CN105978080A - Energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus - Google Patents
Energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus Download PDFInfo
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- CN105978080A CN105978080A CN201610417149.9A CN201610417149A CN105978080A CN 105978080 A CN105978080 A CN 105978080A CN 201610417149 A CN201610417149 A CN 201610417149A CN 105978080 A CN105978080 A CN 105978080A
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- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 238000004146 energy storage Methods 0.000 title claims abstract description 52
- 238000009826 distribution Methods 0.000 title claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 title abstract 3
- 238000007600 charging Methods 0.000 claims abstract description 21
- 238000013461 design Methods 0.000 claims description 60
- 239000003446 ligand Substances 0.000 claims description 25
- 238000012544 monitoring process Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 10
- 238000011161 development Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 9
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000005955 Ferric phosphate Substances 0.000 claims description 5
- 229940032958 ferric phosphate Drugs 0.000 claims description 5
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims description 5
- 229910000399 iron(III) phosphate Inorganic materials 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000010280 constant potential charging Methods 0.000 claims description 3
- 238000010277 constant-current charging Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 230000007774 longterm Effects 0.000 claims description 3
- 230000004899 motility Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 abstract 2
- 238000007726 management method Methods 0.000 description 19
- 238000012423 maintenance Methods 0.000 description 15
- 230000008439 repair process Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H02J7/0021—
-
- H02J7/0026—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
Abstract
The invention discloses an energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus. The multifunctional power distribution detection apparatus comprises a charging input socket, an inversion alternating current output socket, a charging management module, an alternating current signal source output interface, an alternating current signal source output monitoring device, an alternating current signal source output linear adjustment rotary knob, an energy storage residual electric quantity indicator, a direct current power supply output interface, an alternating voltage signal source output interface, an alternating voltage signal source output monitoring device, an alternating voltage signal source output linear adjustment rotary knob and a general operating switch of the host. The energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus can supply stable power supply, simplify the kinds of the onsite instruments and improve the working efficiency of the operation and management of the power grid.
Description
Technical field
The present invention relates to one and be converted from powering mode multifunctional ligand electro-detection device based on energy storage.
Background technology
Power department guarantees power grid security operation, it is achieved the safe and scientific development of system.Day
Often to power distribution system equipment, periodically or cycled recondition is safeguarded, is all to be main with power supply reliability
The repair and maintenance management work of purpose.Distribution link is " send out defeated change adapted " five big groups in power system
Become a technology constituent important in part, the work that the operation management of distribution system is related to
Work amount is big, it is wide to service, work under hard conditions.Once this link of distribution goes wrong, not only
The normal electricity consumption of user can therefore suffer from impact, the industrial production chain of large enterprise also can therefore and
Fracture, thus cause the direct or indirect loss of electric power enterprise.
1, state of development
Defeated, become, match system links be required for periodically or periodically to relevant device maintenance,
Maintaining, it is ensured that the operation security of whole system and the reliability service of relevant main equipment；Transmission of electricity,
Converting equipment construction investment amount is big, and infrastructure construction is more perfect, and managed operation personnel have
Reasonable working environment and working condition；Transmission of electricity, converting equipment direct relation whole big system
Uninterruptedly and persistently runing of system, engineering construction has the most sturdy standby power system conduct
One of indispensable subsystem of system Construction, every subsystem maintenance work be also to relevant main equipment,
Main system is according to plan, step by step, carry out to point primary and secondary.
Distribution link system, belongs to network system end, has Quantity many, involve a wide range of knowledge,
The planning of foundation construction facility investment is strict, and it is numerous multiple that end power distribution room construction scale is smaller etc.
Miscellaneous feature.Concentration is all compared in the equipment operation repair and maintenance work of electricity room, and every task is directed to
The job contents such as power distribution room blackout, comprehensive test detection.
Due to end power distribution room (mainly including city 10kV switchyard, public power distribution room etc.)
Build general all without there being backup power system to design, power distribution room interruption maintenance need electromotor,
The capital equipments such as detecting instrument cooperate and just can complete；Electromotor is safeguarded mainly to detection and is provided
Place odd-job power supply, such as on-the-spot auxiliary operation power supply, mains lighting supply, detecting instrument make
With power supply etc..
2 current operation defect and the problems of existence
Along with the urbanization concentration constantly expanding development with day by day increasing severely in city is built, power distribution room
Field land used constantly compresses and changes, and each basic unit in area under one's jurisdiction, big city power distribution room is the most all planned in building
Floor basement, is adapted as integrated simplification switchgear cell.Along with the development in cities and towns in the future,
This environment and the narrow and small land use situation of all kinds of power distribution rooms can get more and more.
For basement power distribution room, maintenance uses air pollution that electromotor causes serious shadow
Ring staff and surrounding；
For the maintenance repair and maintenance work of basement power distribution room, need the power electric generators energy, ground
Lower room environmental is narrow and small, sluggish in air circulation；The exhaust emission discharged during generator operation and noise
Pollution directly influences staff and neighbouring living environment.
Lively bustling area under one's jurisdiction, big city power distribution room, in order to meet power transmission in time, the repair and maintenance time
The shortest, maintenance temporary source is also required to electromotor to be provided.Area under one's jurisdiction fire safety evaluating, discharge waste gas
Pollution, sound pollution etc. thorny problem is also to need to solve.Electricity room is safeguarded and is used electromotor
Power supply can increasingly be challenged.
Along with the development of science and technology, repair and maintenance working index requires to promote, accurate detector
Device uses in a large number, and output voltage is beated bigger, and instrument needs stable power supply reliably to solve
Certainly；
The development of new technique, controller switching equipment technical merit is also constantly promoting, it is desirable to maintenance
Maintenance work technical specification also persistently to follow up, and precision instrumentation detection equipment puts in a large number and makes
With, its equipment has requirements at the higher level to the quality of voltage of power supply and the stability of power supply.Send out
Motor power belongs to the thick simple energy resource system of mad formula, and power good controls fairly simple, electromotor
Out-put supply typically all teeters about 20%, the feedback of the foundation load variations of electromotor
Tracking systematic comparison is slow, is difficult to follow load transient change specific；
The powered operation of robbing of above electric power operating repairs or burst is required for a kind of simplicity, holds
Continuous, the temporary source system scheme of environmental protection.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of provide stable power supply, simplify existing
Field use instrument kind, that improves power grid operation management work efficiency is converted from power supply based on energy storage
Mode multifunctional joins electric detection means.
For solving the problems referred to above, the present invention adopts the following technical scheme that
One is converted from powering mode multifunctional ligand electro-detection device based on energy storage, defeated including charging
Enter socket, inversion exchange accessory power outlet, charge management module, ac current signal source output connect
Mouthful, ac current signal source output monitoring form, ac current signal source output linearity adjusting knob,
The instruction of energy storage dump energy, DC source output interface, ac voltage signal source output interface,
Ac current signal source output monitoring form, ac voltage signal source output linearity adjusting knob and master
Machine work main switch, described charging input socket, inversion exchange accessory power outlet, Charge Management mould
Block, ac current signal source output interface, the output of ac current signal source monitoring form, alternating current
Stream signal source output linearity adjusting knob, the instruction of energy storage dump energy, DC source output interface,
Ac voltage signal source output interface, ac current signal source output monitoring form, alternating voltage letter
Number source output linearity adjusting knob and host work main switch are electrically connected with each other.
As preferably, described it is converted from powering mode multifunctional ligand electro-detection device based on energy storage
Interior functional design system specifically includes that charge management module, matrix arrangement LiFePO4 energy storage
Set of cells, CSRC process CPU module, inversion control module, auxiliary DC power supply output
Control module, main alternating current power supply output control module, ac voltage signal source control module and friendship
Stream current source control module.
As preferably, described it is converted from powering mode multifunctional ligand electro-detection device based on energy storage
The design of Interior functional design system is as follows:
A) design of charge management module:
This system design charging principle scheme uses syllogic to control current curve pattern, i.e. constant current
Charging stage, charging current is bigger, and charge volume quickly increases；Constant voltage charging phase charged electrical
Stream gradually decreases, and charge volume continues to increase；The floating charge stage is that charging and discharging is in a basic balance,
Battery electric quantity will not be further added by；In view of the deep discharge function of set of cells, charging module design increases
Adding slow turn-on to realize being connected with low-voltage battery group, for specified 48V battery system, charge mould
Block support successfully realizes charge function with cascading less than the set of cells of 40V voltage.
B) design of energy storage ferric phosphate lithium cell group:
This system stored energy is designed with 48V50AH LiFePO4 matrix battery module；Have anti-
The features such as quick-fried, high temperature resistant, impact resistance, energy storage high density, the characteristic supporting relatively deep discharge；
The LiFePO4 matrix set of cells that system design is used has overcurrent short-circuit protection function, side
Formula external equipment exception or the problems such as short trouble occur.
C) design of inversion control function
This system is designed with high-power multilevel power electronic inverter circuit, uses Sofe Switch control
Principle processed, inversion efficiency controls more than 85%, and the function of inversion control module is by energy storage system
In system, DC48 power booster another mistake becomes output AC220V, provides stable big merit for detecting system
Rate power supply.Inversion control output is designed with soft start overload protection function, reduces system shock
And abnormal protection, peak power output is up to 5KW, and specified output steady in a long-term is defeated up to maximum
Go out power more than 80%, provide reliable and stable working power system for detecting system.
D) design of DC power control output:
This system designs standby auxiliary DC power supply DC48V output function, now with distribution certainly
The development of dynamicization system, the automation equipment application that direct current 48V powers is increasingly wider, for
Meeting the on-the-spot needs of testing staff, internal battery 48 power supply passes through by this detecting system
Protection controls output, as the stand-by power supply of detecting system, so significantly solves test job
Motility and convenience.
E) equipment voltage, the functional design in current signal source；
The design of this system increases the signal source functional module that the detection of integrated distribution needs, voltage, electricity
Stream signal source (signal source that i.e. standard source or relay protection check instrument etc. have) is each electric power
The indispensable demand of specialty of operation department distribution detection.To generality verification detection work, this detection
0.5 step voltage, current signal source that device Integrated design provides can meet great majority now completely
The detection of field needs, and is so greatly simplified on-the-spot use instrument kind and quantity and weight；
Directly significantly reduce the work load of field operation personnel simultaneously, indirectly improve overall work
Efficiency.Voltage signal source output 0～120V, precision 0.5 grade；Current signal source output 0～60A,
Precision 0.5 grade；Fully meet on-the-spot all kinds of power distribution automation controller and the need of automation equipment
Want.
The invention have the benefit that this is converted from powering mode multifunctional ligand electric-examination based on energy storage
Surveying device, internal a new generation's energy storage technology and the inversion transformation technique of using, product design employing is high-effect
Automobile power Battery pack, has explosion-proof, high temperature resistant, high-energy-density, high-power output characteristic,
Fundamentally solve power distribution room and the common maintenance of power equipment, rob power supply and should be anxious to help problem,
Mainly solve the knotty problem in following application:
A) cancel by temporary source system needed for electromotor offer electric power overhaul
Being converted from powering mode multifunctional ligand electro-detection device based on energy storage, charging technique uses steady
Determine equalizaing charge technology (preventing the large current charge impact on the service life of battery)；Energy storage
Using new generation of high density ferric phosphate lithium cell as energy-storage module, energy design capacity is 50AH
Above, output capacity is big；Application inversion switch technology, inversion exchange AC220/20A power supply is defeated
Go out, according to full power more than 80% (full power design include that two kinds of specifications of 2KW and 5KW set
Meter) output services, examination and repair system can be supported continuously and work 6～8 hours, fully meet distribution inspection
Repair and safeguard or the emergent working cycle robbing power supply；Instrument standby direct current DC48V/20A exports, can
Think distribution automation system equipment, level of standing automatization terminal DTU, pole automatization terminal
The intelligent terminals such as FTU provide detection working power system.
B) integrated voltage, current standard signal source, it is achieved the function check of automatization terminal and survey
Examination function
Newly-designed it is converted from powering mode multifunctional ligand electro-detection device based on energy storage, internal collection
Become design voltage signal source, current signal source, voltage signal source 0～120V continuously adjustabe, electricity
Stream signal source 0～60A continuously adjustabe；Substantially meet the function check to power distribution room automation equipment
With the test of measurement function, the most less and quantity of simplification field detecting device and category.
C) global design size is little, lightweight, facilitates onsite moving and carries
Multifunctional ligand electro-detection device, outer container uses the protection cabinet of instrument and meter, portable mobile
Formula caster design, overall dimensions 520 (length) × 340 (wide) × 520 (high), complete machine weight
Amount is less than 55Kg；The management of allomeric function such as Charge Management, inversion control, signal output control
The parts such as regulation use succinct panel application to design, and use simple, convenient management.
D) use effect figure that novel detection device completes
Novel detection device platform, all kinds of needs substantially meeting Site Detection are this products of design
The original intention of product, provides reliable and stable power supply, simplification scene to make for complicated distribution Site Detection
Use instrument kind, improve power grid operation management work efficiency and play a positive role.
Accompanying drawing explanation
Fig. 1 is that the present invention is a kind of is converted from powering mode multifunctional ligand electro-detection dress based on energy storage
The energy storage put is converted from powering mode multifunctional ligand electro-detection apparatus function interface schema；
Fig. 2 is that the present invention is a kind of is converted from powering mode multifunctional ligand electro-detection dress based on energy storage
The energy storage put is converted from powering mode multifunctional ligand electro-detection device Interior functional design figure.
Detailed description of the invention
As shown in Figure 1-2, one is converted from powering mode multifunctional ligand electro-detection dress based on energy storage
Put, including charging input socket 1, inversion exchange accessory power outlet 2, charge management module 3,
Ac current signal source output interface 4, the output of ac current signal source monitoring form 5, alternating current
Stream signal source output linearity adjusting knob 6, energy storage dump energy instruction 7, DC source output
Interface 8, ac voltage signal source output interface 9, ac current signal source output monitoring form 10,
Ac voltage signal source output linearity adjusting knob 11 and host work main switch 12, described in fill
Electricity input socket 1, inversion exchange accessory power outlet 2, charge management module 3, alternating current letter
Number source output interface 4, ac current signal source output monitoring form 5, ac current signal source are defeated
Cutting edge aligned adjusting knob 6, energy storage dump energy instruction 7, DC source output interface 8, friendship
Stream voltage signal source output interface 9, the output of ac current signal source monitoring form 10, alternating voltage
Signal source output linearity adjusting knob 11 and host work main switch 12 are electrically connected with each other.
The described built-in function being converted from powering mode multifunctional ligand electro-detection device based on energy storage
Design system specifically include that charge management module, matrix arrangement LiFePO4 energy-storage battery group,
CSRC process CPU module, inversion control module, auxiliary DC power supply output control module,
Main alternating current power supply output control module, ac voltage signal source control module and ac current source control
Molding block.
The described built-in function being converted from powering mode multifunctional ligand electro-detection device based on energy storage
The design of design system is as follows:
A) design of charge management module:
This system design charging principle scheme uses syllogic to control current curve pattern, i.e. constant current
Charging stage, charging current is bigger, and charge volume quickly increases；Constant voltage charging phase charged electrical
Stream gradually decreases, and charge volume continues to increase；The floating charge stage is that charging and discharging is in a basic balance,
Battery electric quantity will not be further added by；In view of the deep discharge function of set of cells, charging module design increases
Adding slow turn-on to realize being connected with low-voltage battery group, for specified 48V battery system, charge mould
Block support successfully realizes charge function with cascading less than the set of cells of 40V voltage.
B) design of energy storage ferric phosphate lithium cell group:
This system stored energy is designed with 48V50AH LiFePO4 matrix battery module；Have anti-
The features such as quick-fried, high temperature resistant, impact resistance, energy storage high density, the characteristic supporting relatively deep discharge；
The LiFePO4 matrix set of cells that system design is used has overcurrent short-circuit protection function, side
Formula external equipment exception or the problems such as short trouble occur.
C) design of inversion control function
This system is designed with high-power multilevel power electronic inverter circuit, uses Sofe Switch control
Principle processed, inversion efficiency controls more than 85%, and the function of inversion control module is by energy storage system
In system, DC48 power booster another mistake becomes output AC220V, provides stable big merit for detecting system
Rate power supply.Inversion control output is designed with soft start overload protection function, reduces system shock
And abnormal protection, peak power output is up to 5KW, and specified output steady in a long-term is defeated up to maximum
Go out power more than 80%, provide reliable and stable working power system for detecting system.
D) design of DC power control output:
This system designs standby auxiliary DC power supply DC48V output function, now with distribution certainly
The development of dynamicization system, the automation equipment application that direct current 48V powers is increasingly wider, for
Meeting the on-the-spot needs of testing staff, internal battery 48 power supply passes through by this detecting system
Protection controls output, as the stand-by power supply of detecting system, so significantly solves test job
Motility and convenience.
E) equipment voltage, the functional design in current signal source；
The design of this system increases the signal source functional module that the detection of integrated distribution needs, voltage, electricity
Stream signal source (signal source that i.e. standard source or relay protection check instrument etc. have) is each electric power
The indispensable demand of specialty of operation department distribution detection.To generality verification detection work, this detection
0.5 step voltage, current signal source that device Integrated design provides can meet great majority now completely
The detection of field needs, and is so greatly simplified on-the-spot use instrument kind and quantity and weight；
Directly significantly reduce the work load of field operation personnel simultaneously, indirectly improve overall work
Efficiency.Voltage signal source output 0～120V, precision 0.5 grade；Current signal source output 0～60A,
Precision 0.5 grade；Fully meet on-the-spot all kinds of power distribution automation controller and the need of automation equipment
Want.
The invention have the benefit that this is converted from powering mode multifunctional ligand electric-examination based on energy storage
Surveying device, internal a new generation's energy storage technology and the inversion transformation technique of using, product design employing is high-effect
Automobile power Battery pack, has explosion-proof, high temperature resistant, high-energy-density, high-power output characteristic,
Fundamentally solve power distribution room and the common maintenance of power equipment, rob power supply and should be anxious to help problem,
Mainly solve the knotty problem in following application:
A) cancel by temporary source system needed for electromotor offer electric power overhaul
Being converted from powering mode multifunctional ligand electro-detection device based on energy storage, charging technique uses steady
Determine equalizaing charge technology (preventing the large current charge impact on the service life of battery)；Energy storage
Using new generation of high density ferric phosphate lithium cell as energy-storage module, energy design capacity is 50AH
Above, output capacity is big；Application inversion switch technology, inversion exchange AC220/20A power supply is defeated
Go out, according to full power more than 80% (full power design include that two kinds of specifications of 2KW and 5KW set
Meter) output services, examination and repair system can be supported continuously and work 6～8 hours, fully meet distribution inspection
Repair and safeguard or the emergent working cycle robbing power supply；Instrument standby direct current DC48V/20A exports, can
Think distribution automation system equipment, level of standing automatization terminal DTU, pole automatization terminal
The intelligent terminals such as FTU provide detection working power system.
B) integrated voltage, current standard signal source, it is achieved the function check of automatization terminal
And test function
Newly-designed it is converted from powering mode multifunctional ligand electro-detection device based on energy storage, internal collection
Become design voltage signal source, current signal source, voltage signal source 0～120V continuously adjustabe, electricity
Stream signal source 0～60A continuously adjustabe；Substantially meet the function check to power distribution room automation equipment
With the test of measurement function, the most less and quantity of simplification field detecting device and category.
C) global design size is little, lightweight, facilitates onsite moving and carries
Multifunctional ligand electro-detection device, outer container uses the protection cabinet of instrument and meter, portable mobile
Formula caster design, overall dimensions 520 (length) × 340 (wide) × 520 (high), complete machine weight
Amount is less than 55Kg；The management of allomeric function such as Charge Management, inversion control, signal output control
The parts such as regulation use succinct panel application to design, and use simple, convenient management.
D) use effect figure that novel detection device completes
Novel detection device platform, all kinds of needs substantially meeting Site Detection are this products of design
The original intention of product, provides reliable and stable power supply, simplification scene to make for complicated distribution Site Detection
Use instrument kind, improve power grid operation management work efficiency and play a positive role.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is also
It is not limited to this, any change expected without creative work or replacement, all should contain
Within protection scope of the present invention.
Claims (3)
1. being converted from a powering mode multifunctional ligand electro-detection device based on energy storage, its feature exists
In: include charging input socket, inversion exchange accessory power outlet, charge management module, alternating current
Flow signal source output interface, ac current signal source exports monitoring form, ac current signal source is defeated
The instruction of cutting edge aligned adjusting knob, energy storage dump energy, DC source output interface, alternating voltage
Signal source output interface, ac current signal source output monitoring form, the output of ac voltage signal source
Linear regulation knob and host work main switch, described charging input socket, inversion exchange output
Socket, charge management module, ac current signal source output interface, ac current signal source are defeated
Go out monitoring form, ac current signal source output linearity adjusting knob, energy storage dump energy instruction,
DC source output interface, ac voltage signal source output interface, the output of ac current signal source
Monitoring form, ac voltage signal source output linearity adjusting knob and host work main switch are the most electric
Property connect.
2. it is converted from powering mode multifunctional ligand electric-examination based on energy storage as claimed in claim 1
Survey device, it is characterised in that: described it is converted from powering mode multifunctional ligand electro-detection based on energy storage
The Interior functional design system of device specifically includes that charge management module, matrix arrangement iron phosphate
Lithium energy-storage battery group, CSRC process CPU module, inversion control module, auxiliary direct current
Source output control module, main alternating current power supply output control module, ac voltage signal source control mould
Block and ac current source control module.
3. it is converted from powering mode multifunctional ligand electric-examination based on energy storage as claimed in claim 2
Survey device, it is characterised in that: described it is converted from powering mode multifunctional ligand electro-detection based on energy storage
The design of the Interior functional design system of device is as follows:
A) design of charge management module:
This system design charging principle scheme uses syllogic to control current curve pattern, i.e. constant current
Charging stage, charging current is bigger, and charge volume quickly increases；Constant voltage charging phase charged electrical
Stream gradually decreases, and charge volume continues to increase；The floating charge stage is that charging and discharging is in a basic balance,
Battery electric quantity will not be further added by；In view of the deep discharge function of set of cells, charging module design increases
Adding slow turn-on to realize being connected with low-voltage battery group, for specified 48V battery system, charge mould
Block support successfully realizes charge function with cascading less than the set of cells of 40V voltage.
B) design of energy storage ferric phosphate lithium cell group:
This system stored energy is designed with 48V50AH LiFePO4 matrix battery module；Have anti-
The features such as quick-fried, high temperature resistant, impact resistance, energy storage high density, the characteristic supporting relatively deep discharge；
The LiFePO4 matrix set of cells that system design is used has overcurrent short-circuit protection function, side
Formula external equipment exception or the problems such as short trouble occur.
C) design of inversion control function
This system is designed with high-power multilevel power electronic inverter circuit, uses Sofe Switch control
Principle processed, inversion efficiency controls more than 85%, and the function of inversion control module is by energy storage system
In system, DC48 power booster another mistake becomes output AC220V, provides stable big merit for detecting system
Rate power supply.Inversion control output is designed with soft start overload protection function, reduces system shock
And abnormal protection, peak power output is up to 5KW, and specified output steady in a long-term is defeated up to maximum
Go out power more than 80%, provide reliable and stable working power system for detecting system.
D) design of DC power control output:
This system designs standby auxiliary DC power supply DC48V output function, now with distribution certainly
The development of dynamicization system, the automation equipment application that direct current 48V powers is increasingly wider, for
Meeting the on-the-spot needs of testing staff, internal battery 48 power supply passes through by this detecting system
Protection controls output, as the stand-by power supply of detecting system, so significantly solves test job
Motility and convenience.
E) equipment voltage, the functional design in current signal source；
The design of this system increases the signal source functional module that the detection of integrated distribution needs, voltage, electricity
Stream signal source (signal source that i.e. standard source or relay protection check instrument etc. have) is each electric power
The indispensable demand of specialty of operation department distribution detection.To generality verification detection work, this detection
0.5 step voltage, current signal source that device Integrated design provides can meet great majority now completely
The detection of field needs, and is so greatly simplified on-the-spot use instrument kind and quantity and weight；
Directly significantly reduce the work load of field operation personnel simultaneously, indirectly improve overall work
Efficiency.Voltage signal source output 0～120V, precision 0.5 grade；Current signal source output 0～60A,
Precision 0.5 grade；Fully meet on-the-spot all kinds of power distribution automation controller and the need of automation equipment
Want.
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