CN205304264U - Direct current, interchange integrated load power supply system - Google Patents
Direct current, interchange integrated load power supply system Download PDFInfo
- Publication number
- CN205304264U CN205304264U CN201521073653.9U CN201521073653U CN205304264U CN 205304264 U CN205304264 U CN 205304264U CN 201521073653 U CN201521073653 U CN 201521073653U CN 205304264 U CN205304264 U CN 205304264U
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Abstract
The utility model discloses a direct current, interchange integrated load power supply system, include: the line including three circuits, a, commercial power ac energisation circuit, is directly supplied power to the alternating load, B, the commercial power circuit that charges is connected with the integral type controller, and the integral type controller is connected with storage battery, charges the commercial power for storage battery through the integral type controller, C, commercial power dc supply circuit are connected with the rectifier, supply power to the DC load after converting the commercial power to direct current, storage battery, one end is through integral type controller and the commercial power circuit intercommunication that charges, and one end is connected with the dc -to -ac converter, and one end is connected with the DC load, photovoltaic system, one end is connected with the dc -to -ac converter, and the other end is connected with the DC load. This system optimization storage battery's working property, the direct current that adopts storage battery and photovoltaic system to produce is direct to charge for the DC load, has reduced to become the energy losses that alternating current reconversion one -tenth direct current was supplied power and is brought with DC conversion.
Description
Technical field
This utility model relates to a kind of direct current, exchange integrated load electric power system.
Background technology
DC power system is to be applied to waterpower, thermal power plant; all kinds of transformer stations and other use DC equipment user, for dividing to signalling arrangement, protection, automaton, emergency lighting, emergency power supply and chopper, closing operation provide DC source power-supply device. Straight-flow system is an independent power supply, and it is not by the impact of electromotor, station service and system operation mode, and when outside alternating current interrupts, it is ensured that continued to provide the visual plant of DC source by back-up source accumulator. Having many uses of DC power system is general; it is applied to waterpower, thermal power plant; user's (such as power plant, transformer station, power distribution station, petrochemical industry, iron and steel, electric railway, real estate etc.) of all kinds of transformer stations and other use DC equipment; divide for signalling arrangement, protection, automaton, emergency lighting and chopper, closing operation provides DC source; it is widely used in Office of the Telecommunications Authority, computer floor, hospital, mine, hotel too; and the reliable emergency power supply of skyscraper, purposes is very extensive.
Unidirectional current can be powered by alternating current power supply, it is also possible to is sent unidirectional current by photovoltaic system and is powered, but the output of simple photovoltaic system is relatively big by the impact of weather, and cannot generate electricity evening. Therefore photovoltaic system is made for making up described unstability with AC network combination. But the load that electrical network is in different period every day is very unbalanced, and daytime, peak period, power consumption was higher, and electricity price is higher, and evening, low-valley interval power consumption was relatively low, electricity price is relatively low simultaneously.If civil power during by low ebb in evening uses with solaode combination on daytime, power consumption during peak of power consumption can not only be cut down, when meeting normal power supply, very big economic benefit can be brought simultaneously.
Utility model content
This utility model provides a kind of direct current to solve deficiency of the prior art, exchange integrated load electric power system, by civil power, accumulator battery, the electric energy of photovoltaic system combines, the power supply meeting AC load can be given, the power supply of DC load can be met simultaneously, and electric power system is optimized, electricity price electrical power storage time relatively low is got up, the green energy resource of sunlight is introduced electric power system simultaneously, solve the problem that simple grid charging electricity can not supply for a long time, electrical network when utilizing electricity price low organically combines with solar energy and accumulator battery is charged, optimize the service behaviour of accumulator battery.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is:
A kind of direct current, exchange integrated load electric power system, including:
Line, including three-line, a, mains supply line, is directly powered AC load; B, commercial power charged circuit, control machine with integral type and be connected, and integral type controls machine and is connected with accumulator battery, controls Ji Jiang city by integral type and supplies electricity to battery charging; C, civil power direct current supply line, be connected with commutator, after civil power converts to unidirectional current, DC load is powered;
Accumulator battery, one end controls machine by integral type and connects with commercial power charged circuit, by civil power, accumulator battery is charged; One end is connected with inverter, electric energy supply AC load accumulator battery stored; The other end is connected with DC load, is directly powered to DC load by the electric energy that accumulator battery stores;
Photovoltaic system, one end is connected with inverter, the electric energy supply AC load produced by photovoltaic system; The other end is connected with DC load, the electric energy supply DC load produced by photovoltaic system;
Wherein, described integral type controls machine and controls the charge/discharge mode of accumulator battery according to electricity price, when electricity price is low, integral type controls machine and accumulator battery is charged, when electricity price height, accumulator battery is adopted directly to power, optimize the service behaviour of accumulator battery, bring very big economic benefit, alleviate power tense degree during peak of power consumption simultaneously, simultaneously, this product adopts the unidirectional current that accumulator battery and photovoltaic system produce to be charged directly to DC load, decrease and become unidirectional current to be powered the electric energy loss brought converting direct-current power into alternating-current power reconvert.
Further, described mains supply line includes by-pass switch, by-pass switch switch on and off and control the switching on and off of mains supply line.
Further, also including urban electric power switch, urban electric power switch is arranged in line bus, and after urban electric power switch disconnects, all lines all disconnect.
Further, described direct current, exchange integrated load electric power system include AC load powering mode, when battery charging, connect by-pass switch and open mains supply line, civil power directly AC load is powered; When accumulator battery is discharged, bypass switch opens, accumulator battery and photovoltaic system provide electric energy to inverter, after inverter is by converting direct-current power into alternating-current power, AC load are powered.
Further, described direct current, exchange integrated load electric power system include DC load powering mode, when battery charging, urban electric power switch is connected, commercial power charged circuit and civil power direct current supply line are opened, and the electric energy of photovoltaic system generation and civil power electric energy are powered to battery charging and to DC load;When accumulator battery is discharged, urban electric power switch disconnects, and electric energy and the electric energy of accumulator battery storage that photovoltaic system produces are powered to DC load.
Accompanying drawing explanation
Fig. 1 is the direct current that this utility model provides, the annexation block diagram exchanging integrated load electric power system.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
Embodiment 1
A kind of direct current, exchange integrated load electric power system, including:
Line, including three-line, a, mains supply line, is directly powered AC load; B, commercial power charged circuit, control machine with integral type and be connected, and integral type controls machine and is connected with accumulator battery, controls Ji Jiang city by integral type and supplies electricity to battery charging; C, civil power direct current supply line, be connected with commutator, after civil power converts to unidirectional current, DC load is powered;
Accumulator battery, one end controls machine by integral type and connects with commercial power charged circuit, by civil power, accumulator battery is charged; One end is connected with inverter, electric energy supply AC load accumulator battery stored; The other end is connected with DC load, is directly powered to DC load by the electric energy that accumulator battery stores;
Photovoltaic system, one end is connected with inverter, the electric energy supply AC load produced by photovoltaic system; The other end is connected with DC load, the electric energy supply DC load produced by photovoltaic system;
Wherein, described integral type controls machine and controls the charge/discharge mode of accumulator battery according to electricity price, when electricity price is low, integral type controls machine and accumulator battery is charged, when electricity price height, accumulator battery is adopted directly to power, optimize the service behaviour of accumulator battery, bring very big economic benefit, alleviate power tense degree during peak of power consumption simultaneously, simultaneously, this product adopts the unidirectional current that accumulator battery and photovoltaic system produce to be charged directly to DC load, decrease and become unidirectional current to be powered the electric energy loss brought converting direct-current power into alternating-current power reconvert.
Specifically, as it is shown in figure 1, when AC load is powered by needs, it is possible to select only to connect k1, k3, k4 tri-switch, unlatching mains supply line, civil power directly AC load is powered; Simultaneously can turn on-switch k2 and k6, civil power control machine through integral type, accumulator battery be charged.
When needs use accumulator battery electric discharge, coupling cock k4, k5, k6, k7 disconnect other switches, accumulator battery and photovoltaic system provide electric energy to inverter, after inverter is by converting direct-current power into alternating-current power, AC load is powered, certainly while accumulator battery is powered, can also turn on-switch k8, photovoltaic system be powered for AC load together with accumulator battery.
Can certainly only turn on-switch k8, k4, k5, photovoltaic system be that AC load is powered.
When DC load is powered by needs, it is possible to select accumulator battery, civil power and/or photovoltaic system that DC load is powered.
When only turning on switch k1, k2, k9, by after the rectified device of civil power, DC load is powered.
When only turning on switch k6, k7, k9, accumulator battery DC load is powered.
When only turning on switch k8, k9, photovoltaic system DC load is powered.
Although embodiment of the present utility model being illustrated in description, but these embodiments are intended only as prompting, should not limit protection domain of the present utility model.In the scope without departing from this utility model objective, carry out various omission, displacement and change should be included in protection domain of the present utility model.
Claims (3)
1. a direct current, exchange integrated load electric power system, it is characterised in that including:
Line, including three-line, a, mains supply line, is directly powered AC load; B, commercial power charged circuit, control machine with integral type and be connected, and integral type controls machine and is connected with accumulator battery, controls Ji Jiang city by integral type and supplies electricity to battery charging; C, civil power direct current supply line, be connected with commutator, after civil power converts to unidirectional current, DC load is powered;
Accumulator battery, one end controls machine by integral type and connects with commercial power charged circuit, by civil power, accumulator battery is charged; One end is connected with inverter, electric energy supply AC load accumulator battery stored; The other end is connected with DC load, is directly powered to DC load by the electric energy that accumulator battery stores;
Photovoltaic system, one end is connected with inverter, the electric energy supply AC load produced by photovoltaic system; The other end is connected with DC load, the electric energy supply DC load produced by photovoltaic system;
Wherein, described integral type controls machine and controls the charge/discharge mode of accumulator battery according to electricity price, and when electricity price is low, integral type controls machine and accumulator battery is charged.
2. direct current according to claim 1, exchange integrated load electric power system, it is characterised in that: described mains supply line includes by-pass switch, by-pass switch switch on and off and control the switching on and off of mains supply line.
3. direct current according to claim 2, exchange integrated load electric power system, it is characterised in that: also including urban electric power switch, urban electric power switch is arranged in line bus, urban electric power switch disconnect after, all lines all disconnect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073653.9U CN205304264U (en) | 2015-12-17 | 2015-12-17 | Direct current, interchange integrated load power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521073653.9U CN205304264U (en) | 2015-12-17 | 2015-12-17 | Direct current, interchange integrated load power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205304264U true CN205304264U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521073653.9U Expired - Fee Related CN205304264U (en) | 2015-12-17 | 2015-12-17 | Direct current, interchange integrated load power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205304264U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017696A (en) * | 2017-03-30 | 2017-08-04 | 先控捷联电气股份有限公司 | Energy storage UPS electric power systems and control method |
| CN108233399A (en) * | 2016-12-12 | 2018-06-29 | 常州轻工职业技术学院 | A kind of domestic energy-saving electricity system and zonule electric power system |
| CN109428336A (en) * | 2017-08-25 | 2019-03-05 | 比亚迪股份有限公司 | Power supply unit and method |
| CN109995012A (en) * | 2019-03-13 | 2019-07-09 | 中国科学院电工研究所 | Direct-flow distribution system and its control method |
| CN111682544A (en) * | 2020-05-19 | 2020-09-18 | 华为技术有限公司 | Power supply device, power supply control system and power supply control method |
-
2015
- 2015-12-17 CN CN201521073653.9U patent/CN205304264U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233399A (en) * | 2016-12-12 | 2018-06-29 | 常州轻工职业技术学院 | A kind of domestic energy-saving electricity system and zonule electric power system |
| CN107017696A (en) * | 2017-03-30 | 2017-08-04 | 先控捷联电气股份有限公司 | Energy storage UPS electric power systems and control method |
| CN109428336A (en) * | 2017-08-25 | 2019-03-05 | 比亚迪股份有限公司 | Power supply unit and method |
| CN109995012A (en) * | 2019-03-13 | 2019-07-09 | 中国科学院电工研究所 | Direct-flow distribution system and its control method |
| CN109995012B (en) * | 2019-03-13 | 2021-07-20 | 中国科学院电工研究所 | Direct current power distribution system and control method thereof |
| CN111682544A (en) * | 2020-05-19 | 2020-09-18 | 华为技术有限公司 | Power supply device, power supply control system and power supply control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170418 Address after: Room 15, building No. 210032, high tech Development Zone, Jiangsu, Nanjing, China Patentee after: YORKOOL ENGINEERING (JIANGSU) CO., LTD. Address before: Room 4, building No. 16, standard office building, ecological science and Technology Park, No. 2018, Tian An Avenue, Binhai New Area, Tianjin, China, Patentee before: Luyuan Lin (Tianjin) Co., Ltd. energy saving technology |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20201217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |