CN203218762U - Capacity-variable energy-saving preassembled transformer substation - Google Patents
Capacity-variable energy-saving preassembled transformer substation Download PDFInfo
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- CN203218762U CN203218762U CN 201320208124 CN201320208124U CN203218762U CN 203218762 U CN203218762 U CN 203218762U CN 201320208124 CN201320208124 CN 201320208124 CN 201320208124 U CN201320208124 U CN 201320208124U CN 203218762 U CN203218762 U CN 203218762U
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Abstract
The utility model discloses a capacity-variable energy-saving preassembled transformer substation including a case body. A high-voltage chamber, a transformer chamber and a low-voltage chamber are arranged in the case; a high-voltage wire entering cabinet is arranged in the high-voltage chamber. The capacity-variable energy-saving preassembled transformer substation is provided with an intelligent detection and control device including a load detection unit and an intelligent control unit, wherein the load detection unit is arranged in the high-voltage wire entering cabinet, and the intelligent control unit controls the switch-on and switch-off of load switches through a load switch control unit and controls the switch-on and switch-off of circuit breakers through a circuit breaker control unit; and the load switches are arranged in the high-voltage chamber and the circuit breakers are arranged in the low-voltage chamber. Through application of current detection and conversion and intelligent programmable control technologies and cooperation of the switch-on and switch-off of the high-voltage load switches and a network interconnecting circuit breaker, the capacity-variable energy-saving preassembled transformer substation is capable of automatic conversion according to the actual load. Thus the phenomenon that transformers operate with electricity even when electrical load is small is prevented, transformer wear is reduced, and capacity variation and power saving of the preassembled transformer substation are realized.
Description
Technical field
The utility model relates to a kind of transformer station, relates in particular to a kind of urban and rural power grids that are widely used in for the energy-conservation preassembled transformer station of transfiguration of distribution engineering.
Background technology
Preassembled transformer station is the visual plant of electric power system distribution; its collection high-tension switch cabinet, transformer, low-voltage distribution cabinet, control protection, power distribution function are one; advantage such as easy for installation, that floor space is little, cost is low, the construction period is short is widely used in places such as residential quarter, construction site for distribution engineering.To guaranteeing that resident living, industrial and agricultural production electricity consumption have important function, for social stability, promote that harmonious society is also significant.
At present, the shortcoming of existing preassembled transformer station existence is:
1, the power transformation capacity of most of preassembled transformer stations is changeless, is exactly when very little with electric loading, and distribution transformer is charging operation always also, causes low load with strong power, wastes energy, and is unfavorable for environmental protection.
2, real estate residential quarter newly developed particularly, sales cycle is long, and the owner does not concentrate the time of moving in, occupancy rate is low, it is big that transformer loss takies the electric weight ratio, average electricity price height is not that property is sustained economic losses before electric company's charge is transferred in electricity consumption, conflicts with the owner exactly.
3, after electric company's regulate charges is transferred in electricity consumption, only contradiction shifts, and the waste electric energy increases electric company's operation cost too, influences electric company's economic benefit.
The utility model content
The purpose of this utility model just is to provide a kind of urban and rural power grids that are widely used in for the energy-conservation preassembled transformer station of transfiguration of distribution engineering; immobilize to solve existing preassembled transformer station power transformation capacity; when very light with electric loading; big capacity distribution transformer is charging operation always also; low load with strong power, transformer electric energy loss are big; waste energy, be unfavorable for the problem of environmental protection.
For achieving the above object, the utility model is by the following technical solutions:
The utility model comprises casing, be provided with hyperbaric chamber, transformer room and low-pressure chamber in the casing, be provided with the high pressure incoming line cabinet in the described hyperbaric chamber, in the energy-conservation preassembled transformer station of transfiguration the Intelligent Measurement control device be set, the Intelligent Measurement control device comprises load detecting unit and intelligent control unit; Wherein, the load detecting unit is arranged in the high pressure incoming line cabinet, and intelligent control unit closes by the pass of on-load switch control unit control on-load switch, and intelligent control unit is by the folding of circuit breaker control unit control circuit breaker; Wherein, on-load switch is arranged in the hyperbaric chamber, and circuit breaker is arranged in the low-pressure chamber.
Be provided with load detection signal harvester and current transducer device in the described load detecting unit, send into intelligent control unit after the measured load current of load detection signal harvester is handled by the current transducer device.
Described load detection signal harvester is high-tension current inductor.
Be provided with Programmable Logic Controller in the described intelligent control unit, Programmable Logic Controller is connected with the A/D modular converter by data wire.
Described on-load switch is electronic high voltage load switch.
In the on-load switch control unit, be provided with the on-load switch breaking coil and the on-load switch closing coil that are electrically connected with electronic high voltage load switch.
Described circuit breaker is low-voltage circuit breaker.
In circuit breaker control unit, be provided with and the electric breaker closing coil that is connected of low voltage liaison net circuit breaker and the under-voltage coil of circuit breaker.
Be provided with transformer I and transformer II in the transformer room, the capacity of transformer II is 2 times of transformer I capacity.
Described circuit breaker comprises circuit breaker I and circuit breaker II, is provided with network interconnecting circuit between circuit breaker I and circuit breaker II.
Compared with prior art, adopt the utility model of technique scheme that following characteristics are arranged: applied current detects conversion and intelligent control technology able to programme, cooperate the pass of high voltage load switch and low voltage liaison net circuit breaker to close, the energy-conservation preassembled transformer station capacity of transfiguration can according to the load size former preassembled transformer station capacity 33%, 66%, 100% between automatically conversion, avoided low load with strong power, reduce transformer loss, realized the effect of the transfiguration economize on electricity of the energy-conservation preassembled transformer station of transfiguration.
Description of drawings
Fig. 1 is controlling party block diagram of the present utility model.
Fig. 2 is electrical systematic drawing of the present utility model.
Fig. 3 is Based Intelligent Control block diagram of the present utility model.
Fig. 4 is the utility model Based Intelligent Control schematic diagram.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the utility model comprises casing, is provided with hyperbaric chamber, transformer room and low-pressure chamber in the casing, is provided with the high pressure incoming line cabinet in the described hyperbaric chamber, high-voltage board I and high-voltage board II; Be provided with transformer case I and transformer case II in the transformer room, transformer I B1 is arranged in the transformer case I, transformer II B2 is arranged in the transformer case II, is provided with the contact low-voltage cabinet between transformer case I and transformer case II, is provided with network interconnecting circuit in the contact low-voltage cabinet; Be provided with low-voltage cabinet I, low-voltage compensation cabinet I, low-voltage cabinet II and low-voltage compensation cabinet II in the low-pressure chamber; In the energy-conservation preassembled transformer station of transfiguration, the Intelligent Measurement control device is set, the Intelligent Measurement control device comprises load detecting unit and intelligent control unit, wherein, the load detecting unit is arranged in the high pressure incoming line cabinet, intelligent control unit closes by the pass of on-load switch control unit control on-load switch, described on-load switch is electronic high voltage load switch, and intelligent control unit is by the folding of circuit breaker control unit control circuit breaker, and described circuit breaker is low-voltage circuit breaker; Wherein, on-load switch is arranged in the hyperbaric chamber, and circuit breaker is arranged in the low-pressure chamber.
The low pressure outlet of transformer I B1 connects the upper end of the network interconnecting circuit in low-voltage cabinet I, low-voltage compensation cabinet I and the low voltage liaison net cabinet, and the low pressure outlet of transformer II B2 connects the lower end of the network interconnecting circuit in low-voltage cabinet II, low-voltage compensation cabinet II and the low voltage liaison net cabinet; Transformer I B1 and transformer II B2 are respectively by the circuit breaker I in the low-pressure chamber and the control of circuit breaker II, between two transformer cases, be provided with the contact low-voltage cabinet, the folding that intelligent control unit closes and controls circuit breaker by circuit breaker control unit by the pass of on-load switch control unit control on-load switch, this both can realize two transformers fanout operation simultaneously, and the energy-conservation preassembled transformer station capacity of transfiguration this moment is 100% of former preassembled transformer station capacity; Also can drive whole load isolated operations by transformer I B1 when underload, B2 is out of service for the transformer II, and the energy-conservation preassembled transformer station capacity of transfiguration this moment is about 33% of former preassembled transformer station capacity; Can also drive whole load isolated operations by transformer II B2 when medium load, B1 is out of service for the transformer I, and the energy-conservation preassembled transformer station capacity of transfiguration this moment is about 66% of former preassembled transformer station capacity.As mentioned above, under the effect of Intelligent Measurement control device, the energy-conservation preassembled transformer station capacity of transfiguration can be according to the size of actual loading, former preassembled transformer station capacity 33%, 66%, 100% between automatically conversion, this has been avoided low load with strong power, reduced transformer loss, realized that transfiguration is energy-conservation.
1, the energy-conservation preassembled transformer station transfiguration combination of transfiguration
The energy-conservation preassembled transformer station of the transfiguration distribution transformer total capacity that existing preassembled transformer station is required is split as the transformer of 33% and 66% two different capabilities of former preassembled transformer station capacity, be about 33% of former preassembled transformer station capacity during transformer I B1 operation, total capacity was about 100% of former preassembled transformer station capacity when 66%, two transformer that transformer II B2 operation the time is about former preassembled transformer station capacity moved simultaneously.
2, the energy-conservation preassembled transformer station load detecting of transfiguration unit
Be provided with load detection signal harvester and current transducer device in the load detecting unit, described load detection signal harvester is the high-tension current inductor TAa that gathers A phase line load current and the high-tension current inductor TAc that gathers C phase line load current, the current transducer device is PA-20 current transducer PA, and high-tension current inductor TAa is connected with PA-20 current transducer PA input terminal with high-tension current inductor TAc; After handling by PA-20 current transducer PA, the measured load current of high-tension current inductor TAa and high-tension current inductor TAc sends among the input terminal V+ and input terminal COM of the DVP04AD A/D conversion module U2 in the intelligent control unit.
3, the energy-conservation preassembled transformer station intelligent control unit of transfiguration
Be provided with Programmable Logic Controller and A/D modular converter in the intelligent control unit, Programmable Logic Controller is connected with the A/D modular converter by data wire; Described Programmable Logic Controller is DVP-16ESOOR Programmable Logic Controller U1, and the A/D conversion module is DVP04AD A/D conversion module U2; DVP04AD A/D conversion module U2 in the intelligent control unit is according to the size of load current, intelligent control unit closes by the pass of on-load switch control unit control on-load switch, and the folding by circuit breaker control unit control circuit breaker, make the energy-conservation preassembled transformer station of transfiguration according to the automatic conversion of the needs of actual loading.
Adopt the utility model of technique scheme, applied current detects conversion and intelligent control technology able to programme, cooperate the pass of electronic high voltage load switch and network interconnecting circuit to close, the energy-conservation preassembled transformer station capacity of transfiguration former preassembled transformer station capacity 33%, 66%, 100% between automatically switch, avoided low load with strong power, reduce transformer loss, realized the effect of the transfiguration economize on electricity of the energy-conservation preassembled transformer station of transfiguration.
Operation principle of the present utility model and process are as follows:
When the energy-conservation preassembled transformer station of transfiguration is worked, on-load switch I in the Intelligent Measurement control device control high-voltage board I is closed a floodgate, transformer I B1 operation in the transformer case I, network interconnecting circuit in circuit breaker I in the low-voltage cabinet I and the contact low-voltage cabinet closes a floodgate, drive whole loads, the energy-conservation preassembled transformer station capacity of transfiguration this moment is about 33% of former preassembled transformer station capacity.
When increasing with electric loading, when surpassing the normal economical operation point of transformer I B1, the measured load current of high-tension current inductor TAa and high-tension current inductor TAc is transformed to the direct current standard signal with load current and is transported to DVP04AD A/D conversion module U2 by current transducer, the Intelligent Measurement control device is by comparing with the parameter of setting, on-load switch II in the control high-voltage board II is closed a floodgate, transformer II B2 operation in the transformer case II, circuit breaker II in the low-voltage cabinet II is closed a floodgate, the on-load switch I disconnects, B1 is out of service for the transformer I, and the energy-conservation preassembled transformer station capacity of transfiguration this moment is about 66% of former preassembled transformer station capacity.
When continuing to increase with electric loading, when surpassing the normal economical operation point of transformer II B2, the measured load current of high-tension current inductor TAa and high-tension current inductor TAc is transformed to load current the direct current standard signal and is transported to the A/D modular converter by current transducer, the Intelligent Measurement control device is by comparing with the parameter of setting, the on-load switch I is closed a floodgate, control transformer I B1 also participates in operation, meanwhile, network interconnecting circuit disconnects, two transformers are fanout operations simultaneously, the energy-conservation preassembled transformer station capacity of transfiguration this moment be former preassembled transformer station capacity be 100%.
When reducing with electric loading, when being lower than the normal economical operation point of two transformers, the measured load current of high-tension current inductor TAa and high-tension current inductor TAc is transformed to load current the direct current standard signal and is transported to the A/D modular converter by current transducer, the Intelligent Measurement control device is by comparing with the parameter of setting, the control network interconnecting circuit closes a floodgate, the on-load switch I disconnects, B1 is out of service for the transformer I, and the energy-conservation preassembled transformer station capacity of transfiguration this moment is again at about 66% of former preassembled transformer station capacity.
When continuing to reduce with electric loading, when being lower than the normal economical operation point of transformer II B2, the measured load current of high-tension current inductor TAa and high-tension current inductor TAc is transformed to load current the direct current standard signal and is transported to the A/D modular converter by current transducer, the Intelligent Measurement control device is by comparing with the parameter of setting, the on-load switch I is closed a floodgate, transformer I B1 operation, the on-load switch II disconnects, B2 is out of service for the transformer II, and the energy-conservation preassembled transformer station capacity of transfiguration this moment is again at about 33% of former preassembled transformer station capacity.
Claims (10)
1. energy-conservation preassembled transformer station of transfiguration, it comprises casing, be provided with hyperbaric chamber, transformer room and low-pressure chamber in the casing, it is characterized in that: be provided with the high pressure incoming line cabinet in the described hyperbaric chamber, in the energy-conservation preassembled transformer station of transfiguration the Intelligent Measurement control device is set, the Intelligent Measurement control device comprises load detecting unit and intelligent control unit; Wherein, the load detecting unit is arranged in the high pressure incoming line cabinet, and intelligent control unit closes by the pass of on-load switch control unit control on-load switch, and intelligent control unit is by the folding of circuit breaker control unit control circuit breaker; Wherein, on-load switch is arranged in the hyperbaric chamber, and circuit breaker is arranged in the low-pressure chamber.
2. the energy-conservation preassembled transformer station of transfiguration according to claim 1, it is characterized in that: be provided with load detection signal harvester and current transducer device in the described load detecting unit, send into intelligent control unit after the measured load current of load detection signal harvester is handled by the current transducer device.
3. the energy-conservation preassembled transformer station of transfiguration according to claim 2, it is characterized in that: described load detection signal harvester is high-tension current inductor.
4. the energy-conservation preassembled transformer station of transfiguration according to claim 1, it is characterized in that: be provided with Programmable Logic Controller in the described intelligent control unit, Programmable Logic Controller is connected with the A/D modular converter by data wire.
5. the energy-conservation preassembled transformer station of transfiguration according to claim 1, it is characterized in that: described on-load switch is electronic high voltage load switch.
6. the energy-conservation preassembled transformer station of transfiguration according to claim 5 is characterized in that: be provided with the on-load switch breaking coil and the on-load switch closing coil that are electrically connected with electronic high voltage load switch in the on-load switch control unit.
7. the energy-conservation preassembled transformer station of transfiguration according to claim 1, it is characterized in that: described circuit breaker is low-voltage circuit breaker.
8. the energy-conservation preassembled transformer station of transfiguration according to claim 7 is characterized in that: be provided with in circuit breaker control unit and the electric breaker closing coil that is connected of low voltage liaison net circuit breaker and the under-voltage coil of circuit breaker.
9. the energy-conservation preassembled transformer station of transfiguration according to claim 1, it is characterized in that: be provided with transformer I and transformer II in the transformer room, the capacity of transformer II is 2 times of transformer I capacity.
10. the energy-conservation preassembled transformer station of transfiguration according to claim 1, it is characterized in that: described circuit breaker comprises circuit breaker I and circuit breaker II, is provided with network interconnecting circuit between circuit breaker I and circuit breaker II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208124 CN203218762U (en) | 2013-04-23 | 2013-04-23 | Capacity-variable energy-saving preassembled transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208124 CN203218762U (en) | 2013-04-23 | 2013-04-23 | Capacity-variable energy-saving preassembled transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN203218762U true CN203218762U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320208124 Expired - Fee Related CN203218762U (en) | 2013-04-23 | 2013-04-23 | Capacity-variable energy-saving preassembled transformer substation |
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| CN (1) | CN203218762U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683082A (en) * | 2013-11-25 | 2014-03-26 | 郭建厂 | Prefabricated bin for high-voltage SF6 phase angle control switching breaker |
| CN105140813A (en) * | 2015-10-19 | 2015-12-09 | 山东驰翔电气有限公司 | Compact American-type substation |
| CN106059094A (en) * | 2016-08-25 | 2016-10-26 | 贾杰栋 | Distribution substation transformer energy saving control system and method |
| CN106532682A (en) * | 2016-08-25 | 2017-03-22 | 贾杰栋 | Intelligent load detecting and distributing control device |
| CN113890007A (en) * | 2020-07-02 | 2022-01-04 | 中国移动通信集团设计院有限公司 | Prepackage type power supply and distribution system |
-
2013
- 2013-04-23 CN CN 201320208124 patent/CN203218762U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683082A (en) * | 2013-11-25 | 2014-03-26 | 郭建厂 | Prefabricated bin for high-voltage SF6 phase angle control switching breaker |
| CN105140813A (en) * | 2015-10-19 | 2015-12-09 | 山东驰翔电气有限公司 | Compact American-type substation |
| CN106059094A (en) * | 2016-08-25 | 2016-10-26 | 贾杰栋 | Distribution substation transformer energy saving control system and method |
| CN106532682A (en) * | 2016-08-25 | 2017-03-22 | 贾杰栋 | Intelligent load detecting and distributing control device |
| CN106059094B (en) * | 2016-08-25 | 2019-06-07 | 贾杰栋 | Distribution substation's transformer energy saving control system and method |
| CN106532682B (en) * | 2016-08-25 | 2024-03-19 | 贾杰栋 | Intelligent load detection distribution control device |
| CN113890007A (en) * | 2020-07-02 | 2022-01-04 | 中国移动通信集团设计院有限公司 | Prepackage type power supply and distribution system |
| CN113890007B (en) * | 2020-07-02 | 2023-11-21 | 中国移动通信集团设计院有限公司 | Preassembled power supply and distribution system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20170423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |