CN207459720U - A kind of 10kV circuits auto by pass recovers pressure regulation uninterrupted power system device automatically - Google Patents
A kind of 10kV circuits auto by pass recovers pressure regulation uninterrupted power system device automatically Download PDFInfo
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- CN207459720U CN207459720U CN201721241029.4U CN201721241029U CN207459720U CN 207459720 U CN207459720 U CN 207459720U CN 201721241029 U CN201721241029 U CN 201721241029U CN 207459720 U CN207459720 U CN 207459720U
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- breaker
- pressure regulator
- bypass
- controller
- voltage
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Abstract
The utility model discloses a kind of 10kV circuits autos by pass to recover pressure regulation uninterrupted power system device automatically, the utility model is regarding to the issue above, fluctuation automatic Regulation/the bypass of 10kV distribution network voltages is provided and does not power off regulating device, including pre-power supply transformer, controller, pressure regulator body, load ratio bridging switch, bypass breaker, input breaker, output breaker and host computer daemon software system；The input breaker, pressure regulator body, output breaker are sequentially connected in series；The bypass breaker and pressure regulator body are in parallel；The pre-power supply transformer connects controller, and the controller connects input breaker, pressure regulator body, load ratio bridging switch, output breaker and bypass breaker respectively.Further, the pre-power supply transformer is directly accessed controller, and device is powered in order to control, and provides the sampled voltage before pressure regulation.Further, there are AC/DC conversion circuits in the controller, can pre-power supply transformer, the voltage of pressure regulator built-in voltage mutual inductor acquisition be subjected to analysis comparison, determine whether to send the instruction for adjusting voltage to pressure regulator.4G internet data communications module built in controller, can be by the data remotes such as voltage, electric current, temperature, gas and on off state to daemon software system.Further, the load ratio bridging switch of the pressure regulator body can instruct according to the pressure regulation of controller and carry out load buck.Oil temperature monitoring, methane gas concentration monitor module built in pressure regulator.Further, the pressure regulator body built-in current mutual inductor, voltage transformer are connected with controller, and output end voltage samples after providing pressure regulator operating mode electric current, pressure regulator pressure regulation.Further, the bypass breaker vacuum circuit breaker that device controls in order to control is, it can be achieved that backstage is automatically brought into operation.Further, the pre-power supply transformer is powered for input breaker, output breaker and bypass breaker.Further, the power transformer provides 400V power supplies for pressure regulator load ratio bridging switch, when pressure regulator is restored to automatic Regulation state from overcurrent, over-pressed bypass protection state, is first sent instructions by controller, pressure regulator load ratio bridging switch is made to return to benchmark（It is straight-through）Gear then bypass the/state transition of pressure regulation.Further, the input breaker, bypass breaker and the output breaker three-phase vacuum breaker that device controls in order to control are, it can be achieved that controller software instruction is automatically brought into operation.Further, the bypass breaker switching winding and output breaker closing coil share a control terminal in control cabinet, and bypass breaker closing coil and output breaker open operation coil share a control terminal in control cabinet.Realize that an instruction controls division/on/off switch action of two breakers simultaneously.Further, the host computer back-stage management software systems collect the data such as the voltage of pressure regulator input terminal/output terminal of the system and device, the operating current of pressure regulator, load ratio bridging switch gear, the mild methane gas concentration of transformer oil, and are analyzed.Including pre-power supply transformer, controller, pressure regulator body, load ratio bridging switch, bypass breaker, input breaker, output breaker and host computer daemon software system；The input breaker, pressure regulator body, output breaker are sequentially connected in series；The bypass breaker and pressure regulator body are in parallel；The pre-power supply transformer connects controller, and the controller connects input breaker, pressure regulator body, load ratio bridging switch, bypass breaker, output breaker respectively；The 10kV circuits auto by pass of the utility model recovers pressure regulation uninterrupted power system device automatically automatic identification Line Flow and to realize bidirectional pressure regulating and auto by pass, and can realize auto by pass function, do not power off；It can the more accurately voltage of real time on-line monitoring circuit input/output terminal, operating current, load ratio bridging switch pressure regulation gear, pressure regulator oil temperature and fuel tank methane gas concentration, and upload the data such as voltage, electric current, oil temperature, methane gas concentration to host computer daemon software system.
Description
Technical field
The utility model is related to power distribution network automatic Regulation/bypasses continuously to power, and in particular to one kind is applied to 10kV distribution
Cable road voltage fluctuation automatic Regulation/bypass does not power off regulating device.
Background technology
At present, 10kV distribution network voltages fluctuation automatic Regulation/bypass, which does not power off regulating device, can identify direction of tide simultaneously
Realize bidirectional pressure regulating；It can manual/auto bypass pressure regulator；Monitor simultaneously the voltage of pressure regulator input/output terminal, operating current,
Gas gas concentration in load ratio bridging switch pressure regulation gear, pressure regulator oil temperature and fuel tank uploads monitoring data to pressure regulator backstage
Software systems are simultaneously analyzed.Existing bidirectional pressure regulating device mostly has the advantages that easy to use, flexible, realizes remote online
Monitoring and fault warning, auto by pass defencive function.But these devices give pressure regulator all in auto by pass, automatic recovery process
Short supply interruption is caused below, influences pressure regulator subsequent user normal electricity consumption order.
The content of the invention
The utility model does not power off adjusting in view of the above-mentioned problems, providing the fluctuation automatic Regulation/bypass of 10kV distribution network voltages
Device, including pre-power supply transformer, controller, pressure regulator body, load ratio bridging switch, bypass breaker, input breaker,
Export breaker and host computer daemon software system；The input breaker, pressure regulator body, output breaker are sequentially connected in series；
The bypass breaker and pressure regulator body are in parallel；The pre-power supply transformer connects controller, and the controller connects respectively
Connect input breaker, pressure regulator body, load ratio bridging switch, output breaker and bypass breaker.
Further, the pre-power supply transformer is directly accessed controller, and device is powered in order to control, and before pressure regulation is provided
Sampled voltage.
Further, there are AC/DC conversion circuits in the controller, it can be by pre-power supply transformer, built in pressure regulator
The voltage of voltage transformer acquisition carries out analysis comparison, determines whether to send the instruction for adjusting voltage to pressure regulator.Control
4G Internet of Things data communication module built in device, can be by data remotes such as voltage, electric current, temperature, gas and on off states to upper
Machine daemon software system.
Further, the load ratio bridging switch of the pressure regulator body can instruct according to the pressure regulation of controller and carry out load
Buck.Oil temperature monitoring, methane gas concentration monitor module built in pressure regulator.
Further, the pressure regulator body built-in current mutual inductor, voltage transformer are connected with controller, provide tune
Output end voltage samples after depressor operating mode electric current, pressure regulator pressure regulation.
Further, the bypass breaker is the three-phase vacuum breaker of the control of device in order to control, it can be achieved that from the background certainly
Dynamic operation.
Further, the pre-power supply transformer is powered for input breaker, output breaker and bypass breaker.
Further, the power transformer for pressure regulator load ratio bridging switch provide 400V power supply, pressure regulator from
When overcurrent, over-pressed bypass protection state are restored to automatic Regulation state, are first sent instructions by controller, open pressure regulator loaded tap-off
Pass returns to benchmark（It is straight-through, 0 amplitude pressure regulation）Gear then bypass the/state transition of pressure regulation.
Further, the input breaker, bypass breaker and the output breaker three-phase that device controls in order to control are true
Empty breaker is, it can be achieved that controller is automatically brought into operation.
Further, the bypass breaker switching winding and output breaker closing coil share a control terminal
Son, bypass breaker closing coil and output breaker open operation coil share a control terminal, realize a same time control of instruction
System.
Further, the voltage before and after the host computer daemon software system collection pressure regulation, the operating current of pressure regulator,
The data such as load ratio bridging switch gear, the mild methane gas concentration of transformer oil, and analyzed.
The advantages of the utility model：
The 10kV distribution network lines voltage fluctuation automatic Regulation/bypass of the utility model does not power off regulating device, Ke Yishi
It is continuous to power in by-pass procedure in the case of present four kinds of non-pressure regulator body faults itselfs, it is not powered off behind pressure regulator.Four kinds
Two kinds of oil temperature of bypass protection function, gas bypass protections are, it is necessary to which electric power enterprise damage repair technology personnel on site disposes, in the case of this
The device does not allow to automatically restore to pressure regulation state；The circuit instantaneous overcurrent of four kinds of bypass protection functions, over-pressed bypass protection open
Dynamic, after overcurrent, overvoltage disappear, which can automatically restore to pressure regulation state, continuous to power, and not powered off behind pressure regulator,
Electric power enterprise damage repair technology site disposal is not required.Wherein output breaker closing coil is being controlled with bypass breaker switching winding
Case processed shares a terminal；Output breaker open operation coil shares a terminal with bypass breaker closing coil in control cabinet.
It realizes that an instruction controls simultaneously, reduces the quantity of controller chip control breaker, simplify software, improve reliability.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Description of the drawings
The attached drawing for forming the part of the application is used to provide a further understanding of the present invention, the utility model
Schematic description and description does not form the improper restriction to the utility model for explaining the utility model.
Fig. 1 is that the 10kV circuits auto by pass of the utility model embodiment recovers the original of pressure regulation uninterrupted power system device automatically
Manage block diagram；
Fig. 2 is before the 10kV circuits auto by pass of the utility model embodiment recovers pressure regulation uninterrupted power system device automatically
Put power transformer circuit diagram；
Fig. 3,4 are that the 10kV circuits auto by pass of the utility model embodiment recovers pressure regulation uninterrupted power system device automatically
Control block wiring diagram；
Fig. 5 is that the 10kV circuits auto by pass of the utility model embodiment recovers the tune of pressure regulation uninterrupted power system device automatically
Depressor built-in voltage, current sample wiring diagram；
It is electrical that Fig. 6 is that the 10kV circuits auto by pass of the utility model embodiment recovers pressure regulation uninterrupted power system device automatically
Connection figure.
Reference numeral：
1 pre-power supply transformer, 2 input breakers, 3 controllers, 4 pressure regulator bodies, 5 load ratio bridging switches, 6 outputs are disconnected
Road device, 7 bypass breakers.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that this goes out described specific embodiment only explaining this
Utility model is not used to limit the utility model.
With reference to figure 1, as shown in Figure 1,10kV circuits auto by pass recovers pressure regulation uninterrupted power system device automatically, before 1
Put power transformer, 2 input breakers, 3 in order to control device, 4 be pressure regulator body, 5 loaded switch, 6 output breakers, 7 be side
Circuit breaker；The input breaker（2）, pressure regulator body（4）, output breaker（6）It is sequentially connected in series；The bypass breaker
（7）Pressure regulator body（4）It is in parallel；The controller（3）Connection input breaker respectively（2）, pressure regulator body（4）, have load point
Connect switch（5））, output breaker（6）And bypass breaker（7）.
With reference to figure 2, as shown in Fig. 2, the pre-power supply transformer PT is the transformer of 10kV/380V specifications.
With reference to figure 3, as shown in figure 3, the controller, by pre-power supply transformer-supplied, connection circuit includes breaker
1QF, surge absorber 1L, fuse 1RD, change-over switch 1HK, wave filter EM1, A.C. contactor KM1, KM2, upshift button
SA, down-shift button JA, upshift indicator light HD, downshift indicator light LD；The breaker 2RD, surge absorber 1L, fuse 1RD
Series connection is connected to wave filter EM1；The upshift button SA, down-shift button JA, connect respectively simultaneously with contactor KM1, KM2 coil respectively
It is connected to wire connection terminal；Upshift indicator light HD, downshift indicator light LD connect respectively with the normally opened contact of contactor KM1, KM2.
With reference to figure 6, as shown in fig. 6, pressure regulator is over-pressed, overcurrent auto by pass, pressure regulator can divide the QF1 times in overvoltage delay
Auto by pass protection operation, bypass operation manner of execution are carried out after arrival：Normal operating conditions → QF1 points → delay 3ms → QF2
QF3 points → bypass condition during contract；Pressure regulator can carry out bypass protection operation after overcurrent delay divides the QF1 times to reach, bypass
Operational motion mode：QF3 points → bypass condition during normal operating conditions → QF1 points → delay 3ms → QF2 contracts.
With reference to figure 4, Fig. 6, as shown in Fig. 4, Fig. 6, the load ratio bridging switch supplies three-phase electricity by pre-power supply transformer；When
Circuit instantaneous overvoltage or over-current side path protection terminate, and after overvoltage or overcurrent disappear, which can automatically restore to pressure regulation shape
State.Confirm that overvoltage or over-current phenomenon avoidance disappear, first sent instructions by controller, load ratio bridging switch is adjusted to benchmark gear（It is straight-through
State, 0 pressure regulation amplitude）, and confirm；Echo plex mode is bypassed to start：Bypass condition → QF1 is closed → be delayed 2ms → QF3 contracts when
QF2 points → normal operating conditions.
With reference to figure 5, as shown in figure 5, the voltage regulator operation electric current and output voltage sampling circuit are included built in pressure regulator
Current Transmit, built-in voltage mutual inductor PT, breaker 2QF, surge absorber 1L, fuse 1RD.The current transformer
CT output terminals are directly connected to voltage regulator controllers terminal；The voltage transformer pt and breaker 2QF, surge absorber 1L, fusing
Device 1RD series connection is followed by voltage regulator controllers terminal.
With reference to figure 6, electrically connect as shown in fig. 6, recovering pressure regulation uninterrupted power system device automatically for 10kV circuits auto by pass
It connects.Three-phase voltage, current signal are taken out first from preposition power transformer, pressure regulator built-in voltage, current transformer, there is load
Tap changer gear signal, oil temperature signal and gas density signal, are then fed into controller, and then are converted into digital letter
Number, and data analysis, storage and display are completed, realize the communication with daemon software system finally by 4G Internet of Things, so as to
Monitoring data further go out reason.Since 4G Internet of Things stability high costs are low, it can be achieved that wireless data transmission, so the present apparatus
It is equipped with the wireless transmission that 4G Internet of Things data communication module carries out data.
As shown in Figure 1, pressure regulation process：Line voltage distribution, current signal and tap changer gear signal are detected first, will be detected
To voltage, current signal compared with setting value, if deviation is more than allowed band and after reaching the stipulated time, controller
Order is sent to load ratio bridging switch, realizes on-load voltage regulation；Conversely, when voltage is in allowed band（Voltage is qualified）, controller
Pressure regulation order is not sent to load ratio bridging switch, load ratio bridging switch is in benchmark gear.
Network is monitored on-line by pre-power supply transformer, pressure regulator body built-in voltage mutual inductor（Output terminal）, in-built electrical
Current transformer, built-in oil temperature detection module, built-in methane gas concentration detection module and host computer daemon software system composition, it is real
It is now remotely real-time before and after monitoring pressure regulator pressure regulation（Sampling time interval 1ms）Voltage, electric current, load ratio bridging switch gear, tune
Gas gas concentration in depressor oil temperature and fuel tank uploads monitoring data and to host computer daemon software system and is analyzed.
As shown in fig. 6, present 10kV circuits auto by pass recovers pressure regulation uninterrupted power system device in three-phase distribution automatically
Signal is introduced controller by the wiring schematic diagram in net by power grid pre-power supply transformer, and pressure regulator body takes from three phase network
Electricity provides required voltage for built-in each module.It is wireless through the 4G Internet of Things data communication module as built in controller after data processing
Transmission.
10kV circuits auto by pass recovers to add by pre-power supply in the controller of pressure regulation uninterrupted power system device automatically
Transformer provides the control section of 400V power supplys to load ratio bridging switch, can be not switched on power grid 10kV's in pressure regulator body
In the case of, it is instructed to load ratio bridging switch, completes pressure regulator and return to benchmark gear.
10kV circuits auto by pass recovers the characteristics of pressure regulation uninterrupted power system device automatically：
1st, the auto by pass under four kinds of states, two of which state（Overvoltage, overcurrent protection）Pressure regulation can be automatically restored to
The process of state, without power department, technical staff removes site disposal, continuous to power, and is not powered off behind pressure regulator；
2nd, the auto by pass process under four kinds of states, it is continuous to power, it does not power off；
3rd, automatic floating voltage variation adjustment three-phase load ratio bridging switch gear, reliable in action, voltage Adjustment precision are high；
4th, voltage reference, action delay, allowed band, time number limiting, flexible setting for parameters, side can be adjusted as needed
Just；
5th, show and upload the output end voltage of two-way automatic voltage regulator, electric current, load ratio bridging switch day action frequency,
Total action frequency, current gear have the instruction of most high-grade and deep low gear；
6th, there is the gear upper limit, lower limit protection and action timing function, effectively increase the reliability of product；
7th, controller has overcurrent, under-voltage protection, when circuit is in overcurrent, under-voltage condition, controller automatic blocking, and mistake
Stream, under-voltage fault terminate, automatic unlocking；
8th, controller controls chip using technical grade, and reliability is high, and strong antijamming capability is suitable for outdoor adverse circumstances.
The 10kV circuits auto by pass of the utility model recovers pressure regulation uninterrupted power system device automatically can identify trend side
To and realize bidirectional pressure regulating；It can realize auto by pass function, not power off；It can realize from bypass condition and automatically restore to automatic tune
Pressure condition does not power off；Monitor circuit input and output terminal voltage, operating current, load ratio bridging switch pressure regulation gear, pressure regulator simultaneously
Gas gas concentration in oil temperature and fuel tank uploads monitoring data and to daemon software system and is analyzed；Feature-rich and purposes
It is relatively wide.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modifications, equivalent replacements and improvements are made should be included in the guarantor of the utility model
Within the scope of shield.
Claims (1)
1.10kV circuits auto by pass recovers pressure regulation uninterrupted power system device automatically, which is characterized in that including 1 pre-power supply transformation
Device, 2 input breakers, 3 controllers, 4 pressure regulator bodies, 5 load ratio bridging switches, 6 output breakers, 7 bypass breakers；It is described
Input breaker（2）, pressure regulator body（4）, output breaker（6）It is sequentially connected in series；The bypass breaker（7）Pressure regulator body
（4）It is in parallel；The controller（3）Connection input breaker respectively（2）, pressure regulator body（4）, load ratio bridging switch（5）, output
Breaker（6）, bypass breaker（7）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721241029.4U CN207459720U (en) | 2017-09-26 | 2017-09-26 | A kind of 10kV circuits auto by pass recovers pressure regulation uninterrupted power system device automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721241029.4U CN207459720U (en) | 2017-09-26 | 2017-09-26 | A kind of 10kV circuits auto by pass recovers pressure regulation uninterrupted power system device automatically |
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| Publication Number | Publication Date |
|---|---|
| CN207459720U true CN207459720U (en) | 2018-06-05 |
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|---|---|---|---|
| CN201721241029.4U Expired - Fee Related CN207459720U (en) | 2017-09-26 | 2017-09-26 | A kind of 10kV circuits auto by pass recovers pressure regulation uninterrupted power system device automatically |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969605A (en) * | 2020-08-18 | 2020-11-20 | 广东电网有限责任公司 | Energy-saving loss-reducing system and method for distribution line |
| CN113067359A (en) * | 2021-03-30 | 2021-07-02 | 贵州电网有限责任公司 | Direct-current distribution voltage stabilizing system with intelligent bypass function and control method |
| CN114334392A (en) * | 2021-12-30 | 2022-04-12 | 合肥华威自动化有限公司 | Intelligent multifunctional medium-voltage line voltage regulator and power supply system comprising same |
-
2017
- 2017-09-26 CN CN201721241029.4U patent/CN207459720U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969605A (en) * | 2020-08-18 | 2020-11-20 | 广东电网有限责任公司 | Energy-saving loss-reducing system and method for distribution line |
| CN113067359A (en) * | 2021-03-30 | 2021-07-02 | 贵州电网有限责任公司 | Direct-current distribution voltage stabilizing system with intelligent bypass function and control method |
| CN114334392A (en) * | 2021-12-30 | 2022-04-12 | 合肥华威自动化有限公司 | Intelligent multifunctional medium-voltage line voltage regulator and power supply system comprising same |
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| GR01 | Patent grant | ||
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Granted publication date: 20180605 |