CN103441438A - On-load capacitance regulating box-type transformer substation - Google Patents
On-load capacitance regulating box-type transformer substation Download PDFInfo
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Abstract
The invention provides an on-load capacitance regulating box-type transformer substation. The transformer substation comprises an on-load capacitance regulating transformer set, high-voltage side equipment and low-voltage side equipment, wherein the high-voltage side equipment transmits a high voltage to the on-load capacitance regulating transformer set. The on-load capacitance regulating transformer set transmits the high voltage to the sets of low voltage side equipment after performing voltage transformation on the high voltage. The on-load capacitance regulating transformer set at least comprises two on-load capacitance regulating transformers capable of parallel operation and a selector switch, the two on-load capacitance regulating transformers are respectively connected with the two sets of low voltage side equipment, and the selector switch is installed between the two sets of low voltage side equipment and performs switching action according to actual loading requirements and the operation states of the two on-load capacitance regulating transformers. The on-load capacitance regulating box-type transformer substation can meet various working condition application occasions, economical operation of the transformers is ensured, power supplying quality is improved, and the problem that capacity of transformers in the prior art cannot meet actual requirements on site is solved.
Description
Technical field
The present invention relates to electric power system, be specifically related to a kind of loaded capacity-regulated box-type substation.
Background technology
Box-type substation claims again complete set transformer station, is a kind of by high voltage switchgear, transformer and low-voltage device, by certain connection plan combination, by prefabrication all-in-one-piece complete set of equipments.It is the American-European Novel complete set equipment that waits a kind of outdoor substation of western developed country popularization, because it has combination flexibly, be convenient to transportation, migration, easy for installation, the advantage such as short construction period, operating cost are low, pollution-free, non-maintaining, be subject to countries in the world work about electric power person's attention.
The case change nowadays proposed is mainly reflected in realization " four is distant " function, be remote signalling, remote measurement, remote control, remote regulating, bias toward the functions such as data acquisition, monitoring, communication that case become to equipment, and to case become selecting of energy-saving transformer and the consideration of design of energy saving and environmental protection aspect relatively less, this just causes the transformer capacity of selecting can't meet on-the-spot actual demand, makes distribution loss increase and causes the wasting of resources.
Summary of the invention
The embodiment of the present invention provides a kind of loaded capacity-regulated box-type substation, for solving, prior art becomes selecting of energy-saving transformer to case and the consideration of design of energy saving and environmental protection aspect is relatively less, this just causes the transformer capacity of selecting can't meet on-the-spot actual demand, makes distribution loss increase and causes the wasting of resources.
A kind of loaded capacity-regulated box-type substation in the embodiment of the present invention comprises:
The loaded capacity-regulated transformer group, high-side devices and low-pressure side equipment;
Described high-side devices is delivered to the loaded capacity-regulated transformer group by high voltage;
Described loaded capacity-regulated transformer group carries out high-tension electricity to be delivered to low-pressure side equipment after transformation;
Wherein, described loaded capacity-regulated transformer group at least comprises: two loaded capacity-regulated transformers that can paired running and diverter switch, two described loaded capacity-regulated transformers respectively with two cover low-pressure side equipment connections, described diverter switch is installed between the described low-pressure side equipment of two covers, and does the switching action according to the running status of actual load demand and two described loaded capacity-regulated transformers.
Above-mentioned loaded capacity-regulated box-type substation, wherein, the no-load voltage ratio of two described loaded capacity-regulated transformers is identical, and impedance voltage is equal and wiring group is identical; The Capacity Ratio of two described loaded capacity-regulated transformers is 3:1.
Above-mentioned loaded capacity-regulated box-type substation, wherein, the three-phase high-voltage winding of described loaded capacity-regulated transformer is delta connection when large capacity.
Above-mentioned loaded capacity-regulated box-type substation, wherein, the three-phase high-voltage winding of described loaded capacity-regulated transformer is star connection when low capacity.
Above-mentioned loaded capacity-regulated box-type substation, wherein, described high-side devices comprises: for the high-voltage switch gear unit of high-side devices failover, and the high voltage bus unit connected for the high-pressure side power supply; Described low-pressure side equipment comprises: the low-voltage bus bar unit connected for the low-pressure side power supply; Described diverter switch is installed between two described low-voltage bus bar unit.
Above-mentioned loaded capacity-regulated box-type substation, wherein, described low-pressure side equipment also comprises:
For control described transformer station the low-pressure side circuit deciliter and the monitoring residual current the line switch element; For the monitoring of dynamic passive compensation, three-phase imbalance and harmonic wave and the Power quality management unit of improvement;
For data acquisition, status monitoring, analysis judgement, event alarm, two-way communication, the automatic Distributed Transformer Terminal Unit of controlling;
And for the photovoltaic inversion unit of described loaded capacity-regulated box-type substation top solar panel power conversion.
Above-mentioned loaded capacity-regulated box-type substation, wherein, described low-pressure side equipment also comprises:
The table meter unit that is used for the summary table electric quantity metering of described transformer station;
For to table meter unit and Distributed Transformer Terminal Unit, providing metering current and the instrumentation amount unit of measuring electric current;
For the communication unit of communicating by letter between described loaded capacity-regulated box-type substation and long-range main website; Described communication unit comprises: RS232/RS485 interface, USB interface, GPRS/3G interface and Ethernet interface;
For showing the Display panel unit of electric collection capacity data and running status indication; Described Display panel unit at least comprises: pressing plate is moved back in indicator type current meter, needle dc voltmeter, Display panel lamp and throwing.
Above-mentioned loaded capacity-regulated box-type substation, wherein, described sensor group cells comprises: Temperature Humidity Sensor, cigarette propagated sensation sensor, gate inhibition's position transducer.
Above-mentioned loaded capacity-regulated box-type substation, wherein, described Distributed Transformer Terminal Unit comprises: data acquisition module, communication module, display control module, main control module and power module; Described data acquisition module is sent to central processing unit by the signal collected.
Above-mentioned loaded capacity-regulated box-type substation, wherein, described central processing unit comprises: data processing module and main control module; Described data processing module and main control module adopt low-power consumption double-core application processor.
The loaded capacity-regulated box-type substation that the embodiment of the present invention provides, by selecting at least two loaded capacity-regulated transformers to form loaded capacity-regulated transformer group paired running, according to the parallel operation of transformers condition, can be combined into multiple operational mode, can meet the multi-state application scenario, guarantee transformer economic operation, improve power supply quality, this has just solved transformer capacity in prior art can't meet on-the-spot actual demand.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, does not form limitation of the invention.In the accompanying drawings:
The structural representation that Fig. 1 is a kind of loaded capacity-regulated box-type substation in the embodiment of the present invention;
The structural representation that Fig. 2 is loaded capacity-regulated transformer group in the embodiment of the present invention;
The structural representation that Fig. 3 is embodiment of the present invention mesohigh side apparatus;
The structural representation that Fig. 4 is embodiment of the present invention mesolow side apparatus;
Fig. 5 A is loaded capacity-regulated transformer winding internal high pressure side structure schematic diagram in the embodiment of the present invention;
Fig. 5 B is the inner low-side arrangement schematic diagram of loaded capacity-regulated transformer winding in the embodiment of the present invention;
The hardware configuration schematic diagram that Fig. 6 is Distributed Transformer Terminal Unit in the embodiment of the present invention;
The structural representation that Fig. 7 is multiple loaded capacity-regulated box-type substation in the embodiment of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail.At this, schematic description and description of the present invention is for explaining the present invention, but not as a limitation of the invention.
The embodiment of the present invention provides a kind of loaded capacity-regulated box-type substation, and described transformer station comprises:
The loaded capacity-regulated transformer group, high-side devices and low-pressure side equipment;
Described high-side devices is delivered to the loaded capacity-regulated transformer group by high voltage;
Described loaded capacity-regulated transformer group carries out high-tension electricity to be delivered to low-pressure side equipment after transformation;
Wherein, described loaded capacity-regulated transformer group at least comprises: two loaded capacity-regulated transformers that can paired running and diverter switch, concrete, as shown in Figure 1, two described loaded capacity-regulated transformers 11,12 connect respectively diverter switch 13, for guaranteeing the economical operation of two loaded capacity-regulated transformer groups.
Preferably, as shown in Figure 2, described loaded capacity-regulated transformer 1, loaded capacity-regulated transformer 2 is connected with two cover low-pressure side equipment 21,22 respectively, described diverter switch 23 is installed between the described low-pressure side equipment of two covers, and does the switching action according to the running status of actual load demand and two described loaded capacity-regulated transformers.
A kind of loaded capacity-regulated box-type substation that the embodiment of the present invention provides, at least two loaded capacity-regulated transformers of Transformer Selection form loaded capacity-regulated transformer group paired running, according to the parallel operation of transformers condition, can be combined into six kinds of operational modes, can meet the multi-state application scenario, guarantee transformer economic operation, improve power supply quality, this has just solved transformer capacity in prior art can't meet on-the-spot actual demand.
The embodiment of the present invention also provides carries conserving capacity-controlling box type transformer substation, and preferably, the no-load voltage ratio of two described loaded capacity-regulated transformers is identical, and impedance voltage is equal and wiring group is identical; The Capacity Ratio of two described loaded capacity-regulated transformers is 3:1.
The embodiment of the present invention also provides carries conserving capacity-controlling box type transformer substation, and preferably, the three-phase high-voltage winding of described loaded capacity-regulated transformer is delta connection when large capacity.
The embodiment of the present invention also provides carries conserving capacity-controlling box type transformer substation, and preferably, the three-phase high-voltage winding of described loaded capacity-regulated transformer is star connection when low capacity.
Concrete as shown in Fig. 5 A and 5B, Fig. 5 A is loaded capacity-regulated transformer winding internal high pressure side structure schematic diagram; Fig. 5 B is the inner low-side arrangement schematic diagram of loaded capacity-regulated transformer winding; Wherein, K1 represents 3 switches of high voltage side of transformer and 6 switches of step down side, and K2 represents 3 switches of on high-tension side 3 switches and low-pressure side.Loaded capacity-regulated transformer three-phase high-voltage winding is connected into triangle when when large capacity, that the K1 switch is all closed, and during low capacity, that the K2 switch is all closed, loaded capacity-regulated transformer three-phase high-voltage winding is connected into star.In addition, in low-pressure side, every phase low pressure winding minority wire turn part (L3 section), most wire turn line segments are by two groups of wires and around forming two parts (L1, L2 section).During large capacity, L1, the parallel connection of L2 section are connected with the L3 section again, and during low capacity, L1, L2, L3 section are all connected.
Concrete, two loaded capacity-regulated transformers, have six kinds of operational modes, be respectively a and b at a large low capacity of loaded capacity-regulated transformer of this hypothesis, the large low capacity of another loaded capacity-regulated transformer is respectively c and d, will have so six kinds of situations and occur: a 1) isolated operation, and capacity is a; 2) isolated operation, capacity is b; 3) isolated operation, capacity is c; 4) isolated operation, capacity is d; 5) 2 paired runnings, capacity is a+c; 6) 2 paired runnings, capacity is b+d.Like this, the loaded capacity-regulated transformer of two different capabilities carries out automatic capacity switching according to the actual requirements, and relies on diverter switch to carry out paired running control to realize purpose of the present invention to the loaded capacity-regulated transformer group.
The embodiment of the present invention also provides carries conserving capacity-controlling box type transformer substation, preferably, as shown in Figure 3, described high-side devices comprises: for the high-voltage switch gear unit 31 of high-side devices failover, it can adopt the compound mode of on-load switch+fuse, also can adopt separately circuit breaker; And the high voltage bus unit 32 connected for the high-pressure side power supply; Described low-pressure side equipment comprises: the low-voltage bus bar unit connected for the low-pressure side power supply; Described diverter switch is installed between two described low-voltage bus bar unit.
The embodiment of the present invention also provides carries conserving capacity-controlling box type transformer substation, and preferably, as shown in Figure 4, described low-pressure side equipment also comprises:
For control described transformer station the low-pressure side circuit deciliter and the monitoring residual current line switch element 41, at this, the line switch element adopts the air switch possess motor-operating mechanism, communication interface and single shot reclosing function, realize low-pressure side circuit that case is become deciliter;
For the monitoring of dynamic passive compensation, three-phase imbalance and harmonic wave and the Power quality management unit 42 of improvement; Preferably, the Power quality management unit also comprises capacitor group, Reactor banks, quick-switching electronic switch set, realizes monitoring and the improvement of dynamic passive compensation, three-phase imbalance and harmonic wave.
For data acquisition, status monitoring, analysis judgement, event alarm, two-way communication, the automatic Distributed Transformer Terminal Unit 43 of controlling; At this, Distributed Transformer Terminal Unit is " maincenter " control unit, the tasks such as the data acquisition of all key core equipment, status monitoring, analysis judgement, event alarm, two-way communication, automatic control in responsible loaded capacity-regulated box-type substation;
For photovoltaic inversion unit 44 and the low-voltage bus bar unit 45 of described loaded capacity-regulated box-type substation top solar panel power conversion, preferably, the photovoltaic inversion unit comprises that photovoltaic module, inverter, energy-storage system form;
And for monitoring the sensor group cells 46 of environment and gate inhibition's state in described loaded capacity-regulated box-type substation.
The embodiment of the present invention also provides carries conserving capacity-controlling box type transformer substation, and preferably, described low-pressure side equipment also comprises:
The table meter unit that is used for the summary table electric quantity metering of described transformer station; Preferably, table meter unit adopts three-phase or single-phase intelligent meter group.
For to table meter unit and Distributed Transformer Terminal Unit, providing metering current and the instrumentation amount unit of measuring electric current; Preferably, instrumentation amount unit is comprised of low-temperature measurement current transformer and measurement current transformer, and being responsible for table meter unit and Distributed Transformer Terminal Unit provides metering current and measure electric current.
For the communication unit of communicating by letter between described loaded capacity-regulated box-type substation and long-range main website; Preferably, described communication unit comprises: RS232/RS485 interface, USB interface, GPRS/3G interface and Ethernet interface; Wherein the RS485 interface is for realizing the communication of Yu Tai district metering summary table, and USB interface facilitates program upgrade and data to be admitted to communicating by letter between ，Tai district and master station can to adopt GPRS/3G to communicate by letter and two kinds of modes of ethernet communication realize.
For showing the Display panel unit of electric collection capacity data and running status indication; Described Display panel unit at least comprises: pressing plate is moved back in indicator type current meter, needle dc voltmeter, Display panel lamp and throwing.
The embodiment of the present invention also provides carries conserving capacity-controlling box type transformer substation, and preferably, described sensor group cells comprises: Temperature Humidity Sensor, cigarette propagated sensation sensor, gate inhibition's position transducer.
Preferably, the low-pressure side equipment of the loaded capacity-regulated box-type substation of the embodiment of the present invention also comprises: the security protection unit is comprised of antitheft, protection against electric shock and anti-electricity-theft device, antitheft, protection against electric shock is equipped with the audio alert mode by microwave induced device and realizes forewarning function, anti-electricity-theft device calculates realtime power by the power comparison method, with table, counts and carries out recently realizing the early warning to electricity filching behavior;
The embodiment of the present invention also provides carries conserving capacity-controlling box type transformer substation, and preferably, described Distributed Transformer Terminal Unit comprises: data acquisition module, communication module, display control module, main control module and power module; Described data acquisition module is sent to central processing unit by the signal collected.
In preferred embodiment, as shown in Figure 6, data acquisition module is by comprising that CT module 601, PT module 602, filter circuit 603, A/D sample circuit 604, phase-locked loop circuit 605 and asynchronous counter 606 form, the main Real-time Collection of being responsible for the loading capacitance-regulating distribution transformer low-pressure side magnitude of current and voltage, sample circuit is processed the transformer electric power signal input data processing module gathered, phase-locked loop circuit is for controlling synchronized sampling, per cycle of sample circuit gathers 256 points, sample frequency 50Hz.
The embodiment of the present invention also provides carries conserving capacity-controlling box type transformer substation, and preferably, as shown in Figure 6, described central processing unit comprises: data processing module 607 and main control module 608; Described data processing module and main control module adopt low-power consumption double-core application processor DSP+ARM9, described main control module adopts, for example can adopt OMAP-L137, the DSP C674X processor that data processing module is applied in this kernel is processed sampled data, and main control module core A RM926EJ carries out Comprehensive Control to circuit such as input, outputs; Further, main control module connecting valve amount detection unit 609 detects the operating states such as high side switch, low-pressure side line switch, capacitor group, active filter group, is input in main control module simultaneously.
Preferably, the loaded capacity-regulated low voltage side of box-type transformer substation equipment that the embodiment of the present invention provides also comprises: power module 610, it provides the power supply in main control module OMAP-L137, A/D sample circuit, communication unit and input, output circuit to supply with.
Preferably, in order to reach effect intuitively, can on the main control module of device, connect the state that LED display lamp 611 shows the electric power signal of collection is set, and be provided with liquid crystal display and facilitate the user directly to check the monitoring state of transformer, be provided with keyboard and button 612 simultaneously.
Preferably, the loaded capacity-regulated box-type substation that the embodiment of the present invention provides can adopt the layout in Fig. 7 to be designed, and it is divided into hyperbaric chamber, transformer room, low-pressure chamber three parts, between three parts, by electrical wiring, is connected.From topology layout, can arrange or order font layout by isosceles triangle, wherein: HV represents hyperbaric chamber, and TM represents transformer room, and LV represents low-pressure chamber.
All practical functions of the loaded capacity-regulated box-type substation now provided with regard to the embodiment of the present invention specifically are described below:
Switch is controlled automatically: be mainly to realize case change inner high voltage side intelligent switch, the intelligent line switch of low-pressure side are realized to automatic breaking-closing operating.
Status monitoring: be mainly to realize case change inner high voltage side intelligent switch, the intelligent line switch of low-pressure side are realized to automatic opening and closing state, the capacitor group switching state, active filter switching state, paired running diverter switch switching state, ammeter chamber door folding condition, case becomes hyperbaric chamber, low-pressure chamber, transformer room door folding condition, the on-line monitoring of the operation conditionss such as intelligent distribution transformer terminals.
Failure diagnosis: be mainly the failure diagnosis realized high-pressure side intelligent switch, the intelligent line switch of low-pressure side, capacitor group, active filter, paired running switch, intelligent distribution transformer terminals and photovoltaic inversion unit.
Data acquisition: be mainly to realize loading capacitance-regulating distribution transformer group data volume (electric current, voltage, meritorious, idle, power factor (PF), harmonic wave) collection, (case becomes inner high voltage side intelligent switch to quantity of state, the intelligent line switch of low-pressure side is realized automatic opening and closing state, the capacitor group switching state, active filter switching state, paired running diverter switch switching state, ammeter chamber door folding condition, case becomes hyperbaric chamber, low-pressure chamber, transformer room door folding condition, intelligent distribution transformer terminals) gather.
Logout: all kinds of events in the casees such as each switch divide-shut brake event of essential record, loaded capacity-regulated handover event, capacitor group switching event, active power filtering switching event become.
Dynamic passive compensation: realize the real-time dynamic compensation that case is become.
The monitoring of harmonic wave and improvement: realize the inhibition to high order harmonic component, improve the quality of power supply.
Three-phase imbalance is administered: realize adjustment and the distribution of three-phase load in the Dui Tai district, make tri-phase unbalance factor reach the requirement of regulation.
Distribution transforming economical operation: realize the reasonable adjustment to the loading capacitance-regulating distribution transformer pool-size, guarantee that distribution transforming operates in optimized operation zone to greatest extent, reduce distribution loss.
Line loss is calculated: realize the analytical calculation to the real-time line loss of case low pressure side.
Load management: realize the comprehensive control management to the power distribution station load, comprise that the power definite value is controlled, the electric weight definite value is controlled, the rate definite value is controlled and distant place direct control function.
Asset management: utilize the RFID technology to realize case is become " identity " identification of interior capital equipment.
Automatic capacity regulating voltage adjusting: in realizing case is become, the loading capacitance-regulating distribution transformer group is carried out capacity transfer and pressure regulation operation automatically according to the needs of actual load and voltage.
Video monitor: become the safe operation situation by the imageing sensor watch box, send at any time unusual condition information and the pictures such as alert.
Security protection: realize the antitheft anti-electricity-theft and electroshock-proof function that case is become.
Environmental monitoring: the monitoring of humiture and cigarette sense information in realizing case is become by sensor group cells.
Leakage current detect and protection: realize the monitoring to residual current operated protective device running status and residual current numerical value, and there is record, storage and upload function.
The power information monitoring: realize the acquiring electric energy information of power distribution station, comprise electric energy meter data acquisition, electric power meter operating mode, power supply electric energy quality monitoring, and the monitoring of power load and electric flux, related data is processed to storage, management and transmission.
Metering summary table monitoring: realize the integrated management of public power distribution station intelligent electric energy meter, examine the validity of its metering, to misoperation status analysis, judgement, the alarm of intelligent electric energy meter and complete related information transmission.
Distributed power source access: achieve a butt joint and monitor and control into user's side distributed power supply system of utility network.
To sum up state, a kind of loaded capacity-regulated box-type substation that the embodiment of the present invention provides, at least two loaded capacity-regulated transformers of Transformer Selection form loaded capacity-regulated transformer group paired running, according to the parallel operation of transformers condition, can be combined into multiple operational mode, can meet the multi-state application scenario, guarantee transformer economic operation, improve power supply quality, this has just solved transformer capacity in prior art can't meet on-the-spot actual demand.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a loaded capacity-regulated box-type substation, is characterized in that, described transformer station comprises:
The loaded capacity-regulated transformer group, high-side devices and low-pressure side equipment;
Described high-side devices is delivered to the loaded capacity-regulated transformer group by high voltage;
Described loaded capacity-regulated transformer group carries out high-tension electricity to be delivered to low-pressure side equipment after transformation;
Wherein, described loaded capacity-regulated transformer group at least comprises: two loaded capacity-regulated transformers that can paired running and diverter switch, two described loaded capacity-regulated transformers respectively with two cover low-pressure side equipment connections, described diverter switch is installed between the described low-pressure side equipment of two covers, and does the switching action according to the running status of actual load demand and two described loaded capacity-regulated transformers.
2. loaded capacity-regulated box-type substation according to claim 1, is characterized in that, the no-load voltage ratio of two described loaded capacity-regulated transformers is identical, and impedance voltage is equal and wiring group is identical; The Capacity Ratio of two described loaded capacity-regulated transformers is 3:1.
3. loaded capacity-regulated box-type substation according to claim 1, is characterized in that, the three-phase high-voltage winding of described loaded capacity-regulated transformer is delta connection when large capacity.
4. loaded capacity-regulated box-type substation according to claim 1, is characterized in that, the three-phase high-voltage winding of described loaded capacity-regulated transformer is star connection when low capacity.
5. loaded capacity-regulated box-type substation according to claim 1, it is characterized in that, described high-side devices comprises: high-voltage switch gear unit and high voltage bus unit, and described high-voltage switch gear unit is for the high-side devices failover, and described high voltage bus unit connects for the high-pressure side power supply;
Described low-pressure side equipment comprises: the low-voltage bus bar unit connects for the low-pressure side power supply; Described diverter switch is installed between two described low-voltage bus bar unit.
6. loaded capacity-regulated box-type substation according to claim 5, is characterized in that, described low-pressure side equipment also comprises: line switch element, Power quality management unit, Distributed Transformer Terminal Unit, sensor group cells and photovoltaic inversion unit;
Described line switch element for control described transformer station the low-pressure side circuit deciliter and the monitoring residual current;
Described Power quality management unit is for monitoring and the improvement of dynamic passive compensation, three-phase imbalance and harmonic wave;
Described Distributed Transformer Terminal Unit is for data acquisition, status monitoring, analysis judgement, event alarm, two-way communication, control automatically;
Described sensor group cells is for monitoring ambient temperature and gate inhibition's state in described loaded capacity-regulated box-type substation;
Described photovoltaic inversion unit is for described loaded capacity-regulated box-type substation top solar panel power conversion.
7. loaded capacity-regulated box-type substation according to claim 6, is characterized in that, described low-pressure side equipment also comprises: table meter unit, instrumentation amount unit, communication unit and Display panel unit;
Described table meter unit is for the summary table electric quantity metering of described transformer station;
Described instrumentation amount unit is for providing metering current and measure electric current to table meter unit and Distributed Transformer Terminal Unit;
Described communication unit is communicated by letter between described loaded capacity-regulated box-type substation and long-range main website;
Described Display panel unit is for showing electric collection capacity data and running status indication;
Described Display panel unit at least comprises: pressing plate is moved back in indicator type current meter, needle dc voltmeter, Display panel lamp and throwing.
8. loaded capacity-regulated box-type substation according to claim 6, is characterized in that, described sensor group cells comprises: Temperature Humidity Sensor, cigarette propagated sensation sensor, gate inhibition's position transducer.
9. loaded capacity-regulated box-type substation according to claim 6, is characterized in that, described Distributed Transformer Terminal Unit comprises: data acquisition module and central processing unit; Described data acquisition module is sent to central processing unit by the signal collected and is processed.
10. loaded capacity-regulated box-type substation according to claim 9, is characterized in that, described central processing unit comprises: data processing module and main control module; Described data processing module and main control module adopt low-power consumption double-core application processor.
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| CN104616872A (en) * | 2015-02-11 | 2015-05-13 | 国网上海市电力公司 | On-load capacitance adjustment transformer |
| CN110336278A (en) * | 2019-07-11 | 2019-10-15 | 中铁隧道集团三处有限公司 | Parallel operation of transformers method based on electric current relay |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104467180A (en) * | 2014-11-29 | 2015-03-25 | 平顶山天晟电气有限公司 | Intelligent on-load capacitance regulating transformer substation based on GSM remote monitoring |
| CN104616872A (en) * | 2015-02-11 | 2015-05-13 | 国网上海市电力公司 | On-load capacitance adjustment transformer |
| CN110336278A (en) * | 2019-07-11 | 2019-10-15 | 中铁隧道集团三处有限公司 | Parallel operation of transformers method based on electric current relay |
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Application publication date: 20131211 |