CN211239328U - Distribution lines relay protection device of transformer substation - Google Patents
Distribution lines relay protection device of transformer substation Download PDFInfo
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- CN211239328U CN211239328U CN202020264359.0U CN202020264359U CN211239328U CN 211239328 U CN211239328 U CN 211239328U CN 202020264359 U CN202020264359 U CN 202020264359U CN 211239328 U CN211239328 U CN 211239328U
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Abstract
The utility model relates to a distribution lines relay protection device of transformer substation belongs to distribution lines relay protection control technical field, is a distribution lines relay protection device of transformer substation of wireless transmission trouble data information. The device comprises a transmitting part and a receiving part, wherein the transmitting part is provided with a shell, a circuit board is arranged in the shell, and a relay protection measurement and control unit, a wireless transmission unit and a fault data transmitting functional unit are arranged on the circuit board; the receiving part is a master control host and a data receiving terminal which are in wired or wireless connection with the sending part; the relay protection measurement and control unit is connected with the fault data sending functional unit, the fault data sending functional unit is connected with the wireless transmission unit, and the measurement and control fault data are sent to the master control host and the data receiving terminal. The method greatly shortens the learning time of fault data, shortens the time for emergency repair preparation work and emergency treatment work of each professional, and greatly improves social benefits.
Description
Technical Field
The utility model relates to a distribution lines relay protection device of transformer substation belongs to distribution lines relay protection control technical field, is a distribution lines relay protection device of transformer substation of wireless transmission trouble data information.
Background
When a line fault trips, the current substation distribution line relay protection device transmits fault information in two types: one is that protective device information is transmitted to a substation master control through 485 or optical fibers to send a fault signal, the device records fault data, the master control finally sends the fault signal to a dispatching department through a D5000 system, and a dispatching attendant issues the fault signal and a maintenance instruction to maintenance and operation personnel; the other method is that the protection device information is wirelessly transmitted to a substation master controller to send a fault signal, the device records fault data, the master controller finally sends the fault signal to a dispatching department through a D5000 system, and a dispatching attendant issues the fault signal and a maintenance instruction to maintenance and operation personnel.
The two methods have the biggest defect that no matter a dispatcher, a maintenance and an operator know signals (such as a line quick-break action and a line overcurrent action), fault data (such as fault current, fault voltage and fault time) cannot be mastered in time, a substation device needs to be called to read fault records on site to know, and the requirements on the rapidity and the accuracy of the current maintenance are different. Meanwhile, when the maintenance operator arrives at the site, manpower and material resources are wasted, the fault clearing time is prolonged, the power failure time is prolonged, the power consumption of the user is influenced, the power supply amount is reduced, and certain economic influence is brought to the user and an enterprise.
The D5000 system in the utility model is a new generation of basic platform of the intelligent power grid dispatching technology support system, integrates various data such as dispatching plans, water conditions, meteorological changes and the like, and can perform comprehensive analysis; in the past, a dispatching control center needs to maintain data of a plurality of platforms, and only one set of data needs to be maintained after a D5000 system is used.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned weak point provide a distribution lines relay protection device and protection method of transformer substation, realize distribution lines relay protection measurement and control device's wireless data transmission, this method is simple and easy, and fault data information transmission process and time that can significantly reduce bring certain economic benefits and social for power supply enterprise, user and society.
The utility model discloses an adopt following technical scheme to realize:
the relay protection device for the distribution line of the transformer substation comprises a transmitting part and a receiving part, wherein the transmitting part is provided with a shell, a circuit board is arranged in the shell, and a relay protection measurement and control unit, a wireless transmission unit and a fault data transmitting functional unit are arranged on the circuit board; the receiving part is a master control host and a data receiving terminal machine which are in wired or wireless connection with the sending part, the master control host is arranged in a master control room, and the data receiving terminal machine is respectively arranged in a scheduling department, an overhaul department, an operation and maintenance department and a leader department.
The relay protection measurement and control unit is connected with the fault data sending functional unit, the fault data sending functional unit is connected with the wireless transmission unit, and the measurement and control fault data are sent to the master control host and the data receiving terminal.
The master control host and the data receiving terminal can also transmit data through a wireless communication module, and the wireless communication module adopts a wireless communication module sold in the market.
The relay protection measurement and control unit adopts a commercially available MTC-3 measurement and control unit and is responsible for all processes of collecting various data and outputting control, and the collected data are uploaded to the data receiving terminal and the host. The MTC-3 measurement and control unit is a distributed control and protection system and integrates five functions of protection, remote control, remote measurement, remote signaling and remote regulation; the protection and monitoring are relatively independent and organically combined, hardware resources are fully utilized, the integrity and the independence of relay protection are guaranteed, and the device is ideal type selection equipment for comprehensive automation of a 110(35) kV transformer substation.
A measurement and control protection method of a relay protection measurement and control device of a distribution line of a transformer substation comprises the following steps:
1) working with a host;
1-1) when the relay protection measurement and control unit works, the detected fault data is transmitted to a host computer in a wired or wireless mode;
1-2) the host informs a dispatcher and sends an instruction of maintenance or operation to the dispatcher;
2) working cooperatively with the data receiving terminal;
1-1) when the relay protection measurement and control unit works, the detected fault data is transmitted to a data receiving terminal machine in a wireless mode through a fault transmitting functional unit;
1-2) when the data receiving terminal machine is arranged in a dispatching department, after receiving the information, a dispatcher contacts with an operator, a maintainer and a responsible leader to perform next fault treatment;
when the data receiving terminal machine is arranged in a maintenance department, a maintenance worker can timely process the fault after receiving the information;
when the data receiving terminal is arranged in an operation maintenance department, operation and maintenance personnel receive the information and then issue a protection action starting instruction aiming at the fault condition, and the instruction timely informs maintainers, scheduling personnel and leaders in charge;
and when the data receiving terminal machine is arranged in the leader department, the leader can know the fault condition at the first time after receiving the information.
The wireless transmission unit adopts a commercially available Exynos Modem5100 (Modem) to support a 4G/5G power private network.
The fault data sending functional unit adopts a PCS-9611D type line protection measurement and control device produced by Nanjing Reyangbao electric company Limited and is provided with a CPU unit and an Exynos Modem5100 transmission unit.
The data receiving terminal adopts a handset with an unlimited sending and receiving function sold in the market.
The utility model has the advantages that:
the utility model discloses there are two ways to protect the measurement and control device to send trouble information, the first way is the same with original trouble transmission, keeps the unchangeable flow, namely the device-always controls-D5000 system-dispatch- (send the order to maintenance, operation by the dispatcher) -the maintenance operation personnel sees the data on the spot; in the second approach, the protection measurement and control device simultaneously sends the fault data recorded by the device to specific relevant personnel (a dispatcher, a maintainer, an operator, a leader and N clients holding the data receiving terminal). The method greatly shortens the learning time of fault data, shortens the time for emergency repair preparation work and emergency treatment work of each professional, and greatly improves social benefits.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a block structure diagram of the device of the present invention;
FIG. 2 is a schematic diagram of the protection action start fault data signaling of the method of the present invention;
fig. 3 is a schematic block diagram of a transmission path of fault data when the device of the present invention is in use.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1 to 3 and the specific embodiments.
Referring to the attached figure 1, the utility model discloses a distribution line relay protection device of transformer substation includes a transmitting part and a receiving part, the transmitting part has a shell, a circuit board is arranged in the shell, a relay protection measurement and control unit, a wireless transmission unit and a fault data transmitting function unit are arranged on the circuit board; the receiving part is a master control host and a data receiving terminal machine which are in wired or wireless connection with the sending part, the master control host is arranged in a master control room, and the data receiving terminal machine is respectively arranged in a scheduling department, an overhaul department, an operation and maintenance department and a leader department. The relay protection measurement and control unit is connected with the fault data sending functional unit, the fault data sending functional unit is connected with the wireless transmission unit, and the measurement and control fault data are sent to the master control host and the data receiving terminal. The master control host and the data receiving terminal can also transmit data through wireless communication.
Referring to the attached drawing 2, the utility model discloses the device moves, send a trip signal (protection action) after distribution lines trouble tripping operation, observe and control the unit and give fault data transmission functional unit with this signal transmission, transmit the content among the protection device for data receiving terminal machine (promptly aforementioned dispatcher, the handheld machine of department such as maintainer) through the wireless transmission unit by fault data transmission functional unit, will receive fault data SMS file on data receiving terminal machine, relevant technical staff just obtains the fault data content the same with on-the-spot protection device like this, save the time of removing device department, the more quick scene of putting into trouble is arranged and is gone.
Fig. 3 is a schematic block diagram of the transmission path of the fault data when the device is used, i.e. the device is also applied to the utility model, and then the fault signal is transmitted and processed by the flow chart. Because the utility model discloses the communication mode of device has wired and wireless two kinds of functions, as the dispatcher of power company central command system, on the one hand through original wired intranet with the protection signal (do not contain the protection data) pass through D5000 system to the dispatch table, by the warning of D5000 system, inform the dispatcher, the dispatcher gives out the electric wire netting according to the signal that the D5000 system transmitted and salvages the order; on the other hand, the fault data sending function unit sends the fault data content to the operation, maintenance and dispatching personnel and the data receiving terminal machine responsible for leading the corresponding fault data through the wireless 4G/5G network through the wireless transmission unit, so that the fault data is instantly notified to the relevant personnel, the fault can be timely processed, the fault processing flow is shortened, the power supply recovery time is shortened, and the power supply reliability and the power grid operation economy are improved.
Claims (3)
1. The utility model provides a distribution lines relay protection device of transformer substation which characterized in that: the device comprises a transmitting part and a receiving part, wherein the transmitting part is provided with a shell, a circuit board is arranged in the shell, and a relay protection measurement and control unit, a wireless transmission unit and a fault data transmitting functional unit are arranged on the circuit board; the receiving part is a master control host and a data receiving terminal machine which are in wired or wireless connection with the sending part, the master control host is arranged in a master control room, and the data receiving terminal machine is respectively arranged in a scheduling department, a maintenance department, an operation and maintenance department and a leader department;
the relay protection measurement and control unit is connected with the fault data sending functional unit, the fault data sending functional unit is connected with the wireless transmission unit, and the measurement and control fault data are sent to the master control host and the data receiving terminal.
2. The substation distribution line relay protection device of claim 1, characterized in that: and the master control host and the data receiving terminal transmit data through the wireless communication module.
3. The substation distribution line relay protection device according to claim 1 or 2, characterized in that: the relay protection measurement and control unit adopts an MTC-3 measurement and control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264359.0U CN211239328U (en) | 2020-03-06 | 2020-03-06 | Distribution lines relay protection device of transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264359.0U CN211239328U (en) | 2020-03-06 | 2020-03-06 | Distribution lines relay protection device of transformer substation |
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| CN211239328U true CN211239328U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020264359.0U Active CN211239328U (en) | 2020-03-06 | 2020-03-06 | Distribution lines relay protection device of transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111181141A (en) * | 2020-03-06 | 2020-05-19 | 国网江苏省电力有限公司沭阳县供电分公司 | Relay protection device and method for distribution line of transformer substation |
-
2020
- 2020-03-06 CN CN202020264359.0U patent/CN211239328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111181141A (en) * | 2020-03-06 | 2020-05-19 | 国网江苏省电力有限公司沭阳县供电分公司 | Relay protection device and method for distribution line of transformer substation |
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