CN1756013A - Generator main circuit engine - Google Patents
Generator main circuit engine Download PDFInfo
- Publication number
- CN1756013A CN1756013A CNA2005101125151A CN200510112515A CN1756013A CN 1756013 A CN1756013 A CN 1756013A CN A2005101125151 A CNA2005101125151 A CN A2005101125151A CN 200510112515 A CN200510112515 A CN 200510112515A CN 1756013 A CN1756013 A CN 1756013A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- bus
- generator
- breaker
- main circuit
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/14—Circuit arrangements for improvement of commutation, e.g. by use of unidirectionally conductive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/40—Structural association with grounding devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Gas-Insulated Switchgears (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
To reduce the footprint of a main circuit apparatus in a pumping hydroelectric power station. A contact switch of an electric brake disconnector 3a is accommodated and disposed in an enclosure of a phase separation bus 10, and a contact switch of a starting disconnector 4b is accommodated and disposed in the enclosure of a phase separation bus 11 between a power generator and a circuit breaker 1a of the power generator. Similarly, the contact switch of the starting disconnector 4b is accommodated in an enclosure of a phase separation bus 12. Three phases have the identical height in a phase separation bus 13 by bending the phases on both ends. A contact switch of a grounding switch 5a is accommodated in the enclosure of the phase separation bus 13.
Description
Technical field
The present invention relates to generator main circuit engine, especially be used in the formula of the pumping up water hydropower station that generator is converted to when pumping up water motor in generator main circuit engine relevant.
Background technology
In recent years, because electricity needs has the trend of increase, the power station was required high efficiency operation.Therefore, popularize the formula hydropower station that pumps up water as the high efficiency power station of performance.
On the one hand, the coordination of environment is paid attention in the construction in power station, and so landscape or environment around the design of this machine room is required not destroy are more with the situation that is designed to tunnel or underground type structure in power station.The power station that expectation has structure like this reduces cost when building when floor space is little.
Existing, the generator main circuit engine that constitutes generator main circuit is to be provided with separately, so floor space is very big.But, dwindle in the method for floor space in expectation, as Patent Document 1 (spy opens flat 10-112906 communique) record, have and dwindle the motion of conversion with the configuration place of circuit breaker.
Summary of the invention
Existing generator main circuit engine, each machine are as the monomer setting, so the floor space change is big, has caused the increase of cost of erection in the power station of tunnel structure.In addition, even in above-mentioned Patent Document 1, the place of the main circuit engine beyond the circuit breaker is not considered yet.
The objective of the invention is in view of above-mentioned prior art problems, provide a kind of and be used in the formula hydropower station that pumps up water the generator main circuit engine that floor space is little and economy is superior.
For achieving the above object, the invention is characterized in, the contact switch portion of generator main circuit engine that is used in the reciprocal commentaries on classics circuit breaker of the phase sequence conversion conversion that will possess in the formula of the pumping up water hydropower station that when pumping up water generator is converted to motor carry out generator circuit breaker and generator main circuit is left in the mutual shell that separates bus, and contact switch portion is directly installed on the mutual separation bus-bars conductor.
According to the present invention, be employed in generator main circuit engine in the formula hydropower station that pumps up water and have the little configuration structure of area is set, therefore there is floor space little, the effect that economy is superior.
Description of drawings
Fig. 1 is the connection layout of main circuit bus of formula hydropower station of pumping up water.
Fig. 2 is the configuration structure according to the generator main circuit engine of the embodiment of the invention 1.
Fig. 3 is the cut-away view according to the electric braking circuit breaker of the A-A section of Fig. 2.
Fig. 4 is the cut-away view according to the breaker used in start of the B-B section of Fig. 2.
Fig. 5 is the cut-away view according to the grounding opening-closing device of the C-C section of Fig. 2.
Fig. 6 is the configuration structure according to the generator main circuit engine of the embodiment of the invention 2.
Fig. 7 is according to the electric braking circuit breaker of the D-D section of Fig. 6 and the cut-away view of breaker used in start.
Fig. 8 is the configuration structure according to the generator main circuit engine of the embodiment of the invention 3.
Fig. 9 is the generator circuit breaker of Fig. 8, has deposited the cut-away view of breaker used in start.
Figure 10 is the cut-away view of generator circuit breaker of having deposited the breaker used in start of the variation of representing as Fig. 9.
Symbol description
1,1a, 1b, 1c ... generator circuit breaker, 2,2a, 2b, 2c ... reciprocal commentaries on classics circuit breaker, 3,3a, 3b, 3c ... the electric braking circuit breaker, 3 ', 3a ', 3b ' ... electric braking circuit breaker contact switch portion, 4,4a, 4b, 4c, 4d, 4e, 4f ... breaker used in start, 4 ', 4a ', 4b ', 4c ', 4d ', 4e ', 4f ' ... breaker used in start contact switch portion, 5,5a, 5b, 5c ... grounding opening-closing device, 5a ' ... grounding opening-closing device contact switch portion, 6,6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h ... fixed contact, 7,7a, 7b, 7c, 7d, 7e, 7f, 7g, 7h ... collector ring, 8,8a, 8b, 8c, 8d, 8e, 8f, 8g ... supporting insulator, 9,9a, 9b, 9c, 9d ... the fixed contact frame, 10,11,12,13,14,15,16,17,18,19 ... separate bus mutually, 21,22,23,24,25,26,27,28 ... separate bus-bars conductor mutually, 31,32,33,34 ... the shell that separates bus mutually, 51,52 ... the shell of generator circuit breaker.
Embodiment
Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The operational mode of the formula hydropower station that pumps up water at first, is described.Fig. 1 is the solid wire connection layout of the main circuit bus of the general formula of pumping up water hydropower station.During as generator operation, be " opening " at circuit breaker 1, reciprocal commentaries on classics circuit breaker 2 is under the "off" state, rotates the water wheels starter-generator, under the phase synchronization state of system voltage and generator voltage size, connects circuit breaker 1, incorporates system into.During the generation outage machine, cut off circuit breaker 1 back and connect the electric braking circuit breaker, force the short circuit three-phase, so that be that heat energy is implemented to brake transformation of electrical energy.
When pumping up water the formula motor operation, be " opening " at circuit breaker 1, carrying out phase sequence conversion conversion has connected under the state of reciprocal commentaries on classics circuit breaker 2, connect generating pusher side breaker used in start 4, utilize thyristor to start and use power supply, connect the power supply opposite, generator is rotated as motor with 2 phase sequences.Reach when needing revolution, close thyristor and start, connect the thyristor Starting mode of circuit breaker 1 with dump breaker used in start 4.In addition, the situation of two generators, the breaker used in start of connecting as the main transformer side of generating pusher side 4 is arranged, by receiving power supply with the generating pusher side breaker used in start 4 of motor side, carry out the synchronous Starting mode of motor start-up as pumping up water from this breaker used in start.
Fig. 2 represents an example of embodiment of the present invention, is the configuration structure of generator main circuit engine.Generator circuit breaker 1a connects and separates bus 11,12 mutually.Between generator and generator circuit breaker 1a, deposit, dispose electric braking in mutual separation bus 10 shells respectively with the switch portion of circuit breaker 3a and the contact switch portion that separates the breaker used in start 4a in bus 11 shells mutually.
The A-A profile of Fig. 3, Fig. 4 presentation graphs 2, B-B profile are the internal structures of electric braking circuit breaker contact switch 3a ' of portion and the breaker used in start contact switch 4a ' of portion.(a) being closed circuit state, (b) is open-circuit condition.
Fixed contact frame 9,9a are and the structure of separating bus-bars conductor 21,22 one mutually that fixed contact 6,6a are installed in fixed contact frame 9, on the 9a.In addition, utilize the supporting insulator 8 that is installed on the mutual separation bus shell 31,32,8a is collector ring 7 fixedly, 7a.Thus, electric braking is directly installed on the mutual separation bus-bars conductor 21,22 with circuit breaker contact switch 3a ' of portion and the breaker used in start contact switch 4a ' of portion, can leaves this in and separate in the bus shell 31,32 mutually.
The reciprocal commentaries on classics circuit breaker 2a that carries out the phase sequence conversion conversion of generator circuit breaker 1a and generator main circuit in 1 machine is connected by mutual separation bus 12.The contact switch portion of breaker used in start 4b is similarly left in the shell that separates bus 12 mutually with Fig. 4, is set between generator circuit breaker 1a and the reciprocal commentaries on classics circuit breaker 2a.
Connect and to separate bus 13 mutually between main transformer side and the reciprocal commentaries on classics circuit breaker 2a, the phase by crooked two ends is so that have the height identical with three-phase.Thus, the contact switch portion of grounding opening-closing device 5a is left in the shell of mutual separation bus 13, is configured between main transformer side and the reciprocal commentaries on classics circuit breaker 2a.
Fig. 5 is the C-C profile of Fig. 2, is the cut-away view of the grounding opening-closing device contact switch 5a ' of portion.Fixed contact frame 9b is and the structure of separating bus-bars conductor 23 one mutually that fixed contact 6b is installed on the fixed contact frame 9b.In addition, collector ring 7b is fixing by the shell 33 of the mutual separation bus of ground connection, is electrically connected.Thus, the grounding opening-closing device contact switch 5a ' of portion is directly installed on the mutual separation bus-bars conductor 23, can leave this in and separate in the shell 33 of bus mutually.
According to the configuration structure of present embodiment, the floor space miniaturization of generator main circuit engine is become possibility.In addition, according to the structure of hydropower station, the electric braking that reverses up and down respectively becomes possibility with the position of circuit breaker 3a, breaker used in start 4a, grounding opening-closing device 5a.
Fig. 6 represents other execution modes, is the configuration structure of generator main circuit engine.Generator circuit breaker 1b connects and separates bus 14,15 mutually.On the same position up and down in mutual separation bus 14 shells that connect generator circuit breaker 1b, with electric braking with the contact switch portion configuration of circuit breaker 3b, deposit in downside, the contact switch portion of breaker used in start 4c is disposed, deposits in upside.
Fig. 7 is the D-D profile of Fig. 6, is the cut-away view of electric braking with circuit breaker contact switch 3b ' of portion and the breaker used in start contact switch 4c ' of portion.Separate bus-bars conductor 24 relatively mutually, electric braking is positioned at downside with circuit breaker fixed contact frame 9c, and breaker used in start fixed contact frame 9d is positioned at the structure of being integral of upside landform.Fixed contact 6c, 6d are installed in fixed contact frame 9c separately, on the 9d.Utilization is installed in the supporting insulator 8b of the shell 34 of mutual separation bus, and 8c is collector ring 7c fixedly, 7d.
Thus, electric braking is directly installed on the mutual separation bus-bars conductor 24 with circuit breaker contact switch 3b ' of portion and the breaker used in start contact switch 4c ' of portion, leaves this in and separate in the shell 34 of bus mutually, and, can be configured in same position up and down.In addition, the structure electric braking according to the power station can change its upper-lower position with circuit breaker 3b and breaker used in start 4c.
The reciprocal commentaries on classics circuit breaker 2b that carries out the phase sequence conversion conversion of generator circuit breaker 1b and generator main circuit in 1 machine is connected by mutual separation bus 15.The contact switch portion of breaker used in start 4d is left in the shell of mutual separation bus 15, is configured between generator circuit breaker 1b and the reciprocal commentaries on classics circuit breaker 2b.
Be connected the mutual separation bus 16 between main transformer side and the reciprocal commentaries on classics circuit breaker 2b, the phase by crooked two ends is so that have the height identical with three-phase.Thus, the contact switch portion of grounding opening-closing device 5b is left in the shell of mutual separation bus 16, is configured between main transformer side and the reciprocal commentaries on classics circuit breaker 2b.
By configuration structure, the floor space of generator main circuit can be compared embodiment 1 further miniaturization as present embodiment.
Fig. 8 is the configuration structure according to the generator main circuit engine of other embodiment.Generator circuit breaker 1c connects and separates bus 17,18 mutually.Electric braking leaves in the shell of mutual separation bus 17 with the contact switch portion of circuit breaker 3c, is configured between generator and the generator circuit breaker 1c.Breaker used in start 4e, the contact switch portion of 4f is left in the shell of generator circuit breaker 1c.
Fig. 9 is the cut-away view of breaker used in start contact switch portion, is in the shell of generator circuit breaker (a), (b) expression breaker used in start contact switch portion enlarged drawing.Separate bus- bars conductor 25,26 mutually and install and fix contact 6e, 6f.Utilization is installed in the supporting insulator 8d on the generator circuit breaker shell 51, and 8e is collector ring 7e fixedly, 7f.Thus, with the breaker used in start contact switch 4e ' of portion, 4f ' is directly installed on mutual separation bus- bars conductor 25,26, its bus can be left in the shell 51 of generator circuit breaker.
Figure 10 is the breaker used in start contact switch 4e ' of portion, other examples of 4f '.Separate bus-bars conductor 27,28 mutually and install and fix contact 6g, 6h.In addition, support insulator 8g, 8f is installed on the shell 52 of generator circuit breaker, supports collector ring 7g, 7f.Thus, with the breaker used in start contact switch 4e ' of portion, 4f ' is directly installed on the mutual separation bus, its bus can be left in the shell 52 of generator circuit breaker.At this moment, leave in the operator of breaker used in start in the generator circuit breaker control cabinet, carry out becoming possibility at the synthetic operation of generator circuit breaker front.
The reciprocal commentaries on classics circuit breaker 2c that carries out the phase sequence conversion conversion of generator circuit breaker 1c and generator main circuit in 1 machine is connected by mutual separation bus 18.Connect and to separate bus 19 mutually between main transformer side and the reciprocal commentaries on classics circuit breaker 2c, the phase by crooked two ends is so that have the height identical with three-phase.Thus, the contact switch portion of grounding opening-closing device 5c is left in the shell of mutual separation bus 19, is configured between main transformer side and the reciprocal commentaries on classics circuit breaker 2c.
By the configuration structure of present embodiment, the floor space of generator main circuit can be compared embodiment 2 further miniaturizations.
Claims (5)
1. a generator main circuit engine is used in the formula of the pumping up water hydropower station that when pumping up water generator is converted to motor, possesses the reciprocal commentaries on classics circuit breaker of the phase sequence conversion conversion of carrying out generator circuit breaker and generator main circuit, it is characterized in that,
The contact switch portion of generator main circuit engine is directly installed on the mutual separation bus-bars conductor, leaves in the bus shell.
2. generator main circuit engine according to claim 1, it is characterized in that, above-mentioned generator main circuit engine contains electric braking with circuit breaker, breaker used in start and grounding opening-closing device, and separately contact switch portion is directly installed on the mutual separation bus-bars conductor.
3. generator main circuit engine according to claim 1, it is characterized in that, the part of above-mentioned generator main circuit engine is electric braking circuit breaker and a breaker used in start, be positioned at and the above-mentioned roughly the same position of bus of separating mutually, above-mentioned electric braking is configured in the downside of above-mentioned mutual separation bus with circuit breaker, above-mentioned breaker used in start is configured in the downside of above-mentioned mutual separation bus, or its upper and lower sides is disposed on the contrary.
4. generator main circuit engine according to claim 1, it is characterized in that, the part of above-mentioned generator main circuit is a grounding opening-closing device, the crooked two ends that connect the mutual separation bus between main transformer and the above-mentioned reciprocal commentaries on classics circuit breaker are so that have the height identical with three-phase, and this separates the contact switch portion of depositing above-mentioned grounding opening-closing device in the shell of bus mutually.
5. a generator main circuit engine is used in the formula of the pumping up water hydropower station that when pumping up water generator is converted to motor, possesses the reciprocal commentaries on classics circuit breaker of the phase sequence conversion conversion of carrying out generator circuit breaker and generator main circuit, it is characterized in that,
The part of above-mentioned generator main circuit engine is electric braking circuit breaker and a breaker used in start, be directly installed on mutual separation bus-bars conductor on the contact switch portion of circuit breaker above-mentioned electric braking and leave in the bus shell, in addition above-mentioned breaker used in start is directly installed on the mutual separation bus-bars conductor, and will be somebody's turn to do and separates mutually bus-bars conductor and leave in the shell of generator circuit breaker.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004289823A JP2006109560A (en) | 2004-10-01 | 2004-10-01 | Main circuit device in power generator |
| JP2004289823 | 2004-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1756013A true CN1756013A (en) | 2006-04-05 |
Family
ID=36378621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101125151A Pending CN1756013A (en) | 2004-10-01 | 2005-09-30 | Generator main circuit engine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2006109560A (en) |
| KR (1) | KR20060051911A (en) |
| CN (1) | CN1756013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577861A (en) * | 2013-10-25 | 2015-04-29 | Abb技术有限公司 | Multiphase circuit breaker system having a short-circuit link |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE481764T1 (en) * | 2008-12-19 | 2010-10-15 | Openhydro Ip Ltd | METHOD FOR INSTALLING A HYDROELECTRIC TURBINE GENERATOR |
| EP2302755B1 (en) | 2009-09-29 | 2012-11-28 | OpenHydro IP Limited | An electrical power conversion system and method |
-
2004
- 2004-10-01 JP JP2004289823A patent/JP2006109560A/en active Pending
-
2005
- 2005-09-30 CN CNA2005101125151A patent/CN1756013A/en active Pending
- 2005-09-30 KR KR1020050091969A patent/KR20060051911A/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577861A (en) * | 2013-10-25 | 2015-04-29 | Abb技术有限公司 | Multiphase circuit breaker system having a short-circuit link |
| CN104577861B (en) * | 2013-10-25 | 2018-02-06 | Abb 技术有限公司 | Multiphase switching system with short circuit connection |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006109560A (en) | 2006-04-20 |
| KR20060051911A (en) | 2006-05-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |