CN104577800A - Armored removable AC (alternating current) metal-enclosed switchgear - Google Patents
Armored removable AC (alternating current) metal-enclosed switchgear Download PDFInfo
- Publication number
- CN104577800A CN104577800A CN201410828458.6A CN201410828458A CN104577800A CN 104577800 A CN104577800 A CN 104577800A CN 201410828458 A CN201410828458 A CN 201410828458A CN 104577800 A CN104577800 A CN 104577800A
- Authority
- CN
- China
- Prior art keywords
- bus
- chamber
- breaker
- circuit breaker
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
Abstract
The invention discloses armored removable AC (alternating current) metal-enclosed switchgear. The switchgear comprises a bus-bar chamber, a circuit breaker chamber and a cable chamber, wherein a circuit breaker is mounted in the circuit breaker chamber, a relay instrument chamber is arranged above the circuit breaker, the circuit breaker chamber is adjacent to the bus-bar chamber, the bus-bar chamber is adjacent to the cable chamber, a secondary plug is arranged below the circuit breaker, three rectangular main bus-bars are mounted in the bus-bar chamber triangularly, bus-bar casing pipes are arranged outside the rectangular main bus-bars, the three rectangular main bus-bars are connected with a fixed contact box below the bus-bar chamber, the lower end of the fixed contact box is connected with a current transformer, a plate type heater is mounted on the current transformer, the current transformer is connected with a supporting insulator, a power cable is connected between the supporting insulator and the current transformer, an earth switch is arranged on the edge of the cable chamber, and voltage relief plates are arranged on the bus-bar chamber, the circuit breaker chamber and the cable chamber. The switchgear is advanced in technology, stable in performance, reasonable in structure, convenient to use, safe, reliable, high in practicability and wide in application range.
Description
Technical field
The invention belongs to technical field of power systems, relate to a kind of armoured removable type alternating.
Background technology
High voltage power distributing cabinet refers to for electric power system generating, transmission of electricity, distribution, electric energy conversion and plays the effects such as break-make, control or protection in consuming; electric pressure is in the electric equipment products of 3.6kV-550kV; mainly comprise primary cut-out, high voltage isolator and earthed switch, high voltage load switch, high pressure automatic reclosing and sectionalizer, several large classes such as high-voltage actuating mechanism, high-voltage explosion-proof power distribution equipment and high-tension switch cabinet.High-voltage switch gear manufacturing industry is the manufacturing important component part of power transmission and transforming equipment, in whole power industry, occupy very important status.
Also there are problems in existing high voltage power distributing cabinet:
High voltage power distributing cabinet prevents this function of mistakenly entering charged chamber from making the opening and closing of the cabinet door of switch cubicle and earthed switch have latching relation, just can open cabinet door after the earthed switch that namely only closes.High voltage power distributing cabinet electrical verification problem is a problem perplexing electric power safety for many years and produce, machinery " five prevent " locking device of Totally-enclosed-type " five prevent " switch cubicle nowadays promoted, the requirement of safety regulations " first electrical verification, rear hanging earthing conductor " cannot be met, because when performing power failure work, equipment no-voltage must be identified before conjunction earthed switch; But closed high-voltage switch cabinet is in full closeding state, according to normal method of operation, electrical verification cannot be carried out with Portable high pressure electroscope to equipment, therefore, just occur unlocking the mode electrical verification of opening door of switch cabinet by force.Power distribution cabinet uses in a large number the high voltage display device using neon lamp as display element, through running use for a long time, finding that blindness is high, there is a large amount of damage in neon bulb.In order to supply a gap, charged display device has been installed neon lamp operation/closing switch, this switch is in closed condition at ordinary times, thus make whole high voltage display device temporarily out of service, but this processing mode, loses high voltage display device as the whether charged effect of pilot wire trackside.Meanwhile, neon lamp brightness is low, and particularly in bright environment, brightness is washed away, and display property is poor.The old-fashioned high voltage display device with mandatory electric blocking, locking principle is too simple, just by A, B, C tri-the signal that exports of phase carry out halfwave rectifier respectively after direct combination together, go to control locked loop; This mode is when there are the abnormal conditions of single-phase earthing or phase shortage in system, and the drift because of lock-in control voltage can cause device can not reliably locking and the accident of charged conjunction earthed switch occurs.The neon lamp formula high voltage display device of current installation mostly adopts plastic casing and is installed in high-tension apparatus interval, once arc is put in inside switch cabinet short circuit in operation, the plastic casing of device may melt by high-temperature electric arc, injures operation or maintainer.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind of armoured removable type alternating, and the technology of the present invention is advanced, and stable performance is rational in infrastructure, easy to use, safe and reliable, and practical, wide adaptability.
In order to solve above technical problem, the invention provides a kind of armoured removable type alternating, comprise bus-bar room, breaker chamber and cable vault, in breaker chamber, circuit breaker is installed, relay control room is provided with above circuit breaker, breaker chamber is adjacent with bus-bar room, its intersection is provided with dividing plate, dividing plate is provided with valve, bus-bar room is adjacent with cable vault, and be provided with insulating barrier between the two, secondary plug is provided with below circuit breaker, in isosceles triangle, three rectangle main bus bars are installed in bus-bar room, bus casing is provided with outside rectangle main bus bar, three rectangle main bus bars all connect the fixed contact box below described bus-bar room, fixed contact box lower end connects current transformer, current transformer upper mounting plate formula heater, current transformer connects supporting insulator, power cable is connected between supporting insulator with current transformer, the edge of cable vault is provided with earthed switch, bus-bar room, breaker chamber and cable vault are equipped with pressure relief plate.
The technical scheme that the present invention limits further is:
Aforementioned supporting insulator is provided with charged display device; Circuit breaker (2) is VN1-40.5 vacuum circuit-breaker, the one of ZN85B-40.5 vacuum circuit-breaker, ZN85-40.5 vacuum circuit-breaker, VD4-40.5 vacuum circuit-breaker, SF sulfur hexafluoride breaker or HD4-40.5 sulfur hexafluoride breaker; Rectangle main bus bar adopts pyrocondensation insulating material or epoxy resin coating insulation.
The invention has the beneficial effects as follows:
The present invention devises reliably, and " five prevent " interlocks, and comprising: prevent on-load from closing a floodgate, and the vacuum circuit-breaker dolly in high voltage power distributing cabinet is after test position is closed a floodgate, and dolly circuit breaker cannot enter service position; Prevent line with ground from closing a floodgate, the earthing in high voltage power distributing cabinet is when co-bit, and dolly circuit breaker cannot enter to close a floodgate; Prevent mistakenly entering charged chamber, the vacuum circuit-breaker in high voltage power distributing cabinet, when combined floodgate work, coils the machinery on the earthing of cabinet back door and the locking of cabinet door; Prevent live connection of ground wire, the vacuum circuit-breaker in high voltage power distributing cabinet operationally closes a floodgate, and closing earthing cannot drop into; Prevent on-load broaching tool lock, the vacuum circuit-breaker in high voltage power distributing cabinet, when the combined floodgate that works runs, cannot exit the service position of dolly circuit breaker.
The cabinet body structure of product of the present invention adopts aluminizing zine plate to assemble through multiple bending, each cell equal complete metal armour armouring and thoroughly separating, and the operation of all devices is all carried out under cabinet door closure state; Cabinet shell good airproof performance, prevents equipment from invading by foreign material and insect pest; Change circuit breaker very simple, handcart interchangeability is good; The reliable wall of cabinet is installed, and maintenance before cabinet, reduces floor space; There is abundant space cable vault, can connect multi-cable, and light-transmitting panel door very easily observes cable vault's installation situation.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present invention;
Wherein, A-bus-bar room, B-breaker chamber, C-cable vault, D-relay control room, 1-valve, 2-circuit breaker, 3-secondary plug, 4-rectangle main bus bar, 5-bus casing, 6-earthed switch, 7-fixed contact box, 8-supporting insulator, 9-insulating barrier, 10-power cable, 11-baffle heater, 12-current transformer, 13-pressure relief plate, 14-dividing plate.
Embodiment
embodiment 1
The present embodiment provides a kind of armoured removable type alternating, structure as shown in Figure 1, comprise bus-bar room A, breaker chamber B and cable vault C, circuit breaker 2 is installed in breaker chamber B, relay control room D is provided with above circuit breaker 2, breaker chamber B is adjacent with bus-bar room A, its intersection is provided with dividing plate 14, dividing plate 14 is provided with valve 1, bus-bar room A is adjacent with cable vault C, and be provided with insulating barrier 9 between the two, secondary plug 3 is provided with below circuit breaker 2, in isosceles triangle, three rectangle main bus bars 4 are installed in bus-bar room A, bus casing 5 is provided with outside rectangle main bus bar 4, fixed contact box 7 below three equal connection bus room A of rectangle main bus bar 4, fixed contact box 7 lower end connects current transformer 12, current transformer 12 upper mounting plate formula heater 11, current transformer 12 connects supporting insulator 8, power cable 10 is connected between supporting insulator 8 with current transformer 12, the edge of cable vault C is provided with earthed switch 6, bus-bar room A, breaker chamber B and cable vault C is equipped with pressure relief plate 13.
Aforementioned supporting insulator 8 is provided with charged display device; Circuit breaker 2 is VD4-40.5 vacuum circuit-breaker; Rectangle main bus bar 4 adopts pyrocondensation insulating material or epoxy resin coating insulation.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (4)
1. an armoured removable type alternating, comprise bus-bar room (A), breaker chamber (B) and cable vault (C), circuit breaker (2) is installed in described breaker chamber (B), described circuit breaker (2) top is provided with relay control room (D), described breaker chamber (B) is adjacent with bus-bar room (A), its intersection is provided with dividing plate (14), described dividing plate (14) is provided with valve (1), described bus-bar room (A) is adjacent with cable vault (C), and be provided with insulating barrier (9) between the two, it is characterized in that, described circuit breaker (2) below is provided with secondary plug (3), in isosceles triangle, three rectangle main bus bars (4) are installed in described bus-bar room (A), bus casing (5) is provided with outside described rectangle main bus bar (4), described three rectangle main bus bars (4) all connect the fixed contact box (7) of described bus-bar room (A) below, described fixed contact box (7) lower end connects current transformer (12), described current transformer (12) upper mounting plate formula heater (11), described current transformer (12) connects supporting insulator (8), power cable (10) is connected between described supporting insulator (8) with described current transformer (12), the edge of described cable vault (C) is provided with earthed switch (6), described bus-bar room (A), breaker chamber (B) and cable vault (C) are equipped with pressure relief plate (13).
2. armoured removable type alternating according to claim 1, is characterized in that, (8) are provided with charged display device with described supporting insulator.
3. armoured removable type alternating according to claim 1, it is characterized in that, described circuit breaker (2) is VN1-40.5 vacuum circuit-breaker, the one of ZN85B-40.5 vacuum circuit-breaker, ZN85-40.5 vacuum circuit-breaker, VD4-40.5 vacuum circuit-breaker, SF sulfur hexafluoride breaker or HD4-40.5 sulfur hexafluoride breaker.
4. armoured removable type alternating according to claim 1, is characterized in that, described rectangle main bus bar (4) adopts pyrocondensation insulating material or epoxy resin coating insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828458.6A CN104577800A (en) | 2014-12-26 | 2014-12-26 | Armored removable AC (alternating current) metal-enclosed switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828458.6A CN104577800A (en) | 2014-12-26 | 2014-12-26 | Armored removable AC (alternating current) metal-enclosed switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104577800A true CN104577800A (en) | 2015-04-29 |
Family
ID=53093284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410828458.6A Pending CN104577800A (en) | 2014-12-26 | 2014-12-26 | Armored removable AC (alternating current) metal-enclosed switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577800A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207758A (en) * | 2014-12-03 | 2016-12-07 | Ls产电株式会社 | The distribution board of application bushing current transformer |
| CN106785981A (en) * | 2017-01-04 | 2017-05-31 | 繁昌县易能科技有限责任公司 | A kind of electric power incoming line cabinet |
-
2014
- 2014-12-26 CN CN201410828458.6A patent/CN104577800A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207758A (en) * | 2014-12-03 | 2016-12-07 | Ls产电株式会社 | The distribution board of application bushing current transformer |
| CN106207758B (en) * | 2014-12-03 | 2019-06-25 | Ls产电株式会社 | Using the distribution board of bushing current transformer |
| CN106785981A (en) * | 2017-01-04 | 2017-05-31 | 繁昌县易能科技有限责任公司 | A kind of electric power incoming line cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |