CA2489538C - Field convertible tap-off unit - Google Patents
Field convertible tap-off unit Download PDFInfo
- Publication number
- CA2489538C CA2489538C CA2489538A CA2489538A CA2489538C CA 2489538 C CA2489538 C CA 2489538C CA 2489538 A CA2489538 A CA 2489538A CA 2489538 A CA2489538 A CA 2489538A CA 2489538 C CA2489538 C CA 2489538C
- Authority
- CA
- Canada
- Prior art keywords
- electrical
- configurable
- base
- function
- busway
- 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.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
- B65H69/08—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
- B29C65/242—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool the heat transfer being achieved by contact, i.e. a heated tool being brought into contact with the welding tool and afterwards withdrawn from it
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/524—Joining profiled elements
- B29C66/5241—Joining profiled elements for forming coaxial connections, i.e. the profiled elements to be joined forming a zero angle relative to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/824—Actuating mechanisms
- B29C66/8242—Pneumatic or hydraulic drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/853—Machines for changing web rolls or filaments, e.g. for joining a replacement web to an expiring web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0081—Shaping techniques involving a cutting or machining operation before shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
- B29C66/81417—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled being V-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/9261—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools
- B29C66/92611—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by controlling or regulating the gap between the joining tools
- B29C66/92613—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by controlling or regulating the gap between the joining tools the gap being kept constant over time
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2005/00—Elements of slide fasteners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/37—Tapes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Distribution Board (AREA)
- Breakers (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
A field convertible tap-off base for an electrical busway distribution fitting. The field convertible tap-off base includes an AC phase termination side and a field configurable side having first and second configurable electrical terminals. The AC phase termination side provides terminals for connecting three AC phase conductors of a busway electrical distribution system to any one of a number of load bases configured for electrical components such as circuit breakers, switches, fuses, lugs or other special functions. The first and second configurable terminals permit two additional busway electrical conductors to be used for neutral, high current capacity neutral, secondary ground, DC current or other special functions which might be defined in the busway electrical distribution system.
Description
FIELD CONVERTIBLE TAP-OFF UNIT
FIELD OF THE INVENTION
[0001] The present invention relates to the field of electrical distribution, and particularly to a busway tap-off unit having electrical phase terminals and field convertible additional terminals.
SUMMARY OF INVENTION
FIELD OF THE INVENTION
[0001] The present invention relates to the field of electrical distribution, and particularly to a busway tap-off unit having electrical phase terminals and field convertible additional terminals.
SUMMARY OF INVENTION
[0002] In accordance with an aspect of the present invention, there is provided a field configurable base for a busway tap-off unit adapted for use with a busway electrical distribution system having a plurality of electrical phase conductors and at least one additional electrical conductor for a preselected function. The configurable base comprises: a plug-in base defining a phase termination side and a field configurable side provided with a first configurable terminal and a second configurable terminal, an electrical function of each of the first and the second configurable terminals is determined by the electrical function of the additional electrical conductors to which they are connected.
[0003] In accordance with another aspect of the present invention, there is provided a method of configuring a busway tap-off unit to an electrical busway power distribution system having both electrical phase conductors and additional function electrical conductors. The method comprises the steps of: determining the electrical function of each electrical conductor in the electrical busway power distribution system other than the phase conductors; selecting an appropriate symbol label for identifying the electrical function of the additional function electrical conductor to be connected to a first configurable terminal and fixing it to the plug-in base adjacent the first configurable terminal; selecting an appropriate symbol label for identifying the electrical function of one of the additional function electrical conductors to be connected to a second configurable terminal and fixing it to the plug-in base adjacent the second configurable terminal; electrically connecting the first and second configurable terminals together if the electrical function of their associated electrical conductors is the same.
[0003.1] In accordance with another aspect of the present invention, there is provided a method of configuring a busway tap-off unit to an electrical busway power distribution system having both electrical phase conductors and additional function electrical conductors. The method comprises the steps of: selecting a load control device and associated load base; connecting the load base terminals to the load base bussing of the load base; determining the electrical function of each electrical conductor in the electrical busway power distribution system other than the electrical phase conductors; selecting an appropriate symbol label for identifying the electrical function of the additional function electrical conductor to be connected to a first configurable terminal and fixing it to the plug-in base adjacent the first configurable terminal; selecting an appropriate symbol label for identifying the electrical function of the additional function electrical conductor to be connected to a second configurable terminal and fixing it to the plug-in base adjacent the second configurable terminal; electrically connecting the first and second configurable terminals together if the electrical function of their associated electrical conductors is the same.
[0003.2] In accordance to yet another aspect of the present invention, there is provided a field configurable base for a busway tap-off unit comprising: a plug-in base defining a phase termination side for connecting to an appropriate load base for a user selected load control device and a functionally independent field configurable side having a first configurable terminal and a second configurable terminal, an electrical function of each of the first and the second configurable terminals being determined by the electrical function of an electrical conductor in a busway electrical distribution system to which each is connected.
BRIEF DESCRIPTION OF THE DRAWINGS
[0003.1] In accordance with another aspect of the present invention, there is provided a method of configuring a busway tap-off unit to an electrical busway power distribution system having both electrical phase conductors and additional function electrical conductors. The method comprises the steps of: selecting a load control device and associated load base; connecting the load base terminals to the load base bussing of the load base; determining the electrical function of each electrical conductor in the electrical busway power distribution system other than the electrical phase conductors; selecting an appropriate symbol label for identifying the electrical function of the additional function electrical conductor to be connected to a first configurable terminal and fixing it to the plug-in base adjacent the first configurable terminal; selecting an appropriate symbol label for identifying the electrical function of the additional function electrical conductor to be connected to a second configurable terminal and fixing it to the plug-in base adjacent the second configurable terminal; electrically connecting the first and second configurable terminals together if the electrical function of their associated electrical conductors is the same.
[0003.2] In accordance to yet another aspect of the present invention, there is provided a field configurable base for a busway tap-off unit comprising: a plug-in base defining a phase termination side for connecting to an appropriate load base for a user selected load control device and a functionally independent field configurable side having a first configurable terminal and a second configurable terminal, an electrical function of each of the first and the second configurable terminals being determined by the electrical function of an electrical conductor in a busway electrical distribution system to which each is connected.
BRIEF DESCRIPTION OF THE DRAWINGS
[0004] The features of the invention will become more clearly understood from the following detailed description of the invention read together with the drawings in which:
Figure 1 illustrates a busway tap-off unit with a plug-in base manufactured in accordance with the present invention.
Figure 2 is an isometric top view of the plug-in base of Figure 1.
Figure 3 illustrates a selection of labels for use with the convertible tap-off unit.
Before one embodiment of the invention is explained in detail, it is to be understood that the invention is not limited in its application to the details of construction described herein or as illustrated in the drawings. The invention is capable of other embodiments and of being practiced or being carried out in various other ways. Further, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting.
lB
DETAILED DESCRIPTION OF THE DRAWINGS
Figure 1 illustrates a busway tap-off unit with a plug-in base manufactured in accordance with the present invention.
Figure 2 is an isometric top view of the plug-in base of Figure 1.
Figure 3 illustrates a selection of labels for use with the convertible tap-off unit.
Before one embodiment of the invention is explained in detail, it is to be understood that the invention is not limited in its application to the details of construction described herein or as illustrated in the drawings. The invention is capable of other embodiments and of being practiced or being carried out in various other ways. Further, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting.
lB
DETAILED DESCRIPTION OF THE DRAWINGS
[0005] Figure 1 illustrates the interior of a field convertible tap-off unit with a plug-in base assembly 14, manufactured in accordance with the present invention. Also shown is a load base 18, manufactured in accordance 10 with the present invention. The load base 18 shown in Figure 1 is for a circuit breaker, however, it can be easily replaced with load bases for other load control devices such as a switch load base, a fuse load base, a lug terminal load base or other specialized load base as required by the end user. A
typical busway electrical distribution system is provided with a number of electrically insulated electrical conductors enclosed within a housing. The tap-off unit 10 provides a means for accessing the enclosed electrical conductors such that electrical equipment can be connected to the busway power system. A typical power system might include three AC phase conductors and an equipment ground provided by the busway housing. In other applications a neutral conductor or a secondary (isolated) ground conductor or both might be required. Some power systems require a neutral with higher current carrying capacity. In still other systems a DC power source might be required in addition to the three phase AC power. The plug-in base assembly 14 of the present invention permits the installer to configure one tap-off unit 10 for use with any of the power systems described above or some other specialized power system requirement when the busway electrical distribution system being connected to includes conductors for that application.
typical busway electrical distribution system is provided with a number of electrically insulated electrical conductors enclosed within a housing. The tap-off unit 10 provides a means for accessing the enclosed electrical conductors such that electrical equipment can be connected to the busway power system. A typical power system might include three AC phase conductors and an equipment ground provided by the busway housing. In other applications a neutral conductor or a secondary (isolated) ground conductor or both might be required. Some power systems require a neutral with higher current carrying capacity. In still other systems a DC power source might be required in addition to the three phase AC power. The plug-in base assembly 14 of the present invention permits the installer to configure one tap-off unit 10 for use with any of the power systems described above or some other specialized power system requirement when the busway electrical distribution system being connected to includes conductors for that application.
[0006] Figure 2 illustrates the top of the convertible plug-in base assembly 14 of the present invention. The plug-in base 14, made from an electrically insulating material, includes an AC phase termination side 22, where three load base terminals 26 (only two shown) are provided for connecting to any of the various load bases 18, and a configurable side 30 where a first configurable conductor terminal 34 and a second configurable conductor terminal 38 are provided such that the installer can configure the tap-off unit 10 to the power system on which it is being installed. The plug-in base 14 provides support and electrical separation for the terminals 26, 34 and 38. Each terminal 26, 34 and 38 is electrically connected to one of the electrical conductors in the busway electrical distribution system by a plug-in jaw assembly 42. Each plug-in jaw assembly 42 includes a jaw 46, which engages the electrical conductor and a stab 50, which passes through an opening 54 in the plug-in base 14. The stab 50 is electrically connected to the load base terminal 26. A shaped recess 58 is integrally formed in the plug-in base 14 at each of the three load base terminals 26. The stab 50 and load base terminal 26 can be configured as one part, thereby eliminating one electrical connection. The shape of the recess 58 coincides with that of a bolt head or nut 62 used in making the electrical connection between the load base terminal 26 and the load base bus 66 (Figure 1) such that the bolt head or nut 62 can be received therein and prevented from rotating. As an alternate construction, the bolts or nuts 62 can be an insert molded into the plug-in base 14, thereby making connections easier and eliminating loose parts which could be easily lost.
[0007] Configuration of the tap-off unit 10 is accomplished by first determining if electrical conductors other than the three AC phase conductors are present in the busway device on which the tap-off unit 10 will be installed.
If no additional electrical conductors are present in the busway device, an equipment ground conductor can be connected to the equipment ground lug 70 (Figure 1) which is attached to the enclosure of the tap-off unit 10 and provided with an electrical connection with the busway housing. If additional electrical conductors are present in the busway device, the electrical function of each must be determined. A label 74 indicating that electrical function can then be placed adjacent to one or both of the first and second configurable terminals, 34 and 38, respectively. A label sheet 78, as shown in Figure 3, including labels for the most commonly expected electrical functions 82 and blank labels 86 for special functions can be provided with the tap-off unit 10.
If both first and second configurable terminals, 34 and 38, respectively, have the same electrical function, a jumper 90 connecting the terminals 34 and 38 can be installed. The jumper 90 is electrically connected to both terminals 34 and 38 by binding screws 94. The final step in configuring the tap-off unit 10 is selecting and installing the desired load base 18, if it has not been provided with the tap-off unit 10.
If no additional electrical conductors are present in the busway device, an equipment ground conductor can be connected to the equipment ground lug 70 (Figure 1) which is attached to the enclosure of the tap-off unit 10 and provided with an electrical connection with the busway housing. If additional electrical conductors are present in the busway device, the electrical function of each must be determined. A label 74 indicating that electrical function can then be placed adjacent to one or both of the first and second configurable terminals, 34 and 38, respectively. A label sheet 78, as shown in Figure 3, including labels for the most commonly expected electrical functions 82 and blank labels 86 for special functions can be provided with the tap-off unit 10.
If both first and second configurable terminals, 34 and 38, respectively, have the same electrical function, a jumper 90 connecting the terminals 34 and 38 can be installed. The jumper 90 is electrically connected to both terminals 34 and 38 by binding screws 94. The final step in configuring the tap-off unit 10 is selecting and installing the desired load base 18, if it has not been provided with the tap-off unit 10.
Claims (9)
1. A field configurable base for a busway tap-off unit adapted for use with a busway electrical distribution system having a plurality of electrical phase conductors and at least one additional electrical conductor for a preselected function, said configurable base comprising:
a plug-in base defining a phase termination side and a field configurable side provided with a first configurable terminal and a second configurable terminal, an electrical function of each of said first and said second configurable terminals is determined by the electrical function of the additional electrical conductors to which they are connected.
a plug-in base defining a phase termination side and a field configurable side provided with a first configurable terminal and a second configurable terminal, an electrical function of each of said first and said second configurable terminals is determined by the electrical function of the additional electrical conductors to which they are connected.
2. The field configurable base of claim 1, wherein said plug-in base is made from an electrically insulating material.
3. The field configurable base of claim 1, wherein said phase termination side is provided with a plurality of electrical terminals for connecting to an appropriate load base for a user selected load control device.
4. The field configurable base of claim 1, wherein said first and second configurable terminals can be electrically connected together when the electrical function of their associated additional electrical conductors is the same.
5. The field configurable base of claim 1, wherein appropriate symbol labels indicating the electrical function of said first and second configurable terminals can be placed on said plug-in base adjacent said first and second configurable terminals.
6. A method of configuring a busway tap-off unit to an electrical busway power distribution system having both electrical phase conductors and additional function electrical conductors comprising the steps of:
determining the electrical function of each electrical conductor in the electrical busway power distribution system other than the phase conductors;
selecting an appropriate symbol label for identifying the electrical function of said additional function electrical conductor to be connected to a first configurable terminal and fixing it to the plug-in base adjacent the first configurable terminal;
selecting an appropriate symbol label for identifying the electrical function of one of said additional function electrical conductors to be connected to a second configurable terminal and fixing it to the plug-in base adjacent the second configurable terminal;
electrically connecting the first and second configurable terminals together if the electrical function of their associated electrical conductors is the same.
determining the electrical function of each electrical conductor in the electrical busway power distribution system other than the phase conductors;
selecting an appropriate symbol label for identifying the electrical function of said additional function electrical conductor to be connected to a first configurable terminal and fixing it to the plug-in base adjacent the first configurable terminal;
selecting an appropriate symbol label for identifying the electrical function of one of said additional function electrical conductors to be connected to a second configurable terminal and fixing it to the plug-in base adjacent the second configurable terminal;
electrically connecting the first and second configurable terminals together if the electrical function of their associated electrical conductors is the same.
7. A method of configuring a busway tap-off unit to an electrical busway power distribution system having both electrical phase conductors and additional function electrical conductors comprising the steps of:
selecting a load control device and associated load base;
connecting the load base terminals to the load base bussing of the load base;
determining the electrical function of each electrical conductor in the electrical busway power distribution system other than the electrical phase conductors;
selecting an appropriate symbol label for identifying the electrical function of the additional function electrical conductor to be connected to a first configurable terminal and fixing it to the plug-in base adjacent the first configurable terminal;
selecting an appropriate symbol label for identifying the electrical function of the additional function electrical conductor to be connected to a second configurable terminal and fixing it to the plug-in base adjacent the second configurable terminal;
electrically connecting the first and second configurable terminals together if the electrical function of their associated electrical conductors is the same.
selecting a load control device and associated load base;
connecting the load base terminals to the load base bussing of the load base;
determining the electrical function of each electrical conductor in the electrical busway power distribution system other than the electrical phase conductors;
selecting an appropriate symbol label for identifying the electrical function of the additional function electrical conductor to be connected to a first configurable terminal and fixing it to the plug-in base adjacent the first configurable terminal;
selecting an appropriate symbol label for identifying the electrical function of the additional function electrical conductor to be connected to a second configurable terminal and fixing it to the plug-in base adjacent the second configurable terminal;
electrically connecting the first and second configurable terminals together if the electrical function of their associated electrical conductors is the same.
8. A field configurable base for a busway tap-off unit comprising:
a plug-in base defining a phase termination side for connecting to an appropriate load base for a user selected load control device and a functionally independent field configurable side having a first configurable terminal and a second configurable terminal, an electrical function of each of said first and said second configurable terminals being determined by the electrical function of an electrical conductor in a busway electrical distribution system to which each is connected.
a plug-in base defining a phase termination side for connecting to an appropriate load base for a user selected load control device and a functionally independent field configurable side having a first configurable terminal and a second configurable terminal, an electrical function of each of said first and said second configurable terminals being determined by the electrical function of an electrical conductor in a busway electrical distribution system to which each is connected.
9. The field configurable base of claim 8, wherein said first and second configurable terminals can be electrically connected together by a jumper when the electrical function of their associated electrical conductors is the same.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/172,272 US20030230377A1 (en) | 2002-06-14 | 2002-06-14 | Apparatus and method for automated splicing of closer tape |
US10/172,272 | 2002-06-14 | ||
PCT/US2003/018981 WO2003107500A2 (en) | 2002-06-14 | 2003-06-13 | Field convertible tap-off unit |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2489538A1 CA2489538A1 (en) | 2003-12-24 |
CA2489538C true CA2489538C (en) | 2011-03-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2489538A Expired - Lifetime CA2489538C (en) | 2002-06-14 | 2003-06-13 | Field convertible tap-off unit |
Country Status (3)
Country | Link |
---|---|
US (1) | US20030230377A1 (en) |
CA (1) | CA2489538C (en) |
MX (1) | MXPA04012668A (en) |
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CN108715035B (en) * | 2018-04-27 | 2020-09-25 | 无锡中卓智能科技股份有限公司 | Multi-rivet-head hot riveting control method |
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-
2002
- 2002-06-14 US US10/172,272 patent/US20030230377A1/en not_active Abandoned
-
2003
- 2003-06-13 MX MXPA04012668A patent/MXPA04012668A/en active IP Right Grant
- 2003-06-13 CA CA2489538A patent/CA2489538C/en not_active Expired - Lifetime
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MXPA04012668A (en) | 2005-03-23 |
US20030230377A1 (en) | 2003-12-18 |
CA2489538A1 (en) | 2003-12-24 |
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