CN110601027A - Uninterrupted double-breaker high-voltage switch cabinet - Google Patents

Uninterrupted double-breaker high-voltage switch cabinet Download PDF

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Publication number
CN110601027A
CN110601027A CN201911043417.5A CN201911043417A CN110601027A CN 110601027 A CN110601027 A CN 110601027A CN 201911043417 A CN201911043417 A CN 201911043417A CN 110601027 A CN110601027 A CN 110601027A
Authority
CN
China
Prior art keywords
chamber
breaker
main
cable
standby
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
CN201911043417.5A
Other languages
Chinese (zh)
Inventor
钟万华
梁伟成
罗泳
梁小燕
巫立锋
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.)
Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
GUANGDONG BEIJIANG SWITCH FACTORY 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 GUANGDONG BEIJIANG SWITCH FACTORY CO Ltd filed Critical GUANGDONG BEIJIANG SWITCH FACTORY CO Ltd
Priority to CN201911043417.5A priority Critical patent/CN110601027A/en
Publication of CN110601027A publication Critical patent/CN110601027A/en
Pending legal-status Critical Current

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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
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; 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
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Patch Boards (AREA)

Abstract

A double-breaker high-voltage switch cabinet without power failure comprises a main bus chamber, a main breaker supply chamber, a standby breaker chamber, a cable chamber, a main secondary control chamber and a standby secondary control chamber, wherein one side of the main bus chamber is electrically connected with the cable chamber, the right side of the cable chamber is provided with the standby breaker chamber, the standby breaker chamber is electrically connected with the main secondary control chamber, the left side of the cable chamber is provided with the main breaker supply chamber, and the main breaker supply chamber is electrically connected with the standby secondary control chamber; and a ventilation device is arranged on the left side of the main bus chamber, and an air outlet is formed in the right side of the main bus chamber. The invention is assembled and combined by functional compartments, has standardized modularization characteristic, good protection performance, good fault isolation performance and enough heat dissipation space, supplies power to the outgoing cable through the standby circuit breaker and the mutual inductor, can realize the switching between the main circuit breaker and the standby circuit breaker under the condition of no power failure and is convenient to overhaul.

Description

Uninterrupted double-breaker high-voltage switch cabinet
Technical Field
The invention relates to a high-voltage switch cabinet, in particular to a double-breaker high-voltage switch cabinet without power failure.
Background
A plurality of problems are exposed in the actual operation of the existing high-voltage switch cabinet, and the improvement of the power supply reliability is restricted: firstly, the cabinet body space ventilation radiating effect is general, and when the operation reached more than 80% rated current, the temperature rise generally exceeded 70K's national standard requirement. Secondly, the switch cabinet needs to be maintained and overhauled when power is cut off; power failure is needed when components in the current transformer and the like are replaced; thirdly, the load can not be flexibly adjusted among all sections of buses; fourthly, the switch cabinet fails to recover power supply quickly, and even the whole bus is powered off.
Disclosure of Invention
The invention aims to provide a double-breaker high-voltage switch cabinet without power failure, which has the characteristics of rapid power restoration, fault isolation and efficient heat dissipation and solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a double-breaker high-voltage switch cabinet without power failure comprises a main bus chamber, a main breaker supply chamber, a standby breaker chamber, a cable chamber, a main secondary control chamber and a standby secondary control chamber, wherein one side of the main bus chamber is electrically connected with the cable chamber, the right side of the cable chamber is provided with the standby breaker chamber, the standby breaker chamber is electrically connected with the main secondary control chamber, the left side of the cable chamber is provided with the main breaker supply chamber, and the main breaker supply chamber is electrically connected with the standby secondary control chamber; and a ventilation device is arranged on the left side of the main bus chamber, and an air outlet is formed in the right side of the main bus chamber.
The cable chamber comprises a first connection wire and a second connection wire, the main circuit breaker supply chamber is provided with a first interface and a second interface, the standby circuit breaker chamber is provided with a third interface and a fourth interface, one end of the first connection wire is connected with the first interface, the other end of the first connection wire is connected with the third interface, one end of the second connection wire is connected with the second interface, and the other end of the second connection wire is connected with the fourth interface. CT structures are installed in the middle of the main breaker supply chamber and the standby breaker supply chamber, the CT structures in the main breaker supply chamber are connected with a cable chamber through a first interface and a second interface, and the CT structures in the standby breaker supply chamber are connected with the cable chamber through a third interface and a fourth interface. The first wiring of the cable chamber is connected with a main bus chamber, and the second wiring is connected with an outgoing cable. In addition, mutual inductors are connected between the main circuit breaker supply chamber, the standby circuit breaker chamber and the outgoing cables.
Compared with the prior art:
1. the high-voltage switch cabinet is composed of a main bus chamber, a main circuit breaker supply chamber, a standby circuit breaker chamber, a cable chamber and a control chamber, wherein each compartment is an independent module, and functional compartments are assembled to form the high-voltage switch cabinet;
2. the invention uses the tubular bus, the ventilation equipment is arranged on the left side of the tubular bus, air is fed from the left side of the tubular bus, air is exhausted from the right side of the tubular bus, the center of the bus is taken as a circulating air duct, the heat of the bus is taken out of a cabinet, the heating and temperature rise problems of the bus are solved, and meanwhile, each main element is provided with an independent compartment, and the heat dissipation space is enough;
3. the invention is provided with a double-circuit breaker structural form, one is main and the other is standby, the conventional power supply is that the main power supply circuit breaker and the mutual inductor are connected to the outgoing cable through the main bus for supplying power, when the main power supply circuit breaker is overhauled, the power supply can be switched to the standby circuit breaker for supplying power, and the power supply is supplied to the outgoing cable through the standby circuit breaker and the mutual inductor, so that the main power supply circuit breaker and the standby circuit breaker can be switched under the condition of no power failure, and the overhauling.
Drawings
FIG. 1 is an overall block diagram of the present invention; FIG. 2 is a diagram of the primary and secondary control room of the present invention; FIG. 3 is a connection diagram of the main bus bar compartment and cable compartment of the present invention; FIG. 4 is a block diagram of a backup secondary control room of the present invention; fig. 5 is a block diagram of the main supply breaker chamber of the present invention; fig. 6 is a structural view of a backup breaker chamber of the present invention.
In the figure: 1. a main bus bar chamber; 11. a ventilation device; 12. an air outlet; 2. a main supply breaker chamber; 21. a first interface; 22. a second interface; 3. a backup breaker chamber; 31. a third interface; 32. a fourth interface; 4. a cable chamber; 41. a first wiring; 42. a second wiring; 43. an outgoing cable; 5. a primary and secondary control room; 6. a standby secondary control room; 7. and (5) CT structure.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a non-power-off double-breaker high-voltage switch cabinet comprises a main bus chamber 1, a main circuit breaker supply chamber 2, a standby circuit breaker chamber 3, a cable chamber 4, a main secondary control chamber 5 and a standby secondary control chamber 6, wherein one side of the main bus chamber 1 is electrically connected with the cable chamber 4, the cable chamber 4 comprises a first connection 41 and a second connection 42, the main circuit breaker supply chamber 2 is provided with a first interface 21 and a second interface 22, the standby circuit breaker chamber 3 is provided with a third interface 31 and a fourth interface 32, one end of the first connection 41 is connected with the first interface 21, the other end is connected with the third interface 31, one end of the second connection 42 is connected with the second interface 22, the other end is connected with the fourth interface 32, the first connection 41 of the cable chamber 4 is connected with the main bus chamber 1, the second connection 42 is connected with an outgoing cable 43, the right side of the cable chamber 4 is provided with the standby circuit breaker, the standby breaker chamber 3 is electrically connected with a main secondary control chamber 5, a main breaker supply chamber 2 is arranged on the left side of the cable chamber 4, CT structures 7 are mounted in the middle of the main breaker supply chamber 2 and the standby breaker supply chamber 3, the CT structures 7 in the main breaker supply chamber 2 are connected with the cable chamber 4 through a first interface 21 and a second interface 22, the CT structures 7 in the standby breaker supply chamber 3 are connected with the cable chamber 4 through a third interface 31 and a fourth interface 32, and the main breaker supply chamber 2 is electrically connected with a standby secondary control chamber 6; a ventilation device 11 is arranged on the left side of the main bus chamber 1, an air outlet 12 is arranged on the right side of the main bus chamber 1, and mutual inductors are connected between the main circuit breaker chamber 2, the standby circuit breaker chamber 3 and the outgoing cable 43.
The working principle is as follows: the main bus bar room 1 is sequentially connected with a first connection 41 of the cable room 4, a first interface 21 and a second interface 22 of the main circuit breaker room 2, a second connection 42 of the cable room 4 and an outgoing cable 43; after switching to the backup breaker room 3, the main bus room 1 connects the first connection 41 of the cable room 4, the third interface 31 and the fourth interface 32 of the backup breaker room 3, the second connection 42 of the cable room 4, and the outgoing cable 43 in this order.
In summary, the following steps: the uninterrupted double-breaker high-voltage switch cabinet is composed of a main bus chamber 1, a main breaker supply chamber 2, a standby breaker chamber 3, a cable chamber 4 and a control chamber, wherein each compartment is an independent module, and functional compartments are assembled to form the high-voltage switch cabinet; the high-voltage switch cabinet uses a tubular bus, a ventilation device 11 is arranged on the left side of the tubular bus, air is fed from the left side of the tubular bus, air is exhausted from the right side of the tubular bus, the center of the bus is used as a circulating air duct, the heat of the bus is taken out of the cabinet, the heating and temperature rising problems of the bus are solved, and meanwhile, each main element is provided with an independent compartment, and the heat dissipation space is enough; the high-voltage switch cabinet is provided with a double-circuit breaker structure, one main circuit is used for supplying power, the conventional power supply is that the main circuit breaker and the mutual inductor are connected through the main bus to supply power to the outgoing cable 43, when the main circuit breaker is used for maintenance, the main circuit breaker can be switched to the standby circuit breaker for supplying power, the standby circuit breaker and the mutual inductor are used for supplying power to the outgoing cable 43, the main circuit breaker can be switched under the condition of no power outage, and the standby circuit breaker is switched, so that the maintenance is convenient.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a double circuit breaker high tension switchgear does not have a power failure, includes main bus-bar room (1), main circuit breaker room (2), reserve circuit breaker room (3), cable chamber (4), main secondary control room (5) and reserve secondary control room (6), its characterized in that: one side of the main bus chamber (1) is electrically connected with a cable chamber (4), the right side of the cable chamber (4) is provided with a standby breaker chamber (3), the standby breaker chamber (3) is electrically connected with a main secondary control chamber (5), the left side of the cable chamber (4) is provided with a main circuit breaker supply chamber (2), and the main circuit breaker supply chamber (2) is electrically connected with a standby secondary control chamber (6); ventilation equipment (11) is installed in the left side of main bus-bar room (1), air exit (12) have been seted up on the right side of main bus-bar room (1).
2. The uninterruptible double-breaker high-voltage switch cabinet as claimed in claim 1, characterized in that: cable chamber (4) are including first wiring (41) and second wiring (42), and main confession circuit breaker room (2) are equipped with first interface (21) and second interface (22), and reserve circuit breaker room (3) are equipped with third interface (31) and fourth interface (32), and the one end of first wiring (41) is connected with first interface (21), and the other end is connected with third interface (31), and the one end of second wiring (42) is connected with second interface (22), and the other end is connected with fourth interface (32).
3. The uninterruptible double-breaker high-voltage switch cabinet as claimed in claim 2, characterized in that: CT structures (7) are installed in the middle of the main breaker room (2) and the standby breaker room (3), the CT structures (7) in the main breaker room (2) are connected with a cable room (4) through a first interface (21) and a second interface (22), and the CT structures (7) in the standby breaker room (3) are connected with the cable room (4) through a third interface (31) and a fourth interface (32).
4. A non-stop double-breaker high-voltage switchgear according to claim 1, 2 or 3, characterized in that: a first wiring (41) of the cable chamber (4) is connected with the main bus chamber (1), and a second wiring (42) is connected with an outgoing cable (43).
5. The uninterruptible double-breaker high-voltage switch cabinet as claimed in claim 4, wherein: mutual inductors are connected between the main circuit breaker supply chamber (2), the standby circuit breaker chamber (3) and the outgoing cable (43).
CN201911043417.5A 2019-10-30 2019-10-30 Uninterrupted double-breaker high-voltage switch cabinet Pending CN110601027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911043417.5A CN110601027A (en) 2019-10-30 2019-10-30 Uninterrupted double-breaker high-voltage switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911043417.5A CN110601027A (en) 2019-10-30 2019-10-30 Uninterrupted double-breaker high-voltage switch cabinet

Publications (1)

Publication Number Publication Date
CN110601027A true CN110601027A (en) 2019-12-20

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ID=68851870

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911043417.5A Pending CN110601027A (en) 2019-10-30 2019-10-30 Uninterrupted double-breaker high-voltage switch cabinet

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CN (1) CN110601027A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007274861A (en) * 2006-03-31 2007-10-18 Toshiba Corp Metal enclosed type switchgear
CN102255258A (en) * 2011-07-19 2011-11-23 沈阳华利能源设备制造有限公司 126-kV cabinet type gas-insulated metal-closed switching equipment
CN203456762U (en) * 2013-07-15 2014-02-26 湖南雁能森源电力设备有限公司 Heavy current switch cabinet heat radiation and ventilation structure
CN204290067U (en) * 2014-12-29 2015-04-22 日新恒通电气有限公司 Two-way high voltage power distributing cabinet
KR102016425B1 (en) * 2019-04-10 2019-10-21 (주)이에스아이 The modular switchgear with earthquake-proof function
CN210430536U (en) * 2019-10-30 2020-04-28 广东北江开关厂有限公司 Uninterrupted double-breaker high-voltage switch cabinet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007274861A (en) * 2006-03-31 2007-10-18 Toshiba Corp Metal enclosed type switchgear
CN102255258A (en) * 2011-07-19 2011-11-23 沈阳华利能源设备制造有限公司 126-kV cabinet type gas-insulated metal-closed switching equipment
CN203456762U (en) * 2013-07-15 2014-02-26 湖南雁能森源电力设备有限公司 Heavy current switch cabinet heat radiation and ventilation structure
CN204290067U (en) * 2014-12-29 2015-04-22 日新恒通电气有限公司 Two-way high voltage power distributing cabinet
KR102016425B1 (en) * 2019-04-10 2019-10-21 (주)이에스아이 The modular switchgear with earthquake-proof function
CN210430536U (en) * 2019-10-30 2020-04-28 广东北江开关厂有限公司 Uninterrupted double-breaker high-voltage switch cabinet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
宋奇吼，李学武等: "快堆电气系统与设备", pages: 188 *

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PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20211223

Address after: 511517 floors 2-4, comprehensive building of Guangdong Beijiang Switchgear Factory, No. 7 District, economic development zone, Qingyuan City, Guangdong Province

Applicant after: Qingyuan Xinneng Power Engineering Co.,Ltd. high tech Division

Address before: 511500 No. 15, Jianshe Second Road, high tech Industrial Development Zone, Qingyuan City, Guangdong Province

Applicant before: GUANGDONG BEIJIANG SWITCH FACTORY Co.,Ltd.

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20220609

Address after: 511500 floor 2 of Guangdong Beijiang switchgear plant, No. 7 District, Qingyuan Economic Development Zone, Guangdong Province

Applicant after: Qingyuan Xinneng Power Engineering Co.,Ltd.

Address before: 511517 floors 2-4, comprehensive building of Guangdong Beijiang Switchgear Factory, No. 7 District, economic development zone, Qingyuan City, Guangdong Province

Applicant before: Qingyuan Xinneng Power Engineering Co.,Ltd. high tech Division

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20230316

Address after: 511500 No.38, Beijiang 1st Road, Qingcheng District, Qingyuan City, Guangdong Province

Applicant after: QINGYUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID Corp.

Address before: 511500 floor 2 of Guangdong Beijiang switchgear plant, No. 7 District, Qingyuan Economic Development Zone, Guangdong Province

Applicant before: Qingyuan Xinneng Power Engineering Co.,Ltd.