CN202374048U - Intelligent high-voltage metering and protecting device - Google Patents
Intelligent high-voltage metering and protecting device Download PDFInfo
- Publication number
- CN202374048U CN202374048U CN2011205366942U CN201120536694U CN202374048U CN 202374048 U CN202374048 U CN 202374048U CN 2011205366942 U CN2011205366942 U CN 2011205366942U CN 201120536694 U CN201120536694 U CN 201120536694U CN 202374048 U CN202374048 U CN 202374048U
- Authority
- CN
- China
- Prior art keywords
- voltage
- control terminal
- load control
- metering
- primary cut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000001681 protective Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/14—Protecting elements, switches, relays or circuit breakers
Abstract
The utility model discloses an intelligent high-voltage metering and protecting device, which comprises a combined transformer, a high-voltage circuit breaker and a load control terminal, wherein the load control terminal is respectively connected with the combined transformer and the high-voltage circuit breaker, and the combined transformer is connected with the high-voltage circuit breaker. According to the intelligent high-voltage metering and protecting device, problems in the prior art can be solved, and functions such as reliable metering, zero-sequence voltage protection, remote switch-on/switch-off and high-voltage prepayment interruption can be well protected by adopting three metering elements, the high-voltage circuit breaker and the load control terminal.
Description
Technical field
The utility model relates to a kind of electric power adapted electricity metering device, particularly a kind of high-voltage intelligent metering, protective device.
Background technology
Novel electric power adapted electricity metering device to circuit, power consumption equipment protection and electric energy metrical and management reliable, accurately, intelligent requirements is increasingly high.Error in dipping manual metering in the metering, owe to pay tariff, the power load management, steal electricity etc. and seriously perplexing power supply department for many years.Existing 10kV high pressure user measures the two elements combination transformers that adopt more, promptly has two voltage transformer V/V joint group to synthesize the three-phase voltage measurement circuitry; Two current transformers are formed A, C current phasor measurement circuit.The adapted three-phase three-wire electric energy meter just can measure the 10kV electric energy, but when three-phase load imbalance or three-phase load variable quantity were big, above-mentioned this metering method will be brought bigger error in dipping.
The primary cut-out basic function of using at present can realize overcurrent protection, quick-break, the indication of state machinery, electronic divide-shut brake, can't realize but zero-sequence voltage protection, long-range divide-shut brake, high-voltage prepayment are cut-off function.
For better intelligent protection overcurrent, overvoltage, residual voltage boundary protection and remote meter reading, Long-distance Control, the electric function of antitheft of realizing, be badly in need of a kind of integration unit that can realize above-mentioned functions of development.
The utility model content
The purpose of the utility model provides a kind of high-voltage intelligent metering, protective device; The problems of the prior art have been solved; Adopt element metering, high-pressure vacuum breaker and load control terminal, guaranteed that better reliable metering reaches the realization to functions such as zero-sequence voltage protection, long-range divide-shut brake, high-voltage prepayment cut-off.
To achieve these goals, the utility model adopts following technical scheme:
A kind of high-voltage intelligent metering, protective device wherein, comprise combination transformer, primary cut-out and load control terminal; The load control terminal connects combination transformer and primary cut-out respectively, and combination transformer connects primary cut-out.
Further, said combination transformer adopts the element metering, by three voltage transformers and three current transformer combinations.
Further, said primary cut-out adopts high-pressure vacuum breaker.
Further, said load control terminal adopts electric energy metrical load control terminal.
The beneficial effect of the utility model is:
The combination transformer of the utility model adopts the element metering, thereby has better guaranteed the requirement of reliable metering.By three voltage transformers (Y/Y connects, and secondary is established open delta the residual voltage signal is provided) and three current transformer combinations, the outer epoxy resin vacuum of user is cast for one; One time winding connection adopts copper bar to draw insulated umbrella tower insulation system.It is box that the secondary winding wiring adopts armoured cable directly to insert table, has anti-stealing electricity function easy for installation.
The primary cut-out of the utility model adopts high-pressure vacuum breaker, cooperates realization with the load control terminal: manual, electronic, long-range divide-shut brake; Overcurrent protection, quick-break, residual voltage, zero-sequence current, inrush current prevention function; The pre-payment electric energy metering.
The load control terminal adopts electric energy metrical load control terminal, and realize through GPRS intelligence: line status detects; Long-range divide-shut brake; Residual voltage, zero-sequence current protection; The load analysis management; Anti-electricity-theft; Prepayment electric expense does not have and takes outage.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model.
Embodiment
Below through embodiment and combine accompanying drawing that the utility model is done further detailed description:
As shown in Figure 1, the utility model comprises combination transformer 1, primary cut-out 2 and load control terminal 3; Load control terminal 3 connects combination transformer 1 and primary cut-out 2 respectively, and combination transformer 1 connects primary cut-out 2, load control terminal 3 control combination instrument transformers 1 and primary cut-out 2 work.All connect between combination transformer 1, primary cut-out 2 and the load control terminal 3 through armoured cable.
Combination transformer 1 adopts the element metering, and by three voltage transformers and three current transformer combinations, three voltage transformer Y/Y connect, and secondary is established open delta the residual voltage signal is provided, and three current transformers are formed A, B, C current phasor measurement circuit.
Primary cut-out 2 adopts high-pressure vacuum breaker, matches with load control terminal 3.Load control terminal 3 adopts electric energy metrical load control terminal, through the GPRS Based Intelligent Control, realizes that line status detects; Long-range divide-shut brake; Residual voltage, zero-sequence current protection; The load analysis management; Anti-electricity-theft; Prepayment electric expense does not have and takes outage.
The technical parameter of the utility model is following:
Voltage transformer, voltage ratio: 10/ √, 3/0.1/ √, 3/0.1/3kV; The accuracy level is inferior: 0.2; Secondary load: 30VA/50VA; Insulation level: 12/42/75kV;
Current transformer, current ratio: 10 ~ 600/5A; The accuracy level is inferior: 0.2S; Secondary load: 15VA; Insulation level: 12/42/75kV;
Armoured cable, long 10m, 10 (wherein 4 2.5m ㎡, 6 4m ㎡);
Primary cut-out 2 adopts ZW32-12 type 10kV vacuum circuit-breaker, rated voltage: 10kV; Rated current: 160-1250A; Overcurrent protection current transformer ratio: 200-400-600-1600/5A; Voltage voltage: 220V, 300VA;
Load control terminal 3, rated voltage: 100V; Rated current: 5A (6A); Relay contact electric current 3A.
Above embodiment only is used to explain the preferred implementation of the utility model; But the utility model is not limited to above-mentioned execution mode; In the ken that said field those of ordinary skill is possessed; Any modification of being done within spirit of the utility model and the principle, be equal to and substitute and improvement etc., it all should be encompassed within the technical scheme scope that the utility model asks for protection.
Claims (4)
1. high-voltage intelligent metering, protective device is characterized in that: comprise combination transformer, primary cut-out and load control terminal; The load control terminal connects combination transformer and primary cut-out respectively, and combination transformer connects primary cut-out.
2. a kind of high-voltage intelligent metering according to claim 1, protective device, it is characterized in that: said combination transformer adopts the element metering, by three voltage transformers and three current transformer combinations.
3. a kind of high-voltage intelligent metering according to claim 1 and 2, protective device, it is characterized in that: said primary cut-out adopts high-pressure vacuum breaker.
4. a kind of high-voltage intelligent metering according to claim 3, protective device, it is characterized in that: said load control terminal adopts electric energy metrical load control terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205366942U CN202374048U (en) | 2011-12-20 | 2011-12-20 | Intelligent high-voltage metering and protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205366942U CN202374048U (en) | 2011-12-20 | 2011-12-20 | Intelligent high-voltage metering and protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202374048U true CN202374048U (en) | 2012-08-08 |
Family
ID=46597739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205366942U Expired - Lifetime CN202374048U (en) | 2011-12-20 | 2011-12-20 | Intelligent high-voltage metering and protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202374048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866531A (en) * | 2016-04-20 | 2016-08-17 | 中国地质大学（北京） | Multifunctional ammeter having reactive compensation and relay protection functions |
| CN106054116A (en) * | 2016-08-12 | 2016-10-26 | 国网冀北电力有限公司承德供电公司 | Intelligent-type high-voltage metering device |
-
2011
- 2011-12-20 CN CN2011205366942U patent/CN202374048U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866531A (en) * | 2016-04-20 | 2016-08-17 | 中国地质大学（北京） | Multifunctional ammeter having reactive compensation and relay protection functions |
| CN106054116A (en) * | 2016-08-12 | 2016-10-26 | 国网冀北电力有限公司承德供电公司 | Intelligent-type high-voltage metering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |