CN115833362B - Ring main unit UPS power supply comprehensive management and control system - Google Patents
Ring main unit UPS power supply comprehensive management and control system Download PDFInfo
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Abstract
The invention discloses a ring main unit UPS (uninterrupted Power supply) comprehensive control system, and relates to the technical field of UPS comprehensive control. The invention comprises the following steps: the link monitoring unit monitors all UPS links, acquires the number of started UPS power supplies, and performs fault analysis on each damaged link or common damaged link; and the mutual aid unit invokes the UPS power supply meeting the reverse power supply condition to supply power to the fault UPS power supply according to the fault analysis result. Through carrying out association of UPS power supplies according to preset nodes, a plurality of UPS links are formed; monitoring all UPS links, obtaining the number of started UPS power supplies, dividing the UPS links into individual loss links or common loss links according to the number, and carrying out fault analysis on the individual loss links or the common loss links; and according to the fault analysis result, the UPS meeting the reverse power supply condition is called to supply power to the fault UPS, so that the safety and sufficient power supply of the ring network line can be ensured while the line fault is found in time.
Description
Technical Field
The invention belongs to the technical field of comprehensive control of UPS (uninterrupted Power supply), and particularly relates to a comprehensive control system of a ring main unit UPS.
Background
The role of UPS power sources is becoming increasingly important in improving the quality of power. In order to meet the requirements of different users and different use conditions, various forms of hardware main structures of the UPS have been developed, and the performances of the UPS are different. In order for a UPS to function adequately, to increase its ability to handle emergency events, the UPS must be managed and maintained.
For example, chinese patent CN101136500B provides a monitoring method of a UPS power intelligent management system, where the hardware of the UPS power intelligent management system is as follows: a computer provided with a network card, a snmp card, a network cable and a UPS power supply; connecting the power input end of the computer with an intelligent UPS power supply through an RS232C interface; loading monitoring software, designing a program on a computer into a timing inquiry transmitting and receiving mode to communicate with an intelligent UPS, and enabling the computer to send inquiry instructions at regular time and the power supply to return related information within a specified time; when the power supply is abnormal, the MCU sends abnormal information to the computer, and the monitoring software sends alarm information on the computer to remind an operator or a network manager of timely processing, and the monitoring software can automatically stop running programs of various software when the USP power supply time is over, prohibit a user from logging in, automatically store a disc and keep on site; the computer is adopted for monitoring, the timing on-off function can be automatically executed on the computer and the UPS through setting, and the complex on-off program of the computer system can be accurately executed.
Also, as disclosed in chinese patent CN203070275U, a UPS power supply monitoring and alarming device is disclosed, chinese patent CN201698010U discloses a UPS power supply remote on-line monitoring system, and the like, which relate to a UPS power supply monitoring technology, but lack classification and distributed monitoring analysis on the whole ring network, and only realize fault monitoring but lack post-fault guarantee technology.
Disclosure of Invention
The invention aims to provide a ring main unit UPS power supply comprehensive management and control system, which is used for respectively monitoring and acquiring fault lines in time through dividing links of ring network lines, ensuring the safety of the whole lines and supplying power in a sufficient amount and solving the existing problems.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a ring main unit UPS power supply comprehensive control system, which comprises:
the ring network link binding unit is used for carrying out association of UPS power supplies according to preset nodes to form a plurality of UPS links;
the link monitoring unit monitors all UPS links, acquires the number of started UPS power supplies, divides the UPS links into individual loss links or common loss links according to the number, and performs fault analysis on the individual loss links or the common loss links;
and the mutual aid unit is used for calling the UPS power supply meeting the reverse power supply condition to supply power to the fault UPS power supply according to the fault analysis result.
The quick overhaul of a UPS problem can be started, when a large-scale UPS is normally started, only a small part of the UPS is not started, the UPS can be calculated firstly, and aiming at the current UPS, the UPS on the same line is used for reversely supporting the power in the power supply of the UPS to the UPS with the fault, the UPS needs to be satisfied, the normal UPS of the fault UPS is supported firstly, and the residual power of the normal UPS needs to satisfy the use of electric equipment corresponding to normal UPS equipment in the power failure period; here the outage time is estimated from past outage data and excess power is used to supply the failed UPS, where it is necessary that all agree to do so or sign an agreement before the line is established.
The invention has the following beneficial effects:
according to the invention, a plurality of UPS links are formed by associating UPS power supplies according to the preset nodes; monitoring all UPS links, obtaining the number of started UPS power supplies, dividing the UPS links into individual loss links or common loss links according to the number, and carrying out fault analysis on the individual loss links or the common loss links; and according to the fault analysis result, the UPS meeting the reverse power supply condition is called to supply power to the fault UPS, so that the safety and sufficient power supply of the ring network line can be ensured while the line fault is found in time.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of the ring main unit UPS power supply comprehensive control system of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention is a ring main unit UPS power integrated control system, including: the ring network link binding unit is used for carrying out association of UPS power supplies according to preset nodes to form a plurality of UPS links; the link monitoring unit monitors all UPS links, acquires the number of started UPS power supplies, divides the UPS links into individual loss links or common loss links according to the number, and performs fault analysis on the individual loss links or the common loss links; and the mutual aid unit is used for calling the UPS power supply meeting the reverse power supply condition to supply power to the fault UPS power supply according to the fault analysis result.
As one embodiment provided by the invention, preferably, all UPS power supplies on one line are associated, all UPS power supplies are bound after the association, then the starting conditions of all UPS power supplies are monitored, when the UPS power supplies on the same line are independently started, the started UPS is checked, the household short circuit condition is checked first, the household short circuit condition is realized through a household intelligent Internet of things, and if the household circuit is not problematic, the default UPS is problematic.
As an embodiment of the present invention, preferably, the method for presetting the node is:
optionally a power distribution cabinet, marked as a central power distribution cabinet;
acquiring the corresponding overhaul times of the central power distribution cabinet, and marking the overhaul times as ZPi, wherein the ZPi represents the overhaul times of a central power distribution cabinet i, and i is an integer;
acquiring all lines of a central power distribution cabinet, and marking the overhaul times of all power distribution cabinets of the lines of the central power distribution cabinet as FPij, wherein FPij represents the overhaul times of the power distribution cabinets j of the lines of the central power distribution cabinet i, and j=1, 2 and 3 … … n are integers;
obtaining the maintenance ratio ZBi, ZBi=
；
When the overhaul ratio ZBi is larger than a preset value, n is larger than the preset value, and the total number of lines where the central power distribution cabinet i is positioned is smaller than the preset value, marking a UPS (uninterrupted Power supply) connected with the power distribution cabinet as a node;
repeating the principle to obtain all nodes in the ring network.
As an embodiment provided by the present invention, preferably, when the UPS power source association is performed, the following algorithm is executed:
optionally a power distribution cabinet, marked as a central power distribution cabinet k;
k=1, the number of all power distribution cabinets directly connected with the central power distribution cabinet is obtained, and the number is marked as P1g;
sequentially obtaining P2g, P3g, … … and Pmg by using k=2, 3, … … and m, wherein m is an integer;
sorting P1g, P2g, P3g, … … and Pmg in a descending order, obtaining a maximum value and a minimum value after sorting, and marking the maximum value Pmax and the minimum value Pmin in sequence;
the Pkg which is equal to the weight value PO is called, the central power distribution cabinet corresponding to the selected Pkg is marked as an auxiliary power distribution cabinet, and the UPS power supply connected with the auxiliary power distribution cabinet is marked as an initial node; if the Pkg which is equal to the weight value does not exist, calling the Pkg of which the difference value between the Pkg and the weight value is smaller than a preset value;
optionally selecting a starting node, acquiring any line where the starting node is located, and starting a plurality of PP nodes from the starting node as collinear nodes, wherein a UPS power supply between the starting node and the collinear nodes forms a UPS link; pp=po+
The method comprises the steps of carrying out a first treatment on the surface of the When the number of the starting nodes is less than PP nodes, the starting nodes are counted to the extreme end of the line;
wherein the weight value po=
，/>
Representation pair->
Is rounded up.
As an embodiment provided by the invention, it is preferable to perform the checking according to the UPS start-up amount ratio, when eighty percent of the same line is started, the remaining twenty percent, and of course, the ratio is exemplified and specifically freely set; the remainder being positive for start-up is that the power supply itself is problematic and requires careful investigation.
As an embodiment provided by the invention, preferably, a quick overhaul of a UPS problem can be started, when a large-scale UPS is started normally, only a small part of UPS is not started, and it can be calculated first, for the current UPS, the UPS on the same line is used for reversely supporting the UPS with the power in the power supply thereof being failed, and it is required to meet that the normal UPS of the failed UPS is supported first, and the residual power thereof is required to meet that the consumer corresponding to the normal UPS equipment is used during the power failure; here the outage time is estimated from past outage data and excess power is used to supply the failed UPS, where it is necessary that all agree to do so or sign an agreement before the line is established.
As an embodiment provided by the present invention, preferably, the individual loss link or common loss link is:
when the starting of the UPS power supply is detected, selecting a started UPS power supply, and marking the starting of the UPS power supply;
any UPS link where the UPS power supply is started is obtained and marked as an abnormal link;
acquiring the number Qq of the UPS power supplies started on the abnormal link and the total number Qz of the UPS power supplies on the abnormal link;
when Qq/Qz is less than or equal to X1, marking the abnormal link as a loss link;
when Qq/Qz > X2, marking the abnormal link as a common loss link;
when X1 is less than Qq/Qz is less than or equal to X2 and Qq is more than X3, intercepting a UPS link from a first started UPS power supply to a last started UPS power supply in an abnormal link to be marked as a common loss link, wherein the first and the last refer to the positions of the started UPS power supplies in the UPS link;
x1, X2 and X3 are all preset values.
As an embodiment provided by the present invention, preferably, the link monitoring unit performs the following steps when performing fault analysis:
when the UPS link where the started UPS is located is a loss link, acquiring the states of all power equipment connected with the started UPS, if the power equipment fails, overhauling the failed power equipment, otherwise, judging that the UPS is normally started and the line connected with the started UPS fails;
and when the UPS link where the started UPS power supply is positioned is a common loss link, judging that the UPS power supply is started normally, and the line connected with the started UPS power supply fails.
As an embodiment provided by the present invention, preferably, the UPS power source that satisfies the reverse power supply condition is:
when the UPS link where the started UPS power supply is located is a loss link, acquiring two adjacent UPS power supplies of the started UPS power supply in the UPS link, and marking the UPS power supplies as supporting UPS power supplies;
acquiring a starting state supporting the UPS power supply:
condition one: if neither of the two supported UPS power sources is started and at least one of the two supported UPS power sources is located between the two started UPS power sources on the UPS link, then the power level of each supported UPS power source for reverse power supply for the started UPS power source is β×qd; wherein, beta is a preset value, QD is the residual electric quantity of the supported UPS;
condition II: if both of the two supporting UPS power supplies are not started and the other adjacent UPS power supplies in the UPS link are also started, the two supporting UPS power supplies simultaneously supply power reversely to the started UPS power supplies, and the power supply quantity of each of the supporting UPS power supplies is as follows:
* The power consumption of the started UPS (the power consumption of the started UPS can be charged along with the discharging or the power consumption of the started UPS reaches a preset value, and each supporting UPS starts to supply power for the started UPS);
and (3) a third condition: if the support UPS power supply does not meet the first condition and the second condition, the UPS power supply which is started and used for supplying power is selected to take the un-started UPS power supply meeting the expected power supply electric quantity in the UPS link as the UPS power supply which is started by the support power supply for reverse power supply.
As an embodiment provided by the present invention, preferably, the power supply expected power is:
acquiring the average value of power consumption of the started UPS power supply when the UPS power supply is started for nearly three times, and marking the average value as Ye;
acquiring three times of UPS power supply starting events which are closest to each other on a UPS link where the started UPS power supply is located, and after each time of UPS power supply starting event occurs, acquiring the corresponding power consumption total amount of the started UPS power supply, wherein the power consumption total amount is marked as Yz;
the expected power quantity of the power supply is
Wherein->
And->
，/>
All are preset values;
when the residual capacity of the supporting power supply-expected power supply capacity is larger than a preset value, the maximum reverse power supply capacity of the supporting power supply to the started UPS is the expected power supply capacity;
otherwise, the maximum reverse power supply amount of the supported power supply to the started UPS is as follows: remaining capacity of the power supply is supported again
。
As an embodiment of the present invention, preferably, the re-supporting power supply is a node, and when the remaining power of the re-supporting power supply-expected power supply is greater than a preset value, the maximum reverse power supply of the re-supporting power supply to the started UPS power supply is:
* The expected amount of power is supplied.
The ring main unit UPS power supply comprehensive management and control system is used for forming a plurality of UPS links by carrying out association of UPS power supplies according to preset nodes; monitoring all UPS links, obtaining the number of started UPS power supplies, dividing the UPS links into individual loss links or common loss links according to the number, and carrying out fault analysis on the individual loss links or the common loss links; and according to the fault analysis result, the UPS meeting the reverse power supply condition is called to supply power to the fault UPS, so that the safety and sufficient power supply of the ring network line can be ensured while the line fault is found in time.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. Ring main unit UPS power synthesizes management and control system, its characterized in that includes:
the ring network link binding unit is used for carrying out association of UPS power supplies according to preset nodes to form a plurality of UPS links;
the link monitoring unit monitors all UPS links, acquires the number of started UPS power supplies, divides the UPS links into individual loss links or common loss links according to the number, and performs fault analysis on the individual loss links or the common loss links;
the mutual aid unit is used for calling the UPS power supply meeting the reverse power supply condition to supply power to the fault UPS power supply according to the fault analysis result;
the node presetting method comprises the following steps:
optionally a power distribution cabinet, marked as a central power distribution cabinet;
acquiring the corresponding overhaul times of the central power distribution cabinet, and marking the overhaul times as ZPi, wherein the ZPi represents the overhaul times of the ith central power distribution cabinet, and i is an integer;
acquiring all lines of a central power distribution cabinet, and marking the overhaul times of all power distribution cabinets of the lines of the central power distribution cabinet as FPij, wherein FPij represents the overhaul times of the power distribution cabinet j of the line of the ith central power distribution cabinet, and j=1, 2 and 3 … … n are integers;
obtaining the maintenance ratio ZBi, ZBi=
；
When the overhaul ratio ZBi is larger than a preset value, n is larger than a preset value, and the total number of lines where the ith central power distribution cabinet is positioned is smaller than the preset value, marking a UPS (uninterrupted Power supply) connected with the power distribution cabinet as a node;
repeating the method to obtain all nodes in the ring network;
when the UPS power supply is associated, the following algorithm is executed:
optionally a power distribution cabinet, marked as a central power distribution cabinet k;
k=1, the number of all power distribution cabinets directly connected with the central power distribution cabinet is obtained, and the number is marked as P1g;
sequentially obtaining P2g, P3g, … … and Pmg by using k=2, 3, … … and m, wherein m is an integer;
sorting P1g, P2g, P3g, … … and Pmg in a descending order, obtaining a maximum value and a minimum value after sorting, and marking the maximum value Pmax and the minimum value Pmin in sequence;
the Pkg which is equal to the weight value PO is called, the central power distribution cabinet corresponding to the selected Pkg is marked as an auxiliary power distribution cabinet, and the UPS power supply connected with the auxiliary power distribution cabinet is marked as an initial node; if the Pkg which is equal to the weight value does not exist, calling the Pkg of which the difference value between the Pkg and the weight value is smaller than a preset value;
optionally selecting a starting node, acquiring any line where the starting node is located, and starting a plurality of PP nodes from the starting node as collinear nodes, wherein a UPS power supply between the starting node and the collinear nodes forms a UPS link; pp=po+
；
Wherein the weight value po=
，/>
Representation pair->
Is rounded up.
2. The ring main unit UPS power integrated management and control system of claim 1, wherein the individual loss link or common loss link is:
when the starting of the UPS power supply is detected, selecting a started UPS power supply, and marking the starting of the UPS power supply;
any UPS link where the UPS power supply is started is obtained and marked as an abnormal link;
acquiring the number Qq of the UPS power supplies started on the abnormal link and the total number Qz of the UPS power supplies on the abnormal link;
when Qq/Qz is less than or equal to X1, marking the abnormal link as a loss link;
when Qq/Qz > X2, marking the abnormal link as a common loss link;
when X1 is less than Qq/Qz is less than or equal to X2 and Qq is more than X3, intercepting and marking a UPS link from a first started UPS power supply to a last started UPS power supply in an abnormal link as a common loss link;
x1, X2 and X3 are all preset values.
3. The ring main unit UPS power integrated management and control system according to claim 2, wherein the link monitor unit performs the following steps when performing fault analysis:
when the UPS link where the started UPS is located is a loss link, acquiring the states of all power equipment connected with the started UPS, if the power equipment fails, overhauling the failed power equipment, otherwise, judging that the UPS is normally started and the line connected with the started UPS fails;
and when the UPS link where the started UPS power supply is positioned is a common loss link, judging that the UPS power supply is started normally, and the line connected with the started UPS power supply fails.
4. The ring main unit UPS power integrated management and control system of claim 1, wherein the UPS power that satisfies the reverse power supply condition is:
when the UPS link where the started UPS power supply is located is a loss link, acquiring two adjacent UPS power supplies of the started UPS power supply in the UPS link, and marking the UPS power supplies as supporting UPS power supplies;
acquiring a starting state supporting the UPS power supply:
condition one: if neither of the two supported UPS power sources is started and at least one of the two supported UPS power sources is located between the two started UPS power sources on the UPS link, then the power level of each supported UPS power source for reverse power supply for the started UPS power source is β×qd; wherein, beta is a preset value, QD is the residual electric quantity of the supported UPS;
condition II: if both of the two supporting UPS power supplies are not started and the other adjacent UPS power supplies in the UPS link are also started, the two supporting UPS power supplies simultaneously supply power reversely to the started UPS power supplies, and the power supply quantity of each of the supporting UPS power supplies is as follows:
* The power consumption of the started UPS;
and (3) a third condition: if the support UPS power supply does not meet the first condition and the second condition, the UPS power supply which is started and used for supplying power is selected to take the un-started UPS power supply meeting the expected power supply electric quantity in the UPS link as the UPS power supply which is started by the support power supply for reverse power supply.
5. The ring main unit UPS power integrated management and control system of claim 4, wherein the expected power supply amount is:
acquiring the average value of power consumption of the started UPS power supply when the UPS power supply is started for nearly three times, and marking the average value as Ye;
acquiring three times of UPS power supply starting events which are closest to each other on a UPS link where the started UPS power supply is located, and after each time of UPS power supply starting event occurs, acquiring the corresponding power consumption total amount of the started UPS power supply, wherein the power consumption total amount is marked as Yz;
the expected power quantity of the power supply is
Wherein->
And->
，/>
All are preset values;
when the residual capacity of the supporting power supply-expected power supply capacity is larger than a preset value, the maximum reverse power supply capacity of the supporting power supply to the started UPS is the expected power supply capacity;
otherwise, the maximum reverse power supply amount of the supported power supply to the started UPS is as follows: remaining capacity of the power supply is supported again
。
6. The system of claim 5, wherein the supported power supply is a node, and when the remaining power of the supported power supply-the expected power supply is greater than a preset value, the supported power supply supplies the UPS power to start up with the maximum reverse power supply:
* The expected amount of power is supplied. />
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