CN202602115U - High-power photovoltaic inverter cabinet - Google Patents

High-power photovoltaic inverter cabinet Download PDF

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Publication number
CN202602115U
CN202602115U CN2011204826826U CN201120482682U CN202602115U CN 202602115 U CN202602115 U CN 202602115U CN 2011204826826 U CN2011204826826 U CN 2011204826826U CN 201120482682 U CN201120482682 U CN 201120482682U CN 202602115 U CN202602115 U CN 202602115U
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China
Prior art keywords
cabinet
power
turnover line
photovoltaic
line cabinet
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Active
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CN2011204826826U
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Chinese (zh)
Inventor
翟志华
王彤
于德政
唐侃
周辉
吴福保
陈梅
丁杰
吕宏水
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State Grid Electric Power Research Institute
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State Grid Electric Power Research Institute
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Abstract

The utility model discloses a high-power photovoltaic inverter cabinet, comprising a left power cabinet (1), a wire inlet-outlet cabinet (2), a right power cabinet (3), a base (4) and a crossbeam (5). The left power cabinet (1) and the right power cabinet (3) are symmetrically arranged at two sides of the wire inlet-outlet cabinet (2), devices in the left power cabinet (1) and the right power cabinet (3) are symmetrically arranged, and devices in the wire inlet-outlet cabinet (2) are symmetrically arranged; and the left power cabinet (1), the wire inlet-outlet cabinet (2) and the right power cabinet (3) are combined and positioned on the base (4) formed by welded channel steels, and connected by 12 M12 screw bolts, and the beam (5) is formed by two pieces of angle irons which are connected with the inverter cabinet by 12 M12 screw bolts, the angle irons having hoisting holes. The beneficial effects of the inverter cabinet are that, the integral layout of the cabinet is reasonable, in which the regions of strong current and weak current are divided, preventing mutual interference.

Description

A kind of high-power photovoltaic DC-to-AC converter rack
Technical field
The utility model belongs to field of photovoltaic power generation, particularly a kind of inverter rack of high-power photovoltaic generation.
Background technology
Along with global energy consumption constantly increases, and that traditional energy has is non-renewable, and traditional conventional energy resource can not satisfy the supply of most countries.And the ecological environment problem that is brought in the use of traditional energy has also caused the special attention of various countries, and therefore developing regenerative resource has also become the long term growth trend of the times.In the energy of face of mankind, today of environment two big pressing problems; Solar energy is as a kind of reproducible clean energy resource; Have huge business potential and environmental benefit; And that photovoltaic generation has is safe and reliable, noiseless, pollution-free, restriction less, the not available advantage of other conventional energy resources such as low, the easy maintenance of failure rate, resource be wide, photovoltaic generation is worldwide extensively paid attention to, photovoltaic power generation technology also becomes better and approaching perfection day by day; And the direct current that high-power photovoltaic DC-to-AC converter can send photovoltaic panel efficiently converts alternating current into, for directly using or being connected to the grid.So high-power photovoltaic DC-to-AC converter technology also more and more comes into one's own, other developed countries relatively in the world, the high-power photovoltaic DC-to-AC converter technology of China is started late, and technology is still immature, also has very big development space on reliability and the generating efficiency.
Summary of the invention
To above deficiency, the utility model provides a kind of high power contravariant device cabinet that is used for photovoltaic generation, and it is characterized in that: the rack integral layout is reasonable, and operation is convenient, and compact conformation is easy for installation, safe and reliable.
The utility model is taked following technical scheme for realizing above-mentioned purpose:
1, whole three groups of cupboards and the cabinet of adopting forms, and becomes symmetrical structure, and be rational in infrastructure, the convenient installation.
The photovoltaic DC-to-AC converter cabinet is made up of left power cabinet, turnover line cabinet, right power cabinet from left to right, and division board all is installed between cabinet, can play good electromagnetic shielding action; The photovoltaic DC-to-AC converter cabinet is contained on the base that is welded by channel-section steel; Easy for installation, reasonable stress, reliability is high; The lifting crossbeam is equipped with at the top, convenient lifting; Filter is equipped with in three cupboard bottoms, dispels the heat to cabinet in order to air intake; Three cupboards all are single open-doors, and the left side is provided with door lock and handle, and locking bar is equipped with in the inboard; All there is circuit breaker handle at three cabinet door middle parts, become symmetrical structure to control, and left and right sides power cabinet is the dc circuit breaker handle, and turnover line cabinet is the AC circuit breaker handle; Left and right sides power cabinet cabinet outer side of door has the array small square hole, and one-tenth is symmetrical set, in order to air inlet, to radiator heat-dissipation; Turnover line cabinet middle and upper part is provided with three indicator lights of a row, is used for the cabinet state and shows that indicator light bottom is provided with three action buttons or knob, in order to start and to shut down; Turnover line cabinet cabinet door right lower quadrant is provided with waterproof socket and communication interface, in order to supply power and debugging to external equipment.
2, the inner components and parts of cabinet are put rationally, and space utilization is reasonable, and the maximum overall dimension of cabinet is: 2400* 2285*853
(wide * is high, and * is dark, comprises base, air channel, circuit breaker handle) (mm)
Because at 500kw at present is the bigger photovoltaic DC-to-AC converter of power ratio; So the electric components value volume and range of product that comprises is numerous; Structure installed part quantity kind is also many, and the said photovoltaic DC-to-AC converter of the utility model mechanism is reasonable, and interior space utilization is appropriate; So the cabinet volume is controlled at less the getting in the size that compares, and saves placing space.All adopt openable cabinet door structure before and after the turnover line cabinet, be convenient to safeguard and debugging, and cabinet student end all has filter, fan is installed on the top, and the top fan forms the convection current air channel with filter, with heat extraction cabinet in the cabinet, reaches radiating effect; Mainly contain three big mounting panels in the turnover line cabinet and just divide the inner space, front panel is whole plate from top to bottom, and back upper mounting plate and the postlaminar part installation in front of back lower installation board rationally utilize back space; 2 ASIC casees and control cabinet symmetrical expression install with the back upper mounting plate on, alternating current filter, A.C. contactor, filter capacitor, small transformers are installed on the lower installation board of back, back upper mounting plate is self-clinching nut behind, makes things convenient for the components and parts installation; Need bring drill to an end do like air switch, temperature control and appropriate control switch are installed in the upper end of front panel, AC circuit breaker is installed the medium position with front panel; Exchange the bottom that the outlet copper bar is installed in front panel, direct current inlet wire copper bar is contained in the both sides of cabinet bottom, and the ground connection copper bar is loaded on cabinet bottom front end; Cable-through hole is arranged at the cabinet bottom, in order to the direct current inlet wire with exchange outlet, simultaneously can supply to introduce earth connection and connect the ground connection copper bar; AC circuit breaker links to each other with copper bar with alternating current filter, and alternating current filter links to each other with copper bar with A.C. contactor, adorns the consistent copper bar of two shapes on each terminal of A.C. contactor lower end, and it is installed back-to-back, is convenient to connect more cable.
The beneficial effect of the utility model is: the cabinet integral layout is reasonable, and inner strong and weak electricity subregion is divided, and avoids interfering with each other; Between left side power cabinet, turnover line cabinet, right power cabinet cabinet division board is housed, prevents the electromagnetic interference between cabinet; Air channel connection and reasonable arrangement in each cabinet, it is smooth and easy to ventilate, and is beneficial to heat radiation; The turnover line position is positioned at the bottom of turnover line cabinet, makes things convenient for wiring to install; Mounting panel behind self-clinching nut in the turnover line cabinet makes things convenient for the installation and removal of part to safeguard; Base is reasonable with the lifting beam structure, and stressed coefficient of safety is high, is convenient to lift and lay.
Description of drawings
Fig. 1 is the Facad structure sketch map of the utility model;
Fig. 2 is the turnover line cabinet structure sketch map of the utility model;
Fig. 3 is the turnover line cabinet Facad structure sketch map of the utility model;
Fig. 4 is the turnover line cabinet polycrystalline substance sketch map of the utility model.
Embodiment
The structure that the utility model adopts left power cabinet (1), turnover line cabinet (2), right power cabinet (3) three cabinets and cabinet to form, as shown in Figure 1.Three cupboards are used the M12 bolt with base (4) respectively, and are equipped with also on the door pillar of left power cabinet (1) and turnover line cabinet (2), turnover line cabinet (2) and right power cabinet (3) that cabinet spare links to each other it respectively.Cabinet is top-loaded with crossbeam (5), and three cupboards are linked to each other, and is used for simultaneously lifting.
Control unit and alternating current circuit have been comprised in the turnover line cabinet (2); Comprise successively from top to bottom: top fan (6), ASIC case (8), control cabinet (7), alternating current filter (12), A.C. contactor (13), AC circuit breaker (18), wherein A.C. contactor (13), alternating current filter (12), AC circuit breaker (18) link to each other with copper bar.Turnover line cabinet (2) base plate (21) leaves cable-through hole, and net top-cross circuit cable passes cable-through hole and links to each other with copper bar (19) on the AC circuit breaker, and the DC loop cable passes cable-through hole and links to each other with cabinet both sides direct current copper bars (20).
On the turnover line cabinet door three status indicator lamps (22) are housed; In order to show the complete machine state; Other has two knobs and an emergency stop switch (23), and in order to rack is operated, the waterproof socket (25) and the debugging interface (26) of cabinet student end have made things convenient for the maintenance of attendant to complete machine.
In related each rack of the utility model fan is arranged all, air intake and air-out can form good convection channel, and the complete machine heat radiation is good.

Claims (4)

1. high-power photovoltaic DC-to-AC converter rack; Comprise: left power cabinet (1), turnover line cabinet (2), right power cabinet (3), base (4), crossbeam (5); It is characterized in that: left power cabinet (1) and right power cabinet (3) are put in the symmetry on turnover line cabinet (2) both sides; Left side power cabinet (1) is put structure with the symmetry of right power cabinet (3) internal components, and the symmetry of turnover line cabinet (2) internal components is put structure; Be positioned on the base (4) that is welded into channel-section steel behind left side power cabinet (1), turnover line cabinet (2), right power cabinet (3) and the cabinet, connect with 12 M12 bolts, crossbeam (5) is two angle steel of opening hole for hoist, is connected with the inverter cabinet with 12 M12 bolts.
2. high-power photovoltaic DC-to-AC converter rack according to claim 1 is characterized in that: the outside Ceiling installed fan (6) of installing of the Top Tank of turnover line cabinet (2); Control cabinet (7) and ASIC case (8) are installed on the back upper mounting plate (9), and operating surface backwards; Pick-up wire casing (10) on the ASIC case interface panel; Back lower installation board (11) is gone up dress alternating current filter (12), A.C. contactor (13); Contactor bottom band connects copper bar (14); Three row's components and parts (15) are installed on turnover line cabinet front panel top, and components and parts are connected fixing with front panel (17) through DIN rail (16), pick-up wire casing around the components and parts; AC circuit breaker (18) is equipped with at the front panel middle part, is equipped with on the AC circuit breaker to exchange copper busbar (19); Direct current copper busbar (20) is equipped with in the turnover line cabinet left and right sides; Open 26 circular holes on the turnover line cabinet base plate (21), in order to cross cable.
3. high-power photovoltaic DC-to-AC converter rack according to claim 1; It is characterized in that the cabinet cabinet door middle and upper part of turnover line cabinet (2) is provided with status indicator lamp (22) and control button (23), can carry out running status demonstration and anxious stopping and reset operation control cubicle; Filter (24) is equipped with in cabinet student portion; Be convenient to filtered air and air inlet,, be beneficial to the cabinet heat radiation so that form the ventilation device of convection current with top fan (6).
4. high-power photovoltaic DC-to-AC converter rack according to claim 1 is characterized in that, the cabinet student portion of turnover line cabinet is provided with waterproof socket (25) and debugging interface (26), is used for the photovoltaic DC-to-AC converter cabinet to external equipment power supply and and external device communication.
CN2011204826826U 2011-11-29 2011-11-29 High-power photovoltaic inverter cabinet Active CN202602115U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204826826U CN202602115U (en) 2011-11-29 2011-11-29 High-power photovoltaic inverter cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204826826U CN202602115U (en) 2011-11-29 2011-11-29 High-power photovoltaic inverter cabinet

Publications (1)

Publication Number Publication Date
CN202602115U true CN202602115U (en) 2012-12-12

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ID=47319632

Family Applications (1)

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Country Status (1)

Country Link
CN (1) CN202602115U (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103280699A (en) * 2013-04-25 2013-09-04 苏州市启华机电设备有限公司 Three-door electrical cabinet
CN103794990A (en) * 2013-12-31 2014-05-14 张家港保税区天翔电气有限公司 Power distribution cabinet
CN103812031A (en) * 2013-12-31 2014-05-21 张家港保税区天翔电气有限公司 Waterproof power distribution cabinet and power distribution cabinet group
CN105071763A (en) * 2015-08-06 2015-11-18 河南森源电气股份有限公司 Integrated photovoltaic inverter
WO2016197791A1 (en) * 2016-01-05 2016-12-15 中兴通讯股份有限公司 Photovoltaic inverter cabinet and photovoltaic inverter
CN106374477A (en) * 2015-07-23 2017-02-01 利思电气(上海)有限公司 Miniature high-voltage active power filtering device
CN106452346A (en) * 2016-12-12 2017-02-22 合肥源擎电气科技有限公司 Centralized high-power MPPT off-grid photovoltaic controller
CN106533353A (en) * 2016-11-30 2017-03-22 合肥源擎电气科技有限公司 Concentrated high-power off-network photovoltaic controller
CN109994952A (en) * 2017-12-31 2019-07-09 朱志华 A kind of box-type solar inversion station
CN110636730A (en) * 2019-09-26 2019-12-31 赛埃孚汽车保修设备(太仓)有限公司 Modular structure electric control cabinet for lifting machine and installation method thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103280699A (en) * 2013-04-25 2013-09-04 苏州市启华机电设备有限公司 Three-door electrical cabinet
CN103794990A (en) * 2013-12-31 2014-05-14 张家港保税区天翔电气有限公司 Power distribution cabinet
CN103812031A (en) * 2013-12-31 2014-05-21 张家港保税区天翔电气有限公司 Waterproof power distribution cabinet and power distribution cabinet group
CN103794990B (en) * 2013-12-31 2016-05-18 张家港保税区天翔电气有限公司 A kind of distribution group
CN103812031B (en) * 2013-12-31 2016-05-18 张家港保税区天翔电气有限公司 A kind of waterproof power distribution cabinet and distribution group
CN106374477A (en) * 2015-07-23 2017-02-01 利思电气(上海)有限公司 Miniature high-voltage active power filtering device
CN105071763A (en) * 2015-08-06 2015-11-18 河南森源电气股份有限公司 Integrated photovoltaic inverter
WO2016197791A1 (en) * 2016-01-05 2016-12-15 中兴通讯股份有限公司 Photovoltaic inverter cabinet and photovoltaic inverter
CN106533353A (en) * 2016-11-30 2017-03-22 合肥源擎电气科技有限公司 Concentrated high-power off-network photovoltaic controller
CN106533353B (en) * 2016-11-30 2018-07-31 合肥源擎电气科技有限公司 A kind of centralization high power off-network photovoltaic controller
CN106452346A (en) * 2016-12-12 2017-02-22 合肥源擎电气科技有限公司 Centralized high-power MPPT off-grid photovoltaic controller
CN109994952A (en) * 2017-12-31 2019-07-09 朱志华 A kind of box-type solar inversion station
CN110636730A (en) * 2019-09-26 2019-12-31 赛埃孚汽车保修设备(太仓)有限公司 Modular structure electric control cabinet for lifting machine and installation method thereof

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