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 PDFInfo
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- load
- low
- pressure regulator
- voltage
- distribution network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316988.6A CN107039983B (en) | 2017-05-08 | 2017-05-08 | The addressing constant volume method and system of low-voltage circuit pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316988.6A CN107039983B (en) | 2017-05-08 | 2017-05-08 | The addressing constant volume method and system of low-voltage circuit pressure regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107039983A CN107039983A (en) | 2017-08-11 |
| CN107039983B true CN107039983B (en) | 2019-07-12 |
Family
ID=59537440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710316988.6A Active CN107039983B (en) | 2017-05-08 | 2017-05-08 | The addressing constant volume method and system of low-voltage circuit pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107039983B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110765564B (en) * | 2019-11-07 | 2023-11-17 | 云南电网有限责任公司电力科学研究院 | Load moment-based configuration position correction method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-05-08 CN CN201710316988.6A patent/CN107039983B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107039983A (en) | 2017-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Alam et al. | Mitigation of rooftop solar PV impacts and evening peak support by managing available capacity of distributed energy storage systems | |
| CN109204036B (en) | Charging pile ordered charging management method and system | |
| CN107039983B (en) | The addressing constant volume method and system of low-voltage circuit pressure regulator | |
| CN108448621A (en) | A kind of control method and equipment of photovoltaic generating system | |
| CN101662244A (en) | Power consumption control method and apparatus thereof | |
| CN109383323B (en) | Charge-discharge optimization control method for electric automobile group | |
| Gupta et al. | Optimal D-STATCOM placement in radial distribution system based on power loss index approach | |
| CN110555607A (en) | method, terminal and storage medium for calculating and prompting peak load shifting index of power consumer | |
| CN115065053A (en) | Station area harmonic responsibility qualitative assessment method and system based on source-load equivalent admittance | |
| CN111030147A (en) | Power dispatching method and system for comprehensive energy system | |
| CN103715699B (en) | A kind of low-voltage distribution network reactive power compensation system device and compensation method | |
| CN116316764A (en) | User side energy storage system and configuration method thereof | |
| CN110460108A (en) | A kind of smooth new energy goes out the energy storage Optimal Configuration Method of fluctuation | |
| CN112884316B (en) | Power regulation method, device, computer equipment and storage medium | |
| CN107294121A (en) | The acquisition methods and system of a kind of energy-storage system typical condition curve | |
| CN105244895A (en) | Series compensation position determining method | |
| CN115122972B (en) | Charging system and charging and discharging control method based on common direct current bus | |
| CN107046294B (en) | Combined accumulation energy capacity collocation method based on probability statistics | |
| CN104810828A (en) | User power grid access method based on load distance | |
| CN107809111B (en) | DC micro-grid structure, control method thereof, storage medium and processor | |
| CN107508318A (en) | A kind of real power control method and system based on voltage sensibility subregion | |
| Divya et al. | Proposed strategy for capacitor allocation in radial distribution feeders | |
| CN109217327A (en) | A kind of 220kV reactive compensation capacity of substation classification configurations method | |
| CN116834602B (en) | Charging management method, device, equipment and medium based on micro-grid access control | |
| CN114301100B (en) | Ordered charging method, system, device and medium for charging pile considering multiple distribution and transformation joint control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |