CN107769162A - Generator protection tripgear based on 3/2 wiring condition power plant - Google Patents
Generator protection tripgear based on 3/2 wiring condition power plant Download PDFInfo
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- CN107769162A CN107769162A CN201711176182.8A CN201711176182A CN107769162A CN 107769162 A CN107769162 A CN 107769162A CN 201711176182 A CN201711176182 A CN 201711176182A CN 107769162 A CN107769162 A CN 107769162A
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- 239000013307 optical fiber Substances 0.000 claims abstract description 72
- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 230000005611 electricity Effects 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
- H02H1/0069—Details of emergency protective circuit arrangements concerning transmission of signals by means of light or heat rays
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to power plant generator protection technical field, it is a kind of generator protection tripgear based on 3/2 wiring condition power plant, its the first G-T protective device, first group of outlet of transformer unit non-electricity protecting device, the first group of outlet of first high voltage startup spare transformer protection device and high voltage startup spare transformer non-electricity protecting device electrically connects with the first optical fiber transmission module, first optical fiber transmission module and the 3rd optical fiber transmission module communicate to connect, 3rd optical fiber transmission module electrically connects with the first via trip(ping) circuit TJR contacts of transformer unit primary cut-out control box and the first via trip(ping) circuit TJR contacts of high voltage startup spare transformer breaker operation cabinet respectively.Reasonable and compact in structure of the present invention; it is easy to use; make use of fiber optic communication to solve the problems, such as that the tripping operation cable of conventional G-T protective device to breaker operation cabinet is long causes generator maloperation lock, and trip(ping) circuit is not scurried into by cable distance length and direct current single-point grounding or exchange is influenceed.
Description
Technical field
The present invention relates to power plant generator protection technical field, is that a kind of unit based on 3/2 wiring condition power plant is protected
Protect tripgear.
Background technology
In the power plant of 3/2 mode of connection, breaker operation cabinet configuration is in the protection room of booster stations, and booster stations net is protected
Protect the distance between room and unit farther out.Generator protection is tripped, and the action outlet of generator protection is usually connected to breaker behaviour
Make on case TJR relays, realize tripping operation.The recurrent multiple generator maloperation lock event of state is shown in the process, is mostly
Because caused by the tripping operation cable of G-T protective device to breaker operation cabinet is long, G-T protective device to breaker is grasped
It is long to make case secondary trip cable, one point earth occurs or exchanges to scurry into direct current to cause protection misoperation, can typically divide
For 3 kinds of situations：1）When the positive and negative electrode voltage of straight-flow system exist over the ground skew when, one point earth occurs in straight-flow system
Moment, protection misoperation may be caused；2）When straight-flow system positive and negative electrode voltage pulsation is too big, occur a bit in straight-flow system
The moment of ground connection, protection misoperation may be caused；3）When there is AC power to scurry into straight-flow system positive pole or negative pole, Ke Nengyin
Play protection misoperation.
The problem of for finding, part electricity power enterprise is transformed secondary circuit, and the relay in control box is changed
Into high power relay, or high power relay is additionally arranged at G-T protective device, then high power relay
The convergence control cabinet that auxiliary contact are connected to switchyard realizes tripping operation.But this way can not tackle the problem at its root, if big work(
Rate relay is placed at G-T protective screen, may be divided because long from high power relay to the cable of booster stations convergence control cabinet
Press through greatly, cause the operation voltage of breaker to be in critical condition and the phenomenon of non-three phase or scaling loss auxiliary contact occur, such as
Fruit high power relay is placed on the control box screen cabinet of booster stations protection room, may be because long-distance cable is in direct current single-point grounding moment
Electric capacity discharge power is excessive and causes false protection to trip.
The content of the invention
The invention provides a kind of generator protection tripgear based on 3/2 wiring condition power plant, overcome above-mentioned existing
There is the deficiency of technology, it can be effectively solved in the power plant of 3/2 mode of connection, G-T protective device be present and grasped to breaker
Make that the tripping operation cable of case is long, the problem of being easily caused generator maloperation lock.
The technical scheme is that realized by following measures：A kind of machine based on 3/2 wiring condition power plant
Group trip protection device, including the first G-T protective device installed in generator protection room, the second G-T protective device, the
One high voltage startup spare transformer protection device, the second high voltage startup spare transformer protection device, the standby transformation of high voltage startup
Device non-electricity protecting device, transformer unit non-electricity protecting device, the first optical fiber transmission module and the second optical fiber transmission module, and peace
Mounted in the 3rd indoor optical fiber transmission module of booster stations protection, the 4th optical fiber transmission module, transformer unit primary cut-out control box
With high voltage startup spare transformer breaker operation cabinet, the protection act contact of the first G-T protective device, transformer unit
First group of outlet of non-electricity protecting device, the protection act contact and high pressure of the first high voltage startup spare transformer protection device
Start the first group of outlet of spare transformer non-electricity protecting device to electrically connect with the first optical fiber transmission module, the transmission of the first optical fiber
Module and the 3rd optical fiber transmission module communicate to connect, the 3rd optical fiber transmission module respectively with transformer unit primary cut-out control box
The first via trip(ping) circuit TJR contacts of first via trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker operation cabinet
Electrical connection, second group of outlet of the protection act contact, transformer unit non-electricity protecting device of the second G-T protective device,
Protection act contact and high voltage startup spare transformer the non-ionizing energy loss dress of second high voltage startup spare transformer protection device
Put second group of outlet to electrically connect with the second optical fiber transmission module, the second optical fiber transmission module communicates with the 4th optical fiber transmission module
Connection, the 4th optical fiber transmission module the second tunnel trip(ping) circuit TJR contacts and height with transformer unit primary cut-out control box respectively
Pressure starts the second tunnel trip(ping) circuit TJR contacts electrical connection of spare transformer breaker operation cabinet.
Here is the further optimization and/or improvements to foregoing invention technical scheme：
Above-mentioned first optical fiber transmission module may include the first fibre-optic interface device, the first PCM equipment and the first SDH equipment, first
Protection act contact, first group of outlet of transformer unit non-electricity protecting device, the first high voltage startup of G-T protective device are standby
It is equal with the protection act contact and the first group of outlet of high voltage startup spare transformer non-electricity protecting device of protection equipment for transformer
Electrically connected with the first fibre-optic interface device, the first fibre-optic interface device is connected with the first PCM equipment communications, the first PCM equipment with
First SDH equipment communicates to connect.
Above-mentioned 3rd optical fiber transmission module may include the 3rd fibre-optic interface device, the 3rd PCM equipment and the 3rd SDH equipment,
First SDH equipment is communicated to connect with the 3rd SDH equipment, and the 3rd SDH equipment is connected with the 3rd PCM equipment communications, the 3rd PCM equipment
With the 3rd fibre-optic interface device communicate to connect, the 3rd fibre-optic interface device respectively with transformer unit primary cut-out control box first
The first via trip(ping) circuit TJR contacts of road trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker operation cabinet are electrically connected
Connect.
Above-mentioned second optical fiber transmission module may include the second fibre-optic interface device, the 2nd PCM equipment and the second SDH equipment,
The protection act contact of second G-T protective device, second group of outlet of transformer unit non-electricity protecting device, the second high pressure open
Second group of the protection act contact and high voltage startup spare transformer non-electricity protecting device of dynamic spare transformer protection device go out
Mouth is electrically connected with the second fibre-optic interface device, and the second fibre-optic interface device is connected with the 2nd PCM equipment communications, and the 2nd PCM is set
It is standby to be communicated to connect with the second SDH equipment.
Above-mentioned 4th optical fiber transmission module may include the 4th fibre-optic interface device, the 4th PCM equipment and the 4th SDH equipment,
Second SDH equipment is communicated to connect with the 4th SDH equipment, and the 4th SDH equipment is connected with the 4th PCM equipment communications, the 4th PCM equipment
With the 4th fibre-optic interface device communicate to connect, the 4th fibre-optic interface device respectively with transformer unit primary cut-out control box second
Second tunnel trip(ping) circuit TJR contacts of road trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker operation cabinet are electrically connected
Connect.
Between above-mentioned first fibre-optic interface device and the first PCM equipment, the second fibre-optic interface device and the 2nd PCM equipment it
Between, can lead between the 4th fibre-optic interface device and the 4th PCM equipment between the 3rd fibre-optic interface device and the 3rd PCM equipment
Cross twisted-pair communication connection.
Between above-mentioned first PCM equipment and the first SDH equipment, between the 2nd PCM equipment and the second SDH equipment, the 3rd PCM
It can be communicated to connect between equipment and the 3rd SDH equipment between the 4th PCM equipment and the 4th SDH equipment by tail optical fiber.
It can pass through between above-mentioned first SDH equipment and the 3rd SDH equipment, between the second SDH equipment and the 4th SDH equipment
Fiber optic cable communications connect.
The present invention is become the first G-T protective device, hair by the first optical fiber transmission module and the 3rd optical fiber transmission module
Group non-electricity protecting device, the first high voltage startup spare transformer protection device and high voltage startup spare transformer non-ionizing energy loss
The first via trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker of device and transformer unit primary cut-out control box
The first via trip(ping) circuit TJR contacts electrical connection of control box, so as to realize trip operation, passes through the second optical fiber transmission module and the
Four optical fiber transmission modules are by the second G-T protective device, transformer unit non-electricity protecting device, the standby transformation of the second high voltage startup
Second tunnel of device protection device and high voltage startup spare transformer non-electricity protecting device and transformer unit primary cut-out control box
Second tunnel trip(ping) circuit TJR contacts of trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker operation cabinet electrically connect,
So as to realize trip operation, therefore the present invention effectively make use of fiber optic communication to solve conventional G-T protective device to open circuit
Tripping operation cable long the problem of causing generator maloperation lock of device control box, make trip(ping) circuit not by cable distance length and direct current one
The influence that point ground connection or exchange are scurried into, can accurately and effectively carry out trip operation, protect the circuit safety in power plant.
Brief description of the drawings
Accompanying drawing 1 is the electrical block diagram of preferred embodiment.
Accompanying drawing 2 is the optical fiber transmission module power supply circuit construction schematic diagram of preferred embodiment.
Embodiment
The present invention is not limited by following embodiments, can technique according to the invention scheme and actual conditions it is specific to determine
Embodiment.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in accompanying drawing 1,2, the generator protection tripgear based on 3/2 wiring condition power plant is somebody's turn to do, including protect installed in unit
Protect the first G-T protective device of room, the second G-T protective device, the first high voltage startup spare transformer protection device, the
Two high voltage startup spare transformer protection devices, high voltage startup spare transformer non-electricity protecting device, transformer unit non electrical quantity are protected
Protection unit, the first optical fiber transmission module and the second optical fiber transmission module, and passed installed in the 3rd indoor optical fiber of booster stations protection
Defeated module, the 4th optical fiber transmission module, transformer unit primary cut-out control box and high voltage startup spare transformer breaker operator
Case, the protection act contact of the first G-T protective device, first group of outlet, first of transformer unit non-electricity protecting device
The protection act contact and high voltage startup spare transformer non-electricity protecting device of high voltage startup spare transformer protection device
One group of outlet electrically connects with the first optical fiber transmission module, the first optical fiber transmission module and the 3rd optical fiber transmission module communication link
Connect, the 3rd optical fiber transmission module first via trip(ping) circuit TJR contacts and high pressure with transformer unit primary cut-out control box respectively
Start the first via trip(ping) circuit TJR contacts electrical connection of spare transformer breaker operation cabinet, the second G-T protective dress
Second group of outlet, the protection of the second high voltage startup spare transformer of the protection act contact, transformer unit non-electricity protecting device put
Second group of outlet of protection act contact and high voltage startup spare transformer non-electricity protecting device of device passes with the second optical fiber
Defeated module electrical connection, the second optical fiber transmission module and the 4th optical fiber transmission module communicate to connect, the 4th optical fiber transmission module difference
With the second tunnel trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker operator of transformer unit primary cut-out control box
The second tunnel trip(ping) circuit TJR contacts electrical connection of case.
This first G-T protective device, the second G-T protective device, the first high voltage startup spare transformer protection dress
Put, the second high voltage startup spare transformer protection device, high voltage startup spare transformer non-electricity protecting device, transformer unit non-electrical
Amount protection device, transformer unit primary cut-out control box and high voltage startup spare transformer breaker operation cabinet are existing known
Technology.Because the high voltage startup spare transformer protection device in generator protection room has two sets of electric quantity protective devices and a set of non-
Electric quantity protective device, G-T protective device also have two sets of electric quantity protective devices and a set of non-electricity protecting device, therefore unit
The indoor unjacketed optical fiber transport module of configuration two is protected, corresponding booster stations protection room also configures two unjacketed optical fiber transport modules.While this
In the first optical fiber transmission module of generator protection room pass through the one section of power supply of the direct current of DC system of units；Second optical fiber transmission module
Pass through two sections of power supplies of direct current of DC system of units.3rd optical fiber transmission module of booster stations protection room protects room by booster stations
One section of power supply of direct current of straight-flow system；4th optical fiber transmission module protects two sections of confessions of direct current of room straight-flow system by booster stations
Electricity.
The present invention is become the first G-T protective device, hair by the first optical fiber transmission module and the 3rd optical fiber transmission module
Group non-electricity protecting device, the first high voltage startup spare transformer protection device and high voltage startup spare transformer non-ionizing energy loss
The first via trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker of device and transformer unit primary cut-out control box
The first via trip(ping) circuit TJR contacts electrical connection of control box, so as to realize trip operation, passes through the second optical fiber transmission module and the
Four optical fiber transmission modules are by the second G-T protective device, transformer unit non-electricity protecting device, the standby transformation of the second high voltage startup
Second tunnel of device protection device and high voltage startup spare transformer non-electricity protecting device and transformer unit primary cut-out control box
Second tunnel trip(ping) circuit TJR contacts of trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker operation cabinet electrically connect,
So as to realize trip operation, therefore the present invention effectively make use of fiber optic communication to solve conventional G-T protective device to open circuit
Tripping operation cable long the problem of causing generator maloperation lock of device control box, make trip(ping) circuit not by cable distance length and direct current one
The influence that point ground connection or exchange are scurried into, can accurately and effectively carry out trip operation, protect the circuit safety in power plant.
The above-mentioned generator protection tripgear based on 3/2 wiring condition power plant can be made further according to being actually needed
Optimization or/and improvement：
As shown in accompanying drawing 1,2, first optical fiber transmission module includes the first fibre-optic interface device, the first PCM equipment and first
SDH equipment, first group of outlet of the protection act contact, transformer unit non-electricity protecting device of the first G-T protective device,
The protection act contact and high voltage startup spare transformer non-electricity protecting device of one high voltage startup spare transformer protection device
First group of outlet is electrically connected with the first fibre-optic interface device, and the first fibre-optic interface device is connected with the first PCM equipment communications, the
One PCM equipment communicates to connect with the first SDH equipment.Here the first fibre-optic interface device, the first PCM equipment and the first SDH equipment
Be existing known technology, PCM equipment is integrated service access device, for by analog signal, data signal, data through light
Fine, twisted-pair feeder or microwave are transmitted extension；SDH equipment is optical transmission device, the function such as intercommunication for realizing equipment room, energy
Greatly improve network resource utilization, reduce administrative and maintenance expense, realize flexibility and reliability and the efficient network operation with safeguard.
As shown in accompanying drawing 1,2, the 3rd optical fiber transmission module include the 3rd fibre-optic interface device, the 3rd PCM equipment and
3rd SDH equipment, the first SDH equipment communicate to connect with the 3rd SDH equipment, and the 3rd SDH equipment connects with the 3rd PCM equipment communications
Connect, the 3rd PCM equipment communicates to connect with the 3rd fibre-optic interface device, and the 3rd fibre-optic interface device is breaking with transformer unit high pressure respectively
The first via trip(ping) circuit TJR contacts of device control box and the first via of high voltage startup spare transformer breaker operation cabinet trip back
Road TJR contacts electrical connection.
As shown in accompanying drawing 1,2, second optical fiber transmission module include the second fibre-optic interface device, the 2nd PCM equipment and
Second SDH equipment, the protection act contact of the second G-T protective device, second group of transformer unit non-electricity protecting device go out
Mouth, the protection act contact and high voltage startup spare transformer non-ionizing energy loss of the second high voltage startup spare transformer protection device
Second group of outlet of device electrically connects with the second fibre-optic interface device, and the second fibre-optic interface device and the 2nd PCM equipment communications connect
Connect, the 2nd PCM equipment communicates to connect with the second SDH equipment.
As shown in accompanying drawing 1,2, the 4th optical fiber transmission module include the 4th fibre-optic interface device, the 4th PCM equipment and
4th SDH equipment, the second SDH equipment communicate to connect with the 4th SDH equipment, and the 4th SDH equipment connects with the 4th PCM equipment communications
Connect, the 4th PCM equipment communicates to connect with the 4th fibre-optic interface device, and the 4th fibre-optic interface device is breaking with transformer unit high pressure respectively
Second tunnel trip(ping) circuit TJR contacts of device control box and the second tunnel of high voltage startup spare transformer breaker operation cabinet are tripped back
Road TJR contacts electrical connection.
As shown in accompanying drawing 1,2, between first fibre-optic interface device and the first PCM equipment, the second fibre-optic interface device
Between the 2nd PCM equipment, between the 3rd fibre-optic interface device and the 3rd PCM equipment and the 4th fibre-optic interface device and the 4th
Connected between PCM equipment by twisted-pair communication.
As shown in accompanying drawing 1,2, between the first PCM equipment and the first SDH equipment, the 2nd PCM equipment sets with the 2nd SDH
Led between standby, between the 3rd PCM equipment and the 3rd SDH equipment between the 4th PCM equipment and the 4th SDH equipment by tail optical fiber
Letter connection.
As shown in accompanying drawing 1,2, between first SDH equipment and the 3rd SDH equipment, the second SDH equipment sets with the 4th SDH
Connected between standby by fiber optic cable communications.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and there is stronger adaptability and optimal implementation to imitate for it
Fruit, can be according to the non-essential technical characteristic of increase and decrease be actually needed, to meet the needs of different situations.
Claims (9)
1. a kind of generator protection tripgear based on 3/2 wiring condition power plant, it is characterised in that including being protected installed in unit
Protect the first G-T protective device of room, the second G-T protective device, the first high voltage startup spare transformer protection device, the
Two high voltage startup spare transformer protection devices, high voltage startup spare transformer non-electricity protecting device, transformer unit non electrical quantity are protected
Protection unit, the first optical fiber transmission module and the second optical fiber transmission module, and passed installed in the 3rd indoor optical fiber of booster stations protection
Defeated module, the 4th optical fiber transmission module, transformer unit primary cut-out control box and high voltage startup spare transformer breaker operator
Case, the protection act contact of the first G-T protective device, first group of outlet, first of transformer unit non-electricity protecting device
The protection act contact and high voltage startup spare transformer non-electricity protecting device of high voltage startup spare transformer protection device
One group of outlet electrically connects with the first optical fiber transmission module, the first optical fiber transmission module and the 3rd optical fiber transmission module communication link
Connect, the 3rd optical fiber transmission module first via trip(ping) circuit TJR contacts and high pressure with transformer unit primary cut-out control box respectively
Start the first via trip(ping) circuit TJR contacts electrical connection of spare transformer breaker operation cabinet, the second G-T protective dress
Second group of outlet, the protection of the second high voltage startup spare transformer of the protection act contact, transformer unit non-electricity protecting device put
Second group of outlet of protection act contact and high voltage startup spare transformer non-electricity protecting device of device passes with the second optical fiber
Defeated module electrical connection, the second optical fiber transmission module and the 4th optical fiber transmission module communicate to connect, the 4th optical fiber transmission module difference
With the second tunnel trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker operator of transformer unit primary cut-out control box
The second tunnel trip(ping) circuit TJR contacts electrical connection of case.
2. the generator protection tripgear according to claim 1 based on 3/2 wiring condition power plant, it is characterised in that institute
Stating the first optical fiber transmission module includes the first fibre-optic interface device, the first PCM equipment and the first SDH equipment, and the first transformer unit is protected
First group of outlet of the protection act contact, transformer unit non-electricity protecting device of protection unit, the first high voltage startup spare transformer
First group of outlet of protection act contact and high voltage startup spare transformer non-electricity protecting device of protection device with the first light
Fine interface equipment electrical connection, the first fibre-optic interface device are connected with the first PCM equipment communications, and the first PCM equipment is set with the first SDH
Standby communication connection.
3. the generator protection tripgear according to claim 2 based on 3/2 wiring condition power plant, it is characterised in that institute
Stating the 3rd optical fiber transmission module includes the 3rd fibre-optic interface device, the 3rd PCM equipment and the 3rd SDH equipment, the first SDH equipment with
3rd SDH equipment is communicated to connect, and the 3rd SDH equipment is connected with the 3rd PCM equipment communications, and the 3rd PCM equipment connects with the 3rd optical fiber
Jaws equipment communicates to connect, the first via trip(ping) circuit with transformer unit primary cut-out control box respectively of the 3rd fibre-optic interface device
The first via trip(ping) circuit TJR contacts of TJR contacts and high voltage startup spare transformer breaker operation cabinet electrically connect.
4. the generator protection tripgear based on 3/2 wiring condition power plant according to claim 1 or 2 or 3, its feature
It is that second optical fiber transmission module includes the second fibre-optic interface device, the 2nd PCM equipment and the second SDH equipment, the second hair
Protection act contact, second group of outlet of transformer unit non-electricity protecting device, the second high voltage startup of change group protection device are standby
Second group of outlet of protection act contact and high voltage startup spare transformer non-electricity protecting device of protection equipment for transformer with
Second fibre-optic interface device electrically connects, and the second fibre-optic interface device is connected with the 2nd PCM equipment communications, the 2nd PCM equipment and the
Two SDH equipments communicate to connect.
5. the generator protection tripgear according to claim 4 based on 3/2 wiring condition power plant, it is characterised in that institute
Stating the 4th optical fiber transmission module includes the 4th fibre-optic interface device, the 4th PCM equipment and the 4th SDH equipment, the second SDH equipment with
4th SDH equipment is communicated to connect, and the 4th SDH equipment is connected with the 4th PCM equipment communications, and the 4th PCM equipment connects with the 4th optical fiber
Jaws equipment communicates to connect, the second tunnel trip(ping) circuit with transformer unit primary cut-out control box respectively of the 4th fibre-optic interface device
Second tunnel trip(ping) circuit TJR contacts of TJR contacts and high voltage startup spare transformer breaker operation cabinet electrically connect.
6. the generator protection tripgear according to claim 5 based on 3/2 wiring condition power plant, it is characterised in that institute
State between the first fibre-optic interface device and the first PCM equipment, between the second fibre-optic interface device and the 2nd PCM equipment, the 3rd light
Led between fine interface equipment and the 3rd PCM equipment between the 4th fibre-optic interface device and the 4th PCM equipment by twisted-pair feeder
Letter connection.
7. the generator protection tripgear based on 3/2 wiring condition power plant according to claim 5 or 6, its feature exist
Between the first PCM equipment and the first SDH equipment, between the 2nd PCM equipment and the second SDH equipment, the 3rd PCM equipment with
Communicated to connect between 3rd SDH equipment between the 4th PCM equipment and the 4th SDH equipment by tail optical fiber.
8. the generator protection tripgear based on 3/2 wiring condition power plant according to claim 5 or 6, its feature exist
Pass through fiber optic cable communications between first SDH equipment and the 3rd SDH equipment, between the second SDH equipment and the 4th SDH equipment
Connection.
9. the generator protection tripgear according to claim 7 based on 3/2 wiring condition power plant, it is characterised in that institute
State between the first SDH equipment and the 3rd SDH equipment, connected between the second SDH equipment and the 4th SDH equipment by fiber optic cable communications
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176182.8A CN107769162B (en) | 2017-11-22 | 2017-11-22 | Unit protection tripping device based on 3/2 wiring condition power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176182.8A CN107769162B (en) | 2017-11-22 | 2017-11-22 | Unit protection tripping device based on 3/2 wiring condition power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107769162A true CN107769162A (en) | 2018-03-06 |
| CN107769162B CN107769162B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711176182.8A Active CN107769162B (en) | 2017-11-22 | 2017-11-22 | Unit protection tripping device based on 3/2 wiring condition power plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088444A (en) * | 2018-08-28 | 2018-12-25 | 国网湖南省电力有限公司 | A kind of optimization method of direct current receiving end phase modifier non-whole phase protection action performance |
| CN109167338A (en) * | 2018-08-16 | 2019-01-08 | 岭澳核电有限公司 | A kind of generator-transformer protection control method and its device for nuclear power unit |
| CN112383034A (en) * | 2020-10-30 | 2021-02-19 | 南京南瑞继保电气有限公司 | Operation relay device, converter transformer protection tripping system and tripping method |
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