CN106208047A - A kind of electrical network unit output method of adjustment considering energy-saving and emission-reduction benefit - Google Patents
A kind of electrical network unit output method of adjustment considering energy-saving and emission-reduction benefit Download PDFInfo
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- CN106208047A CN106208047A CN201610650417.1A CN201610650417A CN106208047A CN 106208047 A CN106208047 A CN 106208047A CN 201610650417 A CN201610650417 A CN 201610650417A CN 106208047 A CN106208047 A CN 106208047A
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- 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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
A kind of electrical network unit output method of adjustment considering energy-saving and emission-reduction benefit.It includes utilizing weighting factor method that local unit is ranked up numbering；Mark Iter=0 of sub area division is set；Make Iter=Iter+1；Judge to identify the sub area division number Itermax whether Iter provides more than operation of power networks department；All units in the sub area division being designated Iter are constituted a set；Choose the maximum unit of numbering；Load flow calculation instrument BPA is utilized to calculate electric network swim；Judge whether the unit output numbering maximum in Iter sub area division unit set is 0；Choose the unit numbering maximum in Iter sub area division unit set, this unit output is set and exerts oneself at present the steps such as 5 percent plus this unit rated capacity equal to this unit；The present invention can effectively reduce local unit discharge, reduces environmental pollution, and the operation of urban distribution network grown with each passing day for current environmental protection pressure provides helpful reference.
Description
Technical field
The invention belongs to electric power system dispatching running technology field, particularly relate to a kind of electricity considering energy-saving and emission-reduction benefit
Net unit output method of adjustment.
Background technology
In recent years, the environmental problem of some urban areas of China is constantly aggravated, and haze weather is day by day serious, in the urgent need to turning
Become energy development mode, adjust energy production structure.Reduce consumption of coal proportion, greatly develop clean energy resource, optimize power supply knot
Structure and layout, improve the Critical policies being subject to electricity ratio to be improvement haze outside the receiving end electrical network of city.It addition, go out formulating local unit
During power strategy, also should take into full account the energy-output ratio under local unit unit quantity of electricity, emission behaviour etc..Therefore, for the most slow
Solve urban area environmental problem, first should fully improve external electric power ratio, secondly reduce local unit discharge.I.e. should ensure
On the premise of urban distribution network safe and stable operation, take into full account the situations such as local unit primary energy consumption, discharge, formulate this locality
Unit output adjustable strategies so that discharge accepting the maximized this locality unit that reduces of external electric power simultaneously as far as possible, alleviate city
Environment and haze problem.But, there is no a kind of general urban distribution network this locality unit output considering energy-saving and emission-reduction benefit at present
Method of adjustment.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of electrical network unit considering energy-saving and emission-reduction benefit and go out
Power method of adjustment.
In order to achieve the above object, the electrical network unit output method of adjustment bag considering energy-saving and emission-reduction benefit that the present invention provides
Include the following step performed in order:
Step 1) according to the primary energy consumption amount under certain urban distribution network this locality unit unit quantity of electricity, carbon emission amount, utilize
Weighting factor method is ranked up numbering to local unit；
Step 2) mark Iter=0 of sub area division is set；
Step 3) make Iter=Iter+1；
Step 4) judge to identify the sub area division number Itermax whether Iter provides more than operation of power networks department, the most then
Enter step 10), this flow process so far terminates, and otherwise enters step 5)；The sub area division number that wherein operation of power networks department provides
The numerical value of Itermax is to be computed analyzing grid short circuit level by operation of power networks department to determine；
Step 5) all units in the sub area division being designated Iter are constituted a set, referred to as Iter electrical network divides
District's unit set, and arrange all units in Iter sub area division unit set all overfill power run；
Step 6) choose the unit numbering maximum in Iter sub area division unit set, and this unit output is set equal to being somebody's turn to do
Unit is exerted oneself at present and is deducted 5 the percent of this unit rated capacity；
Step 7) utilize Load flow calculation instrument BPA to calculate electric network swim, to judge whether to be designated the sub area division of Iter
Meet " N-1 " verification, the most then enter step 8), otherwise enter step 9)；
Step 8) judge whether the unit output numbering maximum in Iter sub area division unit set is 0, the most then should
Unit is rejected from Iter sub area division unit set, then proceeds to step 6), the most directly proceed to step 6)；
Step 9) choose the unit numbering maximum in Iter sub area division unit set, this unit output is set equal to this machine
Organize 5 percent plus this unit rated capacity of exerting oneself at present, then proceed to step 3)；
Step 10) terminate.
In step 1) in, described weighting factor method refers to the primary energy consumption amount under unit unit quantity of electricity, carbon row
High-volume weight is disposed as 0.5, and weighted sum obtains the comprehensive weight result of each unit, according to comprehensive weight result, to respectively
Unit starts number consecutively, the unit that comprehensive weight result is the biggest, numbers the biggest, represents unit energy-saving and emission-reduction benefit the poorest.
In step 7) in, described meet arbitrary electromotor that " N-1 " verification refers to be designated in the sub area division of Iter,
When circuit or main transformer fault-free disconnect, the stable operation of electrical network can be kept, and do not cause other element to exceed the accident mistake of regulation
Load and the requirement of voltage tolerance.
The beneficial effect of the electrical network unit output method of adjustment considering energy-saving and emission-reduction benefit that the present invention provides:
Compared with prior art, the present invention by maximized reduction unit output to obtain maximum external electric power ratio
Example, has simultaneously taken into full account unit energy-saving and emission-reduction benefit when reducing unit output, formulated can quantify, the unit easily implemented goes out
Power adjustable strategies.This unit output adjustable strategies can effectively reduce local unit discharge, reduces environmental pollution, for current environmental protection
The operation of urban distribution network that pressure grows with each passing day provides helpful reference.
Accompanying drawing explanation
The flow chart of the electrical network unit output method of adjustment considering energy-saving and emission-reduction benefit that Fig. 1 provides for the present invention.
Detailed description of the invention
With specific embodiment offer of the present invention considered the electrical network unit output of energy-saving and emission-reduction benefit below in conjunction with the accompanying drawings
Method of adjustment is described in detail.
As it is shown in figure 1, the electrical network unit output method of adjustment considering energy-saving and emission-reduction benefit that the present invention provides includes by suitable
The following step that sequence performs:
Step 1) according to the primary energy consumption amount under certain urban distribution network this locality unit unit quantity of electricity, carbon emission amount, utilize
Weighting factor method is ranked up numbering to local unit；
Step 2) mark Iter=0 of sub area division is set；
Step 3) make Iter=Iter+1；
Step 4) judge to identify the sub area division number Itermax whether Iter provides more than operation of power networks department, the most then
Enter step 10), this flow process so far terminates, and otherwise enters step 5)；The sub area division number that wherein operation of power networks department provides
The numerical value of Itermax is to be computed analyzing grid short circuit level by operation of power networks department to determine；
Step 5) all units in the sub area division being designated Iter are constituted a set, referred to as Iter electrical network divides
District's unit set, and arrange all units in Iter sub area division unit set all overfill power run；
Step 6) choose the unit numbering maximum in Iter sub area division unit set, and this unit output is set equal to being somebody's turn to do
Unit is exerted oneself at present and is deducted 5 the percent of this unit rated capacity；
Step 7) utilize Load flow calculation instrument BPA to calculate electric network swim, to judge whether to be designated the sub area division of Iter
Meet " N-1 " verification, the most then enter step 8), otherwise enter step 9)；
Step 8) judge whether the unit output numbering maximum in Iter sub area division unit set is 0, the most then should
Unit is rejected from Iter sub area division unit set, then proceeds to step 6), the most directly proceed to step 6)；
Step 9) choose the unit numbering maximum in Iter sub area division unit set, this unit output is set equal to this machine
Organize 5 percent plus this unit rated capacity of exerting oneself at present, then proceed to step 3)；
Step 10) terminate.
In step 1) in, described weighting factor method refers to the primary energy consumption amount under unit unit quantity of electricity, carbon row
High-volume weight is disposed as 0.5, and weighted sum obtains the comprehensive weight result of each unit, according to comprehensive weight result, to respectively
Unit starts number consecutively, the unit that comprehensive weight result is the biggest, numbers the biggest, represents unit energy-saving and emission-reduction benefit the poorest.
In step 7) in, described meet arbitrary electromotor that " N-1 " verification refers to be designated in the sub area division of Iter,
When circuit or main transformer fault-free disconnect, the stable operation of electrical network can be kept, and do not cause other element to exceed the accident mistake of regulation
Load and the requirement of voltage tolerance.
The present invention is ensureing on the premise of power network safety operation, the external electric power of the most maximized receiving, a side
Face takes into full account the energy-output ratio under the unit unit quantity of electricity of urban distribution network this locality, emission behaviour etc., reduces local unit discharge,
Formulate a kind of urban distribution network this locality unit output adjustable strategies considering energy-saving and emission-reduction benefit.The unit output that this invention is formulated
Adjustable strategies, is conducive to alleviating urban area environment and increasingly sharpens and haze weather problem, provide for urban distribution network unit operation
Helpful reference.
As it will be easily appreciated by one skilled in the art that and the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, all should comprise
Within protection scope of the present invention.
Claims (3)
1. the electrical network unit output method of adjustment considering energy-saving and emission-reduction benefit, it is characterised in that: described consideration is energy-conservation to be subtracted
The electrical network unit output method of adjustment of row's benefit includes the following step of performing in order:
Step 1) according to the primary energy consumption amount under certain urban distribution network this locality unit unit quantity of electricity, carbon emission amount, utilize weighting
Y-factor method Y is ranked up numbering to local unit；
Step 2) mark Iter=0 of sub area division is set；
Step 3) make Iter=Iter+1；
Step 4) judge to identify the sub area division number Itermax whether Iter provides more than operation of power networks department, the most then enter
Step 10), this flow process so far terminates, and otherwise enters step 5)；The sub area division number Itermax that wherein operation of power networks department provides
Numerical value be by operation of power networks department be computed analyze grid short circuit level determine；
Step 5) all units in the sub area division being designated Iter are constituted a set, referred to as Iter sub area division machine
Group set, and arrange all units in Iter sub area division unit set all overfill power run；
Step 6) choose the unit numbering maximum in Iter sub area division unit set, and this unit output is set equal to this unit
Exert oneself at present and deduct 5 the percent of this unit rated capacity；
Step 7) utilize Load flow calculation instrument BPA to calculate electric network swim, to judge whether the sub area division being designated Iter meets
" N-1 " verifies, the most then enter step 8), otherwise enter step 9)；
Step 8) judge whether the unit output numbering maximum in Iter sub area division unit set is 0, the most then by this unit
Reject from Iter sub area division unit set, then proceed to step 6), the most directly proceed to step 6)；
Step 9) choose the unit numbering maximum in Iter sub area division unit set, this unit output is set equal to this unit mesh
Before exert oneself 5 percent plus this unit rated capacity, then proceed to step 3)；
Step 10) terminate.
The electrical network unit output method of adjustment of consideration energy-saving and emission-reduction benefit the most according to claim 1, it is characterised in that:
Step 1) in, described weighting factor method refers to equal to the primary energy consumption amount under unit unit quantity of electricity, carbon emission amount weight
It is set to 0.5, and weighted sum obtains the comprehensive weight result of each unit, according to comprehensive weight result, starts to depend on to each unit
Secondary numbering, the unit that comprehensive weight result is the biggest, number the biggest, represent unit energy-saving and emission-reduction benefit the poorest.
The electrical network unit output method of adjustment of consideration energy-saving and emission-reduction benefit the most according to claim 1, it is characterised in that:
Step 7) in, described meets arbitrary electromotor, circuit or the main transformer that " N-1 " verification refers to be designated in the sub area division of Iter
When fault-free disconnects, the stable operation of electrical network can be kept, and do not cause other element to exceed accident overload and the voltage of regulation
The requirement of tolerance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610650417.1A CN106208047B (en) | 2016-08-08 | 2016-08-08 | A kind of power grid unit output method of adjustment considering energy-saving and emission-reduction benefit |
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| CN201610650417.1A CN106208047B (en) | 2016-08-08 | 2016-08-08 | A kind of power grid unit output method of adjustment considering energy-saving and emission-reduction benefit |
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| CN106208047A true CN106208047A (en) | 2016-12-07 |
| CN106208047B CN106208047B (en) | 2018-08-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110192168A1 (en) * | 2006-10-09 | 2011-08-11 | Narendra Digamber Joshi | Method and system for reducing power plant emissions |
| CN102930351A (en) * | 2012-10-26 | 2013-02-13 | 安徽省电力公司 | Comprehensive energy-conservation optimal operation daily plan generation method |
| CN104484543A (en) * | 2014-07-10 | 2015-04-01 | 国家电网公司 | Unit comprehensive operation evaluation method taking energy saving and emission reduction and just, fair and open scheduling into consideration |
| CN105528466A (en) * | 2014-09-28 | 2016-04-27 | 国家电网公司 | Wind power optimal planning modeling method considering adaptability and economy of power system |
-
2016
- 2016-08-08 CN CN201610650417.1A patent/CN106208047B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110192168A1 (en) * | 2006-10-09 | 2011-08-11 | Narendra Digamber Joshi | Method and system for reducing power plant emissions |
| CN102930351A (en) * | 2012-10-26 | 2013-02-13 | 安徽省电力公司 | Comprehensive energy-conservation optimal operation daily plan generation method |
| CN104484543A (en) * | 2014-07-10 | 2015-04-01 | 国家电网公司 | Unit comprehensive operation evaluation method taking energy saving and emission reduction and just, fair and open scheduling into consideration |
| CN105528466A (en) * | 2014-09-28 | 2016-04-27 | 国家电网公司 | Wind power optimal planning modeling method considering adaptability and economy of power system |
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| CN106208047B (en) | 2018-08-17 |
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