CN102468688A - Economical operation automatic control system and method of distribution transformer - Google Patents
Economical operation automatic control system and method of distribution transformer Download PDFInfo
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- CN102468688A CN102468688A CN2010105469629A CN201010546962A CN102468688A CN 102468688 A CN102468688 A CN 102468688A CN 2010105469629 A CN2010105469629 A CN 2010105469629A CN 201010546962 A CN201010546962 A CN 201010546962A CN 102468688 A CN102468688 A CN 102468688A
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Abstract
The invention discloses an economical operation automatic control method of a distribution transformer. The method comprises the following steps of: (1) a measuring control terminal measures the related data amount of the high and low voltage side ends of the distribution transformer and a 400 V coupler, and transmits the measured data to a monitoring host through a communication managing machine; (2) the monitoring host records the operation condition of the distribution transformer and saves all the history data; (3) the monitoring host combines an economical operation strategy according to a collected electricity load to make an operation plan and switch the distribution transformer. The control method can overcome the manual operation high consumption operation mode of prior art and achieve the aim of economical operation. The invention further provides a control system applying the economical operation automatic control method of the distribution transformer.
Description
Technical field
The invention belongs to field of power system control, particularly a kind of economical operation of low voltage distribution transformer management autocontrol method and system.
Background technology
The current urban cells construction of China is swift and violent; The supervisory control system of power distribution network is progressively perfect technically; At present built monitoring system for power distribution networks in the residential quarters of some condition comparative maturities; But also do not have to be directed against specially at present the economical operation system of power distribution room, make residential quarters be in the state of low load running for a long time, waste huge.
Power supply department takes the distribution transformer warm standby mode still more at present, and no-load loss is huge; Basically take seasonality to control mode manually to the management of distribution transforming; Because workload is big; Usually can not carry out switching timely and effectively; Can cause transformer running overload or low power run, transformer generation infringement or long-term no-load running are caused great waste of energy, the economical operation managerial skills are lower.
In view of aforementioned analysis, the inventor proposes a kind of operation control idea to power distribution room, realizes the economical operation of distribution transformer, reduces waste of energy, improves the effective rate of utilization of electric energy.
Summary of the invention
Technical problem to be solved by this invention is defective and the deficiency to the above-mentioned background technology; A kind of distribution transformer economical operation automatic control system and method are provided; It can overcome the high consumption of existing distribution transformer manual operation operational mode, reaches the purpose of economical operation.
The present invention is for solving the problems of the technologies described above, and the technical scheme of employing is:
A kind of distribution transformer economical operation automatic control system comprises a monitoring host computer, at least one communication processor and at least one detection and control terminal; Wherein, detection and control terminal is distributed setting, and each detection and control terminal is measured distribution transformer high and low pressure side two ends parallel with one another and the female related data amount that joins of 400V respectively; Each communication processor all connects all detection and control terminals through fieldbus, and each communication processor also is connected to monitoring host computer, receives the data volume of each detection and control terminal and is uploaded to monitoring host computer; Monitoring host computer receives and preserves the aforementioned data amount, and the switching of control distribution transformer.
Above-mentioned automatic control system comprises two communication processors, connects all detection and control terminals through fieldbus respectively.
A kind of distribution transformer economical operation autocontrol method comprises the steps:
(1) detection and control terminal is measured distribution transformer high and low pressure side two ends and the female related data amount that joins of 400V, and data measured is uploaded to monitoring host computer through communication processor;
(2) operating condition of monitoring host computer record distribution transformer, and preserve all historical datas;
(3) monitoring host computer in conjunction with set economic operation strategy, is formulated operating scheme, the switching distribution transformer according to the power load of gathering.
In the above-mentioned steps (3), described economic operation strategy is meant:
(31) the initialization system quantity of state reads relevant historical data;
(32) judge the long-time off-duty of certain transformer, switch to this transformer operation;
(33) average load is continuously greater than 70%, and is continuous more than 15 days the time, increases and throws the transformer operation;
(34) peak load is continuously greater than 90%, and continuous 30 minutes, and during distribution transforming alarm junction closure, increase immediately and throw the transformer operation;
(35) maximum load current is less than rated current, and peak load P is continuously less than 90%, and is continuous more than 15 days the time, the transformer that goes down operation.
After adopting such scheme, the present invention formulates economic operation strategy, can solve the 10kV/400V distribution transformer automatically and efficiently and change the switching problem that causes owing to seaonal load; When underrun, use the separate unit distribution transformer, when load is increased to a certain degree, the distribution transformer of increasing input automatically again; Change the quantity of the distribution transformer that puts into operation according to actual load; Thereby electric energy is farthest utilized, improve effective rate of utilization, reduce waste of energy.
In addition; When distribution transformer separates independent operating, carelessness also possibly occur, forget the situation of breaking off bus connection switch and causing operation with closed ring because of the operations staff; Bring hidden danger for the relaying protection and the safe operation of electric power system, so can also the increase electric power safe running performance of system of the present invention.
Description of drawings
Fig. 1 is a flow chart of the present invention;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is the wiring schematic diagram of transformer among the present invention.
Embodiment
Below will combine accompanying drawing and specific embodiment, the course of work of the present invention and beneficial effect will be elaborated.
Usually in power distribution room; Use two or three station power distribution transformers to carry out parallel connection; According to selecting all operations season or only moving one or two; In the present embodiment, be that example describes with two station power distribution transformers connected in parallel, the situation of three or more parallel connections can derive according to the thought of present embodiment.
At first with reference to shown in Figure 2; The present invention provides a kind of distribution transformer economical operation automatic control system; Comprise a monitoring host computer 1, at least one communication processor 2 and at least one detection and control terminal 3; Wherein, all detection and control terminals 3 are distributed setting, and each detection and control terminal 3 is respectively applied for distribution transformer 4 high and low pressure side two ends parallel with one another and the female related data amount that joins of 400V measured; And all detection and control terminals 3 also are connected to communication processor 2 through fieldbus, in order to the aforementioned data amount is sent into communication processor 2; Be provided with two communication processors 2 in the present embodiment, when wherein a certain communication processor 2 broke down, another communication processor 2 still can continue to use, and guarantees the stable operation of control system like this; And each communication processor 2 all connects all detection and control terminals 3 through fieldbus, and all communication processors 2 all are connected to monitoring host computer 1, and detection and control terminal 3 data measured are uploaded to monitoring host computer 1; The switching of monitoring host computer 1 control distribution transformer 4 carries out the switching action according to detection and control terminal 3 data measured.
Need to prove that among Fig. 2 and the instance of not shown transformer, the concrete wiring of transformer 4 can cooperate shown in Figure 3.
As shown in Figure 1, be to the present invention is based on a kind of distribution transformer economical operation autocontrol method that aforementioned distribution transformer economical operation automatic control system is provided, comprise the steps:
(1) cooperation is shown in Figure 2; The female related data amount (specifically being meant the running status contact output variable of real-time load current, voltage, power, electricity and transformer) that joins of 3 pairs of distribution transformers of all detection and control terminals, 4 high and low pressure side two ends and 400V is measured, and data measured is uploaded to monitoring host computer 1 through communication processor 2; Wherein, all is furnished with corresponding detection and control terminal 3, in order to information such as the relevant analog quantity of real-time collection, switching values at distribution transformer 4 high and low pressure sides and female the couplet;
(2) operating condition of monitoring host computer 1 record distribution transformer 4, and preserve all historical datas;
(3) monitoring host computer 1 in conjunction with set economic operation strategy, is formulated operating scheme according to the power load of gathering, and switching distribution transformer 4 to reduce the loss of distribution transformer 4, reaches the purpose of economical operation.
In step (3), described economic operation strategy specifically is meant:
(31) the initialization system quantity of state reads relevant historical data, specifically is meant maximum, minimum, average load value of historical each stage, power, electricity, running status switching value;
(32) when the position of the switch of certain transformer contact is the branch position, judge the long-time off-duty of this transformer, then switch to this transformer operation;
(33) average load is continuously greater than 70%, and is continuous more than 15 days the time, increases and throws the transformer operation;
(34) peak load is continuously greater than 90%, and continuous 30 minutes, and during distribution transforming alarm junction closure, increase immediately and throw the transformer operation;
(35) maximum load current is less than rated current, and peak load P is continuously less than 90%, and is continuous more than 15 days the time, the transformer that goes down operation.
Need to prove, relevant parameters such as data that adopt in the above-mentioned steps and time can be according to the property difference of distribution transformer and flexibly adjustment set, to adapt to the needs of different situations.
Above embodiment is merely explanation technological thought of the present invention, can not limit protection scope of the present invention with this, all technological thoughts that proposes according to the present invention, and any change of on the technical scheme basis, being done all falls within the protection range of the present invention.
Claims (4)
1. a distribution transformer economical operation automatic control system is characterized in that: comprise a monitoring host computer, at least one communication processor and at least one detection and control terminal; Wherein, detection and control terminal is distributed setting, and each detection and control terminal is measured distribution transformer high and low pressure side two ends parallel with one another and the female related data amount that joins of 400V respectively; Each communication processor all connects all detection and control terminals through fieldbus, and each communication processor also is connected to monitoring host computer, receives the data volume of each detection and control terminal and is uploaded to monitoring host computer; Monitoring host computer receives and preserves the aforementioned data amount, and the switching of control distribution transformer.
2. distribution transformer economical operation automatic control system as claimed in claim 1 is characterized in that: said automatic control system comprises two communication processors, connects all detection and control terminals through fieldbus respectively.
3. the control method based on distribution transformer economical operation automatic control system as claimed in claim 1 is characterized in that comprising the steps:
(1) detection and control terminal is measured distribution transformer high and low pressure side two ends and the female related data amount that joins of 400V, and data measured is uploaded to monitoring host computer through communication processor;
(2) operating condition of monitoring host computer record distribution transformer, and preserve all historical datas;
(3) monitoring host computer in conjunction with set economic operation strategy, is formulated operating scheme, the switching distribution transformer according to the power load of gathering.
4. distribution transformer economical operation autocontrol method as claimed in claim 3 is characterized in that: in the said step (3), described economic operation strategy is meant:
(31) the initialization system quantity of state reads relevant historical data;
(32) judge the long-time off-duty of certain transformer, switch to this transformer operation;
(33) average load is continuously greater than 70%, and is continuous more than 15 days the time, increases and throws the transformer operation;
(34) peak load is continuously greater than 90%, and continuous 30 minutes, and during distribution transforming alarm junction closure, increase immediately and throw the transformer operation;
(35) maximum load current is less than rated current, and peak load P is continuously less than 90%, and is continuous more than 15 days the time, the transformer that goes down operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105469629A CN102468688A (en) | 2010-11-17 | 2010-11-17 | Economical operation automatic control system and method of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105469629A CN102468688A (en) | 2010-11-17 | 2010-11-17 | Economical operation automatic control system and method of distribution transformer |
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| Publication Number | Publication Date |
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| CN102468688A true CN102468688A (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105469629A Pending CN102468688A (en) | 2010-11-17 | 2010-11-17 | Economical operation automatic control system and method of distribution transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708317A (en) * | 2020-06-18 | 2020-09-25 | 西安西变组件有限公司 | Transformer control method, device and system, storage medium and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001264356A (en) * | 2000-03-17 | 2001-09-26 | Hitachi Ltd | Monitoring system |
| CN101110525A (en) * | 2006-07-18 | 2008-01-23 | 广州南方电力集团科技发展有限公司 | Distributing transformer monitoring terminal set and use thereof |
| CN101425687A (en) * | 2008-07-03 | 2009-05-06 | 重庆大学 | Automatic control method for transformer economic operation and standby automatic throwing integrated apparatus |
| CN201294482Y (en) * | 2008-11-03 | 2009-08-19 | 重庆市电力公司城区供电局 | Economic operation intelligent control device for distribution transformer |
| CN201541148U (en) * | 2009-05-18 | 2010-08-04 | 上海资和通信科技有限公司 | Electric load remote monitoring system |
-
2010
- 2010-11-17 CN CN2010105469629A patent/CN102468688A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001264356A (en) * | 2000-03-17 | 2001-09-26 | Hitachi Ltd | Monitoring system |
| CN101110525A (en) * | 2006-07-18 | 2008-01-23 | 广州南方电力集团科技发展有限公司 | Distributing transformer monitoring terminal set and use thereof |
| CN101425687A (en) * | 2008-07-03 | 2009-05-06 | 重庆大学 | Automatic control method for transformer economic operation and standby automatic throwing integrated apparatus |
| CN201294482Y (en) * | 2008-11-03 | 2009-08-19 | 重庆市电力公司城区供电局 | Economic operation intelligent control device for distribution transformer |
| CN201541148U (en) * | 2009-05-18 | 2010-08-04 | 上海资和通信科技有限公司 | Electric load remote monitoring system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708317A (en) * | 2020-06-18 | 2020-09-25 | 西安西变组件有限公司 | Transformer control method, device and system, storage medium and electronic equipment |
| CN111708317B (en) * | 2020-06-18 | 2022-02-01 | 西安西变组件有限公司 | Transformer control method, device and system, storage medium and electronic equipment |
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Application publication date: 20120523 |