CN105071276A - Medium-voltage looped-network vacuum circuit breaker cabinet - Google Patents
Medium-voltage looped-network vacuum circuit breaker cabinet Download PDFInfo
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- CN105071276A CN105071276A CN201510529539.0A CN201510529539A CN105071276A CN 105071276 A CN105071276 A CN 105071276A CN 201510529539 A CN201510529539 A CN 201510529539A CN 105071276 A CN105071276 A CN 105071276A
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Abstract
The invention, which belongs to the technical field of power equipment, provides a medium-voltage looped-network vacuum circuit breaker cabinet comprising a cabinet body, a measurement loop, a protection and zero sequence loop, a control loop, an illumination and condensation loop, and a closing loop. The measurement loop, the protection and zero sequence loop, the control loop, the illumination and condensation loop, and the closing loop are arranged in the cabinet. The control loop employs an ST266F intelligent integrated protection measurement and control device; and the illumination and condensation loop employs an N2K condensation controller. According to the invention, on/off of a normal load current and a certain short-circuit current can be realized; automatic tripping can be realized with the effect of the relay protection device; and the short-circuit fault can be cut off.
Description
Technical field
The present invention relates to electrical equipment technical field, particularly pressure ring net vacuum circuit breaker cabinet in one.
Background technology
Ring main unit is that one group of transmission & distribution electric equipment (high voltage switchgear) is contained in metal or non-metallic insulation cabinet or makes the electric equipment of assembled compartment ring network power supplying units, its core adopts on-load switch and fuse, has that structure is simple, volume is little, price is low, can improve power supply parameter and the advantage such as performance and power supply safety.In the power distribution station that it is widely used in the load centers such as Urban Residential District, skyscraper, large public building, factory and enterprise and box-type substation.HXGN-10 type cabinet body structure bends welding assembly with steel plate to form, degree of protection IP2X, and cabinet top is bus-bar room, and control room is positioned at the front portion of bus-bar room, separates with steel plate.Be on-load switch room in the middle part of cabinet, between on-load switch and other elements, be provided with insulating barrier.For cable in-out cabinet, at the bottom of its cabinet, removable removable cover is housed; For built on stilts line cabinet, its cabinet top can install busbar channel additional or block frame.General HXGN series ring main unit core is made up of on-load switch and fuse, high voltage load switch has simple arc-control device, the load current that energy break-make is certain and overload electric current, but can not interrupting short circuit, thus it must be connected with high-tension fuse and use, and excises short trouble by fuse.
Summary of the invention
The object of this invention is to provide pressure ring net vacuum circuit breaker cabinet in one, can not only break-make normal duty electric current and certain short circuit current, can also automatic trip under protective relaying device effect, excision short trouble.
The technical solution adopted for the present invention to solve the technical problems is:
Pressure ring net vacuum circuit breaker cabinet in one, it comprises cabinet, measuring circuit, protection and zero sequence loop, control loop, illumination and condensation loop, closing circuit, described measuring circuit, protection and zero sequence loop, control loop, illumination and condensation loop, closing circuit is all arranged in cabinet, and described measuring circuit comprises the first current transformer, second current transformer, 3rd current transformer, first ammeter, second ammeter, 3rd ammeter, described first current transformer, second current transformer, the first end of the 3rd current transformer is interconnected and ground connection, described first current transformer, second current transformer, second end of the 3rd current transformer connects the first ammeter respectively, second ammeter, the first end of the 3rd ammeter, described first ammeter, second ammeter, second end of the 3rd ammeter is interconnected and ground connection, and described protection and zero sequence loop comprise ST266F intelligent comprehensive protection supervisory equipment, 4th current transformer, 5th current transformer, 6th current transformer, first vacuum circuit-breaker terminal, second vacuum circuit-breaker terminal, 3rd vacuum circuit-breaker terminal, described 4th current transformer, 5th current transformer, the first end of the 6th current transformer is interconnected and ground connection, described 4th current transformer, 5th current transformer, second end of the 6th current transformer is respectively by the first vacuum circuit-breaker terminal, second vacuum circuit-breaker terminal, 3rd vacuum circuit-breaker terminal connects the first port of ST266F intelligent comprehensive protection supervisory equipment, second port, 3rd port, the 4th port also ground connection of described ST266F intelligent comprehensive protection supervisory equipment, the five-port of described ST266F intelligent comprehensive protection supervisory equipment, 6th port, 7th port and the 8th port are interconnected, and described control loop comprises the little bus of control, first miniature circuit breaker, second miniature circuit breaker, first diverter switch, second diverter switch, first button, second button, 3rd button, 4th button, first signal lamp, secondary signal lamp, 3rd signal lamp, 4th signal lamp, 4th vacuum circuit-breaker terminal, first brake cable circle, 5th vacuum circuit-breaker terminal, 6th vacuum circuit-breaker terminal, second brake cable circle, 7th vacuum circuit-breaker terminal, 8th vacuum circuit-breaker terminal, 3rd brake cable circle, 9th vacuum circuit-breaker terminal, tenth vacuum circuit-breaker terminal, first circuit breaker, 11 vacuum circuit-breaker terminal, 12 vacuum circuit-breaker terminal, second circuit breaker, 13 vacuum circuit-breaker terminal, 14 vacuum circuit-breaker terminal, 3rd circuit breaker, 15 vacuum circuit-breaker terminal, 16 vacuum circuit-breaker terminal, 4th circuit breaker, 17 vacuum circuit-breaker terminal, 18 vacuum circuit-breaker terminal, first switch, 19 vacuum circuit-breaker terminal, 20 vacuum circuit-breaker terminal, second switch, 21 vacuum circuit-breaker terminal, 22 vacuum circuit-breaker terminal, 3rd switch, 23 vacuum circuit-breaker terminal, 24 vacuum circuit-breaker terminal, 4th switch, 25 vacuum circuit-breaker terminal, 26 vacuum circuit-breaker terminal, 5th switch, 27 vacuum circuit-breaker end, 6th switch, the first end of the little bus of described control connects the 9th port of ST266F intelligent comprehensive protection supervisory equipment by the first miniature circuit breaker, tenth port, first diverter switch first end, second diverter switch first end, tenth Single port, 6th switch first end, first signal lamp first end, secondary signal lamp first end, 3rd signal lamp first end, 4th signal lamp first end, 14 vacuum circuit-breaker terminal first end, 16 vacuum circuit-breaker terminal first end, 18 vacuum circuit-breaker terminal first end, 20 vacuum circuit-breaker terminal first end, 22 vacuum circuit-breaker terminal first end, 24 vacuum circuit-breaker terminal first end, 26 vacuum circuit-breaker terminal first end, described first diverter switch second end connects the first end of the first button and the 4th button, described second diverter switch second end connects the first end of the second button and the 3rd button, second end of described first button is all connected the 13 port of ST266F intelligent comprehensive protection supervisory equipment with the second end of the second button, and the 13 port is by the 4th vacuum circuit-breaker terminal, first brake cable circle connects the 5th vacuum circuit-breaker terminal first end, and the second end and second end of the 3rd button of described 4th button are all connected the 14 port of ST266F intelligent comprehensive protection supervisory equipment, and the 14 port is by the 6th vacuum circuit-breaker terminal, second brake cable circle connects the 7th vacuum circuit-breaker terminal first end, and the second end of described 6th switch is by the 8th vacuum circuit-breaker terminal, 3rd brake cable circle connects the 9th vacuum circuit-breaker terminal first end, described first signal lamp, second end of secondary signal lamp is by the tenth vacuum circuit-breaker terminal, first circuit breaker connects the 11 vacuum circuit-breaker terminal first end, described 3rd signal lamp, second end of the 4th signal lamp is by the 12 vacuum circuit-breaker terminal, second circuit breaker connects the 13 vacuum circuit-breaker terminal first end, and described 14 vacuum circuit-breaker terminal second end is by the 3rd circuit breaker, 15 vacuum circuit-breaker terminal connects the tenth five-port of ST266F intelligent comprehensive protection supervisory equipment, and described 16 vacuum circuit-breaker terminal second end is by the 4th circuit breaker, 17 vacuum circuit-breaker terminal connects the 16 port of ST266F intelligent comprehensive protection supervisory equipment, and described 18 vacuum circuit-breaker terminal second end is by the first switch, 19 vacuum circuit-breaker terminal connects the 17 port of ST266F intelligent comprehensive protection supervisory equipment, and described 20 vacuum circuit-breaker terminal second end passes through second switch, 21 vacuum circuit-breaker terminal connects the 18 port of ST266F intelligent comprehensive protection supervisory equipment, and described 22 vacuum circuit-breaker terminal second end is by the 3rd switch, 23 vacuum circuit-breaker terminal connects the 19 port of ST266F intelligent comprehensive protection supervisory equipment, and described 24 vacuum circuit-breaker terminal second end is by the 4th switch, 25 vacuum circuit-breaker terminal connects the 20 port of ST266F intelligent comprehensive protection supervisory equipment, and described 26 vacuum circuit-breaker terminal second end is by the 5th switch, 27 vacuum circuit-breaker terminal connects the 20 Single port of ST266F intelligent comprehensive protection supervisory equipment, the tenth Two-port netwerk of described ST266F intelligent comprehensive protection supervisory equipment, 20 Two-port netwerk, 5th vacuum circuit-breaker terminal second end, 7th vacuum circuit-breaker terminal second end, 9th vacuum circuit-breaker terminal second end, 11 vacuum circuit-breaker terminal second end, 13 vacuum circuit-breaker terminal second end is by the second end of the little bus of the second miniature circuit breaker connection control, and described illumination and condensation loop comprise AC power, 3rd miniature circuit breaker, 4th miniature circuit breaker, 7th switch, cabinet intraoral illumination lamp, condensation controller, heater, condensation sensor, the first end of described 7th switch is all connected AC power first end by the 3rd miniature circuit breaker with the first end of condensation controller, the first end of the second end connecting cabinet intraoral illumination lamp of described 7th switch, described second end of cabinet intraoral illumination lamp is connected AC power second end with the second end of condensation controller by the 4th miniature circuit breaker, heater is provided with between 3rd end of described condensation controller and the 4th end, described condensation controller is also provided with condensation sensor, and described closing circuit comprises the 4th miniature circuit breaker, 5th miniature circuit breaker, 8th switch, 28 vacuum circuit-breaker terminal, 9th switch, energy storage motor, tenth switch, 29 vacuum circuit-breaker terminal, 5th signal lamp, 30 vacuum circuit-breaker terminal, 11 switch, 31 vacuum circuit-breaker terminal, the first end of described 8th switch and the first end of the 5th signal lamp are by the little bus of the 4th miniature circuit breaker connection control, and the second end of described 8th switch is by the 28 vacuum circuit-breaker terminal, 9th switch, energy storage motor, tenth switch connects the first end of the 29 vacuum circuit-breaker terminal, and the second end of described 5th signal lamp is by the 30 vacuum circuit-breaker terminal, 11 switch connects the 31 vacuum circuit-breaker terminal first end, and described 29 vacuum circuit-breaker terminal second end and the 31 vacuum circuit-breaker terminal second end are also by the little bus of the 5th miniature circuit breaker connection control.
Further, the model of described condensation controller is N2K condensation controller.
Compared to the prior art the present invention, has the following advantages and effect: cabinet is reliably solid, and each circuit structure is reasonable, installs reliable.Measuring circuit achieves the monitoring of each parameter in centering pressure ring net vacuum circuit breaker cabinet operating state.After protection and zero sequence loop, in large short circuit current grounding system, earth fault occurs, just there are zero-sequence current, residual voltage and homopolar power to occur, utilize these electric parameters to form protective earthing short circuit, effective.Control loop realizes the accurate control to equipment, good stability.Illumination and condensation loop achieve the real-time monitoring to the illumination of equipment and the temperature and humidity of equipment, make system hommization more, run more stable.Closing circuit ensure that equipment stable operation, prevents unexpected generation.The present invention can not only break-make normal duty electric current and certain short circuit current, can also automatic trip under protective relaying device effect, excision short trouble.
Accompanying drawing explanation
Fig. 1 is the structural representation of cabinet of the present invention.
Fig. 2 is the structural representation of measuring circuit of the present invention.
Fig. 3 is the structural representation in protection of the present invention and zero sequence loop.
Fig. 4 is the structural representation of control loop of the present invention.
Fig. 5 is the structural representation in illumination of the present invention and condensation loop.
Fig. 6 is the structural representation of closing circuit of the present invention.
In figure: 1. cabinet, 2. measuring circuit, 3. protection and zero sequence loop, 4. control loop, 5. illumination and condensation loop, 6. closing circuit, 7. the first current transformer, 8. the second current transformer, 9. the 3rd current transformer, 10. the first ammeter, 11. second ammeters, 12. the 3rd ammeters, 13.ST266F intelligent comprehensive protection supervisory equipment, 14. the 4th current transformers, 15. the 5th current transformers, 16. the 6th current transformers, 17. first vacuum circuit-breaker terminals, 18. second vacuum circuit-breaker terminals, 19. the 3rd vacuum circuit-breaker terminal, 20. control little bus, 21. first miniature circuit breakers, 22. second miniature circuit breakers, 23. first diverter switches, 24. second diverter switches, 25. first buttons, 26. second buttons, 27. the 3rd buttons, 28. the 4th buttons, 29. first signal lamps, 30. secondary signal lamps, 31. the 3rd signal lamps, 32. the 4th signal lamps, 33. the 4th vacuum circuit-breaker terminal, 34. first brake cable circles, 35. the 5th vacuum circuit-breaker terminal, 36. the 6th vacuum circuit-breaker terminal, 37. second brake cable circles, 38. the 7th vacuum circuit-breaker terminal, 39. the 8th vacuum circuit-breaker terminal, 40. the 3rd brake cable circle, 41. the 9th vacuum circuit-breaker terminal, 42. the tenth vacuum circuit-breaker terminal, 43. first circuit breakers, 44. the 11 vacuum circuit-breaker terminal, 45. the 12 vacuum circuit-breaker terminal, 46. second circuit breakers, 47. the 13 vacuum circuit-breaker terminal, 48. the 14 vacuum circuit-breaker terminal, 49. the 3rd circuit breakers, 50. the 15 vacuum circuit-breaker terminal, 51. the 16 vacuum circuit-breaker terminal, 52. the 4th circuit breakers, 53. the 17 vacuum circuit-breaker terminal, 54. the 18 vacuum circuit-breaker terminal, 55. first switches, 56. the 19 vacuum circuit-breaker terminal, 57. the 20 vacuum circuit-breaker terminal, 58. second switches, 59. the 21 vacuum circuit-breaker terminal, 60. the 22 vacuum circuit-breaker terminal, 61. the 3rd switches, 62. the 23 vacuum circuit-breaker terminal, 63. the 24 vacuum circuit-breaker terminal, 64. the 4th switches, 65. the 25 vacuum circuit-breaker terminal, 66. the 26 vacuum circuit-breaker terminal, 67. the 5th switches, 68. the 27 vacuum circuit-breaker end, 69. the 6th switches, 70. AC power, 71. the 3rd miniature circuit breakers, 72. the 4th miniature circuit breakers, 73. the 7th switches, 74. cabinet intraoral illumination lamps, 75. condensation controllers, 76. heaters, 77. condensation sensors, 78. the 4th miniature circuit breakers, 79. the 5th miniature circuit breakers, 80. the 8th switches, 81. the 28 vacuum circuit-breaker terminal, 82. the 9th switches, 83. energy storage motors, 84. the tenth switches, 85. the 29 vacuum circuit-breaker terminal, 86. the 5th signal lamps, 87. the 30 vacuum circuit-breaker terminal, 88. the 11 switch, 89. the 31 vacuum circuit-breaker terminal.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
As shown in Figure 1; pressure ring net vacuum circuit breaker cabinet in one; it comprise cabinet 1, measuring circuit 2, protection and zero sequence loop 3, control loop 4, illumination and condensation loop 5, closing circuit 6, described measuring circuit 2, protection and zero sequence loop 3, control loop 4, illumination and condensation loop 5, closing circuit 6 be all arranged in cabinet 1.Cabinet 1 is reliably solid, and each circuit structure is reasonable, installs reliable.
As shown in Figure 2, measuring circuit 2 comprises the first current transformer 7, second current transformer 8, 3rd current transformer 9, first ammeter 10, second ammeter 11, 3rd ammeter 12, described first current transformer 7, second current transformer 8, the first end of the 3rd current transformer 9 is interconnected and ground connection, described first current transformer 7, second current transformer 8, second end of the 3rd current transformer 9 connects the first ammeter 10 respectively, second ammeter 11, the first end of the 3rd ammeter 12, described first ammeter 10, second ammeter 11, second end of the 3rd ammeter 12 is interconnected and ground connection.Measuring circuit 2 achieves the monitoring of each parameter in centering pressure ring net vacuum circuit breaker cabinet operating state.
As shown in Figure 3, protection and zero sequence loop 3 comprise ST266F intelligent comprehensive protection supervisory equipment 13, 4th current transformer 14, 5th current transformer 15, 6th current transformer 16, first vacuum circuit-breaker terminal 17, second vacuum circuit-breaker terminal 18, 3rd vacuum circuit-breaker terminal 19, described 4th current transformer 14, 5th current transformer 15, the first end of the 6th current transformer 16 is interconnected and ground connection, described 4th current transformer 14, 5th current transformer 15, second end of the 6th current transformer 16 is respectively by the first vacuum circuit-breaker terminal 17, second vacuum circuit-breaker terminal 18, 3rd vacuum circuit-breaker terminal 19 connects the first port of ST266F intelligent comprehensive protection supervisory equipment 13, second port, 3rd port, the 4th port also ground connection of described ST266F intelligent comprehensive protection supervisory equipment 13, the five-port of described ST266F intelligent comprehensive protection supervisory equipment 13, 6th port, 7th port and the 8th port are interconnected.After protection and zero sequence loop 3, in large short circuit current grounding system, earth fault occurs, just there are zero-sequence current, residual voltage and homopolar power to occur, utilize these electric parameters to form protective earthing short circuit, effective.
As shown in Figure 4, control loop comprises the little bus 20 of control, first miniature circuit breaker 21, second miniature circuit breaker 22, first diverter switch 23, second diverter switch 24, first button 25, second button 26, 3rd button 27, 4th button 28, first signal lamp 29, secondary signal lamp 30, 3rd signal lamp 31, 4th signal lamp 32, 4th vacuum circuit-breaker terminal 33, first brake cable circle 34, 5th vacuum circuit-breaker terminal 35, 6th vacuum circuit-breaker terminal 36, second brake cable circle 37, 7th vacuum circuit-breaker terminal 38, 8th vacuum circuit-breaker terminal 39, 3rd brake cable circle 40, 9th vacuum circuit-breaker terminal 41, tenth vacuum circuit-breaker terminal 42, first circuit breaker 43, 11 vacuum circuit-breaker terminal 44, 12 vacuum circuit-breaker terminal 45, second circuit breaker 46, 13 vacuum circuit-breaker terminal 47, 14 vacuum circuit-breaker terminal 48, 3rd circuit breaker 49, 15 vacuum circuit-breaker terminal 50, 16 vacuum circuit-breaker terminal 51, 4th circuit breaker 52, 17 vacuum circuit-breaker terminal 53, 18 vacuum circuit-breaker terminal 54, first switch 55, 19 vacuum circuit-breaker terminal 56, 20 vacuum circuit-breaker terminal 57, second switch 58, 21 vacuum circuit-breaker terminal 59, 22 vacuum circuit-breaker terminal 60, 3rd switch 61, 23 vacuum circuit-breaker terminal 62, 24 vacuum circuit-breaker terminal 63, 4th switch 64, 25 vacuum circuit-breaker terminal 65, 26 vacuum circuit-breaker terminal 66, 5th switch 67, 27 vacuum circuit-breaker end 68, 6th switch 69, the first end of the little bus 20 of described control connects the 9th port of ST266F intelligent comprehensive protection supervisory equipment 13 by the first miniature circuit breaker 42, tenth port, first diverter switch 23 first end, second diverter switch 24 first end, tenth Single port, 6th switch 69 first end, first signal lamp 29 first end, secondary signal 30 lamp first end, 3rd signal lamp 31 first end, 4th signal lamp 32 first end, 14 vacuum circuit-breaker terminal 48 first end, 16 vacuum circuit-breaker terminal 51 first end, 18 vacuum circuit-breaker terminal 54 first end, 20 vacuum circuit-breaker 57 terminal first end, 22 vacuum circuit-breaker terminal 60 first end, 24 vacuum circuit-breaker terminal 63 first end, 26 vacuum circuit-breaker 66 terminal first end, described first diverter switch 23 second end connects the first end of the first button 25 and the 4th button 28, described second diverter switch 24 second end connects the first end of the second button 26 and the 3rd button 27, second end and second end of the second button 26 of described first button 25 are all connected the 13 port of ST266F intelligent comprehensive protection supervisory equipment 13, and the 13 port is by the 4th vacuum circuit-breaker terminal 33, first brake cable circle 34 connects the 5th vacuum circuit-breaker terminal 35 first end, second end and second end of the 3rd button 27 of described 4th button 28 are all connected the 14 port of ST266F intelligent comprehensive protection supervisory equipment 13, and the 14 port is by the 6th vacuum circuit-breaker terminal 36, second brake cable circle 37 connects the 7th vacuum circuit-breaker terminal 38 first end, and the second end of described 6th switch 69 is by the 8th vacuum circuit-breaker terminal 39, 3rd brake cable circle 40 connects the 9th vacuum circuit-breaker terminal 41 first end, described first signal lamp 29, second end of secondary signal lamp 30 is by the tenth vacuum circuit-breaker terminal 42, first circuit breaker 43 connects the 11 vacuum circuit-breaker terminal 44 first end, described 3rd signal lamp 31, second end of the 4th signal lamp 32 is by the 12 vacuum circuit-breaker terminal 45, second circuit breaker 46 connects the 13 vacuum circuit-breaker terminal 47 first end, and described 14 vacuum circuit-breaker terminal 48 second end is by the 3rd circuit breaker 49, 15 vacuum circuit-breaker terminal 50 connects the tenth five-port of ST266F intelligent comprehensive protection supervisory equipment 13, and described 16 vacuum circuit-breaker 51 terminal second end is by the 4th circuit breaker 52, 17 vacuum circuit-breaker 53 terminal connects the 16 port of ST266F intelligent comprehensive protection supervisory equipment 13, and described 18 vacuum circuit-breaker terminal 54 second end is by the first switch 55, 19 vacuum circuit-breaker terminal 56 connects the 17 port of ST266F intelligent comprehensive protection supervisory equipment 13, and described 20 vacuum circuit-breaker terminal 57 second end is by second switch 58, 21 vacuum circuit-breaker terminal 59 connects the 18 port of ST266F intelligent comprehensive protection supervisory equipment 13, and described 22 vacuum circuit-breaker terminal 60 second end is by the 3rd switch 61, 23 vacuum circuit-breaker terminal 62 connects the 19 port of ST266F intelligent comprehensive protection supervisory equipment 13, and described 24 vacuum circuit-breaker terminal 63 second end is by the 4th switch 64, 25 vacuum circuit-breaker terminal 65 connects the 20 port of ST266F intelligent comprehensive protection supervisory equipment 13, and described 26 vacuum circuit-breaker terminal 66 second end is by the 5th switch 67, 27 vacuum circuit-breaker terminal 68 connects the 20 Single port of ST266F intelligent comprehensive protection supervisory equipment 13, the tenth Two-port netwerk of described ST266F intelligent comprehensive protection supervisory equipment 13, 20 Two-port netwerk, 5th vacuum circuit-breaker terminal 35 second end, 7th vacuum circuit-breaker terminal 38 second end, 9th vacuum circuit-breaker terminal 41 second end, 11 vacuum circuit-breaker terminal 44 second end, 13 vacuum circuit-breaker terminal 47 second end is by the second end of the little bus 20 of the second miniature circuit breaker 22 connection control.Control loop 4 realizes the accurate control to equipment, good stability.
As shown in Figure 5, illumination and condensation loop comprise AC power 70, 3rd miniature circuit breaker 71, 4th miniature circuit breaker 72, 7th switch 73, cabinet intraoral illumination lamp 74, condensation controller 75, heater 76, condensation sensor 77, the first end of described 7th switch 73 is all connected AC power 70 first end by the 3rd miniature circuit breaker 71 with the first end of condensation controller 75, the first end of the second end connecting cabinet intraoral illumination lamp 74 of described 7th switch 73, described second end of cabinet intraoral illumination lamp 74 is connected AC power 70 second end with the second end of condensation controller 75 by the 4th miniature circuit breaker 72, heater 76 is provided with between 3rd end of described condensation controller 75 and the 4th end, described condensation controller 75 is also provided with condensation sensor 77, the model of described condensation controller 75 is N2K condensation controller 75.Illumination and condensation loop 5 achieve the real-time monitoring to the illumination of equipment and the temperature and humidity of equipment, make system hommization more, run more stable.
As shown in Figure 6, closing circuit 6 comprises the 4th miniature circuit breaker 78, 5th miniature circuit breaker 79, 8th switch 80, 28 vacuum circuit-breaker terminal 81, 9th switch 82, energy storage motor 83, tenth switch 84, 29 vacuum circuit-breaker terminal 85, 5th signal lamp 86, 30 vacuum circuit-breaker terminal 87, 11 switch 88, 31 vacuum circuit-breaker terminal 89, the first end of described 8th switch 80 and the first end of the 5th signal lamp 86 are by the little bus 20 of the 4th miniature circuit breaker 78 connection control, and the second end of described 8th switch 80 is by the 28 vacuum circuit-breaker terminal 81, 9th switch 82, energy storage motor 83, tenth switch 84 connects the first end of the 29 vacuum circuit-breaker terminal 85, and the second end of described 5th signal lamp 86 is by the 30 vacuum circuit-breaker terminal 87, 11 switch 88 connects the 31 vacuum circuit-breaker terminal 89 first end, and described 29 vacuum circuit-breaker terminal 87 second end and the 31 vacuum circuit-breaker terminal 90 second end are also by the little bus 20 of the 5th miniature circuit breaker 79 connection control.Closing circuit 6 ensure that equipment stable operation, prevents unexpected generation.
Above content described in this specification is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of specification of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (2)
1. in, a pressure ring net vacuum circuit breaker cabinet, is characterized in that: it comprises cabinet, measuring circuit, protection and zero sequence loop, control loop, illumination and condensation loop, closing circuit, described measuring circuit, protection and zero sequence loop, control loop, illumination and condensation loop, closing circuit is all arranged in cabinet, and described measuring circuit comprises the first current transformer, second current transformer, 3rd current transformer, first ammeter, second ammeter, 3rd ammeter, described first current transformer, second current transformer, the first end of the 3rd current transformer is interconnected and ground connection, described first current transformer, second current transformer, second end of the 3rd current transformer connects the first ammeter respectively, second ammeter, the first end of the 3rd ammeter, described first ammeter, second ammeter, second end of the 3rd ammeter is interconnected and ground connection, and described protection and zero sequence loop comprise ST266F intelligent comprehensive protection supervisory equipment, 4th current transformer, 5th current transformer, 6th current transformer, first vacuum circuit-breaker terminal, second vacuum circuit-breaker terminal, 3rd vacuum circuit-breaker terminal, described 4th current transformer, 5th current transformer, the first end of the 6th current transformer is interconnected and ground connection, described 4th current transformer, 5th current transformer, second end of the 6th current transformer is respectively by the first vacuum circuit-breaker terminal, second vacuum circuit-breaker terminal, 3rd vacuum circuit-breaker terminal connects the first port of ST266F intelligent comprehensive protection supervisory equipment, second port, 3rd port, the 4th port also ground connection of described ST266F intelligent comprehensive protection supervisory equipment, the five-port of described ST266F intelligent comprehensive protection supervisory equipment, 6th port, 7th port and the 8th port are interconnected, and described control loop comprises the little bus of control, first miniature circuit breaker, second miniature circuit breaker, first diverter switch, second diverter switch, first button, second button, 3rd button, 4th button, first signal lamp, secondary signal lamp, 3rd signal lamp, 4th signal lamp, 4th vacuum circuit-breaker terminal, first brake cable circle, 5th vacuum circuit-breaker terminal, 6th vacuum circuit-breaker terminal, second brake cable circle, 7th vacuum circuit-breaker terminal, 8th vacuum circuit-breaker terminal, 3rd brake cable circle, 9th vacuum circuit-breaker terminal, tenth vacuum circuit-breaker terminal, first circuit breaker, 11 vacuum circuit-breaker terminal, 12 vacuum circuit-breaker terminal, second circuit breaker, 13 vacuum circuit-breaker terminal, 14 vacuum circuit-breaker terminal, 3rd circuit breaker, 15 vacuum circuit-breaker terminal, 16 vacuum circuit-breaker terminal, 4th circuit breaker, 17 vacuum circuit-breaker terminal, 18 vacuum circuit-breaker terminal, first switch, 19 vacuum circuit-breaker terminal, 20 vacuum circuit-breaker terminal, second switch, 21 vacuum circuit-breaker terminal, 22 vacuum circuit-breaker terminal, 3rd switch, 23 vacuum circuit-breaker terminal, 24 vacuum circuit-breaker terminal, 4th switch, 25 vacuum circuit-breaker terminal, 26 vacuum circuit-breaker terminal, 5th switch, 27 vacuum circuit-breaker end, 6th switch, the first end of the little bus of described control connects the 9th port of ST266F intelligent comprehensive protection supervisory equipment by the first miniature circuit breaker, tenth port, first diverter switch first end, second diverter switch first end, tenth Single port, 6th switch first end, first signal lamp first end, secondary signal lamp first end, 3rd signal lamp first end, 4th signal lamp first end, 14 vacuum circuit-breaker terminal first end, 16 vacuum circuit-breaker terminal first end, 18 vacuum circuit-breaker terminal first end, 20 vacuum circuit-breaker terminal first end, 22 vacuum circuit-breaker terminal first end, 24 vacuum circuit-breaker terminal first end, 26 vacuum circuit-breaker terminal first end, described first diverter switch second end connects the first end of the first button and the 4th button, described second diverter switch second end connects the first end of the second button and the 3rd button, second end and second of described first button
Second end of button all connects the 13 port of ST266F intelligent comprehensive protection supervisory equipment, 13 port is by the 4th vacuum circuit-breaker terminal, first brake cable circle connects the 5th vacuum circuit-breaker terminal first end, second end and second end of the 3rd button of described 4th button are all connected the 14 port of ST266F intelligent comprehensive protection supervisory equipment, 14 port is by the 6th vacuum circuit-breaker terminal, second brake cable circle connects the 7th vacuum circuit-breaker terminal first end, second end of described 6th switch is by the 8th vacuum circuit-breaker terminal, 3rd brake cable circle connects the 9th vacuum circuit-breaker terminal first end, described first signal lamp, second end of secondary signal lamp is by the tenth vacuum circuit-breaker terminal, first circuit breaker connects the 11 vacuum circuit-breaker terminal first end, described 3rd signal lamp, second end of the 4th signal lamp is by the 12 vacuum circuit-breaker terminal, second circuit breaker connects the 13 vacuum circuit-breaker terminal first end, described 14 vacuum circuit-breaker terminal second end is by the 3rd circuit breaker, 15 vacuum circuit-breaker terminal connects the tenth five-port of ST266F intelligent comprehensive protection supervisory equipment, described 16 vacuum circuit-breaker terminal second end is by the 4th circuit breaker, 17 vacuum circuit-breaker terminal connects the 16 port of ST266F intelligent comprehensive protection supervisory equipment, described 18 vacuum circuit-breaker terminal second end is by the first switch, 19 vacuum circuit-breaker terminal connects the 17 port of ST266F intelligent comprehensive protection supervisory equipment, described 20 vacuum circuit-breaker terminal second end passes through second switch, 21 vacuum circuit-breaker terminal connects the 18 port of ST266F intelligent comprehensive protection supervisory equipment, described 22 vacuum circuit-breaker terminal second end is by the 3rd switch, 23 vacuum circuit-breaker terminal connects the 19 port of ST266F intelligent comprehensive protection supervisory equipment, described 24 vacuum circuit-breaker terminal second end is by the 4th switch, 25 vacuum circuit-breaker terminal connects the 20 port of ST266F intelligent comprehensive protection supervisory equipment, described 26 vacuum circuit-breaker terminal second end is by the 5th switch, 27 vacuum circuit-breaker terminal connects the 20 Single port of ST266F intelligent comprehensive protection supervisory equipment, tenth Two-port netwerk of described ST266F intelligent comprehensive protection supervisory equipment, 20 Two-port netwerk, 5th vacuum circuit-breaker terminal second end, 7th vacuum circuit-breaker terminal second end, 9th vacuum circuit-breaker terminal second end, 11 vacuum circuit-breaker terminal second end, 13 vacuum circuit-breaker terminal second end is by the second end of the little bus of the second miniature circuit breaker connection control, described illumination and condensation loop comprise AC power, 3rd miniature circuit breaker, 4th miniature circuit breaker, 7th switch, cabinet intraoral illumination lamp, condensation controller, heater, condensation sensor, the first end of described 7th switch is all connected AC power first end by the 3rd miniature circuit breaker with the first end of condensation controller, the first end of the second end connecting cabinet intraoral illumination lamp of described 7th switch, described second end of cabinet intraoral illumination lamp is connected AC power second end with the second end of condensation controller by the 4th miniature circuit breaker, heater is provided with between 3rd end of described condensation controller and the 4th end, described condensation controller is also provided with condensation sensor, described closing circuit comprises the 4th miniature circuit breaker, 5th miniature circuit breaker, 8th switch, 28 vacuum circuit-breaker terminal, 9th switch, energy storage motor, tenth switch, 29 vacuum circuit-breaker terminal, 5th signal lamp, 30 vacuum circuit-breaker terminal, 11 switch, 31 vacuum circuit-breaker terminal, the first end of described 8th switch and the first end of the 5th signal lamp are by the little bus of the 4th miniature circuit breaker connection control, second end of described 8th switch is by the 28 vacuum circuit-breaker terminal, 9th switch, energy storage motor, tenth switch connects the first end of the 29 vacuum circuit-breaker terminal, second end of described 5th signal lamp is by the 30 vacuum circuit-breaker terminal, 11 switch connects the 31 vacuum circuit-breaker terminal first end, described 29 vacuum circuit-breaker terminal second end and the 31 vacuum circuit-breaker terminal second end are also by the little bus of the 5th miniature circuit breaker connection control.
2. pressure ring net vacuum circuit breaker cabinet in one according to claim 1, is characterized in that: the model of described condensation controller is N2K condensation controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529539.0A CN105071276A (en) | 2015-08-26 | 2015-08-26 | Medium-voltage looped-network vacuum circuit breaker cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529539.0A CN105071276A (en) | 2015-08-26 | 2015-08-26 | Medium-voltage looped-network vacuum circuit breaker cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762924A (en) * | 2016-04-23 | 2016-07-13 | 国家电网公司 | Moveable rapid solid state power supply change-over switch apparatus |
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| CN105762924A (en) * | 2016-04-23 | 2016-07-13 | 国家电网公司 | Moveable rapid solid state power supply change-over switch apparatus |
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