CN216564518U - Power supply engineering voltage regulating system - Google Patents
Power supply engineering voltage regulating system Download PDFInfo
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- CN216564518U CN216564518U CN202123029990.6U CN202123029990U CN216564518U CN 216564518 U CN216564518 U CN 216564518U CN 202123029990 U CN202123029990 U CN 202123029990U CN 216564518 U CN216564518 U CN 216564518U
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Abstract
The utility model discloses a power supply engineering voltage regulating system, which comprises a main loop and a bypass loop, wherein the main loop comprises a first lightning arrester and a first isolating switch which are sequentially connected through a lead, then is connected with a voltage regulator in an overhead way through a first voltage transformer and a first intelligent circuit breaker, and is connected with a second lightning arrester through a second isolating switch and a second lightning arrester after being led out in an overhead way; the bypass circuit comprises a second intelligent circuit breaker, one end of the second intelligent circuit breaker is connected with the power supply side of the first lightning arrester, and the other end of the second intelligent circuit breaker is connected with the load side of the second lightning arrester. The bypass loop is added, so that the voltage regulating system can be disconnected in the self-powered circuit in advance under the conditions of maintenance, fault and light load of the circuit, and the normal operation of the circuit body is not influenced. And the pressure regulating system has the functions of remote on-off and switching.
Description
Technical Field
The utility model belongs to the technical field of power supply engineering, and particularly relates to a power supply engineering voltage regulating system.
Background
In the engineering implementation process, the situation that large-power-load users need to supply power remotely in remote mountainous areas, mining areas and the like is often met. When considering the economy and the current situation of a project peripheral power grid, the large-power-load users usually use a 35 kV power transmission line + voltage regulating system to supply power.
In order to guarantee reliable supply of electric power and enhance convenience and flexibility of operation and maintenance of a power supply system, a power supply engineering voltage regulating system with flexible and convenient operation and maintenance is provided.
The traditional voltage regulating system wiring mode of the power supply project is shown in figure 1, the traditional voltage regulating system arrangement mode of the power supply project is shown in figures 2 and 3, the main wiring mode and the arrangement mode of the traditional voltage regulating system are shown, a 35 kV line voltage regulator is required to be connected in series in a power transmission line all the time, and the voltage regulator can be repaired, maintained and repaired after the line is powered off. And when the line is in a light load working condition, the voltage regulating system cannot be disconnected to operate independently. The traditional voltage regulating system causes the defects of inflexible line operation mode, increased line power failure time, difficult maintenance of a voltage regulator and the like.
Disclosure of Invention
The utility model provides a power supply engineering voltage regulating system, which can realize that the voltage regulating system does not influence the normal operation of a line under the conditions of maintenance, fault and light load of the line, and can increase the reliability of power supply.
In order to achieve the purpose, the voltage regulating system for the power supply engineering comprises a main loop and a bypass loop, wherein the main loop comprises a first isolating switch, a first intelligent circuit breaker, a voltage regulator and a second isolating switch which are sequentially connected through a lead; the power supply side of the first isolating switch is connected with a first lightning arrester, and the load side of the second isolating switch is connected with a second lightning arrester; the bypass circuit comprises a second intelligent circuit breaker, one end of the second intelligent circuit breaker is connected with the power supply side of the first arrester, and the other end of the second intelligent circuit breaker is connected with the load side of the second arrester.
Further, the voltage regulator is arranged on the ground.
Further, first intelligent circuit breaker and second intelligent circuit breaker all install on door type pole.
Further, the lower side of the pressure regulator base is provided with an accident oil storage pool.
Furthermore, a grid is arranged between the pressure regulator foundation and the accident oil storage pool.
Further, the wire is an insulated wire.
Furthermore, a voltage transformer is connected to each of the first intelligent circuit breaker and the second intelligent circuit breaker.
Furthermore, first intelligent circuit breaker and second intelligent circuit breaker are equipped with intelligent control device, are connected with the automated control system of whole power supply engineering.
Compared with the prior art, the utility model has at least the following beneficial technical effects:
the utility model discloses a power supply engineering voltage regulating system, which is additionally provided with a bypass loop, so that the voltage regulating system can be disconnected in a self-powered circuit in advance under the conditions of maintenance, fault and light load of the circuit, and the normal operation of a circuit body is not influenced. And the pressure regulating system has the functions of remote on-off and switching.
Further, the voltage regulator sets up subaerial, sets up the voltage regulator on the ground for whole voltage regulating system is firm reliable, and then whole voltage regulating system can normal operating, makes things convenient for maintenance personal to overhaul, the inspection. By providing the bypass circuit above, the voltage regulation system can be provided with the disconnection function.
Further, door type pole sets up intelligent circuit breaker and arrester support. The intelligent circuit breaker and the lightning arrester installed on the ground are both provided with steel supports, so that the construction difficulty can be effectively reduced.
Furthermore, an accident oil storage pool is arranged at the lower part of the pressure regulator foundation; the pressure regulator can be isolated from the accident oil storage pool, and the accident oil can be timely discharged into the accident oil storage pool once the transformer has an oil accident.
Furthermore, the conductor is an insulated wire, so that the cost can be reduced, and the safe use can be ensured.
Further, intelligent circuit breaker is equipped with intelligent control device, and with the automated control system intercommunication of whole power supply engineering, the operating condition of intelligent circuit breaker can be known in real time to the staff, and remote control intelligent circuit breaker's combined floodgate, separating brake conveniently monitor and control the pressure regulating system, have promoted work efficiency.
Drawings
FIG. 1 is a wiring diagram of a conventional voltage regulating system for power supply engineering;
FIG. 2 is a layout diagram of a conventional voltage regulating system for power supply engineering;
FIG. 3 is a view taken along line A-A of FIG. 2;
FIG. 4 is a wiring diagram of the voltage regulating system of the power supply engineering of the present invention;
FIG. 5 is a floor plan of the voltage regulation system of the power supply project of the present invention;
fig. 6 is a schematic cross-sectional view of a pressure regulating system.
In the drawings: 11-a first smart breaker; 12-a second smart breaker; 21-a first isolating switch; 22-a second isolation switch; 31-a first arrester, 32-a second arrester, 41-a first voltage transformer, 42-a second voltage transformer, and 5-a voltage regulator; 6-insulated wire; 7-power cables; 8-enclosing walls; 9-door type electric pole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 4 to 6, the voltage regulating system for power supply engineering is characterized in that a 35 kv bypass branch line of the voltage regulating system is additionally arranged, so that the normal operation of a line is not influenced when the voltage regulating system is maintained under the working conditions of overhaul and maintenance, fault and light load of the line by the function of an intelligent controller of an intelligent circuit breaker, the voltage regulating system can be remotely controlled to be switched on and off, and the power supply reliability is improved. The model of the intelligent circuit breaker can be selected from the intelligent circuit breakers of AB-3S-40.5G/1600-25 kA.
Referring to fig. 4, a power supply engineering voltage regulating system includes a main loop and a bypass loop, and the main devices include a voltage regulator 5, a first intelligent circuit breaker 11, a second intelligent circuit breaker 12, a first isolating switch 21, a second isolating switch 22, a first voltage transformer 41, a second voltage transformer 42, a first lightning arrester 31, a second lightning arrester 32, an electric pole 9, an insulated wire 6 and a power cable 7. The main loop power is from power cable 7 and inserts first arrester 31, first isolator 21 after, and the built on stilts access voltage regulator 5 behind first voltage transformer 41 and the first intelligent circuit breaker 11, and the built on stilts line outgoing of voltage regulator 5 is through second isolator 22 and second arrester 32, and power cable inserts the load side.
Bypass circuit is respectively installed a basic door type pole 9 in power supply side and user side, and two door type poles 9 all are located enclosure 8, and the power connects to user side cable terminal behind the door type pole 9 of insulating wire 6 to user side from built on stilts the setting up of 5 tops of regulator from first arrester 31, first intelligent circuit breaker 12 on the power cable 7 access door type pole support.
Preferably, the regulator 5 is arranged on the ground and the bypass circuit is arranged above the regulator 5.
Preferably, the door-shaped electric pole 9 is provided with an intelligent circuit breaker and an arrester support. The intelligent circuit breaker and the lightning arrester which are installed on the ground are both provided with steel brackets.
Preferably, the conductor connecting the voltage regulator 5 and the first intelligent circuit breaker 11, and the conductor connecting the voltage regulator 5 and the second isolating switch 22 are insulated wires.
Preferably, first intelligent circuit breaker 11 and second intelligent circuit breaker all are equipped with intelligent control device, and intelligent control device communicates with the automated control system of whole power supply engineering.
Preferably, a voltage transformer 4 is connected to each of the first circuit breaker 11 and the second circuit breaker 12, the voltage transformer 4 is used for collecting voltage of a power supply line, and the collected voltage is used for providing signals for the intelligent circuit breaker.
The construction process of the power supply engineering voltage regulating system specifically comprises the following steps:
(1) pouring foundations of a first intelligent circuit breaker 11, a second intelligent circuit breaker 12, a first isolating switch 21, a second isolating switch 22, a first lightning arrester 31, a second lightning arrester 32, a first voltage transformer 41, a second voltage transformer 42, a voltage regulator 5 and a door-shaped electric pole 9, reserving an accident oil storage pool when the voltage regulator 5 foundation is poured, and installing a grid to isolate the accident oil storage pool from the voltage regulator foundation; and oil stains or accumulated water in the accident oil storage pool is discharged through the oil discharge pipe.
(2) On the basis, a first intelligent circuit breaker 11, a second intelligent circuit breaker 12, a first isolating switch 21, a second isolating switch 22, a first lightning arrester 31, a second lightning arrester 32, a first voltage transformer 41, a second voltage transformer 42, a voltage regulator 5 and a door-shaped electric pole 9 are installed and poured.
(3) Main loop wire connection: after the power cable 7 at the power supply side is laid to the first lightning arrester 31, the first isolating switch 21, the first voltage transformer 41, the first intelligent circuit breaker 11, the voltage regulator 5, the first isolating switch 21 and the second lightning arrester 32 are sequentially connected by adopting an insulated wire 6, and finally the power cable 7 at the load side is connected.
(4) And (3) connecting by-pass loop wires: after laying power cable 7 on the power supply side to first arrester 31, connecting to second intelligent circuit breaker 12 with insulated wire 6, building up to load side door type pole 9 in the overhead of voltage regulator 5 through power supply side door type pole 9, finally connecting to power cable 7 on the load side.
(5) The first intelligent circuit breaker and the second intelligent circuit breaker on two sides of the voltage regulator 5 are provided with intelligent controllers, have three remote control functions (remote signaling, remote measuring and remote control), can monitor the running state of the intelligent circuit breakers in real time in a remote automatic control system, and can realize the switching of a voltage regulating system by remotely controlling the switching-on and switching-off of the intelligent circuit breakers, thereby improving the working efficiency.
In summary, the voltage regulating system for power supply engineering according to the embodiment can enable the voltage regulating system to be disconnected from the power supply line in advance under the maintenance working condition, the fault working condition and the light load working condition of the line, and does not affect the normal operation of the line body. And the pressure regulating system has the functions of remote on-off and switching. Effectively increase pressure regulating system life, reduce because of the circuit power off time that pressure regulating system operation and maintenance overhauld and lead to, effectively improve operation and maintenance staff's work efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A power supply engineering voltage regulating system is characterized by comprising a main loop and a bypass loop, wherein the main loop comprises a first isolating switch (21), a first intelligent circuit breaker (11), a voltage regulator (5) and a second isolating switch (22) which are sequentially connected through a lead; a first lightning arrester (31) is connected to the power supply side of the first isolating switch (21), and a second lightning arrester (32) is connected to the load side of the second isolating switch (22);
the bypass circuit comprises a second intelligent circuit breaker (12), one end of the second intelligent circuit breaker (12) is connected with the power supply side of the first lightning arrester (31), and the other end of the second intelligent circuit breaker is connected with the load side of the second lightning arrester (32).
2. A power supply engineering voltage regulation system according to claim 1, characterized in that the voltage regulator (5) is arranged on the ground.
3. A power supply engineering voltage regulation system according to claim 1, characterized in that the first intelligent breaker (11) and the second intelligent breaker (12) are both mounted on a portal pole (9).
4. A voltage regulation system for power supply engineering according to claim 1, characterized in that the lower side of the base of the voltage regulator (5) is provided with an emergency oil reservoir.
5. A power supply engineering voltage regulating system according to claim 4, characterized in that a grid is arranged between the base of the voltage regulator (5) and the accident oil pool.
6. A power supply engineering voltage regulation system as claimed in claim 1 wherein the wire is an insulated wire.
7. The voltage regulating system for power supply engineering according to claim 1, wherein a voltage transformer is connected to each of the first intelligent circuit breaker (11) and the second intelligent circuit breaker (12).
8. The power supply engineering voltage regulating system according to claim 1, characterized in that the first intelligent circuit breaker (11) and the second intelligent circuit breaker (12) are provided with intelligent control devices, and are connected with an automatic control system of the whole power supply engineering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029990.6U CN216564518U (en) | 2021-12-02 | 2021-12-02 | Power supply engineering voltage regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029990.6U CN216564518U (en) | 2021-12-02 | 2021-12-02 | Power supply engineering voltage regulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216564518U true CN216564518U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123029990.6U Active CN216564518U (en) | 2021-12-02 | 2021-12-02 | Power supply engineering voltage regulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216564518U (en) |
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2021
- 2021-12-02 CN CN202123029990.6U patent/CN216564518U/en active Active
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