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WO2014118488A1 - Agencements de production de courant électrique et composants associés - Google Patents

Agencements de production de courant électrique et composants associés Download PDF

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Publication number
WO2014118488A1
WO2014118488A1 PCT/GB2013/050245 GB2013050245W WO2014118488A1 WO 2014118488 A1 WO2014118488 A1 WO 2014118488A1 GB 2013050245 W GB2013050245 W GB 2013050245W WO 2014118488 A1 WO2014118488 A1 WO 2014118488A1
Authority
WO
WIPO (PCT)
Prior art keywords
power transmission
cable
transmission cable
control tower
layer
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.)
Ceased
Application number
PCT/GB2013/050245
Other languages
English (en)
Inventor
James Todd
Mark Mcallister
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar NI Ltd
Original Assignee
Caterpillar NI Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Caterpillar NI Ltd filed Critical Caterpillar NI Ltd
Priority to CN201380071687.1A priority Critical patent/CN105027395B/zh
Priority to PCT/GB2013/050245 priority patent/WO2014118488A1/fr
Publication of WO2014118488A1 publication Critical patent/WO2014118488A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

Definitions

  • EPG electric power generation
  • EPG arrangements such as generator sets for example (also known as gensets), may comprise combination of an engine and a generator. Both components may be mounted together to form a single machine.
  • An EPG arrangement may be used to provide electricity at various locations, such as construction sites or emergency response sites. Generally, an EPG arrangement may be used to provide electricity for telecommunications towers, apartments, office buildings, hotels and hospitals.
  • An EPG arrangement may be a small person-portable device or a larger device that may be mounted on a skid or a trailer, depending on the
  • an EPG arrangement may be housed within an enclosure, such as a removable shroud or cover.
  • EPG arrangements typically include a generator that is electrically connected to a circuit breaker housed in a control tower.
  • the control tower may be mounted adjacent to, or in the vicinity of, the generator, with power
  • the circuit breaker has been mounted on the generator housing itself to avoid problems of providing cabling from the generator to the circuit breaker.
  • this arrangement is believed to be undesirable for EPG arrangements using acoustic, noise-attenuating enclosures.
  • the arrangement may be considered to be undesirable because airflow in such enclosures can be critical and control circuit panels, which are desirably accessible from outside of the enclosure must generally be placed nearby the circuit breaker. As the circuit breaker is usually located inside the enclosure, this limits flexibility for airflow paths.
  • EP-A-1544981 discloses an EPG arrangement which solves the power transmission cabling problem in one manner through the use of rotary cabling guide mounted on the generator, which guides the power transmission cables between the generator and the control tower.
  • the disclosure therefore provides a power transmission cable for use with an electrical power generation (EPG) arrangement, the power transmission cable comprising at least one electrically conductive cable layer having a bend partway along its length to define first and second
  • the disclosure further provides a method of assembling a power transmission cable, comprising the steps of:
  • the disclosure further provides a control tower for use with an EPG arrangement, the control tower comprising:
  • a frame having a pair of opposing horizontal walls, a pair of opposing vertical walls, and a vertical back plate attached to the horizontal walls and the vertical walls; mounting means located on the vertical back plate; and at least one circuit breaker having electrical
  • the at least one circuit breaker being mounted on the mounting means;
  • the disclosure further provides an EPG arrangement comprising a generator having electrical terminals and a control tower according to any one of claims 21 to 24, wherein the electrical terminals of the generator and the at least one circuit breaker of the control tower are connected by power transmission cables according to any one of claims 1 to 16.
  • FIG 1 is a perspective view of one exemplary embodiment of an EPG arrangement including a plurality of power transmission cables and a control tower;
  • Figure 2 is a side elevation of the EPG arrangement of
  • Figure 3 is a perspective view of the control tower of Figure 1 ;
  • Figure 4 is a front elevation of the control tower of Figures 1 and 3 ;
  • Figure 5 is a perspective view of one of the power transmission cables of Figure 1 ;
  • Figure 6 is a further perspective view of the power transmission cable of Figure 4, including an insulation sleeve ;
  • Figure 7 is a perspective view of a cable duct for use with the EPG arrangement of Figure 1 and Figure 2; and Figure 8 shows a perspective view of a terminal box for use with the EPG arrangement .
  • FIGS 1 and 2 illustrate one exemplary embodiment of an EPG arrangement 10.
  • the EPG arrangement 10 may generally comprise a generator 11, a control tower 12 positioned adjacent to the generator 11, and a plurality of power transmission cables 13 connected between the generator 11 and the control tower 12.
  • the generator 11 and the control tower 12 may be mounted on or in a conventional base or frame (not shown) .
  • the term 'generator' may include a conventional
  • dynamoelectric alternator having a rotating armature or rotor and a fixed stator, a hydrogen or other fuel cell, a solar power cell, or any other device for producing
  • the alternator may be driven by any suitable motive source, such as a spark-ignited or compression-ignited reciprocating piston engine or a diesel or natural gas powered turbine engine for example.
  • the control tower is shown in more detail in Figure 3.
  • the control tower 12 may have a frame-like structure.
  • One suitable structure may comprise a pair of opposing
  • One or more circuit breakers 23, having terminals 24, may be mounted in the control tower 12 by any suitable means, such as a mounting bracket 25.
  • the mounting bracket 25 may be attached to, or form part of, the back plate 22.
  • the control tower 12 may provide a rigid mounting enclosure for a range of sizes of circuit breaker, for example 630A-1600A.
  • the back plate 22 may include an aperture 27 through which the power transmission cables 13 may pass into the control tower 12. In the embodiment shown in the figures, one power transmission cable 13 is connected to each terminal 24 of the circuit breaker (s) 23, and a further power transmission cable 13 is connected to a neutral connection (not shown) in the control tower 12.
  • the number of power transmission cables 13 may vary according to requirements of the EPG arrangement.
  • the power transmission cables 13 may connect to power terminal strips, such as copper strips, which may be mounted in the control tower (not shown) .
  • the circuit breaker (s) 23 may be mounted remotely and electrically connected to the power terminal strips in the control tower 12.
  • the mounting position of the circuit breaker (s) 23 in the control tower 12 may be at a predetermined distance from the generator 11, which may be determined by the dimensions of the power transmission cables 13. Similarly, and
  • the mounting location of the control tower 12 on the frame (not shown) may also be determined by the dimensions of the power transmission cables 13.
  • the control tower 12 may be secured to the frame (not shown) using any suitable fastening means, such as bolts.
  • the control tower 12 may further include earthing points.
  • the earthing points may be in the form of a copper bar 28, which may mounted inside the control tower via electrically conductive
  • the fastening means 26 may be bolts, may pass through apertures in the wall of the control tower 12.
  • the portions of the fastening means 26 which are external to the control tower 12 may be earthed.
  • the control tower 12 may be provided with a suitable face-cover or door (not shown) .
  • the control tower 12 may be made of any material.
  • the circuit breaker 23 may be a conventional 3-pole circuit breaker (plus earth or ground) , but a 4-pole or other circuit breaker could be used.
  • the control tower 12 may further include one or more conventional control
  • Any control circuits may include, for example, printed circuit boards, relays, switches, fuses, and additional circuit breakers 23.
  • Any status monitors may include conventional digital or analogue displays or gauges.
  • the control tower 12 may also include optional connection points (not shown) for users to provide current to auxiliary devices .
  • the generator 11 may have phase copper terminals (not shown) which may be aligned along a rear face of the
  • Each power transmission cable 13 may comprise
  • Each power transmission cable 13 may comprise at least one cable layer 30.
  • the power transmission cable 13 may be multi-layered and comprise three to seven cable layers 30.
  • the number of cable layers 30 may be dependent on the current rating and the thickness of each cable layer 30.
  • Each cable layer 30 may be substantially flat, with the cable layers 30 secured one above each other.
  • Each cable layer 30 may be formed from a single element, or from a plurality of strands. In the latter case the strands may be braided (as shown in Figure 4) .
  • the cable layers 30 may be made from copper cabling. Aluminium cabling may be used as an alternative to copper.
  • Each power transmission cable 13, as shown in Figures 4 and 5, may be substantially L-shaped, having a pair of substantially straight lengths joined together at a bend.
  • the bend may define an angle of approximately 90°.
  • the angle of the bend may be selected according to the relative heights and angles of the terminals between which each power transmission cable connects.
  • the L-shape has an inner side 31 and an outer side 32.
  • the bend of the L-shape may be of any suitable radius. The radius may be determined by the intended use and location of the power transmission cable 13.
  • the power transmission cable 13 may have a different shape.
  • the power transmission cable 13 may be flat or may have a curved shape.
  • each cable layer 30 may be of a different length so as to enable the shape of the power transmission cable 13 to be formed.
  • the cable layers 30 may increase in length from the inner side 31 to the outer side 32.
  • the bend of the L-shape, or other shape, may be formed into the cable layers 30 by suitable tooling.
  • First ends and second ends of the cable layers 30 may be secured together respectively by means of an electrically conductive cuff 33.
  • the cuff 33 may be metallic.
  • the sets of ends of the cable layers 30 may each be fed through a cylindrical tube, which may then be compressed by clamping, forging, or another suitable deformation method to form the cuffs 33. This may be done from all four sides, which may result in a generally rectangular cuff 33.
  • Two or more fastening means 34 such as screws, may be used to prevent relative movement (such as rotational or translational movement) between the cable layers 30 and the cuffs 33.
  • the cuffs 33 may be suitable for direct connection to the generator 11 and to the terminals 24 of the circuit breaker 23.
  • An insulating sleeve 35 may be provided around the cable layers 30.
  • the insulating sleeve 35 may be moulded or otherwise formed into the shape of the power transmission cable 13.
  • the insulating sleeve 35 may provide rigidity to the shaped power transmission cable 13.
  • the insulating sleeve 35 may be made of a high temperature resistant material, such as high temperature resistant PVC .
  • An example of suitable high temperature resistant PVC is material code C3609 Version 2 from Runfold Plastics Ltd. This material has a maximum service temperature of 110°C and a tensile
  • the insulating material may be heat shrunk PVC.
  • the cable layers 30 may be fed through the sleeve 35 after the sleeve 35 has been moulded.
  • the sleeve 35 may be loosely fit around the cable layers 30.
  • the sleeve 35 may not be attached to the cable layers 30. Alternatively it may be attached to the cuffs 33 at either end of the power transmission cable 13.
  • the sleeve 35 may therefore 'float' on the cable layers 30. This 'floating connection' may allow air to flow between the sleeve 35 and the cable layers 30.
  • a layer of insulating material 36 may be provided at each end of the power transmission cable 13, substantially inwardly adjacent to the cuffs 33.
  • the layers of insulating material 36 may at least partially underlie or overlie the cuffs 33.
  • the layers of insulating material 36 may prevent any of the cable layers 30 from being exposed by the floating
  • the power transmission cable 13 may be manufactured according to one of more methods including various steps.
  • One method includes the steps of superposing in order of increasing length a plurality of electrically conductive cable layers 30 having different lengths, providing each of the first and second ends of the cable layers 30 with a cuff 30 for securing the cable layers 30 together, and forming the cable layers 30 into a substantially L-shape. Those steps may be carried out in that order, or they may be carried out in another order. Similarly, the steps of providing insulating layers 36 and the sleeve 35 may carried out at varying points in the forming process.
  • a terminal box 50 may be mounted externally on the generator 11. The terminal box 50 may house terminals (not shown) for connection of the power transmission cables 13.
  • the terminal box 50 may include a cable configuration section (not shown) .
  • the terminal box 50 may include a current transformer (not shown), which may be electrically mounted to the generator 11.
  • the terminal box 50 may have an opening 51, which may be aligned with the aperture 27 in the back plate 22 of the control tower 12.
  • the opening 51 may be provided with a silicone gasket 52.
  • the silicon gasket 52 may be located within and/or around the opening 51.
  • the current transformer (not shown) may be a three- phase moulded case block current transformer.
  • the current transformer may have internal staggered rectangular wound cores.
  • the current transformer may be purpose designed to fit over the generator 11 terminals away from the braids.
  • the current transformer may have a single connection to feed current measurements back to a control panel.
  • a cable duct 40 may be provided between the generator 11 and the control tower 12, to enclose the power
  • a cable duct 40 may be provided between the opening 51, in the terminal box 50 mounted on the generator 11, and the control tower 12.
  • the cable duct 40 may comprise a generally rectangular tubular portion 41.
  • the tubular portion 41 may have curved corners 42.
  • the tubular portion 41 may have an outwardly extending flange 43 at one end, which may provide a mounting face.
  • the cable duct 40 may be made of any suitable material, for example fabricated steel.
  • the cable duct 40 may be made of plastic, though it should be noted that the use of plastic for such applications is prohibited in certain territories.
  • the shape and size of the cable duct 40 may vary according to the space available on the generator 11 and control tower 12 and also the size and number of power transmission cables 13 to be enclosed. As such, the cable duct 40 may be rectangular, square, triangular, or even irregularly shaped.
  • the tubular portion 41 of the cable duct 40 may be passed through the aperture 27 in the back plate 22 of the control tower 12, such that the tubular portion 41 extends outwardly from the control tower 12 and the flange 43 of the cable duct 40 locates against the inside surface of the back plate 22.
  • the cable duct 40 may be arranged such that the flange 43 locates against the outside face of the control tower such that the tubular portion 41 overlies the aperture 27.
  • the flange 43 may secured to the back plate 22 by any suitable fastening means, such as bolts.
  • the free end 44 of the cable duct 40 may pass through the opening 51 in the terminal box 50 connected to the generator 11.
  • the silicone gasket 52 of the opening 51 in the terminal box 50 may provide an at least partial seal between the terminal box and the cable duct 40.
  • the silicone gasket 52 may be generally annular, so as to define an outer portion by which it may be attached to the terminal box 50 and an inner portion arranged sealingly to receive the free end 44 of the cable duct 40. This 'floating' connection between the cable duct 40 and the terminal box 50 may reduce the vibration transferred from the generator 11 to the circuit breaker 23 in the control tower 12.
  • the curved corners 42 of the cable duct 40 may reduce the wear on the silicone gasket.
  • Industrial Applicability The EPG arrangement described, with its various components, may be used to provide a power generation arrangement that is easily assembled, and may be used when grid power is not available.
  • the control tower 12 may be aligned with the rear face of the generator 11. This may allow for a more direct route for the power transmission cables 13 between the generator 11 and the circuit breaker 23, and therefore shorter power transmission cables 13 and a common length of connections on all phases.
  • the power transmission cables 13 are electrically connected between the electrical terminals (not shown) on the generator 11 and the electrical terminals 24 on the circuit breaker 23.
  • the relative location of the control tower 12, and in particular of the circuit breaker (s) 23 within the control tower 12, with the generator 11 may be determined by the power

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Patch Boards (AREA)

Abstract

La présente invention se rapporte à un câble de transmission d'énergie et à une tour de contrôle destinés à être utilisés avec un agencement de production de courant électrique (EPG pour Electric Power Generation). Le câble de transmission d'énergie (13) comprend au moins une couche de câble électroconductrice (30) qui comporte un coude formé en partie sur sa longueur pour définir une première section et une seconde section. La tour de contrôle (12) comprend un cadre comportant une paire de parois horizontales opposées (20), une paire de parois verticales opposées (21) et une plaque arrière verticale (22) fixée aux parois horizontales (20) et aux parois verticales (21). Des moyens de montage (25) sont situés sur la plaque arrière verticale (22) sur laquelle est monté au moins un disjoncteur (23) qui comporte des bornes électriques (24). Les bornes électriques (24) sont situées à proximité d'une ouverture (27) réalisée dans la plaque arrière verticale (22). Un agencement de production EPG (10) peut comprendre un générateur (11) qui comporte des bornes électriques et une tour de contrôle (12). Les bornes électriques du générateur (11) et le ou les disjoncteurs (23) de la tour de contrôle (12) sont raccordés par des câbles de transmission d'énergie (13).
PCT/GB2013/050245 2013-02-03 2013-02-03 Agencements de production de courant électrique et composants associés Ceased WO2014118488A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380071687.1A CN105027395B (zh) 2013-02-03 2013-02-03 电力生成装置及其部件
PCT/GB2013/050245 WO2014118488A1 (fr) 2013-02-03 2013-02-03 Agencements de production de courant électrique et composants associés

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2013/050245 WO2014118488A1 (fr) 2013-02-03 2013-02-03 Agencements de production de courant électrique et composants associés

Publications (1)

Publication Number Publication Date
WO2014118488A1 true WO2014118488A1 (fr) 2014-08-07

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ID=47716101

Family Applications (1)

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PCT/GB2013/050245 Ceased WO2014118488A1 (fr) 2013-02-03 2013-02-03 Agencements de production de courant électrique et composants associés

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WO (1) WO2014118488A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2884610A1 (fr) * 2013-11-29 2015-06-17 Caterpillar (Ni) Limited Conduit de câble électrique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0729158A1 (fr) * 1995-02-24 1996-08-28 Sumitomo Wiring Systems, Ltd. Fil rayonnant
EP1544981A2 (fr) 2003-12-16 2005-06-22 F.G. Wilson (Engineering) Limited Système de production d'énergie électrique avec dispositif de guidage de câbles rotatif
JP2009283297A (ja) * 2008-05-22 2009-12-03 Toyota Motor Corp 端子台構造

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102545221B (zh) * 2011-04-06 2014-12-03 上海华盾石油工程技术有限公司 用于直流电动钻机的全有源动态谐波抑制及无功补偿系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0729158A1 (fr) * 1995-02-24 1996-08-28 Sumitomo Wiring Systems, Ltd. Fil rayonnant
EP1544981A2 (fr) 2003-12-16 2005-06-22 F.G. Wilson (Engineering) Limited Système de production d'énergie électrique avec dispositif de guidage de câbles rotatif
JP2009283297A (ja) * 2008-05-22 2009-12-03 Toyota Motor Corp 端子台構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2884610A1 (fr) * 2013-11-29 2015-06-17 Caterpillar (Ni) Limited Conduit de câble électrique

Also Published As

Publication number Publication date
CN105027395A (zh) 2015-11-04
CN105027395B (zh) 2018-04-13

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