CN201639311U - Emergent unloading controller - Google Patents
Emergent unloading controller Download PDFInfo
- Publication number
- CN201639311U CN201639311U CN2010201650964U CN201020165096U CN201639311U CN 201639311 U CN201639311 U CN 201639311U CN 2010201650964 U CN2010201650964 U CN 2010201650964U CN 201020165096 U CN201020165096 U CN 201020165096U CN 201639311 U CN201639311 U CN 201639311U
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- digital signal
- detection card
- plc controller
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
Abstract
The utility model relates to an emergent unloading controller, of which the main technical characteristics are that: the controller comprises a PLC controller, an analog signal detection card, a digital signal detection card, an output control module and a touch screen monitoring module. The PLC controller is connected with the analog signal detection card, the digital signal detection card and the output control module through an I/O interface respectively; the PLC controller is connected with the touch screen monitoring module through a DH+ protocol communication mode; the analog signal detection card is connected with a power signal of a generator set through a power transmitter; and the digital signal detection card is directly connected with a digital signal of the generator set. The utility model has reasonable design, automatically detects the working state of the generator set by using modular design and performs unloading processing on corresponding unloading level, has the characteristics of stable operation, strong expansion capability, simple maintenance, convenient use and the like, and is suitable for the control field of the generator set of offshore platforms and the like.
Description
Technical field
The utility model belongs to generator control field, especially a kind of emergency unloading controller.
Background technology
At present, offshore oil platform adopts generator to power usually, and it is very important how controlling the generator steady operation effectively.For example, the SZ36-1CEP offshore platform of middle extra large oil Tianjin Branch Company along with the increase of this oil field satellite platform, has made the electrical load in SZ36-1CEP platform power station more and more heavier since going into operation.The power station of SZ36-1CEP offshore oil platform is made up of four U.S. SOLAR turbine power generation units; be that three turbine units generate electricity by way of merging two or more grid systems during operate as normal; in actual use sometimes because the undesired or excess load of generator work, cause the electric power system of offshore oil platform can not steady operation or cause comprehensive dead electricity in power station and influence the ordinary production of platform.
Summary of the invention
Be to overcome the deficiencies in the prior art order of the present utility model, propose a kind of reasonable in design, emergency unloading controller that can detect and be undertaken the respective load off-load the generator state by the off-load rank.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of emergency unloading controller, comprise PLC controller, analog signal detection card, digital signal detection card, output control module and touch panel monitor system module, the PLC controller is connected with output control module with analog signal detection card, digital signal detection card by the I/O interface respectively, the PLC controller is connected with the touch panel monitor system module by DH+ agreement communication modes, analog signal detection cartoon overpower transmitter is connected with the power signal of generating set, and the digital signal detection card directly is connected with the digital signal of generating set.
And described output control module is connected and composed by digital signal output card and load driving relay, and the input of this digital signal output card is connected with the PLC controller, and the output of this digital signal output card is connected with the load driving relay.
And described PLC controller also is connected with action button/switch and working station indicator by the I/O interface respectively.
And the input of described digital signal detection card is connected with satellite platform unloads stage level signal with load switch status signal, generating set SHUTDOWN status signal, generating set CB-OFF status signal, high platen VCB status signal respectively.
And described PLC controller is a SLC500 series control module, and described analog signal detection card adopts 1746-NI16I analog signals card, and described digital signal detection card adopts 1746-IB16 digital quantity signal card.
And described touch panel monitor system module adopts the 2711-T10C8 touch screen module.
And described digital signal output card adopts 1746-OB16 digital quantity signal card.
Advantage of the present utility model and good effect are:
1, should can the various status signals and the power of generator be detected and analyze by anxious off-load controller; and carry out automatic deloading according to the different faults of generator by corresponding off-load rank and handle; the problem of having avoided the offshore platform generating set to cause the power station comprehensively to shut down because of overload fault; guaranteed the safe and stable operation of offshore platform generating set, for the offshore oil platform safety in production provides reliable assurance.
2, should be anxious the off-load controller adopt PLC controller and digital signal detection card thereof, analog signal detection card that the signal of generator is detected and the off-load by digital signal output card control load, it adopts modular construction, has characteristics such as stable, that autgmentability strong, maintenance is simple.
3, should can conveniently carry out policer operation by the touch panel monitor system module that is provided with by anxious off-load controller, the various operating states of generating set can be shown at a glance by working station indicator, operate control accordingly by action button/switch, it is simple to operate, easy to use.
4, the utility model is reasonable in design, it adopts modularized design that the operating state of generating set is detected automatically and carries out off-load by corresponding off-load rank and handle, have characteristics such as stable, that extended capability strong, maintenance is simple, easy to use, be highly suitable in the control field of generating sets such as offshore platform.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the signal connection diagram of analog/digital signal test card and generating set;
Fig. 3 is the circuit block diagram of output control module.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described.
A kind of emergency unloading controller as shown in Figure 1, is connected and composed by PLC controller, analog signal detection card, digital signal detection card, output control module, touch panel monitor system module, action button/switch and working station indicator.Wherein, the PLC controller adopts the SLC500 series control module of American AB company, the CPU card of this control module adopts 1747-L542C, and this CPU card is connected with analog signal detection card, digital signal detection card, output control module, action button/switch and working station indicator by the I/O interface respectively; The analog signal detection card adopts 1746-NI16I analog signals card, and the digital signal detection card adopts 1746-IB16 digital quantity signal card, and output control module is connected and composed by digital signal output card 1746-OB16 and load driving relay; The touch panel monitor system module adopts the 2711-T10C8 touch screen module of American AB company, and being connected by communication by the DH+ agreement between itself and the CPU card connects.
Analog signal detection cartoon overpower transmitter that should anxious off-load controller is connected with the power signal of generating set, in the present embodiment, generating set is four U.S. SOLAR turbine generatorss, and power transducer has power transducer for the JAP3-04D phase three-wire three.The emergency unloading controller is used to detect the power of each generator by power transducer, and the power of generating set is fed in the emergency unloading controller with analog signal, realizes measuring ability to generator power by the emergency unloading controller; The emergency unloading controller is connected with the digital signal of generating set by the digital signal detection card and is used to detect the working state signal of generating set; The emergency unloading controller is connected with high-tension distribution panel by output control module and is used for the load of off-load generator.
The digital signal annexation of analog signal detection card, digital signal detection card and generating set as shown in Figure 2, the input of analog signal detection card is connected with power transducer, the state relay chromaffin body point of this power transducer load switch is connected with the wattmeter of generating set, is used to detect the power of generating set; The digital signal detection card is connected with the state relay chromaffin body point of generator loading switch and is used to detect the load switch status signal: the digital signal detection card is connected with the SHUTDOWN signal output relay chromaffin body point of generating set control panel and is used to detect generating set SHUTDOWN status signal; The digital signal detection card is connected with the state chromaffin body point of CB and is used to detect generating set CB-OFF status signal; The digital signal detection card is connected with the chromaffin body point of high platen VCB and is used to detect high platen VCB status signal; The digital signal detection card is connected with action button/switch and is used to detect satellite platform unloads stage level signal.
The circuit of output control module as shown in Figure 3, this output control module is connected and composed by digital signal output card 1746-OB16 and load driving relay, the input of digital signal output card is connected with the CPU card, the output of digital signal output card is connected with the load driving relay, the output of this load driving relay links to each other with the control chromaffin body point of the VCB thread switching control circle of high-tension distribution panel, is used to control the off-load of generator loading.
Touch panel monitor system module and CPU cartoon are crossed the DH+ agreement and are connected by communication and connect, and realize the monitoring function to the emergency unloading controller.This touch panel monitor system module can be finished following five kinds of operation monitoring functions: (1) monitor each platform at net state and whether trigger the ESD system; (2) monitor each turbine generators at net state, show whether normally operation of turbine generators, and show the performance number of each turbine generators in real time and at the total power value of net turbine; (3) the turbine generators load setting of transfiniting; (4) system parameter setting; (5) when alarm generation, carry out alarm indication.
The emergency unloading controller also is provided with the following acousto-optic indicating device: the separating brake (OFF) of (1) turbine CB circuit breaker/combined floodgate (ON) status indicator lamp; (2) separating brake (OFF) of high platen VCB circuit breaker/combined floodgate (ON) status indicator lamp; (3) alarm lamp: (4) ESD or get rid of platform action time signal prompt; (5) alarm buzzer: ESD or get rid of the platform auditory tone cues in when action.
The emergency unloading controller also is provided with the following action button/switch: (1) is used to select other platform off-load rank of platform off-load level to select multi-position switch; (2) power transducer signal bypass selector switch; (3) power CB-OFF bypass selector switch; (4) be used for removing ESD signal bypass cock to what off-load control output signal was carried out bypass; (5) be used for the manually manual quick relief button of unloading of each rank; (6) be used for mute button to the alarm buzzer noise reduction; (7) be used to carry out the reset button of reset function; (8) be used for the acousto-optic testing button of state display lamp and alarm buzzer.
Operation principle that should anxious off-load controller: the emergency unloading control program is installed in the emergency unloading controller, this emergency unloading control program carries out power detection, judges and the overflow judgement of overload condition of generator power at net each generator of generating set by digital signal detection card and analog signal detection card, handle by the off-load that the output control card carries out appropriate level according to the off-load rank then, specific as follows:
1, one-level off-load: three generator connecting in parallel with system normally move, when arbitrary generator excess load occurring, employing is got rid of the method for big power consumption equipment and the certain time-delay after sending in the ESD actuating signal after the time by the ESD system, select to get rid of arbitrarily a method that is selected as other wellhead platform of one-level off-load level, guarantee the work safety and the normal operation of generator.
2, two-stage unloading: three generator connecting in parallel with system normally move; when arbitrary improper shutoff of generator or CB-OFF circuit breaker trip (i.e. generator outage) occurring; employing is got rid of the method that is selected at other two wellhead platforms of two-stage unloading level and starts the one-level off-load simultaneously arbitrarily and is got rid of load, guarantees generator work safety and normal the operation.
3, three grades of off-loads:, when causing the serious overload of load of other generator or other reason to cause another online compressor emergency shutdown (two generator outages), start three grades and unload the electrical load scheme after certain generator failure (or CB-OFF) is shut down.Get rid of 2 platforms that are selected at three grades of off-loads and start secondary and one-level off-load logic simultaneously.
In carrying out the off-load processing procedure, can also realize three other quick relief of level by three manual quick relief buttons, adopt the method for getting rid of two wellhead platforms of any selection or a plurality of wellhead platforms to guarantee the work safety of generator and its normal operation.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other execution modes that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (7)
1. emergency unloading controller, it is characterized in that: comprise PLC controller, analog signal detection card, digital signal detection card, output control module and touch panel monitor system module, the PLC controller is connected with output control module with analog signal detection card, digital signal detection card by the I/O interface respectively, the PLC controller is connected with the touch panel monitor system module by DH+ agreement communication modes, analog signal detection cartoon overpower transmitter is connected with the power signal of generating set, and the digital signal detection card directly is connected with the digital signal of generating set.
2. emergency unloading controller according to claim 1, it is characterized in that: described output control module is connected and composed by digital signal output card and load driving relay, the input of this digital signal output card is connected with the PLC controller, and the output of this digital signal output card is connected with the load driving relay.
3. emergency unloading controller according to claim 1 and 2 is characterized in that: described PLC controller also is connected with action button/switch and working station indicator by the I/O interface respectively.
4. emergency unloading controller according to claim 1 is characterized in that: the input of described digital signal detection card is connected with satellite platform unloads stage level signal with load switch status signal, generating set SHUTDOWN status signal, generating set CB-OFF status signal, high platen VCB status signal respectively.
5. emergency unloading controller according to claim 1 and 2, it is characterized in that: described PLC controller is a SLC500 series control module, described analog signal detection card adopts 1746-NI16I analog signals card, and described digital signal detection card adopts 1746-IB16 digital quantity signal card.
6. emergency unloading controller according to claim 1 is characterized in that: described touch panel monitor system module adopts the 2711-T10C8 touch screen module.
7. emergency unloading controller according to claim 2 is characterized in that: described digital signal output card adopts 1746-OB16 digital quantity signal card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201650964U CN201639311U (en) | 2010-04-21 | 2010-04-21 | Emergent unloading controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201650964U CN201639311U (en) | 2010-04-21 | 2010-04-21 | Emergent unloading controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201639311U true CN201639311U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201650964U Expired - Fee Related CN201639311U (en) | 2010-04-21 | 2010-04-21 | Emergent unloading controller |
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| Country | Link |
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| CN (1) | CN201639311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2751899B1 (en) * | 2011-10-10 | 2016-01-20 | Wärtsilä Finland Oy | A load sharing arrangement |
-
2010
- 2010-04-21 CN CN2010201650964U patent/CN201639311U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2751899B1 (en) * | 2011-10-10 | 2016-01-20 | Wärtsilä Finland Oy | A load sharing arrangement |
| US9673631B2 (en) | 2011-10-10 | 2017-06-06 | Wartsila Finland Oy | Load sharing arrangement |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20140421 |