CN109217462A - A kind of intelligent distribution transformer terminals suitable for rural power grids - Google Patents
A kind of intelligent distribution transformer terminals suitable for rural power grids Download PDFInfo
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- CN109217462A CN109217462A CN201710515089.9A CN201710515089A CN109217462A CN 109217462 A CN109217462 A CN 109217462A CN 201710515089 A CN201710515089 A CN 201710515089A CN 109217462 A CN109217462 A CN 109217462A
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- 238000004891 communication Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 230000001131 transforming effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- H02J13/0062—
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Abstract
The present invention relates to power grid control fields, provide a kind of intelligent distribution transformer terminals suitable for rural power grids, basic unit and expanding element two parts are set, the basic unit includes for realizing the plug-in unit of intelligent distribution transformer terminals basic function, expanding element slot on the expanding element supports different types of expansion plugin, the scalability of device is not only increased in this way, additionally it is possible to the update and reinforcing of intelligent distribution transformer terminals function are completed by simple software upgrading and plug-in unit replacement.
Description
Technical field
The present invention relates to power grid control fields, and in particular to a kind of intelligent distribution transformer terminals suitable for rural power grids.
Background technique
Power distribution station is the separation of low-voltage network Yu user's power distribution network, have dispersion, location ambient conditions it is changeable,
Broad covered area, user is numerous, is installed on the features such as open air, and the quality of power distribution station operating condition directly influences numerous users
The quality of power quality needs to reinforce to monitor distribute-electricity transformer district in real time, grasps and regulate and control the operating condition of distribute-electricity transformer district in time, protect
Card distribute-electricity transformer district safety and stability is efficiently run.Especially rural power grids are using single radiativity transmission of electricity, and transmission line of electricity is long, partial line
Road is up to 20-40km, or even has the route presence up to 60km, and rural area local environment is various, this just needs to improve
The scalability of intelligent distribution transformer terminals as power distribution station control core, improves the easy to maintain of equipment.
With the development of technology and the raising of user demand level, intelligent distribution transformer terminals gradually have been assigned distribution prison
The functions such as survey, distribution transforming protection, power information acquisition, the control of reactive power compensating, three-phase imbalance and harmonic wave control, it is anticipated that in skill
In the case that art continuous advancement and the new demand of user constantly propose, intelligent distribution transformer terminals can also increase more functions.
But the structure of intelligent distribution transformer terminals is unsuitable for being extended in the prior art, firstly, existing intelligence distribution transforming is whole
Hold extended resources less, it is difficult to extend a large amount of functions；If secondly to carry out upgrading update to existing intelligent distribution transformer terminals, need
It redesigned, be opened and manufactured.
Summary of the invention
The object of the present invention is to provide a kind of intelligent distribution transformer terminals suitable for rural power grids, whole to solve intelligent distribution transforming
The problem for holding scalability low.
To achieve the above object, the solution of the present invention includes a kind of intelligent distribution transformer terminals suitable for rural power grids, including
Basic unit and expanding element two parts, the basic unit include that basic unit connecting plate and at least one basic function are inserted
Part, the basic function plug-in unit are plugged on basic unit connecting plate；The expanding element includes expanding element connecting plate and extremely
A few expansion plugin interface, the expansion plugin interface is for connecting expansion plugin；The basic unit connecting plate with it is described
Communication harness is connected between expanding element connecting plate.
Further, the communication harness is RS485 bus.
Further, the intelligent distribution transformer terminals further include expansion plugin, and it is single that the expansion plugin is plugged on the extension
On expansion plugin interface on first connecting plate.
Further, the expansion plugin is the plug-in unit with independent core processor.
Further, the expansion plugin is distinguished by different identification of function codes.
Further, the expansion plugin include the control of reactive power compensating plug-in unit, reactive compensation coordinated control plug-in unit, three-phase not
Balance administers plug-in unit and/or automatic capacity regulating voltage adjusting controls plug-in unit.
Further, the control of reactive power compensating plug-in unit is used to run number according to the power distribution station of intelligent distribution transformer terminals handset
According to there are reactive compensation notches, which intelligent distribution transformer terminals handset for power distribution station where determining which intelligent distribution transformer terminals handset
The place power distribution station reactive requirement amount total in the presence of reactive compensation remaining more than needed and reactive compensation coordination area.
Further, the basic unit be used for acquire power distribution station electric current and voltage, to the power distribution station carry out
It condition monitoring and protection and is communicated with background system and other intelligent distribution transformer terminals.
Further, the basic unit includes power insert, CPU card, communication plug-in unit, measure plug-in, input and output
Plug-in unit and human-computer interaction plug-in unit.
Further, the CPU card includes microprocessor and Complex Programmable Logic Devices, the CPU card and its
The input and output of its plug-in unit are regulated and controled by the Complex Programmable Logic Devices.
The invention has the benefit that setting basic unit and expanding element two parts, the basic unit includes being used for
Realize that the plug-in unit of intelligent distribution transformer terminals basic function, the expanding element slot on the expanding element support different types of extension
Plug-in unit not only increases the scalability of device in this way, additionally it is possible to complete intelligence by simple software upgrading and plug-in unit replacement
The update and reinforcing of distribution transformer terminals function.
Detailed description of the invention
Fig. 1 is a kind of hardware connection figure of the intelligent distribution transformer terminals suitable for rural power grids of the present invention.
Specific embodiment
As shown in Figure 1, intelligent distribution transformer terminals are made of basic unit, expanding element two large divisions.Basic unit is intelligence
Distribution transformer terminals core, basic unit include basic unit connecting plate, and various plug-in units are connected on basic unit connecting plate, packet
Include power insert, CPU card, communication plug-in unit, measure plug-in, input and output plug-in unit and human-computer interaction plug-in unit.Basic unit is used to
Realize the basic function of intelligent distribution transformer terminals, for completing the electric current and voltage of acquisition power distribution station, intelligent distribution transformer terminals are with after
Platform system and other terminal equipment in communication complete condition monitoring and the protection of power distribution station.
CPU card includes ARM and CPLD (Complex Programmable Logic Device, complex programmable logic
Device) module, CPU card exchanges to be regulated and controled by CPLD module completely with the input and output of other plug-in units.Basic unit connects
Plug number, type on fishplate bar can be selected according to concrete engineering demand.
Expanding element includes expanding element connecting plate, and expanding element connecting plate is equipped with to be inserted for connecting different type extension
The interface of part.Expansion plugin can select the control of reactive power compensating plug-in unit, reactive compensation coordinated control plug-in unit, three-phase according to actual needs
Imbalance administers plug-in unit, automatic capacity regulating voltage adjusting control plug-in unit etc., since the function of reactive compensation coordinated control plug-in unit needs largely
Calculating, therefore its processing unit use DSP；Expansion plugin all has independent core processing unit, can independent operating, it is different
Expansion plugin distinguished by identification of function code.It can also be developed according to technology and new expansion plugin is researched and developed in user demand, expanded
The replacement of exhibition unit plug-in unit does not influence the function of basic unit, for expansion plugin out newly developed, need to only update in CPU card
Software program.It is connected in such a way that RS485 is communicated between expanding element and basic unit.
Specific embodiment of the present invention is presented above, a kind of intelligence suitable for rural power grids of offer is provided
Distribution transformer terminals, including basic unit and expanding element two parts, enhance the scalability of device, device can be made to pass through simple
Software upgrading and plug-in unit replacement complete function renewal and reinforcing.
But the present invention is not limited to described embodiment, for example, plug number in basic unit and expanding element or
The change of communication modes, the technical solution formed in this way are pair between the variation or basic unit and expanding element of person's type
Above-described embodiment, which is finely adjusted, to be formed, and this technical solution still falls in protection scope of the present invention.
Claims (10)
1. a kind of intelligent distribution transformer terminals suitable for rural power grids, it is characterised in that: including basic unit and expanding element two
Point, the basic unit includes basic unit connecting plate and at least one basic function plug-in unit, the basic function plug-in unit grafting
On basic unit connecting plate；The expanding element includes expanding element connecting plate and at least one expansion plugin interface, described
Expansion plugin interface is for connecting expansion plugin；It is connected between the basic unit connecting plate and the expanding element connecting plate
Communicate harness.
2. a kind of intelligent distribution transformer terminals suitable for rural power grids according to claim 1, it is characterised in that: the communication line
Beam is RS485 bus.
3. a kind of intelligent distribution transformer terminals suitable for rural power grids according to claim 1 or claim 2, it is characterised in that: further
Including expansion plugin, the expansion plugin is plugged on the expansion plugin interface on the expanding element connecting plate.
4. according to a kind of intelligent distribution transformer terminals suitable for rural power grids as claimed in claim 3, it is characterised in that: the extension
Plug-in unit is the plug-in unit with independent core processor.
5. a kind of intelligent distribution transformer terminals suitable for rural power grids according to claim 3, it is characterised in that: the extension is inserted
Part is distinguished by different identification of function codes.
6. a kind of intelligent distribution transformer terminals suitable for rural power grids according to claim 3, it is characterised in that: the extension is inserted
Part includes the control of reactive power compensating plug-in unit, reactive compensation coordinated control plug-in unit, three-phase imbalance improvement plug-in unit and/or automatic capacity transfer tune
Voltage-controlled plug-in unit processed.
7. a kind of intelligent distribution transformer terminals suitable for rural power grids according to claim 6, it is characterised in that: the idle benefit
Control plug-in unit is repaid for the power distribution station operation data according to intelligent distribution transformer terminals handset, which intelligent distribution transformer terminals handset determined
There are power distribution stations where reactive compensation notch, which intelligent distribution transformer terminals handset there is reactive compensation more than needed for place power distribution station
Remaining and the total reactive requirement amount of reactive compensation coordination area.
8. a kind of intelligent distribution transformer terminals suitable for rural power grids according to claim 1, it is characterised in that: described substantially single
First electric current and voltage for acquiring power distribution station carries out condition monitoring and protection to the power distribution station and is with backstage
System and other intelligent distribution transformer terminals are communicated.
9. a kind of intelligent distribution transformer terminals suitable for rural power grids according to claim 1, it is characterised in that: described substantially single
Member includes power insert, CPU card, communication plug-in unit, measure plug-in, input and output plug-in unit and human-computer interaction plug-in unit.
10. a kind of intelligent distribution transformer terminals suitable for rural power grids according to claim 9, it is characterised in that: the CPU is inserted
Part includes microprocessor and Complex Programmable Logic Devices, and the input and output of the CPU card and other plug-in units pass through described multiple
Miscellaneous programmable logic device is regulated and controled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515089.9A CN109217462A (en) | 2017-06-29 | 2017-06-29 | A kind of intelligent distribution transformer terminals suitable for rural power grids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515089.9A CN109217462A (en) | 2017-06-29 | 2017-06-29 | A kind of intelligent distribution transformer terminals suitable for rural power grids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109217462A true CN109217462A (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710515089.9A Pending CN109217462A (en) | 2017-06-29 | 2017-06-29 | A kind of intelligent distribution transformer terminals suitable for rural power grids |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564902A (en) * | 2020-05-08 | 2020-08-21 | 南方电网科学研究院有限责任公司 | Intelligent measurement terminal for power Internet of things |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090326731A1 (en) * | 2008-06-30 | 2009-12-31 | Richard James Bowdry | Distributed Intelligent Remote Terminal Units |
| CN102738894A (en) * | 2012-06-06 | 2012-10-17 | 中国电力科学研究院 | Modularized intelligent power distribution terminal based on bus port |
| CN203352295U (en) * | 2013-07-22 | 2013-12-18 | 国家电网公司 | Intelligent terminal of rural network direct distribution station |
| CN103887885A (en) * | 2014-04-09 | 2014-06-25 | 国家电网公司 | 35 kV integrated intelligent substation |
| CN104332960A (en) * | 2014-10-31 | 2015-02-04 | 南京因泰莱电器股份有限公司 | Intelligent arc light protecting system |
-
2017
- 2017-06-29 CN CN201710515089.9A patent/CN109217462A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090326731A1 (en) * | 2008-06-30 | 2009-12-31 | Richard James Bowdry | Distributed Intelligent Remote Terminal Units |
| CN102738894A (en) * | 2012-06-06 | 2012-10-17 | 中国电力科学研究院 | Modularized intelligent power distribution terminal based on bus port |
| CN203352295U (en) * | 2013-07-22 | 2013-12-18 | 国家电网公司 | Intelligent terminal of rural network direct distribution station |
| CN103887885A (en) * | 2014-04-09 | 2014-06-25 | 国家电网公司 | 35 kV integrated intelligent substation |
| CN104332960A (en) * | 2014-10-31 | 2015-02-04 | 南京因泰莱电器股份有限公司 | Intelligent arc light protecting system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564902A (en) * | 2020-05-08 | 2020-08-21 | 南方电网科学研究院有限责任公司 | Intelligent measurement terminal for power Internet of things |
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Application publication date: 20190115 |