CN103280867A - System for charging and discharging storage battery by using common generatrix - Google Patents
System for charging and discharging storage battery by using common generatrix Download PDFInfo
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- CN103280867A CN103280867A CN2013101767393A CN201310176739A CN103280867A CN 103280867 A CN103280867 A CN 103280867A CN 2013101767393 A CN2013101767393 A CN 2013101767393A CN 201310176739 A CN201310176739 A CN 201310176739A CN 103280867 A CN103280867 A CN 103280867A
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Abstract
The invention discloses a system for charging and discharging a storage battery by using a common generatrix. The system comprises a high-voltage line, wherein the high-voltage line is connected with transformers; the transformers are connected with a switch cabinet; the switch cabinet is connected with a power distribution cabinet; the power distribution cabinet is used for outputting voltage to a low-voltage output line; the low-voltage output line is used for supplying power to external equipment; the power distribution cabinet is connected with a wave suppression compensation device; the transformers comprise a power transformer and a rectification transformer; the external equipment comprises electrical equipment of an enterprise and a charging and discharging device; the power transformer is connected with the electrical equipment of the enterprise; and the rectification transformer is connected with the charging and discharging device. According to such a technology, the use of the rectification transformer is reduced, own consumption of the equipment is also reduced, and meanwhile, the power can be supplied to the electrical equipment of the enterprise and the charging and discharging device, so that the equipment cost is reduced, and the system is energy-saving and environment-friendly.
Description
Technical field
Technical solution of the present invention relates to the charging and discharging of accumulator system, particularly a kind of accumulator charging/discharging system that uses the direct Methyclothiazide of public bus to use.
Background technology
Common accumulator charging/discharging system (as shown in Figure 2) mainly is earlier by power transformer the 10KV high-voltage line to be dropped to the business electrical of 400V, for local business electrical equipment use such as for example office building or workshop etc.If powering then to charging/discharging apparatus, need to connect rectifier transformer at every charging/discharging apparatus be 300V voltage with the 400V voltage transition of business electrical.There is the equipment cost height in such accumulator charging/discharging system, and the transformer consumable is big, and the big problem of heat dissipation capacity.Be that 200820005489.1 publications have proposed a kind of public bus accumulator charging/discharging system at these problems China application numbers, removed the rectifier transformer that 400V voltage is converted into 300V voltage, directly 10KV voltage is reduced to the 300V power voltage supply by the rectifier transformer of special use and give charge and discharge device, reduce equipment cost, reduced the equipment consumable.Power supply when but this patent can't be accomplished to the business electrical equipment of 400V voltage and 300V voltage charging/discharging apparatus.When the business electrical of 400V voltage, need buy a cover step-down equipment in addition, increase equipment expense.
Summary of the invention
The problem that the present invention program will solve provides a kind of public bus accumulator charging/discharging system, not only reduce the use of rectifier transformer, reduced the equipment consumable, and can give the power supply of business electrical equipment and charge and discharge device simultaneously, reduced equipment cost, energy-conserving and environment-protective.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of public bus accumulator charging/discharging system, comprise high-voltage line, described high-voltage line connects transformer, described transformer connects switch cubicle, and described switch cubicle connects power distribution cabinet, and the power distribution cabinet output voltage is given the low pressure output line, described power distribution cabinet is connected with and presses down the ripple compensation arrangement, described transformer comprises power transformer and rectifier transformer, and described power transformer connects business electrical equipment through the low pressure output line, and described rectifier transformer connects charge and discharge device through the low pressure output line.The 10KV high-tension electricity of described high-voltage line output is depressured to 400V through power transformer and uses for business electrical equipment places such as office building or workshops, and the 10KV high-tension electricity of high-voltage line output is depressured to 300V through rectifier transformer and uses for charge and discharge device.Described business electrical equipment and charge and discharge device are connected to power transformer and rectifier transformer, can provide business electrical equipment and charge and discharge device required different utilization voltages simultaneously, reduce equipment cost, reduced the consumable of transformer, energy-conserving and environment-protective.
As preferably, described charging/discharging apparatus has two at least.Described charging/discharging apparatus is connected on the unified rectifier transformer, has saved the required rectifier transformer that 400V is depressured to 300V of original every charging/discharging apparatus, has reduced equipment cost, has reduced the equipment consumable.
As preferably, described low pressure output line is phase three-wire three.Center line is unsettled earth-free, simultaneously with the charging/discharging apparatus earthing of casing, eliminates the people when contact arrangement and the potential difference between the ground, guarantees Electrical Safety.
As preferably, described harmonic compensation device is Electric capacity compensation device.Improve power factor (PF), increased the utilance of electric energy.
As preferably, described harmonic compensation device is the capacitor and inductor compensation arrangement.Improve power factor (PF), increased the utilance of electric energy, and avoided the amplification of harmonic wave.
As preferably, described rectifier transformer is the double winding rectifier transformer.Eliminate three times, five times and the seventh harmonic that public bus accumulator cell charging and discharging machine produces by the double winding form, avoided device to disturb.
As preferably, described charge and discharge device is connected with rectifier.By rectifier alternating voltage being converted to the required direct voltage of storage battery is charge in batteries.
After adopting technique scheme, the present invention has following advantage:
Described business electrical equipment and charge and discharge device are connected on power transformer and the rectifier transformer, reduced the cost of equipment, saved the required rectifier transformer that 400V is depressured to 300V of original every charging/discharging apparatus, and can provide business electrical equipment and charge and discharge device required different voltages simultaneously, reduced the cost of equipment, also reduced the consumable of transformer, energy-conserving and environment-protective.
Described low pressure output line adopts three-phase three-wire system, and center line is unsettled earth-free, simultaneously with the charging/discharging apparatus earthing of casing, has eliminated the people when contact arrangement and the potential difference between the ground, guarantees Electrical Safety.
Eliminate three times, five times and the seventh harmonic that public bus accumulator cell charging and discharging machine produces by the double winding rectifier transformer, avoided the interference of device.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described further:
Fig. 1 is system of the present invention connection layout;
Fig. 2 is the accumulator charging/discharging system line graph of prior art.
Embodiment
As shown in Figure 1, a kind of public bus accumulator charging/discharging system comprises high-voltage line 3, and described high-voltage line 3 connects switch cubicle with the high-tension electricity of 10KV by the transformer step-down, and switch cubicle connects power distribution cabinet, is outputed to the low pressure output line 4 of phase three-wire three by power distribution cabinet.Described transformer comprises power transformer 1 and rectifier transformer 2, described power transformer 1 drops to 400V through low pressure output line 4 with the high-tension electricity of 10KV and uses for business electrical equipment, and described rectifier transformer 2 drops to 300V through low pressure output line 4 with the high-tension electricity of 10KV and uses for charging/discharging apparatus.The low pressure output line 4 of phase three-wire three, center line is unsettled earth-free, and with the charging/discharging apparatus earthing of casing, eliminated the people when contact arrangement and the potential difference between the ground, guarantee Electrical Safety.Described power distribution cabinet is connected with and presses down the ripple compensation arrangement, is used for avoiding the amplification of harmonic wave, improves power factor (PF).Described charge and discharge device is connected with rectifier.By rectifier alternating current is converted into the required direct current of charge in batteries.
Described charging/discharging apparatus has two at least, and described charging/discharging apparatus is connected on the unified rectifier transformer, has saved the required rectifier transformer that 400V is depressured to 300V of original every charging/discharging apparatus, has reduced equipment cost, has reduced the equipment consumable.
In this preferred embodiment, described rectifier is the rectifier of silicon controlled rectifier or IJBT model, but is not limited to institute for the rectifier example.
In this preferred embodiment, described rectifier transformer 2 is the double winding rectifier transformer, has eliminated three times, five times and seven times high order harmonic component that public bus accumulator cell charging and discharging machine produces.
Business electrical equipment described in the technical solution of the present invention and charge and discharge device are connected on power transformer 1 and the rectifier transformer 2, compare with the accumulator charging/discharging system of the prior art of Fig. 2, saved the required rectifier transformer 2 that 400V is depressured to 300V of original every charging/discharging apparatus, and can provide business electrical equipment and charge and discharge device required different voltages simultaneously, reduce the cost of equipment, also reduced the consumable of transformer.And rectifier transformer work meeting produces a large amount of heats, improve enterprise's production environment temperature, forced enterprise to increase the input of refrigeration plants such as air-conditioning, saved the heat that has produced when rectifier transformer 2 has just in time been eliminated its work, reduced the input of enterprise's refrigeration plant, and energy-conserving and environment-protective.
Embodiment 1:
In the execution mode of the above, be that other do not change the Electric capacity compensation device except pressing down the ripple compensation arrangement, do not repeat them here.
Embodiment 2:
The Electric capacity compensation device of implementing in 1 is replaced by the capacitor and inductor compensation arrangement.Other do not change, and do not repeat them here.
Two kinds among described enforcement 1 and the embodiment 2 are pressed down ripple compensation arrangement scheme and have improved power factor (PF), have increased the utilance of electric energy, have avoided the amplification of harmonic wave.
Except above preferred embodiment, the present invention also has other execution mode, those skilled in the art can make various changes and distortion according to technical solution of the present invention, only otherwise break away from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (7)
1. public bus accumulator charging/discharging system, comprise high-voltage line (3), described high-voltage line (3) connects transformer, described transformer connects switch cubicle, described switch cubicle connects power distribution cabinet, the power distribution cabinet output voltage is given low pressure output line (4), described power distribution cabinet is connected with and presses down the ripple compensation arrangement, it is characterized in that: described transformer comprises power transformer (1) and rectifier transformer (2), described power transformer (1) connects business electrical equipment through low pressure output line (4), and described rectifier transformer (2) connects charge and discharge device through low pressure output line (4).
2. public bus accumulator charging/discharging system according to claim 1, it is characterized in that: described charging/discharging apparatus has two at least.
3. public bus accumulator charging/discharging system according to claim 1, it is characterized in that: described low pressure output line (4) is phase three-wire three.
4. public bus accumulator charging/discharging system according to claim 1 is characterized in that: described to press down the ripple compensation arrangement be Electric capacity compensation device.
5. public bus accumulator charging/discharging system according to claim 1 is characterized in that: described to press down the ripple compensation arrangement be the capacitor and inductor compensation arrangement.
6. public bus accumulator charging/discharging system according to claim 1, it is characterized in that: described rectifier transformer (2) is the double winding rectifier transformer.
7. according to any described public bus accumulator charging/discharging system in the claim 1-6, it is characterized in that: described charge and discharge device connects rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101767393A CN103280867A (en) | 2013-05-13 | 2013-05-13 | System for charging and discharging storage battery by using common generatrix |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101767393A CN103280867A (en) | 2013-05-13 | 2013-05-13 | System for charging and discharging storage battery by using common generatrix |
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| CN103280867A true CN103280867A (en) | 2013-09-04 |
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| CN2013101767393A Pending CN103280867A (en) | 2013-05-13 | 2013-05-13 | System for charging and discharging storage battery by using common generatrix |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5166595A (en) * | 1990-09-17 | 1992-11-24 | Circom Inc. | Switch mode battery charging system |
| CN201167244Y (en) * | 2008-03-03 | 2008-12-17 | 李海军 | Charging-discharging device sharing bus-bar wire for accumulator |
| CN102364804A (en) * | 2011-11-14 | 2012-02-29 | 合肥联信电源有限公司 | Independent electrical energy storage system |
| CN203218956U (en) * | 2013-05-13 | 2013-09-25 | 张慧昌 | Common bus storage battery charging/discharging system |
-
2013
- 2013-05-13 CN CN2013101767393A patent/CN103280867A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5166595A (en) * | 1990-09-17 | 1992-11-24 | Circom Inc. | Switch mode battery charging system |
| CN201167244Y (en) * | 2008-03-03 | 2008-12-17 | 李海军 | Charging-discharging device sharing bus-bar wire for accumulator |
| CN102364804A (en) * | 2011-11-14 | 2012-02-29 | 合肥联信电源有限公司 | Independent electrical energy storage system |
| CN203218956U (en) * | 2013-05-13 | 2013-09-25 | 张慧昌 | Common bus storage battery charging/discharging system |
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Application publication date: 20130904 |