CN202363969U - Novel complete equipment for automatically switching backup power supply - Google Patents
Novel complete equipment for automatically switching backup power supply Download PDFInfo
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- CN202363969U CN202363969U CN2011205277703U CN201120527770U CN202363969U CN 202363969 U CN202363969 U CN 202363969U CN 2011205277703 U CN2011205277703 U CN 2011205277703U CN 201120527770 U CN201120527770 U CN 201120527770U CN 202363969 U CN202363969 U CN 202363969U
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- 238000004804 winding Methods 0.000 claims description 34
- 230000007613 environmental effect Effects 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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Abstract
The utility model discloses novel complete equipment for automatically switching a backup power supply, relating to an electric power system and the technical fields of automation of the electric power system. The novel complete equipment comprises an intelligently automatic switching controller for the backup power supply, two vacuum circuit breakers, two single-phase voltage transformers, two single-phase current transformers, a three-phase voltage transformer and an alternating current contactor, wherein the two vacuum circuit breakers are respectively connected with wire inlet loops of a 1# power supply and a 2# power supply; wire inlet ends of the two vacuum circuit breakers are respectively connected with a 1# inlet wire and a 2# inlet wire, and two wire outlet ends of the two vacuum circuit breakers are connected to a high-voltage bus. According to the novel complete equipment disclosed by the utility model, the requirements of reliably supplying electricity to an important user uninterruptedly can be met, and the novel complete equipment is simple in structure, low in cost, high in reliability and convenient to install and maintain.
Description
Technical field
The utility model relates to the Power System and its Automation technical field, exactly relates to a kind of automatic closing the complete sets of equipment that are applicable in 6～35kV distribution network systems.
Background technology
In distribution network systems,,, adopt the dual power supply mode usually in order to improve the reliability of power supply for responsible consumer.The automatic closing controller is a control device of realizing that duplicate supply switches.The working power of spare national power switchover controller is a DC power supply at present, in distribution network systems, normally adopts the mode of " UPS+ rectifying device " to give the power supply of automatic closing controller.In addition, the operating power of vacuum circuit-breaker also needs UPS to provide.UPS need regularly safeguard and change battery, has increased the workload of equipment cost and operation maintenance on the one hand, has reduced the reliability of equipment on the other hand.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of novel automatic closing the complete sets of equipment, the utility model can satisfy the requirement of the reliable uninterrupted power supply of responsible consumer, and simple in structure, and is with low cost, and reliability is high, and is convenient for installation and maintenance.
The utility model is realized through adopting following technical proposals:
A kind of novel automatic closing the complete sets of equipment; Comprise an intelligent standby power switchover controller; Two vacuum circuit-breakers, two single-phase potential transformers, two monophase current instrument transformers, a threephase potential transformer and an A.C. contactor; It is characterized in that: said two vacuum circuit-breakers are connected to the inlet wire loop of 1# power supply and 2# power supply respectively; The end of incoming cables of two vacuum circuit-breakers connects 1# inlet wire and 2# inlet wire respectively, and two leading-out terminals of two vacuum circuit-breakers all are connected to high voltage bus; Two monophase current instrument transformers are serially connected in the end of incoming cables of two vacuum circuit-breakers respectively; Two single-phase potential transformer high-pressure sides are got two phase voltages of 1# inlet wire and 2# inlet wire respectively; The voltage transformer low-pressure side has two secondary winding, is respectively winding one and winding two; The winding two of Current Transformer Secondary side winding and voltage transformer secondary side is connected to intelligent standby power switchover controller through cable respectively and gathers port; The winding one of voltage transformer secondary side is connected to an end of the corresponding contact of A.C. contactor respectively through cable; The other end of the corresponding contact of A.C. contactor is connected to low pressure 220V bus through cable; Threephase potential transformer is connected to high voltage bus, and the winding of the secondary side of threephase potential transformer is connected to intelligent standby power switchover controller through cable and gathers port; The control end of two vacuum circuit-breakers is connected to intelligent standby power switchover controller switches amount output port through cable respectively.
In the said secondary winding, winding one rated output voltage is an alternating current 220V, and capacity is 1kVA, and winding two rated output voltages are for exchanging 100V, and capacity is 50VA.
Also include an environmental protection glass shell, described intelligent standby power switchover controller, vacuum circuit-breaker, single-phase potential transformer, monophase current instrument transformer, threephase potential transformer and A.C. contactor are all integrated to be installed in the said environmental protection glass shell.
Compared with prior art, the beneficial effect of the utility model shows:
1, " two vacuum circuit-breakers are connected to the inlet wire loop of 1# power supply and 2# power supply respectively, and the end of incoming cables of two vacuum circuit-breakers connects 1# inlet wire and 2# inlet wire respectively, and two leading-out terminals of two vacuum circuit-breakers all are connected to high voltage bus in the utility model employing; Two monophase current instrument transformers are serially connected in the end of incoming cables of two vacuum circuit-breakers respectively; Two single-phase potential transformer high-pressure sides are got two phase voltages of 1# inlet wire and 2# inlet wire respectively; The voltage transformer low-pressure side has two secondary winding, is respectively winding one and winding two; The winding two of Current Transformer Secondary side winding and voltage transformer secondary side is connected to intelligent standby power switchover controller through cable respectively and gathers port; The winding one of voltage transformer secondary side is connected to an end of the corresponding contact of A.C. contactor respectively through cable; The other end of the corresponding contact of A.C. contactor is connected to low pressure 220V bus through cable; Threephase potential transformer is connected to high voltage bus, and the winding of the secondary side of threephase potential transformer is connected to intelligent standby power switchover controller through cable and gathers port; The control end of two vacuum circuit-breakers is connected to intelligent standby power switchover controller switches amount output port through cable respectively " version; can save UPS and rectifying device; satisfied the requirement of the reliable uninterrupted power supply of responsible consumer, and simple in structure, with low cost; reliability is high, and is convenient for installation and maintenance.
2, these the complete sets of equipment adopt integrated mounting means, promptly all are installed in whole the complete sets of equipment in the environmental protection glass shell, and compact in design is reasonable, take up an area of little, good looking appearance, convenient for installation and maintenance.
Description of drawings
To combine Figure of description and embodiment that the utility model is done further to specify below, wherein:
Fig. 1 is the structure principle chart of the utility model
Fig. 2 is backup auto-activating device power supply switching principle figure
Mark among the figure:
DL, vacuum circuit-breaker, TV, voltage transformer, TA, monophase current instrument transformer, KM, A.C. contactor; 7,1# inlet wire, 8, the 2# inlet wire, 9, high voltage bus, 10, bus PT; 11, load 1,12, load 2,1L, inlet wire 1PT secondary, 2L, inlet wire 2PT secondary; L, low pressure 220V bus, K, the idle contact that the power switchover controller is inner.
Embodiment
With reference to Figure of description 1 and 2; The utility model discloses a kind of novel automatic closing the complete sets of equipment; Comprise an intelligent standby power switchover controller; Two vacuum circuit-breakers, two single-phase potential transformers, two monophase current instrument transformers, a threephase potential transformer and an A.C. contactor
These the complete sets of equipment are connected to the inlet wire loop of 1# power supply and 2# power supply to two vacuum circuit-breakers respectively, and the end of incoming cables of two vacuum circuit-breakers connects 1# inlet wire and 2# inlet wire respectively, and two leading-out terminals all are connected to high voltage bus; Two monophase current instrument transformers are serially connected in the end of incoming cables of two vacuum circuit-breakers respectively; Two single-phase potential transformer high-pressure sides are got two phase voltages of 1# inlet wire and 2# inlet wire respectively; The voltage transformer low-pressure side has two secondary winding, and winding one rated output voltage is an alternating current 220V, and capacity is 1kVA, and winding two rated output voltages are for exchanging 100V, and capacity is 50VA; The winding two of Current Transformer Secondary side winding and voltage transformer secondary side is connected to intelligent standby power switchover controller through cable respectively and gathers port accordingly; The winding one of voltage transformer secondary side is connected to an end of the corresponding contact of A.C. contactor respectively through cable; The other end of the corresponding contact of A.C. contactor is connected to low pressure 220V bus through cable; Threephase potential transformer is connected to high voltage bus, and the winding of its secondary side is connected to intelligent standby power switchover controller through cable and gathers port accordingly; The control end of two vacuum circuit-breakers is connected to the corresponding switching value output port of intelligent standby power switchover controller through cable respectively.Package unit is simple in structure, need not UPS and rectifying device, and reliability is high.
Intelligent standby power switchover controller adopts modular construction, mainly is made up of power panel, mainboard, collection plate, display panel, exit plate.The power supply of power panel is an alternating current 220V.Mainboard is the DSP+ARM dual-cpu structure, and DSP is responsible for collection, data processing and vacuum circuit-breaker, A.C. contactor control, and ARM is responsible for information stores, demonstration, communication and human-computer interaction function.Sampling circuit through voltage-current sensor, amplifier chip are formed is sampled to voltage, electric current, carries out the A/D conversion by a slice MAX7606 chip, and DSP carries out the calculating of voltage, electric current simultaneously.When the electric power incoming line failover that is in power supply had a power failure, intelligent standby power switchover controller exit plate was sent control signal, and the control vacuum circuit-breaker divides immediately, closes, and switches to stand-by power supply to load quickly and accurately and supplies power.In addition; The miscellaneous function of controller is to make logic determines through the operating state of two-way electric power incoming line; Control the A.C. contactor action with this; Guarantee no matter be that low pressure 220V bus is all charged all the time under power supply of 1# inlet wire or the 2# inlet wire supply power mode, thereby the operating power of guaranteeing device power supply and vacuum switch is reliable and stable.
Claims (3)
1. novel automatic closing the complete sets of equipment; Comprise an intelligent standby power switchover controller; Two vacuum circuit-breakers, two single-phase potential transformers, two monophase current instrument transformers, a threephase potential transformer and an A.C. contactor; It is characterized in that: said two vacuum circuit-breakers are connected to the inlet wire loop of 1# power supply and 2# power supply respectively; The end of incoming cables of two vacuum circuit-breakers connects 1# inlet wire and 2# inlet wire respectively, and two leading-out terminals of two vacuum circuit-breakers all are connected to high voltage bus; Two monophase current instrument transformers are serially connected in the end of incoming cables of two vacuum circuit-breakers respectively; Two single-phase potential transformer high-pressure sides are got two phase voltages of 1# inlet wire and 2# inlet wire respectively; The voltage transformer low-pressure side has two secondary winding, is respectively winding one and winding two; The winding two of Current Transformer Secondary side winding and voltage transformer secondary side is connected to intelligent standby power switchover controller through cable respectively and gathers port; The winding one of voltage transformer secondary side is connected to an end of the corresponding contact of A.C. contactor respectively through cable; The other end of the corresponding contact of A.C. contactor is connected to low pressure 220V bus through cable; Threephase potential transformer is connected to high voltage bus, and the winding of the secondary side of threephase potential transformer is connected to intelligent standby power switchover controller through cable and gathers port; The control end of two vacuum circuit-breakers is connected to intelligent standby power switchover controller switches amount output port through cable respectively.
2. novel automatic closing the complete sets of equipment according to claim 1 is characterized in that: in the said secondary winding, winding one rated output voltage is an alternating current 220V, and capacity is 1kVA, and winding two rated output voltages are for exchanging 100V, and capacity is 50VA.
3. novel automatic closing the complete sets of equipment according to claim 1; It is characterized in that: also include an environmental protection glass shell, described intelligent standby power switchover controller, vacuum circuit-breaker, single-phase potential transformer, monophase current instrument transformer, threephase potential transformer and A.C. contactor are all integrated to be installed in the said environmental protection glass shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205277703U CN202363969U (en) | 2011-12-16 | 2011-12-16 | Novel complete equipment for automatically switching backup power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205277703U CN202363969U (en) | 2011-12-16 | 2011-12-16 | Novel complete equipment for automatically switching backup power supply |
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| Publication Number | Publication Date |
|---|---|
| CN202363969U true CN202363969U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205277703U Expired - Fee Related CN202363969U (en) | 2011-12-16 | 2011-12-16 | Novel complete equipment for automatically switching backup power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202363969U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092281A (en) * | 2014-06-25 | 2014-10-08 | 许昌许继晶锐科技有限公司 | Alternating-current dual-power switching method |
| CN108535522A (en) * | 2018-06-19 | 2018-09-14 | 国网安徽省电力有限公司滁州供电公司 | A kind of solution specially becomes client and does not power the devices of low pressure ammeter acquisition problems |
| CN112086868A (en) * | 2020-07-23 | 2020-12-15 | 广西电网有限责任公司电力科学研究院 | Outdoor switch box automated complete equipment control circuit |
-
2011
- 2011-12-16 CN CN2011205277703U patent/CN202363969U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092281A (en) * | 2014-06-25 | 2014-10-08 | 许昌许继晶锐科技有限公司 | Alternating-current dual-power switching method |
| CN104092281B (en) * | 2014-06-25 | 2018-07-17 | 许昌许继晶锐科技有限公司 | A kind of exchange dual power supply switching method |
| CN108535522A (en) * | 2018-06-19 | 2018-09-14 | 国网安徽省电力有限公司滁州供电公司 | A kind of solution specially becomes client and does not power the devices of low pressure ammeter acquisition problems |
| CN112086868A (en) * | 2020-07-23 | 2020-12-15 | 广西电网有限责任公司电力科学研究院 | Outdoor switch box automated complete equipment control circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20201216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |