CN215419715U - Station-service electrical integrated control system - Google Patents
Station-service electrical integrated control system Download PDFInfo
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- CN215419715U CN215419715U CN202120991621.6U CN202120991621U CN215419715U CN 215419715 U CN215419715 U CN 215419715U CN 202120991621 U CN202120991621 U CN 202120991621U CN 215419715 U CN215419715 U CN 215419715U
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Abstract
The utility model discloses a plant electrical comprehensive control system which comprises a high-voltage side standby section bus, a high-voltage side I section bus, a high-voltage side II section bus, a low-voltage side standby section bus, a low-voltage side I section bus and a low-voltage side II section bus, wherein a first high-voltage side switch, a standby transformer and a first bus switch are connected between the high-voltage side standby section bus and the low-voltage side standby section bus, the high-voltage side I section bus is also connected with the low-voltage side standby section bus through the first low-voltage switch, and the high-voltage side II section bus is also connected with the low-voltage side standby section bus through a second low-voltage switch. The remarkable effects are as follows: if only one section of power supply is detected to lose power, the standby power supply can be put into operation, so that the standby power supply putting-in time is greatly saved, and the operation of the boiler and the steam turbine can be quickly recovered.
Description
Technical Field
The utility model relates to the technical field of control of station-service electrical equipment, in particular to a station-service electrical comprehensive control system.
Background
At present, most low-voltage 400V dark standby logics are not consistent with actual production conditions, and after a low-voltage 400V power supply loses power, equipment such as a coal feeder of a boiler stops running, so that stable operation of the boiler can be directly influenced. After power failure, an operator on duty is required to manually judge and search a fault point, so that the time for confirming that the low-voltage bus has no fault is too long, finally, the boiler and the steam turbine are stopped, the phenomenon of steam supply interruption for steam-consuming enterprises is caused, and the economic loss is difficult to estimate.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a station-service electric comprehensive control system, which can ensure that a standby power supply is automatically switched on when a section of power supply loses power by adding the standby power supply and a standby section bus in an electric primary system, greatly save the switching-in time of the standby power supply and quickly recover the operation of a boiler and a steam turbine.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an electrical integrated control system is used to factory which the key lies in: comprises a high-voltage side standby section bus, a high-voltage side I section bus, a high-voltage side II section bus, a low-voltage side standby section bus, a low-voltage side I section bus and a low-voltage side II section bus, a first high-voltage side switch, a standby transformer and a first bus switch are connected between the high-voltage side standby section bus and the low-voltage side standby section bus, a second high-voltage side switch, a first working transformer and a second bus switch are connected between the high-voltage side I section bus and the low-voltage side I section bus, a third high-voltage side switch, a second working transformer and a third bus switch are connected between the high-voltage side II section bus and the low-voltage side II section bus, the first section of the high-voltage side bus is also connected with a first isolation disconnecting link and a low-voltage side standby section bus through a first low-voltage switch, and the high-voltage side II section bus is also connected with a second isolation disconnecting link and the low-voltage side standby section bus through a second low-voltage switch.
Furthermore, a first service transformer is connected to the first section of high-voltage side bus, and the first service transformer supplies power to each device in the production workshop.
Furthermore, a first low-voltage transformer is connected to the first-section bus at the low-voltage side.
Furthermore, the second section of the high-voltage side bus is also connected with a second service transformer, and the second service transformer supplies power to each device in the production workshop.
Furthermore, a second low-voltage transformer is connected to the second section of low-voltage side bus.
The utility model has the following remarkable effects: the standby bus at the high-voltage side and the standby bus at the low-voltage side are arranged in the existing primary system, the existing bus at the first section at the low-voltage side and the existing bus at the second section at the low-voltage side are connected to the bus at the first section at the low-voltage side and the bus at the second section at the low-voltage side, a standby power supply can be put in as long as the power failure of one section of power supply is detected, the standby power supply is jumped when the power failure is a permanent failure, and the on-site inspection is carried out by an operator on duty under the condition that the normal operation of the other section of power supply is not influenced, and the further treatment is decided when the problem is found; and for the transformer fault or bus instantaneous fault, the standby power supply can be timely put into operation, so that the standby power supply putting-in time is greatly saved, and the operation of the boiler and the steam turbine can be quickly recovered.
Drawings
Fig. 1 is a circuit schematic of the present invention.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1, a plant electrical integrated control system comprises a high-voltage side spare section bus 1, a high-voltage side first section bus 2, a high-voltage side second section bus 3, a low-voltage side spare section bus 4, a low-voltage side first section bus 5 and a low-voltage side second section bus 6, wherein a first high-voltage side switch 7, a spare transformer 8 and a first bus switch 9 are connected between the high-voltage side spare section bus 1 and the low-voltage side spare section bus 4, a second high-voltage side switch 10, a first working transformer 11 and a second bus switch 12 are connected between the high-voltage side first section bus 2 and the low-voltage side first section bus 5, a third high-voltage side switch 13, a second working transformer 14 and a third bus switch 15 are connected between the high-voltage side second section bus 3 and the low-voltage side second section bus 6, the high-voltage side first section bus 2 is further connected with a first isolation knife switch 17 and the low-voltage side spare section bus 4 through a first low-voltage switch 16, the high-voltage side II-section bus 3 is also connected with a second isolation disconnecting link 19 and the low-voltage side standby section bus 4 through a second low-voltage switch 18, and the high-voltage side standby section bus 1 is also connected with a standby high-voltage transformer 20.
Preferably, the first factory transformer 21 is further connected to the first high-voltage side segment bus 2, the first factory transformer 21 supplies power to each device in the production workshop, and the first low-voltage transformer 22 is further connected to the first low-voltage side segment bus 5.
Preferably, the second section of high-voltage side bus 3 is further connected with a second service transformer 23, the second service transformer 23 supplies power to each device in the production workshop, and the second section of low-voltage side bus 6 is further connected with a second low-voltage transformer 24.
In the embodiment, a high-voltage side standby section bus 1 and a low-voltage side standby section bus 4 are arranged in an existing primary system, and a current low-voltage side I section bus 5 and a current low-voltage side II section bus 6 are connected to the low-voltage side I section bus 5 and the low-voltage side II section bus 6 in a point manner, a standby power supply can be switched in as long as the power loss of one section of power supply is detected, the standby power supply is jumped when a permanent fault occurs, on-site inspection is carried out by an operator on duty under the condition that the normal operation of the other section of power supply is not influenced, and further processing is determined when the problem is found; and for the transformer fault or bus instantaneous fault, the standby power supply can be timely put into operation, so that the standby power supply putting-in time is greatly saved, and the operation of the boiler and the steam turbine can be quickly recovered.
The technical scheme provided by the utility model is introduced in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an electrical integrated control system is used to mill which characterized in that: comprises a high-voltage side standby section bus, a high-voltage side I section bus, a high-voltage side II section bus, a low-voltage side standby section bus, a low-voltage side I section bus and a low-voltage side II section bus, a first high-voltage side switch, a standby transformer and a first bus switch are connected between the high-voltage side standby section bus and the low-voltage side standby section bus, a second high-voltage side switch, a first working transformer and a second bus switch are connected between the high-voltage side I section bus and the low-voltage side I section bus, a third high-voltage side switch, a second working transformer and a third bus switch are connected between the high-voltage side II section bus and the low-voltage side II section bus, the first section of the high-voltage side bus is also connected with a first isolation disconnecting link and a low-voltage side standby section bus through a first low-voltage switch, and the high-voltage side II section bus is also connected with a second isolation disconnecting link and the low-voltage side standby section bus through a second low-voltage switch.
2. The service electrical integrated control system according to claim 1, wherein: and the first section of bus at the high-voltage side is also connected with a first service transformer, and the first service transformer supplies power for each device in the production workshop.
3. The service electrical integrated control system according to claim 1 or 2, characterized in that: and a first low-voltage transformer is also connected to the I-section bus at the low-voltage side.
4. The service electrical integrated control system according to claim 1, wherein: and the second section of bus at the high-voltage side is also connected with a second service transformer, and the second service transformer supplies power for each device in the production workshop.
5. The service electrical integrated control system according to claim 1 or 4, wherein: and a second low-voltage transformer is also connected to the second section of low-voltage side bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120991621.6U CN215419715U (en) | 2021-05-11 | 2021-05-11 | Station-service electrical integrated control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120991621.6U CN215419715U (en) | 2021-05-11 | 2021-05-11 | Station-service electrical integrated control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215419715U true CN215419715U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120991621.6U Active CN215419715U (en) | 2021-05-11 | 2021-05-11 | Station-service electrical integrated control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215419715U (en) |
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2021
- 2021-05-11 CN CN202120991621.6U patent/CN215419715U/en active Active
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