CN206195387U - Online activation device of ternary lithium battery of direct-current power supply of transformer substation - Google Patents
Online activation device of ternary lithium battery of direct-current power supply of transformer substation Download PDFInfo
- Publication number
- CN206195387U CN206195387U CN201621162322.7U CN201621162322U CN206195387U CN 206195387 U CN206195387 U CN 206195387U CN 201621162322 U CN201621162322 U CN 201621162322U CN 206195387 U CN206195387 U CN 206195387U
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- Prior art keywords
- lithium battery
- ternary lithium
- online
- battery
- ternary
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 89
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 230000004913 activation Effects 0.000 title claims abstract description 19
- 230000001131 transforming effect Effects 0.000 claims description 14
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 claims description 3
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 claims description 3
- 102100021133 Nuclear protein 1 Human genes 0.000 claims description 3
- 238000001994 activation Methods 0.000 description 15
- 241000196324 Embryophyta Species 0.000 description 14
- 238000007726 management method Methods 0.000 description 11
- 238000007667 floating Methods 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 9
- 239000002253 acid Substances 0.000 description 5
- 230000001483 mobilizing effect Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 229910052493 LiFePO4 Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000005955 Ferric phosphate Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229940032958 ferric phosphate Drugs 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides an online activation device of direct current power supply ternary lithium cell of transformer substation, include: the device comprises a ternary lithium battery pack, a storage battery management system and a storage battery balancing device. The ternary lithium battery online activation device comprises an intermittent online discharge device, the storage battery management system is connected with the ternary lithium battery pack, the intermittent online discharge device is connected with the ternary lithium battery pack, and the storage battery equalization device is connected with the ternary lithium battery pack.
Description
Technical field
The utility model is related to transforming plant DC power-supply system batteries, more particularly to transforming plant DC power supply ternary lithium
Battery activates device online.
Background technology
There is vital work for the safe operation of transformer station for the batteries of transforming plant DC power-supply system
With the Performance And Reliability of batteries has directly influence on the normal work of the whole electric power system of transformer station.Selection
During the capacity of the batteries of transforming plant DC power-supply system, following condition should be met：(1) be close a floodgate etc. impact load
The electric current of the maximum electric discharge required for it is provided；(2) power supply needed for being provided for regular based model for load duration.
Traditional batteries use valve-regulated lead-acid battery, and it has number of drawbacks, such as：a）Temperature characterisitic is poor, low temperature
Lower battery discharging capacity is small, and life of storage battery decay is serious under high temperature；b）Power density is smaller, causes the output of its high current
Ability is poor, in order to ensure the reliability of transforming plant DC power operation, can select the super batteries with Large Copacity, causes wave
Take；c）The recovery improper use of lead-acid accumulator, easily causes pollution；d）Hidden defects occur, under floating charge state, electric power storage
Chi Duan displays voltage, temperature are normal, without leakage, but in the case where transformer station is with exchange dead electricity or unexpected low-voltage, can in short-term
Between capacity " diving " collapse.The safe operation and change of transformer station can not be effectively ensured using the batteries of valve-regulated lead-acid battery
The normal work of the whole electric power system in power station.
Lithium battery is the preferable substitute of valve-regulated lead-acid battery, with energy density is high, large current discharging capability strong, temperature
Degree adaptability it is good, have extended cycle life, security preferably, environmental protection, easy maintenance the advantages of.
It is used for the lithium battery of transformer station direct current system in the prior art, there are two kinds, one kind is lithium iron phosphate storage battery
（LiFePO4）, working voltage platform is 3.2V；Another kind is ternary lithium storage battery（NCM）, working voltage platform is 3.7V.On
State two kinds of lithium batteries and belong to electrokinetic cell field, with excellent cycle charging life-span and thermal adaptability.
For traditional batteries, lack timely because long-time is in the stand-by state of floating charging and it is safeguarded
Property, it will cause the appearance of problems.Such as：Due to carrying out multi-section serial to it the fault rate will be caused to increase in groups；It is individual
It is harmonious that the difference of body will cause cell voltage to lack, and any batteries are problematic, will all influence whole batteries
Normal work；The charging current of batteries is excessive will to be triggered " oxygen evolution reaction " etc..
According to DLT 724-2000《Power system accumulator direct current supply plant running and maintenance engineering order》In
Relevant content, batteries are once filled for 3 months turns floating charge operation, fills only continue 10 hours every time, remaining time period
Interior batteries are chronically at floating charge state.
Routine is substituted using LiFePO4, to reduce influence of the long-term floating charge for lithium battery, partly using non-
Online mode, by programme-control, makes ferric phosphate lithium cell isolate by Added Management device with dc bus, and heightens straight
Stream bus output voltage, makes lithium battery be chronically at static condition, and existing on the life of storage battery influences.Also part is using improvement
The ferric phosphate lithium cell crossed, makes it have better characteristics, as customization class product, though nonstandard product conforms with the regulations, but into
This is higher, and economy is not good.
Compared to lithium iron phosphate storage battery（LiFePO4）For, ternary lithium battery has more power density, longer circulation
Life-span number of times, replacement valve-regulated lead-acid battery preferably.
The characteristics of ternary lithium battery, can be very good to make up various deficiencies that traditional VRLA battery is present.Such as：
Ternary lithium battery flattening bench is higher can to reduce multi-section serial quantity, the fault rate that reduction causes；Ternary lithium battery is equipped with storage
Battery management function（BMS）, can within the specific limits carry out equilibrium ensures uniformity, reduces hidden danger caused by individual factors；Three
First lithium battery is without " oxygen evolution reaction " etc..
But being chronically at floating charge state can reduce the activity of ternary lithium battery, cause capacity attenuation, this is ternary lithium battery
The problem demanding prompt solution in.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem, is existed by providing transforming plant DC power supply ternary lithium battery
Line activates device, for the technical characterstic of ternary lithium battery, without customizing battery core, ternary lithium battery is carried out using internal load
Online activation and internal balance, not offline mode work, and improve ternary lithium battery service life and reliability, and with good
Practicality and economy.To achieve these goals, the utility model uses following technical scheme.
A kind of transforming plant DC power supply ternary lithium battery of offer of the present utility model activates device online, including：Ternary lithium
Battery pack, battery management system, battery equalisation device, it is online including batch (-type) that the ternary lithium battery activates device online
Electric discharge device, the battery management system connects the ternary lithium battery group, the online electric discharge device connection institute of batch (-type)
Ternary lithium battery group is stated, the battery equalisation device connects the ternary lithium battery group.
The online electric discharge device of batch (-type) is loaded including activation discharge.The activation discharge load is built-in integrated electric discharge
Load.The ternary lithium battery activates device online includes diode, and the diode connects the ternary lithium battery group.
Further, the ternary lithium battery activates device online includes display screen, and the display screen connects the electric power storage
Pond management system.The ternary lithium battery activates device online includes USB interface.The ternary lithium battery activates device bag online
Include COM1.
The beneficial effects of the utility model are：
1st, wire management is may be implemented in, high degree of automation reduces manual maintenance cost；
2nd, built-in integrated discharge load is loaded as activation, and discharge load can online activate mould according to operating mode programme-control
Formula is various, can flexibly be used according to running situation, and adaptability is good；
3rd, online electric discharge is combined with internal balance, by way of simulating electrokinetic cell environment, reduces ternary lithium electricity
Inert substance accumulation inside pond, improves the activity of lithium battery, greatly improves service life, so as to solve backup type ternary lithium electricity
The on-line maintenance problem in pond.
The utility model activates device online by providing transforming plant DC power supply ternary lithium battery, it is ensured that each batteries
Uniformity, realizes the online mobilizing function of ternary lithium battery, reduces the influence that long-term floating charge brings to ternary lithium battery, greatly improves
Service life, so as to solve the problems, such as the on-line maintenance of backup type ternary lithium battery, reduces maintenance cost, improves system operation reliability
Property, with good practicality and economy.
Brief description of the drawings
Below with reference to accompanying drawings, describe in detail according to exemplary embodiment of the present utility model.
Fig. 1 is shown according to principle of device schematic diagram of the present utility model.
Specific embodiment
The utility model is main according to ternary lithium battery parameter characteristic, and the backup type ternary lithium battery to station power supply is used
The mode of online electric discharge and internal balance carries out online activation management.
System principle schematic diagram of the present utility model according to Fig. 1：
First, ternary lithium battery is combined in groups by the form of series connection, forms ternary lithium battery group, then configure battery
Management system and balancer, real-time monitoring system ruuning situation.Secondly, according to running situation, ternary lithium battery is entered
Row batch (-type) is discharged online, and internal balance operation is at the same time implemented to ternary lithium battery.
According to preferred embodiment of the present utility model, the ternary lithium battery group is calculated with 110V, 200AH system configurations,
Voltage range requires to be 15%, and the voltage of single lithium battery is 3.7V, and 32 sections are one group, then rear normality voltage is 32*3.7=in groups
118.4V, the voltage range 3.0V- 4.1V according to ternary lithium battery, need control system charging voltage between 105V and 126V.
According to preferred embodiment of the present utility model, by real-time monitoring accumulator battery voltage electric current, single-unit storage battery
Current voltage and environment temperature, the running status of real-time monitoring ternary lithium battery.
According to preferred embodiment of the present utility model, described is active equal to the implementation internal balance operation of ternary lithium battery
Weighing apparatus.Described can also be passive type equilibrium to the operation of ternary lithium battery implementation internal balance.
It is described ternary lithium battery is carried out batch (-type) online electric discharge include control activation discharge load.Charge or hand over when
No starting online mobilizing function when stream has a power failure.Preferably, online mobilizing function only can be just started in floating charge.
According to preferred embodiment of the present utility model, the ternary lithium battery group uses 110V, 200AH systems, when
No starting online mobilizing function when having a power failure is charged or exchanged, this function only can be just started in floating charge.Switch is opened, is used
Diode, prevents dc bus from pouring in down a chimney to batteries.At the activation initial stage, loaded using full power, discharge current is about 0.5C, surveyed
The impact property of ternary lithium battery is tried, after lasting till setting capacity, is recovered to conventional 0.2C, Conventional activation is carried out, because of ternary lithium
The discharge curve balance of battery, should not be main termination foundation with accumulator battery voltage, should be to activate based on capacity, batteries
Voltage is lithium battery under-voltage protection foundation with 112V, and the situation for preventing whole group battery undervoltage occurs.Carrying out 0.2C routines
While activation, starting storage battery equalization function, euqalizing current is 0.1A, and this balanced way can be active balanced way, also may be used
It is passive balanced way.After activity cycle terminates, closure switch, batteries are joined directly together with dc bus.Online activation
Interval is preferably straight-flow system timing and fills interval, completes after line activation, and the energy that supplement activation is released is filled in startup.
According to preferred embodiment of the present utility model, under the operating mode for not allowing to use diode, also can by with direct current
The mode of power-supply system monitoring linkage, control DC bus-bar voltage for 112V, undertakes output based on ternary lithium battery and exerts oneself, heavy
Multiple above-mentioned online activation process to activation terminates.
According to preferred embodiment of the present utility model, using large scale touch LCD screen, full Chinese interface, operation letter
Single, man-machine interaction is friendly.Can real-time monitoring system ruuning situation, and intuitively shown by simulation drawing mode.By to collection
Data and the threshold comparison analysis for setting, and produce sound and light alarm.With data analysis writing function, system parameters are can record
Running status, and shown in forms such as list, curves.Consulted with data storage and export function, can be in native query history
Record, and diversified forms represent, it is possible to use USB interface derives the last data.With control of authority, set for system
Put and configuration parameter, there need to be authorized party can be used.With background communication function, can coordinate with background communication system, realize long-range
Control ＆ data acquisition.And possess GPS time adjustment functions, when supporting IRIG-B yards pair.
On the other hand the correspondence online activation method of above-mentioned transforming plant DC power supply ternary lithium battery, the utility model provides change
Electric station DC power supply ternary lithium battery activates device online, including：
Ternary lithium battery group,
Battery management system,
Battery equalisation device,
The ternary lithium battery activates device online includes the online electric discharge device of batch (-type), and the battery management system connects
The ternary lithium battery group is connect, the online electric discharge device of batch (-type) connects the ternary lithium battery group, the battery equalisation
Device connects the ternary lithium battery group.
According to preferred embodiment of the present utility model, the online electric discharge device of batch (-type) includes discharge load.
According to preferred embodiment of the present utility model, the discharge load is built-in integrated discharge load.
According to preferred embodiment of the present utility model, the ternary lithium battery activates device online includes diode, described
Diode connects the ternary lithium battery group.
According to preferred embodiment of the present utility model, the ternary lithium battery activates device online includes display screen, described
Display screen connects the battery management system.
According to preferred embodiment of the present utility model, the ternary lithium battery activate online device including USB interface and its
Its COM1.
The transforming plant DC power supply ternary lithium battery provided by the utility model activates device online, it is ensured that each batteries
Uniformity, realize the online mobilizing function of ternary lithium battery, reduce the influence that long-term floating charge brings to ternary lithium battery, carry significantly
Service life high, so as to solve the problems, such as the on-line maintenance of backup type ternary lithium battery, reduces maintenance cost, and improving system operation can
By property.
The transforming plant DC power supply ternary lithium battery provided by the utility model activates device online, is discharged by simulating
The form of operating mode, carry out periodically shallow filling the shallow operation put to transforming plant DC power-supply system ternary lithium battery, it is to avoid battery
The passivation of internal active material, improves service lifetime of accumulator, and reduce the cost of manual maintenance.
Although description of the present utility model is quite detailed and especially embodiment several described is described,
It is not intended to be limited to any these details or embodiment or any specific embodiments, but it is by ginseng that should be considered as
Appended claims are examined in view of prior art for the possibility that these claims provide broad sense is explained, so as to effectively cover
Preset range of the present utility model.Additionally, the utility model is described with utility model people foreseeable embodiment above,
Its purpose is to provide useful description, and those still unforeseen at present changes to unsubstantiality of the present utility model still may be used
Represent equivalent modifications of the present utility model.
Claims (3)
1. transforming plant DC power supply ternary lithium battery activates device online, it is characterised in that including：Ternary lithium battery group, electric power storage
Pond management system, battery equalisation device and the online electric discharge device of batch (-type),
Wherein, the battery management system connects the ternary lithium battery group, the battery equalisation device connection described three
First lithium battery group, the online electric discharge device of batch (-type) connects the ternary lithium battery group.
2. ternary lithium battery according to claim 1 activates device online, it is characterised in that：
The online electric discharge device of batch (-type) is loaded including activation discharge；
The activation discharge load is built-in integrated discharge load.
3. ternary lithium battery according to claim 1 and 2 activates device online, it is characterised in that also include：With described three
The diode of first lithium battery group connection；The display screen being connected with the battery management system；USB interface and COM1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162322.7U CN206195387U (en) | 2016-10-25 | 2016-10-25 | Online activation device of ternary lithium battery of direct-current power supply of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162322.7U CN206195387U (en) | 2016-10-25 | 2016-10-25 | Online activation device of ternary lithium battery of direct-current power supply of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206195387U true CN206195387U (en) | 2017-05-24 |
Family
ID=58732962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621162322.7U Withdrawn - After Issue CN206195387U (en) | 2016-10-25 | 2016-10-25 | Online activation device of ternary lithium battery of direct-current power supply of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206195387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374580A (en) * | 2016-10-25 | 2017-02-01 | 珠海瓦特电力设备有限公司 | Online activation method and device for ternary lithium battery of direct-current power supply of transformer substation |
-
2016
- 2016-10-25 CN CN201621162322.7U patent/CN206195387U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374580A (en) * | 2016-10-25 | 2017-02-01 | 珠海瓦特电力设备有限公司 | Online activation method and device for ternary lithium battery of direct-current power supply of transformer substation |
| CN106374580B (en) * | 2016-10-25 | 2019-04-16 | 珠海瓦特电力设备有限公司 | Online activation method and device for ternary lithium battery of direct-current power supply of transformer substation |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20190416 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20190416 |