CN205028771U - Outdoor measurement combination mutual -inductor device of three -sphase four -wire system - Google Patents
Outdoor measurement combination mutual -inductor device of three -sphase four -wire system Download PDFInfo
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- CN205028771U CN205028771U CN201520770225.5U CN201520770225U CN205028771U CN 205028771 U CN205028771 U CN 205028771U CN 201520770225 U CN201520770225 U CN 201520770225U CN 205028771 U CN205028771 U CN 205028771U
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Abstract
The utility model relates to an electric power system high voltage measurement device field, specific outdoor measurement combination mutual -inductor device of three -sphase four -wire system that says so. Three arresters are installed in the place ahead of three components of three -phase combination mutual -inductor side by side, and every arrester all is arranged on same straight line with a set of incoming wire terminal and the terminal outgoing lines of three components of three -phase combination mutual -inductor, and three arresters and three components of three -phase combination mutual -inductor are installed on the cell type base, and the top of every arrester all is equipped with binding post of an arrester, and binding post of every arrester makes up an incoming wire terminal of mutual -inductor through three components of the 2nd insulated wire connection three -phase. The utility model discloses small, simple to operate, measurement accuracy, stable performance, the key is intensified, prevented.
Description
Technical field
The utility model relates to electric power system high-pressure measurement mechanism field, specifically a kind of three-phase four-wire system outdoor measurement combination transformer device.
Background technology
Three-phase four-wire system metering method is the metering of 10KV electric power system platform district, the major way of electric energy examination, metering device system mainly comprises the outdoor combination transformer (or 3 Outdoor Current Transformers+3 outdoor voltage transformers) of three-phase three element, lightning arrester, secondary cable, ammeter box, the parts such as electric energy meter, all parts is all relatively independent, all that all parts has been assembled at engineering site temporarily during use, secondary cable wiring is also that scene completes, because be operation construction under outdoor environment, affect larger by factors such as weather, it is larger to there is workload in integral construction work, operate cumbersome, the problems such as operating efficiency is slow, and easily there is operating mistake phenomenon.In order to improve the reliability of electric power system on-site construction operations and power supply and measuring equipment further, for the facilitation of outdoor electric metering device, anti-miniaturization, integrated proposition requirements at the higher level.Above problem is the urgent problem solving and study during measurement of power transformation and intelligent power network are advised.
Utility model content
There is the shortcomings such as parts are many, complexity is installed in wiring, large, the easy stealing of workload for existing 10KV Three-phase Power Systems four-wire system metering device equipment, the technical problems to be solved in the utility model is to provide a kind of three-phase four-wire system outdoor measurement combination transformer device.
The technical scheme that the utility model is adopted for achieving the above object is: a kind of three-phase four-wire system outdoor measurement combination transformer device, three lightning arresters are arranged on the front of three-phase three element combination transformer side by side, every lightning arrester is all arranged on same straight line with one group of input terminal of three-phase three element combination transformer and outlet terminal, three lightning arresters and three-phase three element combination transformer are installed on grooved base, the top of every lightning arrester is equipped with a lightning arrester primary connection terminal, each lightning arrester primary connection terminal connects an input terminal of three-phase three element combination transformer by the second insulated conductor.
The rear of described three-phase three element combination transformer is provided with resonance eliminator, and the binding post of resonance eliminator is connected by the first insulated conductor with the voltage neutral point N terminal of three-phase three element combination transformer.
The secondary wiring terminals of described three-phase three element combination transformer is located in secondary terminal box, and guides to secondary terminal box outside by secondary lead wires cable.
Described three-phase three element combination transformer is epoxy resin and silicon rubber composite insulation pattern, in it, envelope is equipped with three current mutual inductor bodies and three voltage transformer device bodies, voltage neutral point N terminal is drawn at voltage transformer device body outside, and the outer surface of voltage neutral point N terminal is distributed with uniform full skirt.
The utility model has the following advantages and beneficial effect:
1, volume is little, easy for installation: the parts such as combination transformer and lightning arrester, resonance eliminator, secondary lead wires cable, realizes integrated design and batch production completes, and small product size is little, easy for installation, can be installed on flexibly in electric power system and use as electric energy metrical.
2, accurate measurement, stable performance: the supporting combination transformer of this product is epoxy resin and silicon rubber composite insulation structure, composition three-phase four-wire system metering method, realizes the accurate-metering to system power, and has anti-harmonic elimination function; The designs such as Integrated optimization structure, product be applicable to any High aititude and gradation for surface pollution serious environment area, properties of product are very reliable and stable.
3, intensive, anti-key electricity: intensive, tightness, globality and the high grade of transparency of the electric power meter of this product composition, be the legal construction of electricity market, provide good carrier; Not only contained electricity filching behavior, simultaneously also for for electricity consumption both sides when producing dispute, provide there is most legal effect evidence save entity from damage.
Accompanying drawing explanation
Fig. 1 is the utility model external structure front view;
Fig. 2 is the utility model external structure vertical view;
Fig. 3 is the utility model internal structure left view;
In figure: 1, three-phase three element combination transformer; 2, lightning arrester; 3, resonance eliminator; 4, secondary terminal box; 5, grooved base; 6, input terminal; 7, outlet terminal; 8, voltage neutral point N terminal; 9, the first insulated conductor; 10, lightning arrester primary connection terminal; 11, the second insulated conductor; 12, secondary lead wires cable; 13, secondary wiring terminals; 14, current mutual inductor body; 15, voltage transformer device body; 16, full skirt.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Figure 1-3, the utility model has the compositions such as three-phase three element combination transformer 1, three lightning arresters 2, resonance eliminator 3, secondary terminal boxes 4, overall for being installed on the integral structure on grooved base 5, three lightning arresters 2 are arranged on the front of three-phase three element combination transformer 1 side by side, and arrange on the same line with a three-phase input terminal 6 of three-phase three element combination transformer 1 and outlet terminal 7 respectively, namely ensure the phase spacing with same distance, alternate electric discharge or mist arcing fault can not occur.Described resonance eliminator 3 is arranged on after grooved base 5, the binding post of resonance eliminator 3 adopts the first insulated conductor 9 and screw etc. electrically to connect with the voltage neutral point N terminal 8 of three-phase three element combination transformer 1, application has harmonic elimination function, ferro resonance fault can not occur and burn product.Described lightning arrester primary connection terminal 10 adopts the second insulated conductor 11 and bolt etc. electrically to connect with a three-phase input terminal of three-phase three element combination transformer 1 respectively, has enough water conservancy diversion areas and electrically connects reliably.Described secondary lead wires cable 12 draws corresponding length from secondary terminal box 4, and electrically connect with the secondary wiring terminals 13 of three-phase three element combination transformer 1, direct batch production complete, thus omit the outside lead wiring of complexity when site operation is installed, intensive degree is higher, and has anti-electricity-theft performance.Described three-phase three element combination transformer 1 is epoxy resin and silicon rubber composite insulation pattern, and in it, envelope is equipped with three current mutual inductor bodies 14 and three voltage transformer device bodies 15, and composition three-phase four-wire system metering method, realizes the accurate-metering to system power.Voltage neutral point N terminal 8 is drawn at voltage transformer device body 15 outside, electrically connect for resonance eliminator 3, be distributed with uniform full skirt 16 outside it, there is enough surface creepage distances, strengthen product exterior insulation, go for the environment area that any High aititude and filth etc. are serious.
3 current mutual inductor bodies 14 after each procedure machines and voltage transformer device body 15 utilize associated components to be fixed in casting mold, adjust and be cast for integral structure apart from rear employing epoxide resin vacuum, and then carry out the compound of outer silicone, become a three-phase three element combination transformer 1 thereupon, then overall for being installed on the integral structure on grooved base 5 with three lightning arresters 2, resonance eliminator 3, secondary terminal box 4 etc.Three lightning arresters 2 are arranged on three-phase three element combination transformer 1 front side by side, and arrange on the same line with a three-phase input terminal 6 of three-phase three element combination transformer 1 and outlet terminal 7 respectively, namely ensure the phase spacing with same distance, alternate electric discharge or mist arcing fault can not occur.Lightning arrester primary connection terminal 10 adopts the second insulated conductor 11 and bolt etc. electrically to connect with a three-phase input terminal of three-phase three element combination transformer 1 respectively, has enough water conservancy diversion areas and electrically connects reliably.Resonance eliminator 3 is arranged on after combination transformer grooved base 5, resonance eliminator 3 binding post adopts the first insulated conductor 9 and screw etc. electrically to connect with combination transformer voltage neutral point N terminal 8, there is when product normally uses harmonic elimination function, ferro resonance fault can not occur and burn product.Secondary lead wires cable 12 draws corresponding length from secondary terminal box 4, and electrically connect with the secondary wiring terminals 13 of three-phase three element combination transformer 1, direct batch production completes, thus omit the outside lead wiring of complexity when site operation is installed, intensive degree is higher, and has anti-electricity-theft performance.Three-phase three element combination transformer 1 is epoxy resin and silicon rubber composite insulation pattern, and in it, envelope is equipped with three current mutual inductor bodies 14 and three voltage transformer device bodies 15, and composition three-phase four-wire system metering method, realizes the accurate-metering to system power.Voltage transformer neutral point N terminal is drawn at product outside, electrically connects for resonance eliminator 3, its outer insulation full skirt being distributed with uniform full skirt 16 and the distribution of the product whole body.The utility model has enough surface creepage distances, strengthens product exterior insulation, has UV resistant, ageing-resistant, insulating reliability energy, goes for the environment area that any High aititude and filth etc. are serious.
The utility model is completely according to a kind of new product of national standard design, combination transformer part utilizes electromagnetic conversion principle, make secondary current and voltage can the situation of change of reflected measurement primary current and voltage exactly, transmission secondary electric energy meter device, makes product be installed in electric power system and uses as systematic survey, electric energy metrical.
The supporting combination transformer of the utility model adopt epoxy resin and silicon rubber composite insulation have that volume is little, easy for installation, the feature such as accurate measurement, stable performance, intensive, anti-key are electric, newly-built and the electric energy transformation project of electric power system can be widely used in, improve accuracy and the serviceability of electric power system electric energy metrical.
Claims (4)
1. a three-phase four-wire system outdoor measurement combination transformer device, it is characterized in that, three lightning arresters (2) are arranged on the front of three-phase three element combination transformer (1) side by side, every lightning arrester (1) all arranges on the same line with one group of input terminal (6) of three-phase three element combination transformer (1) and outlet terminal (7), three lightning arresters (2) and three-phase three element combination transformer (1) are installed on grooved base (5), the top of every lightning arrester (1) is equipped with a lightning arrester primary connection terminal (10), each lightning arrester primary connection terminal (10) connects an input terminal (6) of three-phase three element combination transformer (1) by the second insulated conductor (11).
2. three-phase four-wire system outdoor measurement combination transformer device according to claim 1, it is characterized in that, the rear of described three-phase three element combination transformer (1) is provided with resonance eliminator (3), and the binding post of resonance eliminator (3) is connected by the first insulated conductor (9) with voltage neutral point N terminal (8) of three-phase three element combination transformer (1).
3. three-phase four-wire system outdoor measurement combination transformer device according to claim 1, it is characterized in that, the secondary wiring terminals (13) of described three-phase three element combination transformer (1) is located in secondary terminal box (4), and it is outside to guide to secondary terminal box (4) by secondary lead wires cable (12).
4. three-phase four-wire system outdoor measurement combination transformer device according to claim 1, it is characterized in that, described three-phase three element combination transformer (1) is epoxy resin and silicon rubber composite insulation pattern, in it, envelope is equipped with three current mutual inductor bodies (14) and three voltage transformer device bodies (15), voltage neutral point N terminal (8) is drawn at voltage transformer device body (15) outside, and the outer surface of voltage neutral point N terminal (8) is distributed with uniform full skirt (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770225.5U CN205028771U (en) | 2015-09-30 | 2015-09-30 | Outdoor measurement combination mutual -inductor device of three -sphase four -wire system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770225.5U CN205028771U (en) | 2015-09-30 | 2015-09-30 | Outdoor measurement combination mutual -inductor device of three -sphase four -wire system |
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| Publication Number | Publication Date |
|---|---|
| CN205028771U true CN205028771U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520770225.5U Active CN205028771U (en) | 2015-09-30 | 2015-09-30 | Outdoor measurement combination mutual -inductor device of three -sphase four -wire system |
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| CN (1) | CN205028771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545531A (en) * | 2018-12-29 | 2019-03-29 | 重庆睿伊互感器研究院有限公司 | A kind of three-phase and four-line type combination transformer for distribution network |
| CN110853902A (en) * | 2019-11-28 | 2020-02-28 | 湖南大北互互感器有限公司 | Outdoor totally-enclosed composite insulation single-phase combined transformer |
-
2015
- 2015-09-30 CN CN201520770225.5U patent/CN205028771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545531A (en) * | 2018-12-29 | 2019-03-29 | 重庆睿伊互感器研究院有限公司 | A kind of three-phase and four-line type combination transformer for distribution network |
| CN110853902A (en) * | 2019-11-28 | 2020-02-28 | 湖南大北互互感器有限公司 | Outdoor totally-enclosed composite insulation single-phase combined transformer |
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