CN105186648A - Auxiliary power supply and power supply method for lead-acid storage battery public busbar charge-discharge power supply - Google Patents
Auxiliary power supply and power supply method for lead-acid storage battery public busbar charge-discharge power supply Download PDFInfo
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- CN105186648A CN105186648A CN201510626799.XA CN201510626799A CN105186648A CN 105186648 A CN105186648 A CN 105186648A CN 201510626799 A CN201510626799 A CN 201510626799A CN 105186648 A CN105186648 A CN 105186648A
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Abstract
The invention discloses an auxiliary power supply and a power supply method for a lead-acid storage battery public busbar charge-discharge power supply. The auxiliary power supply comprises a three-phase dry type transformer; the primary level of the three-phase dry type transformer is in delta connection, and is connected with a three-phase power supply end through a breaker; the secondary level of the three-phase dry type transformer adopts triangular and star-shaped connections; the triangular output and the star-shaped output are connected with input ends of two three-phase rectifier bridge modules respectively through two alternating current contactors; and the output ends of the three-phase rectifier bridge modules are connected through corresponding smoothing reactors respectively to form a public direct current busbar. The auxiliary power supply for the lead-acid storage battery public busbar charge-discharge power supply can be in direct operation in network.
Description
Technical field
The application relates to a kind of lead acid accumulator public bus discharge and recharge power supply accessory power supply and method of supplying power to, and this accessory power supply is used for the main power section auxiliary power supply of all kinds of lead acid accumulator public bus discharge and recharge power supply.
Background technology
Storage battery is the battery that repeatedly can charge, discharge, and it usually with filling up the stereotype of spongy lead as negative pole, filling up the stereotype of brown lead oxide as positive pole, and making electrolyte with dilute sulfuric acid.When charging, normally external dc power being connected on storage battery and charging, making electric energy conversion become chemical energy to store; During electric discharge, electric energy discharges from battery.Storage battery have good invertibity, voltage characteristic steadily, long service life, the advantage such as applied widely, power supply is convenient, safe and reliable.Along with the fast development of modern industry, the Storage Battery Industry in China plays more and more important fundamental role to social development construction, and the industry such as communications and transportation and telecommunication apparatus is increasing to storage battery demand, and corresponding requirement is also more and more higher.And storage battery formation processing is the very important process procedure affecting accumulator quality, therefore, to directly have influence on accumulator property and the useful life of production to effective control of storage battery chemical synthesis technology process, and discharge and recharge power supply is the basic assurance determining to change into quality.
Due to the difference of each lead-acid storage battery production manufacturers produce technique, occur that actual needs bus type discharge and recharge power supply exports larger power, and the power of common bus discharge and recharge power supplys all at present had fixed before dispatching from the factory, transformation difficulty is large, and cost is high.
Summary of the invention
The object of the present invention is to provide a kind of lead acid accumulator public bus discharge and recharge power supply accessory power supply and method of supplying power to, to overcome deficiency of the prior art.
For achieving the above object, the invention provides following technical scheme:
The embodiment of the present application discloses a kind of lead acid accumulator public bus discharge and recharge power supply accessory power supply, comprise dry-type three-phase transformer, the elementary of described dry-type three-phase transformer is delta-connection, be connected with three phase supply end by circuit breaker, the secondary employing triangle of described dry-type three-phase transformer and Y-connection, and triangle is connected respectively by the input of two A.C. contactors with two three phase rectifier bridge modules with the output of star, this three phase rectifier bridge module output is connected respectively by corresponding smoothing reactor and forms a public direct-flow bus wire.
Preferably, in above-mentioned lead acid accumulator public bus discharge and recharge power supply accessory power supply, described two A.C. contactors comprise A.C. contactor KM1 and A.C. contactor KM2, and A.C. contactor KM1 has 1 and often drives auxiliary contact, and described A.C. contactor KM1 is parallel with 2 delay startup resistance.
Preferably, in above-mentioned lead acid accumulator public bus discharge and recharge power supply accessory power supply, the resistance of described delay startup resistance is 8 Ω.
Preferably, in above-mentioned lead acid accumulator public bus discharge and recharge power supply accessory power supply, the nickel filament coiling of described delay startup resistance 1.6mm.
Accordingly, disclosed herein as well is the method for supplying power to of a kind of lead acid accumulator public bus discharge and recharge power supply accessory power supply, comprising:
Breaker closing, dry-type three-phase transformer connects group, two delay startup resistance and rectification module composition current limliting loop and charges to bus capacitor C, prevents the heavy current impact of powered on moment power supply point electric capacity;
A.C. contactor KM1 obtains electric closed, and often drive auxiliary contact and close, A.C. contactor KM2 obtains electric and lock then, bus normal power supply.
Compared with prior art, the invention has the advantages that: acid accumulator of the present invention public bus discharge and recharge power supply accessory power supply can direct hanging net operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the principle schematic of acid accumulator public bus discharge and recharge power supply accessory power supply in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Shown in ginseng Fig. 1, lead acid accumulator public bus discharge and recharge power supply accessory power supply, comprise dry-type three-phase transformer T0, the elementary of dry-type three-phase transformer is delta-connection, be connected with three phase supply end by circuit breaker Q F1, the secondary employing triangle of dry-type three-phase transformer and Y-connection, and triangle is connected with the input of two three phase rectifier bridge modules D1, D2 respectively by two A.C. contactor KM1, KM2 with the output of star, this three phase rectifier bridge module output is connected respectively by corresponding smoothing reactor TM2 and forms a public direct-flow bus wire.
Circuit breaker Q F1 is moulded case circuit breaker, and actual model joins choosing by dry-type transformer power.
The elementary delta-connection of dry-type three-phase transformer T0, two groups secondary is respectively delta-connection and star connection.Power and output voltage need to determine by physical device situation.Two 8 Ohmic resistances are delay startup resistance, with the nickel filament coiling of 1.6mm.A.C. contactor KM1 needs 1, band often to drive auxiliary contact, and A.C. contactor KM1 is directly connected to U1 and PE end, and A.C. contactor KM2 is connected to U1 and PE end by KM1 normally opened contact.
Device start flow process: circuit breaker Q F1 closes a floodgate, and dry-type transformer Y connects group, two 8 Ω resistance and rectification module composition current limliting loop and charges to bus capacitor C, prevents the heavy current impact of powered on moment power supply point electric capacity.A.C. contactor KM1 obtains electric closed, and often drive auxiliary contact and close, A.C. contactor KM2 obtains electric and lock then.Normal power supply is able to this bus.
Need to consider to increase delay circuit between QF1 and contactor KM1 action during actual use, delay startup effect is more obvious.Directly B-, A3 are connected respectively to during use on the negative pole of public bus type lead acid accumulator charging/discharging apparatus bus, positive pole.It should be noted that this equipment rated output voltage needs the principal voltage with public bus type lead acid accumulator charging/discharging apparatus consistent, busbar voltage both positive and negative polarity must be corresponding.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection range of the application.
Claims (5)
1. a lead acid accumulator public bus discharge and recharge power supply accessory power supply, it is characterized in that, comprise dry-type three-phase transformer, the elementary of described dry-type three-phase transformer is delta-connection, be connected with three phase supply end by circuit breaker, the secondary employing triangle of described dry-type three-phase transformer and Y-connection, and triangle is connected respectively by the input of two A.C. contactors with two three phase rectifier bridge modules with the output of star, this three phase rectifier bridge module output is connected respectively by corresponding smoothing reactor and forms a public direct-flow bus wire.
2. lead acid accumulator according to claim 1 public bus discharge and recharge power supply accessory power supply, it is characterized in that: described two A.C. contactors comprise A.C. contactor KM1 and A.C. contactor KM2, A.C. contactor KM1 has 1 and often drives auxiliary contact, and described A.C. contactor KM1 is parallel with 2 delay startup resistance.
3. lead acid accumulator according to claim 2 public bus discharge and recharge power supply accessory power supply, is characterized in that: the resistance of described delay startup resistance is 8 Ω.
4. lead acid accumulator according to claim 3 public bus discharge and recharge power supply accessory power supply, is characterized in that: the nickel filament coiling of described delay startup resistance 1.6mm.
5. the method for supplying power to of the public bus discharge and recharge of lead acid accumulator described in claim 3 power supply accessory power supply, is characterized in that, comprising:
Breaker closing, dry-type three-phase transformer connects group, two delay startup resistance and rectification module composition current limliting loop and charges to bus capacitor C, prevents the heavy current impact of powered on moment power supply point electric capacity;
A.C. contactor KM1 obtains electric closed, and often drive auxiliary contact and close, A.C. contactor KM2 obtains electric and lock then, bus normal power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510626799.XA CN105186648A (en) | 2015-09-28 | 2015-09-28 | Auxiliary power supply and power supply method for lead-acid storage battery public busbar charge-discharge power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510626799.XA CN105186648A (en) | 2015-09-28 | 2015-09-28 | Auxiliary power supply and power supply method for lead-acid storage battery public busbar charge-discharge power supply |
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| CN107493011A (en) * | 2017-09-04 | 2017-12-19 | 张家港市泓溢电源科技有限公司 | The soft-start circuit of the public bus type equipment of lead-acid accumulator |
| CN109494706A (en) * | 2017-09-11 | 2019-03-19 | 台达电子工业股份有限公司 | Integrated power supply system |
| WO2022120835A1 (en) * | 2020-12-11 | 2022-06-16 | 杭州铅锂智行科技有限公司 | Storage battery formation charging and discharging power supply and formation method therefor |
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| CN204928327U (en) * | 2015-09-28 | 2015-12-30 | 张家港市泓溢电源科技有限公司 | Public generating line charge -discharge power auxiliary electrical power source of lead acid battery |
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| CN201167244Y (en) * | 2008-03-03 | 2008-12-17 | 李海军 | Charging-discharging device sharing bus-bar wire for accumulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107493011A (en) * | 2017-09-04 | 2017-12-19 | 张家港市泓溢电源科技有限公司 | The soft-start circuit of the public bus type equipment of lead-acid accumulator |
| CN109494706A (en) * | 2017-09-11 | 2019-03-19 | 台达电子工业股份有限公司 | Integrated power supply system |
| WO2022120835A1 (en) * | 2020-12-11 | 2022-06-16 | 杭州铅锂智行科技有限公司 | Storage battery formation charging and discharging power supply and formation method therefor |
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Application publication date: 20151223 |