| Compartmentalized power distribution equipment enclosure -> Monitor Keywords |
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  Compartmentalized power distribution equipment enclosureThe Patent Description & Claims data below is from USPTO Patent Application 20070194672. Brief Patent Description - Full Patent Description - Patent Application Claims
[0001] This application claims the benefit of U.S. Provisional Application No. 60/735,751 filed Nov. 11, 2005. TECHNICAL FIELD [0002] This patent relates to underground electrical power distribution systems and more particularly to a compartmentalized power distribution equipment enclosure suitable for an underground electrical power distribution system and other applications. BACKGROUND [0003] In contrast to overhead systems, underground electrical distribution systems transfer energy through buried, insulated cables. The conductors are energized at high potential; the sheathing of the cable is grounded. This creates high electrical stress in the cable insulation. When the cable emerges from the ground and connects to equipment, the conductor must remain sufficiently insulated from ground potential. [0004] A system providing such a connection passes the conductor, insulation and ground sheath through an elastomeric connector system. The ground sheath is connected to the grounded equipment enclosure. An interior bushing sufficiently grades the electrical stress. However, these systems do not provide a barrier between the cable termination and the device to which it is connected. In other instances, it is desirable to provide for the cable termination to be segregated from other components, such as circuit-breakers, switchgear or buswork, to allow maintenance of grounded cable terminations without exposure to breaker terminals or buswork that might be energized. BRIEF DESCRIPTION OF THE DRAWINGS [0005] FIG. 1 is a perspective view of a compartmentalized underground distribution switchgear enclosure. [0006] FIG. 2 is a perspective view of the enclosure illustrated in FIG. 1 with a first compartment enclosure access panel displaced to provide access to gear disposed within the compartment enclosure. [0007] FIG. 3 is a perspective view of the enclosure illustrated in FIG. 1 with the first compartment enclosure access panel removed. [0008] FIG. 4 is a perspective view of the enclosure illustrated in FIG. 1 with the first compartment enclosure access panel removed and a second compartment enclosure access panel displaced to provide access to gear disposed within the compartment enclosure. [0009] FIG. 5 is a perspective view of the enclosure illustrated in FIG. 1 with the first and second compartment enclosure access panels removed. [0010] FIG. 6 is a perspective view of a compartment that may be disposed within the enclosure depicted in FIG. 1. [0011] FIG. 7 is a perspective view of the compartment enclosure depicted in FIG. 6 with first and second access panels removed. [0012] FIG. 8 is a perspective view of the compartment enclosure depicted in FIG. 6 with a first panel positioned for assembly to the compartment enclosure. [0013] FIG. 9 is an enlarged partial perspective view of a rail construction for interlocking panels of the compartment enclosure depicted in FIG. 6. [0014] FIG. 10 is an enlarged partial rear perspective view of the compartment enclosure depicted in FIG. 6 illustrating a blocking feature. [0015] FIG. 11 is a perspective view the compartment enclosure depicted in FIG. 6 with a first panel removed and illustrating a blocking feature. [0016] FIG. 12 is a section view taken along line 12-12 of FIG. 11. [0017] FIG. 13 is an enlarged detail of a portion of the section illustrated in FIG. 11. DETAILED DESCRIPTION [0018] FIG. 1 illustrates a compartmentalized underground distribution switchgear enclosure 10. The enclosure 10 is positioned on a base 12, such as a concrete or other suitable foundation or base, as is well know. Insulated, buried conductors (not depicted) communicate through the base 12 into the enclosure 10. The enclosure 10 may include fixed side panels 14 and a fixed top panel 16 along with a pivoting top panel 18 and a retractable front panel 20. The panel 18 is hinged and mounted to pivot upwardly and to be suitably supported, for example, by a prop rod 22. With the top panel 18 raised, the retractable front panel 20 may be lowered. In this regard, the panel 20 may include panel members 20a and 20b. The panel member 20b may be fixed while the panel member 24 is received in channels 24 formed in the side panels 14. The panel member 20a is moveable within the channels 24 from a raised position (not depicted) to a lowered position as shown in FIG. 1 to enhance access to the enclosure 10. The enclosure 10 may further include a control housing 26 secured to one of the side panels 14. The control housing 26 is suitable for housing control electronics, communication gear and the like separate and apart from the power distribution equipment disposed within the enclosure 10. The control housing 26 will generally include an enclosing panel (not depicted) to enclose the control housing 26. [0019] Referring to FIGS. 1-5, disposed within the enclosure 10 may be a compartment enclosure 30, and as depicted in the figures, the enclosure 10 includes three compartment enclosures 30. Any number of compartment enclosures may be provided within the enclosure 10. The compartment enclosures may be retrofitted into existing designs for enclosures, or new enclosure designs may incorporate compartment enclosures. The compartment enclosures 30 segment or compartmentalize the interior space of the enclosure 10 to permit separation of cable termination from other distribution equipment and components contained within the enclosure 10, such as circuit-breakers, switches, terminations, buswork and the like. As will be described, a plurality of interconnecting panel members forms each compartment enclosure 30. One or more of the interconnecting panel members may be movable relative to the other panel members. Moreover, the interconnection of the panel members may serve to secure the panel members together to enclose the compartment enclosure 30 without the use of mechanical or other fasteners. Furthermore, the interconnecting of the panels members may further act to facilitate sealing of the edges of the compartment enclosure 30 during a flash over or other failure event of the equipment disposed within the compartment enclosure 30. [0020] One or more panel members of the compartment enclosure 30 may be moveable and/or removable to open and provide access to an interior of the compartment enclosure 30 and the equipment disposed therein. Referring to FIG. 2, a first panel, e.g., a front panel 32 may be slideable along a first direction relative to the other panel members. As shown in FIG. 2, the panel 32 is vertically slideable relative to the compartment enclosure 30 to remove the panel 32 from the compartment enclosure 30, although it should be understood the direction of movement is freely selectable based upon the orientation of the compartment enclosure 30 within the enclosure and the order in which the panels are to be removed, as will be described. Continue reading... Full patent description for Compartmentalized power distribution equipment enclosure Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Compartmentalized power distribution equipment enclosure patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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