CN104420491A - Power management system of dredger - Google Patents
Power management system of dredger Download PDFInfo
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- CN104420491A CN104420491A CN201310400705.8A CN201310400705A CN104420491A CN 104420491 A CN104420491 A CN 104420491A CN 201310400705 A CN201310400705 A CN 201310400705A CN 104420491 A CN104420491 A CN 104420491A
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Abstract
The invention discloses a power management system of a dredger, which is capable of carrying out automatic power distribution and effective power management on main electric equipment of the dredger, meeting the electricity demand of dredger equipment and ensuring the normal operation of an electric power system of the dredger during a switching process of a sailing mode, an operation mode and a power distribution mode. The power management system comprises a controller collection module, a master controller, a standby controller, an exchanger and a power operation console, wherein the controller collection module is used for collecting dredger equipment signals, the master controller and the standby controller are respectively a PLC (Programmable Logic Controller) in which controller software can be embedded, and the standby controller can be automatically started when the master controller is damaged; the controller software comprises one system main entrance module and twenty two function modules, the power operation console comprises a computer monitoring terminal and monitoring software, and the monitoring software comprises an automatic power station state judging module, an on-off state judging module, a power calculating module, a mode switching module, a power management module and an alarm module.
Description
Technical field
The present invention relates to a kind of power management system, especially a kind of dredge boat power management system.
Technical background
The consumer of dredge boat is a lot, and along with dredge boat is to maximization, modernization development, energy cost also constantly rises thereupon.In order to reduce energy cost, improving energy use efficiency, wishing the power reducing generator as much as possible, improve the service efficiency of electric energy.How the automatic distribution of power and effective management of power are carried out to the equipment such as diesel-driven generator, emergency diesel dynamo, left/right axle generator, left/right main frame, left/right main transformer, left/right screw, left/right dredge pump frequency converter, left/right high-pressure flush pump frequency conversion device of dredge boat, both the need for electricity of dredge boat equipment had been met, guarantee that dredge boat power system in navigation, operation and power distribution mode handoff procedure normally runs, electric power can be reduced as much as possible again, energy conservation, emissions reduction.
Summary of the invention
Technical problem to be solved by this invention is, there is provided a kind of and can carry out the automatic distribution of power and effective management of power to the primary electricity using device of dredge boat, meet the need for electricity of dredge boat equipment, guarantee dredge boat a kind of dredge boat power management system that power system normally runs in navigation, operation and power distribution mode handoff procedure.
In order to solve the problems of the technologies described above, a kind of dredge boat power management system of the present invention, comprises controller acquisition module, master controller, spare controller, switch, power operation console.Described controller acquisition module connects 3 diesel-driven generators, emergency diesel dynamo, left/right axle generator, left/right main frame, left/right main transformer, low pressure main distribution board, middle pressure main distribution board, left/right screw, left/right dredge pump frequency converter, left/right high-pressure flush pump frequency conversion device, left/right water shutoff pump, left/right hydraulic power unit, bow thruster, left/right bow low pressure main distribution board, with Information Monitoring by signal cable; Described controller acquisition module also connects master controller and spare controller by the mode of fieldbus, and described master controller is connected switch with spare controller respectively by Ethernet, and described switch connects power operation console by Ethernet.
Described master controller and spare controller are the programmable logic controller that can embed controller software, and when master controller damages, spare controller starts automatically.
Described controller software runs the SIMATIC S7-300 of CPU in the programmable controller \ on S7-400, controller software comprises 1 system main-inlet module and 22 functional modules, system main-inlet module is concurrent processing module, memory-resident, calling system 22 functional modules, 22 functional modules comprise: data conversion module, MIMIC-A module, MIMIC-B module, MIMIC-C module, MIMIC-D module, MIMIC control module, switch control module, power current computing module, power distribution mode judge module, power distribution mode handover module, fault and alarm module, automatic power plant dead electricity recovers module, automatic power plant underloading off-the-line module, automatic power plant overload drops into module, automatic power plant malfunctioning module, heavy-load start power management module, overload power administration module, automatic power plant judge module, unidirectional fan control module, two-way blower fan control module, two pumps are standby control module mutually, three pumps are standby control module mutually.
Described power operation console comprises computer monitoring terminal and monitoring software, monitoring software operates on the computer based on Windows operating system, and monitoring software comprises automatic power plant condition judgment module, on off state judge module, power computation module, mode switch module, power management module, alarm module.
Accompanying drawing explanation
Fig. 1 is that system of the present invention connects block diagram;
Fig. 2 is controller software flow logic figure of the present invention.
Detailed description of the invention
System of the present invention connects block diagram as shown in Figure 1, comprises controller acquisition module, master controller, spare controller, switch, power operation console.Controller acquisition module connects 3 diesel-driven generators, emergency diesel dynamo, left/right axle generator, left/right main frame, left/right main transformer, low pressure main distribution board, middle pressure main distribution board, left/right screw, left/right dredge pump frequency converter, left/right high-pressure flush pump frequency conversion device, left/right water shutoff pump, left/right hydraulic power unit, bow thruster, left/right bow low pressure main distribution board, with Information Monitoring by signal cable; Controller acquisition module also connects master controller and spare controller by the mode of fieldbus, and master controller is connected switch with spare controller respectively by Ethernet, and switch connects power operation console by Ethernet.
The device signal needing to gather is accessed the input/output module of programmable logic controller by controller acquisition module of the present invention with hard connecting mode, by Step7, configuration is carried out to programmable logic controller, gather all I/O information, main information comprises: the actual power of 3 diesel-driven generators and emergency diesel dynamo; The actual power of left/right axle generator and load limit; The actual power of left/right main frame and rotating speed; The actual load of left/right main transformer and running status; The actual power of left/right screw, permission power, rudder follower model; The actual load of left/right dredge pump frequency converter; Actual power, power-limiting, remote pilot, the running status of left/right high-pressure flush pump frequency conversion device; Start request, running status, remote pilot, the permission of bow thruster and not allowing is started, pitch restriction, power.Also comprise the information of normal operating, DT/DP operation, the remote control/automatic operation of MV-MSB, the remote control/automatic operation of LV-MSB.
Master controller and spare controller are the programmable logic controller that can embed controller software, and when master controller damages, spare controller starts automatically.
Controller software flow logic as shown in Figure 2.Controller software runs the SIMATICS7-300 of CPU in the programmable controller, and \ on S7-400, development language is STL language.Controller software module comprises 1 system main-inlet module and 22 functional modules, system main-inlet module is concurrent processing module, memory-resident, calling system 22 functional modules, 22 functional modules comprise: data conversion module, MIMIC-A module, MIMIC-B module, MIMIC-C module, MIMIC-D module, MIMIC control module, switch control module, power current computing module, power distribution mode judge module, power distribution mode handover module, fault and alarm module, automatic power plant dead electricity recovers module, automatic power plant underloading off-the-line module, automatic power plant overload drops into module, automatic power plant malfunctioning module, heavy-load start power management module, overload power administration module, automatic power plant judge module, unidirectional fan control module, two-way blower fan control module, two pumps are standby control module mutually, three pumps are standby control module mutually.
Controller software supports 13 kinds of power distribution mode, and the power calculation under often kind of pattern is as follows:
1, normally pattern is dredged
Be suitable for rake suction dredge, hydraulic reclamation operation.
Left/right axle generator is respectively to left/right main transformer, left/right high-pressure flush pump frequency conversion device, left/right dredge pump inverter supply.
Left/right main transformer is powered respectively to left/right bow low pressure main distribution board.
Low pressure main distribution board is by diesel-electric set electric supply.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD)+(P
sG (left side)/ η
sG) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD)+(P
sG (right side)/ η
sG) KW
P
sG (left side)=P
dT (left side)+ P
jP (left side)+ P
dP (left side)kW
P
sG (right side)=P
dT (right side)+ P
jP (right side)+ P
dP (right side)kW
P
dT (left side)=P
hydraulic pressure (left side)+ P
water shutoff (left side)+ P
thrusterkW
P
dT (right side)=P
hydraulic pressure (right side)+ P
water shutoff (right side)kW
P
1G+ P
2G+ P
3G=∑ P
equipmentkW
2, left axle generator dredging pattern
Be suitable for the dredging operation of separate unit dredge pump, throw mud and single pump/fall the operation of power double pump hydraulic reclamation.
Left axle generator is to left/right main transformer, left/right high-pressure flush pump frequency conversion device, left/right dredge pump inverter supply.
Left/right main transformer is powered respectively to left/right bow low pressure main distribution board.
Right axle generator does not work or fault.
Low pressure main distribution board is by diesel-electric set electric supply.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD)+(P
sG (left side)/ η
sG) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD) KW
P
sG (left side)=P
dT (left side)+ P
dT (right side)+ P
jP (left side)+ P
jP (right side)+ P
dP (left side)+ P
dP (right side)kW
P
dT (left side)=P
hydraulic pressure (left side)+ P
water shutoff (left side)+ P
thrusterkW
P
dT (right side)=P
hydraulic pressure (right side)+ P
water shutoff (right side)kW
P
1G+ P
2G+ P
3G=∑ P
equipmentkW
3, right axle generator dredging pattern
Be suitable for the dredging operation of separate unit dredge pump, throw mud and single pump/fall the operation of power double pump hydraulic reclamation.
Right axle generator is to left/right main transformer, left/right high-pressure flush pump frequency conversion device, left/right dredge pump inverter supply.
Left/right main transformer is powered respectively to left/right bow low pressure main distribution board.
Left axle generator does not work or fault.
Low pressure main distribution board is by diesel-electric set electric supply.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD)+(P
sG (right side)/ η
sG) KW
P
sG (right side)=P
dT (left side)+ P
dT (right side)+ P
jP (left side)+ P
jP (right side)+ P
dP (left side)+ P
dP (right side)kW
P
dT (left side)=P
hydraulic pressure (left side)+ P
water shutoff (left side)+ P
thrusterkW
P
dT (right side)=P
hydraulic pressure (right side)+ P
water shutoff (right side)kW
P
1G+ P
2G+ P
3G=∑ P
equipmentkW
4, left main transformer dredging pattern
Left axle generator is main transformer, left high-pressure flush pump frequency conversion device, left dredge pump inverter supply left.
Right axle generator is high-pressure flush pump frequency conversion device, right dredge pump inverter supply to the right.
Left main transformer is powered to left/right bow low pressure main distribution board.
Right main transformer does not work or fault.
Low pressure main distribution board is by diesel-electric set electric supply.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD)+(P
sG (left side)/ η
sG) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD)+(P
sG (right side)/ η
sG) KW
P
sG (left side)=P
dT (left side)+ P
jP (left side)+ P
dP (left side)kW
P
sG (right side)=P
jP (right side)+ P
dP (right side)kW
P
dT (left side)=P
hydraulic pressure (left side)+ P
hydraulic pressure (right side)+ P
water shutoff (left side)+ P
water shutoff (right side)+ P
thrusterkW
P
1G+ P
2G+ P
3G=∑ P
equipmentkW
5, right main transformer dredging pattern
Left axle generator is high-pressure flush pump frequency conversion device, left dredge pump inverter supply left.
Right axle generator is main transformer, right high-pressure flush pump frequency conversion device, right dredge pump inverter supply to the right.
Right main transformer is powered to left/right bow low pressure main distribution board.
Left main transformer does not work or fault.
Low pressure main distribution board is by diesel-electric set electric supply.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD)+(P
sG (left side)/ η
sG) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD)+(P
sG (right side)/ η
sG) KW
P
sG (left side)=P
jP (left side)+ P
dP (left side)kW
P
sG (right side)=P
dT (right side)+ P
jP (right side)+ P
dP (right side)kW
P
dT (right side)=P
hydraulic pressure (left side)+ P
hydraulic pressure (right side)+ P
water shutoff (left side)+ P
water shutoff (right side)+ P
thrusterkW
P
1G+ P
2G+ P
3G=∑ P
equipmentkW
6, normal energy-conservation dredging pattern
Left/right axle generator is respectively to left/right main transformer, left/right high-pressure flush pump frequency conversion device, left/right dredge pump inverter supply.
Left main transformer left bow low pressure main distribution board is powered.
Right main transformer to the right bow low pressure main distribution board is powered.
Right bow low pressure main distribution board, by interconnection switch, is powered to low pressure main distribution board.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD)+(P
sG (left side)/ η
sG) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD)+(P
sG (right side)/ η
sG) KW
P
sG (left side)=P
dT (left side)+ P
jP (left side)+ P
dP (left side)kW
P
sG (right side)=P
dT (right side)+ P
jP (right side)+ P
dP (right side)kW
P
dT (left side)=P
hydraulic pressure (left side)+ P
water shutoff (left side)+ P
thrusterkW
P
dT (right side)=P
hydraulic pressure (right side)+ P
water shutoff (right side)+ ∑ P
equipmentkW
7, pattern 1 is dispatched at a distance
Left axle generator left/right pressure main distribution board, left/right low pressure main distribution board, left main transformer power.
Left main transformer is powered to left/right bow low pressure main distribution board.
Right main transformer does not work or fault.
Bow low pressure main distribution board, by interconnection switch, is powered to low pressure main distribution board.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD)+(P
sG (left side)/ η
sG) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD) KW
P
sG (left side)=P
dT (left side)+ P
jP (left side)+ P
dP (left side)+ P
jP (right side)+ P
dP (right side)kW
P
dT (left side)=P
hydraulic pressure (left side)+ P
(left side)+ P
hydraulic pressure (right side)+ P
(right side)+ ∑ P
equipment+ P
thrusterkW
8, pattern 2 is dispatched at a distance
Left axle generator left/right pressure main distribution board, left/right low pressure main distribution board, right main transformer power.
Right main transformer is powered to left/right bow low pressure main distribution board.
Left main transformer does not work or fault.
Bow low pressure main distribution board, by interconnection switch, is powered to low pressure main distribution board.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD)+(P
sG (left side)/ η
sG) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD) KW
P
sG (left side)=P
dT (right side)+ P
jP (left side)+ P
dP (left side)+ P
jP (right side)+ P
dP (right side)kW
P
dT (right side)=P
thruster+ P
hydraulic pressure (left side)+ P
water shutoff (left side)+ P
hydraulic pressure (right side)+ P
water shutoff (right side)+ ∑ P
equipmentkW
9, mode 3 is dispatched at a distance
Right axle generator left/right pressure main distribution board, left/right low pressure main distribution board, left main transformer power.
Left main transformer is powered to left/right bow low pressure main distribution board.
Right main transformer does not drop into or fault.
Bow low pressure main distribution board, by interconnection switch, is powered to low pressure main distribution board.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD)+(P
sG (right side)/ η
sG) KW
P
sG (right side)=P
dT (left side)+ P
jP (left side)+ P
dP (left side)+ P
jP (right side)+ P
dP (right side)kW
P
dT (left side)=P
thruster+ P
hydraulic pressure (left side)+ P
water shutoff (left side)+ P
hydraulic pressure (right side)+ P
water shutoff (right side)+ ∑ P
equipmentkW
10, pattern 4 is dispatched at a distance
Right axle generator left/right pressure main distribution board, left/right low pressure main distribution board, right main transformer power.
Right main transformer is powered to left/right bow low pressure main distribution board.
Left main transformer does not drop into or fault.
Bow low pressure main distribution board, by interconnection switch, is powered to low pressure main distribution board.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD)+(P
sG (right side)/ η
sG) KW
P
sG (right side)=P
dT (right side)+ P
jP (left side)+ P
dP (left side)+ P
jP (right side)+ P
dP (right side)kW
P
dT (right side)=P
thruster+ P
hydraulic pressure (left side)+ P
water shutoff (left side)+ P
hydraulic pressure (right side)+ P
water shutoff (right side)+ ∑ P
equipmentkW
11, left axle generator sail mode
Left axle generator left/right pressure main distribution board, left/right low pressure main distribution board power distribution mode
Right axle generator does not work or fault.
Low pressure main distribution board, by interconnection switch, is powered to bow left/right low pressure main distribution board.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD)+(P
sG (left side)/ η
sG) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD) KW
P
sG (left side)=P
jP (left side)+ P
dP (left side)+ P
jP (right side)+ P
dP (right side)kW
P
1G+ P
2G+ P
3G=P
thruster+ P
hydraulic pressure (left side)+ P
hydraulic pressure (right side)+ P
water shutoff (left side)+ P
water shutoff (right side)+ ∑ P
equipmentk
12, right axle generator sail mode
Right axle generator left/right pressure main distribution board, left/right low pressure main distribution board power distribution mode
Left axle generator does not work or fault.
Low pressure main distribution board, by interconnection switch, is powered to bow left/right low pressure main distribution board.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD)+(P
sG (right side)/ η
sG) KW
P
sG (right side)=P
jP (left side)+ P
dP (left side)+ P
jP (right side)+ P
dP (right side)kW
P
1G+ P
2G+ P
3G=P
thruster+ P
hydraulic pressure (left side)+ P
hydraulic pressure (right side)+ P
water shutoff (left side)+ P
water shutoff (right side)+ ∑ P
equipmentkW
13, stopped mode
Left/right axle generator does not work.
Low pressure main distribution board is powered by diesel-driven generator.
Low pressure main distribution board is powered to left/right bow low pressure main distribution board by interconnection switch.
Power management calculates:
P
mE (left side)=(P
cPP (left side)/ η
gBPD) KW
P
mE (right side)=(P
cPP (right side)/ η
gBPD) KW
P
1G+ P
2G+ P
3G=P
thruster+ P
hydraulic pressure (left side)+ P
water shutoff (left side)+ P
hydraulic pressure (right side)+ P
water shutoff (right side)+ ∑ P
equipmentkW
Power operation console comprises computer monitoring terminal and monitoring software, monitoring software operates on the computer based on Windows operating system, and monitoring software comprises automatic power plant condition judgment module, on off state judge module, power computation module, mode switch module, power management module, alarm module.
Between monitoring software and controller software, carry out communication by OPC Server, communication link is based on 100MB Ethernet.
Monitoring software provides the real-time monitoring of data, and major function is as follows:
1, the switching of power distribution mode;
2, the automatic management of power distributes;
3, the work of medium-voltage distribution plate is monitored;
4, main transformer work is monitored;
5, monitor and diesel engine unit, low pressure main distribution board are managed;
6, when low-tension distribution board is powered by axle band motor, if low pressure main distribution board dead electricity, then diesel engine unit starts automatically;
7, perform and monitor the load transfer plan of medium-voltage distribution plate;
8, mud priming of pump is monitored, simultaneously for mud priming of pump discharges enough power;
9, high-pressure flush priming of pump is monitored, simultaneously for high-pressure flush priming of pump discharges enough power;
10, the starting of bow thruster is monitored, simultaneously for the starting of bow thruster discharges enough power;
11, prevent main frame from transshipping;
12, prevent axle generator from transshipping;
13, prevent main transformer from transshipping;
14, the display of system alarm.
Claims (4)
1. a dredge boat power management system, comprise controller acquisition module, master controller, spare controller, switch, power operation console, it is characterized in that: described controller acquisition module connects 3 diesel-driven generators by signal cable, emergency diesel dynamo, left/right axle generator, left/right main frame, left/right main transformer, low pressure main distribution board, middle pressure main distribution board, left/right screw, left/right dredge pump frequency converter, left/right high-pressure flush pump frequency conversion device, left/right water shutoff pump, left/right hydraulic power unit, bow thruster, left/right bow low pressure main distribution board, with Information Monitoring, described controller acquisition module also connects master controller and spare controller by the mode of fieldbus, and described master controller is connected switch with spare controller respectively by Ethernet, and described switch connects power operation console by Ethernet.
2. a kind of dredge boat power management system according to claim 1, it is characterized in that: described master controller and spare controller are the programmable logic controller that can embed controller software, when master controller damages, spare controller starts automatically.
3. a kind of dredge boat power management system according to claim 1, it is characterized in that: described controller software runs the SIMATIC S7-300 of CPU in the programmable controller \ on S7-400, controller software comprises 1 system main-inlet module and 22 functional modules, system main-inlet module is concurrent processing module, memory-resident, calling system 22 functional modules, 22 functional modules comprise: data conversion module, MIMIC-A module, MIMIC-B module, MIMIC-C module, MIMIC-D module, MIMIC control module, switch control module, power current computing module, power distribution mode judge module, power distribution mode handover module, fault and alarm module, automatic power plant dead electricity recovers module, automatic power plant underloading off-the-line module, automatic power plant overload drops into module, automatic power plant malfunctioning module, heavy-load start power management module, overload power administration module, automatic power plant judge module, unidirectional fan control module, two-way blower fan control module, two pumps are standby control module mutually, three pumps are standby control module mutually.
4. a kind of dredge boat power management system according to claim 1, it is characterized in that: described power operation console comprises computer monitoring terminal and monitoring software, monitoring software operates on the computer based on Windows operating system, and monitoring software comprises automatic power plant condition judgment module, on off state judge module, power computation module, mode switch module, power management module, alarm module.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485591A (en) * | 2020-04-21 | 2020-08-04 | 中交广州航道局有限公司 | Automatic dredging optimization control system of trailing suction hopper dredger |
| CN113031692A (en) * | 2021-03-24 | 2021-06-25 | 广州文冲船厂有限责任公司 | Power management method and system for dredging working condition |
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| CN101005258A (en) * | 2006-09-25 | 2007-07-25 | 湖南文理学院 | Computer control multiple motor variable frequency and speed regulating synchronous method and its central and distributing control system |
| CN101636773A (en) * | 2007-02-15 | 2010-01-27 | 三井造船株式会社 | Marine vessel information processing method and marine vessel information processing device |
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| CN101571991A (en) * | 2009-06-02 | 2009-11-04 | 镇江市亿华系统集成有限公司 | Double Ethernet redundant server-based monitoring and alarming system |
| CN102146691A (en) * | 2011-02-28 | 2011-08-10 | 中交天津航道局有限公司 | Power control system and power adjustment method for drag suction dredger |
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| CN111485591A (en) * | 2020-04-21 | 2020-08-04 | 中交广州航道局有限公司 | Automatic dredging optimization control system of trailing suction hopper dredger |
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