CN110535243A - A kind of intelligent comprehensive protection supervisory equipment - Google Patents
A kind of intelligent comprehensive protection supervisory equipment Download PDFInfo
- Publication number
- CN110535243A CN110535243A CN201910915002.6A CN201910915002A CN110535243A CN 110535243 A CN110535243 A CN 110535243A CN 201910915002 A CN201910915002 A CN 201910915002A CN 110535243 A CN110535243 A CN 110535243A
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- China
- Prior art keywords
- circuit
- comprehensive protection
- supervisory equipment
- input circuit
- intelligent comprehensive
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention proposes a kind of intelligent comprehensive protection supervisory equipments, including working power, power input circuit, 8 Channel A/D Converters, 32 arm processors, On-off signal circuit, output switch parameter circuit, storage chip and man-machine interface, the input terminal of the working power is connected with power input circuit, the output end of the working power and 8 Channel A/D Converters, 32 arm processors are connected, 8 Channel A/D Converter, the output end in On-off signal circuit is connected with 32 arm processors, the input terminal of 8 Channel A/D Converter is connected with AC signal sampling loop, the output switch parameter circuit is connected with the output end of 32 arm processors, the storage chip, man-machine interface is connected with 32 arm processors.The measure and control device is applicable to substation, switchyard distribution system, provides perfect defencive function for primary equipments such as the inlet wire of 10kV route, feeder line, the breaker of plant stand, transformers.
Description
[technical field]
The present invention relates to the technical field of measure and control device, especially a kind of intelligent comprehensive protection supervisory equipment.
[background technique]
With deepening continuously for distribution network construction, Guo Wang company has newly worked out the construction object of modern first-class power distribution network, In
On the basis of the distribution network automated information-based overall architecture of New Generation of Intelligent, operation, regulation and fortune inspection are proposed to be distinctly claimed, together
When clearly propose in-depth on the spot type feeder automation application technology path.
The distribution automation method of operation of the city looped network in each province area is substantially based on concentrated at present, looped network room,
The station institute terminal D TU of switching station is integrated with that three is distant and the functions such as monitoring for protection.Since looped network station institute route number is more, DTU is synchronous
The scarce capacity of multichannel failure is handled, field environmental condition badly waits various factors, and institute's terminal of standing is either in malfunction monitoring
The rapidity that sensitivity still acts all is unable to satisfy actual needs；Model regions, investment protection are protected using DTU some
Outlet tripping, in line fault, appearance can not reliable trip, even result in the widened situation of fault coverage.In Practical Project
In, distribution terminal can only meet three distant or two distant automation basic functions, be unable to satisfy the demand automated on the spot, realize
Failure is isolated on the spot, guarantees the demand of the power supply reliability of looped network entirety, it is proposed that a kind of intelligent comprehensive protection supervisory equipment.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of intelligent comprehensive protection supervisory equipment is proposed, it can
Suitable for substation, switchyard distribution system, once set for inlet wire, feeder line, the breaker of plant stand, the transformer etc. of 10kV route
It is standby that perfect defencive function is provided.
To achieve the above object, the invention proposes a kind of intelligent comprehensive protection supervisory equipments, including working power, power supply
Input circuit, 8 Channel A/D Converters, 32 arm processors, On-off signal circuit, output switch parameter circuit, storage chip and
The input terminal of man-machine interface, the working power is connected with power input circuit, the output end of the working power and 8 channel AD
Converter, 32 arm processors are connected, at 8 Channel A/D Converter, the output end in On-off signal circuit and 32 ARM
Manage device be connected, the input terminal of 8 Channel A/D Converter is connected with AC signal sampling loop, the output switch parameter circuit and
The output end of 32 arm processors is connected, and the storage chip, man-machine interface are connected with 32 arm processors.
Preferably, the power input circuit includes AC power source input circuit, DC supply input circuit, AC/DC
Module, DC/DC module, the AC power source input circuit are connected by AC/DC module with working power, and the DC power supply is defeated
Entry loop is connected by DC/DC module with working power.
Preferably, the AC signal sampling loop further includes that 4 road alternating current input circuits, 4 road alternating voltages are defeated
Entry loop, 4 current transformers, 4 voltage transformers, the 4 road alternating current input circuit by 4 current transformers with
The input terminal of AC signal sampling loop is connected, and the 4 road alternating voltage input circuit is believed by 4 voltage transformers with exchanging
The input terminal of number sampling loop is connected.
Preferably, the On-off signal circuit includes 8 way switch amount input circuits, wire jumper configuration, 8 way switch
The input terminal for measuring input circuit is connected with wire jumper configuration, and the wire jumper is configured to active wire jumper configuration or the configuration of passive wire jumper,
Preceding 4 road and rear 4 tunnel of the 8 way switch amount input circuit individually carry out the apolegamy of active wire jumper configuration and the configuration of passive wire jumper.
Preferably, the output switch parameter circuit includes No. 4 relay output loops and 4 way switch amount output loops,
2 tunnels in No. 4 relay output loop are used for the separating brake and combined floodgate of control switch, and in addition 2 tunnels for host computer for providing
Alarm or status signal.
Preferably, further including 485 communication interface all the way, 485 communication interface with host computer for being communicated, institute
485 communication interfaces are stated to be connected by communication isolation circuit with 32 arm processors.
Preferably, further include LED display module, the output end phase of the LED display module and 32 arm processors
Even.
Preferably, the cabinet of the measure and control device includes cabinet framework, front panel and backboard, the front panel is integrally embedded in
The two sides of the antetheca of cabinet framework, the cabinet framework are buckled equipped with cabinet, and the backboard is installed on cabinet by cabinet buckle
The middle position of the rear wall of framework, the cabinet buckle offers guidance mounting groove, and cabinet snaps through fastener and is fixed on machine
The rear end of the side wall of cassette frame, the cabinet buckle is extended with the installation wing of bending, and the installation wing and backboard pass through fastener
It is fixedly connected.
Preferably, there are two the Europe that terminal base, the terminal base use plug-in type to lock with screw for tool on the backboard
Formula terminal.
Preferably, having liquid crystal display, keyboard and multiple LED state indicator lights on the front panel.
Beneficial effects of the present invention: the present invention can pass through real-time monitoring line current, voltage and some on-off models
The situation of route operation is obtained, judges whether route is in abnormality further according to current line conditions and setup parameter,
If route has failures, the protective devices such as short circuit, overcurrent or ground connection to be made and being made an immediate response according to setting time, for example control is opened
It puts capable tripping into, or actively issues alarm and action message to host computer, while carrying out corresponding information instruction with indicator light.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of functional block diagram of intelligent comprehensive protection supervisory equipment of the present invention；
Fig. 2 is a kind of three-dimensional structure diagram of intelligent comprehensive protection supervisory equipment of the present invention；
Fig. 3 is a kind of main view of intelligent comprehensive protection supervisory equipment of the present invention；
Fig. 4 is a kind of rearview of intelligent comprehensive protection supervisory equipment of the present invention.
[specific embodiment]
A kind of intelligent comprehensive protection supervisory equipment of the invention refering to fig. 1, including it is working power 1, power input circuit, 8 logical
2,32 arm processors 3 of road converter, On-off signal circuit, output switch parameter circuit, storage chip 6 and man-machine interface
7, the input terminal of the working power 1 is connected with power input circuit, the output end of the working power 1 and 8 channel AD conversion
2,32 arm processors 3 of device are connected, and 8 Channel A/D Converter 2, the output end in On-off signal circuit and 32 ARM are handled
Device 3 be connected, the input terminal of 8 Channel A/D Converter 2 is connected with AC signal sampling loop, the output switch parameter circuit and
The output end of 32 arm processors 3 is connected, and the storage chip 6, man-machine interface 7 and 32 arm processor 3 are connected.The electricity
Source input circuit includes AC power source input circuit, DC supply input circuit, AC/DC module, DC/DC module, the exchange
Power input circuit is connected by AC/DC module with working power, and the DC supply input circuit passes through DC/DC module and work
Make power supply to be connected.The AC signal sampling loop further include 4 road alternating current input circuits, 4 road alternating voltage input circuits,
4 current transformers, 4 voltage transformers, the 4 road alternating current input circuit are believed by 4 current transformers with exchanging
The input terminal of number sampling loop is connected, and the 4 road alternating voltage input circuit is sampled by 4 voltage transformers and AC signal
The input terminal in circuit is connected.
Further, the On-off signal circuit includes 8 way switch amount input circuits 4, wire jumper configuration, and 8 tunnel is opened
The input terminal of pass amount input circuit 4 is connected with wire jumper configuration, and the wire jumper is configured to active wire jumper configuration or passive wire jumper is matched
It sets, preceding 4 road and rear 4 tunnel of the 8 way switch amount input circuit 4 individually carry out the choosing of active wire jumper configuration and the configuration of passive wire jumper
Match.Using active and passive flexible apolegamy design, it is only necessary to carry out simple wire jumper, so that it may being customized apolegamy.Meet
The demand of different clients.
Further, the output switch parameter circuit includes No. 4 relay output loops 5 and 4 way switch amount output loops,
2 tunnels in No. 4 relay output loop 5 are used for the separating brake and combined floodgate of control switch, and in addition 2 tunnels for host computer for providing
Alarm or status signal.
It further, further include that 485 communication interface, 485 communication interface are led to for being communicated with host computer all the way
Letter specification is defaulted as MODBUS specification, can also match into IEC101 specification.485 communication interface passes through communication isolation circuit
It is connected with 32 arm processors 3.
It further, further include LED display module, the output end of the LED display module and 32 arm processors 3
It is connected.
Refering to Fig. 2 to Fig. 4, the cabinet of the measure and control device includes cabinet framework 100, front panel 101 and backboard 102, described
The antetheca of the whole coil insertion device cassette frame 100 of front panel 101, the two sides of the cabinet framework 100 are equipped with cabinet buckle 103, described
Backboard 102 is installed on the rear wall of cabinet framework 100 by cabinet buckle 103, and the middle position of the cabinet buckle 103 offers
Mounting groove 1030 is guided, cabinet buckle 103 is fixed on the side wall of cabinet framework 100 by fastener, the cabinet buckle 103
Rear end is extended with the installation wing 1031 of bending, and the installation wing 1031 is fixedly connected with backboard 102 by fastener.Cabinet can be adopted
, can also be placed longitudinally horizontal and vertical to adapt to laterally disposed, meet the installation requirements of different occasions.
Further, the cabinet framework 100 is Aluminum alloy tensile profile, and integrated oxidation spray is black, and the front panel 101 is adopted
With PC material, the outer ring of front panel 101 is equipped with resin center, and the backboard 102 is aluminium sheet, and oxidation spray is black.On the backboard 102
Tool had both met installation, had torn open there are two the European terminal that terminal base 1021, the terminal base 1021 are locked using plug-in type with screw
It unloads, requirement easy to maintain, also can guarantee being reliably connected for connector, prevent current open.There is liquid on the front panel 101
Crystal display screen 1011, keyboard 1012 and multiple LED state indicator lights 1013, display menu content is detailed, easy to operate to be illustrated.
The present invention uses high-performance 32-bit arm processor and 16 high-precision high conversion rate ADC, with real-time embedded more
Tasking operating system is software platform, has powerful data sampling and troubleshooting capability, meets the spirit of line fault monitoring
Quick property, rapidity and reliability requirement can be realized according to the operating condition of actual motion, flexible configuration operating parameter and control logic
Single-phase earthing, phase fault processing, can directly trip and cut off failure.It simultaneously can also be dynamic independent of communication network or main website
Make logic, can realize that monitoring, positioning, isolation and the non-faulting section of failure restore the function of power transmission on the spot.
Wherein, electric power loop inputs burdening mode using alternating current 220V input and direct current 48V, to meet use site difference
Demand, some scenes have 220V exchange accessory power supply, and have can only use ring network cabinet in existing DC power supply, generally
48V.When apolegamy exchange input, device relevant to AC power source is only filled.When matching direct current, only dress is related to DC power supply
Device.Power is 5W.Electric current input circuit uses stable state relay protection Current Transformer, and maximum can measure 80A, volume
In the case where determining 5A, 16 times can be overloaded and measured in short-term.And voltage then needs to carry out hardware configuration according to the parameter at scene.
To meet the needs of measurement accuracy.It altogether can be with 8 AC signals of synchro measure: ABC three-phase voltage and residual voltage, ABC tri-
Phase current and zero-sequence current.
On-off signal of the present invention can carry out the apolegamy of active input or passive input.8 way switch can at most be inputted
Amount.Preceding 4 road and rear 4 tunnel can individually carry out active and passive apolegamy.When switching value is active signal, in protective device not
Band remote signalling power supply, the public power supply low side for being terminated with source signal of remote signalling.When switching value is passive contact point signal, in protective device
Remote signalling power supply is provided.Remote signalling power supply is high-end in the public termination protective device of remote signalling.8 tunnels can be configured to active remote signalling simultaneously,
It can also be configured to passive remote signalling simultaneously.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of intelligent comprehensive protection supervisory equipment, it is characterised in that: including working power (1), power input circuit, 8 channels
Converter (2), 32 arm processors (3), On-off signal circuit, output switch parameter circuit, storage chip (6) and man-machine
The input terminal at interface (7), the working power (1) is connected with power input circuit, the output end and 8 of the working power (1)
Channel A/D Converter (2), 32 arm processors (3) are connected, 8 Channel A/D Converter (2), On-off signal circuit it is defeated
Outlet is connected with 32 arm processors (3), input terminal and the AC signal sampling loop phase of 8 Channel A/D Converter (2)
Even, the output switch parameter circuit is connected with the output end of 32 arm processors (3), the storage chip (6), man-machine interface
(7) it is connected with 32 arm processors (3).
2. a kind of intelligent comprehensive protection supervisory equipment as described in claim 1, it is characterised in that: the power input circuit packet
Include AC power source input circuit, DC supply input circuit, AC/DC module, DC/DC module, the AC power source input circuit
It is connected by AC/DC module with working power, the DC supply input circuit is connected by DC/DC module with working power.
3. a kind of intelligent comprehensive protection supervisory equipment as described in claim 1, it is characterised in that: the AC signal samples back
Road further includes 4 road alternating current input circuits, 4 road alternating voltage input circuits, 4 current transformers, 4 voltage transformers,
The 4 road alternating current input circuit is connected by 4 current transformers with the input terminal of AC signal sampling loop, and described 4
Road alternating voltage input circuit is connected by 4 voltage transformers with the input terminal of AC signal sampling loop.
4. a kind of intelligent comprehensive protection supervisory equipment as described in claim 1, it is characterised in that: the On-off signal circuit
It is configured including 8 way switch amount input circuits (4), wire jumper, the input terminal and wire jumper of the 8 way switch amount input circuit (4) configure
It is connected, the wire jumper is configured to active wire jumper configuration or passive wire jumper configures, and preceding the 4 of the 8 way switch amount input circuit (4)
Road and rear 4 tunnel individually carry out the apolegamy of active wire jumper configuration and the configuration of passive wire jumper.
5. a kind of intelligent comprehensive protection supervisory equipment as described in claim 1, it is characterised in that: the output switch parameter circuit
Including No. 4 relay output loops (5) and 4 way switch amount output loops, 2 tunnels in No. 4 relay output loop (5) are used
In the separating brake and combined floodgate of control switch, in addition 2 tunnels are used to provide alarm or status signal for host computer.
6. a kind of intelligent comprehensive protection supervisory equipment as described in claim 1, it is characterised in that: further include 485 communication all the way
Interface, for 485 communication interface for being communicated with host computer, 485 communication interface passes through communication isolation circuit and 32
Position arm processor (3) is connected.
7. a kind of intelligent comprehensive protection supervisory equipment as described in claim 1, it is characterised in that: it further include LED display module,
The LED display module is connected with the output end of 32 arm processors (3).
8. a kind of intelligent comprehensive protection supervisory equipment as described in claim 1, it is characterised in that: the cabinet packet of the measure and control device
Cabinet framework (100), front panel (101) and backboard (102) are included, the whole coil insertion device cassette frame (100) of the front panel (101)
Antetheca, the two sides of the cabinet framework (100) are equipped with cabinet buckle (103), and the backboard (102) buckles (103) by cabinet
It is installed on the rear wall of cabinet framework (100), the middle position of the cabinet buckle (103) offers guidance mounting groove (1030),
Cabinet buckle (103) is fixed on the side wall of cabinet framework (100) by fastener, and the rear end of the cabinet buckle (103) extends
There is the installation wing (1031) of bending, the installation wing (1031) is fixedly connected with backboard (102) by fastener.
9. a kind of intelligent comprehensive protection supervisory equipment as claimed in claim 8, it is characterised in that: have on the backboard (102)
There are two terminal base (1021), European terminal that the terminal base (1021) uses plug-in type to lock with screw.
10. a kind of intelligent comprehensive protection supervisory equipment as claimed in claim 8, it is characterised in that: on the front panel (101)
With liquid crystal display (1011), keyboard (1012) and multiple LED state indicator lights (1013).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910915002.6A CN110535243A (en) | 2019-09-26 | 2019-09-26 | A kind of intelligent comprehensive protection supervisory equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910915002.6A CN110535243A (en) | 2019-09-26 | 2019-09-26 | A kind of intelligent comprehensive protection supervisory equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110535243A true CN110535243A (en) | 2019-12-03 |
Family
ID=68670266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910915002.6A Pending CN110535243A (en) | 2019-09-26 | 2019-09-26 | A kind of intelligent comprehensive protection supervisory equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110535243A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003069A (en) * | 2020-07-13 | 2020-11-27 | 深圳供电局有限公司 | Protection measurement and control device and system |
| CN112821359A (en) * | 2020-12-25 | 2021-05-18 | 深圳供电局有限公司 | Protection system for power line, circuit breaker, and protection method for power line |
-
2019
- 2019-09-26 CN CN201910915002.6A patent/CN110535243A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003069A (en) * | 2020-07-13 | 2020-11-27 | 深圳供电局有限公司 | Protection measurement and control device and system |
| CN112003069B (en) * | 2020-07-13 | 2022-04-26 | 深圳供电局有限公司 | Protection measurement and control device and system |
| CN112821359A (en) * | 2020-12-25 | 2021-05-18 | 深圳供电局有限公司 | Protection system for power line, circuit breaker, and protection method for power line |
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