CN114914835A - Vehicle-mounted movable transformer substation - Google Patents

Vehicle-mounted movable transformer substation Download PDF

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Publication number
CN114914835A
CN114914835A CN202210735649.2A CN202210735649A CN114914835A CN 114914835 A CN114914835 A CN 114914835A CN 202210735649 A CN202210735649 A CN 202210735649A CN 114914835 A CN114914835 A CN 114914835A
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CN
China
Prior art keywords
voltage
transformer
cable
vehicle
gear
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.)
Pending
Application number
CN202210735649.2A
Other languages
Chinese (zh)
Inventor
梁凤山
孙秀菊
牛同省
肖建
曹进
王坤
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.)
Shandong Dachi Electric Co Ltd
Original Assignee
Shandong Dachi Electric Co 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 Shandong Dachi Electric Co Ltd filed Critical Shandong Dachi Electric Co Ltd
Priority to CN202210735649.2A priority Critical patent/CN114914835A/en
Publication of CN114914835A publication Critical patent/CN114914835A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
    • B65H75/42—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles
    • B65H75/425—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles attached to, or forming part of a vehicle, e.g. truck, trailer, vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4481—Arrangements or adaptations for driving the reel or the material
    • B65H75/4486—Electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24—Circuit arrangements for boards or switchyards
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/52—Mobile units, e.g. for work sites
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
    • H02B5/01—Earthing arrangements, e.g. earthing rods
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
    • H02B5/06—Non-enclosed substations; Substations with enclosed and non-enclosed equipment gas-insulated
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
    • H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/12—Monitoring network conditions, e.g. electrical magnitudes or operational status
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/13—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the transmission of data to equipment in the power network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/16—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network the power network being controlled at grid-level, e.g. using aggregators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/18—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the remotely-controlled equipment, e.g. converters or transformers
    • H02J13/34—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the remotely-controlled equipment, e.g. converters or transformers the equipment being switches, relays or circuit breakers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/18—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the remotely-controlled equipment, e.g. converters or transformers
    • H02J13/34—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the remotely-controlled equipment, e.g. converters or transformers the equipment being switches, relays or circuit breakers
    • H02J13/36—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network characterised by the remotely-controlled equipment, e.g. converters or transformers the equipment being switches, relays or circuit breakers specially adapted for protection systems
    • 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
    • B65H2701/34—Handled filamentary material electric cords or electric power cables

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The invention discloses a vehicle-mounted movable transformer substation, which is characterized in that: the system comprises a high-voltage vehicle, wherein a zinc oxide arrester, a high-voltage potential transformer, a high-voltage combined electrical appliance and a transformer which are connected in sequence are installed on the high-voltage vehicle; the high-voltage power supply enters a high-voltage transformer through the protection of a lightning arrester, is regulated by the voltage transformer and then is connected with a high-voltage combined electrical appliance, and then is connected to the high-voltage side of the transformer through the high-voltage combined electrical appliance, and is subjected to voltage reduction through the transformer and then is output. The vehicle-mounted movable transformer substation is suitable for various occasions, and can relieve the shortage of power supply capacity and shorten the time for power failure maintenance and transformation of the transformer substation; the temporary power utilization and reserve capacity can be rapidly provided for large-scale activities and projects; the average power failure time is reduced and the power supply reliability is improved. The modular structure is adopted, and the integrated type multifunctional combined robot has the characteristics of high integration level, compact structure, complete functions, reliable performance, small occupied area, convenience in movement, flexibility in operation, simplicity in assembly, quickness in construction and installation and the like.

Description

Vehicle-mounted movable transformer substation
Technical Field
The invention relates to the field of transformer substations, in particular to a vehicle-mounted movable transformer substation.
Background
With the development of national economy, the demand of power supply is further expanded, the requirement on the power supply reliability of a transformer substation is higher and higher, and how to ensure uninterrupted power supply and shorten the power failure time is a significant topic under the conditions of natural disasters, transformation of the transformer substation, periodic load peaks and the like.
Disclosure of Invention
The invention provides the vehicle-mounted movable substation which is low in cost, convenient to use and capable of solving the problem of sudden power anytime and anywhere, so as to make up the defects of the prior art.
The technical scheme of the invention is as follows:
the utility model provides a vehicle-mounted movable substation, characterized by: the system comprises a high-voltage vehicle, wherein a zinc oxide arrester, a high-voltage potential transformer, a high-voltage combined electrical appliance and a transformer which are connected in sequence are installed on the high-voltage vehicle; the high-voltage power supply enters a high-voltage transformer through the protection of a lightning arrester, is regulated by the voltage transformer and then is connected with a high-voltage combined electrical appliance, and then is connected to the high-voltage side of the transformer through the high-voltage combined electrical appliance, and is subjected to voltage reduction through the transformer and then is output.
The vehicle-mounted mobile substation also comprises a power distribution vehicle, wherein a cable winding machine and a power distribution cabinet are arranged on the power distribution vehicle, and an alternating current and direct current integrated power supply device is arranged in the power distribution cabinet; the high-voltage vehicle is connected with the distribution vehicle through a primary cable and a secondary cable; the cable winder is used for winding a cable; the power distribution cabinet is provided with an air conditioner for radiating heat of the AC/DC integrated power supply device; after the voltage of the transformer is reduced, the low-voltage side is connected with a power distribution cabinet on a power distribution vehicle through a cable, and finally, the low-voltage side is connected into a computer system through an optical fiber signal to carry out automatic operation.
The transformer comprises an iron core, and a low-voltage coil and a high-voltage coil which are sleeved on the iron core from inside to outside and are arranged in a transformer oil tank; a low-voltage sleeve is mounted at the upper part of the outer side of the oil tank through a support, and a low-voltage lead in the low-voltage sleeve is connected with a low-voltage coil; the bottom of one side outside the oil tank is provided with a high-voltage bushing which inclines upwards, and a high-voltage lead in the high-voltage bushing is connected with a high-voltage coil; the bottom of the other side outside the oil tank is provided with a high-voltage neutral point sleeve which inclines upwards; the high-voltage bushing and the high-voltage neutral point bushing are fixedly connected with a transformer oil tank through a pull rod and a bolt respectively; the iron core is made by laminating and fixing silicon steel sheets; the transformer oil tank and the conservator are filled with vegetable insulating oil for insulation and heat dissipation.
The cable winder comprises a bracket, wherein a speed reducing motor and a winding sheave are arranged on the bracket; a first gear is mounted on an output shaft of the speed reducing motor, a second gear is mounted on a wheel shaft of the winding sheave, the first gear is meshed with the second gear, two ends of the wheel shaft of the winding sheave are mounted on the support through bearings, and the winding sheave is driven by the speed reducing motor to rotate to wind a cable; the baffle plates at the two ends of the winding grooved wheel are respectively provided with a clamp which is used for clamping the initial end of the cable before winding and clamping the tail end of the cable after winding.
The cable winder also comprises a cable free end reciprocating motion device, wherein the cable free end reciprocating motion device comprises an upper horizontal rack and a lower horizontal rack, the racks are parallel to a wheel shaft of the winding sheave, two ends of the two racks are connected together through arc-shaped connecting rods, linear guide rails are respectively fixed on the outer sides of the two arc-shaped connecting rods, a slide hole for the guide rails to slide is arranged on the rack, and the guide rails are inserted into the slide hole; a semicircular gear is clamped between the two racks, the semicircular gear is circular, the half circumference of the outer circumferential surface is provided with teeth, and the half circumference is a toothless smooth surface; the semicircular gear is meshed with the upper rack and the lower rack alternately, so that the racks move left and right;
a guide frame is fixed on the upper rack or the lower rack, a pair of guide wheels are installed on the guide frame, guide grooves are formed in the guide wheels, and a cable is clamped by the guide grooves between the two guide wheels so as to guide the cable input; the rack drives the guide wheel and the cable to move left and right, so that the cable is uniformly wound in the length range of the winding grooved wheel;
a driven bevel gear is fixed on a wheel shaft of the semicircular gear, the driven bevel gear is meshed with the driving bevel gear, a third gear is installed on a wheel shaft of the driving bevel gear, and the third gear is meshed with the first gear and driven by a speed reduction motor; the wheel shafts of the gears are arranged on the frame through bearings.
In the cable winder, in a cable free end reciprocating device, a guide rail and a sliding hole are in a rectangular shape, a triangular shape or a trapezoidal shape corresponding to each other; a wear-resistant and mute nylon sleeve is arranged in the sliding hole.
The high-voltage combined electrical apparatus, namely high-voltage switchgear, including circuit breaker operating device, horizontal circuit breaker connected each other, the upside of the horizontal circuit breaker connects first three-station combination switch and second three-station combination switch separately, the first three-station combination switch connects current transformer and earthing switch; the top parts of the first three-station combined switch and the second three-station combined switch are respectively provided with an incoming and outgoing line sleeve; the circuit breaker operating mechanism is connected with the HGIS control box.
The zinc oxide lightning arrester comprises a lightning arrester base and a zinc oxide lightning arrester body which are mutually connected, wherein a counter and a grounding terminal are arranged on the lightning arrester base; the zinc oxide lightning arrester body comprises a porcelain sleeve and a zinc oxide valve block group arranged in the porcelain sleeve, wherein the outer side of the zinc oxide valve block group is wrapped with an insulating sleeve, and the insulating sleeve is attached to the inner side of the porcelain sleeve; the upper end of the zinc oxide valve plate group is connected with a wiring terminal, and the lower end of the zinc oxide valve plate group is connected with a counter and a grounding terminal; a flange cover plate is arranged at the upper end of the ceramic sleeve, the wiring terminal penetrates through the flange cover plate, the lower end of the ceramic sleeve is fixedly connected with the upper end of the lightning arrester base through a flange plate, and the grounding terminal penetrates out of the flange plate; the data transmission assembly is fixed inside the lightning arrester base and connected with the counter and used for transmitting working signals of the lightning arrester to the computer system.
The high-voltage transformer comprises a base, an electromagnetic device and a capacitor which are connected in sequence, wherein a grounding terminal and a wire outlet box are installed on the base.
An oil conservator is arranged at the upper part of the outer side of the transformer oil tank and used for supplementing insulating oil to the oil tank; the side surface of the outer part of the transformer oil tank is provided with a radiating fin group, the radiating fin group is connected with the transformer oil tank through a pipeline, and the bottom of the radiating fin group of the transformer is provided with a radiating fan; the maintenance cat ladder is installed to the transformer tank outside.
The invention has the beneficial effects that:
1. the vehicle-mounted movable transformer substation is compact in structure and small in occupied area, the transformer of main equipment of the transformer substation is optimally arranged, the high-voltage sleeve is led out from the lower part of the transformer, the end part of the radiating fin is arranged, and the oil conservator is of an oval structure, so that the occupied space of the transformer substation is greatly reduced.
2. This on-vehicle portable transformer substation, flexible flexibility is good, carries on the transformer substation on removing the flatbed, realizes that equipment and the high integrated integration of automobile body arrange, as long as there is the needs, can arrive the scene fast, simply connect and the debugging can come into operation, has saved a large amount of manpower, materials and financial resources.
3. The vehicle-mounted mobile substation is high in safety and reliability. The transformer of the main equipment adopts a new technology to analyze the processes of an electric field, a magnetic field, a temperature field and shock waves of the transformer and determine the optimal structural form. The iron core of the transformer selects the high-performance silicon steel sheet, the equipment is reliably connected with the trailer through the bolts, and reliable shockproof measures are adopted, so that the safety and reliability of the transformer substation in the transformer are guaranteed.
4. The high-voltage combined electrical apparatus is a comprehensive open type high-voltage switch device, integrates a circuit breaker, a grounding switch, a sleeve, a current transformer and the like into a module, and has the advantages of compact structure, small occupied area, simple and convenient installation and debugging and no maintenance.
5. The vehicle-mounted mobile substation is high in intelligence, realizes reliable and perfect monitoring and control of the mobile substation by adopting a computer monitoring system, has the functions of remote measurement, remote signaling, remote regulation, remote control and the like, and has the capability of exchanging information with a dispatching communication center.
6. This on-vehicle portable transformer substation, environmental protection more chooses vegetable insulating oil for use, and the flash point is up to 360 ℃, promotes safe fire behavior greatly, and insulating oil is renewable resources, and the environmental protection reaches good social.
7. The vehicle-mounted mobile substation is suitable for various occasions, can bring huge economic benefits and social benefits, relieves the shortage of power supply capacity, and shortens the time for power failure maintenance and transformation of the substation; the temporary power utilization and reserve capacity can be rapidly provided for large-scale activities and projects; the average power failure time is reduced and the power supply reliability is improved. The modular structure is adopted, and the integrated type multifunctional combined robot has the characteristics of high integration level, compact structure, complete functions, reliable performance, small occupied area, convenience in movement, flexibility in operation, simplicity in assembly, quickness in construction and installation and the like.
Drawings
The attached drawing is a structural schematic diagram of the invention.
Fig. 1 is a high-voltage vehicle, fig. 2 is a distribution vehicle, fig. 3 is a front view of a transformer, fig. 4 is a right side view of the transformer, fig. 5 is a high-voltage combined electrical appliance, fig. 6 is a high-voltage transformer, fig. 7 is a partial dissection view of a lightning arrester, fig. 8 and fig. 9 are an appearance view and a transmission relation view of a cable winder in sequence, fig. 10 is a front view of an oil conservator, and fig. 11 is a front view of a high-voltage bushing and a lead wire raising seat.
In the figure, a lightning arrester 1, a voltage transformer 2, a high-voltage combined electrical apparatus 3, a transformer 4, a flat car 5, a cable winder 6, a power distribution cabinet 7, an air conditioner 8 and an oil conservator 9.
In the lightning arrester 1, a lightning arrester base 101, a counter 102, a porcelain bushing 103, a grounding terminal 104, a flange plate 105, a wiring terminal 106, a flange cover plate 107, an insulating sleeve 108 and a zinc oxide valve plate group 109 are wrapped on the outer side of the zinc oxide valve plate group.
In the voltage transformer 2, a base 201, a ground terminal 202, an outlet box 203, an electromagnetic device 204, and a capacitor 205.
In the high-voltage combined electrical apparatus 3, a circuit breaker operating mechanism 301, a horizontal circuit breaker 302, an inlet and outlet bushing 303, a current transformer 304, a grounding switch 305, a first three-position combined switch 306, a second three-position combined switch 307, and an HGIS control box 308.
In the transformer 4, 401 high-voltage bushings, 403 radiating fin groups, 404 radiating fans, 405 high-voltage neutral point bushings, 406 low-voltage bushings, 407 transformer oil tanks, 408 pull rods and an overhauling ladder 413. A lead lifting seat 409, a supporting seat 410, a wooden clamp 411 and a high-voltage lead 412.
In the cable winder 6, a bracket 601, a speed reducing motor 602 and a winding sheave 603; the device comprises a first gear 604, a second gear 605, a baffle 606, a clamp 607, a rack 608, a circular arc connecting rod 609, a guide rail 610, a sliding hole 611, a semicircular gear 612, a guide frame 613, a guide wheel 614, a driven bevel gear 615, a driving bevel gear 616, a third gear 617 and a bearing seat 618.
In the conservator 9, a capsule bag 901, a central pipe joint 902, a breathing pipe 903 and an exhaust pipe 904 are arranged; an operating hand hole 905, an oil level gauge 906; and a main pipe joint 907 connected with the bottom plate 908 and the valve 909.
Detailed Description
The attached drawing is an embodiment of the invention.
The vehicle-mounted movable substation comprises a high-voltage vehicle, wherein a zinc oxide lightning arrester 1, a high-voltage potential transformer 2, a high-voltage combined electrical apparatus 3 and a transformer 4 which are connected in sequence are installed on the high-voltage vehicle; the high-voltage power supply enters a high-voltage transformer through the protection of a lightning arrester, is regulated by the voltage transformer and then is connected with a high-voltage combined electrical appliance, and then is connected to the high-voltage side of the transformer through the high-voltage combined electrical appliance, and is subjected to voltage reduction through the transformer and then is output.
The vehicle-mounted mobile substation also comprises a power distribution vehicle, wherein a cable winder 6 and a power distribution cabinet 7 are installed on the power distribution vehicle, and an alternating current and direct current integrated power supply device is installed in the power distribution cabinet; the high-voltage vehicle is connected with equipment of the power distribution vehicle through a cable; the cable winder is used for winding a cable; the power distribution cabinet is provided with an air conditioner 8 for radiating heat of the AC/DC integrated power supply device; after the voltage of the transformer is reduced, the low-voltage side is connected with a power distribution cabinet on the power distribution vehicle through a cable to perform power supply operation.
The transformer 4 comprises an iron core, and a low-voltage coil and a high-voltage coil which are sleeved on the iron core from inside to outside and are arranged in a transformer oil tank 407; the upper part of the outer side of the oil tank is provided with a low-voltage sleeve 406 through a bracket, and a low-voltage lead in the low-voltage sleeve is connected with a low-voltage coil; the bottom of one side outside the oil tank is provided with an upward inclined high-voltage bushing 401, and a high-voltage lead in the high-voltage bushing is connected with a high-voltage coil; the bottom of the other side outside the oil tank is provided with a high-voltage neutral point sleeve 405 which inclines upwards; the high-voltage bushing and the high-voltage neutral point bushing are fixedly connected with a transformer oil tank through a pull rod 408 and a bolt respectively; the iron core is made by laminating and fixing silicon steel sheets; the transformer oil tank and the conservator are filled with vegetable insulating oil for insulation and heat dissipation.
The cable winder 6 comprises a bracket 601, wherein a speed reducing motor 602 and a winding sheave 603 are arranged on the bracket; a first gear 604 is arranged on an output shaft of the speed reducing motor, a second gear 605 is arranged on a wheel shaft of the winding sheave, the first gear is meshed with the second gear, two ends of the wheel shaft of the winding sheave are arranged on the bracket through bearings, and the winding sheave is driven by the speed reducing motor to rotate to wind a cable; the baffles 606 at the two ends of the winding sheave are respectively provided with a clamp 607 for clamping the start end of the cable before winding and the tail end of the cable after winding.
The cable winder 6 also comprises a cable free end reciprocating motion device which comprises an upper horizontal rack 608 and a lower horizontal rack 608, wherein the racks are parallel to the wheel shaft of the winding sheave, two ends of the two racks are connected together through an arc connecting rod 609, linear guide rails 610 are respectively fixed on the outer sides of the two arc connecting rods, a slide hole 611 for the guide rails to slide is installed on the rack, and the guide rails are inserted into the slide holes; a semicircular gear 612 is clamped between the two racks, the semicircular gear is circular, half of the circumference of the outer circumferential surface is provided with teeth, and the half of the circumference is a smooth surface without teeth; the semicircular gear is alternatively meshed with the upper rack and the lower rack, so that the racks move left and right;
a guide frame 613 is fixed on the upper rack or the lower rack, a pair of guide wheels 614 are arranged on the guide frame, guide grooves are formed in the guide wheels, and the guide grooves between the two guide wheels clamp the cable so as to guide the cable input; the rack 608 drives the guide wheel and the cable to move left and right, so that the cable is uniformly wound in the length range of the winding sheave;
a driven bevel gear 615 is fixed on the wheel shaft of the semicircular gear, the driven bevel gear is meshed with the driving bevel gear 616, a third gear 617 is installed on the wheel shaft of the driving bevel gear, and the third gear is meshed with the first gear and driven by a speed reduction motor; the wheel shafts of the gears are arranged on the frame through bearings.
In the cable winder 6, in the cable free end reciprocating device, the cross section of the guide rail 610 and the slide hole 611 adopt mutually corresponding rectangles, triangles or trapezoids; a wear-resistant and mute nylon sleeve is arranged in the sliding hole.
The high-voltage combined electrical apparatus 3, namely the high-voltage switch device, includes the breaker operating mechanism 301, horizontal circuit breaker 302 connected each other, the upside of the horizontal circuit breaker connects first three-position combined switch 306 and second three-position combined switch 307 separately, the first three-position combined switch connects current transformer 304 and earthing switch 305; the top parts of the first three-station combined switch and the second three-station combined switch are respectively provided with an inlet and outlet wire sleeve 303; the circuit breaker operating mechanism is connected to the HGIS bus box 308.
The zinc oxide arrester 1 comprises an arrester base 101 and a zinc oxide arrester body which are connected with each other, wherein a counter 102 and a grounding terminal 104 are arranged on the arrester base; the zinc oxide lightning arrester body comprises a porcelain sleeve 103 and a zinc oxide valve plate group 109 arranged in the porcelain sleeve, wherein the outer side of the zinc oxide valve plate group is wrapped by an insulating sleeve 108 which is attached to the inner side of the porcelain sleeve; the upper end of the zinc oxide valve plate group is connected with a wiring terminal 106, and the lower end of the zinc oxide valve plate group is connected with a counter and a grounding terminal; a flange cover plate 107 is mounted at the upper end of the ceramic sleeve, the wiring terminal penetrates through the flange cover plate, the lower end of the ceramic sleeve is fixedly connected with the upper end of the lightning arrester base through a flange plate 105 and a bolt, and the grounding terminal penetrates out of the flange plate; the data transmission assembly is fixed inside the lightning arrester base and connected with the counter and used for transmitting working signals of the lightning arrester to the computer system.
The high-voltage potential transformer 2 comprises a base 201, an electromagnetic device 204 and a capacitor 205 which are connected in sequence, wherein the base is provided with a grounding terminal 202 and an outlet box 203, and the electromagnetic device, the capacitor, the grounding terminal and the outlet box are electrically connected with each other.
The upper part of the outer side of the transformer oil tank is provided with an oil conservator 9 which is used for supplementing insulating oil to the oil tank; the side surface of the outer part of the transformer oil tank is provided with a radiating fin group 403, the radiating fin group is connected with the transformer oil tank through a pipeline, and the bottom of the radiating fin group of the transformer is provided with a radiating fan 404; and an overhauling crawling ladder 413 is arranged on the outer side of the transformer oil tank.
The conservator 9 is oval, a capsule bag 901 is arranged in the cabinet body, the capsule bag is connected with a breathing tube 903 outside the cabinet body through a central pipe joint 902 at the upper part of the cabinet body, and the breathing tube is connected with an exhaust pipe 904 on the cabinet body through a valve 909; an operating hand hole 905 is formed in one end of the cabinet body, and a cover plate is installed on the operating hand hole; an oil level meter 906 is installed at the other end of the cabinet body; a main pipe joint 907 is arranged at the lower part of the cabinet body and is connected with a transformer oil tank through an oil tank main oil pipe; the lower part of the conservator is fixed on the transformer oil tank through a connecting bottom plate 908 and bolts.
A low-voltage lead is led out from the upper part of the transformer oil tank by a low-voltage sleeve 406, and a high-voltage lead is led out from the lower part of the transformer oil tank by a high-voltage sleeve 401; the high-voltage bushing is mounted on the lead lifting seat 409 through a bolt, the lead lifting seat with the corner is mounted at the lower part of the right side of the transformer box body, and the high-voltage lead passes through the inside of the lead lifting seat and then is led out through the high-voltage bushing; the lead elevating seat is internally welded with a supporting seat 410, a wood clamp 411 is installed on the supporting seat through a bolt, and a high-voltage lead 412 is firmly clamped and fixed at the center of the lead elevating seat through the wood clamp. The high voltage neutral bushing 405 is bolted to a lead riser 409 mounted at the lower left side of the transformer tank with a angled lead riser.
Each equipment on high-voltage bus and the distribution bus is installed on flatbed trailer 5, and the tractor is connected to the flatbed trailer, drives the locomotive promptly.
When the counter of the zinc oxide arrester works, the number of times of the zinc oxide arrester body during working can be counted, and the zinc oxide arrester body is remotely sent to the management background computer system through the data transmission assembly.
The invention discloses a vehicle-mounted movable substation, which is formed by integrating a zinc oxide arrester, a high-voltage potential transformer, a high-voltage switch (namely, a HGIS combined electrical appliance), a power transformer, a medium-voltage switch cabinet, an AC/DC integrated power supply system, a measuring device, a monitoring device, a protecting device, a cable winding machine and the like on two semitrailers. The two workshops are connected by a primary cable and a secondary cable, and the modular structure design is adopted. The working principle of the vehicle-mounted mobile transformer is as follows: the high-voltage power supply is protected by the lightning arrester, enters the high-voltage potential transformer, is connected with the high-voltage combined electrical apparatus after being adjusted by the potential transformer, is connected with the high-voltage side of the transformer by the high-voltage combined electrical apparatus, is subjected to voltage reduction by the transformer, is connected with the distribution vehicle by a cable after being subjected to voltage reduction, is connected with various power distribution cabinets, and is connected into a computer system by an optical fiber signal to carry out automatic operation.
The novel mobile substation has highly integrated, digital and informationized substations, and is a palace solution with low cost, high benefit and intelligence. By adopting the modular structure design of new equipment, new materials and new technologies, the novel mobile substation can more effectively solve the power supply problem caused by natural disasters or human factors of irregularity of various power demand changes, and accords with the development trend of new-generation intelligent substations.

Claims (10)

1. The utility model provides a vehicle-mounted movable substation, characterized by: the system comprises a high-voltage vehicle, wherein a zinc oxide lightning arrester (1), a high-voltage potential transformer (2), a high-voltage combined electrical appliance (3) and a transformer (4) which are connected in sequence are installed on the high-voltage vehicle; the high-voltage power supply enters a high-voltage transformer through the protection of a lightning arrester, is regulated by the voltage transformer and then is connected with a high-voltage combined electrical appliance, and then is connected to the high-voltage side of the transformer through the high-voltage combined electrical appliance, and is subjected to voltage reduction through the transformer and then is output.
2. A vehicle-mounted mobile substation according to claim 1, characterized in that: the distribution system is characterized by also comprising a distribution vehicle, wherein the distribution vehicle is provided with a cable winder (6) and a power distribution cabinet (7), and an alternating current and direct current integrated power supply device is arranged in the power distribution cabinet; the high-voltage vehicle is connected with equipment of the power distribution vehicle through a cable; the cable winder is used for winding a cable; the power distribution cabinet is provided with an air conditioner (8) for radiating heat of the AC/DC integrated power supply device; after the voltage of the transformer is reduced, the low-voltage side is connected with a power distribution cabinet on the power distribution vehicle through a cable to perform power supply operation.
3. A mobile on-board substation according to claim 1 or 2, characterized in that: the transformer (4) comprises an iron core, and a low-voltage coil and a high-voltage coil which are sleeved on the iron core from inside to outside and are arranged in a transformer oil tank (407); a low-voltage sleeve (406) is mounted at the upper part of the outer side of the oil tank through a bracket, and a low-voltage lead in the low-voltage sleeve is connected with a low-voltage coil; the bottom of one side of the outer part of the oil tank is provided with a high-voltage bushing (401) which inclines upwards, and a high-voltage lead in the high-voltage bushing is connected with a high-voltage coil; the bottom of the other side outside the oil tank is provided with an upward inclined high-voltage neutral point sleeve (405); the high-voltage bushing and the high-voltage neutral point bushing are fixedly connected with a transformer oil tank through a pull rod (408) and a bolt respectively; the iron core is made by laminating and fixing silicon steel sheets; the transformer oil tank and the conservator are filled with vegetable insulating oil for insulation and heat dissipation.
4. A mobile on-board substation according to claim 1 or 2, characterized in that: the cable winder (6) comprises a bracket (601), wherein a speed reducing motor (602) and a winding sheave (603) are mounted on the bracket; a first gear (604) is installed on an output shaft of the speed reducing motor, a second gear (605) is installed on a wheel shaft of the winding sheave, the first gear is meshed with the second gear, two ends of the wheel shaft of the winding sheave are installed on the support through bearings, and the winding sheave is driven by the speed reducing motor to rotate to wind a cable; the baffle plates (606) at the two ends of the winding grooved wheel are respectively provided with a clamp (607) for clamping the initial end of the cable before winding and clamping the tail end of the cable after winding.
5. A vehicle-mounted mobile substation according to claim 4, characterized in that: the cable winder (6) also comprises a cable free end reciprocating motion device which comprises an upper horizontal rack (608) and a lower horizontal rack (608), wherein the racks are parallel to the wheel shaft of the winding sheave, two ends of the two racks are connected together through a circular arc connecting rod (609), linear guide rails (610) are respectively fixed on the outer sides of the two circular arc connecting rods, a slide hole (611) for the guide rails to slide is installed on the rack, and the guide rails are inserted into the slide holes; a semicircular gear (612) is clamped between the two racks, the semicircular gear is circular, the half circumference of the outer circumferential surface is provided with teeth, and the half circumference is a smooth surface without teeth; the semicircular gear is alternatively meshed with the upper rack and the lower rack, so that the racks move left and right;
a guide frame (613) is fixed on the upper rack or the lower rack, a pair of guide wheels (614) are arranged on the guide frame, guide grooves are formed in the guide wheels, and the guide grooves between the two guide wheels clamp the cable so as to guide the cable input; the rack (608) drives the guide wheel and the cable to move left and right, so that the cable is uniformly wound in the length range of the winding sheave;
a driven bevel gear (615) is fixed on a wheel shaft of the semicircular gear, the driven bevel gear is meshed with a driving bevel gear (616), a third gear (617) is installed on a wheel shaft of the driving bevel gear, and the third gear is meshed with the first gear and is driven by a speed reduction motor; the wheel shafts of the gears are arranged on the frame through bearings.
6. A vehicle-mounted mobile substation according to claim 5, characterized in that: in a cable winder (6), in a cable free end reciprocating device, the cross section of a guide rail (610) and a sliding hole (611) adopt a mutually corresponding rectangle, triangle or trapezoid; a wear-resistant and mute nylon sleeve is arranged in the sliding hole.
7. A mobile on-board substation according to claim 1 or 2, characterized in that: the high-voltage combined electrical apparatus (3), namely high-voltage switch equipment, comprises a circuit breaker operating mechanism (301) and a horizontal circuit breaker (302) which are connected with each other, wherein the upper side of the horizontal circuit breaker is respectively connected with a first three-position combined switch (306) and a second three-position combined switch (307), and the first three-position combined switch is connected with a current transformer (304) and a grounding switch (305); the top parts of the first three-station combined switch and the second three-station combined switch are respectively provided with an inlet and outlet wire sleeve (303); the circuit breaker operating mechanism is connected with an HGIS control box (308).
8. A mobile on-board substation according to claim 1 or 2, characterized in that: the zinc oxide lightning arrester (1) comprises a lightning arrester base (101) and a zinc oxide lightning arrester body which are connected with each other, wherein a counter (102) and a grounding terminal (104) are installed on the lightning arrester base; the zinc oxide lightning arrester body comprises a porcelain sleeve (103) and a zinc oxide valve plate group (109) arranged in the porcelain sleeve, wherein the outer side of the zinc oxide valve plate group is wrapped with an insulating sleeve (108), and the insulating sleeve is attached to the inner side of the porcelain sleeve; the upper end of the zinc oxide valve plate group is connected with a wiring terminal (106), and the lower end of the zinc oxide valve plate group is connected with a counter and a grounding terminal; a flange cover plate (107) is mounted at the upper end of the ceramic sleeve, the wiring terminal penetrates through the flange cover plate, the lower end of the ceramic sleeve is fixedly connected with the upper end of the lightning arrester base through a flange plate (105) and a bolt, and the grounding terminal penetrates out of the flange plate; the data transmission assembly is fixed inside the lightning arrester base and connected with the counter and used for transmitting working signals of the lightning arrester to the computer system.
9. A mobile on-board substation according to claim 1 or 2, characterized in that: the high-voltage transformer (2) comprises a base (201), an electromagnetic device (204) and a capacitor (205) which are sequentially connected, wherein a grounding terminal (202) and an outlet box (203) are installed on the base, and the electromagnetic device, the capacitor, the grounding terminal and the outlet box are mutually and electrically connected.
10. A vehicle-mounted mobile substation according to claim 3 or 4, characterized in that: an oil conservator (9) is arranged at the upper part of the outer side of the transformer oil tank and used for supplementing insulating oil to the oil tank; the side surface of the outer part of the transformer oil tank is provided with a radiating fin group (403), the radiating fin group is connected with the transformer oil tank through a pipeline, and the bottom of the radiating fin group of the transformer is provided with a radiating fan (404); an overhaul crawling ladder (413) is installed on the outer side of the transformer oil tank.
CN202210735649.2A 2022-06-27 2022-06-27 Vehicle-mounted movable transformer substation Pending CN114914835A (en)

Priority Applications (1)

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CN202210735649.2A CN114914835A (en) 2022-06-27 2022-06-27 Vehicle-mounted movable transformer substation

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Application Number Priority Date Filing Date Title
CN202210735649.2A CN114914835A (en) 2022-06-27 2022-06-27 Vehicle-mounted movable transformer substation

Publications (1)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202258608U (en) * 2011-09-07 2012-05-30 山东省垦利县新型电力器材厂 Combined type compound jacket zinc oxide arrester
CN203813281U (en) * 2014-02-24 2014-09-03 大连电力勘察设计院有限公司 A mobile transformer substation
CN206099127U (en) * 2016-07-04 2017-04-12 国家电网公司 110kV vehicle -mounted movable type transformer substation
US20170309398A1 (en) * 2014-09-22 2017-10-26 Beijing Ruiheng Xinyuan Investment Co., Ltd Combined electric appliance with multi-capacitive screen insulation core
CN107500027A (en) * 2017-07-20 2017-12-22 盐城千之诺机械有限公司 A kind of uniform coiler device of chemical-fibres filaments
WO2021017409A1 (en) * 2019-08-01 2021-02-04 河南平高电气股份有限公司 Mobile substation
CN213815694U (en) * 2020-12-15 2021-07-27 西安苏熔电器有限公司 Fixed outer gap zinc oxide arrester convenient to count
CN213877775U (en) * 2019-01-17 2021-08-03 青岛卡奥电力设备有限公司 A fireproof and environmentally friendly oil-immersed distribution transformer
CN216818048U (en) * 2022-03-17 2022-06-24 山东达驰电气有限公司 A vehicle-mounted mobile transformer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202258608U (en) * 2011-09-07 2012-05-30 山东省垦利县新型电力器材厂 Combined type compound jacket zinc oxide arrester
CN203813281U (en) * 2014-02-24 2014-09-03 大连电力勘察设计院有限公司 A mobile transformer substation
US20170309398A1 (en) * 2014-09-22 2017-10-26 Beijing Ruiheng Xinyuan Investment Co., Ltd Combined electric appliance with multi-capacitive screen insulation core
CN206099127U (en) * 2016-07-04 2017-04-12 国家电网公司 110kV vehicle -mounted movable type transformer substation
CN107500027A (en) * 2017-07-20 2017-12-22 盐城千之诺机械有限公司 A kind of uniform coiler device of chemical-fibres filaments
CN213877775U (en) * 2019-01-17 2021-08-03 青岛卡奥电力设备有限公司 A fireproof and environmentally friendly oil-immersed distribution transformer
WO2021017409A1 (en) * 2019-08-01 2021-02-04 河南平高电气股份有限公司 Mobile substation
CN213815694U (en) * 2020-12-15 2021-07-27 西安苏熔电器有限公司 Fixed outer gap zinc oxide arrester convenient to count
CN216818048U (en) * 2022-03-17 2022-06-24 山东达驰电气有限公司 A vehicle-mounted mobile transformer

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Application publication date: 20220816