CN111817191A - Box-type substation for photovoltaic - Google Patents

Box-type substation for photovoltaic Download PDF

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Publication number
CN111817191A
CN111817191A CN201910295426.7A CN201910295426A CN111817191A CN 111817191 A CN111817191 A CN 111817191A CN 201910295426 A CN201910295426 A CN 201910295426A CN 111817191 A CN111817191 A CN 111817191A
Authority
CN
China
Prior art keywords
voltage
transformer
cabinet
box
chamber
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
CN201910295426.7A
Other languages
Chinese (zh)
Inventor
武文钊
王乾
刘汉斌
韩红军
姬立新
张乾
张勇
赵作
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.)
Tbea Shandong Shenbian Electrical Equipment Co ltd
Original Assignee
Tbea Shandong Shenbian Electrical Equipment 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 Tbea Shandong Shenbian Electrical Equipment Co ltd filed Critical Tbea Shandong Shenbian Electrical Equipment Co ltd
Priority to CN201910295426.7A priority Critical patent/CN111817191A/en
Publication of CN111817191A publication Critical patent/CN111817191A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B7/00Enclosed substations, e.g. compact substations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/20Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein

Abstract

The invention discloses a photovoltaic box-type substation, which comprises a high-voltage chamber, a low-voltage chamber, a transformer and a box-type shell, wherein the high-voltage chamber, the low-voltage chamber and the transformer are arranged in a delta shape, the transformer is positioned outside the box-type shell, and the high-voltage chamber and the low-voltage chamber are positioned on one side of the transformer and inside the box-type shell; the high-voltage chamber is internally provided with a high-voltage switch cabinet which sequentially comprises a high-voltage incoming line cabinet, a high-voltage metering cabinet, a high-voltage PT cabinet, a transformer outgoing line cabinet and an auxiliary cabinet, wherein the high-voltage incoming line cabinet and the high-voltage metering cabinet are arranged back to back, and the various switch cabinets are connected with a high-voltage bus through incoming and outgoing line ends. The invention integrates the switching station into the box-type substation, reduces the floor area of the box-type substation, has the characteristics of complete automatic protection function, effective improvement of power utilization safety, simple structure and convenient maintenance, and improves the management level and the safety of the box-type substation.

Description

Box-type substation for photovoltaic
Technical Field
The invention relates to a box-type substation, in particular to a box-type substation for photovoltaic.
Background
At present, with the development of the photovoltaic industry in China, cost saving is more emphasized in the construction of a distributed photovoltaic project, and a photovoltaic box becomes integrated and miniaturized. Box-type substation and high-pressure switching station separately construct among traditional distributed photovoltaic project construction, and it is big to have single case to become and the area of switching station, overhauls and maintains inconveniently, needs the shortcoming of long distance cabling.
The existing box-type transformer substation is provided with a high-voltage chamber, a transformer and a low-voltage chamber. In order to save floor space, low-voltage parts are generally integrated, such as the integration of a low-voltage switch and an inverter. This kind of integrated mode, can not integrate the high tension switchgear case and become inside, still need set up high tension switchgear, increased area, the corresponding input that has increased the project construction.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a single box transformer substation and a high-voltage switching station are large in occupied area and inconvenient to overhaul and maintain due to the fact that the box transformer substation and the high-voltage switching station are separately constructed, and the photovoltaic box transformer substation with the automatic protection function is capable of reducing the occupied area of the box transformer substation.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a box-type photovoltaic transformer substation which comprises a high-voltage chamber, a low-voltage chamber, a transformer and a box-type shell, wherein the high-voltage chamber, the low-voltage chamber and the transformer are arranged in a delta shape, the transformer is positioned outside the box-type shell, and the high-voltage chamber and the low-voltage chamber are positioned on one side of the transformer and inside the box-type shell.
The high-voltage chamber is internally provided with a high-voltage switch cabinet which sequentially comprises a high-voltage incoming line cabinet, a high-voltage metering cabinet, a high-voltage PT cabinet, a transformer outgoing line cabinet and an auxiliary cabinet, wherein the high-voltage incoming line cabinet and the high-voltage metering cabinet are arranged back to back, and the various switch cabinets are connected with a high-voltage bus through incoming and outgoing line ends.
The high-voltage incoming cabinet is internally provided with a first high-voltage vacuum circuit breaker, a first high-voltage current transformer and a first comprehensive protection device, the first current transformer collects high-voltage current signals and uploads the high-voltage current signals to the first comprehensive protection device, and the first comprehensive protection device outputs switching-on and switching-off instructions to a switching-on and switching-off actuating mechanism of the first high-voltage vacuum circuit breaker.
And a second high-voltage vacuum circuit breaker, a second high-voltage current transformer and a second comprehensive protection device are arranged in the high-voltage transformer outgoing line cabinet, a high-voltage current signal is collected through the second current transformer and is uploaded to the second comprehensive protection device, and the second comprehensive protection device outputs a switching-on/off instruction to a switching-on/off actuating mechanism of the first high-voltage vacuum circuit breaker.
A low-voltage switch cabinet, an auxiliary transformer and a UPS are sequentially arranged in the low-voltage chamber, wherein the low-voltage switch cabinet and the auxiliary transformer are respectively connected to a low-voltage bus, and the UPS is connected to a power supply end of the auxiliary transformer.
A high-voltage bushing, a high-voltage arrester, an electromagnetic lock and a live display are arranged in the auxiliary cabinet, wherein the high-voltage bushing is used as a high-voltage side outlet end of the transformer to be connected with the transformer and the transformer outlet cabinet, and the high-voltage arrester is arranged on the high-voltage side of the transformer; electromagnetic lock, electrified display are installed on the cabinet door of supplementary cabinet, and electrified display is connected with the high-tension bushing electricity, and electrified display output signal is to the electromagnetic lock control circuit in.
An oil temperature meter and a pressure release valve are arranged in the transformer.
The invention has the following beneficial effects and advantages:
1. the invention integrates the switching station into the box-type substation, reduces the floor area of the box-type substation, has the characteristics of complete automatic protection function, effective improvement of power utilization safety, simple structure and convenient maintenance, and improves the management level and the safety of the box-type substation.
2. The invention integrates the high-voltage part with the switching station, thereby effectively reducing the investment of items in the switching station.
Drawings
Fig. 1 is a layout of a box substation of the present invention;
fig. 2 is a front view of the box substation of the present invention;
fig. 3 is a back view of the box substation of the present invention;
fig. 4 is a right side view of the box substation of the present invention;
fig. 5 is a top view of the box substation of the present invention.
Wherein, 1 is a high-voltage chamber, 11 is a high-voltage incoming line cabinet, 12 is a high-voltage metering cabinet, 13 is a high-voltage PT cabinet, 14 is a transformer outgoing line cabinet, and 15 is an auxiliary cabinet; 2 is a low-voltage chamber, 21 is a low-voltage switch cabinet, 22 is an auxiliary transformer, and 23 is a UPS; 3 is transformer, 4 is box-type shell.
Detailed Description
The invention is further elucidated with reference to the accompanying drawings.
As shown in fig. 1 to 5, the photovoltaic box-type substation of the present invention includes a high voltage chamber 1, a low voltage chamber 2, a transformer 3 and a box-type housing 4, wherein the high voltage chamber 1, the low voltage chamber 2 and the transformer 3 are arranged in a delta shape, the transformer 3 is located outside the box-type housing 4, and the high voltage chamber 1 and the low voltage chamber 2 are located on one side of the transformer 3 and inside the box-type housing.
A high-voltage switch cabinet is arranged in the high-voltage chamber 1 and sequentially comprises a high-voltage incoming line cabinet 11, a high-voltage metering cabinet 12, a high-voltage PT cabinet 13, a transformer outgoing line cabinet 14 and an auxiliary cabinet 15, the high-voltage incoming line cabinet 11 and the high-voltage metering cabinet 12 are arranged back to back, and the various switch cabinets are connected with a high-voltage bus through incoming and outgoing line ends; a first high-voltage vacuum circuit breaker, a first high-voltage current transformer and a first comprehensive protection device are arranged in the high-voltage incoming cabinet 11, the first current transformer collects high-voltage current signals and uploads the high-voltage current signals to the first comprehensive protection device, and the first comprehensive protection device controls the opening and closing of the first vacuum circuit breaker to realize the electrical protection of the high-voltage metering cabinet 12, the high-voltage PT cabinet 13, the transformer outgoing cabinet 14 and circuits; a high-voltage transformer for metering and a watt-hour meter are arranged in the high-voltage metering cabinet 13 and used for checking and metering electric quantity; the high-voltage PT cabinet is provided with a high-voltage transformer for protection, and a voltage signal is uploaded to the comprehensive protection device to realize high-voltage electrical protection; a second high-voltage vacuum circuit breaker, a second high-voltage current transformer and a second comprehensive protection device are arranged in the high-voltage transformer outgoing line cabinet 14, a high-voltage current signal is collected through the second current transformer and is uploaded to the second comprehensive protection device, and the second comprehensive protection device controls the opening and closing of the second high-voltage vacuum circuit breaker to achieve electrical protection of a high-voltage part of the transformer 3.
And a transformer high-voltage bushing, a high-voltage arrester, an electromagnetic lock and a live display are arranged in the auxiliary cabinet 15 so as to realize the connection between the transformer and the transformer outgoing line cabinet.
A high-voltage bushing, a high-voltage arrester, an electromagnetic lock and a live display are arranged in the auxiliary cabinet 15, wherein the high-voltage bushing is used as a high-voltage side outlet end of the transformer 3 to connect the transformer 3 and the transformer outlet cabinet 14, and the high-voltage arrester is arranged on the high-voltage side of the transformer 3; electromagnetic lock, electrified display are installed on the cabinet door of supplementary cabinet 15, and electrified display is connected with the high-tension bushing electricity, and electrified display output signal is to the electromagnetic lock control circuit in. The electrified display responds to whether the high-voltage bushing is electrified, the electromagnetic lock is connected with the electrified display through a wire, if the electrified display detects that the high-voltage bushing is electrified, the electromagnetic lock cannot be opened, and thus the working personnel can be prevented from entering the auxiliary cabinet under the electrified state.
The low-voltage switch cabinet 21, the auxiliary transformer 22 and the UPS23 are sequentially arranged in the low-voltage chamber 2, wherein the low-voltage switch cabinet 21 and the auxiliary transformer 22 are respectively connected to a low-voltage bus, and the UPS is connected to a power supply end of the auxiliary transformer 22.
A low-voltage frame circuit breaker, a surge protector and a molded case circuit breaker are arranged in the low-voltage switch cabinet 21 to realize the electrical protection of the low-voltage part of the transformer; the auxiliary transformer 22 is used for providing working power for each component, and the UPS23 is used for providing temporary power supply when the box-type substation is in power failure maintenance.
The invention integrates the switching station into the box-type substation, reduces the floor area of the box-type substation, has the characteristics of complete automatic protection function, effective improvement of power utilization safety, simple structure and convenient maintenance, improves the management level and safety of the box-type substation, and effectively reduces the investment of projects in the switching station.

Claims (7)

1. The utility model provides a box-type substation for photovoltaic which characterized in that: the transformer comprises a high-voltage chamber, a low-voltage chamber, a transformer and a box type shell, wherein the high-voltage chamber, the low-voltage chamber and the transformer are arranged in a delta shape, the transformer is positioned outside the box type shell, and the high-voltage chamber and the low-voltage chamber are positioned on one side of the transformer and inside the box type shell.
2. The photovoltaic box-type substation according to claim 1, characterized in that: the high-voltage chamber is internally provided with a high-voltage switch cabinet which sequentially comprises a high-voltage incoming line cabinet, a high-voltage metering cabinet, a high-voltage PT cabinet, a transformer outgoing line cabinet and an auxiliary cabinet, wherein the high-voltage incoming line cabinet and the high-voltage metering cabinet are arranged back to back, and the various switch cabinets are connected with a high-voltage bus through incoming and outgoing line ends.
3. The photovoltaic box-type substation according to claim 2, characterized in that: the high-voltage incoming cabinet is internally provided with a first high-voltage vacuum circuit breaker, a first high-voltage current transformer and a first comprehensive protection device, the first current transformer collects high-voltage current signals and uploads the high-voltage current signals to the first comprehensive protection device, and the first comprehensive protection device outputs switching-on and switching-off instructions to a switching-on and switching-off actuating mechanism of the first high-voltage vacuum circuit breaker.
4. The photovoltaic box-type substation according to claim 2, characterized in that: and a second high-voltage vacuum circuit breaker, a second high-voltage current transformer and a second comprehensive protection device are arranged in the high-voltage transformer outgoing line cabinet, a high-voltage current signal is collected through the second current transformer and is uploaded to the second comprehensive protection device, and the second comprehensive protection device outputs a switching-on/off instruction to a switching-on/off actuating mechanism of the first high-voltage vacuum circuit breaker.
5. The photovoltaic box-type substation according to claim 2, characterized in that: a low-voltage switch cabinet, an auxiliary transformer and a UPS are sequentially arranged in the low-voltage chamber, wherein the low-voltage switch cabinet and the auxiliary transformer are respectively connected to a low-voltage bus, and the UPS is connected to a power supply end of the auxiliary transformer.
6. The photovoltaic box-type substation according to claim 2, characterized in that: a high-voltage bushing, a high-voltage arrester, an electromagnetic lock and a live display are arranged in the auxiliary cabinet, wherein the high-voltage bushing is used as a high-voltage side outlet end of the transformer to be connected with the transformer and the transformer outlet cabinet, and the high-voltage arrester is arranged on the high-voltage side of the transformer; electromagnetic lock, electrified display are installed on the cabinet door of supplementary cabinet, and electrified display is connected with the high-tension bushing electricity, and electrified display output signal is to the electromagnetic lock control circuit in.
7. The photovoltaic box-type substation according to claim 2, characterized in that: an oil temperature meter and a pressure release valve are arranged in the transformer.
CN201910295426.7A 2019-04-12 2019-04-12 Box-type substation for photovoltaic Pending CN111817191A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910295426.7A CN111817191A (en) 2019-04-12 2019-04-12 Box-type substation for photovoltaic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910295426.7A CN111817191A (en) 2019-04-12 2019-04-12 Box-type substation for photovoltaic

Publications (1)

Publication Number Publication Date
CN111817191A true CN111817191A (en) 2020-10-23

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CN201910295426.7A Pending CN111817191A (en) 2019-04-12 2019-04-12 Box-type substation for photovoltaic

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113422316A (en) * 2021-06-09 2021-09-21 江苏中天伯乐达变压器有限公司 Multi-low-voltage cabinet transformer substation

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040028892A (en) * 2004-03-10 2004-04-03 차보영 A package panel
CN2899211Y (en) * 2006-01-16 2007-05-09 青海石油管理局 Movable cased transformer station for drilling well
CN201674134U (en) * 2010-04-26 2010-12-15 南京业基电气设备有限公司 Compact box-type substation
CN203278057U (en) * 2013-05-15 2013-11-06 湖北省电力装备有限公司 Intelligent prefabricated transformer substation
CN203895818U (en) * 2014-04-28 2014-10-22 润峰电力有限公司 Photovoltaic power station box transformer substation
CN204216463U (en) * 2014-09-28 2015-03-18 泰豪科技(深圳)电力技术有限公司 Photovoltaic box-type substation
CN105140813A (en) * 2015-10-19 2015-12-09 山东驰翔电气有限公司 Compact American-type substation
CN206148830U (en) * 2016-10-21 2017-05-03 特变电工山东沈变电气设备有限公司 Integrated form intelligence photovoltaic transformer substation
CN208316308U (en) * 2018-05-04 2019-01-01 山东力诺电力设计咨询有限公司 The grid-connected booster stations system of integrated photovoltaic

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040028892A (en) * 2004-03-10 2004-04-03 차보영 A package panel
CN2899211Y (en) * 2006-01-16 2007-05-09 青海石油管理局 Movable cased transformer station for drilling well
CN201674134U (en) * 2010-04-26 2010-12-15 南京业基电气设备有限公司 Compact box-type substation
CN203278057U (en) * 2013-05-15 2013-11-06 湖北省电力装备有限公司 Intelligent prefabricated transformer substation
CN203895818U (en) * 2014-04-28 2014-10-22 润峰电力有限公司 Photovoltaic power station box transformer substation
CN204216463U (en) * 2014-09-28 2015-03-18 泰豪科技(深圳)电力技术有限公司 Photovoltaic box-type substation
CN105140813A (en) * 2015-10-19 2015-12-09 山东驰翔电气有限公司 Compact American-type substation
CN206148830U (en) * 2016-10-21 2017-05-03 特变电工山东沈变电气设备有限公司 Integrated form intelligence photovoltaic transformer substation
CN208316308U (en) * 2018-05-04 2019-01-01 山东力诺电力设计咨询有限公司 The grid-connected booster stations system of integrated photovoltaic

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113422316A (en) * 2021-06-09 2021-09-21 江苏中天伯乐达变压器有限公司 Multi-low-voltage cabinet transformer substation

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Application publication date: 20201023