CN2798408Y - DC electric source apparatus for super capacitor - Google Patents
DC electric source apparatus for super capacitor Download PDFInfo
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- CN2798408Y CN2798408Y CN 200520023958 CN200520023958U CN2798408Y CN 2798408 Y CN2798408 Y CN 2798408Y CN 200520023958 CN200520023958 CN 200520023958 CN 200520023958 U CN200520023958 U CN 200520023958U CN 2798408 Y CN2798408 Y CN 2798408Y
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- diode
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- ultracapacitor
- direct current
- super capacitor
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Abstract
The utility model relates to a DC source device for super capacitors, which belongs to the technical field of power supply and is used for solving the problem of the electric energy of an operating mechanism. The DC source device is composed of a DC power supply bus, a charge and discharge circuit and an energy storage capacitor, wherein the energy storage capacitor adopts a super capacitor (C1), and the charge and discharge circuit is composed of two diodes (D1, D2), wherein the diode (D1) is reversely connected in parallel with the diode (D2) after connected in series with a current-limiting resistor, one node after parallel connection is connected with one phase of the DC power supply bus, the other node in parallel is connected to the super capacitor (C1), and the other end of the super capacitor (C1) is connected with the other phase of the DC power supply bus. The utility model has the advantages of large electric capacity, high energy accumulation density, small leakage current, high discharge power, long service life and no maintenance, and is suitable to supply driving electric energy for the operating mechanism of a transformer substation and a distribution substation.
Description
Technical field
The utility model relates to a kind of improved continuous-current plant, belongs to power technique fields.
Background technology
At present in 110KV, 35KV transformer station and the 10KV power distribution station (chamber) of electric power system extensive use; the operating mechanism of most high-voltage switch gears (circuit breaker) is a CDX type electromagnetic operating mechanism, these operating mechanisms all by the DC power supply of transformer station or power distribution station (chamber) special configuration as minute, the electric supply installation of closing operation, control, protection.These DC power supply device mainly contain two kinds, and a kind of is the DC power supply that storage capacitor is formed, the DC power supply that another kind is made up of storage battery.For the capacitance energy storage type supply unit, it has advantage simple in structure, that cost is low, maintenance is little, and therefore the end stations in electric power system has obtained using widely.But in use also find because used electrolytic capacitor pool-size is little, to have only several thousand microfarads, leakage current is bigger, and can't guarantee under any circumstance to provide accident separating brake energy needed, so the separating brake poor reliability is the critical defect of this device.The method that solves is the batteries that is replaced with low capacity at present, but the low capacity batteries costs an arm and a leg, need frequent maintaining, useful life is short, particularly μ F level capacitor and low capacity batteries can not be born the combined floodgate task, be in stand-by state for a long time, in case supply line breaks down when needing rapid separating brake, just may not provide enough energy, cause more major break down, this phenomenon is at some change, power distribution station, particularly the subscriber station of big industry never finds solution preferably.And accumulator direct current supply has the advantage that the accumulate energy is big, can power for a long time after power failure, is mainly used in important change, power distribution station, as other transformer station of 110KV higher level, or the like.Yet for end stations and subscriber station, in fact back direct current supply does not for a long time need to have a power failure, though the DC power supply of using storage battery to form has solved the reliability of accident divide-shut brake, but have but that storage battery costs an arm and a leg, a shortcoming such as the frequent maintaining of needs, useful life are limited, and failure rate can increase also along with the multi-section serial of battery.Therefore end stations and subscriber station use the storage battery neither a good selection scheme, and people urgently wish to have better solution.
Ultracapacitor is a kind of extraordinary energy storage capacitor that grew up in recent years, the super large capacitor amount that the farad level is arranged, the high hundreds of times of long-pending energy density than traditional electrolytic capacitor, leakage current is little nearly thousand times, discharge power is high nearly ten times than storage battery, and without any need for care and maintenance, the life-span reaches 15 years, be a kind of desirable powerful physics secondary power supply, do drive electric energy and will can yet be regarded as and a kind ofly select preferably if can use it for operating mechanism.
Summary of the invention
The utility model be used to overcome the defective of above-mentioned prior art and provide a kind of simple in structure, cost is low, maintenance is little, can be reliably for become, the operating mechanism supply of power distribution station drives the ultracapacitor continuous-current plant of electric energy.
The technical scheme that solves the problems of the technologies described above is:
A kind of ultracapacitor continuous-current plant, it is made up of direct current supply bus, charge-discharge circuit and energy storage capacitor, described energy storage capacitor adopts ultracapacitor C1, charging and discharging circuit is made up of diode D1, D2, wherein, diode D1 and current-limiting resistance series connection back and diode D2 parallel connected in reverse phase, a node after the parallel connection connects a phase of direct current supply bus, another sys node and super capacitor C1 join, and the other end of super capacitor C1 connects another phase of direct current supply bus.
Above-mentioned ultracapacitor continuous-current plant is set up super capacitor C2 and corresponding charge-discharge circuit, and charge-discharge circuit is made up of diode D3, D4 and resistance R 2, and described circuit connects identical with above-mentioned charging and discharging circuit, and the two ends of two charging and discharging circuit are in parallel.
Above-mentioned ultracapacitor continuous-current plant, set up electric voltage observation circuit, described electric voltage observation circuit is made up of voltmeter V and change over switch, wherein, be connected with change over switch K1, K2 respectively between super capacitor C1, C2 and diode sys node, voltmeter V is connected across super capacitor C1, C2 two ends, its a termination super capacitor C1, the end of C2, the other end is connected with the contact of two change over switch K1, K2, and its transition arm connects the other end of ultracapacitor.
Above-mentioned ultracapacitor continuous-current plant, set up the direct current supply mini system, described direct current supply mini system is made up of inductance L 1, resistance R 3, diode D5, inductance L 1, resistance R 3, diode D5 are connected in series, wherein, the forward end of diode is connected to the positive output end of rectification circuit ZL, and the other end of series circuit is connected to direct current supply bus HM+, and the negative output terminal of rectification circuit ZL is connected to direct current supply bus HM-.
Above-mentioned ultracapacitor continuous-current plant, set up batteries E, inductance L 2, resistance R 4 and diode D6, D7, be connected into a branch road with inductance L 2, resistance R 4 after described diode D6, the D7 parallel connected in reverse phase, batteries E is connected to direct current supply bus HM+ and HM-by this branch road.
Adopt the continuous-current plant of this structure, under normal circumstances charge to ultracapacitor by the DC power supply bus, in case break down when needing rapid separating brake when supply line, being stored in electric energy on the ultracapacitor can provide separating brake to move needed electric energy.This continuous-current plant has big, the long-pending energy density of capacitance height, leakage current is little, discharge power height, life-span are long and without any need for the advantage of care and maintenance, be for become, the operating mechanism supply of power distribution station drives a kind of desirable continuous-current plant of electric energy.
Description of drawings
Fig. 1 is an electrical schematic diagram of the present utility model;
Fig. 2 is the electrical schematic diagram of setting up behind the direct current supply mini system;
Fig. 3 is the electrical schematic diagram of setting up after the batteries.
Embodiment
What Fig. 1 showed is the basic circuit of ultracapacitor continuous-current plant.It is by the identical charging and discharging circuit of two-way, and in this two-way charging and discharging circuit, resistance R 1, R2 form the RC charging circuit with super capacitor C1, C2 respectively, and diode D1, D2, D3, D4 parallel connected in reverse phase respectively are connected in the loop.When direct current supply bus normal power supply, can pass through diode D1, D3, resistance R 1, R2 and charge to super capacitor C1, C2 respectively; And when needs, ultracapacitor C1, C2 export electric energy by diode D2, D4 to the direct current supply bus respectively.In above-mentioned two charging and discharging circuit, also utilize the voltage at voltmeter V monitoring ultracapacitor C1, C2 two ends.Fuse B1, B2 in the circuit shield.
In the utility model, provide the rectification charging mode of direct current energy to have multiple to direct current supply bus and ultracapacitor.A kind of is to adopt common rectifier charging circuit, and another kind is to adopt the full automatic program-control charger, and having a kind of again is to adopt HF switch type charge power supply, but they can use the basic structure of the ultracapacitor charging and discharging circuit that Fig. 1 shows.In sort circuit, can adopt two CF0.85,280V ultracapacitor.Can supply CD10 electromagnetic operating mechanism operation 25-32 time after the interchange power failure, sub-switching operation 500-700 time is suitable for 110KV, 35KV, the terminal large user of 10KV transformer station as operating, protect, control power supply very much.
In Fig. 2, the 380V AC power is output dc voltage after silicon rectification circuit ZL rectification, and it constitutes silicon rectifier type ultracapacitor DC power supply with above-mentioned charging and discharging circuit.This connected mode is under normal circumstances passed through silicon rectifier ZL, inductance L 1, resistance R 3, diode D5 to the direct current supply bussed supply by the 380V AC power, satisfies the needs of voltage inspection standing on the DC power supply panel, flasher or the electricity consumption of insulation check circuit.Simultaneously, it also can pass through resistance R 1, R2, diode D1, D3 and charges to super capacitor C1, C2; After exchanging power failure, pass through diode D2, D4 to the direct current supply bussed supply by super capacitor C1, C2.
What Fig. 3 showed is another kind of composite power supply power supply, and it has increased batteries E, and this batteries E is connected in parallel on the two ends of charge-discharge circuit, and the task of finishing to discharge and recharge through a series circuit of being made up of inductance L 2, resistance R 4, diode.This combined type DC power supply must satisfy two conditions simultaneously when selecting the capacity of batteries E: the firstth, satisfy the combined floodgate requirement of impact load maximum discharge current; The secondth, satisfy the time requirement under the normal duty electric current.When the battery capacity of selecting according to the impact load maximum current (ampere-hour number) during greater than the capacity requirement of normal duty, composite power source just can be born impact load by ultracapacitor, bear normal duty by batteries, the capacity of batteries just can select littler by the requirement of normal duty.So both reduced cost, reduced maintenance, and made batteries avoid the impact of big electric current and increase the service life again.Therefore, in important 110KV transformer station, can increase the composite power source that one group of 10AH-20AH storage battery and ultracapacitor are formed when dc load (need after direct current oil pump, the accident illumination) is arranged.
Claims (5)
1. ultracapacitor continuous-current plant, it is characterized in that, it is made up of direct current supply bus, charge-discharge circuit and energy storage capacitor, described energy storage capacitor adopts ultracapacitor C1, charging and discharging circuit is made up of diode D1, D2, wherein, diode D1 and current-limiting resistance series connection back and diode D2 parallel connected in reverse phase, a node after the parallel connection connects a phase of direct current supply bus, another sys node and super capacitor C1 join, and the other end of super capacitor C1 connects another phase of direct current supply bus.
2. ultracapacitor continuous-current plant according to claim 1, it is characterized in that: set up super capacitor C2 and corresponding charge-discharge circuit, described charge-discharge circuit is made up of diode D3, D4 and resistance R 2, described circuit connects identical with above-mentioned charging and discharging circuit, the two ends parallel connection of two charging and discharging circuit.
3. ultracapacitor continuous-current plant according to claim 2, it is characterized in that: set up electric voltage observation circuit, described electric voltage observation circuit is made up of voltmeter V and change over switch, wherein, between super capacitor C1, C2 and diode sys node, be connected with change over switch K1, K2 respectively, voltmeter V is connected across the two ends of super capacitor C1 or C2, an its termination super capacitor C1, the end of C2, the other end is connected with the contact of two change over switch K1, K2, and its transition arm connects the other end of ultracapacitor.
4. ultracapacitor continuous-current plant according to claim 3, it is characterized in that: set up the direct current supply mini system, described direct current supply mini system is made up of inductance L 1, resistance R 3, diode D5, wherein, inductance L 1, resistance R 3, diode D5 are connected in series, the forward end of diode is connected to the positive output end of rectification circuit ZL, and the other end of series circuit is connected to direct current supply bus HM+, and the negative output terminal of rectification circuit ZL is connected to direct current supply bus HM-.
5. ultracapacitor continuous-current plant according to claim 3, it is characterized in that: set up batteries E, inductance L 2, resistance R 4 and diode D6, D7, be connected into a branch road with inductance L 2, resistance R 4 after described diode D6, the D7 parallel connected in reverse phase, batteries E is connected on direct current supply bus HM+ and the HM-by this branch road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023958 CN2798408Y (en) | 2005-04-27 | 2005-04-27 | DC electric source apparatus for super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023958 CN2798408Y (en) | 2005-04-27 | 2005-04-27 | DC electric source apparatus for super capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2798408Y true CN2798408Y (en) | 2006-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520023958 Expired - Fee Related CN2798408Y (en) | 2005-04-27 | 2005-04-27 | DC electric source apparatus for super capacitor |
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| Country | Link |
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| CN (1) | CN2798408Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664396A (en) * | 2012-05-21 | 2012-09-12 | 天津市三源电力设备制造有限公司 | Connecting circuit for energy storage super capacitor bank in intelligent maintenance-free direct current power system |
| CN107607787A (en) * | 2017-10-18 | 2018-01-19 | 广东电网有限责任公司佛山供电局 | A kind of loop resistance detecting system and method based on ultracapacitor group |
-
2005
- 2005-04-27 CN CN 200520023958 patent/CN2798408Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664396A (en) * | 2012-05-21 | 2012-09-12 | 天津市三源电力设备制造有限公司 | Connecting circuit for energy storage super capacitor bank in intelligent maintenance-free direct current power system |
| CN107607787A (en) * | 2017-10-18 | 2018-01-19 | 广东电网有限责任公司佛山供电局 | A kind of loop resistance detecting system and method based on ultracapacitor group |
| CN107607787B (en) * | 2017-10-18 | 2023-07-21 | 广东电网有限责任公司佛山供电局 | Loop resistance detection system and method based on supercapacitor group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |