CN111653971A - Low-voltage distribution box applicable to 10/0.4kV on-column transformer substation in oil-gas field station yard - Google Patents
Low-voltage distribution box applicable to 10/0.4kV on-column transformer substation in oil-gas field station yard Download PDFInfo
- Publication number
- CN111653971A CN111653971A CN202010391781.7A CN202010391781A CN111653971A CN 111653971 A CN111653971 A CN 111653971A CN 202010391781 A CN202010391781 A CN 202010391781A CN 111653971 A CN111653971 A CN 111653971A
- Authority
- CN
- China
- Prior art keywords
- distribution box
- oil
- voltage
- gas field
- field station
- 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
Links
Images
Classifications
-
- 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
- H02B5/02—Non-enclosed substations; Substations with enclosed and non-enclosed equipment mounted on pole, e.g. pole transformer substation
-
- 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
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- 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
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- 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
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- 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
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention provides a low-voltage distribution box suitable for a 10/0.4kV pole-mounted transformer substation in an oil-gas field station, which at least comprises a distribution box body, an isolating switch, a busbar, a post insulator, a lightning arrester, a current transformer, a circuit breaker, a fuse, a contactor, a power capacitor, an intelligent electric energy meter, a voltmeter, an indicator lamp, a voltage change-over switch, a capacitor switching switch and a current-voltage wiring terminal, wherein the isolation switch is arranged on the distribution box body; the front side and the back side in the distribution box body are separated by an insulating partition plate; isolator, female arranging, fuse and circuit breaker establish in proper order on the positive support in the block terminal box from the top down. The invention has simple structure, standardized installation and standardized design, simultaneously realizes the functions of oil and gas field station power distribution and on-site reactive compensation, unifies the standard installation method of the 10/0.4kV on-column transformer substation low-voltage distribution box of the oil and gas field station, and further improves the adaptability of the on-column transformer substation low-voltage distribution box of the oil and gas field station.
Description
Technical Field
The invention belongs to the field of oil and gas field ground engineering construction, and particularly relates to a low-voltage distribution box suitable for a 10/0.4kV on-column transformer substation in an oil and gas field station.
Background
Due to the load characteristics of part of oil and gas field stations, not only a 10/0.4kV on-column transformer station is required to supply power to the station, but also the on-column transformer station is required to perform reactive compensation on site, the current scheme of the distribution box of the national standard atlas of outdoor transformer installation (04D 201-3) only has a scheme of a distribution loop, and a standard installation method for integrating the distribution loop and the on-site reactive compensation into one distribution box does not exist, so that the problems of diversified design, non-uniform field construction and disordered method exist.
Disclosure of Invention
In order to solve the problems that the existing distribution loop and the on-site reactive compensation are not integrated on one distribution box, so that the on-site construction is not uniform, and the method is disordered, the invention aims to provide the low-voltage distribution box suitable for the 10/0.4kV on-column transformer substation in the oil and gas field station.
The technical scheme adopted by the invention is as follows:
a low-voltage distribution box applicable to a 10/0.4kV pole-mounted transformer substation in an oil-gas field station field at least comprises a distribution box body, an isolating switch, a busbar, a post insulator, a lightning arrester, a current transformer, a circuit breaker, a fuse, a contactor, a power capacitor, an intelligent electric energy meter, a voltmeter, an indicator lamp, a voltage change-over switch, a capacitor switching switch and a current-voltage wiring terminal; the front side and the back side in the distribution box body are separated by an insulating partition plate; the isolating switch, the busbar, the fuse and the circuit breaker are sequentially arranged on the front bracket in the distribution box body from top to bottom; the bus bar is provided with a bus bar, the bus bar is connected with the lower side of the isolating switch through the bus bar, and the lightning arrester is installed on the bus bar; the current transformer, the post insulator, the intelligent electric energy meter, the contactor and the power capacitor are sequentially arranged on a back support in the distribution box body from top to bottom; the post insulator is connected with a bus bar, and an incoming bus on the bus bar passes through the current transformer; the upper side of the contactor is connected with the lower side of the fuse, the lower side of the contactor is connected with a power capacitor, and the power capacitor is positioned at the bottom in the distribution box body; the two sides of the intelligent electric energy meter are respectively connected with a current-voltage wiring terminal and a voltmeter; the voltage change-over switch is arranged on one side of the contactor, the capacitor switching switch is arranged above the voltage change-over switch, and the indicator lamp is arranged above the capacitor switching switch; the indicating lamp, the voltage change-over switch and the capacitor fling-cut switch are all arranged on a back support in the distribution box body.
The upper side of the isolating switch is connected with an incoming cable.
The circuit breaker upside be connected with the generating line, the circuit breaker downside passes through the cable to be connected with oil gas field station consumer as the joining in marriage return circuit of block terminal.
The voltmeter is a pointer type voltmeter.
The circuit breaker is a molded case circuit breaker.
The intelligent electric energy meter is metering equipment, and the intelligent electric energy meter collects current and voltage data sources through a current and voltage wiring terminal.
The size of the distribution box body is 650mm in length, 500mm in width and 1200mm in height.
The invention has the beneficial effects that:
the distribution box provided by the invention is added with a reactive compensation function, and solves the problems that no standard installation method of a national standard atlas exists at present, the design is diversified, the field construction is disordered and the like. The invention has simple structure, standardized installation and standardized design, simultaneously realizes the functions of oil and gas field station power distribution and on-site reactive compensation, unifies the standard installation method of the 10/0.4kV on-column transformer substation low-voltage distribution box of the oil and gas field station, and further improves the adaptability of the on-column transformer substation low-voltage distribution box of the oil and gas field station.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of the inside of a box body of a low-voltage distribution box of a transformer substation on a 10/0.4kV post of an oil and gas field station.
FIG. 2 is a rear view of the inside of a box body of a low-voltage distribution box of a transformer substation on a 10/0.4kV post in an oil and gas field station.
FIG. 3 is a front view of a low-voltage distribution box of a 10/0.4kV on-column substation in an oil and gas field station.
FIG. 4 is a rear view of a low-voltage distribution box of a transformer substation on a 10/0.4kV post of an oil and gas field station.
The reference signs are: 1. a protection disconnecting switch; 2. a busbar; 3. a post insulator; 4. a current transformer; 5. a molded case circuit breaker; 6. a fuse; 7. a contactor; 8. a lightning arrester; 9. an intelligent electric energy meter; 10. a power capacitor; 11. a pointer voltmeter; 12. an indicator light; 13. a voltage transfer switch; 14. a capacitor fling-cut switch; 15. a current voltage wiring terminal; 16. an insulating spacer; 17. distribution box body.
Detailed Description
Example 1:
in order to solve the problems that the existing distribution loop and the on-site reactive compensation are not integrated on one distribution box, so that the on-site construction is not uniform, and the method is disordered, the low-voltage distribution box applicable to the 10/0.4kV on-column transformer substation in the oil and gas field station is provided as shown in the figures 1, 2, 3 and 4.
A low-voltage distribution box applicable to a 10/0.4kV pole-mounted transformer substation in an oil-gas field station yard at least comprises a distribution box body 17, an isolating switch 1, a busbar 2, a post insulator 3, a lightning arrester 8, a current transformer 4, a circuit breaker 5, a fuse 6, a contactor 7, a power capacitor 10, an intelligent electric energy meter 9, a voltmeter 11, an indicator lamp 12, a voltage change-over switch 13, a capacitor fling-cut switch 14 and a current-voltage wiring terminal 15; the front surface and the back surface in the distribution box body 17 are separated by an insulating partition plate; the isolating switch 1, the busbar 2, the fuse 6 and the breaker 5 are sequentially arranged on a front bracket in the distribution box body 17 from top to bottom; a bus is arranged on the bus bar 2, the bus bar 2 is connected with the lower side of the isolating switch 1 through the bus, and the lightning arrester 8 is arranged on the bus; the current transformer 4, the post insulator 3, the intelligent electric energy meter 9, the contactor 7 and the power capacitor 10 are sequentially arranged on a back support in the distribution box body 17 from top to bottom; the post insulator 3 is connected with the busbar 2, and an incoming bus on the busbar 2 passes through the current transformer 4; the upper side of the contactor 7 is connected with the lower side of the fuse 6, the lower side of the contactor 7 is connected with the power capacitor 10, and the power capacitor 10 is positioned at the bottom in the distribution box body 17; the two sides of the intelligent electric energy meter 9 are respectively connected with a current-voltage wiring terminal 15 and a voltmeter 11; the voltage change-over switch 13 is arranged on one side of the contactor 7, the capacitor switching switch 14 is arranged above the voltage change-over switch 13, and the indicator light 12 is arranged above the capacitor switching switch 14; the indicator light 12, the voltage change-over switch 13 and the capacitor fling-cut switch 14 are all arranged on a back support in the distribution box body 17.
All the devices are electrically connected and integrated in the low-voltage distribution box provided by the invention to serve as a low-voltage distribution box of a 10/0.4kV on-column transformer substation in an oil and gas field station, so that the multi-loop distribution and take-over load of the oil and gas field station is realized, the on-site grouping reactive power compensation is realized, and the power factor is improved.
The isolating switch 1 is used as a main incoming line of a distribution box, a busbar 2 is used as a busbar of the distribution box, a post insulator 3 is used as a fixed support of the busbar 2, a lightning arrester 8 is used as overvoltage protection equipment of the distribution box, a current transformer 4 is used as current acquisition equipment for electric energy metering, a circuit breaker 5 is used as a direct distribution loop of the distribution box, a fuse 6, a contactor 7 and a power capacitor 10 are used as an on-site reactive compensation loop of the distribution box, an intelligent electric energy meter 9 is used as a meter of the distribution box, a pointer type voltmeter 11 and an indicator lamp 12 are used as reactive compensation loop running state display of the distribution box, a voltage change-over switch 13 and a capacitor switching switch 14 are used as capacitor switching equipment of the distribution box, and an insulating partition plate 16 is used for insulating.
The installation method of the low-voltage distribution box provided by the invention comprises the following steps: all the components are integrated in the distribution box according to the illustration in fig. 1 and 2, and the size of the distribution box is 650mm in length, 500mm in width and 1200mm in height. The distribution box is arranged on a cross beam of a distribution box rack of a 10/0.4kV pole-mounted transformer substation and forms a 10/0.4kV pole-mounted transformer substation together with a 10/0.4kV pole-mounted transformer.
The distribution box integrates the distribution loop and the reactive compensation loop, the distribution loop switch is controlled by a plastic shell switch in a box body 17 of the distribution box, and the switching of each group of capacitors is controlled by a capacitor switching switch 14 in the box body. The switching group number of the capacitor bank can be determined according to the actual load conditions of various oil and gas field stations so as to ensure that the power factor reaches more than 0.9.
The low-voltage distribution box provided by the invention is improved on the basis of the existing national standard atlas, the reactive compensation function is added, and the problems that the standard installation method of the national standard atlas is absent, the design is diversified, the field construction is disordered and the like are solved. The low-voltage distribution box of the transformer substation on the 10/0.4kV column of the oil and gas field station is simple in structure, standardized installation and design are achieved, meanwhile, the power distribution and on-site reactive compensation functions of the oil and gas field station are achieved, the standard installation method of the low-voltage distribution box of the transformer substation on the 10/0.4kV column of the oil and gas field station is unified, and the adaptability of the low-voltage distribution box of the transformer substation on the column of the oil and gas field station is further improved.
Example 2:
based on embodiment 1, in this embodiment, preferably, the upper side of the isolating switch 1 is connected to an incoming cable.
Preferably, the upper side of the circuit breaker 5 is connected with a bus, and the lower side of the circuit breaker 5 is connected with electric equipment of an oil-gas field station through a cable as a distribution loop of the distribution box.
Preferably, the voltmeter 11 is a pointer type voltmeter.
Preferably, the circuit breaker 5 is a molded case circuit breaker.
Preferably, the intelligent electric energy meter 9 is a metering device, and the intelligent electric energy meter 9 collects current and voltage data sources through a current and voltage wiring terminal.
Preferably, the dimensions of the distribution box body 17 are 650mm in length, 500mm in width and 1200mm in height.
As shown in fig. 1 and 2, the isolating switch 1 is a main incoming switch of the distribution box and is installed on a front support in a box body 17 of the distribution box, an incoming cable is connected to the upper side of the isolating switch 1, and a bus in the box body 17 of the distribution box is connected to the lower side of the isolating switch 1. The busbar 2 is arranged on a front support in the distribution box body 17 as a busbar in the distribution box, and plays a role in conveying current and connecting electrical equipment in a circuit. The post insulator 3 is installed on a back support in the distribution box body 17 as a support of the incoming cable and the busbar 2, and plays roles of fixing, supporting and insulating. The lightning arrester 8 is installed on the front side bus in the distribution box body 17 as the overvoltage protection equipment of the distribution box, and plays a role in overvoltage protection in a circuit. The current transformer 4 is used as a current collecting primary device, and the incoming bus is connected with the current transformer 4 in series and is arranged on a back support in the distribution box body 17. Circuit breaker 5 installs on the positive support in block terminal box 17 as the join in marriage out the return circuit of block terminal, 5 upsides of circuit breaker connect the interior generating line of block terminal box 17, and the return circuit of joining in marriage that 5 downside of circuit breaker as the block terminal passes through the cable and is connected with oil gas field station consumer. Fuse 6 installs on the positive support in block terminal box 17 as the capacitance compensation return circuit protection equipment of block terminal, and 6 upsides of fuse connect the generating line, and 6 upsides of fuse connect capacitance compensation return circuit contactor 7 upsides. Contactor 7 installs on the back support in block terminal box 17 as the capacitance compensation return circuit controlgear of block terminal, and 6 downside of block terminal box 17 front fuse are connected to contactor 7 upside, and block terminal box 17 back capacitor bank is connected to contactor 7 downside, power capacitor 10 promptly. The power capacitor 10 is installed at the bottom of the inner back of the distribution box body 17 as compensation equipment of a capacitance compensation loop of the distribution box, and the upper side of the power capacitor 10 is connected with the lower side of the back contactor 7 of the distribution box body 17. The intelligent electric energy meter 9 is installed at the back in the block terminal box 17 as the metering equipment of block terminal, and intelligent electric energy meter 9 passes through current voltage binding post 15, and the electric current volume is gathered from current transformer secondary side, and the voltage volume is gathered from three-phase four-wire bus. Pointer-type voltmeter 11 is installed at block terminal box 17 back as the voltage indication of block terminal and the electrified display device of condenser bank. The voltage change-over switch 13 is used as a capacitor compensation loop main switch device of the distribution box and is arranged on the inner back surface of the distribution box body 17 to control the switching of the whole capacitor bank. The capacitor switching switch 14 is used as a switching switch of each group of capacitors in a capacitance compensation loop of the distribution box and is arranged on the inner back surface of a box body 17 of the distribution box to control the switching of a single capacitor. The indicator light 12 is mounted on a rear bracket inside the box body 17 of the distribution box as an indication of the operation of each group of capacitors of the capacitance compensation circuit of the distribution box. The insulating partition plate 16 is installed between the front surface and the back surface in the distribution box body 17 as an electrical insulating isolation device on the front surface and the back surface of the distribution box body 17, so that an electrical safety distance is ensured.
The low-voltage distribution box of the on-column transformer substation is mainly suitable for various oil and gas field stations such as a transfer station, a boosting point, a dehydration point and a well site, is simple in structure, is installed in a standardized manner, is designed to be standardized, and simultaneously realizes the functions of distribution and on-site reactive compensation of the oil and gas field stations, the standard installation method of the low-voltage distribution box of the on-column transformer substation of 10/0.4kV of the oil and gas field stations is unified, the sizes of an incoming isolation disconnecting link, a matched plastic shell circuit breaker and a capacitor can be selected and adjusted according to the actual scale of the oil and gas field stations, and the adaptability of the low-voltage distribution box of the on-column transformer substation of.
The above embodiments are merely exemplary embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention. Devices and their components not described in detail in the present invention are prior art and will not be further described in the present invention.
Claims (7)
1. The utility model provides a be applicable to 10/0.4kV post transformer substation low voltage distribution box in oil and gas field station, its characterized in that: the intelligent power distribution box at least comprises a distribution box body (17), an isolating switch (1), a busbar (2), a post insulator (3), a lightning arrester (8), a current transformer (4), a circuit breaker (5), a fuse (6), a contactor (7), a power capacitor (10), an intelligent electric energy meter (9), a voltmeter (11), an indicator lamp (12), a voltage change-over switch (13), a capacitor fling-cut switch (14) and a current-voltage wiring terminal (15); the front surface and the back surface in the distribution box body (17) are separated by an insulating partition plate; the isolating switch (1), the busbar (2), the fuse (6) and the breaker (5) are sequentially arranged on a front support in the distribution box body (17) from top to bottom; a bus is arranged on the bus bar (2), the bus bar (2) is connected with the lower side of the isolating switch (1) through the bus, and the lightning arrester (8) is arranged on the bus; the current transformer (4), the post insulator (3), the intelligent electric energy meter (9), the contactor (7) and the power capacitor (10) are sequentially arranged on a back support in the distribution box body (17) from top to bottom; the post insulator (3) is connected with the busbar (2), and an incoming bus on the busbar (2) passes through the current transformer (4); the upper side of the contactor (7) is connected with the lower side of the fuse (6), the lower side of the contactor (7) is connected with the power capacitor (10), and the power capacitor (10) is positioned at the bottom in the distribution box body (17); two sides of the intelligent electric energy meter (9) are respectively connected with a current-voltage wiring terminal (15) and a voltmeter (11); the voltage conversion switch (13) is arranged on one side of the contactor (7), the capacitor switching switch (14) is arranged above the voltage conversion switch (13), and the indicator lamp (12) is arranged above the capacitor switching switch (14); the indicating lamp (12), the voltage change-over switch (13) and the capacitor switching switch (14) are all arranged on a back support in the distribution box body (17).
2. The low-voltage distribution box of the 10/0.4kV pole-mounted transformer substation suitable for the oil and gas field station yard according to claim 1, characterized in that: the upper side of the isolating switch (1) is connected with an incoming cable.
3. The low-voltage distribution box of the 10/0.4kV pole-mounted transformer substation suitable for the oil and gas field station yard according to claim 1, characterized in that: breaker (5) upside be connected with the generating line, breaker (5) downside passes through the cable to be connected with oil gas field station consumer as the joining in marriage out return circuit of block terminal.
4. The low-voltage distribution box of the 10/0.4kV pole-mounted transformer substation suitable for the oil and gas field station yard according to claim 1, characterized in that: the voltmeter (11) is a pointer type voltmeter.
5. The low-voltage distribution box of the 10/0.4kV pole-mounted transformer substation suitable for the oil and gas field station yard according to claim 1, characterized in that: the circuit breaker (5) is a molded case circuit breaker.
6. The low-voltage distribution box of the 10/0.4kV pole-mounted transformer substation suitable for the oil and gas field station yard according to claim 1, characterized in that: the intelligent electric energy meter (9) is a metering device, and the intelligent electric energy meter (9) collects current and voltage data sources through a current and voltage wiring terminal.
7. The low-voltage distribution box of the 10/0.4kV pole-mounted transformer substation suitable for the oil and gas field station yard according to claim 1, characterized in that: the size of the distribution box body (17) is 650mm in length, 500mm in width and 1200mm in height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010391781.7A CN111653971A (en) | 2020-05-11 | 2020-05-11 | Low-voltage distribution box applicable to 10/0.4kV on-column transformer substation in oil-gas field station yard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010391781.7A CN111653971A (en) | 2020-05-11 | 2020-05-11 | Low-voltage distribution box applicable to 10/0.4kV on-column transformer substation in oil-gas field station yard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111653971A true CN111653971A (en) | 2020-09-11 |
Family
ID=72349242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010391781.7A Pending CN111653971A (en) | 2020-05-11 | 2020-05-11 | Low-voltage distribution box applicable to 10/0.4kV on-column transformer substation in oil-gas field station yard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111653971A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651299A (en) * | 2009-08-13 | 2010-02-17 | 吴敏 | AC low-tension intelligent type comprehensive distribution box device for public transformer substation |
| CN202488148U (en) * | 2012-03-16 | 2012-10-10 | 遵义长征电器设备有限责任公司 | Low-voltage intelligent reactive power compensation device |
| CN204030286U (en) * | 2014-08-29 | 2014-12-17 | 浙江东方红能源科技有限公司 | Outdoor reactive power compensation comprehensive distribution box |
| CN207381752U (en) * | 2017-10-24 | 2018-05-18 | 湖州电力设备成套有限公司 | A kind of compact comprehensive distribution cabinet |
| CN212182948U (en) * | 2020-05-11 | 2020-12-18 | 西安长庆科技工程有限责任公司 | 10/0.4kV pole transformer substation low-voltage distribution box for oil and gas field station yard |
-
2020
- 2020-05-11 CN CN202010391781.7A patent/CN111653971A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651299A (en) * | 2009-08-13 | 2010-02-17 | 吴敏 | AC low-tension intelligent type comprehensive distribution box device for public transformer substation |
| CN202488148U (en) * | 2012-03-16 | 2012-10-10 | 遵义长征电器设备有限责任公司 | Low-voltage intelligent reactive power compensation device |
| CN204030286U (en) * | 2014-08-29 | 2014-12-17 | 浙江东方红能源科技有限公司 | Outdoor reactive power compensation comprehensive distribution box |
| CN207381752U (en) * | 2017-10-24 | 2018-05-18 | 湖州电力设备成套有限公司 | A kind of compact comprehensive distribution cabinet |
| CN212182948U (en) * | 2020-05-11 | 2020-12-18 | 西安长庆科技工程有限责任公司 | 10/0.4kV pole transformer substation low-voltage distribution box for oil and gas field station yard |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101537802B (en) | Traction power supply system of electrified railway novel AT power supply mode | |
| CN101662132B (en) | 110kV/220kV voltage level composite apparatus and application thereof | |
| CN105281240A (en) | Outdoor compact type intelligent substation | |
| CN207251044U (en) | Become platform on a kind of closed integrated column | |
| CN105958354B (en) | Two kinds of prepackage type integrated intelligent substations of 110kV/10kV and 110kV/35kV | |
| CN220604564U (en) | Circuit breaker on degree of depth fuses post | |
| CN212182948U (en) | 10/0.4kV pole transformer substation low-voltage distribution box for oil and gas field station yard | |
| CN205753131U (en) | A kind of outdoor compact type intelligent substation | |
| CN207251068U (en) | A kind of intelligent ring main unit of band metering | |
| CN202906212U (en) | Combined measuring inlet wire cabinet | |
| CN202488148U (en) | Low-voltage intelligent reactive power compensation device | |
| CN202633748U (en) | Multifunctional low-voltage distribution cabinet | |
| CN211958262U (en) | Double-incoming-line integrated skid-mounted power distribution device | |
| CN111653971A (en) | Low-voltage distribution box applicable to 10/0.4kV on-column transformer substation in oil-gas field station yard | |
| CN101013798A (en) | Energy-saving single-phase inserted transformation device | |
| CN203617560U (en) | Double-bus single-row layout AIS power distribution unit layout structure of transformer substation | |
| CN207896531U (en) | A UHV AC substation | |
| CN207518086U (en) | A kind of knockdown change power distribution equipment | |
| CN201813091U (en) | Single-phase pre-installed box-type substation | |
| CN111463695A (en) | Prefabricated on-column distribution table area | |
| CN108878115B (en) | 10kV column-mounted high-voltage integrated metering device | |
| CN211744143U (en) | Overhead distribution line management and control device and overhead line integrated management system | |
| CN201674138U (en) | Box type fixed high-tension ring network switchgear | |
| CN209296790U (en) | High-voltage intelligent long-distance metering device | |
| CN208738727U (en) | A kind of 12kV metering handcart device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200911 |
|
| RJ01 | Rejection of invention patent application after publication |