of equipment room, Control protection wiring is complicated, and easily cause misoperation, contamination resistance is poor.
Summary of the invention
the object of the invention is to, a kind of medium-voltage equipment of Rectification Power Factor filtering compensation is provided, in employing, press combined electrical apparatus to replace former dispersion, open type Rectification Power Factor filtering medium-voltage distribution appts, to overcome the deficiencies in the prior art.
technical scheme of the present invention forms like this:
a kind of medium-voltage equipment of Rectification Power Factor filtering compensation, described filtering compensation medium-voltage equipment is made up of middle pressure combined electrical apparatus, middle pressure combined electrical apparatus is totally-enclosed full combining structure, namely on the metal shell of middle pressure combined electrical apparatus, be provided with three single-phase 35KV high voltage input terminal and three road filtering channel interfaces, the inlet wire of the high voltage switching device of combined electrical apparatus is pressed to be connected with 35KV high voltage input terminal in composition, the outlet of high voltage switching device is by main measuring and protecting CT, high voltage protective ground connection is connected with branch bar, branch bar is connected with branch measuring and protecting CT through three groups of single-stage isolated switches, branch measuring and protecting CT is connected with three road filtering channel interfaces through overvoltage protection, described high voltage switching device, main measuring and protecting CT, high voltage protective ground connection, three groups of single-stage isolated switches, branch measuring and protecting CT and overvoltage protections are installed in the metal shell of middle pressure combined electrical apparatus, completely have insulating gas metal casing filled.
above-mentioned insulating gas is sulfur hexafluoride gas.
the pressure of the above-mentioned insulating gas be full of in metal shell is 0.4 ~ 06 MPa.
owing to have employed technique scheme, the present invention compared with prior art, the device disperseed in prior art, open type configures all is encapsulated in the metal cabinet of sealing by the present invention, and the gas that case is filled with low-pressure presses combined electrical apparatus C-GIS as in dielectric formation.Use through reality and prove, the present invention can replace former dispersion, open type Rectification Power Factor filter completely.And middle pressure combined electrical apparatus internal control wiring of the present invention is perfect, and shorten debug time, compact conformation, volume is little, partial discharge reduces.There is waterproof and dustproof, not by atmosphere environment impact, eliminate maintenance work, safe and reliable to operation.External cabling is simply clear, has charged Presentation Function, and running status is clear and definite, easy and simple to handle.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention.
being labeled as in figure: press combined electrical apparatus in 1-, 2-35KV high voltage input terminal, 3-tri-road filtering channel interface, 4-high voltage switching device; 5-branch bar, 6-single-pole isolator, the main measuring and protecting CT of 7-; 8-high voltage protective ground connection, 9 branch measuring and protecting CT, 10-overvoltage protection.
Embodiment
below in conjunction with drawings and Examples, the present invention is described in further detail, but not as any limitation of the invention.
embodiment: the structural representation of the medium-voltage equipment of a kind of Rectification Power Factor filtering compensation of the present invention as shown in Figure 1, this filtering compensation medium-voltage equipment is made up of middle pressure combined electrical apparatus 1, middle pressure combined electrical apparatus 1 is totally-enclosed full combining structure, namely on the metal shell of middle pressure combined electrical apparatus 1, be provided with three single-phase 35KV high voltage input terminal 2 and three road filtering channel interfaces 3, the inlet wire of the high voltage switching device 4 of combined electrical apparatus 1 is pressed to be connected with 35KV high voltage input terminal 2 in composition, the outlet of high voltage switching device 4 is by main measuring and protecting CT7, high voltage protective ground connection 8 is connected with branch bar 5, branch bar 5 is connected with branch measuring and protecting CT9 through three groups of single-stage isolated switches 6, branch measuring and protecting CT9 is connected with three road filtering channel interfaces 3 through overvoltage protection 10, described high voltage switching device 4, main measuring and protecting CT7, high voltage protective ground connection 8, three groups of single-stage isolated switches 6, branch measuring and protecting CT9 and overvoltage protection 10 are installed in the metal shell of middle pressure combined electrical apparatus 1, after installing all parts, after metal shell closedown also good seal, then to metal casing filled full insulating gas, insulating gas can adopt sulphur hexafluoride of the prior art (SF6) gas, and by the Stress control of insulating gas that is full of in metal shell in the scope of 0.4 ~ 06 MPa.
three above-mentioned road filtering channel interfaces, high voltage switching device, single-pole isolator, main measuring and protecting CT, high voltage protective ground connection, branch measuring and protecting CT and overvoltage protection all can directly adopt component end item of the prior art.
Claims (3)
1. the medium-voltage equipment of a Rectification Power Factor filtering compensation, it is characterized in that: described filtering compensation medium-voltage equipment is made up of middle pressure combined electrical apparatus (1), middle pressure combined electrical apparatus (1) is totally-enclosed full combining structure, namely on the metal shell of middle pressure combined electrical apparatus (1), three single-phase 35KV high voltage input terminal (2) and three roads filtering channel interface (3) are provided with, the inlet wire of the high voltage switching device of combined electrical apparatus (1) (4) is pressed to be connected with 35KV high voltage input terminal (2) in composition, the outlet of high voltage switching device (4) is by main measuring and protecting CT(7), high voltage protective ground connection (8) is connected with branch bar (5), branch bar (5) is through three groups of single-stage isolated switches (6) and branch measuring and protecting CT(9) be connected, branch measuring and protecting CT(9) be connected with three roads filtering channel interface (3) through overvoltage protection (10), described high voltage switching device (4), main measuring and protecting CT(7), high voltage protective ground connection (8), three groups of single-stage isolated switches (6), branch measuring and protecting CT(9) and overvoltage protection (10) be installed in the metal shell of middle pressure combined electrical apparatus (1), completely have insulating gas metal casing filled.
2. the medium-voltage equipment of Rectification Power Factor filtering compensation according to claim 1, is characterized in that: described insulating gas is
sulphur hexafluoridegas.
3. the medium-voltage equipment of Rectification Power Factor filtering compensation according to claim 1, is characterized in that: the pressure being full of the insulating gas in metal shell is 0.4 ~ 06 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460098.9A CN105470849A (en) | 2014-09-11 | 2014-09-11 | Filter compensation medium-voltage equipment of rectifier unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460098.9A CN105470849A (en) | 2014-09-11 | 2014-09-11 | Filter compensation medium-voltage equipment of rectifier unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105470849A true CN105470849A (en) | 2016-04-06 |
Family
ID=55608297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410460098.9A Pending CN105470849A (en) | 2014-09-11 | 2014-09-11 | Filter compensation medium-voltage equipment of rectifier unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105470849A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243136Y (en) * | 1995-03-15 | 1996-12-18 | 西安高压开关厂 | Three-phase common-box type combined electric appliance |
| CN201750072U (en) * | 2010-07-23 | 2011-02-16 | 山东泰开中压开关有限公司 | Outdoor compound combined electrical equipment for 35KV substation |
| CN204046041U (en) * | 2014-09-11 | 2014-12-24 | 贵阳铝镁设计研究院有限公司 | A kind of medium-voltage equipment of Rectification Power Factor filtering compensation |
-
2014
- 2014-09-11 CN CN201410460098.9A patent/CN105470849A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243136Y (en) * | 1995-03-15 | 1996-12-18 | 西安高压开关厂 | Three-phase common-box type combined electric appliance |
| CN201750072U (en) * | 2010-07-23 | 2011-02-16 | 山东泰开中压开关有限公司 | Outdoor compound combined electrical equipment for 35KV substation |
| CN204046041U (en) * | 2014-09-11 | 2014-12-24 | 贵阳铝镁设计研究院有限公司 | A kind of medium-voltage equipment of Rectification Power Factor filtering compensation |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160406 |
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| RJ01 | Rejection of invention patent application after publication |