CN217882839U - Relay protection and fault information management system for pumped storage power station - Google Patents
Relay protection and fault information management system for pumped storage power station Download PDFInfo
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- CN217882839U CN217882839U CN202220948273.9U CN202220948273U CN217882839U CN 217882839 U CN217882839 U CN 217882839U CN 202220948273 U CN202220948273 U CN 202220948273U CN 217882839 U CN217882839 U CN 217882839U
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Abstract
The utility model provides a pumping storage power station relay protection and fault information management system, including relay protection and fault information management machine, relay protection system and fault recording system, relay protection system, fault recording system all adopt two star type hundred mega Ethernet framework; the relay protection system is connected with the fault recording system through a firewall; the relay protection and fault information management machine is directly connected to a main switch of the relay protection system; the relay protection system comprises an underground plant generator layer protection subsystem, an underground plant main transformer hole protection subsystem and a ground switch station protection subsystem. The utility model provides a take out and hold power station relay protection and fault information management system and combine the energy storage power station reality of drawing water, with relay protection device and trouble record ripples device net alone, it is associative through preventing hot wall, accord with "electric power monitored control system safety protection regulation" requirement.
Description
Technical Field
The utility model relates to a take out storage power station relay protection and fault information management system.
Background
The hydropower station relay protection and fault information management system is responsible for management work of protection devices and fault recording devices in a power station, acquires output information of each protection device and each fault recording device, including fault detection, system self-checking information, protection setting values, measurement values, record values, fault recording and the like, can issue the protection setting values and other information to each protection device, and can realize operations of protection function switching on/off, signal resetting and the like on a power station relay protection and fault information management machine. The system plays an important role in realizing management digitization and informatization of the relay protection device and ensuring reliable operation of electrical equipment in the station.
Generally, a relay protection and fault information management system for a pumped storage power station is provided with a relay protection and fault information management machine, a switch, a generator-transformer group protection device, a line protection device, a circuit breaker protection device, a cable protection device, a generator-transformer group fault recording device, a switching station fault recording device, a management machine and the like, which are connected to the switch through optical cables to form a power station relay protection and fault information network. The existing method has two problems:
1) And the collection range is not complete. Only part of information of protection devices in the scheduling jurisdiction is collected, and other protection devices such as a high-rise transformer substation protection device, an SFC input transformer substation protection device and a 10kV protection measurement and control device are not accessed, so that inconvenience is brought to operation management of a power station.
2) Network partitioning is not standard. According to the 14 th order of the State development and reform Committee, namely, the Power monitoring System safety protection Specification, a relay protection device is a control area device, a fault recording device is a non-control area device, and logic access control measures are required to be taken for the relay protection device and the fault recording device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take out storage power station relay protection and fault information management system to the not enough of existence among the prior art.
For this reason, the above-mentioned purpose of the present invention is achieved by the following technical solutions:
the utility model provides a take out storage power station relay protection and fault information management system which characterized in that: the relay protection and fault information management system of the pumping and storage power station comprises a relay protection and fault information management machine, a relay protection system and a fault recording system,
the relay protection system and the fault recording system both adopt a double star-type hundred-mega Ethernet architecture;
the relay protection system is connected with the fault recording system through a firewall;
the relay protection and fault information management machine is directly connected to a main switch of the relay protection system;
the relay protection system comprises an underground plant power generator layer protection subsystem, an underground plant main transformer hole protection subsystem and a ground switch station protection subsystem;
the system comprises an underground plant power generation layer protection subsystem, a power generation layer protection subsystem and a power generation layer protection subsystem, wherein the underground plant power generation layer protection subsystem comprises an underground plant power generation layer protection device communication sub-switch, a power generation protection device, a transformer protection device and a transformer non-electric quantity protection device;
the protection subsystem of the main transformer hole of the underground workshop comprises a main transformer hole sub-switch of the underground workshop, a 500kV cable protection device, a high-voltage station transformer protection device, an SFC input transformer protection device and a 10kV station power protection measurement and control device, wherein the main transformer hole sub-switch of the underground workshop is used for connecting the 500kV cable protection device, the high-voltage station transformer protection device, the SFC input transformer protection device and the 10kV station power protection and control device;
the ground switch station protection subsystem comprises a ground switch station sub-switch, a line protection device, a circuit breaker protection device and a 500kV cable protection device, wherein the ground switch station sub-switch is used for connecting the line protection device, the circuit breaker protection device and the 500kV cable protection device.
When adopting above-mentioned technical scheme, the utility model discloses can also adopt or make up and adopt following technical scheme:
as the utility model discloses a preferred technical scheme: and the generator layer protection subsystem of the underground plant, the main transformer hole protection subsystem of the underground plant and the relay protection device in the ground switch station protection subsystem are accessed to the sub-switch of the corresponding subsystem through a hundred-million switching type double-star industrial Ethernet.
As the utility model discloses a preferred technical scheme: 10 The kV station service power protection measurement and control device is provided with a bus sub-switch according to the bus section where the bus sub-switch is located, and the bus sub-switch is connected with a main transformer-hole sub-switch of an underground plant.
As the utility model discloses a preferred technical scheme: the communication sub-switch of the generator layer protection device of the underground workshop, the main transformer hole sub-switch of the underground workshop and the ground switch station sub-switch are connected with the protection device in the sub-system by adopting a shielding network cable,
as the utility model discloses an preferred technical scheme: the communication sub-switch of the generator layer protection device of the underground plant, the main hole sub-switch of the underground plant and the ground switch station sub-switch are connected with the main switch by single-mode optical fibers.
As the utility model discloses a preferred technical scheme: the fault recording system is independently networked with the hundred-million switching type double-star industrial Ethernet switch, the fault recording system comprises a main switch, an underground plant power generator layer sub-switch, a transformer group fault recording device and a switch station fault recording device, the transformer group fault recording device is connected with the main switch through the underground plant power generator layer sub-switch, and the switch station fault recording device is directly connected with the main switch.
As the utility model discloses a preferred technical scheme: the switching station fault recording device and the main switch are arranged in a cabinet and are connected by a network cable.
As the utility model discloses a preferred technical scheme: and the generator layer sub-switch of the underground plant is connected with the generator-transformer group fault recording device through a network cable.
As the utility model discloses an preferred technical scheme: and the generator layer sub-switch of the underground plant is connected with the main switch through a single-mode optical fiber.
As the utility model discloses a preferred technical scheme: the relay protection and fault information management machine is powered by UPS alternating current 220V.
The utility model provides a take out storage power station relay protection and fault information management system provides a network framework that is suitable for take out storage power station relay protection and fault information management system. And combining the reality of the pumped storage power station, independently networking the relay protection device and the fault recording device, and connecting the relay protection device and the fault recording device through a firewall to meet the requirements of safety protection regulations of power monitoring systems. Meanwhile, a network architecture of the system is connected with a high-voltage substation protection device, an SFC input substation protection device and a 10kV protection measurement and control device, so that comprehensive management of a power station relay protection device is facilitated, and the digital and information management level of the relay protection system is improved.
Drawings
Fig. 1 is the whole diagram of the system for managing relay protection and fault information in a pumped storage power station provided by the present invention.
Fig. 2 is a schematic representation of the generator floor protection subsystem of the underground plant of fig. 1.
FIG. 3 is a schematic representation of the main transformer cavern protection subsystem of the underground powerhouse of FIG. 1.
Fig. 4 is a diagrammatic view of the ground switching station protection subsystem of fig. 1.
Fig. 5 is a diagram of the fault recording system of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The installed capacity of a certain pumping and storage power station is 1200 MW, and 4 reversible pump water turbines/power generation motor units with the single machine capacity of 300 MW are installed in the power station. The generator and the transformer of the power station are connected in a unit, 2 groups of unit-transformer unit connection wires are respectively formed into a combined unit at the 500kV inlet side, and the combined unit is connected into a triangular connection wire with 2 inlet wires and 1 outlet wire. The generator motor, the transformer and the combined unit GIS are located in an underground workshop, and the switch station GIS is located on the ground and connected through a 500kV cable.
The network of the relay protection and fault information management system is generally configured according to network partitions of a relay protection system and a fault recording system, and the network adopts a double-star hundred-mega Ethernet architecture. The relay protection system is connected with the fault recording system through a firewall, and the relay protection and fault information management machine is directly connected to a main switch of the relay protection system.
The relay protection system is divided into an underground workshop generator layer protection subsystem, an underground workshop main transformer hole protection subsystem and a ground switch station protection subsystem, and relay protection devices in all subareas are connected to the switch of the corresponding subsystem in a 100 Mb/s exchange type double star industrial Ethernet mode.
The communication sub-switch of the generator layer protection device of the underground workshop is used for connecting a protection device of a generator A set from 1 to 4, a protection device of a generator B set, a protection device of a transformer A set, a protection device of a transformer B set and a protection device of a non-electric quantity of the transformer.
The main transformer hole sub-switch of the underground workshop is used for connecting a protection device A of a #1 and a #2 underground 500kV cable and a protection device B of a 500kV cable; the protection device comprises a protection device A set of high-voltage station transformer and a protection device B set of high-voltage station transformer of #1 and #2 and a non-electric quantity protection device of the high-voltage station transformer; the system comprises an SFC input transformer A set protection device, an SFC input transformer B set protection device, an SFC input transformer non-electric quantity protection device, 3 10kV auxiliary bus electronic switches and the like; the 10kV station service power is divided into three sections, each section of bus is provided with a sub-switch, 20 protection measurement and control devices on the first section of bus are connected into a #1 bus switch, 20 protection measurement and control devices on the second section of bus are connected into a #2 bus switch, and 10 protection measurement and control devices on the third section of security bus are connected into a #3 bus switch.
The ground switch station sub-switch is used for connecting a line protection A set device, a line protection B set device, a circuit breaker protection device, a #1, #2 ground 500kV cable A set protection device, a 500kV cable B set protection device and the like. The sub-switch is connected with the protection device by adopting a shielding network cable, and is connected with the main switch by adopting a single-mode optical fiber.
The fault wave recording device adopts a 100 Mb/s switching type double star industrial Ethernet switch to independently network, the sub-switches of the generator layers of the underground plant are connected with the fault wave recording devices of the groups from #1 to #4, the sub-switches of the generator layers of the underground plant are connected with the fault wave recording devices through network cables, and the sub-switches of the generator layers of the underground plant are connected with the main switch through single-mode optical fibers. The switching station fault recording device and the main switch are arranged in a cabinet and connected by a network cable.
The relay protection system is connected with the fault recording system through a firewall, and the relay protection and fault information management machine is connected to a main switch of the relay protection system and used for fault analysis, query, statistics, debugging diagnosis, setting value setting and real-time monitoring. Meanwhile, in order to ensure the reliability of the power supply, the power supply of the relay protection information management machine adopts UPS alternating current 220V for power supply.
The above embodiments are merely preferred technical solutions of the present invention, and it should be understood by those skilled in the art that modifications or substitutions of technical solutions or parameters in the embodiments can be made without departing from the principles and essential conditions of the present invention, and all the modifications or substitutions should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a pumped storage power station relay protection and fault information management system which characterized in that: the relay protection and fault information management system of the pumping and storage power station comprises a relay protection and fault information management machine, a relay protection system and a fault recording system,
the relay protection system and the fault recording system both adopt a double star-type hundred-mega Ethernet architecture;
the relay protection system is connected with the fault wave recording system through a firewall;
the relay protection and fault information management machine is directly connected to a main switch of the relay protection system;
the relay protection system comprises an underground plant power generator layer protection subsystem, an underground plant main transformer hole protection subsystem and a ground switch station protection subsystem;
the protection subsystem of the generator layer of the underground factory building comprises a communication sub-switch of the generator layer protection device of the underground factory building, a generator protection device, a transformer protection device and a non-electric quantity protection device of the transformer, wherein the communication sub-switch of the generator layer protection device of the underground factory building is used for connecting the generator protection device, the transformer protection device and the non-electric quantity protection device of the transformer;
the protection subsystem of the main transformer hole of the underground factory building comprises an underground factory building main transformer hole sub-switch, a 500kV cable protection device, a high-voltage station transformer protection device, an SFC input transformer protection device and a 10kV station power protection measurement and control device, wherein the underground factory building main transformer hole sub-switch is used for being connected with the 500kV cable protection device, the high-voltage station transformer protection device, the SFC input transformer protection device and the 10kV station power protection measurement and control device;
the ground switch station protection subsystem comprises a ground switch station sub-switch, a line protection device, a circuit breaker protection device and a 500kV cable protection device, wherein the ground switch station sub-switch is used for connecting the line protection device, the circuit breaker protection device and the 500kV cable protection device.
2. The pumped storage power station relay protection and fault information management system of claim 1, wherein: and the generator layer protection subsystem of the underground plant, the main transformer hole protection subsystem of the underground plant and the relay protection device in the ground switch station protection subsystem are accessed to the sub-switch of the corresponding subsystem through a hundred-million switching type double-star industrial Ethernet.
3. The pumped storage power station relay protection and fault information management system of claim 1, characterized in that: 10 The kV auxiliary power protection measurement and control device is provided with a bus sub-switch according to the bus section, and the bus sub-switch is connected with a main transformer-tunnel sub-switch of an underground workshop.
4. The pumped storage power station relay protection and fault information management system of claim 1, wherein: and the communication sub-switch of the generator layer protection device of the underground plant, the main transformer hole sub-switch of the underground plant, the ground switch station sub-switch and the protection device in the sub-system are connected by adopting a shielding network cable.
5. The pumped storage power station relay protection and fault information management system of claim 1 or 4, characterized in that: the communication sub-switch of the generator layer protection device of the underground plant, the main hole sub-switch of the underground plant and the ground switch station sub-switch are connected with the main switch by single-mode optical fibers.
6. The pumped storage power station relay protection and fault information management system of claim 1, characterized in that: the fault recording system is independently networked with the hundred-million switching type double-star industrial Ethernet switch, the fault recording system comprises a main switch, an underground plant power generator layer sub-switch, a transformer group fault recording device and a switch station fault recording device, the transformer group fault recording device is connected with the main switch through the underground plant power generator layer sub-switch, and the switch station fault recording device is directly connected with the main switch.
7. The pumped storage power station relay protection and fault information management system of claim 6, characterized in that: the switching station fault recording device and the main switch are arranged in a cabinet on one side and are connected through a network cable.
8. The pumped storage power station relay protection and fault information management system of claim 6, wherein: and the generator layer sub-switch of the underground plant is connected with the generator-transformer group fault recording device through a network cable.
9. The pumped storage power station relay protection and fault information management system of claim 6 or 8, characterized in that: and the generator layer sub-switch of the underground powerhouse is connected with the main switch through a single-mode optical fiber.
10. The pumped storage power station relay protection and fault information management system of claim 1, wherein: the relay protection and fault information management machine is powered by UPS alternating current 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220948273.9U CN217882839U (en) | 2022-04-22 | 2022-04-22 | Relay protection and fault information management system for pumped storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220948273.9U CN217882839U (en) | 2022-04-22 | 2022-04-22 | Relay protection and fault information management system for pumped storage power station |
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| Publication Number | Publication Date |
|---|---|
| CN217882839U true CN217882839U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220948273.9U Active CN217882839U (en) | 2022-04-22 | 2022-04-22 | Relay protection and fault information management system for pumped storage power station |
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| Country | Link |
|---|---|
| CN (1) | CN217882839U (en) |
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2022
- 2022-04-22 CN CN202220948273.9U patent/CN217882839U/en active Active
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