CN205791750U - The box switching station of 24kV Intelligent photovoltaic - Google Patents

The box switching station of 24kV Intelligent photovoltaic Download PDF

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Publication number
CN205791750U
CN205791750U CN201620526507.5U CN201620526507U CN205791750U CN 205791750 U CN205791750 U CN 205791750U CN 201620526507 U CN201620526507 U CN 201620526507U CN 205791750 U CN205791750 U CN 205791750U
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CN
China
Prior art keywords
switching station
ftu
box
intelligent photovoltaic
dtu
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Active
Application number
CN201620526507.5U
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Chinese (zh)
Inventor
钮晓东
张峰
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HUADIAN RUITONG POWER ENGINEERING Corp
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HUADIAN RUITONG POWER ENGINEERING Corp
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Priority to CN201620526507.5U priority Critical patent/CN205791750U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Abstract

This utility model provides a kind of box switching station of 24kV Intelligent photovoltaic, including: switching station outer case and the solar energy photovoltaic panel being arranged on switching station outer case top;Switching station outer case is internally installed solar charging/discharging controller, accumulator, switching station supply unit, switching station Switch main body, FTU and DTU;Solar charging/discharging controller is connected with solar energy photovoltaic panel, accumulator, switching station supply unit respectively, and switching station supply unit is connected with switching station Switch main body, FTU, DTU respectively, and switching station Switch main body is connected with FTU, FTU with DTU is connected.The above-mentioned box switching station of 24kV Intelligent photovoltaic is charged a battery by solar energy, then it is powered to switching station electrically operated institution, FTU, DTU by accumulator, can realize box switching station carry out electric operating and intelligent run time need not voltage transformer pt and can complete whole powered operation task, use new energy, reduce potential safety hazard, decrease electricity loss.

Description

The box switching station of 24kV Intelligent photovoltaic
Technical field
This utility model relates to technical field of electric equipment, particularly relates to a kind of 24kV Intelligent photovoltaic Box switching station.
Background technology
At present, traditional box switching station is by being equipped with voltage transformer (potential Transformer, is called for short PT) as the power supply of switching station, often go out in running The PT now caused due to power network fluctuation explodes, burns produced internal fault splash to switch Equipment, circuit, the person cause great potential safety hazard.And traditional box switching station lacks intelligence Energy system, operational management is relatively costly, records the shortcoming such as time length, big, the shortage of data of error.
In consideration of it, how to reduce the potential safety hazard of box switching station, improve intelligent and channel radio Menstruation is put down, and reducing electricity loss becomes to be presently required and solve the technical problem that.
Utility model content
This utility model provides a kind of box switching station of 24kV Intelligent photovoltaic, is given by solar energy and stores Battery charges, and is then powered to switching station electrically operated institution, FTU, DTU by accumulator, Box switching station can be realized and need not mutual induction of voltage when carrying out electric operating and intelligent operation Device PT can complete whole powered operation task, uses new energy, reduces potential safety hazard, Decrease electricity loss, and realize distribution automation by FTU, DTU, intelligent in raising And radio communication level.
This utility model provides a kind of box switching station of 24kV Intelligent photovoltaic, including: outside switching station Casing and be arranged on the solar energy that described switching station outer case top is fixed by mounting bracket Photovoltaic panel;
Described switching station outer case internally installed have solar charging/discharging controller, accumulator, Switching station supply unit, switching station Switch main body, Feeder Terminal Unit FTU and switching station terminal Equipment DTU;
Described solar charging/discharging controller respectively with described solar energy photovoltaic panel, described accumulator, Described switching station supply unit connects, and described switching station supply unit is opened with described switching station respectively Close body, described FTU, described DTU connect, described switching station Switch main body and described FTU Connecting, described FTU is connected with described DTU.
Alternatively, the described box switching station of 24kV Intelligent photovoltaic is arranged on 24kV ground power distribution network In system, lay with buried cable carry out install cabling be connected.
Alternatively, described switching station Switch main body, including: on-load switch, Current Transmit, Chopper, secondary small chamber and cable vault.
Alternatively, described current transformer uses the casting of epoxy resin integral vacuum;
And/or,
Have inside described cable vault line cable, cable installation accessory, for measuring and protecting Current transformer and the cable mount of cable duct isolation;
And/or,
Described on-load switch and chopper all reserve remote control, remote measurement, remote signalling interface.
Alternatively, described switching station Switch main body, also include: display device for short circuit.
Alternatively, described cable vault has been internally integrated Temperature Humidity Sensor and heater.
Alternatively, described FTU with digital signal processor DSP as core, integrated circuit bag Include: circuit breaker control circuit, analog quantity acquisition circuit, digital quantity acquiring circuit, communication interface Circuit, wireless data interface circuit;
And/or,
Described DTU is integrated with RS-232 communication interface, RS485 communication interface and Ethernet Communication interface.
Alternatively, described switching station Switch main body and described FTU use air plug cable to be attached, Described FTU and described DTU uses air plug cable to be communicatively coupled.
Alternatively, described FTU is configured with 24 core aviations and patches socket, and described switching station switchs Body is configured with automation interface.
Alternatively, the material of the shell of described switching station outer case, including: rustless steel or glass Glass fibre reinforced cement GRC or aluminizing zine plate add batten;
And/or,
Described switching station outer case takes anti-corrosion and coating technique to process, described switching station outer case The folding of door uses hydraulic strut to be supported.
As shown from the above technical solution, the box switching station of 24kV Intelligent photovoltaic of the present utility model, Charged a battery by solar energy, then by accumulator to switching station electrically operated institution, FTU, DTU is powered, it is possible to achieve box switching station is when carrying out electric operating and intelligent operation Need not voltage transformer pt and can complete whole powered operation task, use new energy, Reduce potential safety hazard, decrease electricity loss, and it is automatic to realize distribution by FTU, DTU Change, intelligent and radio communication level in raising.
Accompanying drawing explanation
The knot of the box switching station of 24kV Intelligent photovoltaic that Fig. 1 provides for this utility model one embodiment Structure and scheme of installation;
In the box switching station of 24kV Intelligent photovoltaic that Fig. 2 provides for this utility model embodiment too The principle schematic of sun energy photovoltaic panel generating;
The box switching station of 24kV Intelligent photovoltaic that Fig. 3 provides for this utility model embodiment utilizes The principle schematic of solar energy photovoltaic panel charging.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is made further Describe in detail.Following example are used for illustrating this utility model, but it is new to be not limited to this practicality The scope of type.
Along with the development of national economy, urban distribution network load density is increasing, distribution network pair The requirement of equipment dependability is more and more higher, and urban distribution network power supply mode is progressively to looped network type supplier of electricity Formula develops.According to the power network development paces constantly accelerated, distribution net equipment will rely on computer, lead to Letter technology etc. develops to direction highly reliable, non-maintaining, intelligent, miniaturization.
Intelligent grid is exactly the intellectuality of electrical network, and also referred to as " electrical network 2.0 ", it is built upon collection That become, on the basis of high-speed bidirectional communication network, by advanced sensing with measure technology, elder generation The application of the DSS technology of the equipment and technology entered, advanced control method and advanced person, Realize electrical network reliable, safety, economy, efficiently, environmental protection and the target of use safety, it is main Want feature to include spontaneous recovery, encourage and include user, resist attack, provide and meet 21 century user The quality of power supply of demand, allow various different forms of electricity generation access, start electricity market and The optimization Effec-tive Function of assets.
Green network is a kind of resources conservation, ecological, environmental protective, standard criterion, advanced technology, warp Help efficient novel power grid pattern.By 2008, the global electrical network more than 80% was all to use exchange Electricity, and a lot of scientist in Europe finds that unidirectional current has great advantage, will promote green Electrical network.
Build green intelligent electrical network and just require that electrical equipment has to comply with new energy, energy-conservation and Intelligentized demand, is mainly reflected in for device intelligence demand and requires that equipment has communication mutual Dynamic function, sensing measurement function, logical operations function, control perform function etc..In recent years, Along with society, economy and the development of switching technique, switchgear energy-saving, lightweight, Miniaturization, product non-maintaining, intelligentized are increasingly favored.
The knot of the box switching station of 24kV Intelligent photovoltaic that Fig. 1 provides for this utility model one embodiment Structure and scheme of installation, as it is shown in figure 1, the box switching station of 24kV Intelligent photovoltaic of the present embodiment, Including: switching station outer case 2 is propped up by installing with being arranged on described switching station outer case 2 top The solar energy photovoltaic panel 1 that frame is fixed;
The internally installed of described switching station outer case 2 has solar charging/discharging controller (in figure not Illustrate), accumulator (not shown), switching station supply unit (not shown), Switching station Switch main body 3, Feeder Terminal Unit FTU 6 and switching station terminal equipment DTU 7;
Described solar charging/discharging controller respectively with described solar energy photovoltaic panel 1, described electric power storage Pond, described switching station supply unit connect, described switching station supply unit respectively with described opening and closing Institute's Switch main body 3, described FTU 6, described DTU 7 connect, described switching station Switch main body 3 Being connected with described FTU 6, described FTU 6 is connected with described DTU 7.
Wherein, the described box switching station of 24kV Intelligent photovoltaic is arranged on 24kV ground power distribution network system In system, lay with buried cable carry out install cabling be connected.
Wherein, described solar charging/discharging controller, be used for controlling described solar energy photovoltaic panel to Described accumulator is charged;
Described accumulator, being used for by described switching station supply unit is switching station Switch main body 3 In equipment, FTU 6 and DTU 7 powers.
In a particular application, described switching station Switch main body 3, it may include: on-load switch, electric current Transformer CT, chopper, secondary small chamber 5 and cable vault 4.
Further, described on-load switch and chopper are provided with electronic requirement configuration, and possess Manual operation function, reserved remote control, remote measurement, remote signalling interface, to adapt to remote monitoring needs.
Further, described current transformer uses the casting of epoxy resin integral vacuum, all Terminal and securing member have enough mechanical strengths and good conductive contact, have reliable anticorrosion Coating.
Further, described cable vault 4 is internal line cable, cable installation accessory, use In measuring and protective current transformer and the cable mount of cable duct isolation.
Further, described cable vault 4 is internal can be integrated with Temperature Humidity Sensor and heater, For carrying out temperature and humidity regulation, prevent the generation of dew condensation phenomenon.
Further, described Current Transmit is preferably Integral three-phase, single-phase and zero sequence Transformer, can reduce equipment volume, convenient installation, it is easy to accomplish control.
In a particular application, described switching station Switch main body 3, it is also possible to including: short trouble refers to Show device, meet phase fault, the instruction requirement of single-phase fault ground connection, and there is output switch parameter merit Energy.
In a particular application, described switching station Switch main body 3 can use air plug with described FTU 6 Cable is attached, and described FTU 6 and described DTU 7 can use air plug cable to communicate even Connect.
In a particular application, described FTU 6 is configured with 24 core aviations and patches socket, described opening and closing Institute's Switch main body 3 is configured with automation interface.
In a particular application, described FTU 6 is with digital signal processor DSP as core, integrated Circuit include: circuit breaker control circuit, analog quantity acquisition circuit, digital quantity acquiring circuit, Communication interface circuit, wireless data interface circuit etc., it is achieved that highly integrated.
Specifically, described FTU can support following functions:
1) possess in-site collecting analog quantity and quantity of state function, and possess measurement data, status number Function according to teletransmission;
2) possess switch and control function on the spot;
3) possess locality or distant place setting action definite value function;
4) possess the throwing of defencive function scene and move back function;
5) possess two-position remote signalling and process function;
6) possess remote measurement dead zone range is arranged function;
7) possess fault detect and fault distinguishing function;
8) possess and send function in load Threshold Crossing Alert;
9) possess circuit and have pressure identification function.
In a particular application, described DTU 7 is integrated with RS-232 communication interface, RS485 communication Interface and Ethernet communication interface etc., can complete inner feeder monitoring, it is possible to identify feeder line Fault.
Specifically, described DTU 7 can support following functions:
1) possess analog quantity and the quantity of state of in-site collecting switch and control switch divide-shut brake merit Can, possess measurement data, the teletransmission of status data and a distant place and control function, monitoring can be realized and open Close the flexible expansion of quantity;
2) possess on the spot/distant place switching switch and control to export hard pressing plate, supporting to control to export soft pressure Plate function;
3) possess fault detect and fault distinguishing function;
4) possess two-position remote signalling and process function;
5) possess serial port and ethernet interface;
6) possess simultaneously for communication equipment, the ability of the switch divide-shut brake supporting power supply of offer;
7) possess double loop power supply input and automatic switching function.
In a particular application, the present embodiment the box switching station of 24kV Intelligent photovoltaic possess relay Defencive function, including: electric current three-stage protection, one-phase ground protection and low-voltage lockout, with Realize Fault Isolation and fault location.
In a particular application, the material of the shell of described switching station outer case 2, may include that Rustless steel or glass fiber reinforced cement GRC or aluminizing zine plate add batten etc..
In a particular application, described switching station outer case 2 can take anti-corrosion and coating technique to process, Coating uniform, consistency of thickness, coating has firm adhesive force, it is ensured that within 20 years, occur without substantially Visible rust staining, cabinet shell has anti-glued small advertisement function;The face of described switching station outer case 2 Color can be coordinated mutually with surrounding, and case shell surface has obvious reflecting alarm sign, it is ensured that 15 years colour-fast;The folding of the door of described switching station outer case can use hydraulic strut to be supported, More safe and convenient.
In a particular application, the cabinet shell of described switching station outer case 2 has enough machinery Intensity and the performance such as corrosion-resistant, it is adaptable to outdoor operation, the degree of protection of shell reaches relevant state Family's standard.
Solar energy photovoltaic panel generating in the box switching station of 24kV Intelligent photovoltaic of the present embodiment Principle can be found in Fig. 2, and the principle utilizing solar energy photovoltaic panel to charge can be found in Fig. 3, the present embodiment The box switching station of 24kV Intelligent photovoltaic use ground foundation ditch ground mode to be pacified by box switching station Dress relevant position, and be attached matched cable installing, connect and carried out point Transmission operation can be carried out after closing operation and signal debugging.
The box switching station of 24kV Intelligent photovoltaic of the present embodiment, is applied to 24kV distribution network system, Device parameter meets 24kV parameter and standard, and the box opening and closing of 24kV Intelligent photovoltaic is done and concentrated again The box switching station that combination switch unit, breaker unit, distribution automation unit are integrated is logical Cross solar energy to charge a battery, then by accumulator to switching station electrically operated institution, FTU, DTU is powered, it is possible to achieve box switching station is when carrying out electric operating and intelligent operation Need not voltage transformer pt and can complete whole powered operation task, use new energy, Reduce potential safety hazard, decrease electricity loss, more environmentally-friendly and real by FTU, DTU Existing distribution automation, intelligent and radio communication level in raising.
The box switching station of 24kV Intelligent photovoltaic of the present embodiment, it is possible to meet monitoring and distribution is automatic The requirement changed, the most also realizes reducing installation difficulty, can reach user and maintain easily and operate, Can guarantee that again its safety, reduce cost simultaneously.
The box switching station of 24kV Intelligent photovoltaic of the present embodiment, can use SF6 to insulate, and voltage is mutual Sensor cabinet and become cabinet can use air insulation.Cabinet inner breaker can use vacuum circuit breaker or SF6 Chopper, on-load switch uses three station SF6 on-load switches, and compound mode can be divided into single gas tank Combination and altogether gas tank combination;Switching station is by altitude chamber, low-pressure secondary room, cable vault, distribution certainly Dynamicization room is separated design with modular form, and every part can be carried out separately maintaining more Change, non-interference in structure.Use solar powered, green cleaning, safe and reliable, it is to avoid Use power network fluctuation and the generation of PT explosion accident produced by PT;
The box switching station of 24kV Intelligent photovoltaic of the present embodiment can use robotic laser's welding procedure, Ensure sealing property, degree of protection IP67.Whole inflation housing meets regulation in IEC 60298 The requirement of " seal-off pressure system ", and need not again inflate.Switch possesses perfect five Anti-interlock, structure uses all insulation metal-enclosed type, and bus-bar system uses copper busbar, connects Have at conjunction and prevent electric field from concentrating and the measure (as installed grading shield etc.) of shelf depreciation.
It is last it is noted that various embodiments above is only in order to illustrate technical side of the present utility model Case, is not intended to limit;Although this utility model having been carried out in detail with reference to foregoing embodiments Explanation, it will be understood by those within the art that: it still can be to aforementioned each enforcement Technical scheme described in example is modified, or enters the most some or all of technical characteristic Row equivalent;And these amendments or replacement, do not make the essence disengaging of appropriate technical solution Protective scope of the claims of the present utility model.

Claims (10)

1. the box switching station of 24kV Intelligent photovoltaic, it is characterised in that including: switching station Outer case and be arranged on the sun that described switching station outer case top is fixed by mounting bracket Can photovoltaic panel;
Described switching station outer case internally installed have solar charging/discharging controller, accumulator, Switching station supply unit, switching station Switch main body, Feeder Terminal Unit FTU and switching station terminal Equipment DTU;
Described solar charging/discharging controller respectively with described solar energy photovoltaic panel, described accumulator, Described switching station supply unit connects, and described switching station supply unit is opened with described switching station respectively Close body, described FTU, described DTU connect, described switching station Switch main body and described FTU Connecting, described FTU is connected with described DTU.
The box switching station of 24kV Intelligent photovoltaic the most according to claim 1, its feature exists In, the described box switching station of 24kV Intelligent photovoltaic is arranged in the distribution network system of 24kV ground, Lay with buried cable carry out install cabling be connected.
The box switching station of 24kV Intelligent photovoltaic the most according to claim 1, its feature exists In, described switching station Switch main body, including: on-load switch, Current Transmit, chopper, Secondary small chamber and cable vault.
The box switching station of 24kV Intelligent photovoltaic the most according to claim 3, its feature exists In, described current transformer uses the casting of epoxy resin integral vacuum;
And/or,
Have inside described cable vault line cable, cable installation accessory, for measuring and protecting Current transformer and the cable mount of cable duct isolation;
And/or,
Described on-load switch and chopper all reserve remote control, remote measurement, remote signalling interface.
The box switching station of 24kV Intelligent photovoltaic the most according to claim 3, its feature exists In, described switching station Switch main body, also include: display device for short circuit.
The box switching station of 24kV Intelligent photovoltaic the most according to claim 3, its feature exists In, described cable vault has been internally integrated Temperature Humidity Sensor and heater.
The box switching station of 24kV Intelligent photovoltaic the most according to claim 3, its feature exists In, described FTU is with digital signal processor DSP as core, and integrated circuit includes: open circuit Device control circuit, analog quantity acquisition circuit, digital quantity acquiring circuit, communication interface circuit, nothing Line data interface circuit;
And/or,
Described DTU is integrated with RS-232 communication interface, RS485 communication interface and Ethernet Communication interface.
The box switching station of 24kV Intelligent photovoltaic the most according to claim 1, its feature exists In, described switching station Switch main body and described FTU use air plug cable to be attached, described FTU Air plug cable is used to be communicatively coupled with described DTU.
The box switching station of 24kV Intelligent photovoltaic the most according to claim 1, its feature exists In, described FTU is configured with 24 core aviations and patches socket, and described switching station Switch main body configures There is automation interface.
The box switching station of 24kV Intelligent photovoltaic the most according to claim 1, its feature exists In, the material of the shell of described switching station outer case, including: rustless steel or glass fibre increase Strong cement GRC or aluminizing zine plate add batten;
And/or,
Described switching station outer case takes anti-corrosion and coating technique to process, described switching station outer case The folding of door uses hydraulic strut to be supported.
CN201620526507.5U 2016-06-01 2016-06-01 The box switching station of 24kV Intelligent photovoltaic Active CN205791750U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620526507.5U CN205791750U (en) 2016-06-01 2016-06-01 The box switching station of 24kV Intelligent photovoltaic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620526507.5U CN205791750U (en) 2016-06-01 2016-06-01 The box switching station of 24kV Intelligent photovoltaic

Publications (1)

Publication Number Publication Date
CN205791750U true CN205791750U (en) 2016-12-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620526507.5U Active CN205791750U (en) 2016-06-01 2016-06-01 The box switching station of 24kV Intelligent photovoltaic

Country Status (1)

Country Link
CN (1) CN205791750U (en)

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