CN106532682A - Intelligent load detecting and distributing control device - Google Patents
Intelligent load detecting and distributing control device Download PDFInfo
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- CN106532682A CN106532682A CN201610719782.3A CN201610719782A CN106532682A CN 106532682 A CN106532682 A CN 106532682A CN 201610719782 A CN201610719782 A CN 201610719782A CN 106532682 A CN106532682 A CN 106532682A
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- H02J3/005—
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- H02J13/0006—
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The invention provides an intelligent load detecting and distributing control device which comprises a housing; a load detecting and metering unit which detects load information of a transformer in a distribution substation; a programmable display control unit which receives a detecting signal of the load detecting and metering unit, wherein the programmable display control unit comprises a single-chip microcomputer and an LED display unit which is connected with the single-chip microcomputer; a load distributing control unit which receives data of the programmable display control unit; and an operation state display unit which displays operation state of the load distributing control unit. The intelligent load detecting and distributing control device automatically determines polarity of a signal and performs calibration, data processing and adaptive operation. The intelligent load detecting and distributing control device has advantages of high intelligent level, low technical requirement and high convenience in accessing.
Description
Technical field
The present invention relates to a kind of load detecting distributes control device, more particularly to one kind is widely used in industry, agricultural, city
The load detecting distribution control device of the electric terminal distribution substation such as township residential communities multiple stage Energy Saving for Distribution Transformer operation.
Background technology
Distribution substation is the important part of power system, is the important step directly powered to terminal use, extensively should
For the terminals such as industry, agricultural, community of urban and rural residents energy field.According to statistics, national distribution transformer electric energy loss about 1700
Hundred million kilowatt hours, equivalent to 1.7 times of pipe of reinforced concrete at Three Gorges Power Station whole year generated energy, electric energy loss is extremely serious.As the important of energy-saving and emission-reduction
Measure, in recent years, China has also put into effect multinomial policy, promotes efficient distribution transformer application and industry development.But become in distribution
In terms of depressor Energy Saving Control, overall efficiency level is still low, and energy-saving potential is huge, therefore, research is a kind of safe and reliable, economical
Applicable distribution substation's transformer energy saving control method, for General Promotion China distribution transformer operational energy efficiency level, to reducing
Distribution transformer electric energy loss, promotes energy-saving and emission-reduction environmental protection significant.
At present, existing distribution substation's transformer control has the drawback that：
1st, most of distribution substation's transformer capacities are changeless, and in actual motion, Demand-side electric loading is very big
Scope fluctuation, as community resident's household electricity, when being exactly typically morning peak and evening peak, power load is larger, and worker one goes to work
Go away, whole day there are more than 2/3rds time transformers all in unloaded and light condition；The industrial and mineral that some loads are changed greatly
Enterprise, is exactly the Large Copacity distribution transformer also charging operation always when with electric loading very little, causes low load with strong power and underloading
Or it is unloaded, electric energy is wasted, is unfavorable for environmental protection.
2nd, be particularly real estate residential area newly developed, sales cycle is long, owner move in the time do not concentrate, occupancy rate
Low, the long-term unloaded and underloading of transformer, transformer loss take electricity ratio greatly, and Property Management of residence charge average electricity price is high,
It is not that property is sustained economic losses, exactly conflicts with owner.
3rd, after electric company's management charge is transferred in electricity consumption, only contradiction transfer, wasting electric energy similarly increases confession
Electric company operation cost, affects electric company's economic benefit.
4th, some distribution substations, power supply department also require that transformer realizes that two interconnections are mutually supplied, but control to be by shift electrician
Manually controlled according to load, it is impossible to adapt to the requirement of load change, be particularly some skyscraper important loads, burst is robbed
Dangerous disaster relief event, transformer can not be put in time according to loading demand, and lead to a disaster expansion, causes bigger loss.
The content of the invention
The purpose of the present invention is that offer one kind is widely used in urban and rural power grids terminal power distribution institute multiple stage distribution transformer
The intelligent load detection distribution control device of power-saving running, is immobilized with solving existing distribution substation's distribution transformer capacity,
When very light with electric loading, Large Copacity distribution transformer also charging operation always, low load with strong power, transformer electric energy loss are big,
The energy is wasted, is unfavorable for the problem of energy-saving and emission-reduction.
The present invention is employed the following technical solutions：
Intelligent load detection distribution control device, including shell, also includes：
The load detecting metering units of transformer load information in detection distribution substation；
Receive the programmable display control unit of the signal of load detecting metering units detection；The programmable display control unit
The LED display unit being connected including single-chip microcomputer and with single-chip microcomputer；
Receive the load assignment control of programmable display control unit data；
Show the running status display unit of load assignment control running status.
The load assignment control includes control circuit, and control circuit is sequentially connected by being input into photoelectric isolation module
Running status display unit and input terminal, the control circuit passes sequentially through output photoelectric isolation module and relay module connects
Connect lead-out terminal.
The LED display unit that the single-chip microcomputer of the programmable display control unit is connected by LED drive circuit.
The load detecting metering units include two processors, and each processor passes through a current signal isolator
One transformer of connection.
There are following features using the present invention of above-mentioned technical proposal：
1st, applied current detection conversion and Intelligent programmable control technology and high-precision AD measurement chip, gather 1#, 2# respectively and become
Depressor load current, automatic detection judge signal polarity, and calibration, data processing, self adaptation computing, intelligent level are high, technology
Requirement is low, and it is convenient to access.
2nd, can be required according to transformer power-saving running, by man-machine mutual handing-over mouth, field programming carries out definite value, parameter, if
Fixed and modification, control program are flexible.
3rd, perfect in shape and function of the present invention, installation operation are convenient, not only conform to newly-built distribution substation's distribution transformer power-saving running,
Distribution substation's reducing energy consumption of existing a large amount of operations is adapted to, energy conservation potential is huge, and economic benefit, social benefit are significant.
Description of the drawings
Fig. 1 is intelligent load detection distribution control device block diagram.
Fig. 2 is distribution substation's system diagram.
Fig. 3 is intelligent load detection distribution control device outline drawing.
Fig. 4 is 1# high-voltage board control principle drawings.
Fig. 5 is 2# high-voltage board control principle drawings.
Fig. 6 is 1# low-voltage cabinet control schematic diagrams.
Fig. 7 is the wiring diagram of the intelligent power monitoring system being arranged in 1# incoming line cabinets.
Fig. 8 is 2# low-voltage cabinet control schematic diagrams.
Fig. 9 is the wiring diagram of the intelligent power monitoring system being arranged in 2# incoming line cabinets.
Control schematic diagrams of the Figure 10 for low voltage liaison net cabinet breaker.
The wiring diagram of intelligent phase sequence monitors of the Figure 11 for arranging in low voltage liaison net cabinet.
Figure 12 is intelligent load detection distribution control device schematic diagram one.
Figure 13 is intelligent load detection distribution control device schematic diagram two.
Detail views of the Figure 14 for Figure 12 part As.
Detail views of the Figure 15 for Figure 12 part Bs.
Detail views of the Figure 16 for Figure 12 C portions.
Detail views of the Figure 17 for Figure 12 D parts.
Detail views of the Figure 18 for Figure 13 part As.
Detail views of the Figure 19 for Figure 13 part Bs.
Detail views of the Figure 20 for Figure 13 C portions.
Detail views of the Figure 21 for Figure 13 D parts.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in further detail.
The present invention proposes a kind of intelligent load detection being controlled to multiple stage distribution transformer power-saving running in distribution substation
Distribution control device, it includes housing, the detector unit that the equipment in distribution substation that is provided with housing is attached, hull outside
The display unit shown by state to device is set.
Specifically, the present invention is used for detecting a kind of distribution substation of economize on electricity that it is by the multiple stage distribution transformer in distribution substation
Being grouped, piezoelectric transformer group being assembled per two for one, be respectively defined as 1# transformers and 2# transformers, two transformers can be with
Identical capacity, or any different capabilities, it is preferred to use Capacity Ratio be 1:2, now power savings are best.
As shown in Fig. 2 often assembling 1# high-voltage boards and the 2# high-voltage boards that piezoelectric transformer group includes being connected with high voltage bus；1#
Connect 1# transformers on high-voltage board, 1# transformers connect 1# low-voltage cabinets by the second bus, and 1# low-voltage cabinets are connected by the second bus
Low-voltage compensation cabinet I is connect, low-voltage compensation cabinet I is by the second bus connection load I；Connect 2# transformers, 2# transformations on 2# high-voltage boards
Device connects 2# low-voltage cabinet 2# low-voltage cabinets by triple bus-bar and connects low-voltage compensation cabinet II by triple bus-bar, and low-voltage compensation cabinet I leads to
Cross triple bus-bar connection load II；1# transformers are connected with 2# transformers；Also include low voltage liaison net cabinet, low voltage liaison net cabinet is by the
The connection of two buses loads I, loads II by triple bus-bar connection.
Intelligent load detects and distributes the load of control device automatic detection 1# transformer and 2# transformers, just presses off
Off status, control 1# high-voltage switch gears, 2# high-voltage switch gear 1# low pressure lead-in circuit breakers, 2# low pressure lead-in circuit breakers, low voltage liaison net are broken
Not power-off electric shaft switching combination of the road device between two transformers, conversion transformer working capacity, it is to avoid low load with strong power
And high load with small power, realize distribution substation's unmanned, switch cubicle automatic energy storage, combined floodgate, separating brake, distribution substation's intelligent transformer economize on electricity
Operation.
As shown in figure 1, the intelligent load distribution control device of the present invention includes detecting 1# transformers and 2# changes in distribution substation
The load detecting metering units of depressor state；Receive the programmable display control list of the signal of load detecting metering units detection
Unit, the LED drive circuit that programmable display control unit is included single-chip microcomputer and is connected with single-chip microcomputer, LED drive circuit connection LED
Display unit；Receive the load assignment control of programmable display control unit data；Show load assignment control fortune
The running status display unit of row state.Wherein above-mentioned LED display unit and running status display unit are arranged at housing
On.Remaining element is arranged in housing.The load assignment control includes control circuit, and control circuit is by being input into photoelectricity
Isolation module is sequentially connected running status display unit and input terminal, control circuit pass sequentially through output photoelectric isolation module and
Relay module connects lead-out terminal, and input terminal and lead-out terminal are connected with the equipment in distribution transformer group.
If Fig. 3 is the profile wiring diagram that load detecting distributes control device, LED display unit, operation shape is provided with
State display unit, input terminal, lead-out terminal.
As shown in Figure 12 and Figure 13, the load current in load detecting metering units collection 1# high-voltage boards and 2# high-voltage boards,
Then two processors are passed through（IC1、IC2）Carry out signal conversion.As shown in FIG., wherein processor 1C1 passes through current signal
Isolator T4 receives the signal of the 1# transformers of load detection signal harvester collection, processor IC2 by current signal every
The signal of the 2# transformers of load detection signal harvester collection is received from device T3.Processor（IC1、IC2）It is high-precision for two
The high-precision CA/AD digital-to-analogue conversions process chips of two-way DPS of degree, such as the chip of existing model CS5460,
CS5460DPS is in high precision and with serial line interface IC chip, two-way with what microcontroller was communicated comprising two converters
Serial ports, it contains two programmable-gain amplifiers, two highpass filters, calculates work(with system calibration and virtual value
Can, to provide transient data sampling and computation of Period result, automatic detection judges signal polarity, program self adaptation computing, serial ports
It is connected with the I/O port of the single-chip microcomputer IC3 of programmable display control unit.
Load detecting metering units gather the load current of 1# high-voltage boards by 104 and 105 two input terminals, then pass through
The primary side winding of the current signal isolator T4 in Figure 12, after the vice-side winding parallel connection second resistance of T4 and the 19th electric capacity,
Connect IN+, IIN- port of processor 1C1 respectively, the load electricity of 2# high-voltage boards is gathered by 204 and 205 two input terminals
Stream, then the current signal isolator T3 primary side windings in Figure 12, connect IC2 IN after vice-side winding parallel connection R1, C18 respectively
+, IIN- ports.
Programmable display control unit includes single-chip microcomputer IC3, is connected with LED display circuit on single-chip microcomputer IC3, and it also includes
Programmable device, signal modulation circuit, serial communication circuit etc., single-chip microcomputer IC3 mainly realize the digital independent of whole system, calibration,
Control, signal, communication and man-machine mutual handing-over mouth carry out the functions such as definite value setting and modification.
Such as Figure 12,14,15,16,17, the high property of the single-chip microcomputer using model ATMEGA64 of display control unit is may be programmed
Energy AVR single chip, it is by the LED drive circuit of model CH451（That is LED number pipe driving chips）LED is driven to show electricity
Road is shown.The PB mouths of single-chip microcomputer IC3 and the serial SPI interface of LED drive circuit IC4.Single-chip microcomputer IC3 be capable of achieving two-way or
The reading of the calibration of single channel electric current, measurement and virtual value and the initial work of sampling A/D chip internal register, and selected by piece
Port CS1, CS2 realize the time-sharing operation of the chip to two panels respectively, while co-used chip FPDP clock port.Single-chip microcomputer
Compare with setting value after IC3 reads two-way electric current and after internal processes detection, LED number pipe driving chips are sent by data/address bus
CH451 drives LED display unit to show the setting and modification of current value and the definite value carried out by Man Machine Interface, monolithic
PB0, PB1 of machine IC3 drives successive load assignment control by data/address bus KD1, KD2 of connection, while during work
Two LED being connected with LED drive circuit on panel（HIGHTLED2、LOWLED2）It is luminous.
As shown in Figure 13,18,19,20,21, load distribution control device includes control circuit, and control circuit includes monolithic
Machine and its peripheral circuit, connection input photoelectric isolation module in control circuit, input photoelectric isolation module connection running status show
Show unit, running status display unit connection input terminal；Control circuit is connected by output photoelectric isolation module and relay
Module, relay module connection lead-out terminal.Load distribution control device is formed a connecting link, automatic detection 1# transformer, 2# transformations
Device load and high and low voltage switch state, and drive output unit, control 1# high-voltage switch gears, 2# height to press off by output bus
The continuous electric shaft between two transformers of pass, 1# low pressure lead-in circuit breakers, 2# low pressure lead-in circuit breakers, low voltage liaison net breaker
Switching is combined, and conversion transformer working capacity realizes power-saving running.
Single-chip microcomputer U81 of the single-chip microcomputer in control circuit using model ATMEGA64, input photoelectric isolation module include
16 input phototube coupling units, are input into PF, PE port that Phototube Coupling cells D W1 to DW16 buses connect single-chip microcomputer U81；Can
Programming display control unit output bus connection PB mouths.Output photoelectric isolation module includes 16 output photoelectric isolated locations, defeated
16 relays of the K1 ~ K16 gone out in phototube coupling unit KS1 ~ KS16 connection relay module.
Running status display unit is connected between input terminal and input photoelectric isolation module, input terminal 210,211
Connecting detection resistance R230, LED light emitting diode D1, photoelectrical coupler U49, LED diode displaying low voltage liaison net cabinets are opened
Off status；Input terminal 212,213 connecting detection resistance R232, LED light emitting diode D2, photoelectrical coupler U50, LED light
Diode D2 shows the on off state of 1# high-voltage boards；Input terminal 214,215 connecting detection resistance R234, LED light emitting diodes
D3, photoelectrical coupler U51, LED light emitting diodes D3 show 2# high-voltage board on off states；Input terminal 216,217,218,219
Connecting detection resistance R236, R238, R240, LED light emitting diode D4, LED light emitting diode D5, LED light emitting diode D6, light
Electric coupler U52, photoelectrical coupler U53, photoelectrical coupler U54, are respectively intended to show 1# low-voltage cabinet on off states, 1# low-voltage cabinets
Power detecting Y（With gate circuit）, 1# low-voltage cabinet power detecting H（OR circuit）；The connection inspection of input terminal 220,221,222,223
Measuring resistance R242, detection resistance R244, detection resistance R246, LED light emitting diode D7, LED light emitting diode D8, LED light
Diode D9, photoelectrical coupler U55, photoelectrical coupler U56, photoelectrical coupler U57, show respectively 2# low-voltage cabinet on off states,
2# low-voltage cabinet power detecting Y（With gate circuit）, 2# low-voltage cabinet power detecting H（OR circuit）；By load detecting distribution control dress
Running status is put by LED diode displayings in display window, is easy to tour personnel to observe, understand equipment operation condition.
Microcontroller bus KO1 to the KO16 connection photoelectric coupling isolated arrays of load assignment control, photoelectrical coupler
Output connection relay driving module MC1413, drives FH115F high power relays.Wherein, relay K1, relay K2 are touched
Point connection binding post 106,107,108 controls 1# high-voltage switch gears combined floodgate, separating brake respectively；Relay K3, relay K4 contacts connect
Binding post 109,110,111 is connect, 2# high-voltage switch gears combined floodgate, separating brake is controlled respectively；Relay K5, relay K6, relay K7
Contact portion binding post 112,113,114,115, controls 1# low-voltage cabinet energy storing of switch, combined floodgate, separating brake respectively；Relay K8,
Relay K9, relay K10 contact portions binding post 116,117,118,119, respectively control low voltage liaison net cabinet energy storing of switch,
Combined floodgate, separating brake；Relay K11, relay K12, relay K13 contact portions binding post 120,121,122,123, are controlled respectively
2# low-voltage cabinets energy storage processed, combined floodgate, separating brake；Relay K14 contact portions binding post 206,207 exports 1# transformer fault reports
It is alert；The output 2# transformer faults of relay K15 contact portions binding post 208,209 are reported to the police.
As shown in Figure 4, it is the control principle drawing in 1# high-voltage boards.Wherein, 1# high-tension switch cabinets high-tension current inductor
Leading-out terminal A411, N411 and load detecting distribution control device binding post 104, binding post 105 connect, binding post 106
The terminals 3 of the manual/auto switch K2 of connection control loop；Binding post 107 simultaneously meets primary cut-out closing coil 1FK1 and enters
Line end；Binding post 108 is attempted by switching winding 1FK2 ends of incoming cables；Binding post 212, binding post 213 connect primary cut-out
1FK auxiliary switch normally opened contacts；Binding post 206, binding post 207 connect 1# transformer fault alarm relay 1ZK coils, band
Dynamic audible-visual annunciator is reported to the police on the spot, and it is long-range that another pair of contact 1ZK2 of fault alarm relay connects central signal case connection transformer station
Warning device realizes remote alarms.
As shown in figure 5, for the control principle drawing in 2# high-voltage boards.Wherein, the high-tension current inductor outlet of 2# high-voltage boards
End A411, N411 and intelligent load detection distribution control device binding post 204, binding post 205 connect, binding post 109
The manual/auto switch K3 terminals of connection control loop 3；Binding post 110 simultaneously connects primary cut-out closing coil FK1 inlet wires
End；Binding post 108 is attempted by switching winding FK2 ends of incoming cables；Binding post 214, binding post 215 meet primary cut-out 2FK
Auxiliary switch normally opened contact；Binding post 208, binding post 209 connect 2# transformer fault alarm relay 2ZK coils.
As shown in fig. 6,1# low-voltage cabinet control schematic diagrams.Intelligent load detection distribution control device binding post 112 connects
The manual/auto switch K4 automatic connections end of 1# low-voltage cabinet control loops；Binding post 113 simultaneously connects low-voltage circuit breaker energy storage motor time
Road, binding post 114 simultaneously connect low-voltage circuit breaker closing coil QFX ends of incoming cables；Binding post 115 is attempted by low-voltage circuit breaker separating brake
Coil QFF ends of incoming cables.
As shown in fig. 7, the wiring diagram of the intelligent power monitor for being arranged in 1# low-voltage cabinets.Intelligent power monitor
Detection power supply terminal A611, B611, C611, N are connected on the corresponding loop of 1# low voltage incoming line cabinet voltmeters respectively；Outlet terminal
216 are connected with low-voltage circuit breaker 1QF1 auxiliary switch normally opened contacts end of incoming cables, low-voltage circuit breaker 1QF1 auxiliary switch normally opened contacts
Leading-out terminal connection 217；The terminal 216 of intelligent power monitor leading-out terminal, terminal 218, terminal 219 are together with terminal 217 by control
The corresponding binding post 216 of cable processed and intelligent load detection distribution control device, binding post 218, binding post 219, connect
Line terminals 217 connect.
As shown in figure 8, being 2# low-voltage cabinet control schematic diagrams.Intelligent load detection distribution control device binding post 120 connects
Connect the manual/auto switch K5 automatic connections end of 2# low voltage incoming line cabinet control loops；Binding post 121 simultaneously connects low-voltage circuit breaker energy storage
Electric motor loop, binding post 122 simultaneously connect low-voltage circuit breaker closing coil QFX ends of incoming cables；Binding post 123 is attempted by low pressure open circuit
Device switching winding QFF ends of incoming cables.
As shown in figure 9, the wiring diagram of the intelligent power monitor for being arranged in 2# low-voltage cabinets.Intelligent power monitor
Detection power supply terminal A611, terminal B611, terminal C611, terminal N are connected on the corresponding loop of 2# low voltage incoming line cabinet voltmeters respectively
On；Outlet terminal 220 is connected with low-voltage circuit breaker 1QF1 auxiliary switch normally opened contacts end of incoming cables, and low-voltage circuit breaker 1QF1 auxiliary is opened
Close normally opened contact leading-out terminal connection terminal 221；Intelligent power monitor line end terminator 220, terminal 222, terminal 223 are together with end
Son 221 is by controlling cable binding post 220 corresponding with intelligent load detection distribution control device, binding post 222, wiring
Terminal 223, binding post 221 connect.
As shown in Figure 10, it is control schematic diagram in low voltage liaison net cabinet.Load detecting distribution control device terminal 116 connects low
The manual/auto switch K6 automatic connections end of pressure contact cabinet control loop；Terminal 117 simultaneously connects low voltage liaison net breaker energy storage motor time
Road, terminal 118 simultaneously connect network interconnecting circuit closing coil QFX ends of incoming cables；Terminal 119 is attempted by low voltage liaison net breaker open operation coil
QFF ends of incoming cables.
Intelligent phase sequence monitor in low voltage liaison net cabinet is arranged on cabinet inner terminal row, detection power supply terminal A611, terminal
B611, terminal C611, terminal a611, terminal b611, terminal c611, network interconnecting circuit is connected on respectively up and down on corresponding loop；
Locking terminal 1,3 is serially connected in the closing coil loop of network interconnecting circuit；Alarm terminals 7, alarm terminals 9 are serially connected in warning relay
In device 3ZJ wire loops；Network interconnecting circuit QF auxiliary switches normally opened contact connects intelligent load detection distribution control device respectively
Binding post 210,211 terminal of binding post.
Operation principle and process when the present invention is applied to above-mentioned energy-conservation distribution substation is as follows：
When intelligent load detection distribution control device works, preferential 1# transformers fortune is arranged by programmable display control unit
OK, the control 1# high-voltage board closing coils of lead-out terminal 106,107 1FK1 is powered, and 1# high-voltage boards close a floodgate, 1# transformer station high-voltage side bus；This
When, CDK-Y1 intelligent power monitors are installed on 1# low voltage incoming line cabinets, the monitor leads to low-tension supply phase shortage, under-voltage detection
Cross input terminal 216,217,218,219 to detect the signal transmission of 1# on off states, power detecting Y, detection H to intelligent load
Distribution control device, if abnormity of power supply, sends the warning of 1# transformer faults, if power supply is normal, by lead-out terminal
112nd, 113,114 control 1# low voltage incoming line cabinet energy storage, combined floodgate；Low-voltage bus bar（That is the second bus）It is powered, low voltage liaison net cabinet switch
Upper end is powered, and low voltage liaison net cabinet installs intelligent phase sequence monitor, and the monitor detects that to two-way power phase misphase is closed immediately
Lock and warning, normally, intelligent load detection distribution control device controls low voltage liaison net cabinet by lead-out terminal 116,117,118 and stores up
Can, close a floodgate；1# transformer station high-voltage side bus, drive and all load, if 1# transformers, 2# transformer capacities ratio are 1：2, now, transformation
Device working capacity is 33% of two transformer capacities or so.
When being increased with electric loading, during more than 1# transformer economic operations point, intelligent load detection distribution control device passes through
The load current of the measurement of binding post 104,105, and compare with the parameter of setting, then according to comparative result drive output
109th, 110 control 2# high-voltage board closing coils 2FK1 are powered, and 2# high-voltage boards close a floodgate, 2# transformer station high-voltage side bus；Now, 2# low pressure inlet wire
The CDK-Y1 intelligent powers monitor installed on cabinet to low-tension supply phase shortage, under-voltage detection, by input terminal 220,221,
222nd, 223 intelligent load detection distribution control device is given by the signal transmission of 2# on off states, power detecting Y, power detecting H,
If abnormity of power supply, 2# transformers carry out fault alarm, if power supply is normal, control 2# by lead-out terminal 120,121,122
Low voltage incoming line cabinet energy storage, combined floodgate；Exit 1# transformers simultaneously, all loaded by 2# transformers, now, transformer station high-voltage side bus capacity is
The substation capacity of two transformer capacities is 66% or so.
When continuing to increase with electric loading, during more than 2# transformer economic operations point, intelligent load detection distribution control dress
Put the control 1# high-voltage board closing coils 1FK1 of lead-out terminal 106,107 to be powered, 1# high-voltage boards close a floodgate, and 1# transformers add operation；
Lead-out terminal 106,109 controls network interconnecting circuit tripping operation, 1# transformers and 2# transformer split operations, and now substation capacity is
100%。
When being reduced with electric loading, during less than two transformer economic operation points, intelligent load detection distribution control device
By comparing with the parameter of setting, network interconnecting circuit breaker closing is controlled, 1# transformers are out of service, 2# transformers continue fortune
OK, now, transformer station high-voltage side bus capacity is run the 66% or so of two capacity again.
When continuing to reduce with electric loading, during less than 2# transformer economic operations point, intelligent load detection distribution control dress
Put by comparing with the parameter of setting, control 1# transformers put into operation, and 2# transformers are out of service, and now substation capacity is again
In 33% or so operation, go round and begin again.
The present invention can be such that 1# transformers and 2# transformers runs in the state of most economizing on electricity by such scheme, reach
Distribution transformer loss reduces 50-60% or so, effect highly significant.
Above-described is only the preferred embodiment of the present invention, it is noted that for a person skilled in the art,
Under the premise of without departing from general idea of the present invention, some changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (4)
1. intelligent load detection distributes control device, including shell, it is characterised in that also include：
The load detecting metering units of transformer load information in detection distribution substation；
Receive the programmable display control unit of the signal of load detecting metering units detection；The programmable display control unit
The LED display unit being connected including single-chip microcomputer and with single-chip microcomputer；
Receive the load assignment control of programmable display control unit data；
Show the running status display unit of load assignment control running status.
2. intelligent load detection according to claim 1 distributes control device, it is characterised in that：The load distribution control
Unit includes control circuit, and control circuit is sequentially connected running status display unit and input by being input into photoelectric isolation module
Son, the control circuit pass sequentially through output photoelectric isolation module and relay module connection lead-out terminal.
3. intelligent load detection according to claim 1 distributes control device, it is characterised in that：The programmable display is controlled
The LED display unit that the single-chip microcomputer of unit processed is connected by LED drive circuit.
4. intelligent load detection according to claim 1 distributes control device, it is characterised in that：The load detecting metering
Unit includes two processors, and each processor connects a transformer by a current signal isolator.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086580A (en) * | 2017-06-01 | 2017-08-22 | 深圳市深泰明科技有限公司 | A kind of looped network intelligence control system and its control method |
| WO2024112979A1 (en) * | 2022-11-23 | 2024-05-30 | University Of South Africa | Green energy and grid network management |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0917313A (en) * | 1995-06-30 | 1997-01-17 | Mitsubishi Electric Corp | Load circuit protective device |
| KR20000051350A (en) * | 1999-01-21 | 2000-08-16 | 위성동 | Experiment Practice Kit for PLC output driving |
| KR200310503Y1 (en) * | 2003-01-03 | 2003-04-21 | 허정갑 | automatic cutoff and automatic return type electric leakage perception chapter |
| CN101640425A (en) * | 2009-09-07 | 2010-02-03 | 瞿革荣 | Intelligent electric load management device |
| WO2011067774A1 (en) * | 2009-12-02 | 2011-06-09 | Satyanarayana Manchanahally Venkataramasastry | An intelligent controller |
| CN102313838A (en) * | 2011-07-22 | 2012-01-11 | 重庆大学 | Intelligent load monitoring and mutual supplying method for distribution transformer |
| CN102353895A (en) * | 2011-06-08 | 2012-02-15 | 河北工业大学 | Low voltage breaker life automatic test apparatus |
| CN102437650A (en) * | 2011-12-25 | 2012-05-02 | 西安福安创意咨询有限责任公司 | Intelligent electric power distribution system |
| KR20130047316A (en) * | 2011-10-31 | 2013-05-08 | 한국전력공사 | Automatic load transfer relay for distribution transformer |
| CN203218762U (en) * | 2013-04-23 | 2013-09-25 | 郑州金源特变电气有限公司 | Capacity-variable energy-saving preassembled transformer substation |
| CN205986146U (en) * | 2016-08-25 | 2017-02-22 | 贾杰栋 | Intelligence load detects distribution controlling means |
-
2016
- 2016-08-25 CN CN201610719782.3A patent/CN106532682B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0917313A (en) * | 1995-06-30 | 1997-01-17 | Mitsubishi Electric Corp | Load circuit protective device |
| KR20000051350A (en) * | 1999-01-21 | 2000-08-16 | 위성동 | Experiment Practice Kit for PLC output driving |
| KR200310503Y1 (en) * | 2003-01-03 | 2003-04-21 | 허정갑 | automatic cutoff and automatic return type electric leakage perception chapter |
| CN101640425A (en) * | 2009-09-07 | 2010-02-03 | 瞿革荣 | Intelligent electric load management device |
| WO2011067774A1 (en) * | 2009-12-02 | 2011-06-09 | Satyanarayana Manchanahally Venkataramasastry | An intelligent controller |
| CN102353895A (en) * | 2011-06-08 | 2012-02-15 | 河北工业大学 | Low voltage breaker life automatic test apparatus |
| CN102313838A (en) * | 2011-07-22 | 2012-01-11 | 重庆大学 | Intelligent load monitoring and mutual supplying method for distribution transformer |
| KR20130047316A (en) * | 2011-10-31 | 2013-05-08 | 한국전력공사 | Automatic load transfer relay for distribution transformer |
| CN102437650A (en) * | 2011-12-25 | 2012-05-02 | 西安福安创意咨询有限责任公司 | Intelligent electric power distribution system |
| CN203218762U (en) * | 2013-04-23 | 2013-09-25 | 郑州金源特变电气有限公司 | Capacity-variable energy-saving preassembled transformer substation |
| CN205986146U (en) * | 2016-08-25 | 2017-02-22 | 贾杰栋 | Intelligence load detects distribution controlling means |
Non-Patent Citations (3)
| Title |
|---|
| RODERICK J等: "An Evaluation of Selected Solid-State Transformer Topologies for Electric Distribution Systems", 《2015 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) 》, 11 May 2015 (2015-05-11) * |
| 常文春;田爱军;: "一种智能交流配电设备精密监测装置的设计", 自动化与仪器仪表, no. 12, 25 December 2015 (2015-12-25) * |
| 王明江;李准;王清华;吴红艳;: "400V供电装置智能监测***研制", 电子技术与软件工程, no. 16, 19 August 2016 (2016-08-19) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086580A (en) * | 2017-06-01 | 2017-08-22 | 深圳市深泰明科技有限公司 | A kind of looped network intelligence control system and its control method |
| CN107086580B (en) * | 2017-06-01 | 2023-07-14 | 深圳市深泰明科技有限公司 | Ring network intelligent control system and control method thereof |
| WO2024112979A1 (en) * | 2022-11-23 | 2024-05-30 | University Of South Africa | Green energy and grid network management |
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