CN206218188U - A kind of ship power supply failure self-balancing system - Google Patents
A kind of ship power supply failure self-balancing system Download PDFInfo
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- CN206218188U CN206218188U CN201621189448.3U CN201621189448U CN206218188U CN 206218188 U CN206218188 U CN 206218188U CN 201621189448 U CN201621189448 U CN 201621189448U CN 206218188 U CN206218188 U CN 206218188U
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Abstract
The utility model is specifically related to a kind of ship power supply failure self-balancing system, including master controller and some power managers, the master controller is configured with power control module, fault detection module and power down performing module, and the power control module controls the power output of power manager respectively;When any power manager failure, the fault detection module exports corresponding fault-signal to power down performing module, the power down performing module receives fault-signal and makes the power manager short circuit of correspondence failure, the fault detection module couples the power control module, when the power control module receives fault-signal, power output promotion signal with lifted non-failure power manager power to compensate the power manager power output of failure.
Description
Technical field
The utility model is related to electric control system field, and in particular to a kind of ship power supply failure self-balancing system.
Background technology
The environmental issue of current world community has been the contradiction that national governments extremely pay attention to, along with these problems, section
Can the high-tech environmental protection equipment of emission reduction emerge in an endless stream, bank base ship power supply be since 2012 develop, be used to substitute ship
The high-tech electrical system that diesel oil subsidiary engine generates electricity to power during stop.Whole system is by electrical system on the bank, cable management system
Constituted with electrical system on ship, because development time is short, existing system has problems, wherein when bank base marine power generation system
When there is partial monosomy failure, bank base marine power generation system can be caused integrally to delay machine, cause ship to power off.
Existing bank base power-supply system, in order to meet power redundancy, converter part is generally using increasing power capacity
Mode is realized, or uses unit module redundancy, when a fault has occurred, is shorted out malfunctioning module, but in the wink of short circuit
Between, current transformer is in the state for moment stopping output, for this load of motor, it is allowed to the work of outlet moment unpowered in short-term
Condition, but for ship, loadtype is various, particularly nonlinear load, after instantaneous power failure, will be stopped, from
And ship economic loss is caused, and diesel oil subsidiary engine is restarted due to having to, cause severe air to pollute indirectly.
Utility model content
The purpose of this utility model is, there is provided a kind of ship power supply that failure can be automatically compensated when current transformer failure
Management system, solves above technical problem;
A kind of ship power supply failure self-balancing system, including master controller and some power managers, the main control
Device is configured with power control module, fault detection module and power down performing module, and the power control module controls to supply respectively
The power output of electric manager;When any power manager failure, the fault detection module exports corresponding fault-signal
To power down performing module, the power down performing module receives fault-signal and makes the power manager short circuit of correspondence failure,
Fault detection module couples the power control module, defeated when the power control module receives fault-signal
Have power-up signal with lifted non-failure power manager power to compensate the power manager power output of failure.
By so setting, first, under normal circumstances, when fault detection module detects failure, power down performing module
Power manager short circuit is protected, the design on this basis, by setting up fault detection module and power control module
Annexation, be controlled by the way that fault-signal is sent to power control module, play a preferably control effect, protect
Testimony electrical power stabilization, will not cause under-voltage, it is ensured that all ship equipment working conditions are more normal because of underpower.
Further, the power manager has been arranged in parallel power absorbing circuit, and the power absorption circuit includes one
Energy-storage travelling wave tube, when a power manager is shorted, the power absorption circuit absorbs anti-sink current to energy-storage travelling wave tube.By work(
The setting of rate absorbing circuit, when a power manager occurs abnormal, it may appear that the phenomenon of current flowing backwards, and if do not absorbed
Circuit, then current flowing backwards phenomenon can cause other equipment to receive influence to delay machine, and pass through the setting of energy-storage travelling wave tube, can play
One power absorption effect, and feed back to power network, it is ensured that power absorption.
Further, the ship power supply failure self-balancing system bus and branch road are respectively arranged with power detection module,
The branch road is provided with redundancy determination module, and the redundancy determination module includes current detector and voltage detector, the master
Controller also includes power comparison module, and when the bus power is less than preset value, the comparison module exports thermal compensation signal,
The redundancy determination module judges the redundant state coupling power control module of power manager, when the power control module connects
When receiving thermal compensation signal, power manager power output of the lifting under redundant state.By redundancy determination module and power ratio
Compared with the setting of module, power can be judged in real time, it is ensured that whole power manager is in full power absorbing state, it is ensured that
Using effect.
Further, the master controller also includes upper electric module, passes through between the power manager and master controller
Communication module is communicated, when the power manager of failure sends the power-up request signal for representing and repairing and complete, the upper electricity
Module is worked, and the upper electric module includes adjustment unit and upper electric execution unit, and the adjustment unit is detected and adjusts power supply
The output waveform of manager is extremely consistent with the output waveform of bus, and the upper electric execution unit is coupled and is controlled by adjustment unit,
When the adjustment unit is adjusted to be completed, correspondence power manager is accessed loop by the upper electric execution unit.By upper electric mould
The setting of block, can play one and preferably go up electric effect, while when power manager is completed by maintenance, being sent to electricity
Request signal, and the adjustment module of upper electric inside modules begins to be adjusted its phase and voltage calibration, and calibrate and complete,
Just correspondence power manager can be controlled to access loop by upper electric execution unit.
Further, the power manager is set to current transformer.Current transformer is set to by by power manager, more
It is convenient, it is ensured that service life and effect.
Beneficial effect:Due to using above technical scheme, the utility model is set by such, first, under normal circumstances,
When fault detection module detects failure, power down performing module is protected power manager short circuit, and the design is in this base
On plinth, by setting up the annexation of fault detection module and power control module, sent to power control by by fault-signal
Molding block is controlled, and plays a preferably control effect, it is ensured that output power stabilization, will not cause deficient because of underpower
Pressure, it is ensured that all ship equipment working conditions are more normal.
Brief description of the drawings
Fig. 1 is circuit principle structure schematic diagram.
Reference:100th, master controller;210th, power absorption circuit;200th, power manager;310th, redundancy determination mould
Block;320th, networking interface;330th, power detection module.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as of the present utility model
Limit.
Reference picture 1, a kind of ship power supply failure self-balancing system, including master controller 100 and some power managers
200, the master controller 100 is configured with power control module, fault detection module and power down performing module, the power control
Molding block controls the power output of power manager 200 respectively;When any 200 failure of power manager, the fault detect
Module exports corresponding fault-signal to power down performing module, and the power down performing module receives fault-signal and makes correspondence failure
The short circuit of power manager 200.
Fault detection module couples the power control module, and power control module can select power controller, can be with
By exporting the voltage signal of different amplitudes as the benchmark of Power Control, and fault detection module is existing module, works as confession
During electric manager failure, a fault-signal can be fed back, when the power control module receives fault-signal, power output lifting
Signal with lifted non-failure power manager 200 power to compensate the power output of power manager 200 of failure.The confession
Electric manager 200 could be arranged to current transformer or frequency converter.Current transformer is set to by by power manager 200, is more facilitated,
Ensure that service life and effect.Power control module is available circuit, and being instructed by output power can control frequency conversion
The power output of device or current transformer, is coupled on inverter circuit, does not repeat, and applause detection module is similarly existing master control
The device configured in device processed 100, according to failure output corresponding signal.
The power manager 200 has been arranged in parallel power absorbing circuit 210, and the power absorption circuit 210 includes one
Energy-storage travelling wave tube, when a power manager 200 is shorted, the power absorption circuit 210 absorbs anti-sink current to energy-storage travelling wave tube.
By the setting of power absorption circuit 210, when a power manager 200 occurs abnormal, it may appear that the phenomenon of current flowing backwards, and
If without absorbing circuit, then current flowing backwards phenomenon can cause other equipment to receive influence to delay machine, and pass through energy-storage travelling wave tube
Set, a power absorption effect can be played, and feed back to power network, it is ensured that power absorption.Energy against feedback function, in unsteady flow
The moment of device monomer failure, ship side meeting opposite bank reference power supply system forms energy and pours in down a chimney, if not possessing inverse feedback function, is
System can overvoltage delay machine, or even damage inverter component;The function effectively can send energy back back to power network, so as to ensure
The continuous service of bank base power-supply system, and can real-time save energy;Power absorption circuit 210 can be that routed electricity circuit can be designed
In power network, it is also possible to which design is not repeated in the circuit of power manager 200.
The ship power supply failure self-balancing system bus and branch road are respectively arranged with power detection module 330, the branch
Road is provided with redundancy determination module 310, and the redundancy determination module 310 includes current detector and voltage detector, the master
Controller 100 also includes power comparison module, when the bus power is less than preset value, the comparison module output compensation letter
Number, the redundancy determination module 310 judges the redundant state coupling power control module of power manager 200, when the power
When control module receives thermal compensation signal, power manager 200 power output of the lifting under redundant state.By redundancy determination
The setting of module 310 and power comparison module, can judge power in real time, it is ensured that whole power manager 200 is in
Full power absorbing state, it is ensured that using effect.Power output detects the output work of regulation technology, the total bus of detection output and branch road
Rate, output voltage, output current, and be compared;According to result of the comparison, the output work of redundancy monomer current transformer is lifted in real time
Rate, so as to supplement the power loss of failure monomer, it is ensured that the full power output of bank base power-supply system;The He of redundancy determination module 310
Power control module is set according to the actual requirements, and the formula of redundancy determination module 310 is adopted by the design voltage electric current on each branch road
Sample, and real output is analyzed, the power detection module 330 on contrast bus is exported.
The master controller 100 also includes upper electric module, passes through between the power manager 200 and master controller 100
Communication module is communicated, when failure power manager 200 send represent repair complete power-up request signal when, it is described on
Electric module work, the upper electric module includes adjustment unit and upper electric execution unit, and the adjustment unit is detected and adjusts confession
The output waveform of electric manager 200 is extremely consistent with the output waveform of bus, and the upper electric execution unit is coupled and is controlled by regulation
Unit, when the adjustment unit is adjusted to be completed, correspondence power manager 200 is accessed loop by the upper electric execution unit.It is logical
The setting of electric module is crossed, one can be played and preferably gone up electric effect, while when power manager 200 is completed by maintenance
When, power-up request signal is sent to, and the adjustment module of upper electric inside modules begins to be adjusted school to its phase and voltage
Standard, and calibrate and complete, it is possible to control correspondence power manager 200 to access loop by upper electric execution unit.Monomer current transformer
Synchronous interconnection technology, after trouble unit reparation, the master control system of bank base power supply is actively logical with monomer converter control system
Instruction is repaired in news, detection, confirms the reparation state of monomer frequency converter, and after validation, by monomer current transformer with hot standby machine state
Draw in system, monomer current transformer automatic detection bus output voltage, phase, after regulation is consistent, in power output to bus, so that
Complete synchronous grid-connected, and upper electricity is similar with the control logic of power down, can also be by mechanically electric by noncontacting switch
Control switch realizes that the access of networking picks out control, is shown with networking interface 320 in figure, readily appreciates.The foregoing is only this reality
New preferred embodiment is used, implementation method of the present utility model and protection domain is not thereby limited, for art technology
For personnel, should can appreciate that all utilization the utility model specifications and the equivalent done by diagramatic content and it is aobvious and
Scheme obtained by the change being clear to, should be included in protection domain of the present utility model.
Claims (5)
1. a kind of ship power supply failure self-balancing system, including master controller and some power managers, the master controller
Power control module, fault detection module and power down performing module are configured with, the power control module controls power supply respectively
The power output of manager;When any power manager failure, the fault detection module exports corresponding fault-signal extremely
Power down performing module, the power down performing module receives fault-signal and makes the power manager short circuit of correspondence failure, its feature
It is,
The fault detection module couples the power control module, defeated when the power control module receives fault-signal
Have power-up signal with lifted non-failure power manager power to compensate the power manager power output of failure.
2. a kind of ship power supply failure self-balancing system according to claim 1, it is characterised in that the power manager
Power absorbing circuit is arranged in parallel, the power absorption circuit includes an energy-storage travelling wave tube, when a power manager is shorted,
The power absorption circuit absorbs anti-sink current to energy-storage travelling wave tube.
3. a kind of ship power supply failure self-balancing system according to claim 1, it is characterised in that the ship power supply therefore
Barrier self-balancing system bus and branch road are respectively arranged with power detection module, and the branch road is provided with redundancy determination module, described
Redundancy determination module includes current detector and voltage detector, and the master controller also includes power comparison module, when described
When bus power is less than preset value, the comparison module exports thermal compensation signal, and the redundancy determination module judges power manager
Redundant state coupling power control module, when the power control module receive thermal compensation signal when, lifting be in redundant state
Under power manager power output.
4. a kind of ship power supply failure self-balancing system according to claim 1, it is characterised in that the master controller is also
Including upper electric module, communicated by communication module between the power manager and master controller, when the power supply pipe of failure
When reason device sends the power-up request signal for representing and repairing and complete, the upper electric module work, the upper electric module includes that regulation is single
First and upper electric execution unit, the adjustment unit is detected and adjusts the output waveform of power manager to the output wave with bus
Shape is consistent, and the upper electric execution unit is coupled and is controlled by adjustment unit, when the adjustment unit is adjusted to be completed, the upper electricity
Correspondence power manager is accessed loop by execution unit.
5. a kind of ship power supply failure self-balancing system according to claim 1, it is characterised in that the power manager
It is set to current transformer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621189448.3U CN206218188U (en) | 2016-10-28 | 2016-10-28 | A kind of ship power supply failure self-balancing system |
Applications Claiming Priority (1)
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CN201621189448.3U CN206218188U (en) | 2016-10-28 | 2016-10-28 | A kind of ship power supply failure self-balancing system |
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Publication Number | Publication Date |
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CN206218188U true CN206218188U (en) | 2017-06-06 |
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ID=58791892
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CN201621189448.3U Withdrawn - After Issue CN206218188U (en) | 2016-10-28 | 2016-10-28 | A kind of ship power supply failure self-balancing system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106672193A (en) * | 2016-10-28 | 2017-05-17 | 上海电气富士电机电气技术有限公司 | Self-balancing system and method for ship power supply failures |
-
2016
- 2016-10-28 CN CN201621189448.3U patent/CN206218188U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106672193A (en) * | 2016-10-28 | 2017-05-17 | 上海电气富士电机电气技术有限公司 | Self-balancing system and method for ship power supply failures |
CN106672193B (en) * | 2016-10-28 | 2018-11-13 | 上海电气富士电机电气技术有限公司 | A kind of ship power supply failure self-balancing system and its method |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170606 Effective date of abandoning: 20181113 |