CN106208153A - A kind of power plant subsidiary engine tracking power source system - Google Patents
A kind of power plant subsidiary engine tracking power source system Download PDFInfo
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- CN106208153A CN106208153A CN201610602800.XA CN201610602800A CN106208153A CN 106208153 A CN106208153 A CN 106208153A CN 201610602800 A CN201610602800 A CN 201610602800A CN 106208153 A CN106208153 A CN 106208153A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of power plant subsidiary engine tracking power source system, including HV Auxiliary Transformer, station-service subsidiary engine and tracking power source electromotor；Wherein, the present invention utilizes Steam Turbine Driven tracking power source electromotor to power for station-service subsidiary engine, according to different load to air quantity, the demand of the water yield, regulation blower fan, water pump class subsidiary engine rotating speed run to optimum operating condition, thus avoid damper and dam the energy loss caused；The present invention is a kind of power plant novel energy-conservation consumption lowering technology, it is possible to Auxiliary System in Power Plant rate is greatly lowered.
Description
Technical field:
The present invention relates to a kind of power plant energy saving of system lower consumption system, be specifically related to a kind of power plant subsidiary engine tracking
Power source system.
Background technology:
In thermal power plant, the station-service load of 80% rotates subsidiary engine by various blower fans, pump class etc. and is consumed.When subsidiary engine
When load runs less than rated value, its efficiency declines to a great extent.This is because to all kinds of working medium streams during in order to reduce main frame underload
The demand of amount, have employed the measure such as damper, choke valve, substantial amounts of energy has been lost, cause the serious waste of electric energy.For
This, the general running frequency using converter to reduce subsidiary engine so that subsidiary engine is operated in efficacious workaround as far as possible, reduces joint simultaneously
Stream loss, obtains the most considerable energy-saving effect.
From the point of view of power plant converter ruuning situation, its electronic component complexity causes reliability to reduce, to unit operation
Safety brings serious threat, is a problem of generation current factory maintainer extremely headache.It addition, each subsidiary engine is individually joined
Putting a converter, large number of converter is safeguarded the most loaded down with trivial details, and maintenance workload is the biggest.
Also have other subsidiary engine speed control device, such as fluid coupling, permanent-magnet speed governor, permanent magnetic coupling etc., there is cost
Problem high, that operation troubles rate is high, regulating effect is poor, in thermal power plant, application is subject to certain restrictions.
Summary of the invention:
It is an object of the invention to the deficiency existed for existing station-service subsidiary engine power supply mode, it is provided that a kind of power plant is with auxiliary
Machine tracking power source system, its good energy-conserving effect, reliability are high, simple in construction, station service power consumption rate can be greatly lowered simultaneously, suitable
For various station-service subsidiary engine electric power systems.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that and realizes:
A kind of power plant subsidiary engine tracking power source system, including HV Auxiliary Transformer, A section station-service subsidiary engine, B section station-service
Subsidiary engine and tracking power source electromotor；Wherein,
Described HV Auxiliary Transformer high voltage side lead-in end is connected with power plant main electrical scheme, and two low-voltage side outlet ends are respectively
It is connected with A section station-service subsidiary engine and B section station-service subsidiary engine by cable run；Described A section station-service subsidiary engine end of incoming cables and B section station-service subsidiary engine
End of incoming cables is connected with described tracking power source generator outlet end after being connected by cable run.
The present invention is further improved by: described A section station-service subsidiary engine include station-service A section bus, the first chopper, first
Bus, the first quick current-limiting device, the second bus, the first subsidiary engine cable run, the first subsidiary engine, the first subsidiary engine are disconnected
Road device, subsidiary engine A section bus, the second subsidiary engine cable run, the second subsidiary engine, the second subsidiary engine chopper, the 3rd subsidiary engine cable run,
Three subsidiary engines, the 3rd subsidiary engine chopper and the second chopper；Wherein,
Described station-service A section bus is connected with HV Auxiliary Transformer low-pressure side one end through described first chopper, this factory
It is connected with subsidiary engine A section bus through the first bus, the first quick current-limiting device, the second bus with A section bus simultaneously,
Described first subsidiary engine passes sequentially through the first subsidiary engine cable run, the first subsidiary engine chopper is connected with subsidiary engine A section bus, and described second
Subsidiary engine passes sequentially through the second subsidiary engine cable run, the second subsidiary engine chopper is connected with subsidiary engine A section bus, and described 3rd subsidiary engine is successively
It is connected with subsidiary engine A section bus by the 3rd subsidiary engine cable run, the 3rd subsidiary engine chopper.
The present invention is further improved by: described B section station-service subsidiary engine include the 3rd chopper, station-service B section bus, the 3rd
Bus, the second quick current-limiting device, the 4th bus, the 4th subsidiary engine cable run, the 4th subsidiary engine, the 4th subsidiary engine are disconnected
Road device, station-service B section bus, the 5th subsidiary engine cable run, the 5th subsidiary engine, the 5th subsidiary engine chopper, the 6th subsidiary engine cable run,
Six subsidiary engines, the 6th subsidiary engine chopper, the 4th chopper；Wherein,
Described station-service B section bus is connected with the HV Auxiliary Transformer low-pressure side other end through described 3rd chopper, should
Station-service B section bus is simultaneously through the 3rd bus, the second quick current-limiting device, the 4th bus and subsidiary engine B section bus phase
Even, described 4th subsidiary engine passes sequentially through the 4th subsidiary engine cable run, the 4th subsidiary engine chopper is connected with subsidiary engine B section bus, described
5th subsidiary engine passes sequentially through the 5th subsidiary engine cable run, the 5th subsidiary engine chopper is connected with subsidiary engine B section bus, described 6th subsidiary engine
Pass sequentially through the 6th subsidiary engine cable run, the 6th subsidiary engine chopper is connected with subsidiary engine B section bus.
The present invention is further improved by: described first subsidiary engine, the second subsidiary engine, the 3rd subsidiary engine, the 4th subsidiary engine, the 5th auxiliary
Machine and the 6th subsidiary engine are incorporated into the power networks, and tracking power source electromotor in A section station-service subsidiary engine, the most described first chopper, second
Chopper, the 3rd chopper, the first bus, the second bus, the 3rd bus and the 4th mother open circuit
Device is in closure state, and described 4th chopper is then off；
Described first subsidiary engine, the second subsidiary engine, the 3rd subsidiary engine, the 4th subsidiary engine, the 5th subsidiary engine and the 6th subsidiary engine are incorporated into the power networks, and
Tracking power source electromotor in B section station-service subsidiary engine, the most described first chopper, the 3rd chopper, the 4th chopper, first female
Connection chopper, the second bus, the 3rd bus and the 4th bus are in closure state, and described second
Section sharp weapon are then off.
The present invention is further improved by: described first subsidiary engine, the second subsidiary engine, the 3rd subsidiary engine, the 4th subsidiary engine, the 5th auxiliary
Machine and the 6th subsidiary engine are incorporated into the power networks, and tracking power source electromotor in A section station-service subsidiary engine, the most described first chopper, second
Chopper, the 3rd chopper, the 4th chopper, the first bus, the second bus are in closure state, described
3rd bus and the 4th bus are then off；
Described first subsidiary engine, the second subsidiary engine, the 3rd subsidiary engine, the 4th subsidiary engine, the 5th subsidiary engine and the 6th subsidiary engine are incorporated into the power networks, and
Tracking power source electromotor in B section station-service subsidiary engine, the most described first chopper, the second chopper, the 3rd chopper, the 4th breaks
Road device, the 3rd bus and the 4th bus are in closure state, described first bus, the second mother
Chopper is then off.
The present invention is further improved by: described first subsidiary engine, the second subsidiary engine, the 3rd subsidiary engine, the 4th subsidiary engine, the 5th auxiliary
Machine and the 6th subsidiary engine isolated power grid, and tracking power source electromotor band A section station-service subsidiary engine load, the most described first chopper,
Two choppers, the 3rd chopper, the 3rd bus and the 4th bus are in closure state, described first mother
Chopper, the second bus, the 4th chopper are then off；
Described first subsidiary engine, the second subsidiary engine, the 3rd subsidiary engine, the 4th subsidiary engine, the 5th subsidiary engine and the 6th subsidiary engine isolated power grid, and
Tracking power source electromotor band B section station-service subsidiary engine load, the most described first chopper, the 3rd chopper, the 4th chopper, first
Bus, the second bus are in closure state, described 3rd bus, the 4th bus,
Two choppers are then off.
The present invention is further improved by: described first subsidiary engine, the second subsidiary engine, the 3rd subsidiary engine, the 4th subsidiary engine, the 5th auxiliary
Machine and the 6th subsidiary engine isolated power grid, and tracking power source electromotor band B section station-service subsidiary engine and A section station-service subsidiary engine load, i.e. described
First chopper, the second chopper, the 3rd chopper, the 3rd bus, the 4th section of sharp weapon are in closure state, described
First bus, the second bus, the 3rd bus and the 4th bus are then off.
The present invention is further improved by: described A section station-service subsidiary engine and B section station-service subsidiary engine are by one or more subsidiary engines
Composition.
Compared with prior art, the invention have the advantages that
1, present system simple in construction, it is possible to be applicable to different station-service auxiliary systems, can be that multiple station-service subsidiary engine sets
Available electricity.
2, the present invention individually set up subsidiary engine bus section, busbar section, it is to avoid each subsidiary engine is separately provided stand-by power supply, decreases height
The length of voltage cable and high-voltage switch gear interval quantity.
3, the present invention uses quick current-limiting technology, solves subsidiary engine handoff procedure Auxiliary System short circuit current overrun issues,
Avoid the risk that chopper explodes because of disjunction over capacity short circuit current.
4, the present invention can be realized the switching of whole section of power supply by a set of fast switching device, it is to avoid power supply installed respectively by each subsidiary engine
Switching device, decreases quantity and the secondary cable consumption of switching device, improves reliability.
5, the present invention uses synchronizing mode to realize subsidiary engine steadily to switch between auxiliary bus bar and subsidiary engine bus, it is to avoid big
The impact to tracking power source generator system of the capacity subsidiary engine, safety reliability greatly improves.
6, energy-saving effect of the present invention is superior, it is possible to station service power consumption rate is greatly lowered, practical.According to different load, with
Step joint subsidiary engine rotating speed runs to optimum operating condition, thus avoids conventional station-service subsidiary engine and use damper to dam the energy caused
Loss is suitable.
In sum, good energy-conserving effect of the present invention, work efficiency is high, practical, be easy to promote the use of.
Accompanying drawing illustrates:
Fig. 1 is present configuration schematic diagram.
Fig. 2 is that the present invention is incorporated into the power networks mode one schematic diagram, and wherein, Fig. 2 (a) is tracking power source auxiliary with A section station-service
Machine is incorporated into the power networks mode one schematic diagram, Fig. 2 (b) be tracking power source tracking power source and with the B section station-service subsidiary engine side of being incorporated into the power networks
Formula one schematic diagram.
Fig. 3 is that the present invention is incorporated into the power networks mode two schematic diagram, and wherein, Fig. 3 (a) is tracking power source auxiliary with A section station-service
Machine is incorporated into the power networks mode two schematic diagram, Fig. 3 (b) be tracking power source tracking power source and with the B section station-service subsidiary engine side of being incorporated into the power networks
Formula two schematic diagram.
Fig. 4 is isolated power grid mode one schematic diagram of the present invention, and wherein, Fig. 4 (a) is tracking power source band A section station-service subsidiary engine
Load isolated power grid mode one schematic diagram, Fig. 4 (b) is that tracking power source band B section station-service subsidiary engine load isolated power grid mode one is former
Reason figure.
Tracking power source band B section station-service subsidiary engine load.
Fig. 5 is tracking power source band A section of the present invention and B section station-service subsidiary engine load isolated power grid mode two schematic diagram.
In figure: 1 HV Auxiliary Transformer；2 A section station-service subsidiary engines；3 B section station-service subsidiary engines；4 tracking power sources are sent out
Motor；2-1 station-service A section bus；2-2 the first chopper；2-3 the first bus；2-4 the first quick current-limiting
Device；2-5 the second bus；2-6 the first subsidiary engine cable run；2-7 the first subsidiary engine；2-8 the first subsidiary engine open circuit
Device；2-9 subsidiary engine A section bus；2-10 the second subsidiary engine cable run；2-11 the second subsidiary engine；2-12 the second subsidiary engine open circuit
Device；2-13 the 3rd subsidiary engine cable run；2-14 the 3rd subsidiary engine；2-15 the 3rd subsidiary engine chopper；2-16 the second open circuit
Device；3-1 the 3rd chopper；3-2, station-service B section bus；3-3 the 3rd bus；3-4 the second quick current-limiting device；
3-5 the 4th bus；3-6 the 4th subsidiary engine cable run；3-7 the 4th subsidiary engine；3-8 the 4th subsidiary engine chopper；
3-9 station-service B section bus；3-10 the 5th subsidiary engine cable run；3-11 the 5th subsidiary engine；3-12 the 5th subsidiary engine chopper；
3-13 the 6th subsidiary engine cable run；3-14 the 6th subsidiary engine；3-15 the 6th subsidiary engine chopper；3-16 the 4th chopper.
Detailed description of the invention:
Below by drawings and Examples, technical scheme is described in further detail.
As it is shown in figure 1, one power plant of the present invention subsidiary engine tracking power source system, including HV Auxiliary Transformer 1, A
Section station-service subsidiary engine 2, B section station-service subsidiary engine 3 and tracking power source electromotor 4；Wherein, described HV Auxiliary Transformer 1 high-pressure side is entered
Line end is connected with outside thermal power plant main electrical scheme, and two low-voltage side outlet ends are respectively by cable run and A section station-service subsidiary engine 2
It is connected with B section station-service subsidiary engine 3；Described A section station-service subsidiary engine 2 end of incoming cables is connected by cable run with B section station-service subsidiary engine 3 end of incoming cables
It is connected with described tracking power source electromotor 4 leading-out terminal afterwards；Described A section station-service subsidiary engine 2 include station-service A section bus 2-1, first
Chopper 2-2, the first bus 2-3, the first quick current-limiting device 2-4, the second bus 2-5, the first subsidiary engine cable
Circuit 2-6, the first subsidiary engine 2-7, the first subsidiary engine chopper 2-8, subsidiary engine A section bus 2-9, the second subsidiary engine cable run 2-10,
Two subsidiary engine 2-11, the second subsidiary engine chopper 2-12, the 3rd subsidiary engine cable run 2-13, the 3rd subsidiary engine 2-14, the 3rd subsidiary engine open circuit
Device 2-15 and the second chopper 2-16；Wherein, described station-service A section bus 2-1 is through described first chopper 2-2 and high-voltage Auxiliary
Transformator 1 secondary side one end is connected, and this station-service A section bus 2-1 is simultaneously through the first bus 2-3, the first quick current-limiting device
2-4, the second bus 2-5 are connected with subsidiary engine A section bus 2-9, and described first subsidiary engine 2-7 passes sequentially through the first subsidiary engine cable
Circuit 2-6, the first subsidiary engine chopper 2-8 are connected with subsidiary engine A section bus 2-9, and it is auxiliary that described second subsidiary engine 2-11 passes sequentially through second
Electric cable circuit 2-10, the second subsidiary engine chopper 2-12 are connected with subsidiary engine A section bus 2-9, and described 3rd subsidiary engine 2-14 leads to successively
Cross the 3rd subsidiary engine cable run 2-13, the 3rd subsidiary engine chopper 2-15 to be connected with subsidiary engine A section bus 2-9；Described B section station-service subsidiary engine
3 include the 3rd chopper 3-1, station-service B section bus 3-2, the 3rd bus 3-3, the second quick current-limiting device 3-4, the 4th mother
Connection chopper 3-5, the 4th subsidiary engine cable run 3-6, the 4th subsidiary engine 3-7, the 4th subsidiary engine chopper 3-8, station-service B section bus 3-9,
5th subsidiary engine cable run 3-10, the 5th subsidiary engine 3-11, the 5th subsidiary engine chopper 3-12, the 6th subsidiary engine cable run 3-13,
Six subsidiary engine 3-14, the 6th subsidiary engine chopper 3-15, the 4th chopper 3-16；Wherein, described station-service B section bus 3-2 is through described
3rd chopper 3-1 is connected with the HV Auxiliary Transformer 1 low-pressure side other end, and this station-service B section bus 3-2 is simultaneously through the 3rd mother
Chopper 3-3, the second quick current-limiting device 3-4, the 4th bus 3-5 are connected with subsidiary engine B section bus 3-9, described 4th auxiliary
Machine 3-7 passes sequentially through the 4th subsidiary engine cable run 3-6, the 4th subsidiary engine chopper 3-8 and is connected with subsidiary engine B section bus 3-9, and described
Five subsidiary engine 3-11 pass sequentially through the 5th subsidiary engine cable run 3-10, the 5th subsidiary engine chopper 3-12 and subsidiary engine B section bus 3-9 phase
Even, described 6th subsidiary engine 3-14 passes sequentially through the 6th subsidiary engine cable run 3-13, the 6th subsidiary engine chopper 3-15 and subsidiary engine B section mother
Line 3-9 is connected.
As in figure 2 it is shown, in the present embodiment, described first subsidiary engine 2-7, the second subsidiary engine 2-11, the 3rd subsidiary engine 2-14, the 4th auxiliary
Machine 3-7, the 5th subsidiary engine 3-11 and the 6th subsidiary engine 3-14 are incorporated into the power networks mode one, and tracking power source electromotor 4 in A section station-service
Subsidiary engine 2, the most described first chopper 2-2, the second chopper 2-16, the 3rd chopper 3-1, the first bus 2-3, second
Bus 2-5, the 3rd bus 3-3 and the 4th bus 3-5 are in closure state；Described first subsidiary engine
2-7, the second subsidiary engine 2-11, the 3rd subsidiary engine 2-14, the 4th subsidiary engine 3-7, the 5th subsidiary engine 3-11 and the 6th subsidiary engine 3-14 are incorporated into the power networks
Mode one, and tracking power source electromotor 4 in B section station-service subsidiary engine 3, the most described first chopper 2-2, the 3rd chopper 3-1,
4th chopper 3-16, the first bus 2-3, the second bus 2-5, the 3rd bus 3-3 and the 4th are female
Connection chopper 3-5 is in closure state.
As it is shown on figure 3, in the present embodiment, described first subsidiary engine 2-7, the second subsidiary engine 2-11, the 3rd subsidiary engine 2-14, the 4th auxiliary
Machine 3-7, the 5th subsidiary engine 3-11 and the 6th subsidiary engine 3-14 are incorporated into the power networks mode two, and tracking power source electromotor 4 in A section station-service
Subsidiary engine 2, the most described first chopper 2-2, the second chopper 2-16, the 3rd chopper 3-1, the 4th chopper 3-16, the first mother
Connection chopper 2-3, the second bus 2-5 are in closure state；Described first subsidiary engine 2-7, the second subsidiary engine 2-11, the 3rd
Subsidiary engine 2-14, the 4th subsidiary engine 3-7, the 5th subsidiary engine 3-11 and the 6th subsidiary engine 3-14 are incorporated into the power networks mode two, and tracking power source is sent out
Motor 4 in B section station-service subsidiary engine 3, the most described first chopper 2-2, the second chopper 2-16, the 3rd chopper 3-1, the 4th breaks
Road device 3-16, the 3rd bus 3-3 and the 4th bus 3-5 are in closure state.
As shown in Figure 4, in the present embodiment, described first subsidiary engine 2-7, the second subsidiary engine 2-11, the 3rd subsidiary engine 2-14, the 4th auxiliary
Machine 3-7, the 5th subsidiary engine 3-11 and the 6th subsidiary engine 3-14 isolated power grid mode one, and tracking power source electromotor 4 band A section station-service is auxiliary
Machine 2 load, the most described first chopper 2-2, the second chopper 2-16, the 3rd chopper 3-1, the 3rd bus 3-3 and
4th bus 3-5 is in closure state；Described first subsidiary engine 2-7, the second subsidiary engine 2-11, the 3rd subsidiary engine 2-14,
Four subsidiary engine 3-7, the 5th subsidiary engine 3-11 and the 6th subsidiary engine 3-14 isolated power grid mode one, and tracking power source electromotor 4 band B section factory
With subsidiary engine 3 load, the most described first chopper 2-2, the 3rd chopper 3-1, the 4th chopper 3-16, the first bus 2-
3, the second bus 2-5 is in closure state.
As it is shown in figure 5, in the present embodiment, described first subsidiary engine 2-7, the second subsidiary engine 2-11, the 3rd subsidiary engine 2-14, the 4th auxiliary
Machine 3-7, the 5th subsidiary engine 3-11 and the 6th subsidiary engine 3-14 isolated power grid mode two, and tracking power source electromotor 4 band B section station-service is auxiliary
Machine 3 and A section station-service subsidiary engine 2 load, the most described first chopper 2-2, the second chopper 2-16, the 3rd chopper 3-1, the 3rd mother
Connection chopper 3-3, the 4th tunnel device 3-16 that breaks is in closure state.
As it is shown in figure 1, in the present embodiment, described A section station-service subsidiary engine 2 and B section station-service subsidiary engine 3 is by one or more subsidiary engines
Composition.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention
Any simple modification, change and the equivalent structure change that above example is made by technical spirit, all still falls within skill of the present invention
In the protection domain of art scheme.
Claims (8)
1. a power plant subsidiary engine tracking power source system, it is characterised in that: include HV Auxiliary Transformer (1), A section station-service
Subsidiary engine (2), B section station-service subsidiary engine (3) and tracking power source electromotor (4)；Wherein,
Described HV Auxiliary Transformer (1) high voltage side lead-in end is connected with power plant main electrical scheme, and two low-voltage side outlet ends are respectively
It is connected with A section station-service subsidiary engine (2) and B section station-service subsidiary engine (3) by cable run；Described A section station-service subsidiary engine (2) end of incoming cables and B
Section station-service subsidiary engine (3) end of incoming cables is connected with described tracking power source electromotor (4) leading-out terminal after being connected by cable run.
A kind of power plant the most according to claim 1 subsidiary engine tracking power source system, it is characterised in that:
Described A section station-service subsidiary engine (2) includes station-service A section bus (2-1), the first chopper (2-2), the first bus (2-
3), the first quick current-limiting device (2-4), the second bus (2-5), the first subsidiary engine cable run (2-6), the first subsidiary engine (2-
7), the first subsidiary engine chopper (2-8), subsidiary engine A section bus (2-9), the second subsidiary engine cable run (2-10), the second subsidiary engine (2-
11), the second subsidiary engine chopper (2-12), the 3rd subsidiary engine cable run (2-13), the 3rd subsidiary engine (2-14), the 3rd subsidiary engine chopper
(2-15) He the second chopper (2-16)；Wherein,
Described station-service A section bus (2-1) is through described first chopper (2-2) and HV Auxiliary Transformer (1) low-pressure side one end
Being connected, this station-service A section bus (2-1) is simultaneously through the first bus (2-3), the first quick current-limiting device (2-4), the second mother
Chopper (2-5) is connected with subsidiary engine A section bus (2-9), and described first subsidiary engine (2-7) passes sequentially through the first subsidiary engine cable run
(2-6), the first subsidiary engine chopper (2-8) be connected with subsidiary engine A section bus (2-9), described second subsidiary engine (2-11) passes sequentially through
Two subsidiary engine cable runs (2-10), the second subsidiary engine chopper (2-12) are connected with subsidiary engine A section bus (2-9), described 3rd subsidiary engine
(2-14) the 3rd subsidiary engine cable run (2-13), the 3rd subsidiary engine chopper (2-15) and subsidiary engine A section bus (2-9) phase are passed sequentially through
Even.
A kind of Auxiliary Machinery of Power Plant tracking power source system the most according to claim 2, it is characterised in that:
Described B section station-service subsidiary engine (3) includes the 3rd chopper (3-1), station-service B section bus (3-2), the 3rd bus (3-
3), the second quick current-limiting device (3-4), the 4th bus (3-5), the 4th subsidiary engine cable run (3-6), the 4th subsidiary engine (3-
7), the 4th subsidiary engine chopper (3-8), station-service B section bus (3-9), the 5th subsidiary engine cable run (3-10), the 5th subsidiary engine (3-
11), the 5th subsidiary engine chopper (3-12), the 6th subsidiary engine cable run (3-13), the 6th subsidiary engine (3-14), the 6th subsidiary engine chopper
(3-15), the 4th chopper (3-16)；Wherein,
Described station-service B section bus (3-2) through described 3rd chopper (3-1) and HV Auxiliary Transformer (1) low-pressure side another
End is connected, and this station-service B section bus (3-2) is simultaneously through the 3rd bus (3-3), the second quick current-limiting device (3-4), the 4th mother
Connection chopper (3-5) is connected with subsidiary engine B section bus (3-9), and described 4th subsidiary engine (3-7) passes sequentially through the 4th subsidiary engine cable run
(3-6), the 4th subsidiary engine chopper (3-8) be connected with subsidiary engine B section bus (3-9), described 5th subsidiary engine (3-11) passes sequentially through
Five subsidiary engine cable runs (3-10), the 5th subsidiary engine chopper (3-12) are connected with subsidiary engine B section bus (3-9), described 6th subsidiary engine
(3-14) the 6th subsidiary engine cable run (3-13), the 6th subsidiary engine chopper (3-15) and subsidiary engine B section bus (3-9) phase are passed sequentially through
Even.
A kind of power plant the most according to claim 3 subsidiary engine tracking power source system, it is characterised in that:
Described first subsidiary engine (2-7), the second subsidiary engine (2-11), the 3rd subsidiary engine (2-14), the 4th subsidiary engine (3-7), the 5th subsidiary engine (3-
11) it is incorporated into the power networks with the 6th subsidiary engine (3-14), and tracking power source electromotor (4) in A section station-service subsidiary engine (2), the most described
One chopper (2-2), the second chopper (2-16), the 3rd chopper (3-1), the first bus (2-3), the second mother are disconnected
Road device (2-5), the 3rd bus (3-3) and the 4th bus (3-5) are in closure state, described 4th open circuit
Device (3-16) is then off；
Described first subsidiary engine (2-7), the second subsidiary engine (2-11), the 3rd subsidiary engine (2-14), the 4th subsidiary engine (3-7), the 5th subsidiary engine (3-
11) it is incorporated into the power networks with the 6th subsidiary engine (3-14), and tracking power source electromotor (4) in B section station-service subsidiary engine (3), the most described
One chopper (2-2), the 3rd chopper (3-1), the 4th chopper (3-16), the first bus (2-3), the second mother are disconnected
Road device (2-5), the 3rd bus (3-3) and the 4th bus (3-5) are in closure state, described second segment profit
Device (2-16) is then off.
A kind of power plant the most according to claim 3 subsidiary engine tracking power source system, it is characterised in that:
Described first subsidiary engine (2-7), the second subsidiary engine (2-11), the 3rd subsidiary engine (2-14), the 4th subsidiary engine (3-7), the 5th subsidiary engine (3-
11) it is incorporated into the power networks with the 6th subsidiary engine (3-14), and tracking power source electromotor (4) in A section station-service subsidiary engine (2), the most described
One chopper (2-2), the second chopper (2-16), the 3rd chopper (3-1), the 4th chopper (3-16), the first mother open circuit
It is disconnected that device (2-3), the second bus (2-5) are in closure state, described 3rd bus (3-3) and the 4th mother
Road device (3-5) is then off；
Described first subsidiary engine (2-7), the second subsidiary engine (2-11), the 3rd subsidiary engine (2-14), the 4th subsidiary engine (3-7), the 5th subsidiary engine (3-
11) it is incorporated into the power networks with the 6th subsidiary engine (3-14), and tracking power source electromotor (4) in B section station-service subsidiary engine (3), the most described
One chopper (2-2), the second chopper (2-16), the 3rd chopper (3-1), the 4th chopper (3-16), the 3rd mother open circuit
Device (3-3) and the 4th bus (3-5) are in closure state, and described first bus (2-3), the second mother are broken
Road device (2-5) is then off.
A kind of power plant the most according to claim 3 subsidiary engine tracking power source system, it is characterised in that:
Described first subsidiary engine (2-7), the second subsidiary engine (2-11), the 3rd subsidiary engine (2-14), the 4th subsidiary engine (3-7), the 5th subsidiary engine (3-
11) and the 6th subsidiary engine (3-14) isolated power grid, and tracking power source electromotor (4) band A section station-service subsidiary engine (2) load, i.e. described
First chopper (2-2), the second chopper (2-16), the 3rd chopper (3-1), the 3rd bus (3-3) and the 4th are female
Connection chopper (3-5) is in closure state, described first bus (2-3), the second bus (2-5), the 4th
Chopper (3-16) is then off；
Described first subsidiary engine (2-7), the second subsidiary engine (2-11), the 3rd subsidiary engine (2-14), the 4th subsidiary engine (3-7), the 5th subsidiary engine (3-
11) and the 6th subsidiary engine (3-14) isolated power grid, and tracking power source electromotor (4) band B section station-service subsidiary engine (3) load, i.e. described
First chopper (2-2), the 3rd chopper (3-1), the 4th chopper (3-16), the first bus (2-3), the second mother
Chopper (2-5) is in closure state, described 3rd bus (3-3), the 4th bus (3-5), second breaks
Road device (2-16) is then off.
A kind of power plant the most according to claim 3 subsidiary engine tracking power source system, it is characterised in that:
Described first subsidiary engine (2-7), the second subsidiary engine (2-11), the 3rd subsidiary engine (2-14), the 4th subsidiary engine (3-7), the 5th subsidiary engine (3-
11) and the 6th subsidiary engine (3-14) isolated power grid, and tracking power source electromotor (4) band B section station-service subsidiary engine (3) and A section station-service auxiliary
Machine (2) load, the most described first chopper (2-2), the second chopper (2-16), the 3rd chopper (3-1), the 3rd mother open circuit
Device (3-3), the 4th section of sharp weapon (3-16) are in closure state, described first bus (2-3), the second bus
(2-5), the 3rd bus (3-3) and the 4th bus (3-5) are then off.
A kind of power plant the most according to claim 1 subsidiary engine tracking power source system, it is characterised in that: described A section factory
Form by one or more subsidiary engines with subsidiary engine (2) and B section station-service subsidiary engine (3).
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| CN201610602800.XA CN106208153B (en) | 2016-07-27 | 2016-07-27 | A kind of power generation station-service subsidiary engine system tune power source system |
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| CN201610602800.XA CN106208153B (en) | 2016-07-27 | 2016-07-27 | A kind of power generation station-service subsidiary engine system tune power source system |
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| CN106208153B CN106208153B (en) | 2018-09-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849090A (en) * | 2017-03-24 | 2017-06-13 | 上海申能电力科技有限公司 | A kind of electric energy conversion of new multiport and switching system |
| CN108964112A (en) * | 2017-05-19 | 2018-12-07 | 中国电力工程顾问集团华东电力设计院有限公司 | The wiring construction and its operation method of small steam turbine generator access high-voltage Auxiliary electric system |
| CN108900116B (en) * | 2018-06-06 | 2020-06-09 | 三峡大学 | Auxiliary control device and control method for power plant motor |
| CN111913060A (en) * | 2020-07-06 | 2020-11-10 | 西安热工研究院有限公司 | Checking system and method for checking differential protection polarity through main transformer reverse power transmission load |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013158205A (en) * | 2012-01-31 | 2013-08-15 | New Energy Research Institute | Disaster/power failure countermeasure power supply system |
| CN203522182U (en) * | 2013-09-11 | 2014-04-02 | 河北省电力勘测设计研究院 | Medium voltage station service system in auxiliary engine single-row configuration of two units in thermal power plant |
| CN203911829U (en) * | 2014-02-24 | 2014-10-29 | 冯伟忠 | Novel frequency conversion system for thermal power station |
| CN105317474A (en) * | 2015-08-30 | 2016-02-10 | 华电电力科学研究院 | Power plant system with additional steam turbine and variable frequency auxiliary machines and control method |
-
2016
- 2016-07-27 CN CN201610602800.XA patent/CN106208153B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013158205A (en) * | 2012-01-31 | 2013-08-15 | New Energy Research Institute | Disaster/power failure countermeasure power supply system |
| CN203522182U (en) * | 2013-09-11 | 2014-04-02 | 河北省电力勘测设计研究院 | Medium voltage station service system in auxiliary engine single-row configuration of two units in thermal power plant |
| CN203911829U (en) * | 2014-02-24 | 2014-10-29 | 冯伟忠 | Novel frequency conversion system for thermal power station |
| CN105317474A (en) * | 2015-08-30 | 2016-02-10 | 华电电力科学研究院 | Power plant system with additional steam turbine and variable frequency auxiliary machines and control method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849090A (en) * | 2017-03-24 | 2017-06-13 | 上海申能电力科技有限公司 | A kind of electric energy conversion of new multiport and switching system |
| CN108964112A (en) * | 2017-05-19 | 2018-12-07 | 中国电力工程顾问集团华东电力设计院有限公司 | The wiring construction and its operation method of small steam turbine generator access high-voltage Auxiliary electric system |
| CN108900116B (en) * | 2018-06-06 | 2020-06-09 | 三峡大学 | Auxiliary control device and control method for power plant motor |
| CN111913060A (en) * | 2020-07-06 | 2020-11-10 | 西安热工研究院有限公司 | Checking system and method for checking differential protection polarity through main transformer reverse power transmission load |
| CN111913060B (en) * | 2020-07-06 | 2023-04-25 | 西安热工研究院有限公司 | Verification system and method for checking differential protection polarity through main transformer inverted power transmission on load |
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| Publication number | Publication date |
|---|---|
| CN106208153B (en) | 2018-09-18 |
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