CN103944081A - 12kV-5000A/63kA armored fixation type double-bus cabinet - Google Patents
12kV-5000A/63kA armored fixation type double-bus cabinet Download PDFInfo
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- CN103944081A CN103944081A CN201410087092.1A CN201410087092A CN103944081A CN 103944081 A CN103944081 A CN 103944081A CN 201410087092 A CN201410087092 A CN 201410087092A CN 103944081 A CN103944081 A CN 103944081A
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Abstract
A 12kV-5000A/63kA armored fixation type double-bus cabinet overcomes the defects that in the prior art, the cut-off current is small, the precision is low, the pressure relief and heat dissipation effects are poor, the electromagnetic resonance is large and operation is laborsome. The 12kV-5000A/63kA armored fixation type double-bus cabinet is characterized in that a cabinet body is of a full packaging structure, a work main bus chamber and a standby bus chamber are arranged front and back, an instrument chamber and a small bus chamber are arranged in the middle of the front of the cabinet body, a pressure relief device is installed on the top of the bus chambers and an isolation chamber, black paint is sprayed onto the interior of the main bus chamber and main and branch buses except the lap joint portion, a stainless steel plate is adopted as a partition plate in the bus passing position, an armor clamp is installed on an insulator, a spacer pad is added when the supporting span of the main bus is large, an isolating switch is connected with an electric operating mechanism, and a manual interlocking mechanism is installed at the front end of the electric operating mechanism. The 12kV-5000A/63kA armored fixation type double-bus cabinet has the advantages that the cut-off current can reach 63kA, the precision is high, the heat dissipation effect is good, temperature rise and energy consumption can be reduced, the electromagnetic resonance is small, the dynamic stability of the buses is smooth and steady, the cabinet can be operated both electrically and manually and is safe and reliable in operation, the buses can be maintained without cutting off the power.
Description
Technical field
The invention belongs to power equipment, particularly the fixed double-bus cabinet of 12kV-5000A/63kA armouring.
Background technology
In prior art, the large electric current double-bus switch cabinet of middle pressure can reach rated current 4000A, the level of specified drop-out current 50kA, and along with the development in city, power consumption is anxious to be increased, and existing product can not adapt to the demand that electric power increases completely; Thereby exploitation rated current 5000A, the fixed double-bus cabinet of specified drop-out current 63kA armouring, is to solve the particularly thorny a kind of approach of electricity consumption such as current petrochemical industry, metallurgy, power plant.In prior art, rated current is little, and short circuit interruption ability is low; Cabinet adopts Welding Structure, and precision is low, and error is large; Working bus bar chamber and auxiliary bus-bar chamber are arranged in cabinet middle part, and the pressure relief device of switch gear room can only be positioned at the top of cabinet front and back like this, in the time of fault, easily maintainer is damaged, and is unfavorable for heat radiation and the pressure release of switch gear room; Operating current can produce the situation of electromagentic resonance under the effect of electric field force, particularly particularly serious in large electric current and short circuit current situation, larger by electric current, bus generation heat is higher, and electric power is larger, and bus is larger by place's eddy current, bus-bar room temperature is higher, and loss is more; Meeting under full operating mode service conditions, how to solve heat radiation, reduce temperature rise, reduce electromagentic resonance and reduce the most important thing that power consumption is large electric current cabinet design; In prior art, the every phase contact of isolating switch is that single group and upper and lower contact-making surface are all arranged horizontally, and circuit breaker adopts withdraw-type, isolating switch and the place's temperature rise of circuit breaker dynamic/static contact when energising, and tolerance dynamic and thermal stability ability is low, and power consumption is large; Prior art adopts disconnecting switch operation manually, and large-current high-voltage isolator operation power is more than 350N.m, exist operating physical force large, point and defect not in place, can not distant place manipulation; When manual operation, easily produce when isolating switch deciliter not in place, cause moving contact and fixed contact of isolating switch loose contact, after long-time transmission operation, exist and burn out high-tension switch cabinet, can not tolerate the electrodynamic hidden danger that short circuit current produces, simultaneously manual operation isolating switch also exists on-load separating brake and causes the problem of major accident.
Summary of the invention
Technical problem to be solved by this invention is, overcome the deficiencies in the prior art and defect, provide safe and reliable, the accuracy of manufacture is high, and thermal diffusivity is good, can reduce temperature rise, reduce electromagentic resonance, reduce power consumption, can electric operating, again can the large electric current of manually operated 12kV-5000A/63kA, the fixed double-bus cabinet of armored that cut-offs of height.
The technical scheme that the present invention will provide comprises armouring cabinet, main bus bar, isolating switch, branch bus, circuit breaker, current transformer, motor-operating mechanism and insulator, described armouring cabinet adopts full package assembly, each compartment is separate unit, wherein work before and after main bus bar chamber and main bus bar for subsequent use chamber and arrange, control room and little bus-bar room are placed on cabinet forward, central part, in work main bus bar chamber and top, chamber, main bus bar for subsequent use chamber, bus-bar room pressure relief device is installed, at work isolation ward and isolation ward for subsequent use top, isolation ward pressure relief device is installed, pitch-dark in work main bus bar chamber and main bus bar chamber interior for subsequent use spraying.
In described armouring cabinet, between each compartment, bus comprises that by the dividing plate of locating working bus bar chamber base spacer, auxiliary bus-bar chamber base spacer, isolation ward dividing plate and breaker chamber upper spacer and CT mounting panel all adopt the corrosion resistant plate of 3mm, after processing, bending is connected with framework with bolt, bus, by the first bus casing is installed on the dividing plate of locating, is installed the second bus casing for installing and support branch bus on working bus bar chamber base spacer and auxiliary bus-bar chamber base spacer.
Described isolating switch upper end is connected with main bus bar by branch bus, lower end is connected with circuit breaker by branch bus, isolating switch adopts Mei Xiangshuanzu cutter holder mechanism, the moving knife folder side upper static contact of isolating switch is every two group T shape contact-making surfaces mutually, lower fixed contact is the vertical facade contact-making surface of every two group mutually, and main bus bar and branch bus spray pitch-dark except the silver-plated remainder of lap-joint's embossing.
Described circuit breaker is fixedly connected on circuit breaker vehicle frame, circuit breaker bottom of frame utilizes double-screw bolt to be fixedly connected with armouring cabinet, left and right sides installing wheel below vehicle frame, below circuit breaker vehicle frame, blower fan is installed, the large electric current of Selection of Circuit Breakers, height cut-off vacuum circuit-breaker, and breaker connecting terminal is also the vertical facade contact-making surface of every two group mutually.
On described insulator, be fixedly connected with gold utensil, support main bus bar and branch bus by gold utensil, in the time that work main bus bar or main bus bar for subsequent use originally support mutually span and exceed 600mm, between multilayer bus, add separation pad.
Described gold utensil is made up of upper cover, base and double-screw bolt, and upper cover, base and double-screw bolt are all selected non-magnetic material manufacture, and upper cover and base adopt mould one-step casting to be shaped, and on upper cover and base, corresponding being provided with is applicable to the groove that multi-disc bus is installed.
At described mechanism chamber upper strata installment work motor-operating mechanism, in chamber lower floor of described mechanism, motor-operating mechanism for subsequent use is installed, at the front end of work motor-operating mechanism and motor-operating mechanism for subsequent use, manual interlocking device is installed.
Add mounting groove steel base at described armouring bottom of cabinet bulk.
Compared with prior art, the invention has the beneficial effects as follows the series of measures of employing, make that switch cubicle precision is high, temperature rise is little and consume energy low, the insulating part that can reduce in switch cubicle occurs aging, the insulation property of equipment can not be destroyed, meet the requirement that works long hours of 12 kV-5000A/63kA electric currents, specifically had following beneficial effect:
(1) armouring cabinet adopts full package assembly, and each compartment is separate unit, is conducive to realize security protection and isolation; Work main bus bar chamber and main bus bar for subsequent use chamber are arranged before and after laying respectively at cabinet top, and bus-bar room pressure relief device is installed at top, main bus bar chamber, and the spraying of the inside, main bus bar chamber is pitch-dark, are conducive to main bus bar chamber and isolation ward heat radiation; At work isolation ward and isolation ward for subsequent use top, isolation ward pressure relief device is installed, avoid electric arc in the time of fault to damage maintainer, the bus of each compartment is installed bus casing by place, and the material selection stainless steel of the mounting panel of bus casing is installed, and can avoid producing eddy current loss, the full package assembly of cabinet, precision is high, and error is little, bottom of cabinet bulk mounting groove steel base, strengthen cabinet intensity, be convenient to carrying and install.
(2) isolating switch adopts every two group holder structure mutually, the every contact-making surface that adopts mutually two groups of T shape structures of moving knife folder side upper static contact, lower fixed contact is every adopts two groups of vertical facade contact-making surfaces mutually, this kind of version is convenient to be connected with branch bus, have the feature of contact-making surface great ﹑ good heat dissipation, effective guarantee, by specified short time withstand current and Rated peak withstand current, can reduce the Contact Temperature of contact position greatly, reduce power consumption, extend electric component useful life.
(3) circuit breaker adopts large electric current 5000A, height to cut-off the vacuum circuit-breaker of 63kA, ensures cut-offfing under the normal operation of equipment and short-circuit conditions; Selecting breaker connecting terminal is the vertical facade contact-making surface of every two group mutually, ensures dynamic and thermal stability and heat radiation; Circuit breaker is fixedly mounted on vehicle frame, and bottom of frame wheel-mounted can be extracted out when maintenance outside cabinet, and circuit breaker cart and cabinet are fixed bolt, is beneficial to installation, debugging, maintenance; Blower fan is installed in vehicle frame bottom, and the break-make of blower fan is according to the variation automatic start-stop of running current, more effective guarantee equipment safety operation.
(4) main bus bar of main bus bar chamber is rationally distributed, and overall electric field is tending towards evenly, and main bus bar and branch bus lap-joint are silver-plated, and remainder spraying is pitch-dark, good heat dissipation, on insulator, fixedly mount gold utensil, be used for supporting main bus bar and branch bus, when working bus bar or auxiliary bus-bar are limit because of structure, when support span exceedes 600mm, between homophase multi-disc bus, add separation pad, make the electric power between this phase main bus bar reduce to minimum, can effective guarantee by specified short time withstand current and Rated peak withstand current, the upper cover of described gold utensil, base and double-screw bolt are all selected non-magnetic material manufacture, upper cover and base adopt mould one-step casting to be shaped, round-corner transition, without causing the concentrated wedge angle of electric field, on upper cover and base, corresponding being provided with is applicable to the groove that multi-disc bus is installed, ensure the electric power between multi-disc bus, security of operation and the noise of avoiding the whiplash of homophase bus to cause.
(5) isolating switch and motor-operating mechanism mechanical connection, motor-operating mechanism and manually interlocking device's interlocking, can electric operating, again can manual operation, manually interlocking device can prevent manual misoperation, can evade the accident that manual operation causes, reduce operating personnel's labour intensity, be conducive to realize the remote control of double-bus switch cabinet, follow procedure is realized the conversion electric power that do not have a power failure, ensure the continuous power supply of important load, realize unattended operation, manual operation can locally overhaul again time.
(6) because large electric current double-bus cabinet electrical equipment original paper is larger, general cabinet is higher, and control room and little bus-bar room are placed on cabinet forward, central part by the present invention, be convenient to installation, observation, the inspection and maintenance of secondary component, need not have a power failure, extract little bus base plate out, can overhaul little bus.
Brief description of the drawings
Fig. 1 is the front view of invention,
Fig. 2 is Fig. 1 left view,
Fig. 3 is the A-A cutaway view of Fig. 1,
Fig. 4 is the B-B cutaway view of Fig. 1,
Fig. 5 is the C-C cutaway view of Fig. 1,
Fig. 6 is the D-D cutaway view Amplified image of Fig. 4,
Fig. 7 is the E partial enlarged drawing of Fig. 4,
Fig. 8 is the front view of motor-operating mechanism,
Fig. 9 is the left view of Fig. 8.
In figure:
1. armouring cabinet,
1-1. working bus bar chamber base spacer, 1-2. auxiliary bus-bar chamber base spacer,
1-3. isolation ward dividing plate, 1-4. breaker chamber upper spacer, 1-5. CT mounting panel,
2. main bus bar,
The 2-1. main bus bar of working, 2-2. main bus bar for subsequent use
3. isolating switch,
The 3-1. isolating switch of working, 3-2. reserve isolators,
4. branch bus,
4-1. isolates branch bus suitable for reading, 4-2. isolation end opening branch bus,
4-3. circuit breaker branch bus suitable for reading, 4-4. circuit breaker end opening branch bus,
5. circuit breaker,
5-1. circuit breaker vehicle frame, 5-2. blower fan, 5-3. double-screw bolt, 5-4. wheel,
6. current transformer,
7. motor-operating mechanism,
The 7-1. motor-operating mechanism of working, 7-2. motor-operating mechanism for subsequent use,
7-3 connecting lever, 7-4. pin, 7-5. pull bar,
8. insulator, 9. gold utensil,
9-1. upper cover, 9-2. base, 9-3. double-screw bolt,
10. separation pad,
11. first bus casings, 12. second bus casings,
13. isolation ward pressure relief devices, 14. bus-bar room pressure relief devices,
15. channel-section steel bases, 16. manual interlocking devices,
101. work main bus bar chambers, 102. work isolation wards,
103. little bus-bar rooms, 104. control rooms,
105. breaker chambers, 106. basements,
107. isolation wards for subsequent use, 108. main bus bar for subsequent use chambers,
109. mechanism chambers.
Embodiment
Provide the specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Fig. 1～Fig. 5, the present invention includes armouring cabinet 1, armouring cabinet 1 becomes 9 compartments by internal partition by cabinet interior separation, respectively to be positioned at the armouring cabinet 1 work main bus bar chamber 101 at top above, be positioned at the armouring cabinet 1 main bus bar for subsequent use chamber 108 at top below, be positioned at the armouring cabinet 1 work isolation ward 102 of centre above, being positioned at armouring cabinet 1 is isolation ward 107 for subsequent use below, be positioned at the breaker chamber 105 of armouring cabinet 1 front lower, be positioned at the rear basifacial basement 106 of armouring cabinet 1, be positioned at the mechanism chamber 109 on breaker chamber 105 right sides, be positioned at the control room 104 and the little bus-bar room 103 that is positioned at 104 tops, control room of breaker chamber 105 tops, each compartment is separate unit, adopt full package assembly, be conducive to realize security protection and isolation, wherein, before and after work main bus bar chamber 101 and 108 cabinet tops, main bus bar for subsequent use chamber, arrange, be beneficial to work main bus bar chamber 101 and main bus bar for subsequent use chamber 108 and work isolation ward 102 and isolation ward for subsequent use 107 and dispel the heat, control room 104 and little bus-bar room 103 are placed on cabinet forward, central part, are convenient to installation, observation, the inspection and maintenance of secondary component, need not have a power failure, and extract the base plate of little bus-bar room 103 out, can overhaul the little bus in little bus-bar room 103,
Working, main bus bar chamber 101 and main bus bar for subsequent use chamber 108 internal spray are pitch-dark, can accelerate to absorb the heat of work main bus bar chamber 101 and main bus bar for subsequent use chamber 108 by pitch-dark floor, make good heat dissipation in switch cubicle, prevent that cabinet is overheated, in work main bus bar chamber 101 and 108Shi top, main bus bar for subsequent use chamber, bus-bar room pressure relief device 14 is installed, at work isolation ward 102 and isolation ward for subsequent use 107 tops, isolation ward pressure relief device 13 is installed, can avoid electric arc in the time of fault to damage maintainer, between each compartment, bus comprises working bus bar chamber base spacer 1-1 by the dividing plate of locating, auxiliary bus-bar chamber base spacer 1-2, isolation ward dividing plate 1-3 and breaker chamber upper spacer 1-4 and CT mounting panel 1-5, all adopt the corrosion resistant plate of 3mm, after processing, bending is connected with framework with bolt, between the compartment that employing stainless steel is made, bus can be reduced the eddy current loss of generation and be had good mechanical strength by the dividing plate of locating, armouring cabinet 1 all the other place's dividing plates adopt high-quality cold-rolled steel sheet to be connected with framework with bolt after bending, to realize the full package assembly of cabinet, precision is high, error is little, the channel-section steel base 15 being welded by channel-section steel is installed in armouring cabinet 1 bottom, strengthen the intensity of cabinet 1, be convenient to carrying and install.
The present invention also comprises main bus bar 2, isolating switch 3, branch bus 4 and circuit breaker 5: described main bus bar 2 comprises work main bus bar 2-1 and main bus bar 2-2 for subsequent use; Described isolating switch 3 comprises work isolating switch 3-1 and reserve isolators 3-2, isolating switch 3 adopts every two group holder structure mutually, the every contact-making surface that adopts mutually two groups of T shape structures of moving knife folder side upper static contact of isolating switch 3, the every contact-making surface that adopts mutually two groups of vertical facades of lower fixed contact, this kind of version can facilitate isolating switch 3 upper ends to be connected with main bus bar 2 by branch bus 4; Isolating switch 3 lower ends are connected with circuit breaker 5 by branch bus 4, have the feature of contact-making surface great ﹑ good heat dissipation, effective guarantee is withstand current and Rated peak withstand current during by specified short circuit, can greatly reduce the Contact Temperature of contact position, reduce power consumption, extend electric component useful life;
Described branch bus 4 comprises isolation branch bus 4-1 suitable for reading, isolation end opening branch bus 4-2, circuit breaker branch bus 4-3 suitable for reading and circuit breaker end opening branch bus 4-4; Wherein main bus bar 2 and branch bus 4 are except lap-joint is silver-plated, and remainder spraying is pitch-dark, to accelerate the absorbing heat producing after bus energising, reduce temperature; On working bus bar chamber base spacer 1-1 and auxiliary bus-bar chamber base spacer 1-2, the second bus casing 12 is installed, this second bus casing 12 is for installing and support branch bus 4-1, branch bus 4-1 one end is connected with main bus bar 2-1 and main bus bar 2-2 for subsequent use, the fixed contact level connection joint of the other end and work isolating switch 3-1 and reserve isolators 3-2 upper end; On the isolation ward dividing plate 1-3 of work isolating switch chamber 102 and 107 bottoms, reserve isolators chamber, the first bus casing 11 is installed, breaker chamber upper spacer 1-4 is installed in the middle of work isolating switch chamber 102 and breaker chamber 105, same first bus casing 11 of installing on breaker chamber upper spacer 1-4, in the middle of the first bus casing 11, wear isolation end opening branch bus 4-2, the upper end of isolation end opening branch bus 4-2 and the lower fixed contact of isolating switch 3 are fixedly connected with, and the lower end of isolation end opening branch bus 4-2 is connected with one end of circuit breaker branch bus 4-3 suitable for reading;
Circuit breaker 5 is installed in breaker chamber 105, on breaker chamber 105 and basement 106 bottom CT mounting panel 1-5, current transformer 6 is installed, circuit breaker 5 adopts large electric current 5000A, height to cut-off 63kA vacuum circuit-breaker, cut-offfing under the normal operation of guarantee equipment and short-circuit conditions; The binding post of circuit breaker 5 is the vertical facade contact-making surface of every two group mutually, the upper terminals of circuit breaker 5 are connected with the circuit breaker branch bus 4-3 suitable for reading other end, one end of the lower terminals connecting breaker end opening branch bus 4-4 of circuit breaker 5, the other end of circuit breaker end opening branch bus 4-4 is through current transformer 6, reach basement 106, this overlapping mode ensures dynamic and thermal stability and is beneficial to heat radiation;
Described circuit breaker 5 is fixedly connected on circuit breaker vehicle frame 5-1, circuit breaker vehicle frame 5-1 bottom utilizes double-screw bolt 5-3 to be fixedly connected with armouring cabinet 1, in the bottom left and right sides of circuit breaker vehicle frame 5-1,6 wheel 5-4 are installed, when maintenance, can extract out outside cabinet, convenient installation, debugging and maintenance; Below circuit breaker vehicle frame 5-1, blower fan 5-2 is installed, the break-make of blower fan 5-2, according to the variation automatic start-stop of running current, can reduce the temperature of circuit breaker 5, more effective guarantee equipment safety operation; Louvre is opened in He Hou Xiamen, the front Xiamen of armouring cabinet 1, and bottom air inlet is like this strengthened circulation of air, and good heat dissipation, can prevent that cabinet is overheated;
As Fig. 1, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6 and Fig. 7, in work main bus bar chamber 101, work isolation ward 102, breaker chamber 105, basement 106, installing insulating 8 in isolation ward 107 for subsequent use and main bus bar for subsequent use chamber 108 compartments, on insulator 8, be fixedly connected with gold utensil 9, support main bus bar 2 and branch bus 4 by gold utensil 9, described gold utensil 9 is by upper cover 9-1, base 9-2 and double-screw bolt 9-3 form, upper cover 9-1, base 9-2 and double-screw bolt 9-3 all select non-magnetic material manufacture, upper cover 9-1 and base 9-2 adopt mould one-step casting to be shaped, round-corner transition, without causing the concentrated wedge angle of electric field, on upper cover 9-1 and base 9-2, corresponding being provided with is applicable to the groove that multi-disc bus is installed, ensure the electric power between multi-disc bus, security of operation and the noise of avoiding the whiplash of homophase bus to cause, when work main bus bar 2-1 or main bus bar 2-2 for subsequent use limit because of structure, when support span exceedes 600mm, between homophase multi-disc bus, add separation pad 10, make electric power between this phase main bus bar reduce to minimum, can effective guarantee by specified short time withstand current and Rated peak withstand current.
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 8 and Fig. 9,2 motor-operating mechanisms 7 are installed in mechanism chamber 109, point levels arranges, upper strata is work motor-operating mechanism 7-1, and lower floor is motor-operating mechanism 7-2 for subsequent use,
Work motor-operating mechanism 7-1 is connected by connecting lever 7-3, pin 7-4, pull bar 7-5 and work isolating switch 3-1, motor-operating mechanism 7-2 for subsequent use is connected with reserve isolators 3-2 by connecting lever 7-3, pin 7-4, pull bar 7-5, work motor-operating mechanism 7-1 controls separating brake and the combined floodgate of work isolating switch 3-1, and motor-operating mechanism 7-2 for subsequent use controls separating brake and the combined floodgate of reserve isolators 3-2; The front end of 2 motor-operating mechanisms 7 is all installed manual interlocking device 16, manually interlocking device 16 is connected by the key on the keyway of operating grip front end and the worm and gear reduction gearing mechanism termination of motor-operating mechanism 7, described motor-operating mechanism 7 can electric operating, again can manual operation, and electric operating and the interlocking of manual operation interlocking, in order to realize isolating switch 3 separating brakes and closing operation, as when power-off or other improper phenomenon occurring electric operating can not being carried out, can use manual interlocking device 16 instead and realize separating brake and the combined floodgate of isolating switch 3; When normal isolating switch 3 combined floodgate work, this baffle plate sealing, the electromagnetic lock of front end closes a floodgate and locks, and handle hole is blocked, and operating grip can not put in handle hole, thereby can prevent manual misoperation.
Claims (8)
- The fixed double-bus cabinet of 1.12kV-5000A/63kA armouring, comprise armouring cabinet (1), main bus bar (2), isolating switch (3), branch bus (4), circuit breaker (5), current transformer (6), motor-operating mechanism (7) and insulator (8), it is characterized in that, described armouring cabinet (1) adopts full package assembly, each compartment is separate unit, wherein work before and after main bus bar chamber (101) and main bus bar for subsequent use chamber (108) and arrange, control room (104) and little bus-bar room (103) are placed on cabinet forward, central part, in work main bus bar chamber (101) and top, chamber, main bus bar for subsequent use chamber (108), bus-bar room pressure relief device (14) is installed, at work isolation ward (102) and isolation ward for subsequent use (107) top, isolation ward pressure relief device (13) is installed, pitch-dark in work main bus bar chamber (101) and main bus bar for subsequent use chamber (108) internal spray.
- 2. the fixed double-bus cabinet of 12kV-5000A/63kA armouring according to claim 1, it is characterized in that, in described armouring cabinet (1), between each compartment, bus comprises working bus bar chamber base spacer (1-1) by the dividing plate of locating, auxiliary bus-bar chamber base spacer (1-2), isolation ward dividing plate (1-3) and breaker chamber upper spacer (1-4) and CT mounting panel (1-5) all adopt the corrosion resistant plate of 3mm, after processing, bending is connected with framework with bolt, bus is by installing the first bus casing (11) on the dividing plate of locating, at working bus bar chamber base spacer (1-1) and upper the second bus casing (12) installed for installing and support branch bus (4-1) of auxiliary bus-bar chamber base spacer (1-2).
- 3. the fixed double-bus cabinet of 12kV-5000A/63kA armouring according to claim 1, it is characterized in that, described isolating switch (3) upper end is connected with main bus bar (2) by branch bus (4), lower end is connected with circuit breaker (5) by branch bus (4), isolating switch (3) adopts Mei Xiangshuanzu cutter holder mechanism, the moving knife folder side upper static contact of isolating switch (3) is every two group T shape contact-making surfaces mutually, lower fixed contact is the vertical facade contact-making surface of every two group mutually, main bus bar (2) and branch bus (4) except the silver-plated remainder spraying of lap-joint's embossing pitch-dark.
- 4. the fixed double-bus cabinet of 12kV-5000A/63kA armouring according to claim 1, it is characterized in that, described circuit breaker (5) is fixedly connected on circuit breaker vehicle frame (5-1), circuit breaker vehicle frame (5-1) bottom utilizes double-screw bolt (5-3) to be fixedly connected with armouring cabinet (1), left and right sides installing wheel (5-4) below vehicle frame (5-1), blower fan (5-2) is installed below circuit breaker vehicle frame (5-1), circuit breaker (5) selects large electric current, height to cut-off vacuum circuit-breaker, and circuit breaker (5) binding post is also the vertical facade contact-making surface of every two group mutually.
- 5. the fixed double-bus cabinet of 12kV-5000A/63kA armouring according to claim 1, it is characterized in that, on described insulator (8), be fixedly connected with gold utensil (9), support main bus bar (2) and branch bus (4) by gold utensil (9), when this supports mutually span and exceedes 600mm when work main bus bar (2-1) or main bus bar for subsequent use (2-2), between multilayer bus, add separation pad (10).
- 6. the fixed double-bus cabinet of 12kV-5000A/63kA armouring according to claim 5, it is characterized in that, described gold utensil (9) is made up of upper cover (9-1), base (9-2) and double-screw bolt (9-3), upper cover (9-1), base (9-2) and double-screw bolt (9-3) are all selected non-magnetic material manufacture, upper cover (9-1) and base (9-2) adopt mould one-step casting to be shaped, and are provided with at upper cover (9-1) and the upper correspondence of base (9-2) groove that is applicable to the installation of multi-disc bus.
- 7. the fixed double-bus cabinet of 12kV-5000A/63kA armouring according to claim 1, it is characterized in that, at described mechanism chamber (109) upper strata installment work motor-operating mechanism (7-1), in described mechanism chamber (109), motor-operating mechanism for subsequent use (7-2) is installed by lower floor, at the front end of work motor-operating mechanism (7-1) and motor-operating mechanism for subsequent use (7-2), manual interlocking device (16) is installed.
- 8. the fixed double-bus cabinet of 12kV-5000A/63kA armouring according to claim 1, is characterized in that, adds mounting groove steel base (15) in described armouring cabinet (1) bottom.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410087092.1A CN103944081A (en) | 2014-03-11 | 2014-03-11 | 12kV-5000A/63kA armored fixation type double-bus cabinet |
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| CN201410087092.1A CN103944081A (en) | 2014-03-11 | 2014-03-11 | 12kV-5000A/63kA armored fixation type double-bus cabinet |
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Cited By (6)
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| CN105869780A (en) * | 2016-06-20 | 2016-08-17 | 上海天灵开关厂有限公司 | Surface modified copper bus and manufacturing method thereof |
| CN107394590A (en) * | 2017-08-18 | 2017-11-24 | 中科电力装备集团有限公司 | A kind of double-bus configuration system of easy access |
| CN107425428A (en) * | 2017-08-18 | 2017-12-01 | 中科电力装备集团有限公司 | A kind of single busbar system easy to operation |
| CN107492808A (en) * | 2017-08-23 | 2017-12-19 | 中科电力装备集团有限公司 | A kind of high-tension switch gear of double-bus configuration system |
| CN115332005A (en) * | 2022-09-09 | 2022-11-11 | 江苏东源电器集团股份有限公司 | Double-bus integrated isolating switch with locking structure and use method thereof |
| CN118508253A (en) * | 2024-07-17 | 2024-08-16 | 国网吉林省电力有限公司经济技术研究院 | Intelligent protection device of switch cabinet and intelligent switch cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105869780A (en) * | 2016-06-20 | 2016-08-17 | 上海天灵开关厂有限公司 | Surface modified copper bus and manufacturing method thereof |
| CN105869780B (en) * | 2016-06-20 | 2019-01-01 | 上海天灵开关厂有限公司 | A kind of copper busbar and preparation method thereof that surface is modified |
| CN107394590A (en) * | 2017-08-18 | 2017-11-24 | 中科电力装备集团有限公司 | A kind of double-bus configuration system of easy access |
| CN107425428A (en) * | 2017-08-18 | 2017-12-01 | 中科电力装备集团有限公司 | A kind of single busbar system easy to operation |
| CN107492808A (en) * | 2017-08-23 | 2017-12-19 | 中科电力装备集团有限公司 | A kind of high-tension switch gear of double-bus configuration system |
| CN115332005A (en) * | 2022-09-09 | 2022-11-11 | 江苏东源电器集团股份有限公司 | Double-bus integrated isolating switch with locking structure and use method thereof |
| CN115332005B (en) * | 2022-09-09 | 2023-09-19 | 江苏东源电器集团股份有限公司 | Double-bus integrated isolating switch with locking structure and use method thereof |
| CN118508253A (en) * | 2024-07-17 | 2024-08-16 | 国网吉林省电力有限公司经济技术研究院 | Intelligent protection device of switch cabinet and intelligent switch cabinet |
| CN118508253B (en) * | 2024-07-17 | 2024-09-27 | 国网吉林省电力有限公司经济技术研究院 | Intelligent protection device of switch cabinet and intelligent switch cabinet |
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Application publication date: 20140723 |