Summary of the invention
The technical problem to be solved in the present invention is, have for load and distribute extensively, time variation is large, the problem that electricity consumption industry composition is difficult to grasp, a kind of 220 online real-time statistical methods of kv substation electricity consumption industry composition are proposed, in order to accurate, efficient, cheap online grasp in real time 220 kv substation electricity consumption industry compositions, load model lays the foundation for the dispatcher provides accurately.
Realize that the technology solution that the object of the invention adopts is:
The 220 online real-time statistical methods of kv substation electricity consumption industry composition, carry out according to the following steps:
Affiliated 10 KV relevant informations in step 1, statistics 220 kv substation service areas:
(1) 10 KVs under listing one by one in 220 kv substation service areas;
(2) the Online statistics 10 real-time burdens with power of KV outlet switch, the listed 10 real-time burdens with power of KV outlet switch in territory of use power administration this step of energy management system Online statistics (1), the real-time burden with power of wherein flowing out 10 kilovolts of buses on the occasion of, the real-time burden with power that flows into 10 kilovolts of buses is negative value;
(3) Online statistics is incorporated in real time total meritorious exerting oneself of 10 KV power supplys into, and territory of use power administration energy management system Online statistics is incorporated the listed 10 KV power supplys of this step (1) total meritorious exerting oneself in real time into, its size be on the occasion of;
(4) statistics 10 KV substation transformer titles, capacity and industry attribute, add up the distribution transformer capacity that is connected with listed 10 KVs in this step (1) by platform, and indicate the electricity consumption industry attribute of every station power distribution on-load that transformer supplies, namely every station power distribution on-load that transformer supplies is to belong to which kind of in 5 large electricity consumption industries (being heavy industry electricity consumption, light industry electricity consumption, agriculture electricity consumption, tertiary industry electricity consumption, municipal electricity consumption);
Step 2, calculating 10 KV electricity consumption industry ratios:
(1) calculate 10 KV electricity consumption industry distribution transformer capacities, at step 1(4) in choose arbitrarily 1 10 KV, to be connected with this circuit and distribution transformer capacity addition that electricity consumption industry attribute is identical, namely obtain this 10 KV electricity consumption industry distribution transformer capacity.Using such method obtains step 1(1) in listed 10 KV electricity consumption industry distribution transformer capacities;
(2) calculate 10 KV substation transformer total volumies, with step 1(4) in the distribution transformer capacity addition that is connected with a certain 10 KVs, namely obtain this 10 KV substation transformer total volume.Using such method obtains step 1(1) listed 10 KV substation transformer total volumies;
(3) calculate 10 KV electricity consumption industry ratios, utilize a certain 10 KV electricity consumption industry distribution transformer capacities that obtain in this step (1) divided by the same 10 KV substation transformer total volumies that obtain in this step (2), can calculate this 10 KV electricity consumption industry ratio.According to said method, but calculation procedure 1(1) listed 10 KV electricity consumption industry ratios;
Step 3, in the real-time total power load of line computation 220 kv substations:
(1) in the line computation 10 real-time power loads of KV, utilize step 1(2) in a certain the 10 real-time burdens with power of KV outlet switch add step 1(3) in real-time total meritorious the exerting oneself of same 10 KV power supplys, can be in the real-time power load of this 10 KV of line computation.Using such method, calculation procedure 1(1 online) the listed 10 real-time power loads of KV;
(2) in the in real time total power load of line computation 220 kv substations, with the 10 real-time power load of the KV additions one by one that obtain in this step (1), can be in the in real time total power load of line computation 220 kv substations;
Step 4, the online 220 kv substation electricity consumption industry compositions of calculating in real time:
(1) in the line computation 10 real-time burdens with power of KV electricity consumption industry, utilize step 2(3) in a certain 10 KV electricity consumption industry ratios obtaining multiply by step 3(1) in the same 10 real-time power loads of KV that obtain, namely obtain the real-time burden with power of this 10 KV electricity consumption industry.Using such method obtains step 1(1) the listed 10 real-time burdens with power of KV electricity consumption industry;
(2) in the line computation 220 real-time burdens with power of kv substation electricity consumption industry, with the identical real-time burden with power addition of electricity consumption industry attribute in whole 10 KVs that obtain in this step (1), can be in the line computation 220 real-time burdens with power of kv substation electricity consumption industry;
(3) the 220 online real-time statisticss of kv substation electricity consumption industry composition, utilize the 220 real-time burdens with power of kv substation electricity consumption industry that obtain in this step (2) divided by step 3(2) in the in real time total power load of 220 kv substations that obtain, can realize the 220 online real-time statisticss of kv substation electricity consumption industry composition.
The principle of the inventive method is: utilize the electricity consumption industry attribute of affiliated 10 kilovolts of outlets in 220 kv substation service areas and the circuit burden with power that the online real-time statistics of energy management system arrives, realize the 220 online real-time statisticss of kv substation electricity consumption industry composition.
The beneficial effect of the inventive method is:
1, use this method real-time statistics 220 kv substation electricity consumption industry compositions online, solved 220 kv substations load time variations and randomness large, and the electricity consumption industry composition problem that is difficult to grasp;
2, realize the 220 online real-time statisticss of kv substation electricity consumption industry composition by energy management system, greatly reduced personnel and added up by hand the labour intensity of transforming plant industry composition, saved cost;
3, use this method to reduce the statistical error that causes because of the personal error, greatly improved electricity consumption industry composition statistical accuracy.
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing.
Embodiment
See Fig. 1, existing take certain 220 kv substation service area as example, illustrate the inventive method.
The online real-time statistical method of this 220 kv substation electricity consumption industry composition, carry out according to the following steps:
Affiliated 10 KV relevant informations in step 1, statistics 220 kv substation service areas:
(1) 10 KVs under listing one by one in 220 kv substation service areas, under in 220 kilovolts of gulf service areas of Xiao transformer station of family there be 10 KVs: mountain bridge line 322, Alpinia japonica line 412, river, mountain II line 326, mountain town line 324, mountain nitrogen line 408 and circuit 1, Above Transmission Lines title see Table the 1st row in 1;
(2) the Online statistics 10 real-time burdens with power of KV outlet switch, the listed 10 real-time burdens with power of KV outlet switch in territory of use power administration this step of energy management system Online statistics (1), the real-time burden with power of wherein flowing out 10 kilovolts of buses on the occasion of, the real-time burden with power that flows into 10 kilovolts of buses is negative value, each 10 real-time burdens with power of KV outlet switch see Table 1 the 2nd row, it is mountain bridge line 322, Alpinia japonica line 412, mountain spring II line 326, mountain town line 324, mountain nitrogen line 408 and circuit 1 each 10 real-time burdens with power of KV outlet switch are respectively 1.04 megawatts, 2.63 megawatt, 0 megawatt, 1.35 megawatt, 0.06 megawatt, 4.06 megawatt,
(3) Online statistics is incorporated 10 KV power supplys total meritorious exerting oneself in real time into, territory of use power administration energy management system Online statistics is incorporated the listed 10 KV power supplys of this step (1) total meritorious exerting oneself in real time into, its size be on the occasion of, incorporate into 10 KV power supplys in real time total meritorious exerting oneself see Table 1 the 3rd row; Namely incorporate 10 kilovolts of mountain bridge lines 322, Alpinia japonica line 412, mountain spring II line 326, mountain town line 324, mountain nitrogen line 408 and circuit 1 each line power total meritorious be respectively 1.46 megawatts, 1.51 megawatts, 3.70 megawatts, 2.07 megawatts, 4.87 megawatts, 0.0 megawatt in real time into;
(4) statistics 10 KV substation transformer titles, capacity and industry attribute, add up the substation transformer title that is connected with listed 10 KVs in this step (1) by platform, capacity, and the electricity consumption industry attribute of dated every station power distribution on-load that transformer supplies, be that every station power distribution on-load that transformer supplies is that to belong to 5 large electricity consumption industries (be the heavy industry electricity consumption, the light industry electricity consumption, the agricultural electricity consumption, tertiary industry electricity consumption, the municipal administration electricity consumption) in which kind of, take 10 KV mountain bridge lines 322 as example, this circuit is respectively distribution transforming 11 for the substation transformer title of band, distribution transforming 12, distribution transforming 13, distribution transforming 14, distribution transforming 15, distribution transforming 16, distribution transforming 17(sees Table 1 the 4th row), every station power distribution transformer capacity is respectively 0.8 megavolt-ampere, 1 megavolt-ampere, 0.63 megavolt-ampere, 0.8 megavolt-ampere, 0.63 megavolt-ampere, 1.25 megavolt-amperes, 1.25 megavolt-amperes (seeing Table 1 the 5th row), the electricity consumption industry attribute of every station power distribution on-load that transformer supplies is respectively light industry, light industry, agricultural, agricultural, the tertiary industry, the tertiary industry, the tertiary industry (seeing Table 1 the 6th row) can obtain by similar method substation transformer title, capacity and the industry attribute that in this step (1), listed other 10 KV confession is with,
Step 2, calculating 10 KV electricity consumption industry ratios:
(1) calculate 10 KV electricity consumption industry distribution transformer capacities, at step 1(4) in choose arbitrarily 1 10 KV, to be connected with this circuit and distribution transformer capacity addition that electricity consumption industry attribute is identical, namely obtain this 10 KV electricity consumption industry distribution transformer capacity.Using such method, obtain step 1(1) in listed 10 KV electricity consumption industry distribution transformer capacities, 10 KV mountain bridge lines 322 are as example in the table 1, this circuit supplies the substation transformer of band without heavy industry electricity consumption industry, so the capacity of this 10 KV heavy industry electricity consumption industry substation transformer is 0 megavolt-ampere (i.e. table 1 the 7th row " heavy industry "); Mountain bridge line 322 is light industry for the electricity consumption industry of distribution transforming 11 and distribution transforming 12 in the substation transformer of band, therefore, with the capacity addition of distribution transforming 11 and distribution transforming 12, namely obtaining this 10 KV light industry electricity consumption industry distribution transformer capacity is 1.80 megavolt-amperes (i.e. table 1 the 7th row " light industry "); Mountain bridge line 322 is agricultural for the industry attribute of distribution transforming 13 and distribution transforming 14 in the substation transformer of band, therefore, with the capacity addition of distribution transforming 13 and distribution transforming 14, namely obtaining this 10 KV agricultural electricity consumption industry distribution transformer capacity is 1.43 megavolt-amperes (i.e. table 1 the 7th row " agricultural "); In like manner, mountain bridge line 322 is the tertiary industry for the electricity consumption industry of distribution transforming 15 in the substation transformer of band, distribution transforming 16 and distribution transforming 17, therefore, with the capacity addition of distribution transforming 15, distribution transforming 16 and distribution transforming 17, namely obtaining this 10 KV tertiary industry electricity consumption industry distribution transformer capacity is 3.13 megavolt-amperes; 10 KV mountain bridge lines 322 in the substation transformer of band without municipal household electricity industry, so this 10 KV municipal administration household electricity industry distribution transformer capacity is 0 megavolt-ampere (i.e. table 1 the 7th row " municipal administration is lived ").According to above method, can obtain step 1(1) the electricity consumption industry distribution transformer capacity of listed other 10 KV Alpinia japonica lines 412, mountain spring II line 326, mountain town line 324, mountain nitrogen line 408 and circuit 1;
(2) calculate 10 KV substation transformer total volumies, with step 1(4) in the distribution transformer capacity addition that is connected with a certain 10 KVs, namely obtain this 10 KV substation transformer total volume, Using such method, obtain step 1(1) listed 10 KV substation transformer total volumies, take 10 KV mountain bridge lines 322 as example, with the substation transformer (distribution transforming 11 of this 10 KV for band, distribution transforming 12, distribution transforming 13, distribution transforming 14, distribution transforming 15, distribution transforming 16, distribution transforming 17) capacity addition, namely obtaining this 10 KV is 6.36 megavolt-amperes for the substation transformer total volume of being with.According to said method, can obtain step 1(1) in listed other 10 KV Alpinia japonica lines 412, mountain spring II line 326, mountain town line 324, mountain nitrogen line 408 and circuit 1 electricity consumption industry distribution transformer capacity be respectively 9.45 megavolt-amperes, 11.60 megavolt-ampere, 9.68 megavolt-ampere, 13.90 megavolt-ampere, 12.30 megavolt-ampere, 10 KV substation transformer total volume result of calculations see Table 1 the 8th row;
(3) calculate 10 KV electricity consumption industry ratios, utilize a certain 10 KV electricity consumption industry distribution transformer capacities that obtain in this step (1) divided by the same 10 KV substation transformer total volumies that obtain in this step (2), can calculate this 10 KV electricity consumption industry ratio.According to said method, but calculation procedure 1(1) listed 10 KV electricity consumption industry ratios, take mountain bridge line 322 as example, utilize to obtain this 10 KV heavy industry electricity consumption industry distribution transformer capacity (0 megavolt-ampere) in step (1) divided by the substation transformer total volume (6.36 megavolt-ampere) of this 10 KV that obtains in this step (2) for band, can calculate this 10 KV heavy industry electricity consumption industry ratio is 0%.In like manner, can calculate 10 kilovolts of mountain bridge line 322 light industry, agricultural, the tertiary industry and municipal household electricity industry ratio and be respectively 0.00%, 28.30%, 22.48%, 49.21%, 0.00%.According to said method, but calculation procedure 1(1) in the electricity consumption industry ratio of listed other 10 KV Alpinia japonica lines 412, mountain spring II line 326, mountain town line 324, mountain nitrogen line 408 and circuit 1,10 KV electricity consumption industry ratio result of calculations see Table 1 the 9th row;
Step 3, in the real-time total power load of line computation 220 kv substations:
(1) in the line computation 10 real-time power loads of KV, utilize step 1(2) in a certain the 10 real-time burdens with power of KV outlet switch add step 1(3) in real-time total meritorious the exerting oneself of same 10 KV power supplys, can be in the real-time power load of this 10 KV of line computation.Using such method, calculation procedure 1(1 online) the listed 10 real-time power loads of KV, take 10 KV mountain bridge lines as example, utilize step 1(2) in the real-time burden with power of this 10 KV outlet switch (1.04 megawatt) add step 1(3) in real-time total meritorious the exerting oneself (1.46 megawatt) of this line power, can be 2.5 megawatts in the real-time power load of this 10 KV of line computation.In like manner, can obtain step 1(1) listed other 10 KV Alpinia japonica lines 412, mountain spring II line 326, mountain town line 324, mountain nitrogen line 408 and the real-time power load of circuit 1 be respectively 4.14 megawatts, 3.70 megawatt, 3.42,4.93 megawatt, 4.07 megawatt, the 10 real-time Calculation of electric charge results of KV are table 1 the 1st row and the 2nd row addition, the results are shown in Table 1 the 10th row;
(2) in the in real time total power load of line computation 220 kv substations, with the 10 real-time power load of the KV additions one by one that obtain in this step (1), can be 22.76 megawatts in the in real time total power load of line computation 220 kv substations, be about to table 1 the 10th each row addition of row, result of calculation sees Table 1 the 11st row;
Step 4, the online 220 kv substation electricity consumption industry compositions of calculating in real time:
(1) in the line computation 10 real-time burdens with power of KV electricity consumption industry, utilize step 2(3) in a certain 10 KV electricity consumption industry ratios obtaining multiply by step 3(1) in the same 10 real-time power loads of KV that obtain, namely obtain the real-time burden with power of this 10 KV electricity consumption industry, Using such method, obtain step 1(1) the listed 10 real-time burdens with power of KV electricity consumption industry, take 10 kilovolts of mountain bridge lines 322 as example, utilize step 2(3) in this 10 KV heavy industry electricity consumption industry ratio (0%) of obtaining multiply by step 3(1) in the real-time power load of this 10 KV (2.5 megawatt) that obtains, namely obtain real-time burden with power 0.00 megawatt of this 10 KV heavy industry electricity consumption industry, in like manner, can obtain this 10 KV light industry, agricultural, the tertiary industry and the real-time burden with power of municipal household electricity industry are respectively 0.71 megawatt, 0.56 megawatt, 1.23 megawatt, 0.00 megawatt, with the method, can arrive step 1(1) the real-time burden with power of listed other 10 KV electricity consumption industries, the ratio that the 10 real-time burdens with power of KV electricity consumption industry namely equal table 1 the 9th corresponding 10 KV electricity consumption industries of row multiply by the 10th row, result of calculation sees Table 1 the 12nd row,
(2) in the line computation 220 real-time burdens with power of kv substation electricity consumption industry, with the identical real-time burden with power addition of electricity consumption industry attribute in whole 10 KVs that obtain in this step (1), can be in the line computation 220 real-time burdens with power of kv substation electricity consumption industry, be about to the identical real-time burden with power addition of electricity consumption industry attribute in the 12nd row in table 1, obtain the 220 real-time burdens with power of kv substation electricity consumption industry, result of calculation sees Table 1 the 13rd row;
For example with the real-time burden with power addition of heavy industry electricity consumption industry in whole 10 KVs that obtain in this step (1), can be 6.87 megawatts in the line computation 220 real-time burdens with power of kv substation heavy industry electricity consumption industry, in like manner, can obtain 220 kv substation light industry, agricultural, the tertiary industry and the real-time burden with power of municipal household electricity industry and be respectively 4.39 megawatts, 1.81 megawatt, 7.15 megawatt, 2.54 megawatts;
(3) online real-time statistics 220 kv substation electricity consumption industry compositions, utilize the 220 real-time burdens with power of kv substation electricity consumption industry that obtain in this step (2) divided by step 3(2) in the in real time total power load of 220 kv substations that obtain, be about to the in real time total power load of 220 kv substations that in table 1, the 12nd real-time burden with power of row electricity consumption industry obtains divided by table 1 the 11st row, can realize the 220 online real-time statisticss of kv substation electricity consumption industry composition, result of calculation sees Table 1 the 14th row, for example utilize the 220 real-time burdens with power of kv substation heavy industry electricity consumption industry (6.87 megawatt) that obtain in this step (2) divided by step 3(2) in the in real time total power load (22.76 megawatt) of 220 kv substations that obtain, can obtain 220 kv substation heavy industry electricity consumption industry compositions is 30.18%, in like manner, can obtain 220 kv substation light industry, agricultural, the tertiary industry and municipal household electricity industry composition are respectively 19.29%, 7.96%, 31.43%, 11.14%.
The table 1 220 online real-time statistics tables of kv substation electricity consumption industry composition