CN201388066Y - Paralleling control device of low-power diesel generator unit - Google Patents
Paralleling control device of low-power diesel generator unit Download PDFInfo
- Publication number
- CN201388066Y CN201388066Y CN200920107570U CN200920107570U CN201388066Y CN 201388066 Y CN201388066 Y CN 201388066Y CN 200920107570 U CN200920107570 U CN 200920107570U CN 200920107570 U CN200920107570 U CN 200920107570U CN 201388066 Y CN201388066 Y CN 201388066Y
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- generating set
- control device
- phase
- diesel generating
- electrical network
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Abstract
The utility model relates to a paralleling control device of a low-power diesel generator unit, comprising a breaker, an automatic synchronizer, a manual synchronizer, an operating and display system, and an active distributor, wherein the automatic synchronizer receives the voltage of the diesel generator unit and the three-phase four-wire power grid so as to judge whether a first paralleling signal is generated and transmits the first paralleling signal to the breaker; the manual synchronizer receives the voltage of the diesel generator unit and the three-phase four-wire power grid so as to judge whether a second paralleling signal is generated; the operating and display system receives the working state of the automatic synchronizer, and when the automatic synchronizer is damaged, the operating and display system receives the second paralleling signal and transmits the second paralleling signal to the breaker; and the active distributor generates an adjusting signal which is transmitted to the diesel generator unit and an active distributor of another paralleling control device. The paralleling control device of the low-power diesel generator unit can realize paralleling control of a plurality of low-power diesel generator units reliably.
Description
Technical field
The utility model relates to a kind of System for Small Power Diesel Generator group and truck control device, especially relate to System for Small Power Diesel Generator group and truck control device that a kind of half electricity drives oil-well rig (that is: winch and slush pump be by two or three Diesel Driven, and rotating disk and well site electricity consumption are provided by two or three System for Small Power Diesel Generator groups) usefulness.The small power generator group that the application mentions is meant and is operated in that operating power is the generating set of 300-800KW under the 400V voltage, i.e. System for Small Power Diesel Generator group (300-800KW/400V) and truck control device.
Background technology
Oil is as the important energy source of the national economic development, in recent years, along with rapid development of national economy, oil drilling exploitation equipment has also obtained fast development, especially no matter electric drive rig control system device is also correspondingly quantitatively or on technical equipment to be improved and to develop.Yet electric drive rig control system device major part is to adopt the high power DC governing system device (1500A-2400A/600V-690V) or the frequency conversion speed-adjusting system device (500KW-1200KW/600V-690V) of high-power diesel generating set (1000KW-2400KW/600V-690V) power supply at present.Also have the considerable part machine dimensions drill to change half electric drive rig into, two or three Volvo (VOLVO) or Caterpillar (CAT) System for Small Power Diesel Generator group (300-800KW/400V) and car power supply are adopted in the rotating disk of these half electric drive rigs and well site electricity consumption mostly, and the voltage of these System for Small Power Diesel Generator groups is different fully with the large-sized diesel generating set with rotating speed control, they carry generator excitation voltage and rotating speed control plate, how to utilize to carry generator excitation voltage and rotating speed control plate two or three System for Small Power Diesel Generator groups and car problem are resolved, become extremely urgent problem.
Mostly existing and truck control device is just have generating set to dispose at high-power, for example, the application number of submitting in China national Department of Intellectual Property is 200810168538.8 application, it is a kind of oil-well rig with diesel-electric set digital and truck control device, should and the operating mode of the truck control device harmonic wave, interference and the load changing that when powerful device moves, occur under preferable reliability is provided.
And existing also truck control device at the small power generator group normally adopts synchro or manual speed changer to realize and car control.When controller damages, need oil-well drilling equipment to shut down and overhaul, thereby increased drilling cost.
This shows, in order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but does not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of System for Small Power Diesel Generator group and truck control device of new structure, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The purpose of this utility model is, overcome the defective of existing System for Small Power Diesel Generator group and truck control device, a kind of System for Small Power Diesel Generator group and truck control device of new structure are provided, technical problem to be solved is to make its dual setting by manual speed changer and synchro, can reliably realize the also car control of many System for Small Power Diesel Generator groups, be very suitable for practicality.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of System for Small Power Diesel Generator group and the truck control device that the utility model proposes, be connected between diesel generating set and the three-phase and four-line electrical network, be used for control and whether this diesel generating set electricity power uploaded to this three-phase and four-line electrical network, it comprises: a circuit breaker is connected between this diesel generating set and this three-phase and four-line electrical network; One synchro, link to each other with this diesel generating set, this three-phase and four-line electrical network and this circuit breaker, the voltage that receives this diesel generating set and this three-phase and four-line electrical network is to judge whether to produce one first and the car signal, and with this first and the car signal send to this circuit breaker, make the online of this breaker closing; One manual synchronizer links to each other with this diesel generating set and this three-phase and four-line electrical network, and the voltage that receives this diesel generating set and this three-phase and four-line electrical network is to judge whether to produce one second and the car signal; One operation and display system, connect this synchro, this manual speed changer and this circuit breaker, this operation display system receives the operating state of this synchro, when this synchro damages, this operation display system receive this second and the car signal, and with this second and the car signal send to this circuit breaker, make the online of this breaker closing; One meritorious distributor, link to each other with this synchro and this operation and display system, receive in the online back of closing a floodgate that this synchro sends this first and car signal this second car signal also of this operation and display system reception maybe, and producing a conditioning signal, this conditioning signal is sent to the meritorious distributor of this diesel generating set and another and truck control device.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid System for Small Power Diesel Generator group and truck control device, it more comprises a current transformer, transformer and electric power detecting instrument, this current transformer is connected with this diesel generating set, this transformer is connected in this current transformer or this diesel generating set, this current transformer and this transformer detect electric current and the voltage that this diesel generating set sends respectively, and deliver to this electric power detecting instrument that is connected with this current transformer and this transformer.
Aforesaid System for Small Power Diesel Generator group and truck control device, it more comprises an earth detector, and this earth detector is connected with this three-phase and four-line electrical network, and the three-phase of this three-phase and four-line electrical network is carried out ground connection judgement.
Aforesaid System for Small Power Diesel Generator group and truck control device, wherein said operation display system is connected in this three-phase and four-line electrical network or this transformer, and by this three-phase and four-line electrical network or this transformer this operation and display system is powered.
Aforesaid System for Small Power Diesel Generator group and truck control device, the electric supply installation of wherein said meritorious distributor are this diesel generating set.
The utility model compared with prior art has tangible advantage and beneficial effect.Via as can be known above, in order to achieve the above object, the utility model provides a kind of System for Small Power Diesel Generator group and truck control device, should and the truck control device parameter of automatically regulating the unit of waiting to be incorporated into the power networks by isochronous controller, can realize automatic paralleling after detecting synchronous condition; When isochronous controller damages, also can adopt manual speed changer to finish manually and car.And the velocity-controlled system that carries by meritorious distributor and diesel generating set behind the car is realized meritorious balanced; The sagging instrument transformer and the voltage regulator board that carry by diesel generating set realize idle equilibrium.Detect the operational factor of diesel generating set by the electric power detecting instrument; as voltage, electric current, meritorious, idle, power factor etc.; and make it have defencive functions such as overfrequency, under-frequency, overvoltage, under-voltage, overpower, inverse probability by the electric power detecting instrument, detect bus insulation situation over the ground and indication by earth detector.
By technique scheme, the utility model System for Small Power Diesel Generator group and truck control device have following advantage and beneficial effect at least:
1. by the dual setting of employing isochronous controller of the present utility model and manual speed changer, can realize that automatic paralleling can realize again manually and the car function.
2. by the duplex configuration of the utility model synchro and manual speed changer; make and be improved as the half electric reliability System for Small Power Diesel Generator group and truck control device that drives the major impetus of oil-well drilling equipment; what guaranteed oil-well drilling equipment does not shut down operation, has avoided the increase of drilling cost.
In sum, the utility model has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is and truck control device single line theory diagram.
1: diesel generating set 2: and truck control device
21: circuit breaker 22: synchro
23: meritorious distributor 24: manual speed changer
25: operation and display system 26: transformer
27: electric power detecting instrument 28: current transformer
29: 3: the second meritorious distributors of earth detector
4: the three-phase and four-line electrical network
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to System for Small Power Diesel Generator group and its embodiment of truck control device, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
Seeing also shown in Figure 1ly, is of the present utility model and the single line theory diagram of truck control device.Control performance requirement according to diesel generating set, draw out detailed control principle figure and cabinet construction drawing, after the assembling and the debugging of dispatching from the factory, be placed in the iron house of certain size steel construction, transport to the on-the-spot band of rig actual load and carry out system debug, to satisfy on-the-spot drilling condition requirement.
See also shown in Figure 1, should and truck control device 2 comprise: circuit breaker 21, synchro 22, meritorious distributor 23, manual speed changer 24 and operation and display system 25.Wherein, diesel generating set 1 connects this also this circuit breaker 21 of truck control device 2, and whether these circuit breaker 21 controls upload to three-phase and four-line electrical network 4 with diesel generating set 1 electricity power.This synchro 22 is connected with this diesel generating set 1, this three-phase and four-line electrical network 4, receives this two voltage and judging whether to satisfy and spoke spare to carry out phase place, frequency, amplitude size relatively, to use.This synchro 23 also is connected to circuit breaker 21, when satisfied and spoke spare, synchro 22 sends and the car signal, and also the car signal sends to circuit breaker 21, make this circuit breaker 21 online of closing a floodgate, the voltage of this diesel generating set 1 is uploaded to this three-phase and four-line electrical network 4.After the combined floodgate online, this synchro 22 and the car signal re-send in the meritorious distributor 23, the meritorious distributor that will deliver to second and truck control device by the conditioning signal of the generation of this meritorious distributor 23 is promptly finished the distribution of work that has between the online diesel generating set in the speed adjusting plate in second meritorious distributor 3 then.And the velocity-controlled system that carries by meritorious distributor 23 and diesel generating set 1 behind the car is realized meritorious balanced; The sagging instrument transformer and the voltage regulator board that carry by diesel generating set 1 realize idle equilibrium.At this moment, the voltage signal of this meritorious distributor 23 obtains from the voltage that this diesel generating set 1 sends.
This manual speed changer 24 is connected with this diesel generating set 1, this three-phase and four-line electrical network 4, receives this two voltage.This operation and display system 25 are connected to this circuit breaker 21, this synchro 22 and this manual speed changer 24.This operation display system receives the operating state of this synchro, when synchro 5 damages, does not shut down in order to make running gear, can be by manually switching to the pattern that this manual speed changer 24 is worked through this operation and display system 25.The voltage of 24 pairs of these diesel generating sets 1 of this manual speed changer and this three-phase and four-line electrical network 4 carries out phase place, frequency, amplitude size relatively, uses judging whether to satisfy and spoke spare.When satisfied and spoke spare, this manual speed changer 24 sends and the car signal, and also the car signal sends to this operation and display system 25, uses by this operation and display system 29 manual control circuit breakers 21 combined floodgates and realizes that the voltage of this diesel generating set 1 is uploaded to this three-phase and four-line electrical network 4.The power supply of this operation and display system 25 can be from the voltage of this three-phase and four-line electrical network 4.After the combined floodgate online, this operation and display system 25 and the car signal re-send in the meritorious distributor 23, will deliver to the distribution of work of finishing in the speed adjusting plate in the meritorious distributor 3 of second and truck control device between the online diesel generating set that has by the conditioning signal of the generation of this meritorious distributor 23 then.This operation and display system 25 can also show to have surfed the Net also can operate the work of this synchro 22, this manual speed changer 24, this meritorious distributor 23 with the voltage of not surfing the Net.
Herein, only illustrated between two diesel generating sets and the car control mode, between many diesel generating sets and the car control mode similarly, do not repeat them here.
Also truck control device 2 further comprises current transformer 28, transformer 26 and electric power detecting instrument 27.This current transformer 28 is connected with this diesel generating set 1; this transformer 26 is this current transformer 28 (as shown in Figure 1) or directly link to each other with this diesel generating set 1 (scheming not show) directly; the voltage that is sent by this diesel generating set 1 passes through these current transformer 28 backs without any change; this current transformer 28 and this transformer 26 detect electric current and the voltage that this diesel generating set 1 sends respectively; and deliver to this electric power detecting instrument 7, to carry out protections such as electrical parameter demonstration and overvoltage, overfrequency, under-frequency, overpower, inverse probability.This operation and display system 25 can also be connected to this transformer 26, should operation and display system 25 power supplies by 26 pairs in this transformer.
Also truck control device 2 can also further comprise earth detector 29, and it can carry out ground connection judgement to the three-phase of three-phase and four-line electrical network 4, enlarges to prevent the accident that power consumption equipment causes because of ground connection.
The quantity of diesel generating set with and the quantity of truck control device identical, each and the corresponding diesel generating set of truck control device.
In the enforcement of reality because oil-well drilling equipment all is field work, so and truck control device 1 be placed in the iron house of steel construction so that transportation and carrying.
The utility model not only can be realized many System for Small Power Diesel Generator groups and car, also can realize and car after performance parameter stable.And the technical performance parameter that the truck system device reaches is with reference to as follows:
Rated frequency: 50Hz (rotating speed is 1500r/min)
Frequency stable state regulation: 0-5% (adjustable)
Frequency transient state regulation: ± 5%
Frequency fluctuation rate: 0.5%
Frequency settling time: 3s
Rated voltage: 400V
Voltage stable state regulation: ± 2.5% (adjustable)
Voltage adjusting range: ± 20%
Voltage fluctuation rate: 0.5%
Voltage settling time: 1.5s
The voltage response time: 1s
The unbalanced degree of burden with power :≤± 7%
The unbalanced degree of load or burden without work :≤± 7%
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (8)
1, a kind of System for Small Power Diesel Generator group and truck control device are connected between diesel generating set and the three-phase and four-line electrical network, are used for control and whether this diesel generating set electricity power are uploaded to this three-phase and four-line electrical network, it is characterized in that it comprises:
One circuit breaker is connected between this diesel generating set and this three-phase and four-line electrical network;
One synchro, link to each other with this diesel generating set, this three-phase and four-line electrical network and this circuit breaker, the voltage that receives this diesel generating set and this three-phase and four-line electrical network is to judge whether to produce one first and the car signal, and with this first and the car signal send to this circuit breaker, make the online of this breaker closing;
One manual synchronizer links to each other with this diesel generating set and this three-phase and four-line electrical network, and the voltage that receives this diesel generating set and this three-phase and four-line electrical network is to judge whether to produce one second and the car signal;
One operation and display system, connect this synchro, this manual speed changer and this circuit breaker, this operation display system receives the operating state of this synchro, when this synchro damages, this operation display system receive this second and the car signal, and with this second and the car signal send to this circuit breaker, make the online of this breaker closing;
One meritorious distributor, link to each other with this synchro and this operation and display system, receive in the online back of closing a floodgate that this synchro sends this first and car signal this second car signal also of this operation and display system reception maybe, and producing a conditioning signal, this conditioning signal is sent to the meritorious distributor of this diesel generating set and another and truck control device.
2, System for Small Power Diesel Generator group according to claim 1 and truck control device, it is characterized in that it more comprises a current transformer, transformer and electric power detecting instrument, this current transformer is connected with this diesel generating set, this transformer is connected in this current transformer or this diesel generating set, this current transformer and this transformer detect electric current and the voltage that this diesel generating set sends respectively, and deliver to this electric power detecting instrument that is connected with this current transformer and this transformer.
3, System for Small Power Diesel Generator group according to claim 1 and 2 and truck control device is characterized in that it more comprises an earth detector, and this earth detector is connected with this three-phase and four-line electrical network, and the three-phase of this three-phase and four-line electrical network is carried out ground connection judgement.
4, System for Small Power Diesel Generator group according to claim 1 and 2 and truck control device is characterized in that wherein said operation and display system are connected in this three-phase and four-line electrical network, and by this three-phase and four-line electrical network this operation and display system are powered.
5, System for Small Power Diesel Generator group according to claim 2 and truck control device is characterized in that wherein said operation and display system are connected in this transformer, and by this transformer this operation are shown and system's power supply.
6, according to described System for Small Power Diesel Generator group of arbitrary claim in the claim 1,2,5 and truck control device, the electric supply installation that it is characterized in that wherein said meritorious distributor is this diesel generating set.
7, System for Small Power Diesel Generator group according to claim 3 and truck control device, the electric supply installation that it is characterized in that wherein said meritorious distributor is this diesel generating set.
8, System for Small Power Diesel Generator group according to claim 4 and truck control device, the electric supply installation that it is characterized in that wherein said meritorious distributor is this diesel generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107570U CN201388066Y (en) | 2009-04-27 | 2009-04-27 | Paralleling control device of low-power diesel generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107570U CN201388066Y (en) | 2009-04-27 | 2009-04-27 | Paralleling control device of low-power diesel generator unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201388066Y true CN201388066Y (en) | 2010-01-20 |
Family
ID=41580610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920107570U Expired - Lifetime CN201388066Y (en) | 2009-04-27 | 2009-04-27 | Paralleling control device of low-power diesel generator unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201388066Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185340A (en) * | 2011-04-06 | 2011-09-14 | 上海恩艾思电气有限公司 | Ship power management system |
| CN102882226A (en) * | 2012-09-10 | 2013-01-16 | 瑞昌哥尔德发电设备(无锡)制造有限公司 | Distribution controller for paralleling loads of diesel generator |
| CN106786786A (en) * | 2016-11-11 | 2017-05-31 | 天水电气传动研究所有限责任公司 | A kind of net electricity suitable for rig and diesel generating set are incorporated into the power networks power-economizing method |
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
-
2009
- 2009-04-27 CN CN200920107570U patent/CN201388066Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185340A (en) * | 2011-04-06 | 2011-09-14 | 上海恩艾思电气有限公司 | Ship power management system |
| CN102882226A (en) * | 2012-09-10 | 2013-01-16 | 瑞昌哥尔德发电设备(无锡)制造有限公司 | Distribution controller for paralleling loads of diesel generator |
| CN106786786A (en) * | 2016-11-11 | 2017-05-31 | 天水电气传动研究所有限责任公司 | A kind of net electricity suitable for rig and diesel generating set are incorporated into the power networks power-economizing method |
| US11955782B1 (en) | 2022-11-01 | 2024-04-09 | Typhon Technology Solutions (U.S.), Llc | System and method for fracturing of underground formations using electric grid power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING SLETON CONTROL TECHNOLOGIES CO., LTD. Free format text: FORMER NAME: BEIJING SILITONG CONTROL TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100102 Beijing City, Chaoyang District Wangjing high tech Development Zone in Lize Road No. 1 Boya International Center office building A block 1105 Patentee after: Beijing Sleton Control Technologies Co., Ltd. Address before: 100102 Beijing City, Chaoyang District Wangjing high tech Development Zone in Lize Road No. 1 Boya International Center office building A block 1105 Patentee before: Beijing Silitong Control Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100120 |
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| CX01 | Expiry of patent term |