CN106783100B - A kind of intelligent transformer - Google Patents
A kind of intelligent transformer Download PDFInfo
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- CN106783100B CN106783100B CN201510808588.8A CN201510808588A CN106783100B CN 106783100 B CN106783100 B CN 106783100B CN 201510808588 A CN201510808588 A CN 201510808588A CN 106783100 B CN106783100 B CN 106783100B
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Abstract
The present invention relates to a kind of intelligent transformers, the transformer includes: shell, the monitoring device for monitoring shell, the at least phase high-voltage winding and an at least phase low pressure winding of installation in the shell, breaker, the regulator, voltage transformer and current transformer being separately positioned in each phase of high-voltage winding and low pressure winding, the control device connecting with monitoring device, breaker, regulator, voltage transformer and current transformer is connected to the communication device of control device；For control device for controlling monitoring device, breaker, regulator, voltage transformer and current transformer, control device received signal is transferred to control centre by communication device, and is transferred to control device after receiving the operational order of control centre.The present invention is by integrally, to realize the integrated and intelligent of transformer, being conducive to the miniaturization and intelligence of substation for power transformation, protection, control and monitoring setting.
Description
Technical field
The present invention relates to transformer technology fields, more particularly, to a kind of intelligent transformer.
Background technique
Intelligent substation is using advanced, reliable, integrated and environmentally friendly smart machine, with whole station information digitalization, communication
Platform network, information sharing are standardized as basic demand, are automatically performed information collection, measurement, control, protection, metering and inspection
Survey etc. basic functions, meanwhile, have support power grid automatically controls in real time, intelligence adjust, on-line analysis decision and collaboration interact etc.
The substation of Premium Features.
Intelligent substation mainly includes intelligent high-voltage equipment and substation's integration information platform two parts.Intelligent high-voltage equipment
It mainly include intelligent transformer, Intelligent high voltage switch device, electronic mutual inductor etc..Intelligent transformer and control system are by logical
Believe that optical fiber is connected, transformer state parameter and operation data can be grasped in time.
The main function of substation has 2: changing the voltage of electric energy, carries out the distribution of electric energy.In existing system, transformation
Device is the equipment for changing voltage, and bus is the core of electric energy distribution, is the capital equipment that reliability is high and is protected enough；
Electric line is the path of electrical energy transportation, and especially overhead transmission line failure rate is higher, and protection act speed is quick.Protection
Device is issued Main Equipment Protection instruction, led to by the information of detection electricity mutual inductor and other non-electrical sensors by calculating
It crosses breaker and executes movement.Breaker is connected electrically on bus simultaneously, and the switching of electric energy is carried out under control system control.It is existing
Intelligent Substation System is to carry out intelligence respectively by unit of above equipment.
Transformer is one of most important power transmission and transforming equipment in electric system, is in hinge status in the power system.Become
For depressor once damaging, maintenance or replacing construction are longer, are affected to social production.In inside transformer and external generation event
When barrier, transformer should be isolated with power grid, prevent harm of the transformer by failure.Currently, the intelligence of transformer is to increase
Add various on-line monitoring equipments, realizes the intelligence of repair based on condition of component；For in terms of certain, in some instances it may even be possible to reduce transformer
Reliability.
With the continuous improvement of the Chinese society level of economic development, the load of power distribution network is continuously increased, to power supply reliability
Requirement it is higher and higher.In the most wide distribution system in China distribution face, the most commonly used is small distribution transformers.These transformations
The installation site of device is mostly more dispersed, and using single arrangement, wiring is simple, and the protection to transformer is fallen by external
Insurance and on-pole switch are realized.For fall insurance as identical short-circuit protection fuse, protection is simple, but in transformer
Portion's fault reaction is insensitive, thus keeps the spoilage of these transformers relatively high.The protective device of this transformer has a single function,
The degree of automation is low, has been unable to meet at this stage and in the future demand to tranformer protection.Equally, high capacity motor is driven
Line transformer motor unit system, how to configure protection and route be also extremely difficult.
Summary of the invention
Based on the above issues, the present invention provides a kind of intelligent transformer, by the way that power transformation, protection, control and monitoring to be arranged
Integrally, to realize the miniaturization and intelligence of transformer.
For achieving the above object, the present invention provides a kind of intelligent transformer, and the transformer includes:
Shell, the monitoring device for monitoring the shell, install an at least phase high-voltage winding in the housing and
An at least phase low pressure winding, be separately positioned on breaker in each phase of the high-voltage winding and low pressure winding, regulator,
Voltage transformer and current transformer, with the monitoring device, breaker, regulator, voltage transformer and Current Mutual Inductance
The control device of device connection, is connected to the communication device of the control device；
Wherein, the control device for receive the monitoring device, breaker, regulator, voltage transformer and
The signal of current transformer simultaneously carries out the monitoring device, breaker, regulator, voltage transformer and current transformer
Control, the control device received signal is transferred to control centre by the communication device, and receives the control centre
The control device is transferred to after operational order.
Wherein, the transformer further includes regulator, and the regulator is for adjusting the high-voltage winding and low pressure
The voltage of winding.
Wherein, the monitoring device is used to monitor the non-electric quantity signal of the transformer.
Wherein, the non-electric quantity signal includes temperature, liquid level and pressure etc..
Wherein, high-voltage winding described in each phase includes concatenated multiple subcoils, is connected to disconnected in the high-voltage winding
Road device includes the multiple first sub- breakers, and one first son open circuit is connected in series in each subcoil of the high-voltage winding
Device.
Wherein, the controller controls the multiple first sub- breaker and is opened and closed simultaneously.
Wherein, low pressure winding described in each phase includes multiple subcoils in parallel, is connected to disconnected in the low pressure winding
Road device includes the multiple second sub- breakers, and a second sub- breaker is connected in series in each subcoil of the low pressure winding.
Wherein, the controller controls the multiple first sub- breaker and is opened and closed simultaneously.
Intelligent transformer of the invention becomes one transformer body, breaker and measurement and control device,
So that transformer itself has a functions such as power transformation, autoprotection, control and remote monitoring, and can directly or simply by
Disconnecting switch is connect with distribution bus, forms independent intelligent electric transforming unit, realizes intelligence, the miniaturization of transformer, and
And the transformer, to the adaptable of erecting bed, group station is flexible.
Detailed description of the invention
The features and advantages of the present invention will be more clearly understood by referring to the accompanying drawings, and attached drawing is schematically without that should manage
Solution is carries out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the intelligent transformer of first embodiment of the invention；
Fig. 2 shows the structural schematic diagrams of second embodiment of the present invention intelligent transformer.
Specific embodiment
Below in conjunction with attached drawing, embodiments of the present invention is described in detail.
A kind of intelligent transformer, the transformer include: shell, the monitoring device for monitoring the shell, are mounted on
An at least phase high-voltage winding and an at least phase low pressure winding in the shell, be separately positioned on the high-voltage winding and low pressure around
Breaker, regulator, voltage transformer and current transformer in each phase of group, with the monitoring device, breaker, tune
The control device of pressure device, voltage transformer and current transformer connection, is connected to the communication device of the control device；
Wherein, the control device for receive the monitoring device, breaker, regulator, voltage transformer and
The signal of current transformer simultaneously carries out the monitoring device, breaker, regulator, voltage transformer and current transformer
Control, the control device received signal is transferred to control centre by the communication device, and receives the control centre
The control device is transferred to after operational order.
In above-described embodiment, control centre can be a total control centre in power grid, be also possible to some area
The control centre in domain or the control centre being arranged for some transformer, herein with no restrictions, meanwhile, communication device passes through
Communication interface is communicated with control centre.
Transformer of the invention further includes regulator, the regulator for adjust the high-voltage winding and low pressure around
The voltage of group.
In one embodiment of the invention, each phase high-voltage winding includes concatenated multiple subcoils, is connected to described
Breaker in high-voltage winding includes the multiple first sub- breakers, and each subcoil of the high-voltage winding is connected in series one
A first sub- breaker.
Based on above structure, the controller controls the multiple first sub- breaker and is opened and closed simultaneously.
In another embodiment, low pressure winding described in each phase includes multiple subcoils in parallel, is connected to described low
Breaker on pressure winding includes the multiple second sub- breakers, and each subcoil of the low pressure winding is connected in series one second
Sub- breaker.
Based on above structure, the controller controls the multiple first sub- breaker and is opened and closed simultaneously.
In addition, the structure of above-mentioned high-voltage winding and low pressure winding can be arranged in transformer simultaneously, so as to realize
Breaker is integrated in the inside of transformer.
Intelligent transformer of the invention becomes one transformer body, breaker and measurement and control device,
So that transformer itself has a functions such as power transformation, autoprotection, control and remote monitoring, and can directly or simply by
Disconnecting switch is connect with distribution bus, forms independent intelligent electric transforming unit, realizes intelligence, the miniaturization of transformer, and
And the transformer, to the adaptable of erecting bed, group station is flexible.
Shunting transformer of the invention is described in detail below by way of specific embodiment.
Fig. 1 shows the structural schematic diagram of the intelligent transformer of the first embodiment of the present invention.
Referring to Fig.1, the intelligent transformer of the present embodiment is single-phase transformer, comprising: shell (not shown), it is outer for monitoring
The monitoring device 10 of shell installs a phase high-voltage winding 20 and a phase low pressure winding 30 in the shell, is arranged in high-voltage winding 20
On breaker S1 and the breaker S2 that is arranged in low pressure winding 30, and be arranged in high-voltage winding 20 and low pressure winding 30
Voltage transformer TV and current transformer TA, it is mutual with monitoring device 10, breaker S1 and S2, voltage transformer TV and electric current
The control device 40 of sensor TA connection is connected to the communication device 70 of control device 40, and control device 40 is for receiving monitoring dress
The signal of 10, breaker S2, voltage transformer TV and current transformer TA is set, communication device 70 is received by control device 40
Signal is transferred to control centre, and is transferred to control device 40,40 basis of control device after receiving the operational order of control centre
Operational order controls monitoring device 10, breaker S2, voltage transformer TV and current transformer TA.
In above-described embodiment, communication device 70 is connected and is communicated with control centre by communication interface, and is led to
It interrogates device 70 and sends center for the operating condition of the received transformer of control device and fault-signal, then receive control centre
Operational order and be sent to control device, to realize control of the control device to transformer.
In another embodiment, can only transformer can also include regulator (not shown), for adjusting high-voltage winding
20 and low pressure winding 30 voltage, and regulator is also connected to control device.
Measuring signal is obtained by monitoring device 10, voltage transformer TV and current transformer TA in the present embodiment, is surveyed
Measuring signal includes the electrical quantity signal such as electric current, voltage signal, the non-electric quantities signal such as temperature, liquid level, pressure of transformer.Measurement
Signal is sent to control device, and control device judges whether inside transformer and two sides electric system occur according to measuring signal
Failure, and control cut-offfing for breaker.Control device also passes through communication unit and communicates with control centre, upload transformer station high-voltage side bus and
Fault-signal, and mission control center's operational order realize the functions such as transformer automatic loaded voltage regulation.
Fig. 2 shows the structural schematic diagrams of the intelligent transformer of the second embodiment of the present invention.
In the present embodiment, intelligent transformer includes multiphase high-voltage winding 50 and multiphase low pressure winding 60, as shown in Fig. 2,
Transformer in the present embodiment is currently used three-phase transformer, compared with single-phase transformer, the multiphase transformation of the present embodiment
Device increases polyphase windings coil, and provided with identical as the correspondence winding coil of single-phase transformer on each phase winding coil
Equipment, if the three-phase transformer includes three-phase high-voltage winding 50 and three-phase low-voltage winding 60, the structure of each winding with list
The structure of phase transformer is identical, and the breaker (S11, S12, S13, S21, S22, S23) of each phase, voltage transformer TV and
Current transformer TA is all connected to control device 40.
Multiple sons can be set into the single-phase transformer and polyphase transformer of above-described embodiment, the coil of high-voltage winding
The coil of the concatenated form of coil and/or low pressure winding can be set into the form of multiple subcoil parallel connections, and by breaker
It is arranged to the lesser sub- breaker of multiple capacity to be connected in series on each subcoil, breaker is integrated in transformation so as to realize
Inside device.
In addition, in above-described embodiment, it is other for single-phase transformer and polyphase transformer winding and iron core, shell etc. not say
Bright part is not specifically limited, the technical characteristics such as the winding and iron core of existing single-phase transformer and polyphase transformer, shell
It is suitable for the present invention.
In addition, the model of the current transformer of the high-voltage winding side in the embodiment of the present invention, voltage transformer, breaker
It should be consistent, each element of low pressure winding side is also consistent, so that it is guaranteed that the precision of each measuring signal and each breaker
Actuation time is consistent.
The above specific embodiment is only to illustrate specific implementation technical solution of the invention rather than limits, although referring to reality
Example describes the invention in detail, it will be understood by those of skill in the art that can carry out to technical solution of the present invention
Modification or equivalent replacement should all cover in right of the invention without departing from the spirit and scope of the technical solution of the present invention
In claimed range.
Claims (8)
1. a kind of intelligent transformer, which is characterized in that the transformer includes:
Shell, the monitoring device for monitoring the shell install an at least phase high-voltage winding in the housing and at least
One phase low pressure winding, breaker, the regulator, voltage being separately positioned in each phase of the high-voltage winding and low pressure winding
Mutual inductor and current transformer connect with the monitoring device, breaker, regulator, voltage transformer and current transformer
The control device connect is connected to the communication device of the control device；Wherein, the coil of high-voltage winding described in each phase is arranged to
The coil of low pressure winding described in multiple concatenated forms of subcoil and/or each phase is arranged to the form of multiple subcoil parallel connections,
And the breaker of the high-voltage winding and/or the low pressure winding is arranged to multiple sub- breakers and is connected in series to each sub-line respectively
On circle, realizes and the breaker is integrated in inside transformer；
Wherein, the control device is for receiving the monitoring device, breaker, regulator, voltage transformer and electric current
The signal of mutual inductor simultaneously controls the monitoring device, breaker, regulator, voltage transformer and current transformer
System, the control device received signal is transferred to control centre by the communication device, and receives the behaviour of the control centre
The control device is transferred to after instructing.
2. transformer according to claim 1, which is characterized in that the regulator for adjust the high-voltage winding and
The voltage of low pressure winding.
3. transformer according to claim 1, which is characterized in that the monitoring device is for monitoring the non-of the transformer
Electrical quantity signal.
4. transformer according to claim 3, which is characterized in that the non-electric quantity signal includes temperature, liquid level and pressure
Power.
5. transformer according to claim 1, which is characterized in that high-voltage winding described in each phase includes concatenated multiple sons
Coil, the breaker being connected in the high-voltage winding include the multiple first sub- breakers, and each of described high-voltage winding
A first sub- breaker is connected in series in subcoil, further includes the capacitor in parallel with each first sub- breaker.
6. transformer according to claim 5, which is characterized in that the controller controls the multiple first sub- breaker
It is opened and closed simultaneously.
7. transformer according to claim 1, which is characterized in that low pressure winding described in each phase includes multiple sons in parallel
Coil, the breaker being connected in the low pressure winding include the multiple second sub- breakers, each sub-line of the low pressure winding
A second sub- breaker is connected in series in circle.
8. transformer according to claim 7, which is characterized in that the controller controls the multiple first sub- breaker
It is opened and closed simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808588.8A CN106783100B (en) | 2015-11-19 | 2015-11-19 | A kind of intelligent transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808588.8A CN106783100B (en) | 2015-11-19 | 2015-11-19 | A kind of intelligent transformer |
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| Publication Number | Publication Date |
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| CN106783100A CN106783100A (en) | 2017-05-31 |
| CN106783100B true CN106783100B (en) | 2019-06-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109585144A (en) * | 2019-02-19 | 2019-04-05 | 江苏北辰互邦电力股份有限公司 | A kind of intelligent transformer |
| CN110632373A (en) * | 2019-08-27 | 2019-12-31 | 杭州蓝赛电子科技有限公司 | Integrated intelligent low-voltage line monitoring device |
| CN112816765A (en) * | 2020-08-28 | 2021-05-18 | 苏州灵成电气有限公司 | Intelligent transformer comprehensive parameter testing system |
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| CN104867667A (en) * | 2015-06-03 | 2015-08-26 | 宁波仁栋电气有限公司 | Intelligent oil-immersed transformer and monitoring system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201667280U (en) * | 2010-01-05 | 2010-12-08 | 苏州金山门变压器有限公司 | 20-kilovolt on-load capacitance-adjusting oil-immersed type power transformer |
| CN101976893B (en) * | 2010-11-23 | 2013-03-20 | 广州徳昊电力科技有限公司 | Intelligent transformer |
| CN102866243B (en) * | 2011-10-28 | 2015-06-17 | 北京安赛博技术有限公司 | Sensor system for monitoring transformer insulation oil quality |
| CN204270847U (en) * | 2014-11-29 | 2015-04-15 | 平顶山天晟电气有限公司 | A kind of intellectuality can the transformer of loaded capacity regulating voltage regulating |
| CN204465150U (en) * | 2015-04-17 | 2015-07-08 | 国能子金电器(苏州)有限公司 | Intelligent transformer system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867667A (en) * | 2015-06-03 | 2015-08-26 | 宁波仁栋电气有限公司 | Intelligent oil-immersed transformer and monitoring system and method |
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