CN104518440A - 10 kV intelligent high-and-low-voltage prefabricated substation - Google Patents
10 kV intelligent high-and-low-voltage prefabricated substation Download PDFInfo
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- CN104518440A CN104518440A CN201410812608.4A CN201410812608A CN104518440A CN 104518440 A CN104518440 A CN 104518440A CN 201410812608 A CN201410812608 A CN 201410812608A CN 104518440 A CN104518440 A CN 104518440A
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Abstract
The invention provides a 10 kV intelligent high-and-low-voltage prefabricated substation which comprises a high-voltage chamber, an automatic chamber, a transformer chamber, a low-voltage chamber, a communication chamber, a concentrator chamber and a housing, wherein a high-voltage cabinet is arranged in the high-voltage chamber and adopts a full-sealed gas insulating 10 kV ring main unit; an electric operating mechanism and a breaking-closing position signal auxiliary contact are respectively mounted on charge switches for ring in and ring out of the ring main unit; a fault indicator with a signal contact output and a current transformer are arranged on the 10 kV line side of the ring main unit; the fault indicator is provided with an auxiliary fault signal output contact; position signals of the charge switches, a fault signal of the fault indicator and a current signal of the current transformer are output to an automatic device. The substation can learn about a real-time operation condition of a box transformer substation so as to judge the existence of a fault point as early as possible and enable a fault box transformer substation to stop operation within the shortest time, so that spreading of the fault point and other safety accidents can be effectively prevented.
Description
Technical field
The present invention relates to the intelligent Prefabricated high-low voltage transformer substation of a kind of 10kV.
Background technology
Existing plain edition Prefabricated high-low voltage transformer substation, become hereinafter referred to as case, when powering for community looped network type, if cannot judge in time when a certain case in looped network becomes outlet fault, when needing community electricity consumption resident to find that in family, repair call has been beaten in power failure, electric company could remove trouble-shooting point to scene, fix a breakdown a little, early stage differentiation cannot be accomplished and get rid of, considerably increase time and the cost of maintenance, main cause is that the service data uprising low-pressure side due to case cannot be uploaded, caused by cause finding in advance and getting rid of.
Summary of the invention
The intelligent Prefabricated high-low voltage transformer substation of a kind of 10kV of the present invention, by increasing the auxiliary contact of electrically operated institution and position instruction at high-pressure side SF6 ring main unit, and increase open type 10kV current transformer and fault detector in high-tension cable side, and set up independent automation cell, distributing automation apparatus, uninterrupted power supply are installed in automation cell, communication box and concentrator case is respectively provided with in case step-down pressure chamber both sides, meet remote control, remote signalling and remote measurement requirement, thus reach the requirement of distribution automation.
Technical solution of the present invention is:
The intelligent Prefabricated high-low voltage transformer substation of a kind of 10kV, comprise hyperbaric chamber, automation room, transformer room, low-pressure chamber, communication room, concentrator room and shell, transformer is provided with in transformer room, high-voltage board is provided with in hyperbaric chamber, high-voltage board adopts hermetically sealed gas-insulated 10kV ring main unit, the ring of ring main unit enters, ring goes out to be separately installed with on-load switch, on-load switch is all provided with motor-operating mechanism and divide-shut brake position signalling auxiliary contact, the operating power of motor-operating mechanism takes from uninterrupted power supply, the fault detector that the 10kV line side configure band signal contact of ring main unit exports and 10kV current transformer and/or 10kV voltage transformer, fault detector has the auxiliary contact that fault-signal exports, on-load switch position signalling, the current signal of the fault-signal summation current transformer of fault detector exports automation equipment to, automation equipment adopts the distributed distribution automation terminal of CSG-DFA01, on-load switch is by the high-pressure side of high-tension fuse connection transformer, and the two ends of high-tension fuse are connected to earthed switch, and the low-pressure side of transformer connects low-voltage circuit breaker by 0.4kV bus, 0.4kV current transformer, automation indoor are provided with centralized FA device or distributed FA device, and FA device judges fault by fault detector or current transformer, be provided with network data transmission equipment in communication room, concentrator indoor are provided with user power utilization information acquisition system concentrator apparatus.
Further, the on-load switch of high-voltage ring main unit and the position state signal of earthed switch, fuse position state signal, the current and voltage signals of high-pressure side and low-pressure side imports background monitoring equipment into by network data transmission equipment in real time, high-voltage ring main unit on-load switch, the position state signal of earthed switch is obtained by position conversion auxiliary contact, fuse failure status signal is obtained by travel switch position signalling, high voltage side current voltage signal obtains respectively by 10kV openable current transformer and 10kV voltage transformer, low-pressure side current signal is obtained by 0.4kV current transformer, voltage signal is directed to 0.4kV bus.
Further, shell adopts aluminum alloy casing, and hyperbaric chamber, transformer room, low-pressure chamber adopt the arrangement of order font, and the both sides of low-pressure chamber are respectively equipped with communication room, concentrator room.
The invention has the beneficial effects as follows: this kind of intelligent Prefabricated high-low voltage transformer substation of 10kV, without the need to operating personnel to on-the-spot, only just need can complete putting into operation and excising of any case change of looped network in consistency operation; Case is become the position state signal of high-voltage ring main unit on-load switch and earthed switch, fuse position state signal, high and low pressure side current and voltage signals imports background monitoring equipment into by optical fiber in real time, the operation conditions that case becomes can be understood in real time, the existence of Judging fault point as early as possible, with the shortest time, fault case is become out of service, effectively prevent the generation with some other security incident that spreads of fault point.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation of automation corollary equipment in embodiment;
Fig. 3 is that in embodiment, the ring of ring main unit enters, ring goes out connection diagram with on-load switch and transformer;
Wherein: 1-hyperbaric chamber, 2-automation room, 3-transformer room, 4-low-pressure chamber, 5-communication room, 6-concentrator room, 7-uninterrupted power supply, 8-transformer, 9-automation equipment, 10-shell, 11-on-load switch, 12-10kV current transformer, 13-high-tension fuse, 14-0.4 kV current transformer, 15-low-voltage circuit breaker, 16-earthed switch.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Embodiment
The intelligent Prefabricated high-low voltage transformer substation of a kind of 10kV, as Fig. 1, comprise hyperbaric chamber 1, automation room 2, transformer room 3, low-pressure chamber 4, communication room 5, concentrator room 6 and shell 10, transformer 8 is provided with in transformer room 3, high-voltage board is provided with in hyperbaric chamber 1, high-voltage board adopts hermetically sealed gas-insulated 10kV ring main unit, the ring of ring main unit enters, ring goes out to be separately installed with on-load switch 11, on-load switch 11 is all provided with motor-operating mechanism and divide-shut brake position signalling auxiliary contact, the operating power of motor-operating mechanism takes from uninterrupted power supply 7, the fault detector that the 10kV line side configure band signal contact of ring main unit exports and 10kV current transformer 12 and/or 10kV voltage transformer, fault detector has the auxiliary contact that fault-signal exports, on-load switch 11 position signalling, the current signal of the fault-signal summation current transformer of fault detector exports automation equipment 9 to, as Fig. 2, automation equipment 9 adopts the distributed distribution automation terminal of CSG-DFA01, on-load switch 11 is by the high-pressure side of high-tension fuse 13 connection transformer 8, and the two ends of high-tension fuse 13 are connected to earthed switch 16, and the low-pressure side of transformer 8 connects low-voltage circuit breaker 15 by 0.4kV bus, 0.4kV current transformer 14.
The on-load switch 11 of high-voltage ring main unit and the position state signal of earthed switch 16, fuse position state signal, the current and voltage signals of high-pressure side and low-pressure side imports background monitoring equipment into by network data transmission equipment in real time, high-voltage ring main unit on-load switch 11, the position state signal of earthed switch 16 is obtained by position conversion auxiliary contact, fuse failure status signal is obtained by travel switch position signalling, high voltage side current voltage signal obtains respectively by 10kV openable current transformer and 10kV voltage transformer, low-pressure side current signal is obtained by 0.4kV current transformer 14, voltage signal is directed to 0.4kV bus.
Be provided with centralized FA device or distributed FA device in automation room 2, FA device and error analysis device, FA device becomes judgement fault by fault detector or stream; Be provided with transformer 8 in transformer room 3, in communication room 5, be provided with network data transmission equipment, in concentrator room 6, be provided with user power utilization information acquisition system concentrator apparatus.
By increasing the auxiliary contact of motor-operating mechanism and position instruction at high-pressure side SF6 ring main unit, as Fig. 3, and increase open type high-tension current inductor and fault detector in high-tension cable side, and set up independent automation room 2, distributing automation apparatus 9, uninterrupted power supply 7 are installed in automation room 2, respectively be provided with communication box and concentrator case in case step-down pressure chamber 4 both sides, meet remote control, remote signalling and remote measurement requirement, thus reach the requirement of distribution automation.
High-voltage board adopts hermetically sealed gas-insulated 10kV ring main unit, ring main unit ring enters, motor-operating mechanism installed by the on-load switch 11 that ring goes out, on-load switch 11 carries out a point closing operation by the divide-shut brake button on panel to on-load switch 11 when state on the spot, on-load switch 11 in the distance state time then send divide-shut brake signal by automation equipment 9 a point closing operation carried out to on-load switch 11, the operating power of motor-operating mechanism takes from the alternating current 220V power supply of uninterrupted power supply 7, possesses remote operation function, there are the auxiliary contact of position instruction, comprise four pairs of idle contacts, wherein two often open, two is normally closed, to meet the needs of power distribution automation.
The fault detector of the 10kV line side configuration contact output of ring main unit, fault detector possesses overcurrent and zero stream deixis, and action connection point exports automation equipment 9 to.
A set of centralized FA device or distributed FA device are equipped with in automation room 2, FA device and error analysis device, become judge fault by fault detector or stream.
The equipment such as communication indoor location optical network unit ONU, fibre distribution frame ODF, optical splitter, for the network data transmission based on EPON technology, working power is alternating current 220V, from UPS by powering after protective circuit breaker.
Install user power utilization information acquisition system concentrator apparatus in concentrator room 6, working power is three-phase alternating current 380V, from low-voltage bus bar by powering after protective circuit breaker.
In automation room 2, uninterrupted power supply 7 is also housed, uninterrupted power supply 7 comprises UPS device and battery pack, by low-voltage bus bar power taking, and provide uninterrupted power supply 7 to equipment such as distributing automation apparatus 9, motor drive mechanism, ONU, UPS capacity is 3kVA, for the use of the standby operation power supply when a main equipment has a power failure.
Independently automation room 2 is set, makes the function distinguishing of each unit more clear, and more convenient when making in automation equipment maintenance or change, safer to operating personnel.This transformer station be applicable to the supporting 10kV in residential quarters intellectuality power supply newly-built, enlarging and reconstruction.
Claims (3)
1. the intelligent Prefabricated high-low voltage transformer substation of 10kV, it is characterized in that: comprise hyperbaric chamber, automation room, transformer room, low-pressure chamber, communication room, concentrator room and shell, transformer is provided with in transformer room, high-voltage board is provided with in hyperbaric chamber, high-voltage board adopts hermetically sealed gas-insulated 10kV ring main unit, the ring of ring main unit enters, ring goes out to be separately installed with on-load switch, on-load switch is all provided with motor-operating mechanism and divide-shut brake position signalling auxiliary contact, the operating power of motor-operating mechanism takes from uninterrupted power supply, the fault detector that the 10kV line side configure band signal contact of ring main unit exports and 10kV current transformer and/or 10kV voltage transformer, fault detector has the auxiliary contact that fault-signal exports, on-load switch position signalling, the current signal of the fault-signal summation current transformer of fault detector exports automation equipment to, automation equipment adopts the distributed distribution automation terminal of CSG-DFA01, on-load switch is by the high-pressure side of high-tension fuse connection transformer, and the two ends of high-tension fuse are connected to earthed switch, and the low-pressure side of transformer connects low-voltage circuit breaker by 0.4kV bus, 0.4kV current transformer, automation indoor are provided with centralized FA device or distributed FA device, and FA device judges fault by fault detector or current transformer, be provided with network data transmission equipment in communication room, concentrator indoor are provided with user power utilization information acquisition system concentrator apparatus.
2. the intelligent Prefabricated high-low voltage transformer substation of 10kV as claimed in claim 1, it is characterized in that: the on-load switch of high-voltage ring main unit and the position state signal of earthed switch, fuse position state signal, the current and voltage signals of high-pressure side and low-pressure side imports background monitoring equipment into by network data transmission equipment in real time, high-voltage ring main unit on-load switch, the position state signal of earthed switch is obtained by position conversion auxiliary contact, fuse failure status signal is obtained by travel switch position signalling, high voltage side current voltage signal obtains respectively by 10kV openable current transformer and 10kV voltage transformer, low-pressure side current signal is obtained by 0.4kV current transformer, voltage signal is directed to 0.4kV bus.
3. the intelligent Prefabricated high-low voltage transformer substation of 10kV as claimed in claim 1 or 2, is characterized in that: shell adopts aluminum alloy casing, and hyperbaric chamber, transformer room, low-pressure chamber adopt the arrangement of order font, and the both sides of low-pressure chamber are respectively equipped with communication room, concentrator room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812608.4A CN104518440B (en) | 2014-12-24 | 2014-12-24 | The intelligent Prefabricated high-low voltage transformer substations of 10kV |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812608.4A CN104518440B (en) | 2014-12-24 | 2014-12-24 | The intelligent Prefabricated high-low voltage transformer substations of 10kV |
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| Publication Number | Publication Date |
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| CN104518440A true CN104518440A (en) | 2015-04-15 |
| CN104518440B CN104518440B (en) | 2017-06-23 |
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| CN201410812608.4A Active CN104518440B (en) | 2014-12-24 | 2014-12-24 | The intelligent Prefabricated high-low voltage transformer substations of 10kV |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326981A (en) * | 2018-12-03 | 2019-02-12 | 江苏其厚智能电气设备有限公司 | A kind of miniaturized intelligent preassembled transformer station |
Citations (6)
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| CN2503649Y (en) * | 2001-09-20 | 2002-07-31 | 北京广联惠供用电工程设计有限公司 | Prefabricated underground box type converting station |
| JP2009177947A (en) * | 2008-01-24 | 2009-08-06 | Chugoku Electric Power Co Inc:The | Emergency connection circuit and connection device used for the same |
| CN203135287U (en) * | 2012-12-21 | 2013-08-14 | 福建森达电气有限公司 | Intelligent box-type substation |
| CN203278057U (en) * | 2013-05-15 | 2013-11-06 | 湖北省电力装备有限公司 | Intelligent prefabricated transformer substation |
| CN103401170A (en) * | 2013-08-12 | 2013-11-20 | 四川大尔电气有限责任公司 | Box type transformer station |
| CN204258115U (en) * | 2014-12-24 | 2015-04-08 | 吴江变压器有限公司 | The intelligent Prefabricated high-low voltage transformer substation of 10kV |
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2014
- 2014-12-24 CN CN201410812608.4A patent/CN104518440B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503649Y (en) * | 2001-09-20 | 2002-07-31 | 北京广联惠供用电工程设计有限公司 | Prefabricated underground box type converting station |
| JP2009177947A (en) * | 2008-01-24 | 2009-08-06 | Chugoku Electric Power Co Inc:The | Emergency connection circuit and connection device used for the same |
| CN203135287U (en) * | 2012-12-21 | 2013-08-14 | 福建森达电气有限公司 | Intelligent box-type substation |
| CN203278057U (en) * | 2013-05-15 | 2013-11-06 | 湖北省电力装备有限公司 | Intelligent prefabricated transformer substation |
| CN103401170A (en) * | 2013-08-12 | 2013-11-20 | 四川大尔电气有限责任公司 | Box type transformer station |
| CN204258115U (en) * | 2014-12-24 | 2015-04-08 | 吴江变压器有限公司 | The intelligent Prefabricated high-low voltage transformer substation of 10kV |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326981A (en) * | 2018-12-03 | 2019-02-12 | 江苏其厚智能电气设备有限公司 | A kind of miniaturized intelligent preassembled transformer station |
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| CN104518440B (en) | 2017-06-23 |
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