CN207910444U - 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
- Publication number
- CN207910444U CN207910444U CN201721574241.2U CN201721574241U CN207910444U CN 207910444 U CN207910444 U CN 207910444U CN 201721574241 U CN201721574241 U CN 201721574241U CN 207910444 U CN207910444 U CN 207910444U
- Authority
- CN
- China
- Prior art keywords
- equipment
- optical fiber
- transformer
- high voltage
- transmission module
- Prior art date
- 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.)
- Active
Links
- 239000013307 optical fiber Substances 0.000 claims abstract description 74
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 230000001681 protective effect Effects 0.000 claims abstract description 61
- 230000005611 electricity Effects 0.000 claims abstract description 42
- 238000004891 communication Methods 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model is related to power plant generator protection technical fields, 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 protective device and high voltage startup spare transformer non-electricity protecting device is electrically connected with the first optical fiber transmission module, first optical fiber transmission module is communicated to connect with third optical fiber transmission module, third optical fiber transmission module is electrically connected with the first via trip(ping) circuit TJR contacts of the first via trip(ping) circuit TJR contacts of transformer unit high-voltage circuitbreaker control box and high voltage startup spare transformer breaker operation cabinet respectively.The utility model reasonable and compact in structure; it is easy to use; fiber optic communication is utilized and solves the problems, such as that previous G-T protective device leads to generator maloperation lock to the tripping cable of breaker operation cabinet is long, so that trip(ping) circuit is not scurried by cable distance length and direct current single-point grounding or exchange is influenced.
Description
Technical field
The utility model is related to power plant generator protection technical fields, are a kind of machines based on 3/2 wiring condition power plant
Group trip protection device.
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 trips, and the action of generator protection outlet is usually connected to breaker behaviour
Make on case TJR relays, realizes tripping.The recurrent multiple generator maloperation lock event of state is shown in the process, is mostly
Because caused by the tripping 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 generally divide
For 3 kinds of situations：1）When the positive and negative electrode voltage of straight-flow system exist over the ground offset when, one point earth occurs in straight-flow system
Moment may cause protection misoperation；2）When straight-flow system positive and negative electrode voltage fluctuation is too big, occur a bit in straight-flow system
The moment of ground connection may cause protection misoperation；3）When there is AC power to scurry into straight-flow system anode or cathode, Ke Nengyin
Play protection misoperation.
The problem of for finding, secondary circuit is transformed in part electricity power enterprise, and the relay in control box is changed
At 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.But it doesn't solve the problem fundamentally for this way, 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
The phenomenon that pressing through greatly, the operation voltage of breaker caused non-three phase or scaling loss auxiliary contact occur in critical condition, 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
Capacitance discharge power is excessive and false protection is caused to trip.
Invention content
The utility model provides a kind of generator protection tripgear based on 3/2 wiring condition power plant, overcomes
The deficiency of the prior art is stated, can effectively be solved in the power plant of 3/2 mode of connection, there are G-T protective devices to open circuit
The tripping cable of device control box is long, the problem of easily leading to generator maloperation lock.
The technical solution of the utility model is realized by following measures：One kind being based on 3/2 wiring condition power plant
Generator protection tripgear, include being filled mounted on the first G-T protective device of generator protection room, the second G-T protective
Set, the first high voltage startup spare transformer protective device, the second high voltage startup spare transformer protective device, high voltage startup it is spare
Transformer non-electricity protecting device, transformer unit non-electricity protecting device, the first optical fiber transmission module and the second optical fiber transmission module,
And protect indoor third optical fiber transmission module, the 4th optical fiber transmission module, transformer unit high-voltage circuitbreaker behaviour mounted on booster stations
Make case and high voltage startup spare transformer breaker operation cabinet, protection act contact, the hair of the first G-T protective device
First group of outlet of change group non-electricity protecting device, the first high voltage startup spare transformer protective device protection act contact and
The first group of outlet of high voltage startup spare transformer non-electricity protecting device is electrically connected with the first optical fiber transmission module, the first optical fiber
Transmission module is communicated to connect with third optical fiber transmission module, and third optical fiber transmission module is operated with transformer unit high-voltage circuitbreaker respectively
The first via trip(ping) circuit TJR contacts of case and the first via trip(ping) circuit TJR of high voltage startup spare transformer breaker operation cabinet
Contact is electrically connected, the protection act contact of the second G-T protective device, second group of transformer unit non-electricity protecting device
Outlet, the protection act contact of the second high voltage startup spare transformer protective device and high voltage startup spare transformer non electrical quantity are protected
Second group of outlet of protection unit is electrically connected with the second optical fiber transmission module, the second optical fiber transmission module and the 4th optical fiber transmission module
Communication connection, the 4th optical fiber transmission module respectively with the second tunnel trip(ping) circuit TJR contacts of transformer unit high-voltage circuitbreaker control box
It is electrically connected with the second tunnel trip(ping) circuit TJR contacts of high voltage startup spare transformer breaker operation cabinet.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution：
Above-mentioned first optical fiber transmission module may include the first fibre-optic interface device, the first PCM equipment and the first SDH equipment,
The protection act contact of first G-T protective device, first group of outlet of transformer unit non-electricity protecting device, the first high pressure open
First group of the protection act contact and high voltage startup spare transformer non-electricity protecting device of dynamic spare transformer protective device go out
Mouth is electrically connected with the first fibre-optic interface device, and the first fibre-optic interface device and the first PCM equipment communicate to connect, and the first PCM is set
It is standby to be communicated to connect with the first SDH equipment.
Above-mentioned third optical fiber transmission module may include third fibre-optic interface device, the 3rd PCM equipment and third SDH equipment,
First SDH equipment is communicated to connect with third SDH equipment, and third SDH equipment is communicated to connect with the 3rd PCM equipment, the 3rd PCM equipment
With third fibre-optic interface device communicate to connect, third fibre-optic interface device respectively with transformer unit high-voltage circuitbreaker 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
It connects.
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 protective device go out
Mouth is electrically connected with the second fibre-optic interface device, and the second fibre-optic interface device and the 2nd PCM equipment communicate to connect, 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 communicated to connect with the 4th PCM equipment, the 4th PCM equipment
With the 4th fibre-optic interface device communicate to connect, the 4th fibre-optic interface device respectively with transformer unit high-voltage circuitbreaker 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
It connects.
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 third 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 by tail optical fiber between the 4th PCM equipment and the 4th SDH equipment between equipment and third SDH equipment.
Can it pass through between above-mentioned first SDH equipment and third SDH equipment, between the second SDH equipment and the 4th SDH equipment
Fiber optic cable communications connect.
The utility model by the first optical fiber transmission module and third optical fiber transmission module by the first G-T protective device,
Transformer unit non-electricity protecting device, the first high voltage startup spare transformer protective device and high voltage startup spare transformer non electrical quantity
Protective device and the first via trip(ping) circuit TJR contacts and high voltage startup spare transformer of transformer unit high-voltage circuitbreaker control box are disconnected
The first via trip(ping) circuit TJR contacts of road device control box are electrically connected, and to realize trip operation, pass through the second optical fiber transmission module
It is with the 4th optical fiber transmission module that the second G-T protective device, transformer unit non-electricity protecting device, the second high voltage startup is spare
The of protection equipment for transformer and high voltage startup spare transformer non-electricity protecting device and transformer unit high-voltage circuitbreaker control box
Second tunnel trip(ping) circuit TJR contact electricity of two tunnel trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker operation cabinet
Connection, to realize trip operation, therefore the utility model is effectively utilized fiber optic communication and solves previous G-T protective
Tripping cable long the problem of leading to generator maloperation lock of device to breaker operation cabinet, keep trip(ping) circuit not long by cable distance
The influence that short and direct current single-point grounding or exchange are scurried into, can accurately and effectively carry out trip operation, the circuit in power plant is protected to pacify
Entirely.
Description of the drawings
Attached drawing 1 is the electrical block diagram of the best embodiment of the utility model.
Attached drawing 2 is the optical fiber transmission module power supply circuit construction schematic diagram of the best embodiment of the utility model.
Specific implementation mode
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
The utility model is further described with reference to embodiment and attached drawing：
As shown in attached drawing 1,2, it is somebody's turn to do the generator protection tripgear based on 3/2 wiring condition power plant, including be mounted on machine
The first G-T protective device, the second G-T protective device, the first high voltage startup spare transformer protection dress of group protection room
It sets, the second high voltage startup spare transformer protective device, high voltage startup spare transformer non-electricity protecting device, transformer unit non-electrical
Protective device, the first optical fiber transmission module and the second optical fiber transmission module are measured, and indoor third light is protected mounted on booster stations
Fine transmission module, the 4th optical fiber transmission module, transformer unit high-voltage circuitbreaker control box and high voltage startup spare transformer breaker
Control box, 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-ionizing energy loss of first high voltage startup spare transformer protective device fill
It sets first group of outlet to be electrically connected with the first optical fiber transmission module, the first optical fiber transmission module is communicated with third optical fiber transmission module
Connection, third optical fiber transmission module respectively with the first via trip(ping) circuit TJR contacts and height of transformer unit high-voltage circuitbreaker control box
Pressure starts the first via trip(ping) circuit TJR contacts electrical connection of spare transformer breaker operation cabinet, second G-T protective
Second group of outlet of the protection act contact, transformer unit non-electricity protecting device of device, the second high voltage startup spare transformer are protected
Second group of outlet of protection act contact and high voltage startup spare transformer non-electricity protecting device of protection unit with the second optical fiber
Transmission module is electrically connected, and the second optical fiber transmission module and the 4th optical fiber transmission module communicate to connect, the 4th optical fiber transmission module point
It is not grasped with the second tunnel trip(ping) circuit TJR contacts of transformer unit high-voltage circuitbreaker control box and high voltage startup spare transformer breaker
Make 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
It sets, the second high voltage startup spare transformer protective device, high voltage startup spare transformer non-electricity protecting device, transformer unit non-electrical
Amount protective device, transformer unit high-voltage circuitbreaker control box and high voltage startup spare transformer breaker operation cabinet are existing known
Technology.Due to having two sets of electric quantity protective devices and a set of non-in the indoor high voltage startup spare transformer protective device of generator protection
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
Protection two unjacketed optical fiber transmission module of indoor configuration, corresponding booster stations protection room also configure two unjacketed optical fiber transmission 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.The third 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 utility model by the first optical fiber transmission module and third optical fiber transmission module by the first G-T protective device,
Transformer unit non-electricity protecting device, the first high voltage startup spare transformer protective device and high voltage startup spare transformer non electrical quantity
Protective device and the first via trip(ping) circuit TJR contacts and high voltage startup spare transformer of transformer unit high-voltage circuitbreaker control box are disconnected
The first via trip(ping) circuit TJR contacts of road device control box are electrically connected, and to realize trip operation, pass through the second optical fiber transmission module
It is with the 4th optical fiber transmission module that the second G-T protective device, transformer unit non-electricity protecting device, the second high voltage startup is spare
The of protection equipment for transformer and high voltage startup spare transformer non-electricity protecting device and transformer unit high-voltage circuitbreaker control box
Second tunnel trip(ping) circuit TJR contact electricity of two tunnel trip(ping) circuit TJR contacts and high voltage startup spare transformer breaker operation cabinet
Connection, to realize trip operation, therefore the utility model is effectively utilized fiber optic communication and solves previous G-T protective
Tripping cable long the problem of leading to generator maloperation lock of device to breaker operation cabinet, keep trip(ping) circuit not long by cable distance
The influence that short and direct current single-point grounding or exchange are scurried into, can accurately and effectively carry out trip operation, the circuit in power plant is protected to pacify
Entirely.
The above-mentioned generator protection tripgear based on 3/2 wiring condition power plant can be made further according to actual needs
Optimization or/and improvement：
As shown in attached drawing 1,2, first optical fiber transmission module include the first fibre-optic interface device, the first PCM equipment and
First SDH equipment, the protection act contact of the first G-T protective device, first group of transformer unit non-electricity protecting device go out
Mouth, the protection act contact of the first high voltage startup spare transformer protective device and high voltage startup spare transformer non-ionizing energy loss
First group of outlet of device is electrically connected with the first fibre-optic interface device, the first fibre-optic interface device and the first PCM equipment communication links
It connects, the first PCM equipment is communicated to connect with the first SDH equipment.Here the first fibre-optic interface device, the first PCM equipment and the first SDH
Equipment is existing known technology, and PCM equipment is integrated service access device, for passing through analog signal, digital signal, data
Optical fiber, twisted-pair feeder or microwave are transmitted extension；SDH equipment is optical transmission device, for realizing functions such as the intercommunications of equipment room,
Network resource utilization can be greatly improved, administrative and maintenance expense is reduced, realizes flexibility and reliability and the efficient network operation and dimension
Shield.
As shown in attached drawing 1,2, the third optical fiber transmission module include third fibre-optic interface device, the 3rd PCM equipment and
Third SDH equipment, the first SDH equipment are communicated to connect with third SDH equipment, third SDH equipment and the 3rd PCM equipment communication links
It connects, the 3rd PCM equipment is communicated to connect with third fibre-optic interface device, and third 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 attached 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 of the second high voltage startup spare transformer protective device and high voltage startup spare transformer non-ionizing energy loss
Second group of outlet of device is electrically connected with the second fibre-optic interface device, the second fibre-optic interface device and the 2nd PCM equipment communication links
It connects, the 2nd PCM equipment is communicated to connect with the second SDH equipment.
As shown in attached 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 are communicated to connect with the 4th SDH equipment, the 4th SDH equipment and the 4th PCM equipment communication links
It connects, the 4th PCM equipment is communicated 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 attached 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 third fibre-optic interface device and the 3rd PCM equipment and the 4th fibre-optic interface device and the 4th
It is connected by twisted-pair communication between PCM equipment.
As shown in attached drawing 1,2, between the first PCM equipment and the first SDH equipment, the 2nd PCM equipment sets with the 2nd SDH
Led to by tail optical fiber between the 4th PCM equipment and the 4th SDH equipment between standby, between the 3rd PCM equipment and third SDH equipment
Letter connection.
As shown in attached drawing 1,2, between first SDH equipment and third SDH equipment, the second SDH equipment sets with the 4th SDH
It is connected by fiber optic cable communications between standby.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, to meet the needs of different situations according to actual needs.
Claims (11)
1. a kind of generator protection tripgear based on 3/2 wiring condition power plant, it is characterised in that protected including being mounted on unit
Protect the first G-T protective device of room, the second G-T protective device, the first high voltage startup spare transformer protective device, the
Two high voltage startup spare transformer protective 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 protect indoor third optical fiber to pass mounted on booster stations
Defeated module, the 4th optical fiber transmission module, transformer unit high-voltage circuitbreaker 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 protective device
One group of outlet is electrically connected with the first optical fiber transmission module, the first optical fiber transmission module and third optical fiber transmission module communication link
Connect, third optical fiber transmission module respectively with the first via trip(ping) circuit TJR contacts and high pressure of transformer unit high-voltage circuitbreaker control box
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 set
Second group of outlet of protection act contact and high voltage startup spare transformer non-electricity protecting device of device is passed 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 high-voltage circuitbreaker control box
Second tunnel trip(ping) circuit TJR contacts of case are electrically connected.
2. the generator protection tripgear according to claim 1 based on 3/2 wiring condition power plant, it is characterised in that institute
It includes the first fibre-optic interface device, the first PCM equipment and the first SDH equipment to state the first optical fiber transmission module, 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 protective device with the first light
Fine interface equipment electrical connection, the first fibre-optic interface device and the first PCM equipment communicate to connect, 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
It includes third fibre-optic interface device, the 3rd PCM equipment and third SDH equipment to state third optical fiber transmission module, the first SDH equipment with
Third SDH equipment communicates to connect, and third SDH equipment is communicated to connect with the 3rd PCM equipment, and the 3rd PCM equipment connects with third optical fiber
Jaws equipment communicates to connect, the first via trip(ping) circuit with transformer unit high-voltage circuitbreaker control box respectively of third fibre-optic interface device
The first via trip(ping) circuit TJR contacts of TJR contacts and high voltage startup spare transformer breaker operation cabinet are electrically connected.
4. the generator protection tripgear according to claim 1 based on 3/2 wiring condition power plant, it is characterised in that institute
It includes the second fibre-optic interface device, the 2nd PCM equipment and the second SDH equipment to state the second optical fiber transmission module, and the second transformer unit is protected
Second group of outlet of the protection act contact, transformer unit non-electricity protecting device of protection unit, the second high voltage startup spare transformer
Second group of outlet of protection act contact and high voltage startup spare transformer non-electricity protecting device of protective device with the second light
Fine interface equipment electrical connection, the second fibre-optic interface device and the 2nd PCM equipment communicate to connect, and the 2nd PCM equipment is set with the 2nd SDH
Standby communication connection.
5. the generator protection tripgear according to claim 2 based on 3/2 wiring condition power plant, it is characterised in that institute
It includes the second fibre-optic interface device, the 2nd PCM equipment and the second SDH equipment to state the second optical fiber transmission module, and the second transformer unit is protected
Second group of outlet of the protection act contact, transformer unit non-electricity protecting device of protection unit, the second high voltage startup spare transformer
Second group of outlet of protection act contact and high voltage startup spare transformer non-electricity protecting device of protective device with the second light
Fine interface equipment electrical connection, the second fibre-optic interface device and the 2nd PCM equipment communicate to connect, and the 2nd PCM equipment is set with the 2nd SDH
Standby communication connection.
6. the generator protection tripgear according to claim 3 based on 3/2 wiring condition power plant, it is characterised in that institute
It includes the second fibre-optic interface device, the 2nd PCM equipment and the second SDH equipment to state the second optical fiber transmission module, and the second transformer unit is protected
Second group of outlet of the protection act contact, transformer unit non-electricity protecting device of protection unit, the second high voltage startup spare transformer
Second group of outlet of protection act contact and high voltage startup spare transformer non-electricity protecting device of protective device with the second light
Fine interface equipment electrical connection, the second fibre-optic interface device and the 2nd PCM equipment communicate to connect, and the 2nd PCM equipment is set with the 2nd SDH
Standby communication connection.
7. the generator protection tripgear according to claim 6 based on 3/2 wiring condition power plant, it is characterised in that institute
State the 4th optical fiber transmission module include the 4th fibre-optic interface device, the 4th PCM equipment and the 4th SDH equipment, the second SDH equipment with
4th SDH equipment communicates to connect, and the 4th SDH equipment is communicated to connect with the 4th PCM equipment, and the 4th PCM equipment connects with the 4th optical fiber
Jaws equipment communicate to connect, the 4th fibre-optic interface device respectively with the second tunnel trip(ping) circuit of transformer unit high-voltage circuitbreaker control box
Second tunnel trip(ping) circuit TJR contacts of TJR contacts and high voltage startup spare transformer breaker operation cabinet are electrically connected.
8. 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 fibre-optic interface device and the first PCM equipment, between the second fibre-optic interface device and the 2nd PCM equipment, third light
It is logical by twisted-pair feeder between the 4th fibre-optic interface device and the 4th PCM equipment between fine interface equipment and the 3rd PCM equipment
Letter connection.
9. the generator protection tripgear according to claim 7 or 8 based on 3/2 wiring condition power plant, 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
It is communicated to connect by tail optical fiber between the 4th PCM equipment and the 4th SDH equipment between third SDH equipment.
10. the generator protection tripgear according to claim 7 or 8 based on 3/2 wiring condition power plant, feature exist
Pass through fiber optic cable communications between first SDH equipment and third SDH equipment, between the second SDH equipment and the 4th SDH equipment
Connection.
11. the generator protection tripgear according to claim 9 based on 3/2 wiring condition power plant, it is characterised in that
Connected by fiber optic cable communications between first SDH equipment and third SDH equipment, between the second SDH equipment and the 4th SDH equipment
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574241.2U CN207910444U (en) | 2017-11-22 | 2017-11-22 | Generator protection tripgear based on 3/2 wiring condition power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574241.2U CN207910444U (en) | 2017-11-22 | 2017-11-22 | Generator protection tripgear based on 3/2 wiring condition power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910444U true CN207910444U (en) | 2018-09-25 |
Family
ID=63571034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721574241.2U Active CN207910444U (en) | 2017-11-22 | 2017-11-22 | Generator protection tripgear based on 3/2 wiring condition power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769162A (en) * | 2017-11-22 | 2018-03-06 | 国网新疆电力有限公司电力科学研究院 | Generator protection tripgear based on 3/2 wiring condition power plant |
-
2017
- 2017-11-22 CN CN201721574241.2U patent/CN207910444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769162A (en) * | 2017-11-22 | 2018-03-06 | 国网新疆电力有限公司电力科学研究院 | Generator protection tripgear based on 3/2 wiring condition power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109455106A (en) | A kind of electric car Intelligent charging station | |
| CN107294073B (en) | Control protection system of hybrid topology direct current circuit breaker | |
| CN107769162A (en) | Generator protection tripgear based on 3/2 wiring condition power plant | |
| CN207910444U (en) | Generator protection tripgear based on 3/2 wiring condition power plant | |
| CN106602607A (en) | Integrated management system for connecting micro grid to distribution network site | |
| CN110048379A (en) | The relaying configuration method of low-voltage direct distribution system | |
| CN207782480U (en) | Dc switch networking protective device in a kind of subway DC power-supply system | |
| CN203481822U (en) | Closed loop power supply model of medium voltage 10 kilovolt power distribution network | |
| CN203242926U (en) | Low-voltage power distribution cabinet with residual current protection function | |
| CN109586400A (en) | A kind of direct current cabinet circuit | |
| CN206742721U (en) | A kind of intelligent modularized change | |
| CN202535046U (en) | Microcomputer monitoring and protection device for mine-used high-voltage switch | |
| CN201557212U (en) | Network optical-fiber access cabinet | |
| CN211859590U (en) | Long cable protection system based on 5G network | |
| CN209878852U (en) | Electricity meter box structure for preventing electricity stealing in three-phase five-wire system rural area | |
| CN107732971A (en) | A kind of band bidirectional current protection distributed grid-connected access case | |
| CN204481573U (en) | The customizable electric intelligent terminal of a kind of low pressure feeder unit load | |
| CN211377569U (en) | Outdoor installation full voltage level integration transformer protection device | |
| CN206850413U (en) | A kind of rapid protection system of new energy power station collection electric line | |
| CN111907379A (en) | 10kV/27.5kV electrified railway auxiliary traction power supply | |
| CN107026433B (en) | Rapid protection system and method for current collection circuit of new energy power station | |
| CN206236963U (en) | 110 kilovolts of bus PT combining unit secondary circuits of intelligent substation | |
| CN109975588A (en) | A kind of three-phase five-wire mode rural area anti-electricity-theft device and method | |
| CN216355500U (en) | Collection flow box | |
| CN106257782B (en) | Ac leakage drives protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |