CN104362532A - Modular transformer substation system - Google Patents
Modular transformer substation system Download PDFInfo
- Publication number
- CN104362532A CN104362532A CN201410689991.9A CN201410689991A CN104362532A CN 104362532 A CN104362532 A CN 104362532A CN 201410689991 A CN201410689991 A CN 201410689991A CN 104362532 A CN104362532 A CN 104362532A
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- Prior art keywords
- transformer
- bus
- relay
- level
- circuit breaker
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to the technical field of power devices, in particular to a modular transformer substation system. The system comprises a transformer chamber, a high voltage chamber and a low voltage chamber. A single wire system 10KV bus and a first-level disconnecting switch are arranged in the high voltage chamber, a transformer, a second-level disconnecting switch, a first-level circuit breaker, a second-level circuit breaker and a relay are arranged in the transformer chamber, a third-level disconnecting switch and a 0.4KV bus are arranged in the low voltage chamber, the 10KV bus is connected with the primary side of the transformer through the first-level disconnecting switch, the second-level disconnecting switch and the first-level circuit breaker which are connected in sequence, the secondary side of the transformer is connected with the 104KV bus through the second-level circuit breaker, the relay and the third-level circuit breaker which are connected in sequence, and an automatic monitoring device is further connected between the relay and the 0.4KV bus and controls the relay to act according to the state of the 0.4KV bus. On the basis that the modular transformer substation system is flexible to arrange, compact in structure, safe and reliable, comprehensive monitoring and energy management are further achieved in the power production and operation process, and larger economic value can be brought to users.
Description
Technical field
The present invention relates to electric device technical field, especially a kind of modular transformer substation system.
Background technology
Along with the development of market economy, country is in urban and rural power grids construction and transformation, require that high voltage direct taps into into load center, form the power supply general layout of high powered one transformer pressure-reducing one low-voltage distribution, institute for distribution will to saving land, economize on electricity, compact, miniaturization, low-loss, low noise, safe, pollution-free, unattended future development.Modular transformer substation (also known as prefabricated substation or box-type substation) is that a kind of load center that can go deep into is as powered and Novel complete set equipment that is distribution, form by high voltage switchgear, transformer, low voltage switchgear and power compensating device etc. the change distribution the complete sets of equipment forming compact in one or several casing, be used widely in urban and rural power grids.
But along with the expansion of purposes and improving constantly its performance requirement, its structure and system still have needs improvements badly.
Summary of the invention
For the deficiency that above-mentioned prior art exists, the object of the present invention is to provide that a kind of system configuration is simple, flexible arrangement, there is the modular transformer substation system of comprehensive power monitoring and energy.
To achieve these goals, the present invention adopts following technical scheme:
A kind of modular transformer substation system, it comprises transformer room, be arranged at the hyperbaric chamber of transformer room's right upper portion and be arranged at the low-pressure chamber of transformer room's lower right side, one wire system 10KV bus and one-level isolating switch is provided with in described hyperbaric chamber, transformer is provided with in described transformer room, secondary isolating switch, one-level circuit breaker, secondary circuit breaker and relay, three grades of circuit breakers and 0.4KV bus is provided with in described low-pressure chamber, the one-level isolating switch of described 10KV bus by connecting successively, secondary isolating switch is connected with the primary side of transformer with one-level circuit breaker, the secondary circuit breaker of primary side by connecting successively of described transformer, relay is connected with 0.4KV bus with three grades of circuit breakers,
Also be connected with automatic monitoring device between described relay and 0.4KV bus, described automatic monitoring device is according to the state control relay action of 0.4KV bus.
Preferably, described automatic monitoring device comprises for carrying out that data and signal focus on to play the central processing unit of core control action, the current-voltage transformer be connected on 0.4KV bus, the testing circuit unit that the signal that current-voltage transformer exports exported to central processing unit are connected with central processing unit and carrying out the acousto-optic warning unit of fault alarm, be connected to relay drive unit between acousto-optic warning unit and relay, and described relay drive unit is according to the instruction control relay action of central processing unit.
Preferably, the buffer circuit unit for shielding environment and system interference is also connected with between described testing circuit unit and central processing unit.
Preferably, described central processing unit is also connected to host computer and monitor data display unit.
Preferably, it also comprises Control Room, and described hyperbaric chamber and low-pressure chamber lay respectively at left upper portion and the right upper portion of Control Room, and described automatic monitoring device is arranged in Control Room.
Preferably, described one-level circuit breaker is ZN23-10 type vacuum circuit-breakers, and described secondary circuit breaker is ZN28-04 type vacuum circuit-breaker.
Preferably, described one-level isolating switch is GW14-10/200 type isolating switch, and described secondary isolating switch is GN19-04C/20 type isolating switch.
Owing to have employed such scheme, the present invention, realizing, on flexible arrangement, compact conformation, safe and reliable basis, also achieving conduct monitoring at all levels and the energy management of electrical production running, can bring larger economic worth to user.
Accompanying drawing explanation
Fig. 1 is the main electrical scheme line map of the embodiment of the present invention;
Fig. 2 is the chief component layout plan of the embodiment of the present invention;
Fig. 3 is the theory diagram of the supervising device of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As shown in Figure 1 to Figure 3, a kind of modular transformer substation system that the present embodiment provides, be arranged in a casing, it comprises transformer room TM, be arranged at the hyperbaric chamber HV of transformer room TM right upper portion and be arranged at the low-pressure chamber LV of transformer room TW lower right side, three of transformer station part and parcels so can be made to be triangle disposition distribution, ensure the compactedness of transformer substation system structure, 10KV bus and the one-level isolating switch QS1 of one wire system is provided with in the HV of hyperbaric chamber, transformer (not shown) is provided with in transformer room TM, secondary isolating switch QS2, one-level circuit breaker Q F1, secondary circuit breaker Q F2 and relay QK, three grades of circuit breaker Q F3 are provided with and for the 0.4KV bus to load power transmission in low-pressure chamber LV, wherein, 10KV bus is connected with the primary side of transformer with one-level circuit breaker Q F1 by one-level isolating switch QS1, the secondary isolating switch QS2 connected successively, and the primary side of transformer is connected with 0.4KV bus with three grades of circuit breaker Q F3 by secondary circuit breaker Q F2, the relay QK connected successively, the main electrical scheme circuit of whole transformer substation system so can be made more safe and reliable, economical flexibly, simultaneously, also automatic monitoring device is connected with between relay QK and 0.4KV bus, control relay QK action is carried out to utilize the corresponding information of automatic monitoring device automatic analysis (comprising the state according to 0.4KV bus), ensure that transformer station makes a response, in case of a failure fast to ensure the safe operation of transformer station and to extend its useful life.
For ensureing the functional of automatic monitoring device, ensure the accuracy detected, the automatic monitoring device of the present embodiment comprises the central processing unit 1 focusing on to play core control action for carrying out data and signal, be connected to the current-voltage transformer 2 on 0.4KV bus, the signal that current-voltage transformer 2 exports is exported to the testing circuit unit 3 of central processing unit 1, be connected with central processing unit 1 and carry out the acousto-optic warning unit 4 of fault alarm, be connected to the relay drive unit 5 between acousto-optic warning unit 4 and relay QK, with this, when the curtage that current-voltage transformer 2 detects on 0.4KV bus occurs abnormal, the signal that the testing circuit unit 3 pairs of current-voltage transformers 2 export carry out judging rapidly with in time by signal transmission to central processing unit 1, central processing unit 1 is through procedural analysis, control audible-visual annunciator 4 send warning instruction and issue action command to relay drive unit 5 simultaneously, to utilize relay drive unit 5 control relay QK action, low-voltage circuit in low-pressure chamber LV is disconnected, thus ensure the safety of whole transformer substation system.
Further, for avoiding the noise jamming of external environment condition and system itself, between testing circuit unit 3 and central processing unit 1, be also connected with the buffer circuit unit 6 for shielding environment and system interference.Meanwhile, for ease of showing intuitively the monitoring result of automatic monitoring device and process or process, the central processing unit 1 of the present embodiment is also connected to host computer 7 and monitor data display unit 8.
For reasonably optimizing the structure (being specially the structure of casing) of transformer station, ensure the compactedness of its structure, reduce its Financial cost, the transformer substation system of the present embodiment also comprises Control Room JK; Wherein, hyperbaric chamber HV and low-pressure chamber LV lays respectively at left upper portion and the right upper portion of Control Room JK, and automatic monitoring device is arranged in Control Room JK.
In addition, for improving the flexibility of whole system, ensure the function of system, the one-level circuit breaker Q F1 of the present embodiment preferentially selects ZN23-10 type vacuum circuit-breaker, and secondary circuit breaker Q F2 preferentially selects ZN28-04 type vacuum circuit-breaker.One-level isolating switch QS1 preferentially selects GW14-10/200 type isolating switch, and secondary isolating switch QS2 preferentially selects GN19-04C/20 type isolating switch.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. a modular transformer substation system, it is characterized in that: it comprises transformer room, be arranged at the hyperbaric chamber of transformer room's right upper portion and be arranged at the low-pressure chamber of transformer room's lower right side, one wire system 10KV bus and one-level isolating switch is provided with in described hyperbaric chamber, transformer is provided with in described transformer room, secondary isolating switch, one-level circuit breaker, secondary circuit breaker and relay, three grades of circuit breakers and 0.4KV bus is provided with in described low-pressure chamber, the one-level isolating switch of described 10KV bus by connecting successively, secondary isolating switch is connected with the primary side of transformer with one-level circuit breaker, the secondary circuit breaker of primary side by connecting successively of described transformer, relay is connected with 0.4KV bus with three grades of circuit breakers,
Also be connected with automatic monitoring device between described relay and 0.4KV bus, described automatic monitoring device is according to the state control relay action of 0.4KV bus.
2. a kind of modular transformer substation system as claimed in claim 1, it is characterized in that: described automatic monitoring device comprises the central processing unit focusing on to play core control action for carrying out data and signal, be connected to the current-voltage transformer on 0.4KV bus, the signal that current-voltage transformer exports is exported to the testing circuit unit of central processing unit, be connected with central processing unit and carry out the acousto-optic warning unit of fault alarm, be connected to the relay drive unit between acousto-optic warning unit and relay, described relay drive unit is according to the instruction control relay action of central processing unit.
3. a kind of modular transformer substation system as claimed in claim 2, is characterized in that: be also connected with the buffer circuit unit for shielding environment and system interference between described testing circuit unit and central processing unit.
4. a kind of modular transformer substation system as claimed in claim 3, is characterized in that: described central processing unit is also connected to host computer and monitor data display unit.
5. a kind of modular transformer substation system according to any one of claim 1-4, it is characterized in that: it also comprises Control Room, described hyperbaric chamber and low-pressure chamber lay respectively at left upper portion and the right upper portion of Control Room, and described automatic monitoring device is arranged in Control Room.
6. a kind of modular transformer substation system as claimed in claim 5, is characterized in that: described one-level circuit breaker is ZN23-10 type vacuum circuit-breakers, and described secondary circuit breaker is ZN28-04 type vacuum circuit-breaker.
7. a kind of modular transformer substation system as claimed in claim 5, is characterized in that: described one-level isolating switch is GW14-10/200 type isolating switch, and described secondary isolating switch is GN19-04C/20 type isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689991.9A CN104362532A (en) | 2014-11-25 | 2014-11-25 | Modular transformer substation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689991.9A CN104362532A (en) | 2014-11-25 | 2014-11-25 | Modular transformer substation system |
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| Publication Number | Publication Date |
|---|---|
| CN104362532A true CN104362532A (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410689991.9A Pending CN104362532A (en) | 2014-11-25 | 2014-11-25 | Modular transformer substation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786545A (en) * | 2017-01-11 | 2017-05-31 | 中国核电工程有限公司 | A kind of public bus bar wiring structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008055918A (en) * | 2006-08-29 | 2008-03-13 | Meidensha Corp | Control method for dc feeder system |
| CN203084117U (en) * | 2013-01-08 | 2013-07-24 | 武汉汉镇既济电力设备有限公司 | Monitoring device suitable for power distribution system |
-
2014
- 2014-11-25 CN CN201410689991.9A patent/CN104362532A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008055918A (en) * | 2006-08-29 | 2008-03-13 | Meidensha Corp | Control method for dc feeder system |
| CN203084117U (en) * | 2013-01-08 | 2013-07-24 | 武汉汉镇既济电力设备有限公司 | Monitoring device suitable for power distribution system |
Non-Patent Citations (2)
| Title |
|---|
| 李国: "10kV箱式变电站综合自动化装置的研究", 《中国优秀硕士学位论文全文数据库》, 15 December 2011 (2011-12-15) * |
| 蔡卓恩: "10kV箱式变电站的设计及应用", 《甘肃科技纵横》, vol. 42, no. 1, 31 January 2013 (2013-01-31), pages 23 - 25 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786545A (en) * | 2017-01-11 | 2017-05-31 | 中国核电工程有限公司 | A kind of public bus bar wiring structure |
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Application publication date: 20150218 |