CN107039983B - The addressing constant volume method and system of low-voltage circuit pressure regulator - Google Patents

The addressing constant volume method and system of low-voltage circuit pressure regulator Download PDF

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CN107039983B
CN107039983B CN201710316988.6A CN201710316988A CN107039983B CN 107039983 B CN107039983 B CN 107039983B CN 201710316988 A CN201710316988 A CN 201710316988A CN 107039983 B CN107039983 B CN 107039983B
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load
low
pressure regulator
voltage
distribution network
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CN107039983A (en
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黄向敏
江浩侠
曹琪娜
杨海鹏
李�杰
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Guangzhou City Benliu Electric Power Science & Technology Co Ltd
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Guangzhou City Benliu Electric Power Science & Technology Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load

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Abstract

The present invention relates to a kind of addressing constant volume method and systems of low-voltage circuit pressure regulator, the addressing constant volume method of above-mentioned low-voltage circuit pressure regulator includes: the low-voltage separation and distribution transformer for identifying target power distribution network, obtains the separation distance between low-voltage separation and distribution transformer;The line load type for identifying target power distribution network promotees to increase coefficient according to the load that the target power distribution network is arranged in line load type;Separation distance and the load are promoted into the installation point distance that increasing coefficient determines crimping road pressure regulator, in the infield using distribution transformer as the center of circle, using installation point distance to choose low-voltage circuit pressure regulator on the circumference of radius;To using distribution transformer as the center of circle, it is identified by the load bus except the circumference of radius of installation point distance, obtain the first selected load bus, the corresponding load total capacity of the described first selected load bus is obtained, promotees to increase the configuration capacity that coefficient determines the low-voltage circuit pressure regulator according to the load total capacity and load.

Description

The addressing constant volume method and system of low-voltage circuit pressure regulator
Technical field
The present invention relates to technical field of electric power, a kind of addressing constant volume method more particularly to low-voltage circuit pressure regulator and are System.
Background technique
With the quick raising of economic level, all kinds of electric system are universal in each area.It is relatively inclined in rural area etc. Remote area, economy are similarly obtained rapid growth, and electricity consumption is also constantly soaring.In the process of construction of electric system, construction Fund is more put on power supply and bulk transmission grid, insufficient to the attention degree of the power grid construction of the remote districts such as rural power grids, because This causes these power distribution network lagging in development from far-off regions.The characteristics of these power distribution networks from far-off regions includes more, the wide, route of point It is long, load factor is low, seasonal strong and idle deficiency etc., be easy to cause the line loss of distribution line serious, peak hours route end Hold low voltage is even out-of-limit to wait distribution problem.
In order to avoid the appearance of above-mentioned distribution problem, it usually needs low-voltage circuit pressure regulation is arranged in power distribution network from far-off regions Device carries out relatively stable improvement to supply voltage to obtain wider range of regulation.Traditional scheme is usually by power distribution network Low-voltage separation is determined as the infield of low-voltage circuit pressure regulator, and according to the empirically determined above-mentioned low-voltage circuit of related work The configuration capacity of pressure regulator;However, the pressure regulator installed and configured with this, can increase the idle damage in part of power distribution network Consumption, so that the voltage magnitude of infield is than lower, the problems such as causing the voltage of leading portion route low before access, to influence accordingly The power supply effect of power distribution network.
Summary of the invention
Based on this, it is necessary to be directed to the technical issues of traditional scheme influences corresponding power distribution network power supply effect, provide a kind of low The addressing constant volume method and system of crimping road pressure regulator.
A kind of addressing constant volume method of low-voltage circuit pressure regulator, includes the following steps:
The low-voltage separation and distribution transformer for identifying target power distribution network, obtain the low-voltage separation and distribution becomes Separation distance between depressor;
The target distribution is arranged according to the line load type in the line load type for identifying the target power distribution network The load of net promotees to increase coefficient;
The separation distance and the load are promoted into the installation point distance that increasing coefficient determines crimping road pressure regulator, to match Piezoelectric transformer is the center of circle, the infield using installation point distance to choose low-voltage circuit pressure regulator on the circumference of radius;
To using distribution transformer as the center of circle, known by the load bus except the circumference of radius of installation point distance Not, the first selected load bus, the corresponding load total capacity of the selected load bus of acquisition described first, according to the load are obtained Total capacity and load promote to increase the configuration capacity that coefficient determines the low-voltage circuit pressure regulator.
A kind of addressing constant volume system of low-voltage circuit pressure regulator, comprising:
First identification module, the low-voltage separation and distribution transformer of target power distribution network, obtain described low for identification Separation distance between voltage separation and distribution transformer;
Second identification module, the line load type of the target power distribution network for identification, according to the line load class The load that the target power distribution network is arranged in type promotees to increase coefficient;
First determining module determines crimping road pressure regulator for the separation distance and the load to be promoted increasing coefficient Installation point distance, using distribution transformer as the center of circle, using installation point distance to choose low-voltage circuit pressure regulator on the circumference of radius Infield;
Second determining module, for using distribution transformer as the center of circle, using installation point distance as the circumference of radius except Load bus identified, obtain the first selected load bus, it is total to obtain the corresponding load of the described first selected load bus Capacity promotees the configuration capacity that increasing coefficient determines the low-voltage circuit pressure regulator according to the load total capacity and load.
The addressing constant volume method and system of above-mentioned low-voltage circuit pressure regulator, can be using distribution transformer as the center of circle, with peace The infield for choosing low-voltage circuit pressure regulator on the circumference that distance is radius is decorateeed, is made low set by the above-mentioned infield Crimping road pressure regulator point increases the feelings that part reactive loss causes leading portion line node voltage to reduce after considering pressure regulator access Condition, and promote according to the voltage regulating line range of the specific electric load type of target power distribution network proper extension pressure regulator, and corresponding load Increase coefficient the infield of low-voltage circuit pressure regulator is selected in closer on the route of distribution transformer, increases low-voltage circuit tune Adjustable range of the depressor to low-voltage problem;It can also be to using distribution transformer as the center of circle, using installation point distance as radius Circumference except load bus identified, to obtain the first selected load bus, according to the above-mentioned first selected load bus Corresponding load total capacity, and corresponding load promote to increase the configuration capacity that coefficient determines low-voltage circuit pressure regulator, are conducive to fit The subsequent expansion for answering target distribution network line load avoids the pressure regulator due to caused by load growth in subsequent expanding course from overloading Make the generation for bypassing the states such as cisco unity malfunction;The power supply effect of target power distribution network can be effectively ensured.
Detailed description of the invention
Fig. 1 is the addressing constant volume method flow diagram of the low-voltage circuit pressure regulator of one embodiment;
Fig. 2 is that the load bus voltage curve of one embodiment changes schematic diagram;
Fig. 3 is that the line node V diagram after pressure regulator is installed in conventionally addressing;
Fig. 4 is the line node voltage installed after pressure regulator according to addressing constant volume method addressing of the present invention of one embodiment Schematic diagram;
Fig. 5 is the addressing constant volume system structural schematic diagram of the low-voltage circuit pressure regulator of one embodiment.
Specific embodiment
With reference to the accompanying drawing to the specific embodiment party of the addressing constant volume method and system of low-voltage circuit pressure regulator of the invention Formula is described in detail.
The addressing constant volume method flow diagram of the low-voltage circuit pressure regulator of one embodiment is shown with reference to Fig. 1, Fig. 1, including Following steps:
S10 identifies the low-voltage separation and distribution transformer of target power distribution network, obtains the low-voltage separation and match Separation distance between piezoelectric transformer;
Above-mentioned low-voltage circuit can be 380V (volt) low-voltage circuit.Target power distribution network is the distribution of the remote districts such as rural area Net, above-mentioned target power distribution network there may be the problem of include: that power grid is unstable, rack is relatively weak, and electricity consumption region area is big, become Power station is layouted less, and line powering radius is too long, and line end voltage is be easy to cause to get over lower limit;Electricity consumption amount is more, region dispersion, Family load is small and spatial and temporal distributions are uneven, causes power transmission efficiency lower, and seasonal effect is larger, peak hours terminal voltage Relatively low, line loss is serious;Power supply capacity is insufficient, and user power utilization is second-rate, and there are power surplus or vacancy;Equipment aging is tight Weight, capacity of distribution transform selection is unreasonable, consumes energy excessive, auxiliary equipment is not perfect, influences Supply Security, reliability and economy. Corresponding low-voltage circuit pressure regulator is installed in above-mentioned target power distribution network, and is configured accordingly, it can be with the presence of effectively solving it The above problem.
S20 identifies the line load type of the target power distribution network, and the target is arranged according to the line load type The load of power distribution network promotees to increase coefficient;
The line load type of target power distribution network may include residential electricity consumption type, commercial power type and mixing electricity consumption class Three kinds of type, there are its corresponding loads to promote to increase coefficient for each line load type.
The separation distance and the load are promoted the installation point distance that increasing coefficient determines crimping road pressure regulator by S30, Infield using distribution transformer as the center of circle, using installation point distance to choose low-voltage circuit pressure regulator on the circumference of radius;
Low-voltage circuit pressure regulator infield selected by above-mentioned steps has fully considered pressure regulator (low-voltage circuit pressure regulation Device) access after increase part reactive loss cause leading portion line node voltage reduce the case where, selection installation point (installation ground Point) when the voltage regulating line range of pressure regulator is appropriately extended according to specific line load type, it is negative according further to specific route The corresponding load of lotus type promotees increasing coefficient and pressure regulator installation point is selected in closer on the route of distribution transformer, increases pressure regulation Adjustable range of the device to low-voltage problem.
S40 is carried out to using distribution transformer as the center of circle by the load bus except the circumference of radius of installation point distance Identification obtains the first selected load bus, the corresponding load total capacity of the selected load bus of acquisition described first, according to described negative Lotus total capacity and load promote to increase the configuration capacity that coefficient determines the low-voltage circuit pressure regulator.
Above-mentioned steps, which have been fully considered, improves what voltage generated associated loadings after access pressure regulator in target power distribution network Promote increasing effect, the growth rate of load is judged according to different line load types, so that corresponding load be selected to promote to increase coefficient The configuration capacity of pressure regulator is calculated, the future development of line load is adapted to, avoids causing pressure regulator due to load growth The case where overload bypass cisco unity malfunction.
The addressing constant volume method of low-voltage circuit pressure regulator provided in this embodiment, can using distribution transformer as the center of circle, Infield using installation point distance to choose low-voltage circuit pressure regulator on the circumference of radius, makes set by the above-mentioned infield Low-voltage circuit pressure regulator point consider and to increase part reactive loss after pressure regulator access and lead to the reduction of leading portion line node voltage The case where, and it is negative according to the voltage regulating line range of the specific electric load type of target power distribution network proper extension pressure regulator, and accordingly Lotus promotees increasing coefficient and the infield of low-voltage circuit pressure regulator is selected in closer on the route of distribution transformer, increases low-voltage line Adjustable range of the road pressure regulator to low-voltage problem;It can also be with installation point distance to using distribution transformer as the center of circle Load bus except the circumference of radius is identified, to obtain the first selected load bus, according to the above-mentioned first selected load The corresponding load total capacity of node, and corresponding load promote to increase the configuration capacity that coefficient determines low-voltage circuit pressure regulator, favorably In the subsequent expansion for adapting to target distribution network line load, the pressure regulator due to caused by load growth in subsequent expanding course is avoided Overload makes the generation for bypassing the states such as cisco unity malfunction;The power supply effect of target power distribution network can be effectively ensured.
In one embodiment, the low-voltage separation and distribution transformer of above-mentioned identification target power distribution network, described in acquisition Separation between low-voltage separation and distribution transformer apart from the step of before can also include:
The load bus for identifying target power distribution network, obtains the load data of each load bus, between each load bus Track data;
The Load flow calculation that target power distribution network is carried out according to the load data and track data, determines mesh according to calculated result The low-voltage separation of standard configuration power grid.
Above-mentioned load data may include the data such as the corresponding load capacity of each load bus.Above-mentioned track data It may include the data such as line footpath cross-sectional sizes and the line length of target power distribution network mid & low-voltage line.
As one embodiment, the above-mentioned trend meter that target power distribution network is carried out according to the load data and track data It calculates, the process for determining the low-voltage separation of target power distribution network according to calculated result includes:
The Load flow calculation that target power distribution network is carried out according to the load data and track data, obtains each load bus Node voltage amplitude;
Recognition node voltage magnitude is less than the load bus of voltage magnitude threshold value, obtains the second selected load bus;
The second selected load bus nearest apart from distribution transformer is determined as low-voltage separation.
As one embodiment, if the low-voltage circuit is 380V low-voltage circuit, corresponding voltage magnitude threshold value is can Think 342V.
Low-voltage separation accuracy with higher determined by the present embodiment.
In one embodiment, above-mentioned that the separation distance and load rush increasing coefficient are determined into crimping road pressure regulator The process of installation point distance may include:
The separation distance and the load are promoted increasing coefficient to substitute into respectively described in the calculating of installation point distance calculation formula The installation point distance of low-voltage circuit pressure regulator;Wherein, the installation point distance calculation formula are as follows:
In formula, LaIndicate installation point distance, LdIndicate separation distance, x indicates that load promotees to increase coefficient.
The present embodiment can be more accurate the corresponding installation point distance of determination.It is fully considered with the installation addresses that this chooses Increase the case where part reactive loss causes leading portion line node voltage to reduce after pressure regulator access, in selection installation point (peace Fill address) when according to load type be appropriately extended pressure regulator voltage regulating line range, it is corresponding according to line load type Load promotees increasing coefficient and pressure regulator installation point is selected in closer on the route of distribution transformer, increases pressure regulator and asks low-voltage The adjustable range of topic.
In one embodiment, above-mentioned that the low-voltage circuit tune is determined according to the load total capacity and load rush increasing coefficient The process of the configuration capacity of depressor may include:
It is described low that the load total capacity and load rush increasing coefficient are substituted into the calculating of configuration capacity calculation formula respectively The configuration capacity of crimping road pressure regulator;Wherein, the configuration capacity calculation formula are as follows:
SN=SL*x
In formula, symbol * indicates to be multiplied, SNIndicate configuration capacity, SLIndicate load total capacity, x indicates that load promotees to increase coefficient.
Configuration capacity determined by the present embodiment has higher accuracy, improves after having fully considered pressure regulator access Voltage acts on the rush increasing that load generates, and the growth rate of load is judged according to different line load types, thus selection pair The load answered promotees to increase coefficient to be adapted to the subsequent expansion of line load to calculate the capacity that pressure regulator should configure, avoid due to Load growth causes the case where pressure regulator overload bypass cisco unity malfunction.
In one embodiment, the above-mentioned load that the target power distribution network is arranged according to the line load type promotees to increase system Several processes may include:
If the line load type is residential electricity consumption type, the load of the target power distribution network is promoted into increasing coefficient and is set as First coefficient;
If the line load type is commercial power type, the load of the target power distribution network is promoted into increasing coefficient and is set as Second coefficient;
If the line load type is mixing electricity consumption type, the load of the target power distribution network is promoted into increasing coefficient and is set as Third coefficient.
As one embodiment, above-mentioned first coefficient is 1.4, and second coefficient is 1.1, and the third coefficient is 1.3.
Load determined by the present embodiment, which promotees increasing coefficient, can sufficiently characterize corresponding low-voltage circuit feature, with higher Accuracy, and then be conducive to rise to the accuracy that low-voltage circuit pressure regulator carries out corresponding addressing constant volume.
In one embodiment, the addressing constant volume method of above-mentioned low-voltage circuit pressure regulator is applied the one of southern somewhere 380V low-voltage circuit, after contrast verification is using addressing constant volume method of the invention and traditional addressing constant volume method installation pressure regulator Voltage regulation result.
The distribution transformer total capacity of the route is 200kVA, shares 13 load points, and load capacity is total up to 57kVA, Account for the 28.5% of distribution transformer total capacity.Traditional addressing constant volume method is that pressure regulator is mounted on to the boundary of route low-voltage Point, addressing constant volume method of the invention then press above-mentioned steps S10 to step S40 progress.
Firstly, collecting the track data and load data of 380V low-voltage circuit, the trunk line length of the route is 0.8km, Line footpath cross-sectional sizes are 70mm2, 13 load bus are shared, apart from distribution transformer 0.2km, capacity is first load bus 5kVA;Subsequent 12 load bus mutual distances and capacity (meeting capacity) respectively are 0.05km, 5kVA;0.05km, 5kVA;0.05km,5kVA;0.05km,3kVA;0.05km,6kVA;0.05km,7kVA;0.05km,7kVA;0.05km,5kVA; 0.05km,3kVA;0.05km,2kVA;0.05km,2kVA;0.05km,2kVA.According to above data, Line Flow calculating is established It is as shown in Figure 2 that each load bus voltage curve situation of change is calculated in model.
#1 node is distribution transformer low-pressure side in Fig. 2, and #14 node is line end load bus.As can be seen from Figure 2, electric Node of the pressure amplitude value lower than 342V includes #10, #11, #12, #13 and #14, wherein node of the distance near distribution transformer It is #10, therefore low-voltage separation is node #10.The route starts at #10 node at distribution transformer 0.6km There is low-voltage problem, there are problems that the load capacity of low-voltage is 14kVA.If conventionally, in low-voltage separation Pressure regulator is installed, i.e., in the #10 node installation at distribution transformer 0.6km, #10 node back-end load size is 14kVA, It is 20kVA that surge capacity, which should be configured,.Line node voltage conventionally after addressing installation pressure regulator is as shown in Figure 3.
As seen from Figure 3, pressure regulator is improved using #10 node after conventional method access and back segment line voltage distribution, But due to the loss of pressure regulator itself, will cause route #9 node voltage reduces more lower limit, influences pressure regulator front end user use Electricity quality.
According to method provided by the invention, due to the existing ordinarily resident user of the line load, and there are farm fish ponds Equal three-phase loads, therefore load type is judged as mixing electricity consumption, then corresponding load promotees to increase coefficient x to be 1.3.Pressure regulator is pacified at this time It decorates apart from distribution transformer are as follows:
The installation point back-end load size is 28kVA, therefore should configure surge capacity are as follows:
SN=SL* x=40kVA.
Line node voltage after installing pressure regulator according to the method for the present invention addressing is as shown in figure 4, as shown in Figure 4, use After the method for the present invention addressing and constant volume access pressure regulator, line node voltage obtains improving more significantly, and pressure regulator leading portion More Lower Boundary will not occur in line load node, and route average voltage is more preferable than the effect of conventional method, and covers more Multi-user can more integrate the low-voltage for solving the problems, such as the route.
By the Contrast on effect of the embodiment it is found that low-voltage circuit addressing constant volume method provided by the invention is compared to tradition Pressure regulator addressing constant volume method have significant superiority.
Refering to what is shown in Fig. 5, Fig. 5 is the addressing constant volume system structural schematic diagram of the low-voltage circuit pressure regulator of one embodiment, Include:
First identification module 10, the low-voltage separation and distribution transformer of target power distribution network for identification, described in acquisition Separation distance between low-voltage separation and distribution transformer;
Above-mentioned low-voltage circuit can be 380V (volt) low-voltage circuit.Target power distribution network is the distribution of the remote districts such as rural area Net, above-mentioned target power distribution network there may be the problem of include: that power grid is unstable, rack is relatively weak, and electricity consumption region area is big, become Power station is layouted less, and line powering radius is too long, and line end voltage is be easy to cause to get over lower limit;Electricity consumption amount is more, region dispersion, Family load is small and spatial and temporal distributions are uneven, causes power transmission efficiency lower, and seasonal effect is larger, peak hours terminal voltage Relatively low, line loss is serious;Power supply capacity is insufficient, and user power utilization is second-rate, and there are power surplus or vacancy;Equipment aging is tight Weight, capacity of distribution transform selection is unreasonable, consumes energy excessive, auxiliary equipment is not perfect, influences Supply Security, reliability and economy. Corresponding low-voltage circuit pressure regulator is installed in above-mentioned target power distribution network, and is configured accordingly, it can be with the presence of effectively solving it The above problem.
Second identification module 20, the line load type of the target power distribution network for identification, according to the line load The load that the target power distribution network is arranged in type promotees to increase coefficient;
The line load type of target power distribution network may include residential electricity consumption type, commercial power type and mixing electricity consumption class Three kinds of type, there are its corresponding loads to promote to increase coefficient for each line load type.
First determining module 30 determines crimping road pressure regulator for the separation distance and the load to be promoted increasing coefficient Installation point distance, using distribution transformer as the center of circle, using installation point distance to choose low-voltage circuit pressure regulation on the circumference of radius The infield of device;
Low-voltage circuit pressure regulator infield selected by above-mentioned first determining module 30 has fully considered pressure regulator (low pressure Route pressure regulator) access after increase part reactive loss cause leading portion line node voltage reduce the case where, selection installation point The voltage regulating line range of pressure regulator is appropriately extended when (infield) according to specific line load type, according further to specific The corresponding load of line load type promotees increasing coefficient and pressure regulator installation point is selected in closer on the route of distribution transformer, increases Adjustable range of the pressure regulator to low-voltage problem.
Second determining module 40, for using distribution transformer as the center of circle, using installation point distance as the circumference of radius it Outer load bus is identified, the first selected load bus, the corresponding load of the selected load bus of acquisition described first are obtained Total capacity promotees the configuration capacity that increasing coefficient determines the low-voltage circuit pressure regulator according to the load total capacity and load.
Above-mentioned second determining module 40, which has been fully considered, improves voltage to correlation after access pressure regulator in target power distribution network The rush increasing effect that load generates, judges the growth rate of load according to different line load types, to select corresponding negative Lotus promotees to increase configuration capacity of the coefficient to calculate pressure regulator, is adapted to the future development of line load, avoids due to load growth The case where causing pressure regulator overload bypass cisco unity malfunction.
The addressing constant volume system of low-voltage circuit pressure regulator provided in this embodiment, can using distribution transformer as the center of circle, Infield using installation point distance to choose low-voltage circuit pressure regulator on the circumference of radius, makes set by the above-mentioned infield Low-voltage circuit pressure regulator point consider and to increase part reactive loss after pressure regulator access and lead to the reduction of leading portion line node voltage The case where, and it is negative according to the voltage regulating line range of the specific electric load type of target power distribution network proper extension pressure regulator, and accordingly Lotus promotees increasing coefficient and the infield of low-voltage circuit pressure regulator is selected in closer on the route of distribution transformer, increases low-voltage line Adjustable range of the road pressure regulator to low-voltage problem;It can also be with installation point distance to using distribution transformer as the center of circle Load bus except the circumference of radius is identified, to obtain the first selected load bus, according to the above-mentioned first selected load The corresponding load total capacity of node, and corresponding load promote to increase the configuration capacity that coefficient determines low-voltage circuit pressure regulator, favorably In the subsequent expansion for adapting to target distribution network line load, the pressure regulator due to caused by load growth in subsequent expanding course is avoided Overload makes the generation for bypassing the states such as cisco unity malfunction;The power supply effect of target power distribution network can be effectively ensured.
In one embodiment, the addressing constant volume system of above-mentioned low-voltage circuit pressure regulator can also include:
Third identification module, the load bus of target power distribution network, obtains the load data of each load bus for identification, Track data between each load bus;
Third determining module, for carrying out the Load flow calculation of target power distribution network according to the load data and track data, The low-voltage separation of target power distribution network is determined according to calculated result.
The addressing constant volume system of low-voltage circuit pressure regulator provided by the invention and low-voltage circuit pressure regulator provided by the invention Addressing constant volume method correspond, it is special in the technology that the embodiment of the addressing constant volume method of the low-voltage circuit pressure regulator illustrates It levies and its advantages is suitable for the embodiment of the addressing constant volume system of low-voltage circuit pressure regulator, hereby give notice that.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (12)

1. a kind of addressing constant volume method of low-voltage circuit pressure regulator, which comprises the steps of:
The low-voltage separation and distribution transformer for identifying target power distribution network, obtain the low-voltage separation and distribution transformer Between separation distance;
The target power distribution network is arranged according to the line load type in the line load type for identifying the target power distribution network Load promotees to increase coefficient;The load promotees increasing coefficient and is determined according to the line load type;
The separation distance and the load are promoted into the installation point distance that increasing coefficient determines crimping road pressure regulator, become with distribution Depressor is the center of circle, the infield using installation point distance to choose low-voltage circuit pressure regulator on the circumference of radius;
To using distribution transformer as the center of circle, is identified, obtained by the load bus except the circumference of radius of installation point distance To the first selected load bus, the corresponding load total capacity of the selected load bus of acquisition described first is always held according to the load Amount and load promote to increase the configuration capacity that coefficient determines the low-voltage circuit pressure regulator.
2. the addressing constant volume method of low-voltage circuit pressure regulator according to claim 1, which is characterized in that the identification target The low-voltage separation and distribution transformer of power distribution network obtain the separation between the low-voltage separation and distribution transformer Apart from the step of before further include:
The load bus for identifying target power distribution network, obtains the load data of each load bus, the line between each load bus Circuit-switched data;
The Load flow calculation that target power distribution network is carried out according to the load data and track data, determines that target is matched according to calculated result The low-voltage separation of power grid.
3. the addressing constant volume method of low-voltage circuit pressure regulator according to claim 2, which is characterized in that described according to Load data and track data carry out the Load flow calculation of target power distribution network, and the low-voltage of target power distribution network is determined according to calculated result The process of separation includes:
The Load flow calculation that target power distribution network is carried out according to the load data and track data, obtains the node of each load bus Voltage magnitude;
Recognition node voltage magnitude is less than the load bus of voltage magnitude threshold value, obtains the second selected load bus;
The second selected load bus nearest apart from distribution transformer is determined as low-voltage separation.
4. the addressing constant volume method of low-voltage circuit pressure regulator according to claim 3, which is characterized in that the voltage magnitude Threshold value is 342V.
5. the addressing constant volume method of low-voltage circuit pressure regulator according to claim 1, which is characterized in that described described to divide Boundary's point distance and load rush increasing coefficient determine that the process of the installation point distance of crimping road pressure regulator includes:
The separation distance and the load are promoted into increasing coefficient and substitute into the installation point distance calculation formula calculating low pressure respectively The installation point distance of route pressure regulator;Wherein, the installation point distance calculation formula are as follows:
In formula, LaIndicate installation point distance, LdIndicate separation distance, x indicates that load promotees to increase coefficient.
6. the addressing constant volume method of low-voltage circuit pressure regulator according to claim 1, which is characterized in that described according to Load total capacity and load rush increasing coefficient determine that the process of the configuration capacity of the low-voltage circuit pressure regulator includes:
The load total capacity and the load are promoted into increasing coefficient and substitute into the configuration capacity calculation formula calculating low-voltage line respectively The configuration capacity of road pressure regulator;Wherein, the configuration capacity calculation formula are as follows:
SN=SL*x
In formula, symbol * indicates to be multiplied, SNIndicate configuration capacity, SLIndicate load total capacity, x indicates that load promotees to increase coefficient.
7. the addressing constant volume method of low-voltage circuit pressure regulator according to any one of claims 1 to 6, which is characterized in that institute It states and includes: according to the process that the load that the target power distribution network is arranged in the line load type promotees to increase coefficient
If the line load type is residential electricity consumption type, the load of the target power distribution network is promoted into increasing coefficient and is set as first Coefficient;
If the line load type is commercial power type, the load of the target power distribution network is promoted into increasing coefficient and is set as second Coefficient;
If the line load type is mixing electricity consumption type, the load of the target power distribution network is promoted into increasing coefficient and is set as third Coefficient.
8. the addressing constant volume method of low-voltage circuit pressure regulator according to claim 7, which is characterized in that first coefficient It is 1.4, second coefficient is 1.1, and the third coefficient is 1.3.
9. a kind of addressing constant volume system of low-voltage circuit pressure regulator characterized by comprising
First identification module, the low-voltage separation and distribution transformer of target power distribution network, obtain the low-voltage for identification Separation distance between separation and distribution transformer;
Second identification module, the line load type of the target power distribution network, sets according to the line load type for identification The load for setting the target power distribution network promotees to increase coefficient;The load promotees increasing coefficient and is determined according to the line load type;
First determining module, for the separation distance and the load to be promoted the installation that increasing coefficient determines crimping road pressure regulator Point distance, in the peace using distribution transformer as the center of circle, using installation point distance to choose low-voltage circuit pressure regulator on the circumference of radius Fill place;
Second determining module, for using distribution transformer as the center of circle, using installation point distance to be negative except the circumference of radius Lotus node identified, the first selected load bus is obtained, and obtains the corresponding load total capacity of the described first selected load bus, Promote the configuration capacity that increasing coefficient determines the low-voltage circuit pressure regulator according to the load total capacity and load.
10. the addressing constant volume system of low-voltage circuit pressure regulator according to claim 9, which is characterized in that further include:
Third identification module, the load bus of target power distribution network, obtains the load data of each load bus for identification, each Track data between load bus;
Third determining module, for carrying out the Load flow calculation of target power distribution network according to the load data and track data, according to Calculated result determines the low-voltage separation of target power distribution network.
11. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor Calculation machine program, which is characterized in that the processor realizes any one of claims 1 to 8 institute when executing the computer program The step of stating method.
12. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program The step of method described in any item of the claim 1 to 8 is realized when being executed by processor.
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CN110429592B (en) * 2019-08-06 2022-11-08 国网四川省电力公司电力科学研究院 10kV line voltage regulator installation position and capacity selection method
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CN103236688A (en) * 2012-11-09 2013-08-07 云南电网公司昆明供电局 Method for calculating distribution network power supply capacity based on load characteristics
CN103559553A (en) * 2013-10-25 2014-02-05 国家电网公司 Distributing line planning and distribution transform site selection optimizing method based on load moment theory
CN106571630A (en) * 2016-11-16 2017-04-19 合肥普望电子有限责任公司 Rural distribution network low voltage prediction and evaluation method

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CN103236688A (en) * 2012-11-09 2013-08-07 云南电网公司昆明供电局 Method for calculating distribution network power supply capacity based on load characteristics
CN103559553A (en) * 2013-10-25 2014-02-05 国家电网公司 Distributing line planning and distribution transform site selection optimizing method based on load moment theory
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