CN109873444A - Two-loop direct current power transmission system master control system and configuration method - Google Patents
Two-loop direct current power transmission system master control system and configuration method Download PDFInfo
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- CN109873444A CN109873444A CN201910298161.6A CN201910298161A CN109873444A CN 109873444 A CN109873444 A CN 109873444A CN 201910298161 A CN201910298161 A CN 201910298161A CN 109873444 A CN109873444 A CN 109873444A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a two-loop direct current power transmission system main control system and a configuration method. The sending end or the receiving end of the two loops of direct current are arranged in the same converter station, and the two loops of direct current are independently designed and operated due to the reason that the two loops of direct current are built in stages, belong to different owners and the like; because the two loops of direct current share the same alternating current bus, coordination control is needed in the aspects of active power, reactive power and the like. The invention provides a two-loop direct current main control system which comprises a stable control host and an auxiliary control host, wherein the stable control host and the auxiliary control host are independent from each other and respectively perform signal interaction with a control system of two loops of direct current, a two-loop direct current active coordination control module and a system safety and stability control module are arranged in the stable control host, and a two-loop direct current reactive coordination control module and an additional control coordination control module are arranged in the auxiliary control host. Through reasonable host setting and function distribution, the coordination control of the two loops of direct current can be realized when the sending end or the receiving end of the two loops of direct current are in the same converter station.
Description
Technical field
The invention belongs to high-voltage dc transmission electrical domains, and in particular to twice DC transmission system master control systems of one kind and configuration
Method.
Background technique
Limited by current single time direct current transportation capacity and receiving end digestion capability, the electric power of energy area of concentration need using
Twice even multiple-circuit line is conveyed outward.Similarly, power load center is also required to convey electricity by multiple-circuit line sometimes
Energy.In order to save occupied area, the sending end of twice direct currents or the design of receiving end converter station sometimes is together.In order to guarantee twice direct currents
Rationally, economic, safe and stable operation, twice direct currents need to carry out active and idle coordinated control.
When belonging to an owner for twice direct currents, be operated together management, double back control layer device can be increased, it is straight by twice
The functional configuration such as active coordination, idle control and steady control interface are flowed in the layer, realize the coordinated control to twice direct currents.But for
Twice direct currents of independent operating management are influenced by secondary control protection system solution difference, primary equipment separate management etc.,
Above scheme is difficult to carry out.The coordinated control of twice direct currents is needed using new method.
Summary of the invention
The purpose of the present invention is to provide a kind of twice DC transmission system master control systems and configuration method, can be two
Return direct current be total to sending end or receiving end converter station but independent operating management when, realize the coordinated control of twice direct currents.
In order to achieve the above objectives, the technical scheme is that
A kind of twice DC transmission system master control systems, including host and association's control host two parts are surely controlled, the steady control master
Machine and association's control host are mutually indepedent, carry out signal interaction with the control system of twice direct currents respectively, and steady control is arranged twice in host
The active coordinating control module of direct current and system security and stability control module, association, which is controlled in host, is arranged twice idle coordinated controls of direct current
Module and additional control coordinating control module；Wherein:
The active coordinating control module of twice direct currents, for carrying out the active coordinated control between twice direct currents；
The system security and stability control module, for quickly detecting ac and dc systems failure and act in time, promoted or
It returns twice dc powers of drop or cuts away unit, it is ensured that power network safety operation；
The idle coordinating control module of twice direct currents, for carrying out the idle coordinated control between twice direct currents；
The additional control coordinating control module, for carrying out the modulation of the secondary power between twice direct currents and One Common Earthing Electrode
Control the coordinated control of protection.
Further, the steady control host and association's control host are by optical-fibre communications mode or hard contact mode respectively with two
It returns direct current and carries out signal interaction.
Further, twice DC control systems send DC operation information, including DC operation to the steady control host
State, dc power control model, direct current transmission power, direct current maximum can transport power, dc power prompt drop mark, direct current function
Rate prompt drop amount, the improper stoppage in transit of direct current；The steady control host sends steady control modulation orders to twice DC control systems, including mentions
Direct current signal is risen, dc power is promoted, returns drop direct current signal, returns drop dc power, locking direct current, twice DC control system is received
Power ascension is executed after order accordingly, power returns drop or locking direct current.
Further, twice DC control systems send DC operation information, including DC operation to association control host
State, dc power lifting, reactive power exchange value, additional control operating status, One Common Earthing Electrode connection status, One Common Earthing Electrode area
Protection act coherent signal；Association's control host forwards the information of twice direct currents to DC control system is returned, and is used for twice direct current controls
The respective control of system processed；Association's control host while comprehensive descision two return the information of direct current, send order to twice direct currents and carry out two
Return the idle coordinated control of direct current and additional control coordinated control.
Further, the active coordinating control module of twice direct currents includes power turn band submodule between twice, is used for one
It returns when DC Line Fault power returns drop and promotes another time dc power, to avoid or reduce twice power losses as far as possible；
The system security and stability control module includes that twice dc powers promote/return drop submodule, is used for alternating current-direct current system
Twice dc powers of drop are promoted or returned when failure of uniting according to active volume.
Further, the idle coordinating control module of twice direct currents includes twice idle coordinated control submodules, described
Twice idle coordinated control submodules idle all return filter switching using when determining alternating voltage control model two for twice
Coordinate；
The additional control coordinating control module includes algorithm for power modulation coordinated control submodule, One Common Earthing Electrode control protection
Submodule, in which:
The algorithm for power modulation coordinated control submodule, for the coordinated control of additional modulation function, the additional modulation function
It can include twice frequency control, subsynchronous oscillation damping control；
The One Common Earthing Electrode control protection submodule, One Common Earthing Electrode when having One Common Earthing Electrode for twice direct current designs
Control, protection, function for monitoring.
Further, the master control system passes through the straight of host interface device and DC interface device and one time or double back
Flow control system is communicated, in which: master control system connects host interface device, and DC interface device connects DC control system
System, host interface device connect DC interface device.
Further, optical-fibre communications, host interface device and direct current are used between the master control system and host interface device
Optical-fibre communications or cable connection are used between interface arrangement, and optical-fibre communications is used between DC interface device and DC control system.
The present invention proposes a kind of twice DC transmission system master control system configuration methods simultaneously, exists for sending end or receiving end
Twice direct currents of same converter station, configure master control system, including surely control host and association control host two parts, the steady control host with
Association's control host is mutually indepedent, carries out signal interaction with the control system of twice direct currents respectively, and twice direct currents are arranged in steady control in host
Active coordinated control link and system security and stability control link, association, which is controlled in host, is arranged the idle coordinated control link of twice direct currents
With additional control coordinated control link；Wherein:
The active coordinated control link of twice direct currents, for carrying out the active coordinated control between twice direct currents；
The system security and stability control link, for quickly detecting ac and dc systems failure and act in time, promoted or
It returns twice dc powers of drop or cuts away unit, it is ensured that power network safety operation；
The idle coordinated control link of twice direct currents, for carrying out the idle coordinated control between twice direct currents；
The additional control coordinated control link, for carrying out the modulation of the secondary power between twice direct currents and One Common Earthing Electrode
Control the coordinated control of protection.
Further, the steady control host and association's control host are by optical-fibre communications mode or hard contact mode respectively with two
It returns direct current and carries out signal interaction.
Further, twice DC control systems send DC operation information, including DC operation to the steady control host
State, dc power control model, direct current transmission power, direct current maximum can transport power, dc power prompt drop mark, direct current function
Rate prompt drop amount, the improper stoppage in transit of direct current；The steady control host sends steady control modulation orders to twice DC control systems, including mentions
Direct current signal is risen, dc power is promoted, returns drop direct current signal, returns drop dc power, locking direct current, twice DC control system is received
Power ascension is executed after order accordingly, power returns drop or locking direct current.
Further, twice DC control systems send DC operation information, including DC operation to association control host
State, dc power lifting, reactive power exchange value, additional control operating status, One Common Earthing Electrode connection status, One Common Earthing Electrode area
Protection act coherent signal；Association's control host forwards the information of twice direct currents to DC control system is returned, and is used for twice direct current controls
The respective control of system processed；Association's control host while comprehensive descision two return the information of direct current, send order to twice direct currents and carry out two
Return the idle coordinated control of direct current and additional control coordinated control.
Further, the active coordinated control link of twice direct currents includes power turn band function between twice, is used for one time
DC Line Fault power promotes another time dc power when returning drop, to avoid or reduce twice power losses as far as possible；
The system security and stability control link includes that twice dc powers promote/return drop function, is used for ac and dc systems
Twice dc powers of drop are promoted or returned when failure according to active volume.
Further, the idle coordinated control link of twice direct currents include twice idle coordinated control functions, described two
Idle coordinated control function is returned for twice idle coordinations for all returning filter switching using when determining alternating voltage control model two；
The additional control coordinated control link includes algorithm for power modulation coordinated control function, One Common Earthing Electrode control protection function
It can, in which:
The algorithm for power modulation coordinated control function, for the coordinated control of additional modulation function, the additional modulation function
Including twice frequency control, subsynchronous oscillation damping control；
The One Common Earthing Electrode controls defencive function, One Common Earthing Electrode when having One Common Earthing Electrode for twice direct current designs
Control, protection, function for monitoring.
Further, the master control system passes through the straight of host interface device and DC interface device and one time or double back
Flow control system is communicated, in which: master control system connects host interface device, and DC interface device connects DC control system
System, host interface device connect DC interface device.
Further, optical-fibre communications, host interface device and direct current are used between the master control system and host interface device
Optical-fibre communications or cable connection are used between interface arrangement, and optical-fibre communications is used between DC interface device and DC control system.
Beneficial effects of the present invention: the present invention can twice direct currents sending end or receiving end in same converter station but independent operating
When management, the active coordination, idle coordination and stability contorting of twice direct currents, twice direct currents and master control system interaction data amount are realized
Few, system is simple, it is easy to accomplish.
Detailed description of the invention
Fig. 1 is 1 twice DC transmission system master control system schematic diagrames of the embodiment of the present invention；
Fig. 2 is 2 twice DC transmission system master control system schematic diagrames of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing and the present invention is described further in specific embodiment.
It is 1 twice DC transmission system master control system schematic diagrames of the embodiment of the present invention shown in Fig. 1；A kind of twice direct current transportation
The specific embodiment of system master system includes steady control host and association's control host two parts, and host phase is controlled in the steady control host and association
It is mutually independent, signal interaction is carried out with the control system of twice direct currents respectively, the active coordination control of twice direct currents is arranged in steady control in host
Molding block and system security and stability control module, association, which is controlled in host, is arranged the idle coordinating control module of twice direct currents and additional control
Coordinating control module；Wherein:
The active coordinating control module of twice direct currents, for carrying out the active coordinated control between twice direct currents.
The system security and stability control module, for quickly detecting ac and dc systems failure and act in time, promoted or
It returns twice dc powers of drop or cuts away unit, it is ensured that power network safety operation.
The idle coordinating control module of twice direct currents, for carrying out the idle coordinated control between twice direct currents.
The additional control coordinating control module, for carrying out the modulation of the secondary power between twice direct currents and One Common Earthing Electrode
Control the coordinated control of protection.
Wherein, the steady control host and association's control host are straight with twice respectively by optical-fibre communications mode or hard contact mode
Stream carries out signal interaction.
Wherein, twice DC control systems send DC operation information to the steady control host, including DC operation state,
Dc power control model, direct current transmission power, direct current maximum can transport power, dc power prompt drop mark, dc power speed
The improper stoppage in transit of drop amount, direct current；The steady control host sends steady control modulation orders to twice DC control systems, including is promoted straight
Signal is flowed, dc power is promoted, returns drop direct current signal, returns drop dc power, locking direct current, twice DC control system receives order
Power ascension is executed accordingly afterwards, power returns drop or locking direct current.The active coordinated control mould of twice direct currents is set in steady control host
Block and system security and stability control module.Wherein:
Twice active coordinating control modules of direct current include power turn band submodule between twice, are used for a DC Line Fault power
Another time dc power is promoted when returning drop, to avoid or reduce twice power losses as far as possible.
System security and stability control module promotes/returns drop submodule including twice dc powers, for ac and dc systems event
Twice dc powers of drop are promoted or returned when barrier according to active volume.
In this specific embodiment, twice DC control systems send DC operation information to association control host, including straight
Stream operating status, reactive power exchange value, additional control operating status, One Common Earthing Electrode connection status, shared connects dc power lifting
Ground polar region protection act coherent signal；Association's control host forwards the information of twice direct currents to DC control system is returned, and is used for twice
The respective control of DC control system；Association's control host while comprehensive descision two return the information of direct current, send order to twice direct currents
Carry out the idle coordinated control of twice direct currents and additional control coordinated control.Twice idle coordinated controls of direct current are set in association's control host
Module and additional control coordinating control module.Wherein:
Twice idle coordinating control modules of direct current include twice idle coordinated control submodules, twice idle coordination controls
System module is for twice idle coordinations for all returning filter switching using when determining alternating voltage control model two.
Additional control coordinating control module includes algorithm for power modulation coordinated control submodule, One Common Earthing Electrode control protection submodule
Block；Wherein:
Algorithm for power modulation coordinated control submodule, for the coordinated control of additional modulation function, the additional modulation function packet
Include twice frequency control, subsynchronous oscillation damping control；
One Common Earthing Electrode control protection submodule, the control of One Common Earthing Electrode when having One Common Earthing Electrode for twice direct current designs
System, protection, function for monitoring.
Steady control host and association's control host carry out signal interaction with twice direct currents respectively, use different controls for twice direct currents
When technical solution processed, interface arrangement may be needed between master control system and DC control system.
If Fig. 2 is 2 twice DC transmission system master control system schematic diagrames of the embodiment of the present invention, two times DC control systems
It is based on identical control protecting platform with master control system, directly progress optical-fibre communications；And a DC control system is based on another
A control protecting platform, needs to be communicated by interface arrangement and master control system.Wherein: master control system connects host interface dress
It sets, DC interface device connects DC control system, and host interface device connects DC interface device.Master control system connects with master control
Optical-fibre communications is used between mouth device, optical-fibre communications or cable connection, direct current are used between host interface device and DC interface device
Optical-fibre communications is used between interface arrangement and DC control system.
The present invention proposes a kind of specific embodiment of twice DC transmission system master control system configuration methods simultaneously, for
Sending end or receiving end configure master control system in twice direct currents of same converter station, including surely control host and association's control host two parts, institute
It states steady control host and association's control host is mutually indepedent, carry out signal interaction with the control system of twice direct currents respectively, it is steady to control in host
The active coordinated control link of twice direct currents and system security and stability control link are set, and it is idle that twice direct currents are arranged in association's control host
Coordinated control link and additional control coordinated control link；Wherein:
The active coordinated control link of twice direct currents, for carrying out the active coordinated control between twice direct currents；
The system security and stability control link, for quickly detecting ac and dc systems failure and act in time, promoted or
It returns twice dc powers of drop or cuts away unit, it is ensured that power network safety operation；
The idle coordinated control link of twice direct currents, for carrying out the idle coordinated control between twice direct currents；
The additional control coordinated control link, for carrying out the modulation of the secondary power between twice direct currents and One Common Earthing Electrode
Control the coordinated control of protection.
In above-described embodiment, the steady control host and association's control host are distinguished by optical-fibre communications mode or hard contact mode
Signal interaction is carried out with twice direct currents.
In above-described embodiment, twice DC control systems send DC operation information, including direct current to the steady control host
Operating status, dc power control model, direct current transmission power, direct current maximum can transport power, dc power prompt drop identifies, straight
Improper stoppage in transit of power prompt drop amount, direct current etc. is flowed, the steady control host sends steady control modulation orders to twice DC control systems,
Including promoting direct current signal, promoting dc power, time drop direct current signal, time drop dc power, locking direct current, twice DC controls
System executes power ascension after receiving order accordingly, power returns drop or locking direct current.It is active that twice direct currents are set in steady control host
Coordinated control link and system security and stability control link, in which:
The active coordinated control link of twice direct currents includes power turn band function between twice, is returned for a DC Line Fault power
Another time dc power is promoted when drop, to avoid or reduce twice power losses as far as possible.
System security and stability control link includes that twice dc powers promote/return drop function, is used for ac and dc systems failure
When according to active volume promoted or return drop twice dc powers.
In above-described embodiment, twice DC control systems send DC operation information, including direct current to association control host
Operating status, reactive power exchange value, additional control operating status, One Common Earthing Electrode connection status, shares ground connection at dc power lifting
Polar region protection act coherent signal；Association's control host forwards the information of twice direct currents straight to DC control system is returned, being used for twice
The respective control of flow control system；Comprehensive descision two returns the information of direct current to association's control host simultaneously, to twice direct currents transmissions order into
Row two returns the idle coordinated control of direct current and additional control coordinated control.The idle coordinated control ring of twice direct currents is set in association's control host
Section and additional control coordinated control link；Wherein:
Coordinated control link that twice direct currents are idle includes twice idle coordinated control functions, twice idle coordinated controls
Function is for twice idle coordinations for all returning filter switching using when determining alternating voltage control model two；
Additional control coordinated control link include algorithm for power modulation coordinated control function, One Common Earthing Electrode control defencive function,
Wherein:
Algorithm for power modulation coordinated control function, for the coordinated control of additional modulation function, the additional modulation function includes
Twice frequency control, subsynchronous oscillation damping control；
One Common Earthing Electrode controls defencive function, the control of One Common Earthing Electrode when having One Common Earthing Electrode for twice direct current designs
System, protection, function for monitoring.
In above-described embodiment, the master control system passes through host interface device and DC interface device and one time or double back
DC control system communicated, in which: master control system connect host interface device, DC interface device connect DC control
System, host interface device connect DC interface device.
In above-described embodiment, between the master control system and host interface device use optical-fibre communications, host interface device and
Optical-fibre communications or cable connection are used between DC interface device, it is logical using optical fiber between DC interface device and DC control system
News.
Above embodiments are merely preferred embodiments of the present invention, but protection model of the invention cannot be limited with this
It encloses, anyone skilled in the art in the technical scope disclosed by the present invention, the variation that can readily occur in or replaces
It changes, should all contain within protection scope of the present invention.
Claims (16)
1. a kind of twice DC transmission system master control systems, it is characterized in that: the master control system includes steady control host and association control master
Machine two parts, the steady control host and association's control host are mutually indepedent, carry out signal interaction with the control system of twice direct currents respectively,
The active coordinating control module of twice direct currents and system security and stability control module are set in steady control host, are arranged two in association's control host
Return the idle coordinating control module of direct current and additional control coordinating control module；Wherein:
The active coordinating control module of twice direct currents, for carrying out the active coordinated control between twice direct currents；
The system security and stability control module promotes or returns drop for quickly detecting ac and dc systems failure and acting in time
Twice dc powers cut away unit, it is ensured that power network safety operation；
The idle coordinating control module of twice direct currents, for carrying out the idle coordinated control between twice direct currents；
The additional control coordinating control module, for carrying out the modulation of the secondary power between twice direct currents and One Common Earthing Electrode control
The coordinated control of protection.
2. twice DC transmission system master control systems according to claim 1, it is characterized in that: the steady control host and association's control
Host carries out signal interaction with twice direct currents respectively by optical-fibre communications mode or hard contact mode.
3. twice DC transmission system master control systems according to claim 1, it is characterized in that: twice DC control systems to
The steady control host sends DC operation information, including DC operation state, dc power control model, direct current transmission power,
Direct current maximum can transport power, dc power prompt drop mark, dc power prompt drop amount, the improper stoppage in transit of direct current；The steady control master
Machine sends steady control modulation orders to twice DC control systems, including promotes direct current signal, promote dc power, return drop direct current letter
Dc power, locking direct current drop in number, time, and twice DC control systems execute power ascension after receiving order accordingly, power returns drop
Or locking direct current.
4. twice DC transmission system master control systems according to claim 1, it is characterized in that: twice DC control systems to
Association's control host sends DC operation information, including the lifting of DC operation state, dc power, reactive power exchange value, additional control
Operating status processed, One Common Earthing Electrode connection status, One Common Earthing Electrode area protection act coherent signal；Association's control host forwarding twice straight
The information of stream gives the respective control to time DC control system, for twice DC control systems；Association's control host simultaneously sentence by synthesis
The information of disconnected twice direct currents sends order to twice direct currents and carries out the idle coordinated control of twice direct currents and additional control coordination control
System.
5. twice DC transmission system master control systems according to claim 1, it is characterized in that: the active association of twice direct currents
Adjusting control module includes power turn band submodule between twice, promotes another time direct current function when returning drop for a DC Line Fault power
Rate, to avoid or reduce twice power losses as far as possible；
The system security and stability control module promotes/returns drop submodule including twice dc powers, for ac and dc systems event
Twice dc powers of drop are promoted or returned when barrier according to active volume.
6. twice DC transmission system master control systems according to claim 1, it is characterized in that: the idle association of twice direct currents
Adjust control module include twice idle coordinated control submodules, twice idle coordinated control submodules for twice it is idle all
The coordination for returning filter switching using when determining alternating voltage control model two；
The additional control coordinating control module includes algorithm for power modulation coordinated control submodule, One Common Earthing Electrode control protection submodule
Block, in which:
The algorithm for power modulation coordinated control submodule, for the coordinated control of additional modulation function, the additional modulation function packet
Include twice frequency control, subsynchronous oscillation damping control；
The One Common Earthing Electrode control protection submodule, the control of One Common Earthing Electrode when having One Common Earthing Electrode for twice direct current designs
System, protection, function for monitoring.
7. twice DC transmission system master control systems according to claim 1, it is characterized in that: the master control system passes through master
Control interface arrangement and DC interface device and the DC control system of one time or double back are communicated, in which: master control system connects
Host interface device is connect, DC interface device connects DC control system, and host interface device connects DC interface device.
8. twice DC transmission system master control systems according to claim 7, it is characterized in that: the master control system and master control
Optical-fibre communications is used between interface arrangement, optical-fibre communications or cable connection is used between host interface device and DC interface device, directly
Optical-fibre communications is used between stream interface device and DC control system.
9. a kind of twice DC transmission system master control system configuration methods, it is characterized in that: for sending end or receiving end in the same change of current
Twice direct currents stood configure master control system, including surely control host and association's control host two parts, the steady control host and association's control host
Independently of each other, signal interaction is carried out with the control system of twice direct currents respectively, twice active coordinations of direct current are arranged in steady control in host
Controlling unit and system security and stability control link, association, which is controlled, is arranged the idle coordinated control link of twice direct currents and additional control in host
Coordinated control link processed；Wherein:
The active coordinated control link of twice direct currents, for carrying out the active coordinated control between twice direct currents；
The system security and stability control link promotes or returns drop for quickly detecting ac and dc systems failure and acting in time
Twice dc powers cut away unit, it is ensured that power network safety operation；
The idle coordinated control link of twice direct currents, for carrying out the idle coordinated control between twice direct currents；
The additional control coordinated control link, for carrying out the modulation of the secondary power between twice direct currents and One Common Earthing Electrode control
The coordinated control of protection.
10. twice DC transmission systems master control system configuration method according to claim 9, it is characterized in that: the steady control
Host and association control host and carry out signal interactions with twice direct currents respectively by optical-fibre communications mode or hard contact mode.
11. twice DC transmission systems master control system configuration method according to claim 9, it is characterized in that: twice direct currents
Control system sends DC operation information, including DC operation state, dc power control model, direct current to the steady control host
Transmission power, direct current maximum can transport power, dc power prompt drop mark, dc power prompt drop amount, the improper stoppage in transit of direct current；Institute
It states steady control host and sends steady control modulation orders to twice DC control systems, including promote direct current signal, promote dc power, return
Drop direct current signal, return drop dc power, locking direct current, twice DC control systems receive executed after order accordingly power ascension,
Power returns drop or locking direct current.
12. twice DC transmission systems master control system configuration method according to claim 9, it is characterized in that: twice direct currents
Control system sends DC operation information, including the lifting of DC operation state, dc power, reactive power exchange to association control host
Value, additional control operating status, One Common Earthing Electrode connection status, One Common Earthing Electrode area protection act coherent signal；Association's control host
Forward the information of twice direct currents to the respective control to time DC control system, for twice DC control systems；Association's control host
Comprehensive descision two returns the information of direct current simultaneously, sends order to twice direct currents and carries out twice idle coordinated controls of direct current and additional control
Coordinated control processed.
13. twice DC transmission systems master control system configuration method according to claim 9, it is characterized in that: described twice
The active coordinated control link of direct current includes power turn band function between twice, is promoted when returning drop for a DC Line Fault power another
Dc power is returned, to avoid or reduce twice power losses as far as possible；
The system security and stability control link includes that twice dc powers promote/return drop function, is used for ac and dc systems failure
When according to active volume promoted or return drop twice dc powers.
14. twice DC transmission systems master control system configuration method according to claim 9, it is characterized in that: described twice
Coordinated control link that direct current is idle includes twice idle coordinated control functions, and twice idle coordinated control functions are used for twice
The idle coordination for all returning filter switching using when determining alternating voltage control model two；
The additional control coordinated control link include algorithm for power modulation coordinated control function, One Common Earthing Electrode control defencive function,
Wherein:
The algorithm for power modulation coordinated control function, for the coordinated control of additional modulation function, the additional modulation function includes
Twice frequency control, subsynchronous oscillation damping control；
The One Common Earthing Electrode controls defencive function, the control of One Common Earthing Electrode when having One Common Earthing Electrode for twice direct current designs
System, protection, function for monitoring.
15. twice DC transmission systems master control system configuration method according to claim 9, it is characterized in that: the master control
System is communicated by host interface device and DC interface device and the DC control system of one time or double back, in which:
Master control system connects host interface device, and DC interface device connects DC control system, and host interface device connection direct current connects
Mouth device.
16. twice DC transmission systems master control system configuration method according to claim 15, it is characterized in that: the master control
Optical-fibre communications is used between system and host interface device, and optical-fibre communications or electricity are used between host interface device and DC interface device
Cable connection, uses optical-fibre communications between DC interface device and DC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298161.6A CN109873444B (en) | 2019-04-15 | 2019-04-15 | Two-loop direct current transmission system master control system and configuration method |
Applications Claiming Priority (1)
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| CN111342482A (en) * | 2020-03-20 | 2020-06-26 | 南京南瑞继保电气有限公司 | Fixed alternating current voltage control coordination method for two-circuit direct current transmission project |
| CN111564900A (en) * | 2020-04-14 | 2020-08-21 | 云南电网有限责任公司 | Stability control system comprising multiple direct current coordinated control main stations and regional stability control substations |
| CN112147977A (en) * | 2020-08-19 | 2020-12-29 | 中国南方电网有限责任公司 | High-fidelity transmission test method for stability control system of direct-current power transmission system |
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| CN103956728A (en) * | 2014-04-30 | 2014-07-30 | 中国南方电网有限责任公司超高压输电公司广州局 | Double-loop power control method for same-tower double-loop direct current transmission system |
| CN106208125A (en) * | 2016-08-01 | 2016-12-07 | 国家电网公司 | A kind of alternating current-direct current control method for coordinating tackling alternating current circuit catastrophe failure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111342482A (en) * | 2020-03-20 | 2020-06-26 | 南京南瑞继保电气有限公司 | Fixed alternating current voltage control coordination method for two-circuit direct current transmission project |
| CN111342482B (en) * | 2020-03-20 | 2022-07-22 | 南京南瑞继保电气有限公司 | Fixed alternating current voltage control coordination method for two-circuit direct current transmission project |
| CN111564900A (en) * | 2020-04-14 | 2020-08-21 | 云南电网有限责任公司 | Stability control system comprising multiple direct current coordinated control main stations and regional stability control substations |
| CN111564900B (en) * | 2020-04-14 | 2023-09-22 | 云南电网有限责任公司 | Stability control system comprising multiple direct current coordination control master stations and regional stability control substations |
| CN112147977A (en) * | 2020-08-19 | 2020-12-29 | 中国南方电网有限责任公司 | High-fidelity transmission test method for stability control system of direct-current power transmission system |
| CN112147977B (en) * | 2020-08-19 | 2023-09-01 | 中国南方电网有限责任公司 | High-fidelity transmission test method for stability control system of direct-current transmission system |
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