CN208623200U - A kind of integral photovoltaic substation - Google Patents
A kind of integral photovoltaic substation Download PDFInfo
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- CN208623200U CN208623200U CN201821295304.5U CN201821295304U CN208623200U CN 208623200 U CN208623200 U CN 208623200U CN 201821295304 U CN201821295304 U CN 201821295304U CN 208623200 U CN208623200 U CN 208623200U
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- high voltage
- load switch
- transformer
- hyperbaric chamber
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Abstract
The utility model discloses a kind of integral photovoltaic substations, it includes hyperbaric chamber, transformer, low-pressure chamber；Left side, the right side of transformer are respectively arranged with hyperbaric chamber, low-pressure chamber；The left end of transformer, right end are respectively arranged with high-voltage connection pile crown, low pressure wiring pile crown；High voltage porcelain bushing pipe is equipped on high-voltage connection pile crown, low pressure wiring pile crown；High voltage load switch operation compartment is provided on the left of hyperbaric chamber；High voltage load switch is provided in high voltage load switch operation compartment；The right end in hyperbaric chamber is provided with sensor；Arrester is provided with below sensor；Low-pressure chamber includes the low-voltage component installation compartment of the high voltage load switch operation compartment in left side, right side；High-tension fuse is provided in high voltage load switch operation compartment；Gas relay is provided with above high-tension fuse.Not only work progress is simple for the utility model, at low cost, good heat dissipation effect, and rainproof effect is strong, while avoiding outlet danger, has wide applicability.
Description
Technical field
The utility model relates to a kind of substation more particularly to a kind of integral photovoltaic substations.
Background technique
The difficulty that China's photovoltaic industry currently encounters is both the severe challenge that industry development faces, and promotes industry tune
The opportunity of whole upgrading, especially photovoltaic power generation cost decline to a great extent, and provide advantage to broaden domestic market.Traditional is inverse
Become room to be separately provided with boosting room, the direct current that photovoltaic generation unit issues introduces DC cabinet by cable, then carries out inversion, inverse
The low-voltage circuit breaker cabinet that boosting case becomes is guided to by cable after change, then voltage is risen to by 10KV by step-up transformer, passes through height
Cabinet is pressed to be sent into power grid, work progress is complicated, and at high cost, heat dissipation effect is poor.In addition the transformer roof that commonly boosting case becomes uses
Flat-tope structure, waterproof effect is poor, and conventional boxes, which become, has the danger being prone to accidents using high potential cable termination outlet.
Utility model content
In order to solve shortcoming present in above-mentioned technology, the utility model provides a kind of integral photovoltaic power transformation
It stands.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of integral photovoltaic substation,
Including hyperbaric chamber, transformer, low-pressure chamber；Left side, the right side of transformer are respectively arranged with hyperbaric chamber, low-pressure chamber；
The left end of transformer, right end are respectively arranged with high-voltage connection pile crown, low pressure wiring pile crown；It is high-voltage connection pile crown, low
High voltage porcelain bushing pipe is equipped on compression bonded line pile crown；The creepage distance in hyperbaric chamber is 750~800mm；The creepage distance of low-pressure chamber
For 150~200mm；
High voltage load switch operation compartment is provided on the left of hyperbaric chamber；Height is provided in high voltage load switch operation compartment
Press on-load switch；The right end in hyperbaric chamber is provided with sensor；Arrester is provided with below sensor；
Low-pressure chamber includes the low-voltage component installation compartment of the high voltage load switch operation compartment in left side, right side；High pressure is negative
High-tension fuse is provided in lotus switch operation compartment；Gas relay is provided with above high-tension fuse.
Transformer is 35kV S11 type transformer.
High voltage load switch is FZRN21-40.5 indoor high voltage AC vacuum load switch.
Low-pressure chamber, hyperbaric chamber side offer ventilation by forced draft hole.
Top cover is provided at the top of low-pressure chamber, hyperbaric chamber；The surrounding of top cover extends outward 100~120mm.
Not only work progress is simple for the utility model, at low cost, good heat dissipation effect, and rainproof effect is strong, avoids simultaneously
Outlet is dangerous, has wide applicability.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In figure: 1, transformer；2, hyperbaric chamber；3, low-pressure chamber；4, high-tension fuse；5, gas relay；6, top cover；7, high
Press porcelain bushing shell；8, arrester；9, sensor.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
A kind of integral photovoltaic substation as shown in Figure 1, including hyperbaric chamber 2, transformer 1, low-pressure chamber 3；Transformer 1
Left side, right side are respectively arranged with hyperbaric chamber 2, low-pressure chamber 3；The performance of salt spray proof when to improve coastal area use, hyperbaric chamber 2,
Transformer 1, low-pressure chamber 3 shell be all made of stainless steel material or nonmetallic materials, improve the anti-oxidation corrosion performance of product.
The left end of transformer 1, right end are respectively arranged with high-voltage connection pile crown, low pressure wiring pile crown；It is high-voltage connection pile crown, low
High voltage porcelain bushing pipe 7 is equipped on compression bonded line pile crown；High voltage porcelain bushing pipe 7 plays insulation and supporting role.Hyperbaric chamber 2 climb electricity away from
From for 750~800mm；The creepage distance of low-pressure chamber 3 is 150~200mm；Creepage distance refers to that two measured along insulating surface are led
Between electric parts, under different service conditions, since the insulating materials around conductor is electrically polarized, the insulating materials is caused to be in
The live zone of existing electrification phenomenon.High and low pressure wiring pile crown for the insulation performance for improving 1 inlet-outlet line of transformer, transformer 1 uses
The horizontal lead-out mode of casing, casing are high voltage porcelain bushing pipe 7.2 creep distance of hyperbaric chamber is set to reach 780mm in this way, 3 creep distance of low-pressure side reaches
180mm improves product insulation performance, is allowed to still ensure that enough dielectric strengths in humid conditions, is also convenient for wiring.
The left side in hyperbaric chamber 2 is provided with high voltage load switch operation compartment；It is provided in high voltage load switch operation compartment
High voltage load switch；The right end in hyperbaric chamber 2 is provided with sensor 9；The lower section of sensor 9 is provided with arrester 8；In hyperbaric chamber 2
Left side use steel plate be separated out a cell as high voltage load switch operate compartment.Make operating room and high and low pressure electrical body in this way
It separates, effectively improves the safety of operation.
Low-pressure chamber 3 includes the low-voltage component installation compartment of the high voltage load switch operation compartment in left side, right side；High pressure is negative
High-tension fuse 4 is provided in lotus switch operation compartment；High-tension fuse 4 is simplest protection electric appliance, it is used to protect electricity
Gas equipment is from overloading the damage with short circuit current；The top of high-tension fuse 4 is provided with gas relay 5.Gas relay 5
For protecting transformer 1.
Transformer 1 is 35kV S11 type transformer.Select the 35kV S11 type transformer conduct that anti-sudden short circuit ability is strong
The transformer of photovoltaic substation.Transformer 1 selects low-loss S11 type or amorphous alloy type transformer, and loss is small, noise is low, symbol
Close energy conservation and environmental requirement.The cooling fin of transformer 1 is not sealed in cabinet, and radiating condition is good, securely and reliably.
High voltage load switch is FZRN21-40.5 indoor high voltage AC vacuum load switch.Photovoltaic substation selects
FZRN21-40.5 vacuum load switch, the switch are set in hyperbaric chamber 2.The switch is closed using vacuum interrupter, cuts off and bear
Charged current cut-offs short circuit current using high-tension fuse 4.High-tension fuse 4 is melted with switch operation moving knife composition fuse cutter to be opened
It closes, there is when operation apparent cut-off point.Fuse switch with knifeshaped fuse has perfect mechanical anti-misoperation blocking function, and fuse cutter is molten
Switch uses mechanical linkage with vacuum load switch, and when vacuum circuit breaker is in "on" position, fuse switch with knifeshaped fuse can not be into
Row division operation makes vacuum load switch trip when high-tension fuse 4 fuses by linkage.It is negative in order to improve high pressure
The safety of lotus switch operation, operating member high-tension fuse 4 is located in low-pressure chamber 3, and is provided with unique spacer.
Low-pressure chamber 3, hyperbaric chamber 2 side offer ventilation by forced draft hole.Condensation is generated inside transformer 1 in order to prevent,
Ventilation by forced draft hole is offered in the upper and lower ends of the side wall in high and low voltage chamber 3, hyperbaric chamber 2, automatic heating dehumidification device etc. is equipped with and arranges
It applies, while the bottom of box and cable duct also carry out Seal treatment.
Low-pressure chamber 3, hyperbaric chamber 2 top be provided with top cover 6；The surrounding of top cover 6 extends outward 100~120mm.
To reach preferable rainproof effect, low-pressure chamber 3, hyperbaric chamber 2 top cover 6 be designed as before eaves plane protract 100mm than gate plane,
Rainwater can in this way will not beat in the horizontal crack between a door and its frame of gate top to achieve the purpose that rain-proof.In addition, low-pressure chamber 3, high pressure
The doorframe of room 2 is designed with guiding gutter and is stained with waterproof sealing rubber leather strap.When rainwater invades crack between a door and its frame, rainwater will be along guiding gutter
The following crack between a door and its frame in gate is slipped down to be then out outside cabinet.
The utility model is not only lost that small, noise is low, meets energy conservation and environmental requirement, and use separate-box type structure, becomes
Depressor cooling fin is directly exposed to air, and convenient for heat dissipation, while high-voltage terminal uses bushing formula structure, avoids conventional boxes
Become the danger that accident easily occurs using high potential cable termination outlet.In addition, the design has, complete property is strong, occupied area is small, throws
The features such as money saves, is convenient for installation and maintenance, handsome in appearance, weatherability is strong, is widely portable to each integral photovoltaic substation.
Above embodiment is not limitations of the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made within the scope of the technical solution of the utility model,
Also the protection scope of the utility model is belonged to.
Claims (5)
1. a kind of integral photovoltaic substation, it is characterised in that: including hyperbaric chamber (2), transformer (1), low-pressure chamber (3)；It is described
Left side, the right side of transformer (1) are respectively arranged with hyperbaric chamber (2), low-pressure chamber (3)；
The left end of the transformer (1), right end are respectively arranged with high-voltage connection pile crown, low pressure wiring pile crown；The high-voltage connection
High voltage porcelain bushing pipe (7) are equipped on pile crown, low pressure wiring pile crown；The creepage distance of the hyperbaric chamber (2) is 750~800mm；
The creepage distance of low-pressure chamber (3) is 150~200mm；
High voltage load switch operation compartment is provided on the left of the hyperbaric chamber (2)；High voltage load switch operates setting in compartment
There is high voltage load switch；The right end in hyperbaric chamber (2) is provided with sensor (9)；Arrester is provided with below the sensor (9)
(8)；
The low-pressure chamber (3) includes the low-voltage component installation compartment of the high voltage load switch operation compartment in left side, right side；It is described
High-tension fuse (4) are provided in high voltage load switch operation compartment；Be provided with above the high-tension fuse (4) gas after
Electric appliance (5).
2. integral photovoltaic substation according to claim 1, it is characterised in that: the transformer (1) is 35kV S11
Type transformer.
3. integral photovoltaic substation according to claim 2, it is characterised in that: the high voltage load switch is
FZRN21-40.5 indoor high voltage AC vacuum load switch.
4. integral photovoltaic substation according to claim 3, it is characterised in that: the low-pressure chamber (3), hyperbaric chamber (2)
Side offer ventilation by forced draft hole.
5. integral photovoltaic substation according to claim 4, it is characterised in that: the low-pressure chamber (3), hyperbaric chamber (2)
Top be provided with top cover (6)；The surrounding of the top cover (6) extends outward 100~120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295304.5U CN208623200U (en) | 2018-08-10 | 2018-08-10 | A kind of integral photovoltaic substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295304.5U CN208623200U (en) | 2018-08-10 | 2018-08-10 | A kind of integral photovoltaic substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208623200U true CN208623200U (en) | 2019-03-19 |
Family
ID=65715730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821295304.5U Active CN208623200U (en) | 2018-08-10 | 2018-08-10 | A kind of integral photovoltaic substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208623200U (en) |
-
2018
- 2018-08-10 CN CN201821295304.5U patent/CN208623200U/en active Active
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