CN203839952U - Low-voltage intelligent voltage regulator - Google Patents
Low-voltage intelligent voltage regulator Download PDFInfo
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- CN203839952U CN203839952U CN201320759332.9U CN201320759332U CN203839952U CN 203839952 U CN203839952 U CN 203839952U CN 201320759332 U CN201320759332 U CN 201320759332U CN 203839952 U CN203839952 U CN 203839952U
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- 238000001514 detection method Methods 0.000 claims abstract description 8
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- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
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- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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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
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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Abstract
The utility model provides a low-voltage intelligent voltage regulator, and the voltage regulator comprises a transformer, a voltage detection control device, a boost circuit breaker, and a bypass circuit breaker. The transformer is disposed on a circuit where a power supply side and a user side are connected. The boost circuit breaker is disposed on a circuit where the transformer is connected with the power supply side. The bypass circuit breaker is connected with the circuit of the power sides and the circuit of the user side. The voltage detection control device comprises a detection voltage input end and a control signal output end. The detection voltage input end is connected to the circuit of the power supply side, and the control signal output end is connected with the boost circuit breaker and the bypass circuit breaker. The voltage regulator provided by the utility model can enable the voltage of the user side to remain constant, effectively solves the problem that the voltage of a low-voltage side circuit of distribution and transformation of a rural substation, employs a mature and simple element and equipment for integration on the market, is low in cost of construction, is smaller in size, is convenient to assemble, disassemble and transport, is convenient to maintain, is suitable for outdoor operation, and is long in service life.
Description
Technical field
The utility model relates to power supply technique field, particularly relates to a kind of low-voltage intelligent voltage regulator.
Background technology
The supply network of rural area has the problem of low-voltage conventionally, and low voltage power supply can bring following shortcoming:
1. low-voltage supply line half path length, wire diameter are little.The electric network composition of rural area is also weaker, 16.24 kilometers of 10kV circuit average lengths, and radius of low voltage power supply is long, and Yi Ge city is example: may have 1219 low-voltage platform district radius of electricity supplys and surpass 500 meters, account for 76.57% of sum; Totally 161 low-voltage platform district radius of electricity supplys surpass 1500 meters, account for 10.11% of sum, and part low-voltage circuit reaches 2～3 kms.Low pressure backbone only uses the aluminum core line of Φ 16, Φ 25, Φ 35 as backbone.
2. power load is little, fluctuation is large.Yi Getai district often will separate several branch lines, and each branch line is for a small village far away electricity consumption.On each branch line, user is below 30 families, and user relatively disperses, and power load is in 10kw left and right.Load fluctuation is separate indefinite, and A increases mutually sometimes, and B increases mutually sometimes.
3. user's voltage most of the time can remain in acceptability limit, but during user cooks, especially Spring Festival, cold weather, migrant person returns to one's native place the New Year, concentrates electricity consumption, there is load boom period, voltage is lower than 198V, is even low to moderate 170V left and right, and the duration is half an hour to 3 hour.The personnel of power supply station, in order to meet long transmission line terminal voltage, are adjusted to high tap position by distribution transforming tap, cause occurring that circuit head end voltage is high to 240V, and terminal voltage is low to moderate 170V, has a strong impact on rate of qualified voltage.
The conventional method of existing solution low-voltage problem is track remodelling and newly-built district.If take primary cable to change the method for large line warp, the method is cured the symptoms, not the disease, and engineering cost is higher; If adopt newly-built district to split load, need set up high-tension line, increase distribution transforming, the method implementation cycle is long, is difficult in short-term take effect, and engineering cost is higher.
Therefore, be necessary to provide a kind of power supply unit that solves rural power service low-voltage problem.
Utility model content
For addressing the above problem, the utility model proposes a kind of low-voltage intelligent voltage regulator, can solve the low problem of platform district, rural area distribution low-voltage side line voltage distribution.
A low-voltage intelligent voltage regulator, comprising: transformer, voltage detecting control device, circuit breaker and bypass breaker boost;
Described transformer is arranged on the circuit that mains side is connected with user's side, described in the circuit breaker that boosts be arranged on the circuit that described transformer is connected with described mains side, described bypass breaker respectively with the connection of described mains side and described user's side; Described voltage detecting control device comprises detection voltage input end and control signal output, and it detects voltage input end and is connected on the circuit of described mains side, and circuit breaker and bypass breaker boost described in its control signal output connects respectively.
Low-voltage intelligent voltage regulator of the present utility model is by the transformer on the circuit that is arranged on described mains side and is connected with user's side, and coordinate with it described in boost circuit breaker and bypass breaker, can be when the lower voltage of described mains side, the interoperation of circuit breaker and described bypass breaker boosts described in control, make the voltage of described mains side export described user's side to through described transformer transformation, adjustment by described transformer to voltage, can make the low-voltage of mains side become burning voltage output.And when the voltage of described mains side is normal, can make described transformer bypass by described circuit breaker and the described bypass breaker of boosting, the voltage of described mains side is without through described transformer transformation, directly export described user's side to, thereby the voltage that can make described user's side keeps stable, can effectively solve the low problem of platform district, rural area distribution low-voltage side line voltage distribution.
The utility model is by low-pressure side line voltage distribution being detected, and moves back according to the throwing of low-pressure side line voltage distribution control transformer, from but user side voltage effectively promoted.Intelligent voltage regulator design is studied ripe simple components and parts and equipment on market, integrated, therefore intelligent voltage regulator cost is low, intelligent voltage regulator is designed with many-sided innovation simultaneously, profile is less, is convenient to handling and transportation, easy to maintenance, be applicable to outdoor operation, Durability is long.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model low-voltage intelligent voltage regulator;
Fig. 2 is the workflow diagram of the utility model low-voltage intelligent voltage regulator.
Embodiment
Refer to Fig. 1, Fig. 1 is the structural representation of the utility model low-voltage intelligent voltage regulator.
Described low-voltage intelligent voltage regulator, comprising: transformer 10, voltage detecting control device 20, circuit breaker 30 and bypass breaker 40 boost;
Described transformer 10 is arranged on the circuit that power supply side is connected with user's side, the described circuit breaker 30 that boosts is arranged on the circuit that described transformer 10 is connected with described mains side, described bypass breaker 40 respectively with the connection of described mains side and described user's side; Described voltage detecting control device 20 comprises detection voltage input end a and control signal output b, and it detects voltage input end a and is connected on the circuit of described mains side, and circuit breaker 30 and bypass breaker 40 boost described in its control signal output b connects respectively.
Wherein, the transformer of the connected no-load voltage ratio 1:K in distribution low-voltage side line road, described transformer 10Wei Yutai district; Distribution low-voltage side line road, described voltage detecting control device 20Yu Tai district is connected, and sends control command for detection of line voltage distribution and according to testing result; The described circuit breaker 30 that boosts is connected with transformer 10 with mains side, and is subject to described voltage detecting control device 20 and described bypass breaker 40 co-controllings; Described bypass breaker 40 is connected with user's side with mains side, and is subject to voltage detecting control device 20 and the circuit breaker co-controlling that boosts.
Low-voltage intelligent voltage regulator of the present utility model is by the transformer 10 on the circuit that is arranged on described mains side and is connected with user's side, and by circuit breaker 30 and the bypass breaker 40 of boosting described in described voltage detecting control device 20 control cooperations, can be when the lower voltage of described mains side, the interoperation of circuit breaker 30 and described bypass breaker 40 boosts described in control, make the voltage of described mains side export described user's side to through described transformer 10 transformations, by the adjustment of 10 pairs of voltages of described transformer, can make the low-voltage of mains side become burning voltage output.And when the voltage of described mains side is normal, can make described transformer 10 bypasses by described circuit breaker 30 and the described bypass breaker 40 of boosting, the voltage of described mains side is without through described transformer 10 transformations, directly export described user's side to, thereby the voltage that can make described user's side keeps stable, can effectively solve the low problem of platform district, rural area distribution low-voltage side line voltage distribution.
Described mains side is preferably and is connected to distribution low-voltage side line road, platform district.Described transformer 10 is preferably step-up transformer, and the transformer 10 in described low-voltage intelligent voltage regulator is preferably the transformer of 1:K, and K>1 is added with the functional module (voltage detecting control device 20) of automatic switching simultaneously.Dang Tai district is in peak during the phase, and low voltage, when intelligent control module detects voltage lower than certain numerical value, drops into transformer 10 automatically, and Shi Tai district voltage improves, and meets voltage request.Dang Tai district is in Gu Qishi, and it is normal that intelligent control module detects voltage, automatically exits transformer 10, and by bypass power supply, platform district voltage meets the demands.The utility model investment is little, and instant effect efficiently solves the problem of rural area low-voltage, has really reached the effect of " scalp solves large problem ".
In a kind of preferred implementation, described in boost circuit breaker 30 and bypass breaker 40 be connected to each other;
When the voltage that described mains side detected when described voltage detecting control device 20 is normal, described in it, control signal output output switching signal is to described bypass breaker 40; After described bypass breaker 40 closures, send sub-gate signal to described in the circuit breaker 30 that boosts, described in boost after circuit breaker 30 receives described sub-gate signal and disconnect;
When described voltage detecting control device 20 detects the lower voltage of described mains side, described in it control signal output output switching signal to described in the circuit breaker 30 that boosts; Described boosting after circuit breaker 30 closures, sends sub-gate signal to described bypass breaker 40, after described bypass breaker 40 receives described sub-gate signal, disconnects.
By the way, described in circuit breaker 30 and the bypass breaker 40 that boost realize interlock, realize response fast, improve responsiveness.When described voltage detecting control device 20 monitor station district distribution low-voltage side line voltage distributions.When described voltage detecting control device 20 detects low-pressure side line voltage distribution lower than the first predetermined value, send the order of closing a floodgate to the circuit breaker 30 that boosts; When low-pressure side line voltage distribution being detected higher than the second predetermined value, send the order of closing a floodgate to bypass breaker 40.
When receiving that described voltage detecting control device 20 sends after the combined floodgate order to the circuit breaker 30 that boosts, the circuit breaker 30 that boosts closes; Close and boost after circuit breaker 30, send separating brake order to bypass breaker 40; And, when receiving that bypass breaker 40 sends after the separating brake order to the circuit breaker 30 that boosts, disconnect the circuit breaker 30 that boosts.
When receiving that described voltage detecting control device 20 sends after the combined floodgate order to bypass breaker 40, bypass breaker 40 closes; Close after bypass breaker 40, send separating brake order to the circuit breaker 30 that boosts; When receiving that the circuit breaker 30 that boosts sends after the separating brake order to bypass breaker 40, disconnect bypass breaker 40.
In a preferred implementation, arranging of described voltage detecting control device 20 is as follows:
The voltage that described mains side detected when described voltage detecting control device 20 is during higher than 215V, and described in it, control signal output output switching signal is to described bypass breaker 40;
The voltage that described mains side detected when described voltage detecting control device 20 is during lower than 198V, described in it control signal output output switching signal to described in the circuit breaker 30 that boosts.
Described no-load voltage ratio is that the transformer 10 of 1:K can be realized when voltage is during lower than 198V, after the transformer 10 by 1:K promotes voltage, to customer power supply, meets customer power supply demand;
When voltage is during higher than 215V, if continuation will be given customer power supply after voltage lifting by the transformer 10 of 1:K, because low-pressure side line voltage distribution process promotes the transformer of 1:K 10 by voltage, make user's terminal voltage over certain voltage value, can not meet consumers' demand, therefore.By the transformer of 1:K 10 is exited, and the mode of directly powering meets customer power supply demand.
In a preferred implementation, described in boost circuit breaker 30 and bypass breaker 40 by a pair of anti-phase control contact, be connected to each other.When the circuit breaker 30 that boosts described in therefore can realizing receives instruction conducting, described bypass breaker 40 quick closedowns; Or during described bypass breaker 40 conducting, described in circuit breaker 30 quick closedowns of boosting.
In an embodiment, when described voltage detecting control device 20 detects low-pressure side line voltage distribution lower than 198V, in described voltage detecting control device 20, be provided with voltage relay therein, after voltage relay action, send the order of closing a floodgate to the circuit breaker 30 that boosts; The circuit breaker 30 that boosts receives that described voltage detecting control device 20 sends after the combined floodgate order to the circuit breaker 30 that boosts, and the circuit breaker 30 that boosts closes; After the circuit breaker 30 that boosts closes a floodgate, distribution low-voltage side line voltage distribution promotes voltage by the transformer 10 of 1:K, by giving customer power supply after the voltage after lifting, meets customer power supply demand; For fear of boost circuit breaker 30 and bypass breaker 40 simultaneously in closing position, in circuit, there is circulation, after the circuit breaker 30 that boosts closes a floodgate, send separating brake order to bypass breaker 40; Bypass breaker 40 receives that the circuit breaker 30 that boosts sends after the separating brake order to bypass breaker 40, disconnects bypass breaker 40.
In an embodiment, when described voltage detecting control device 20 detects low-pressure side line voltage distribution higher than 215V, in described voltage detecting control device 20, be provided with voltage relay therein, after voltage relay action, send the order of closing a floodgate to bypass breaker 40; Bypass breaker 40 receives that described voltage detecting control device 20 sends after the combined floodgate order to bypass breaker 40, and bypass breaker 40 closes; After bypass breaker 40 closes a floodgate, distribution low-voltage side line voltage distribution, without the transformer 10 of 1:K, is directly given customer power supply, meets customer power supply demand; For fear of boost circuit breaker 30 and bypass breaker 40 simultaneously in closing position, in circuit, there is circulation, after bypass breaker 40 closes a floodgate, send separating brake order to the circuit breaker 30 that boosts; The circuit breaker 30 that boosts is received that bypass breaker 40 sends to side and is boosted after the separating brake order of circuit breaker 30, disconnects the circuit breaker 30 that boosts.
Refer to Fig. 2, Fig. 2 is the workflow diagram of the utility model low-voltage intelligent voltage regulator.
Comprise the following steps:
Step S201, monitor station district distribution low-voltage side line voltage distribution, sends control command according to testing result;
Step S202, moves after the circuit breaker 30 that boosts is received described control command;
Step S203, bypass breaker 40 moves after receiving described control command.
In an embodiment, described step S201, specifically comprises therein:
Voltage detecting control device 20 monitor station district distribution low-voltage side line voltage distributions.
In an embodiment, described step S201, also comprises therein:
When voltage detecting control device 20 detects low-pressure side line voltage distribution lower than 198V, send the order of closing a floodgate to the circuit breaker 30 that boosts; When voltage detecting control device 20 detects low-pressure side line voltage distribution higher than 215V, send the order of closing a floodgate to bypass breaker 40.
In an embodiment, described step S202, specifically comprises therein:
The circuit breaker 30 that boosts receives after the combined floodgate order of voltage detecting control device 20, and the circuit breaker 30 that boosts closes; After the circuit breaker 30 that boosts closes a floodgate, send separating brake order to bypass breaker 40.
In an embodiment, described step S203, specifically comprises therein:
Bypass breaker 40 receives after the combined floodgate order of voltage detecting control device 20, and bypass breaker 40 closes; After bypass breaker 40 closes a floodgate, send separating brake order to the circuit breaker 30 that boosts.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (5)
1. a low-voltage intelligent voltage regulator, is characterized in that, comprising: transformer, voltage detecting control device, circuit breaker and bypass breaker boost;
Described transformer is arranged on the circuit that mains side is connected with user's side, described in the circuit breaker that boosts be arranged on the circuit that described transformer is connected with described mains side, described bypass breaker respectively with the connection of described mains side and described user's side; Described voltage detecting control device comprises detection voltage input end and control signal output, and it detects voltage input end and is connected on the circuit of described mains side, and circuit breaker and bypass breaker boost described in its control signal output connects respectively.
2. low-voltage intelligent voltage regulator as claimed in claim 1, is characterized in that, distribution low-voltage side line road, described mains side connected unit district.
3. the low-voltage intelligent voltage regulator as described in claim 1 or 2, is characterized in that, described transformer is step-up transformer.
4. low-voltage intelligent voltage regulator as claimed in claim 3, is characterized in that, described in boost circuit breaker and bypass breaker be connected to each other;
When the voltage that described mains side detected when described voltage detecting control device is normal, described in it, control signal output output switching signal is to described bypass breaker; After described bypass breaker closure, send sub-gate signal to described in the circuit breaker that boosts, described in boost after circuit breaker receives described sub-gate signal and disconnect;
When described voltage detecting control device detects the lower voltage of described mains side, described in it control signal output output switching signal to described in the circuit breaker that boosts; Described boosting after breaker closing, sends sub-gate signal to described bypass breaker, and described bypass breaker disconnects after receiving described sub-gate signal.
5. low-voltage intelligent voltage regulator as claimed in claim 4, is characterized in that: described in boost circuit breaker and bypass breaker by a pair of anti-phase control contact, be connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759332.9U CN203839952U (en) | 2013-11-26 | 2013-11-26 | Low-voltage intelligent voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759332.9U CN203839952U (en) | 2013-11-26 | 2013-11-26 | Low-voltage intelligent voltage regulator |
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| Publication Number | Publication Date |
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| CN203839952U true CN203839952U (en) | 2014-09-17 |
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| CN201320759332.9U Expired - Lifetime CN203839952U (en) | 2013-11-26 | 2013-11-26 | Low-voltage intelligent voltage regulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683298A (en) * | 2013-11-26 | 2014-03-26 | 广东电网公司肇庆供电局 | Intelligent low-voltage voltage regulator |
| CN106992524A (en) * | 2016-01-20 | 2017-07-28 | 央电电力科技（湖南）有限公司 | A kind of low-voltage circuit dispersion voltage compensation device |
| CN109142853A (en) * | 2018-09-19 | 2019-01-04 | 国家电网有限公司 | A kind of 110kV cable connector switching overvoltage characteristic estimating method |
-
2013
- 2013-11-26 CN CN201320759332.9U patent/CN203839952U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683298A (en) * | 2013-11-26 | 2014-03-26 | 广东电网公司肇庆供电局 | Intelligent low-voltage voltage regulator |
| CN106992524A (en) * | 2016-01-20 | 2017-07-28 | 央电电力科技（湖南）有限公司 | A kind of low-voltage circuit dispersion voltage compensation device |
| CN109142853A (en) * | 2018-09-19 | 2019-01-04 | 国家电网有限公司 | A kind of 110kV cable connector switching overvoltage characteristic estimating method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |