CN108063444B - Automatic adjust energy-conserving distribution device - Google Patents
Automatic adjust energy-conserving distribution device Download PDFInfo
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- CN108063444B CN108063444B CN201711446050.2A CN201711446050A CN108063444B CN 108063444 B CN108063444 B CN 108063444B CN 201711446050 A CN201711446050 A CN 201711446050A CN 108063444 B CN108063444 B CN 108063444B
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- transformer
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- 230000007704 transition Effects 0.000 claims abstract description 14
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 7
- 238000012795 verification Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
Abstract
The invention relates to an automatic regulation energy-saving power distribution device. The automatic regulation energy-saving distribution device comprises a first-stage transformer and a second-stage transformer, wherein the first-stage transformer is an oil-type transformer, and the second-stage transformer is an amorphous alloy transformer; the output end of the II-stage transformer is connected with an overcurrent protection switch and a current transformer and then is connected with a plurality of groups of heavy loads connected in parallel; the output end of the I-stage transformer is connected with an overcurrent protection switch and then is connected with a plurality of groups of low-load loads which are connected in parallel; the heavy load rear side of the II-stage transformer is also connected with a plurality of groups of transition loads which are respectively connected with the heavy load rear side of the I-stage transformer in parallel through normally-closed relay switches. The I-section transformer and the II-section transformer are matched for use, so that the state that the II-section transformer runs at full load all the time can be effectively realized.
Description
Technical field:
the invention relates to an automatic regulation energy-saving power distribution device.
The background technology is as follows:
in the prior art, transformers used for distribution are divided into two types, namely an S10 series oil type transformer with higher energy consumption, the transformer has higher energy consumption, belongs to obsolete products, has higher electricity utilization price for users, and is an amorphous alloy transformer, the transformer has low energy consumption and high electricity utilization efficiency, compared with the first type transformer, the transformer effectively reduces the emission of carbon dioxide and sulfur dioxide, can effectively reduce the pollution and the greenhouse effect to the environment, belongs to a novel environment-friendly type transformer, has lower electricity utilization price for users, reduces the electricity utilization expenditure of the users, uses a second type transformer as far as possible, and has a certain load operation range in use when the power load is changed, so that the full load operation of the second type transformer is always ensured under the same load, the use ratio of the second type transformer is ensured, and the key of energy conservation and consumption reduction are realized.
The invention comprises the following steps:
the invention provides an automatic regulation energy-saving power distribution device, which has reasonable and novel structural design, simple and convenient connection structure and quick and convenient control, adopts the cooperation of a section I transformer and a section II transformer, can effectively realize the state of always fully operating the section II transformer, effectively improves the utilization rate of the section II transformer, fully utilizes the energy-saving advantage of the section II transformer, plays a good energy-saving and environment-friendly role, effectively reduces the energy consumption and the electricity expenditure of electricity users, is suitable for wide popularization and use, and solves the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an automatic regulation energy-saving distribution device comprises a first-stage transformer and a second-stage transformer, wherein the first-stage transformer is an oil-type transformer, and the second-stage transformer is an amorphous alloy transformer; the output end of the II-stage transformer is connected with an overcurrent protection switch and a current transformer and then is connected with a plurality of groups of heavy loads connected in parallel; the output end of the I-stage transformer is connected with an overcurrent protection switch and then is connected with a plurality of groups of low-load loads which are connected in parallel; the rear side of the heavy load of the II-stage transformer is also connected with a plurality of groups of transition loads which are respectively connected with the normally closed relay switch in parallel, and the plurality of groups of transition loads are also connected with the rear side of the low load of the I-stage transformer in parallel through the normally open relay switch; each normally open relay switch and each normally closed relay switch are uniformly and correspondingly provided with a relay coil for controlling the switching action of the normally open relay switch and the normally closed relay switch, and the normally open relay switches and the relay coils of the normally closed relay switches corresponding to a group of transitional loads are connected in parallel to form a parallel relay coil group; the output current of the current transformer is connected with two current input ends of a load automatic controller, the output current of the current transformer is phase current of one phase line output by a II-stage transformer, the model of the load automatic controller is HTWD-12J, the voltage input end of the load automatic controller is connected with the voltage of the other two phase lines of the output end of the II-stage transformer, namely line voltage output by the II-stage transformer, and one phase voltage of the output end of the II-stage transformer is connected with a power supply end of the load automatic controller for supplying power to the load automatic controller through a switch LA; one end of the parallel relay coil group is connected with the control output end of the load automatic controller in a one-to-one correspondence manner, and the other end of the parallel relay coil group is connected with one phase line of the output of the II-stage transformer.
The load automatic controller parameter is set with a minimum load power and a maximum load power.
The control output end of the load automatic controller outputs an alternating current control signal.
The automatic load controller comprises a parameter setting module for setting the lowest load power value and the highest load power value, a storage module for storing the lowest load power value and the highest load power value, a calculation and verification module for calculating the load power of the II-stage transformer through the phase current and the line voltage and comparing the load power with the storage module of the lowest load power value and the highest load power value in the storage module, and a processing module for sending out control output alternating current control signals according to the verification result of the calculation and verification module.
The invention adopts the structure, the structure design is reasonable and novel, the connection structure is simple and convenient, the control is quick and convenient, the I-stage transformer and the II-stage transformer are matched for use, the state of always enabling the II-stage transformer to run at full load can be effectively realized, the utilization rate of the II-stage transformer is effectively improved, the energy-saving advantage of the II-stage transformer is fully utilized, the good energy-saving and environment-friendly effects are achieved, the energy consumption and the electricity expenditure of electricity users are effectively reduced, and the invention is suitable for wide popularization and application.
Description of the drawings:
fig. 1 is a connection diagram of a power distribution circuit of the present invention.
Fig. 2 is a connection diagram of a power distribution control circuit of the present invention.
In the figure, a 1I section transformer, a 2 II section transformer, a 3 overcurrent protection switch, a 4 current transformer, a 5 heavy load, a 6 low load, a 7 normally closed relay switch, an 8 transition load, a 9 normally open relay switch, a 10 relay coil, a 11 parallel relay coil group, a 12 load automatic controller and a 13 control output end.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1-2, an automatically adjusting energy-saving power distribution device comprises a section i transformer 1 and a section ii transformer 2, wherein the section i transformer 1 is an oil type transformer, and the section ii transformer 2 is an amorphous alloy transformer; the output end of the II-stage transformer 2 is connected with an overcurrent protection switch 3 and a current transformer 4 and then is connected with a plurality of groups of heavy loads 5 which are connected in parallel; the output end of the I-stage transformer 1 is connected with an overcurrent protection switch 3 and then is connected with a plurality of groups of low-load loads 6 which are connected in parallel; the rear side of the heavy load 5 of the II-stage transformer 2 is also connected with a plurality of groups of transition loads 8 which are respectively connected with the heavy load through normally closed relay switches 7 in parallel, and the plurality of groups of transition loads 8 are also respectively connected with the rear side of the low load 6 of the I-stage transformer 1 in parallel through normally open relay switches 9; each normally open relay switch 9 and each normally closed relay switch 7 are uniformly and correspondingly provided with a relay coil 10 for controlling the switching action of the normally open relay switch 9 and each normally closed relay switch 7, and the normally open relay switches 9 and the relay coils 10 of the normally closed relay switches 7 corresponding to a group of transition loads 8 are connected in parallel to form a parallel relay coil group 11; the output current of the current transformer 4 is connected with two current input ends of a load automatic controller 12, the output current of the current transformer 4 is phase current of one phase line output by a II-stage transformer, the model of the load automatic controller 12 is HTWD-12J, the voltage input end of the load automatic controller 12 is connected with voltages of the other two phase lines of the output end of the II-stage transformer 2, namely line voltage output by the II-stage transformer 2, and the line voltage of the output end of the II-stage transformer 2 is connected with a power supply end of the load automatic controller 12 for supplying power to the load automatic controller 12 through a switch LA; one end of the parallel relay coil group 11 is connected with the control output end 13 of the load automatic controller 12 in one-to-one correspondence, and the other end of the parallel relay coil group 11 is connected with one phase line of the output of the II-stage transformer 2.
The load automatic controller 12 parameters are set with a minimum load power and a maximum load power.
The control output end 13 of the automatic load controller 12 outputs an alternating current control signal.
The automatic load controller 12 includes a parameter setting module for setting a minimum load power value and a maximum load power value, a storage module for storing the minimum load power value and the maximum load power value, a calculation and verification module for calculating the load power of the ii-stage transformer by the phase current and the line voltage and comparing the load power with the minimum load power value and the maximum load power value in the storage module, and a processing module for sending a control output ac control signal according to the verification result of the calculation and verification module.
When the automatic regulation energy-saving distribution device is used, for example, the lowest load power value of the II-stage transformer 2 is 320Kva (apparent power), the highest load power value is 400Kva, when the load power on the II-stage transformer 2 is greater than 400Kva, the current value measured by the current transformer 4 can rise, the load automatic controller 12 can calculate the load power at the moment through the current value measured by the current transformer 4, and check that the load power value is greater than 400Kva, at the moment, the load automatic controller 12 can control the corresponding number of control output ends to output alternating current control signals, so that the corresponding parallel relay coil groups 11 are electrified, the corresponding normally open relay switches 9 are closed, and the normally closed relay switches 7 are opened, namely, the corresponding number of transition loads 8 are converted from being connected in parallel to the II-stage transformer 2 to being connected in parallel to the I-stage transformer 1, thereby effectively avoiding the overload operation of the II-stage transformer 2;
when the load power on the second-stage transformer 2 is smaller than 320Kva, the current value measured by the current transformer 4 is reduced, the load automatic controller 12 calculates the load power at this time according to the current value measured by the current transformer 4, and verifies that the load power value is smaller than 320Kva, at this time, the load automatic controller 12 controls one or more control output ends outputting the ac control signals to continuously output the ac electric signals, so that the corresponding parallel relay coil group 11 loses power, the parallel relay coil group 11 loses power causes the corresponding normally open relay switch 9 to be normally open, the normally closed relay switch 7 is normally closed, that is, the corresponding number of transitional loads 8 are up-converted from the parallel first-stage transformer 1 to be parallel connected to the second-stage transformer 2, the transition of corresponding number of transition loads 8 is accomplished, full load operation or nearly full load operation of II section transformers 2 has been guaranteed, load automatic control ware 12 real-time detection II section transformers 2's real-time load power, the quick completion is in full load operation or nearly full load operation to transition conversion processing of transition load 8, this connection structure is simple and convenient, control is swift convenient, adopt I section transformers and II section transformers cooperation to use, can effectively realize letting II section transformers full load operation's state all the time, effectively improve II section transformers's rate of utilization, the energy-conserving advantage of make full use of II section transformers, good energy-concerving and environment-protective effect has been played, energy consumption and electricity consumption user's power consumption expenditure have been effectively reduced.
The above embodiments are not to be taken as limiting the scope of the invention, and any alternatives or modifications to the embodiments of the invention will be apparent to those skilled in the art and fall within the scope of the invention.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (3)
1. An automatically regulated energy-conserving power distribution device, its characterized in that: the transformer comprises a first-stage transformer and a second-stage transformer, wherein the first-stage transformer is an oil-type transformer, and the second-stage transformer is an amorphous alloy transformer; the output end of the II-stage transformer is connected with an overcurrent protection switch and a current transformer and then is connected with a plurality of groups of heavy loads connected in parallel; the output end of the I-stage transformer is connected with an overcurrent protection switch and then is connected with a plurality of groups of low-load loads which are connected in parallel; the rear side of the heavy load of the II-stage transformer is also connected with a plurality of groups of transition loads which are respectively connected with the normally closed relay switch in parallel, and the plurality of groups of transition loads are also connected with the rear side of the low load of the I-stage transformer in parallel through the normally open relay switch; each normally open relay switch and each normally closed relay switch are uniformly and correspondingly provided with a relay coil for controlling the switching action of the normally open relay switch and the normally closed relay switch, and the normally open relay switches and the relay coils of the normally closed relay switches corresponding to a group of transitional loads are connected in parallel to form a parallel relay coil group; the output current of the current transformer is connected with two current input ends of a load automatic controller, the output current of the current transformer is phase current of one phase line output by a II-stage transformer, the model of the load automatic controller is HTWD-12J, the voltage input end of the load automatic controller is connected with the voltage of the other two phase lines of the output end of the II-stage transformer, namely line voltage output by the II-stage transformer, and one phase voltage of the output end of the II-stage transformer is connected with a power supply end of the load automatic controller for supplying power to the load automatic controller through a switch LA; one end of the parallel relay coil group is connected with the control output end of the load automatic controller in a one-to-one correspondence manner, and the other end of the parallel relay coil group is connected with one phase line of the output of the II-stage transformer.
2. An automatically adjusting energy saving power distribution apparatus as set forth in claim 1 wherein: the load automatic controller parameter is set with a minimum load power and a maximum load power.
3. An automatically adjusting energy saving power distribution apparatus as set forth in claim 1 wherein: the control output end of the load automatic controller outputs an alternating current control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446050.2A CN108063444B (en) | 2017-12-27 | 2017-12-27 | Automatic adjust energy-conserving distribution device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446050.2A CN108063444B (en) | 2017-12-27 | 2017-12-27 | Automatic adjust energy-conserving distribution device |
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| Publication Number | Publication Date |
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| CN108063444A CN108063444A (en) | 2018-05-22 |
| CN108063444B true CN108063444B (en) | 2023-11-14 |
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| CN201711446050.2A Active CN108063444B (en) | 2017-12-27 | 2017-12-27 | Automatic adjust energy-conserving distribution device |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5973899A (en) * | 1998-09-10 | 1999-10-26 | Pacificorp | Automated power feeder restoration system and method |
| CN1819443A (en) * | 2006-01-13 | 2006-08-16 | 马超峰 | Loading voltage distribution controlling system of intermittent small wind-driven generator |
| CN201294482Y (en) * | 2008-11-03 | 2009-08-19 | 重庆市电力公司城区供电局 | Economic operation intelligent control device for distribution transformer |
| CN201868896U (en) * | 2010-08-17 | 2011-06-15 | 重庆市电力公司城区供电局 | Economic operation system of transformer |
| CN102498632A (en) * | 2009-03-09 | 2012-06-13 | Abb技术有限公司 | System and method for real-time feeder reconfiguration for load balancing in distribution system automation |
| CN203218895U (en) * | 2013-04-23 | 2013-09-25 | 郑州金源特变电气有限公司 | Intelligent control device for capacity-variable energy-saving preassembled transformer substation |
| CN104242338A (en) * | 2014-08-27 | 2014-12-24 | 辽宁电能发展股份有限公司 | Micro grid system for transformer substation with distributed power supplies and control method |
| KR101549583B1 (en) * | 2015-05-18 | 2015-09-02 | 주식회사 태경전기산업 | Ring reactor device for load power duplexing |
| CN106024344A (en) * | 2016-07-25 | 2016-10-12 | 北京平开智能电气有限公司 | On-load capacity and voltage regulating device |
| CN207603220U (en) * | 2017-12-27 | 2018-07-10 | 山东优能电气设备有限公司 | A kind of automatic adjustment energy saving power distribution device |
-
2017
- 2017-12-27 CN CN201711446050.2A patent/CN108063444B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5973899A (en) * | 1998-09-10 | 1999-10-26 | Pacificorp | Automated power feeder restoration system and method |
| CN1819443A (en) * | 2006-01-13 | 2006-08-16 | 马超峰 | Loading voltage distribution controlling system of intermittent small wind-driven generator |
| CN201294482Y (en) * | 2008-11-03 | 2009-08-19 | 重庆市电力公司城区供电局 | Economic operation intelligent control device for distribution transformer |
| CN102498632A (en) * | 2009-03-09 | 2012-06-13 | Abb技术有限公司 | System and method for real-time feeder reconfiguration for load balancing in distribution system automation |
| CN201868896U (en) * | 2010-08-17 | 2011-06-15 | 重庆市电力公司城区供电局 | Economic operation system of transformer |
| CN203218895U (en) * | 2013-04-23 | 2013-09-25 | 郑州金源特变电气有限公司 | Intelligent control device for capacity-variable energy-saving preassembled transformer substation |
| CN104242338A (en) * | 2014-08-27 | 2014-12-24 | 辽宁电能发展股份有限公司 | Micro grid system for transformer substation with distributed power supplies and control method |
| KR101549583B1 (en) * | 2015-05-18 | 2015-09-02 | 주식회사 태경전기산업 | Ring reactor device for load power duplexing |
| CN106024344A (en) * | 2016-07-25 | 2016-10-12 | 北京平开智能电气有限公司 | On-load capacity and voltage regulating device |
| CN207603220U (en) * | 2017-12-27 | 2018-07-10 | 山东优能电气设备有限公司 | A kind of automatic adjustment energy saving power distribution device |
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| CN108063444A (en) | 2018-05-22 |
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