CN201781325U - Energy management system for offshore power grid - Google Patents
Energy management system for offshore power grid Download PDFInfo
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- CN201781325U CN201781325U CN 201020298240 CN201020298240U CN201781325U CN 201781325 U CN201781325 U CN 201781325U CN 201020298240 CN201020298240 CN 201020298240 CN 201020298240 U CN201020298240 U CN 201020298240U CN 201781325 U CN201781325 U CN 201781325U
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Abstract
An energy management system for an offshore power grid comprises an information layer, a station control layer and a spacer layer. The information layer, the station control layer and the spacer layer are respectively disposed on a central control station and distributed in platform work stations of a plurality of offshore platform power stations in a sea area, and the station control layer is connected and communicated with the information layer and the spacer layer through a communication network. The energy management system realizes monitor and control to generator sets and circuit breakers, distribution and adjustment control to in-station reactive power and reactive power capacity, preferential trip control, start and management control to loops of a motor, black start of a power grid and distribution control to a platform switch-off system through the information layer, the station control layer and the spacer layer. In addition, the energy management system has the advantages of high channel speed and automation degree, high function integration, safe and reliable work, easy maintenance, flexible arrangement and the like.
Description
[technical field]
The utility model relates to the electric power system of offshore oil platform, particularly relates to the EMS that a kind of electrical network that a plurality of offshore platforms power station that is distributed in the marine site is constituted carries out the marine electrical network of real time monitoring, control and management.
[background technology]
At present, the development and utilization to marine resources is all constantly strengthened in countries in the world, particularly to the oil in coastal waters, the development and utilization of natural gas resource.Supply of electric power then is the important step during oil, air to open are sent out.Because marine each oil gas field is wide aparts all mostly, on the mining type, adopt a central platform to build a power station at present both at home and abroad mostly, are the mode of central platform and the power supply of each wellhead platform.There is following problem in this supply power mode:
The first since conventional offshore oil and gas field exploitation pattern to be that each oil gas field central platform is built a power station basically independently-powered, this pattern makes that each oil gas field power supply is single, as do not leave the stand-by generator group, and in case the unit fault will cause the platform dead electricity, the power supply reliability deficiency; All reserve stand-by generator group with the suitable capacity of its load as each platform, electric generation investment will greatly improve, the also corresponding complexity of electrical main connecting wire and power distribution equipment, and power supply takes up space and is multiplied, and the space of oil gas field platform then is limited and valuable.
Two to be units break down easily along with load increases for it, harmonic wave is bigger, and the quality of power supply is relatively poor, and single Oilfield Electric station marginal capacity is not enough, under the startup of powerful devices such as water injection pump, compressor, output pump is impacted, cause whole electric power system big ups and downs easily, and can cause field produces to close down.
It three is that each power station all must possess certain reserve capacity, has caused the repetition of resource distribution.
Exist resource distribution unreasonable in addition, underutilization of resources, operating cost and maintenance cost height, problem such as energy resource consumption is big.
On the other hand, land electrical network is by the control of huge and complicated control system realization to electrical network, and these systems are also inapplicable for the isolated minor scale power net of Oilfield Group, and not only investment is big, also need be equipped with a large amount of operation maintenance personnel.The Oilfield Group electrical network is the auxiliary system of Petroleum Production, can not look like land electrical network configuration schedules mechanism and personnel.The work that land electrical networks such as the monitoring of each platform power supply equipment, the management of load and balance can be finished by scheduling/operator on duty must be carried out by supermatic system at this.Different at offshore oil platform electrical network and land electrical network, the oil platform particularity of producing particularly, offshore oilfield group electrical network must than land grid automation degree require higher, real-time is stronger, function is more highly integrated, channel rate is higher, the message transmission real-time is a Millisecond.Therefore traditional factory station and data dispatching network, the designated lane between the main station system can not satisfy transmission request message, and require to possess reliable more at a high speed passage.
[summary of the invention]
The utility model is intended to address the above problem, and a kind of channel rate and automaticity height are provided, and highly-integrated functions is safe and reliable, is easy to safeguard the EMS of the marine electrical network of flexible configuration.
For achieving the above object, the utility model provides a kind of EMS of marine electrical network, this system comprises Information Level, station level and wall, described Information Level, station level and wall are arranged at central control station respectively and are distributed in the platform work station in a plurality of offshore platforms power station in the marine site, described station level is connected with Information Level and wall by communication network and communicates by letter, and this system passes through Information Level, station level and wall are implemented supervision and the control to each generating set, the supervision of each circuit breaker and control, reactive power in standing, control is regulated in the distribution that reactive power is exerted oneself, the preferential control of threading off, motor circuit starts management control, the black startup of electrical network reaches the control that cooperates of the system of turn-offing with platform.
Communication network is two web frames, and Information Level and station level are established two 100M Ethernets for every layer, and the network of Information Level and station level is separate, and wall is connected with described communication network by fieldbus.
Information Level comprises at least one station server that is arranged on central control station and is separately positioned on central control station and the multiple host of a plurality of platform work stations and corresponding network device that the main frame of central control station and each platform work station can be standby mutually through authorizing; The described network equipment comprises switch, telecommunication cable or optical cable and optical-electrical converter, and described telecommunication cable or optical cable are submarine cable or the optical cable that is laid between each offshore platform power station.
Station level comprises a plurality of field controllers, a plurality of communication server and corresponding network device, and a plurality of field controllers are separately positioned in a plurality of platform work stations of central control station, and is connected with the Ethernet of Information Level and station level.
Field controller comprises digital protective relay system, intelligent electric kilsyth basalt and electric power meter, UPS device, computer supervisory control system interface and unit control system, wherein, unit control system comprises production control system, safety control system and engine controller; The described communication server is connected with Information Level with station level respectively and communicates by letter; The network equipment comprises switch, telecommunication cable or optical cable and optical-electrical converter, and described telecommunication cable or optical cable are submarine cable or the optical cable that is laid between each offshore platform power station.
The multiple host of central control station is communicated by letter with a plurality of field controllers of station level by described communication network, carry out the data acquisition and the security monitoring of real-time power network data, carry out the generating adjustment and the control of network load prediction, electrical network autobalance and automatic generation control, and electrical network is carried out real-time idle work optimization calculate, automatically distribute the reactive power of each unit to exert oneself, and realize voltage adjustment and control the control of unit reactive power.
Data acquisition and security monitoring comprise the analogue data that receives field controller; switch/status data; pulse data; the action data of protective device; the reseting data of substation; the gps clock data; cycle and other non-telemechanical class data; communication network and field controller are detected; and to communication network carry out failure rate and the error rate automatically statistics and with a plurality of platform work stations carry out to the time; to validity; limit value; rate of change; drift; the remote measurement of full scale value is handled; gear is handled; single/pair remote signalling is handled; accident is judged; switch failure tripping operation number of times statistics is handled with the remote signalling of reporting to the police; electricity is handled; the processing of listing; data computation and statistics; automatically mend and measure; automatically always add calculating; the real time data processing that the topology of autobalance rate is calculated automatically; split to close and carry out the remote control folding and on-load tap-changer of transformer is carried out the remote control control of remote control lift and to generator power; the control of the remote regulating of voltage power-less adjusting device and adjusting; provide file and statistical computation to historical data; dispatcher's operation; show trend curve; the incident of carrying out is recollected; sequence of events recording; to the data locking and the release of being gathered, set up factory's station bus; circuit; transformer measures autobalance and calculates.
Wall comprises to electric pressure being the two buss lines of 35kV; main transformer; the protection of reactor and synthesis observe and control device; described protection and synthesis observe and control device comprise protection relay and multi-tester table; protection and synthesis observe and control device connect with the field controller of station level and communicate by letter; and and unit control system; digital protective relay system communication; realization is to the information gathering and the control of each wall electric equipment, and described integrated signal collection and measure and control device are gathered the 35kV busbar voltage; UPS plant failure or abnormal signal; platform cut-off signals and internal heat alarm signal data.
The multiple host of a plurality of platform work stations is communicated by letter with a plurality of field controllers of station level by described communication network, carry out the supervision of each generating set and control, circuit breaker monitors and control, stand in preferential dropout control, the motor circuit of reactive power, the reactive power distribution of exerting oneself when regulating control, unit or extra large cable and breaking down start management control, electrical network/power station black startup and and platform shutoff system cooperate control.
The supervision of each generating set and control are active power, reactive power, frequency, power factor, oil temperature, oil pressure, the running status to generating set, the collection of fault-signal, the start-stop sequential control of unit, unit synchronously, the frequency of unit and voltage adjustment; Described circuit breaker monitors and control is the collection of information of reactive power, reactive power, circuit breaker position signal, protection measure and control device to the circuit breaker loop and the branch of circuit breaker/close control; The switching of the adjustment control, the adjustment of main transformer on-load voltage regulating switch and the reactor that comprise that the generator reactive power/reactive power in the whole network and the station is exerted oneself is regulated in the distribution that reactive power, reactive power are exerted oneself in the described station; Described preferential dropout be when at least one the generating set at each station or extra large cable because fault preferential dropout out of service; It is to calculate the input of this motor circuit automatically the influence of electrical network to be reached the load from the trend high capacity motor sends the locking enabling signal under the electric network fault situation when each motor circuit puts into operation that described motor circuit starts management; Described electrical network/power station is black to be started is at the electrical network full cut-off or when respectively standing full cut-off, automatic or manual carries out the operation that restores electricity in power station; Turn-offing cooperating of system with platform is to automatically shut down electric equipment power supply on the platform by programmable logic controller (PLC) when emergency such as fire occurring at platform.
Contribution of the present utility model is, it has taken into full account the particularity that offshore oil platform is produced, EMS and unique network configuration of marine electrical network have been proposed to be suitable for, formed the EMS channel organization of the uniqueness of layered distribution type, realized the Highgrade integration of function, a system of the present utility model can realize whole supervision and the control to electrical network.Online peace control function information transmission real-time of the present utility model is a Millisecond, and land network system real-time is a second level, so the channel rate height.The system of the present utility model Information Security of can giving security, and can isolate rapidly and the removal system fault, the arbitrary Single Point of Faliure of system all can not influence the normal operation of system, and guarantees that failover procedure is fast and steadily.Because the used equipment of system of the present utility model all meets modern international standard and industrial standard, therefore be convenient to safeguard.
[description of drawings]
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an example structure schematic diagram of the present utility model.
[embodiment]
The following example is to further explanation of the present utility model and explanation, and the utility model is not constituted any limitation.
Consult Fig. 1, the EMS of marine electrical network of the present utility model comprises Information Level 10, station level 20 and wall 30, described Information Level 10, station level 20 and wall 30 are arranged at respectively in the platform workstation1 2 in central control station 11 and a plurality of offshore platforms power station, a plurality of offshore platforms power station then is arranged on a marine site, and for example a plurality of offshore oil in the Oilfield Group of southwest, the Wei of Guangdong Zhanjiang sea area creep on the platform.The mutual distance in a plurality of offshore platforms power station is 10Km～60Km.Described central control station 11 is preferably disposed on the island or on the bank, in the present embodiment, central control station 11 is arranged in the platform power station of Weizhou Island, and it bears the central station function of system.Be provided with two enterprise-level servers 111 and two main frames 112 in this central control station 11, being configured to of server 111: two Xeon CPU each 〉=2.66GHz (2Mcache), internal memory 〉=4GB DDR internal memory, 2X72G hot plug hard disk/CD, 10/100/1000M network interface card X2, duplicate supply.It can adopt brand equipment such as HP, SUN, IBM, and adopts rack to install.Two main frames 112 are the stand-by heat working method each other, and when the working machine fault, guest machine promotes to working machine automatically, realizes no disturbance switching.Described platform workstation1 2 is arranged in each offshore platform power station, only shows two platform work stations among the embodiment shown in Figure 1, respectively is provided with 1～2 main frame 121 in each platform work station.This platform workstation1 2 is gathered for information about by field controller 21, bay device is realized function for monitoring, to generating set, circuit breaker, main transformer on-load voltage regulating switch etc. control and operate, functions such as warning, SOE, statistical computation, self diagnosis.
As shown in Figure 1 and Figure 2, described Information Level 10 comprises server 111, main frame 112,121 and the network equipment 113, wherein, two-server 111 is arranged in the central control station 11, is respectively equipped with main frame 112 and two main frames 121 in central control station 11 and two platform workstation1s 2.The main frame of central control station 11 and each platform workstation1 2 can be standby mutually through authorizing.The described network equipment 113 comprises the general switch in power station 1131, optical-electrical converter 1132 and communications optical cable 1133; in the present embodiment; described communications optical cable is a submarine fiber cable; they are embedded in the seabed between each offshore platform power station; wherein; the marine part of submarine fiber cable is imbedded under the sea bed about 2 meters, adds the cable protection protection of pipe in suspicious reef district.The shoal is partly with imbedding following 1 meter of sea bed behind the protection of submarine cable protection of pipe.
As shown in Figure 1 and Figure 2, described station level 20 comprises a plurality of field controllers 21, a plurality of communication server 22 and corresponding network device 23, a plurality of field controllers 21 are separately positioned in central control station 11 and a plurality of platform workstation1 2, and be connected with the Ethernet of Information Level and station level and communicate by letter, and realize functions such as online peace control, power station automation.More particularly; described field controller 21 comprises digital protective relay system, intelligent electric kilsyth basalt and electric power meter, UPS device, computer supervisory control system interface and unit control system 215; wherein; digital protective relay system is the functional universal relay; it is used for to protective relaying device information such as send to revise that definite value, throwing/surrender are protected, and accepts the information such as warning, action, definite value of protective relaying device.Intelligent electric kilsyth basalt and electric power meter, UPS device are by commercially available.The computer supervisory control system interface is a universal computer interface.Described unit control system 215 comprises production control system 2151, safety control system 2152 and engine controller 2153, and they are existing set control system.The described communication server 22 is connected with Information Level 10 with station level 20 respectively and communicates by letter.The described network equipment 23 comprises the general switch in power station 231, optical-electrical converter 232 and communications optical cable 233, and described communications optical cable is the submarine fiber cable that is laid between each offshore platform power station.
Again as shown in Figure 1; described wall 30 comprises protection and synthesis observe and control device; it comprises protection relay and multi-tester table; it is two buss lines, the main transformer of 35kV, the protection observing and controlling of reactor that this protection and synthesis observe and control device protection measure and control device is used for electric pressure; all protection measure and control devices are that distributing is installed; to reduce space requirement as far as possible, manage concentratedly by data/address bus.Described integrated signal collection and measure and control device are used to gather the common signal data that comprise 35kV busbar voltage, UPS plant failure or abnormal signal, platform cut-off signals, internal heat alarm signal and other needs.Above-mentioned protection and synthesis observe and control device can be contained in the same rack with the field controller 21 of station level.This protection and synthesis observe and control device are connected with the field controller 21 of station level and communicate by letter, and communicate by letter with unit control system, digital protective relay system, realize information gathering and control to each wall electric equipment.
Described station level 20 is connected with Information Level 10 and wall 30 by communication network and communicates by letter, as Fig. 2, described communication network is two web frames, Information Level 10 and station level 20 every layer establish two 100M Ethernets, the network of Information Level and station level is separate, and wall is connected with described communication network by fieldbus.System of the present utility model by Information Level 10, station level 20 and wall 30 implement to the supervision of each generating set and control, each circuit breaker supervision and control, stand in the distribution of exerting oneself of reactive power, reactive power regulate control, the preferential control of threading off, motor circuit start management control, electrical network black startup and with the control that cooperates of platform shutoff system.Specifically, the main frame 112 of central control station 11 is communicated by letter with a plurality of field controllers 21 of station level 20 by described communication network, carry out data acquisition and the security monitoring and the processing of real-time power network data, carry out the generating adjustment and the control of network load prediction, electrical network autobalance and automatic generation control, and electrical network is carried out real-time idle work optimization calculate, automatically distribute the reactive power of each unit to exert oneself, and realize voltage adjustment and control the control of unit reactive power.More specifically, data acquisition and security monitoring comprise:
One, with the communicating by letter of each field controller of station level
The main frame 112 of central control station 11 communicates by 100M network channel and each field controller 21, receives analogue data, switch/status data, pulse data, the actuating signal data of protective device, reset signal data, gps clock data, cycle and other non-telemechanical class data of substation.Simultaneously, provide detection,, take appropriate measures so that in time find their fault to network service passage and field controller equipment.Communication port is carried out real time monitoring and carries out failure rate and the error rate is added up automatically, and with the substation carry out to the time.
Two, data processing
The main frame 112 of central control station 11 can comprise that the data of generator, circuit breaker and load are carried out following real-time processing to grid equipment:
Remote measurement is handled, and comprises the processing of validity, limit value, rate of change, drift, full scale value; The remote signalling processing comprises that gear processing, list/pair remote signalling processing, accident are judged, switch failure trips the number of times statistics and warning, electricity processing, the processing of listing, data computation and statistics, the automatic calculating of topology (benefit measures, always adds automatically calculating, the calculating of autobalance rate automatically) and other automatic statistics etc.
Three, control and adjusting
Central control station 11 will be realized remotely-controlled object: the exert oneself control of adjustment (pressure regulation) etc. of the control of adjustment (speed governing) and unit reactive power of exerting oneself of the circuit breaker branch of the outlet of 35kV/6kV circuit, unit, each side of main transformer/close, main transformer on-load voltage regulating switch position lifting/lowering, unit active power.Because these remotely-controlled objects can be subjected to central control station 11 and each platform workstation1 2 and the control of control switch (button) on the spot, synchronization is accepted on the spot in order to avoid, the control in local a, distant place, between central control station 11 and each the platform workstation1 2 the corresponding interlocking function is set, the remote control of locking central control station 11 when each platform workstation1 2 is carried out distant control function.Simultaneously the measure and control device on switch cubicle or switch cubicle must dispose the diverter switch of " on the spot/distant place " control, when guaranteeing that circuit breaker carries out Artificial Control in the locality, and the control of shielding distant place central control station 11 and each platform workstation1 2.System control principle is for Artificial Control is preferential on the spot, when controlling on the spot by diverter switch the romote controlled locking of central control station 11 and each platform workstation1 2.The remote control of central control station 11 and each platform workstation1 2 is then preferential with each platform workstation1 2, by software the automatic control of the remote control of central control station 11 and each platform workstation1 2 or central control station 11 (unit AGC, AVC control) locking.
Four, historical data
Central control station 11 can be to following data: the digital value report of measurement data, electric energy metrical and statistics, all kinds of cumulative data, statistical computation data, status data, incident/warning information, event sequence information, emergency review data, trend data and curve, prediction data, planning data, band quality tab, application software result of calculation section etc. file and statistical computation.
Central control station 11 is provided with the interface in access history data storehouse, with inquiry and the processing of carrying out historical data.The blanking time that data are preserved is adjustable (be 1 second minimum blanking time), and can be set a plurality of blanking times.
Generating is adjusted and control comprises:
Generating is adjusted and control comprises that mainly load prediction, electrical network autobalance, automatic generation control, above-mentioned control all realize by corresponding software, satisfies interconnecting ties and frequency departure control (TBC control model), wherein:
One, electrical network generated electricity adjust and the target of control is:
Keep system frequency in 50 ± 0.2Hz scope.
Keep the clocking error of system.
The clean exchange power of keeping the submarine fiber cable between each platform within the limits prescribed.
Require to adjust unit output according to the trend security control, satisfy the network security constraint requirements.
Two, electrical network generated electricity adjust and control is:
According to the ruuning situation of each terminal of electrical network, platform unit, formulate various Reactive Power Control schemes, and automatically each unit output is adjusted (speed governing) by this controlling schemes, realize keeping the target of system frequency in 50 ± 0.2Hz scope.
Be to guarantee the real-time of control, central control station 11 can by software to each platform carry out to the time, kept the clocking error of system; Simultaneously, each terminal, platform have disposed gps clock, can be separately to the time.System possess simultaneously above-mentioned two kinds to the time function.
Load prediction is mainly the appliance load prediction on island, central control station place.
Require to adjust unit output according to the trend security control, satisfy the network security constraint requirements.
Carrying out above-mentioned adjustment and when control, central control station 11 is sent to the field controller 21 of each platform workstation1 2 to control command by the 100M network, and field controller communicates commands to unit control system or other measurement and control unit by field network.
Three, voltage adjustment and control
Voltage adjustment and control are the Core Features that realizes line voltage control, and it can be realized by automatism voltage control and static voltage stability analysis software.
The real time information of the main frame 112 of the central control station that central control station 11 bases receive and the main frame 121 of platform workstation1 2, electrical network is carried out real-time idle work optimization to be calculated, automatically distribute the reactive power of each unit to exert oneself, and realize control (pressure regulation) the unit reactive power.
Carrying out above-mentioned adjustment and when control, central control station 11 is sent to the field controller 21 of each platform workstation1 2 to control command by the 100M network, and field controller communicates commands to unit control system or other measurement and control unit by field network.
As shown in Figure 1, the multiple host 121 of a plurality of platform workstation1s 2 communicate by letter with a plurality of field controllers 21 of station level 20 by described communication network, carry out the supervision of each generating set and control, circuit breaker monitor and control, stand in preferential dropout control, the motor circuit of reactive power, the reactive power distribution of exerting oneself when regulating control, unit or extra large cable and breaking down start that management is controlled, the black startup in electrical network/power station reaches and platform shutoff system cooperate control.Above-mentioned every control is specific as follows described:
One, the supervision of each generating set and control
Various information such as the active power of generating set, reactive power, frequency, power factor, oil temperature, oil pressure, running status, fault-signal are gathered, and the frequency (gaining merit) of synchronous, the unit of the start-stop order of unit, unit and voltage (idle) etc. are adjusted control.
Two, circuit breaker monitors and control
To gathering for information about and the branch of circuit breaker/close control of the reactive power in circuit breaker loop, circuit breaker position signal, protection measure and control device; adjust control to comprising that the interior generator reactive power/reactive power of the whole network and station is exerted oneself, and the adjustment and the reactor switching of main transformer on-load voltage regulating switch are controlled.
Three, the preferential control of threading off
Unit in each offshore platform or two units are because fault is out of service, or submarine fiber cable hinders when out of service for some reason, and corresponding platform workstation1 2 will be implemented the preferential operation of threading off.The preferential dropout requires to have higher real-time, back 6 cycle times take place at above-mentioned various failure conditions, be that (fault occurs to the EMS system and preferentially threads off time of I/O relay outlet 120mS, do not comprise the breaker open operation time) in just answer action message, but unload all load removals, and cut off extra large cable circuit breaker between the power station.
Four, motor circuit start-up control
When each motor circuit will put into operation, the main frame 121 of platform workstation1 2 calculated the influence of the input of this motor circuit to electrical network automatically, guaranteed the reliable input in loop.Under the electric network fault situation, the platform work station sends the locking enabling signal from the load of trend high capacity motor.
Five, the black function that starts in electrical network/power station
When electrical network full cut-off or each offshore platform power station full cut-off, platform work station main frame 121 will provide corresponding startup scheme.The site operation personnel is after platform workstation1 2 is selected corresponding scheme, and system's (requirement can be set to manually) automatically carries out the operation that restores electricity in power station.
Six, turn-off the control that cooperates of system with platform
Be provided with a cover shutoff system in a platform workstation1 2 therein.This system controls by programmable logic controller (PLC) (PLC), can automatically shut down the electric equipment power supply on the platform at sea when emergencies such as fire appear in platform.The shutoff system will be provided with 3 grades of shutoffs such as 1,2,3 according to the difference of the condition of a disaster, send 3 grades of cut-off signals such as corresponding 1,2,3 to platform work station main frame.In addition, the fire of 35KV switch gear room, transformer room and smoke alarm signal also will be got angry by related system, the gas alarm signal is to platform work station main frame.After platform work station main frame receives the cut-off signals of shutoff system, will automatically shut down corresponding electric equipment immediately.
Claims (10)
1. the EMS of a marine electrical network, it is characterized in that, this system comprises Information Level (10), station level (20) and wall (30), described Information Level (10), station level (20) and wall (30) are arranged at central control station (11) respectively and are distributed in the platform work station (12) in a plurality of offshore platforms power station in the marine site, described station level (20) is connected with Information Level (10) and wall (30) by communication network and communicates by letter, and this system is by Information Level (10), station level (20) and wall (30) are implemented supervision and the control to each generating set, the supervision of each circuit breaker and control, reactive power in standing, control is regulated in the distribution that reactive power is exerted oneself, the preferential control of threading off, motor circuit starts management control, the black startup of electrical network reaches the control that cooperates of the system of turn-offing with platform.
2. the EMS of marine electrical network as claimed in claim 1, it is characterized in that, described communication network is two web frames, Information Level (10) and station level (20) are established two 100M Ethernets for every layer, the network of Information Level and station level is separate, and wall is connected with described communication network by fieldbus.
3. the EMS of marine electrical network as claimed in claim 2, it is characterized in that, described Information Level (10) comprises at least one station server (111) that is arranged on central control station (11) and is separately positioned on central control station (11) and multiple host of a plurality of platform work station (12) (112,121) and corresponding network device that the main frame of central control station (11) and each platform work station (12) can be standby mutually through authorizing; The described network equipment comprises switch, telecommunication cable or optical cable and optical-electrical converter, and described telecommunication cable or optical cable are submarine cable or the optical cable that is laid between each offshore platform power station.
4. the EMS of marine electrical network as claimed in claim 1, it is characterized in that, described station level (20) comprises a plurality of field controllers (21), a plurality of communication server (22) and corresponding network device, a plurality of field controllers (21) are separately positioned in central control station (11) and a plurality of platform work station (12), and are connected with the Ethernet of Information Level and station level.
5. the EMS of marine electrical network as claimed in claim 4, it is characterized in that, described field controller (21) comprises digital protective relay system, intelligent electric kilsyth basalt and electric power meter, UPS device, computer supervisory control system interface and unit control system, wherein, unit control system comprises production control system, safety control system and engine controller; The described communication server (22) is connected with Information Level (10) with station level (20) respectively and communicates by letter; The network equipment comprises switch, telecommunication cable or optical cable and optical-electrical converter, and described telecommunication cable or optical cable are submarine cable or the optical cable that is laid between each offshore platform power station.
6. the EMS of marine electrical network as claimed in claim 4, it is characterized in that, the multiple host (12) of described central control station (11) is communicated by letter with a plurality of field controllers (21) of station level (20) by described communication network, carry out the data acquisition and the security monitoring of real-time power network data, carry out the generating adjustment and the control of network load prediction, electrical network autobalance and automatic generation control, and electrical network is carried out real-time idle work optimization calculate, automatically distribute the reactive power of each unit to exert oneself, and realize voltage adjustment and control the control of unit reactive power.
7. the EMS of marine electrical network as claimed in claim 6; it is characterized in that; described data acquisition and security monitoring comprise the analogue data that receives field controller; switch/status data; pulse data; the action data of protective device; the reseting data of substation; the gps clock data; cycle and other non-telemechanical class data; communication network and field controller are detected; and to communication network carry out failure rate and the error rate automatically statistics and with a plurality of platform work stations (12) carry out to the time; to validity; limit value; rate of change; drift; the remote measurement of full scale value is handled; gear is handled; single/pair remote signalling is handled; accident is judged; switch failure tripping operation number of times statistics is handled with the remote signalling of reporting to the police; electricity is handled; the processing of listing; data computation and statistics; automatically mend and measure; automatically always add calculating; the real time data processing that the topology of autobalance rate is calculated automatically; split to close and carry out the remote control folding and on-load tap-changer of transformer is carried out the remote control control of remote control lift and to generator power; the control of the remote regulating of voltage power-less adjusting device and adjusting; provide file and statistical computation to historical data; dispatcher's operation; show trend curve; the incident of carrying out is recollected; sequence of events recording; to the data locking and the release of being gathered, set up factory's station bus; circuit; transformer measures autobalance and calculates.
8. the EMS of marine electrical network as claimed in claim 1; it is characterized in that; described wall (30) comprises to electric pressure being the two buss lines of 35kV; main transformer; the protection of reactor and synthesis observe and control device; described protection and synthesis observe and control device comprise protection relay and multi-tester table; protection and synthesis observe and control device are connected with the field controller (21) of station level and communicate by letter; and and unit control system; digital protective relay system communication; realization is to the information gathering and the control of each wall electric equipment, and described integrated signal collection and measure and control device are gathered the 35kV busbar voltage; UPS plant failure or abnormal signal; platform cut-off signals and internal heat alarm signal data.
9. the EMS of marine electrical network as claimed in claim 8, it is characterized in that, the multiple host (13) of described a plurality of platform work stations (12) communicate by letter with a plurality of field controllers (21) of station level (20) by described communication network, carry out the supervision of each generating set and control, circuit breaker monitor and control, stand in preferential dropout control, the motor circuit of reactive power, the reactive power distribution of exerting oneself when regulating control, unit or extra large cable and breaking down start that management is controlled, the black startup in electrical network/power station reaches and platform shutoff system cooperate control.
10. the EMS of marine electrical network as claimed in claim 9, it is characterized in that, the supervision of described each generating set and control are active power, reactive power, frequency, power factor, oil temperature, oil pressure, the running status to generating set, the collection of fault-signal, the start-stop sequential control of unit, unit synchronously, the frequency of unit and voltage adjustment; Described circuit breaker monitors and control is the collection of information of reactive power, reactive power, circuit breaker position signal, protection measure and control device to the circuit breaker loop and the branch of circuit breaker/close control; The switching of the adjustment control, the adjustment of main transformer on-load voltage regulating switch and the reactor that comprise that the generator reactive power/reactive power in the whole network and the station is exerted oneself is regulated in the distribution that reactive power, reactive power are exerted oneself in the described station; Described preferential dropout be when at least one the generating set at each station or extra large cable because fault preferential dropout out of service; It is to calculate the input of this motor circuit automatically the influence of electrical network to be reached the load from the trend high capacity motor sends the locking enabling signal under the electric network fault situation when each motor circuit puts into operation that described motor circuit starts management; Described electrical network/power station is black to be started is at the electrical network full cut-off or when respectively standing full cut-off, automatic or manual carries out the operation that restores electricity in power station; Turn-offing cooperating of system with platform is to automatically shut down electric equipment power supply on the platform by programmable logic controller (PLC) when emergency such as fire occurring at platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020298240 CN201781325U (en) | 2010-08-19 | 2010-08-19 | Energy management system for offshore power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020298240 CN201781325U (en) | 2010-08-19 | 2010-08-19 | Energy management system for offshore power grid |
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| Publication Number | Publication Date |
|---|---|
| CN201781325U true CN201781325U (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201020298240 Expired - Lifetime CN201781325U (en) | 2010-08-19 | 2010-08-19 | Energy management system for offshore power grid |
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| CN (1) | CN201781325U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951025A (en) * | 2010-08-19 | 2011-01-19 | 中国海洋石油总公司 | Energy management system of offshore grid |
| CN102694349A (en) * | 2012-06-08 | 2012-09-26 | 广东电网公司佛山供电局 | Interface display method and device for integrated multi-dimensional information monitoring |
| CN102751787A (en) * | 2012-06-19 | 2012-10-24 | 江苏科技大学 | Ship region distribution system and monitoring system thereof |
| RU2503115C1 (en) * | 2012-05-03 | 2013-12-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Орловский государственный аграрный университет" (ФГБОУ ВПО ОрелГАУ) | Mast power plant-compensator of reactive power of overhead power transmission line |
| CN103580265A (en) * | 2012-07-02 | 2014-02-12 | 科勒公司 | Standby power system that predicts need to supply power to load to minimize start time of generator |
| RU2706962C1 (en) * | 2019-04-29 | 2019-11-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина" | Mast power plant-compensator of reactive and active power of overhead transmission line |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101951025A (en) * | 2010-08-19 | 2011-01-19 | 中国海洋石油总公司 | Energy management system of offshore grid |
| CN101951025B (en) * | 2010-08-19 | 2013-04-10 | 中国海洋石油总公司 | Energy management system of offshore grid |
| RU2503115C1 (en) * | 2012-05-03 | 2013-12-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Орловский государственный аграрный университет" (ФГБОУ ВПО ОрелГАУ) | Mast power plant-compensator of reactive power of overhead power transmission line |
| CN102694349A (en) * | 2012-06-08 | 2012-09-26 | 广东电网公司佛山供电局 | Interface display method and device for integrated multi-dimensional information monitoring |
| CN102694349B (en) * | 2012-06-08 | 2015-02-11 | 广东电网公司佛山供电局 | Interface display method and device for integrated multi-dimensional information monitoring |
| CN102751787A (en) * | 2012-06-19 | 2012-10-24 | 江苏科技大学 | Ship region distribution system and monitoring system thereof |
| CN102751787B (en) * | 2012-06-19 | 2014-12-10 | 江苏科技大学 | Ship region distribution system and monitoring system thereof |
| CN103580265A (en) * | 2012-07-02 | 2014-02-12 | 科勒公司 | Standby power system that predicts need to supply power to load to minimize start time of generator |
| CN103580265B (en) * | 2012-07-02 | 2017-03-01 | 科勒公司 | Predict the demand that powers to the load so that the standby power system that minimizes of start time of generator |
| RU2706962C1 (en) * | 2019-04-29 | 2019-11-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина" | Mast power plant-compensator of reactive and active power of overhead transmission line |
| 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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