CN2912021Y - Energy saving prefabricating transformer substation - Google Patents
Energy saving prefabricating transformer substation Download PDFInfo
- Publication number
- CN2912021Y CN2912021Y CNU2006200133396U CN200620013339U CN2912021Y CN 2912021 Y CN2912021 Y CN 2912021Y CN U2006200133396 U CNU2006200133396 U CN U2006200133396U CN 200620013339 U CN200620013339 U CN 200620013339U CN 2912021 Y CN2912021 Y CN 2912021Y
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- transformer
- circuit
- central controller
- voltage
- gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to an energy saving pre-packed substation which comprises a house, a main transformer in the house and an electricity saving unit arranged on the low voltage side of the main transformer. Wherein, the electricity saving unit comprises an adjustable transformer with steps, a current detecting circuit, a voltage detecting circuit, a circuit for step adjustment and a central controller. The input terminal of the adjustable transformer with steps is connected with the low voltage side of the main transformer and the output terminal is connected with the load. The current detecting circuit and the voltage detecting circuit are respectively connected with the input and output terminal of the adjustable transformer with steps. The circuit for step adjustment is connected with the adjustable transformer with steps and the central controller. The central controller is respectively connected with the current detecting circuit, the voltage detecting circuit and the circuit for step adjustment. According to the result of detecting the current and the voltage, the step of the adjustable transformer with steps is adjusted by the circuit for step adjustment to dynamically adjust the output voltage to the load. The utility model realizes electricity saving function in the pre-packed substation and increases the safety of equipments and convenient management.
Description
Technical field
The utility model relates to the preassembled transformer station technical field, relates in particular to a kind of energy-conservation preassembled transformer station.
Background technology
Along with the development of society, the power consumption of city illumination and light fixture loss are increasing, and the lighting energy saving consumption reduction will more and more be subjected to extensive attention.In the power delivery process of supply of electric power department, power supply administration causes the terminal temperature difference brownout when avoiding in the transmission process voltage loss and peak of power consumption, especially street lighting electric power system, transmission line is long, the power transmission cable cross section is thinner, in order to reduce line loss, generally all adopting the prepackage type power transformation is the directly method of power supply of street lamp, therefore the voltage that in fact bears of user tends to be higher than the rated voltage of equipment, especially night voltage then higher, these voltages that exceed the quata not only can not allow the more efficient work of load, cause the electricity consumption waste on the contrary, the useful life of reducing lighting apparatus.
Mainly contain two kinds to street lamp power supply, road lamp power supply at present: the one, directly adopt the 400V electric power system streetlight control box to be installed to street lamp power supply, road lamp power supply in each highway section; The 2nd, after the power taking from the high-tension line of each highway section becomes the 400V system by preassembled transformer station (being box-type substation) with voltage again to street lamp power supply, road lamp power supply.Transitional street lamps control cabinet or preassembled transformer station generally become distributing function by main transformer A as shown in Figure 1, and road lighting power supply, waiting booth advertisement power supply, Landscape Lighting power supply, traffic monitoring power supply etc. can be provided, and do not have electricity-saving function.
If the realization electricity-saving function generally can only be installed battery saving arrangement at streetlight control box or preassembled transformer station next door, so both influenced the attractive in appearance of each highway section, increase the investment and the waste of equipment and resource again, also can bring potential safety hazard.
The utility model content
Technical problem to be solved in the utility model is: the utility model overcomes the prior art preassembled transformer station and adopts external battery saving arrangement, both influenced the attractive in appearance of highway section, increase the investment and the waste of equipment and resource again, and bring the shortcoming of potential safety hazard, a kind of energy-conservation preassembled transformer station is provided, in preassembled transformer station, realize electricity-saving function, the fail safe that improves equipment in the time of convenient the management.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be:
This energy-conservation preassembled transformer station comprises casing, is provided with main transformer in the casing, in the low-pressure side of described main transformer power save unit is set, and after described main transformer carries out transformation to high-tension electricity, through the processing of economizing on electricity of described power save unit, outputs to load again.
Described energy-conservation preassembled transformer station, wherein: described power save unit comprises gear adjustable transformer, current detection circuit, voltage detecting circuit, shift adjusting circuit and central controller; The input of described gear adjustable transformer links to each other with the low-pressure side of described main transformer, and gear adjustable transformer output is connected with load, and described gear adjustable transformer has a plurality of gears, and each gear has different output voltages; Described current detection circuit and voltage detecting circuit are connected the input and the output of described gear adjustable transformer respectively, and the electric current and the voltage of input and output is detected; Described shift adjusting circuit is connected with central controller with the gear adjustable transformer, described central controller also is connected with described current detection circuit, voltage detecting circuit, shift adjusting circuit respectively, described central controller is according to the testing result to described electric current and voltage, by the gear of described shift adjusting circuit regulation stall adjustable transformer, dynamic adjustments outputs to the voltage of load.
Described energy-conservation preassembled transformer station, wherein: described gear adjustable transformer adopts the autotransformer of many grades of taps of zero line side.
Described energy-conservation preassembled transformer station, wherein: described power save unit also comprises a bypass circuit, this bypass circuit respectively with the input of described gear adjustable transformer, output, and described central controller is connected, by central controller controls is too small at electric current, electric current is excessive, zero-sequence current is excessive or the input supply power voltage is crossed and carried out bypass when hanging down.
Described energy-conservation preassembled transformer station, wherein: directly or by network be connected with control terminal on the described central controller, automatically according to the detected supply power voltage of described voltage detecting circuit, compare with the upper and lower limit of voltage range by the set different gears of control terminal, control the gear adjustment that described shift adjusting circuit carries out transformer according to comparative result; Perhaps, adjust transformer to corresponding gear in the different time periods by the described shift adjusting circuit of central controller controls automatically according to the pairing gear of the different time sections that is provided with on the described control terminal.
Described energy-conservation preassembled transformer station, wherein: also be provided with the communication module that is connected with described central controller in the described power save unit, described communication module connects far-end control centre by wireless mode, by described central controller the electrical quantity of power save unit and the relevant information of shift adjusting circuit setting are sent to described communication module, send to far-end control centre by communication module again; Described communication module also receives the straighforward operation of far-end control centre to preassembled transformer station.
Described energy-conservation preassembled transformer station, wherein: also be provided with switch or contactor between described main transformer and the power save unit, described switch or contactor are connected with described central processing unit, and central processing unit carries out remote control combined floodgate and separating brake according to the remote signal that described communication module receives.
Described energy-conservation preassembled transformer station, wherein: also be provided with alarm trigger circuit in the described pre-installed transformer station box, described central processing unit is connected with alarm trigger circuit, alarm signal is sent to communication module by described central processing unit, and then send to far-end.
Described energy-conservation preassembled transformer station, wherein: described communication module is the GPRS module.
Described energy-conservation preassembled transformer station, wherein: described shift adjusting circuit is combined by several relays or contactor, according to the control of central controller, selects the circuit of corresponding gear to connect.
The beneficial effects of the utility model are: the utility model has overcome the prior art preassembled transformer station and has adopted external battery saving arrangement, both influenced the attractive in appearance of highway section, increase the investment and the waste of equipment and resource again, and bring the shortcoming of potential safety hazard, in preassembled transformer station, realize electricity-saving function, the fail safe that improves equipment in the time of convenient the management.Tradition is become distribution technique and modern power network voltage-regulation skill master organically blends, to require automatically output voltage to be implemented intelligent control and regulate according to the variation or the preset time of line voltage by microcomputer, make the electric power terminal user locate power supply parameter and reach most economical user mode.Not only realized the purpose of electrical energy saving, and really realized electricity consumption and system management, network control and information sharing, made the effect of whole using electricity system reach maximization.
The utlity model has economize on electricity, safety, complete property strong, take up an area of less, maintain easily, advantage such as the life-span is long, handsome in appearance, can be used as energy-conservation, the distribution equipment in places such as urban road, highway, harbour, harbour, square, oil field.
Description of drawings
Fig. 1 is existing preassembled transformer station electrical block diagram;
Fig. 2 is the energy-conservation preassembled transformer station electrical block diagram of the utility model;
Fig. 3 is the energy-conservation preassembled transformer station operation principle of a utility model schematic diagram;
Fig. 4 is the energy-conservation preassembled transformer station control principle of a utility model schematic diagram.
Embodiment
With embodiment the utility model is described in further detail with reference to the accompanying drawings below:
As shown in Figure 2, the utility model provides a kind of energy-conservation preassembled transformer station, and cardinal principle is by reducing the method for illuminating lamp group supply voltage, reducing the power consumption of light fixture, thereby reach the purpose of energy savings.This energy-conservation preassembled transformer station comprises casing, is provided with main transformer A in the casing, in the low-pressure side of main transformer A power save unit B is set, and after main transformer carries out transformation to high-tension electricity, through the power save unit processing of economizing on electricity, outputs to load again.
As shown in Figure 3, power save unit comprises gear adjustable transformer (can adopt the autotransformer of many grades of taps of zero line side), current detection circuit, voltage detecting circuit, shift adjusting circuit and central controller; The input of gear adjustable transformer links to each other with the low-pressure side of main transformer, and gear adjustable transformer output is connected with load, and the gear adjustable transformer has a plurality of gears, and each gear has different output voltages; Current detection circuit and voltage detecting circuit are connected the input and the output of gear adjustable transformer respectively, and the electric current and the voltage of input and output is detected; Shift adjusting circuit is connected with central controller with the gear adjustable transformer, central controller also is connected with current detection circuit, voltage detecting circuit, shift adjusting circuit respectively, central controller is according to the testing result to electric current and voltage, by the gear of shift adjusting circuit regulation stall adjustable transformer, dynamic adjustments outputs to the voltage of load.
Shift adjusting circuit is combined by several relays or contactor, according to the control of central controller, selects the circuit of corresponding gear to connect.
Power save unit also comprises a bypass circuit, this bypass circuit respectively with the input of gear adjustable transformer, output, and central controller is connected, by central controller controls is too small at electric current, electric current is excessive, zero-sequence current is excessive or the input supply power voltage is crossed and carried out bypass when hanging down.
Directly or by network be connected with control terminal on the central controller, automatically according to the detected supply power voltage of voltage detecting circuit, compare with the upper and lower limit of voltage range by the set different gears of control terminal, carry out the gear adjustment of transformer according to comparative result control shift adjusting circuit, when current voltage surpasses a certain higher limit, gear is adjusted to higher leveled economize on electricity shelves, and when current voltage was lower than a certain lower limit, gear was adjusted to the economize on electricity shelves of low one-level; Perhaps, adjust transformer to corresponding gear in the different time periods by the central controller controls shift adjusting circuit automatically according to the pairing gear of the different time sections that is provided with on the control terminal.
As shown in Figure 4, also be provided with communication module (adopting the GPRS module) in the power save unit, can connect the computer of far-end control centre by wireless remote, the operator on duty can monitor and remote control preassembled transformer station by long-range on computers; Communication module is connected with central controller, central controller sends by central controller the relevant information of all electrical quantitys such as electric current, voltage, active power and electric degree, reactive power and the electric degree of power save unit, power factor and shift adjusting circuit setting to described communication module, be connected on the computer of far-end control centre by the communication module wireless remote, the operator on duty also can carry out the operation of remote regulating on computers to preassembled transformer station simultaneously again.Also be provided with switch or contactor between main transformer and the power save unit, switch or contactor are connected with central processing unit, and remote signal is carried out remote control combined floodgate and separating brake on the far-end control centre computer that central processing unit receives according to communication module.
Also be provided with various alarm trigger circuit in the pre-installed transformer station box, as gate inhibition's warning circuit, water logging warning circuit, smog alarm circuit, temperature alarm circuit, infrared mobile anti-theft warning circuit etc., central processing unit is connected with alarm trigger circuit, alarm signal is sent to communication module by central processing unit, pass on the far-end control centre computer, the operator on duty can see alarm signal and hear alarm sound in far-end control centre.
Utilize communication module and far-end control centre to carry out alternately, the utility model can be realized four remote control function:
1, remote measurement: to three-phase voltage, electric current, active power, reactive power, apparent power, power factor, active electrical degree, idle electric degree, zero-sequence current, frequency, detect run time statistics, power-saving running time, bypass running time etc., sends to far-end control centre;
2, remote control: carry out circuit breaker (switch or contactor) combined floodgate/separating brake, regulate economize on electricity gear, manual switching according to the order of far-end control centre;
3, remote regulating: parameter setting/modification is carried out in the order according to far-end control centre, as the setting of voltage gear, time period gear setting, time period breaker closing/separating brake setting etc.;
4, remote signalling: can show breaker closing/separating brake, range state, gate inhibition's state etc. in far-end control centre.
The control of the utility model power save unit can be divided into manually and automatic mode is regulated the gear of autotransformer, and autotransformer is divided into 4 gears, the mode of autotransformer employing zero line side tapping, and its advantage is that switch current is little, the contactor cost is low.The different gear of autotransformer has different output voltages, and voltage is reduced different values, and making the voltage that outputs to load is the rational magnitude of voltage of less expensive.Can on far-end control centre guidance panel, directly carry out on-load during manual mode and regulate the economize on electricity gear, also can be connected with communication module and carry out wireless remote on-load adjusting economize on electricity gear by the RS485 communication interface of central processing unit.Power save unit can be set a plurality of voltage ranges when automatic mode, can regulate the economize on electricity gear automatically according to the variation of primary voltage, also can set the gear of different period correspondences, according to the automatic economize on electricity gear of regulating of period.But and set position action blanking time, there are not functions such as stream bypass, over-current side path, zero sequence over-current side path.
The measurement of the utility model controller current collection power, control and communication are one, control and show the gear and the electrical quantity of autotransformer by the voltage and current of central controller detection power save unit, change the output voltage of power save unit, and can communicate by letter with GPRS by RS485 communication and realize remote monitoring and measurement, stay indoors and just can control in preassembled transformer station thousands of miles away.Central controller carries out the record and the measurement of electrical quantity, can measure and record voltage, electric current, power, power factor, frequency electric degree etc.In when control economize on electricity, can according to circumstances adopt the economize on electricity adjustment of gear of period control or voltage control, remove to adjust the gear of power save unit again by shift adjusting circuit.Can be connected with computer and network by RS485 interface or wireless communication interface (GPRS), can monitor all measurement data and the information of power save unit by communication network, realize remote monitoring, adjusting, control and data acquisition, printing, need not to arrive again on-the-spot inspection.
The utility model has reduced waste and the unnecessary loss that causes because of irregular the fluctuating widely of the reduction of the power supplied locally power supply quality that distribution network unreasonable allocation and whole network bring with the unbalanced variation of electric loading and supply power voltage, and the high-quality power supply of personalization is provided for load.Under guaranteeing for the prerequisite with the electric loading normal power supply such as production, life, every electric parameter according to the output of the variation real-time monitoring power supply of the actual behaviour in service of load, the degree body that reaches power supply is tailor-made, electricity consumption economic and practical, thus reach the harmony of economize on electricity and electricity consumption.
Those skilled in the art do not break away from essence of the present utility model and spirit, can there be the various deformation scheme to realize the utility model, the above only is the preferable feasible embodiment of the utility model, be not so limit to interest field of the present utility model, the equivalence that all utilization the utility model specifications and accompanying drawing content are done changes, and all is contained within the interest field of the present utility model.
Claims (10)
1, a kind of energy-conservation preassembled transformer station comprises casing, is provided with main transformer in the casing, it is characterized in that: the low-pressure side at described main transformer is provided with power save unit, after described main transformer carries out transformation to high-tension electricity,, output to load again through the processing of economizing on electricity of described power save unit.
2, energy-conservation preassembled transformer station according to claim 1, it is characterized in that: described power save unit comprises gear adjustable transformer, current detection circuit, voltage detecting circuit, shift adjusting circuit and central controller;
The input of described gear adjustable transformer links to each other with the low-pressure side of described main transformer, and gear adjustable transformer output is connected with load, and described gear adjustable transformer has a plurality of gears, and each gear has different output voltages;
Described current detection circuit and voltage detecting circuit are connected the input and the output of described gear adjustable transformer respectively, and the electric current and the voltage of input and output is detected;
Described shift adjusting circuit is connected with central controller with the gear adjustable transformer, described central controller also is connected with described current detection circuit, voltage detecting circuit, shift adjusting circuit respectively, described central controller is according to the testing result to described electric current and voltage, by the gear of described shift adjusting circuit regulation stall adjustable transformer, dynamic adjustments outputs to the voltage of load.
3, energy-conservation preassembled transformer station according to claim 2 is characterized in that: described gear adjustable transformer adopts the autotransformer of many grades of taps of zero line side.
4, energy-conservation preassembled transformer station according to claim 2, it is characterized in that: described power save unit also comprises a bypass circuit, this bypass circuit respectively with the input of described gear adjustable transformer, output, and described central controller is connected, by central controller controls is too small at electric current, electric current is excessive, zero-sequence current is excessive or the input supply power voltage is crossed and carried out bypass when hanging down.
5, energy-conservation preassembled transformer station according to claim 2, it is characterized in that: directly or by network be connected with control terminal on the described central controller, automatically according to the detected supply power voltage of described voltage detecting circuit, compare with the upper and lower limit of voltage range by the set different gears of control terminal, control the gear adjustment that described shift adjusting circuit carries out transformer according to comparative result; Perhaps, adjust transformer to corresponding gear in the different time periods by the described shift adjusting circuit of central controller controls automatically according to the pairing gear of the different time sections that is provided with on the described control terminal.
6, energy-conservation preassembled transformer station according to claim 2, it is characterized in that: also be provided with the communication module that is connected with described central controller in the described power save unit, described communication module connects far-end control centre by wireless mode, by described central controller the electrical quantity of power save unit and the relevant information of shift adjusting circuit setting are sent to described communication module, send to far-end control centre by communication module again; Described communication module also receives the straighforward operation of far-end control centre to preassembled transformer station.
7, energy-conservation preassembled transformer station according to claim 6, it is characterized in that: also be provided with switch or contactor between described main transformer and the power save unit, described switch or contactor are connected with described central processing unit, and central processing unit carries out remote control combined floodgate and separating brake according to the remote signal that described communication module receives.
8, energy-conservation preassembled transformer station according to claim 6, it is characterized in that: also be provided with alarm trigger circuit in the described pre-installed transformer station box, described central processing unit is connected with alarm trigger circuit, alarm signal is sent to communication module by described central processing unit, and then send to far-end.
9, according to claim 6,7 or 8 described energy-conservation preassembled transformer stations, it is characterized in that: described communication module is the GPRS module.
10, energy-conservation preassembled transformer station according to claim 2, it is characterized in that: described shift adjusting circuit is combined by several relays or contactor, according to the control of central controller, selects the circuit of corresponding gear to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200133396U CN2912021Y (en) | 2006-03-30 | 2006-03-30 | Energy saving prefabricating transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200133396U CN2912021Y (en) | 2006-03-30 | 2006-03-30 | Energy saving prefabricating transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2912021Y true CN2912021Y (en) | 2007-06-13 |
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ID=38133884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200133396U Expired - Fee Related CN2912021Y (en) | 2006-03-30 | 2006-03-30 | Energy saving prefabricating transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2912021Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370843A (en) * | 2010-12-16 | 2013-10-23 | 施耐德电器工业公司 | Communication device and electric board comprising such a device |
| CN105375784A (en) * | 2015-12-09 | 2016-03-02 | 苏州工业职业技术学院 | Power output control system |
| CN106463916A (en) * | 2014-04-25 | 2017-02-22 | 金美来 | Household distribution box for forcible power interruption and forcible power interruption system |
-
2006
- 2006-03-30 CN CNU2006200133396U patent/CN2912021Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370843A (en) * | 2010-12-16 | 2013-10-23 | 施耐德电器工业公司 | Communication device and electric board comprising such a device |
| CN103370843B (en) * | 2010-12-16 | 2015-11-25 | 施耐德电器工业公司 | Communication equipment and the distribution panelboard containing such equipment |
| CN106463916A (en) * | 2014-04-25 | 2017-02-22 | 金美来 | Household distribution box for forcible power interruption and forcible power interruption system |
| CN106463916B (en) * | 2014-04-25 | 2018-10-26 | 金美来 | It forces power-off Domestic distributing box and forces power-off system |
| CN105375784A (en) * | 2015-12-09 | 2016-03-02 | 苏州工业职业技术学院 | Power output control system |
| CN105375784B (en) * | 2015-12-09 | 2018-04-27 | 苏州工业职业技术学院 | Power supply output control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070613 Termination date: 20110330 |