CN207339427U - A kind of ultra-high-tension power transmission line takes electric power supply unit - Google Patents
A kind of ultra-high-tension power transmission line takes electric power supply unit Download PDFInfo
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- CN207339427U CN207339427U CN201721328732.9U CN201721328732U CN207339427U CN 207339427 U CN207339427 U CN 207339427U CN 201721328732 U CN201721328732 U CN 201721328732U CN 207339427 U CN207339427 U CN 207339427U
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- accumulation
- storage battery
- energy storage
- rectifier bridge
- high pressure
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Abstract
A kind of ultra-high-tension power transmission line takes electric power supply unit, including high pressure electricity-getting mutual inductor, rectifier bridge, wave filter, relay switch and DC/DC converters, further includes accumulation of energy storage battery, and the high pressure electricity-getting mutual inductor is made of the induction coil on iron core and winding iron core；The rectifier bridge is composed in parallel by diode D11, D12 and D13, D14；The wave filter includes capacitance C and reactance L1；The relay switch includes switch S and comparator；High pressure electricity-getting mutual inductor is connected with rectifier bridge, rectifier bridge is connected with wave filter, wave filter is connected with accumulation of energy storage battery, accumulation of energy storage battery connects after being depressured by DC/DC converters with load, accumulation of energy storage battery is also connected in parallel to relay switch, and the other end of relay switch is connected with high pressure electricity-getting mutual inductor.The device utilizes batteries to store energy, and energy storage capacity is larger, output voltage stabilization, reliable in quality, while the device is powered using storage battery, shorter to high-tension line influence time and low in energy consumption, caloric value is small.
Description
Technical field
It the utility model is related to high pressure power taking technology field, and in particular to a kind of ultra-high-tension power transmission line takes electric power supply unit.
Background technology
Monitoring system is an emphasis of whole intelligent grid, accounting more than 40%.At present, monitored on-line in transmission line of electricity
The power supply of middle equipment is always a more stubborn problem, and electricity is taken using photovoltaic under regular situation, but this takes electricity
Mode is highly prone to the influence of external environment condition, particularly can all substantially reduce above-mentioned power supply in winter, prolonged cloudy day snowy day
Take electric energy power, produce larger manpower and maintenance cost, therefore it is that the current on-line monitoring that solves supplies to take from power line electricity in itself
One main thought of electric equipment.
It is to utilize electromagnetic induction principle that CT, which takes electric (induction energy fetching power supply) mode, by taking energy coil from high voltage bus or line
Alternating voltage is sensed on road, is then high-pressure side power electronics after over commutation, filtering, voltage stabilizing, high-voltage side bus electric current
Differ greatly, can change at several amperes between kilo-ampere under different operating statuses.Design widely applicable, superior performance
Power supply, it is necessary to solve the problems, such as be：1st, it can ensure that power supply is reliably supplied when bus current very little is bordering on zero load；2nd, in short circuit etc.
Being capable of reliably protecting power supply under overcurrent caused by reason and dash current；3rd, can be provided in the range of conducting wire normal current steady
Fixed output, short supply interruption continued power and can meet moment high-power power supply；4 prolonged low grade fevers consumption, stable operation.
Utility model content
The utility model to solve the above-mentioned problems, devises a kind of ultra-high-tension power transmission line and takes electric power supply unit, the device
Using batteries to store energy, energy storage capacity is larger, charging completely after can guarantee that distribution power automation terminal equipment in time high-tension line by
During damage can also long-time steady operation, and output voltage stabilization, reliable in quality, while the device is supplied using storage battery
Electricity, it is shorter to high-tension line influence time and low in energy consumption, caloric value is small.
In order to realize above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is real by the following technical programs
Existing：
A kind of ultra-high-tension power transmission line takes electric power supply unit, including high pressure electricity-getting mutual inductor, rectifier bridge, wave filter, relay
Switch and DC/DC converters, further include accumulation of energy storage battery, the high pressure electricity-getting mutual inductor be current transformer, its by iron core with
Wind the induction coil composition on iron core；The rectifier bridge is composed in parallel by diode D11, D12 and D13, D14；The filtering
Device includes capacitance C and reactance L1；The relay switch includes switch S and comparator；High pressure electricity-getting mutual inductor and rectification bridging
Connect, rectifier bridge is connected with wave filter, and wave filter is connected with accumulation of energy storage battery, after accumulation of energy storage battery is depressured by DC/DC converters
Connected with load, accumulation of energy storage battery is also connected in parallel to relay switch, and the other end and the high pressure of relay switch take electric mutual inductance
Device connects.
Further, the high pressure electricity-getting mutual inductor is connected with rectifier bridge, rectifier bridge connect with reactance L1 after with capacitance C simultaneously
Join, the rectifier bridge after shunt capacitance C is connected with accumulation of energy storage battery, and wave filter in accumulation of energy storage battery series circuit with being equipped with diode
D1, accumulation of energy storage battery is in parallel with relay switch while series connection with DC/DC converters, and the cathode termination of accumulation of energy storage battery compares
Device, comparator meet switch S, and switch S is parallel between high pressure electricity-getting mutual inductor and the circuit of rectifier bridge.
Further, the switch S is electromagnetic switch, and DC/DC converters use PI-05V-B4 type super wide voltages DC/DC
Converter.
The beneficial effects of the utility model are：The device utilizes batteries to store energy, and energy storage capacity is larger, can be protected after charging completely
Demonstrate,prove distribution power automation terminal equipment in time when high-tension line is damaged can also long-time steady operation, and output voltage stabilization,
Reliable in quality, while the device is powered using storage battery, shorter to high-tension line influence time and low in energy consumption, caloric value
It is small.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structure composition schematic diagram that ultra-high-tension power transmission line takes electric power supply unit；
Fig. 2 is the electrical block diagram that ultra-high-tension power transmission line takes electric power supply unit.
In attached drawing, parts list represented by the reference numerals is as follows：
1- high pressure electricity-getting mutual inductors, 2- rectifier bridges, 3- wave filters, 31- reactance L1,32- capacitance C, 4- accumulation of energy storage battery, 5-
DC/DC converters, 6- relay switches, 61- switch S, 62- comparators, 7- loads.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Refering to shown in Fig. 1-2, a kind of ultra-high-tension power transmission line takes electric power supply unit, including high pressure electricity-getting mutual inductor (1), rectification
Bridge (2), wave filter (3), relay switch (6) and DC/DC converters (5), further include accumulation of energy storage battery (4), and the high pressure takes
Electric mutual inductor (1) is current transformer, it is made of the induction coil on iron core and winding iron core；The rectifier bridge (2) is by two
Pole pipe D11, D12 and D13, D14 are composed in parallel；The wave filter (3) includes capacitance C (32) and reactance L1 (31)；The relay
Device switch (6) includes switch S (61) and comparator (62)；High pressure electricity-getting mutual inductor (1) is connected with rectifier bridge (2), rectifier bridge (2)
It is connected with wave filter (3), wave filter (3) is connected with accumulation of energy storage battery (4), and accumulation of energy storage battery (4) passes through DC/DC converters (5)
Be connected after decompression with load (7), accumulation of energy storage battery (4) is also connected in parallel to relay switch (6), relay switch (6) it is another
One end is connected with high pressure electricity-getting mutual inductor (1).
Therein, the high pressure electricity-getting mutual inductor (1) is connected with rectifier bridge (2), and rectifier bridge (2) is connected with reactance L1 (31)
In parallel with capacitance C (32) afterwards, the rectifier bridge (2) after shunt capacitance C (32) is connected with accumulation of energy storage battery (4), and wave filter (3) is with storing
Diode D1 is equipped with energy storage device (4) series circuit, while accumulation of energy storage battery (4) is connected with DC/DC converters (5) with after
Electric switch (6) is in parallel, and the cathode termination comparator (62) of accumulation of energy storage battery (4), comparator (62) meets switch S (61), switchs S
(61) it is parallel between the circuit of high pressure electricity-getting mutual inductor (1) and rectifier bridge (2).
Therein, the switch S (61) is electromagnetic switch, and DC/DC converters (5) use PI-05V-B4 type super wide voltages
DC/DC converters.
High pressure electricity-getting mutual inductor (1) provides the energy for whole circuit, and switch S (61) the controls high pressure of relay switch takes electricity
Mutual inductor charges for accumulation of energy storage battery (4)；The rectifier bridge (2) of diode D11, D12, D13 and D14 composition carries out alternating current
Rectification；Reactance L1 (31) and capacitance C (32) composition filter circuits；Diode D1 is anti-backflow diode, prevents switch S (61) from closing
During conjunction, accumulation of energy storage battery (4) discharges via switch S (61), is charged by above circuit to accumulation of energy storage battery (4)；Accumulation of energy storage battery
(4) DC/DC converters (5) (super wide voltage dc-dc is passed through：Such as PI-05V-B4 of 13V-380V wide inputs) it will store
Level needed for energy storage device (4) level translation into load, for load (7) power supply；Accumulation of energy storage battery is detected by comparator (62)
(4) both end voltage value, when accumulation of energy storage battery (4) charges saturation, accumulation of energy accumulator voltage is increased to voltage reference value Vref
When, comparator (62) sends closure signal to switch S (61), by high pressure electricity-getting mutual inductor (1) secondary side output short-circuit, after short circuit
The energy supply of load (7) is maintained by accumulation of energy storage battery (4).
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one of the utility model is contained in reference to the embodiment or example particular features, structures, materials, or characteristics described
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.
The preferred embodiment in the utility model disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, it is only the embodiment also not limit the utility model.Obviously, according to this theory
The content of bright book, can make many modifications and variations.The utility model is only by claims and its four corner and equivalent
Limitation.
Claims (3)
1. a kind of ultra-high-tension power transmission line takes electric power supply unit, including high pressure electricity-getting mutual inductor, rectifier bridge, wave filter, relay to open
Close and DC/DC converters, it is characterised in that：Accumulation of energy storage battery is further included, the high pressure electricity-getting mutual inductor is current transformer, its
It is made of the induction coil on iron core and winding iron core；The rectifier bridge is composed in parallel by diode D11, D12 and D13, D14；
The wave filter includes capacitance C and reactance L1；The relay switch includes switch S and comparator；High pressure electricity-getting mutual inductor with
Rectifier bridge connects, and rectifier bridge is connected with wave filter, and wave filter is connected with accumulation of energy storage battery, and accumulation of energy storage battery is converted by DC/DC
Connected after device decompression with load, accumulation of energy storage battery is also connected in parallel to relay switch, the other end and high pressure of relay switch
Electricity-getting mutual inductor connects.
2. ultra-high-tension power transmission line according to claim 1 takes electric power supply unit, it is characterised in that：The high pressure takes electric mutual inductance
Device is connected with rectifier bridge, and rectifier bridge is in parallel with capacitance C after connecting with reactance L1, the rectifier bridge after shunt capacitance C and accumulation of energy electric power storage
Pond is connected, and wave filter with being equipped with diode D1 in accumulation of energy storage battery series circuit, with DC/DC converters connect by accumulation of energy storage battery
In parallel with relay switch at the same time, the cathode termination comparator of accumulation of energy storage battery, comparator meets switch S, and switch S is parallel to high pressure
Between electricity-getting mutual inductor and the circuit of rectifier bridge.
3. ultra-high-tension power transmission line according to claim 1 takes electric power supply unit, it is characterised in that：The switch S is electromagnetism
Switch, DC/DC converters use PI-05V-B4 type super wide voltage DC/DC converters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721328732.9U CN207339427U (en) | 2017-10-16 | 2017-10-16 | A kind of ultra-high-tension power transmission line takes electric power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721328732.9U CN207339427U (en) | 2017-10-16 | 2017-10-16 | A kind of ultra-high-tension power transmission line takes electric power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339427U true CN207339427U (en) | 2018-05-08 |
Family
ID=62364958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721328732.9U Expired - Fee Related CN207339427U (en) | 2017-10-16 | 2017-10-16 | A kind of ultra-high-tension power transmission line takes electric power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109842183A (en) * | 2019-02-25 | 2019-06-04 | 国网山西省电力公司吕梁供电公司 | A kind of transmission line of electricity sensing electricity getting device and its method for obtaining maximum power |
| CN117411324A (en) * | 2023-12-15 | 2024-01-16 | 国网福建省电力有限公司 | Power transformer integrated calibrating device power supply and control method thereof |
-
2017
- 2017-10-16 CN CN201721328732.9U patent/CN207339427U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109842183A (en) * | 2019-02-25 | 2019-06-04 | 国网山西省电力公司吕梁供电公司 | A kind of transmission line of electricity sensing electricity getting device and its method for obtaining maximum power |
| CN109842183B (en) * | 2019-02-25 | 2022-06-17 | 国网山西省电力公司吕梁供电公司 | Induction power taking device of power transmission line and method for obtaining maximum power of induction power taking device |
| CN117411324A (en) * | 2023-12-15 | 2024-01-16 | 国网福建省电力有限公司 | Power transformer integrated calibrating device power supply and control method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20181016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |