CN204928184U - Marine bank electricity electrical power generating system based on matrix control - Google Patents
Marine bank electricity electrical power generating system based on matrix control Download PDFInfo
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- CN204928184U CN204928184U CN201520662969.5U CN201520662969U CN204928184U CN 204928184 U CN204928184 U CN 204928184U CN 201520662969 U CN201520662969 U CN 201520662969U CN 204928184 U CN204928184 U CN 204928184U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Abstract
The utility model relates to a marine bank electricity electrical power generating system based on matrix control, including power conversion unit, the triggering signal of receive power unit driver realizes opposite bank electricity power input rectification - contravariant control, the power unit driver for the PWM control command that the receiving element controller was forwardded realizes the unified PWM trigger control to power conversion unit, cell controller for the signal conditioning and the control protection action of gathering the signal trigger, and the PWM who transmits central controller instructs to the power unit driver, central controller for realize bank electricity electrical power generating system's system control, through control algorithm, send PWM control command, and send to cell controller through optic fibre, filter, opposite bank electricity power input or output carry out filtering to be handled, satisfies the requirement of bank electricity power to the power supply harmonic. The utility model discloses technical scheme realizes the nimble configuration of bank electricity power capacity, improves the mains operated reliability.
Description
Technical field:
The utility model relates to power supply technical field, more specifically relates to a kind of shore electric power system peculiar to vessel based on matrix majorization.
Background technology:
Along with the fast development of China's economy, Shipping industry development is rapid, the number of times of boats and ships landing pier and time sharp increase.And during spot ship stop, usually use fuel product such as the generating such as heavy oil, diesel oil to meet need for electricity when boats and ships are stopped, huge pollution is caused to harbour environment.In order to effectively solve the environmental problem become increasingly conspicuous, reduce energy resource consumption and the pollutant emission of harbour dock vessels, China harbour progressively uses land shore electric power to meet the need for electricity of the boats and ships that reach port to the ship power supply that reaches port, and achieves certain effect.
Existing land shore electric power generally adopts phase shifting transformer to add " Gao-Gao " supply power mode of power conversion unit and " high-low-high " supply power mode adopting step-down transformer, low pressure and low power converter unit adds step-up transformer.These two kinds of shore electric powers are all transplant from traditional industrial frequency conversion, variable-voltage power supply, and what do not take into full account that China reaches port boats and ships uses electrical characteristics.Now reach port the requirement of boats and ships except power supply system (as frequency meets 50Hz and 60Hz two kinds of requirements, corresponding voltage meets the requirement such as 6.6kV, 6kV or 400V, 450V) outward, because the need for electricity of the boats and ships that reach port is different, the electricity capacity of boats and ships of causing reaching port is widely different, and the reach port need for electricity of boats and ships of the difference of same harbour is different from 1MW to 8MW.And because boats and ships are higher to electricity consumption reliability requirement, ship upper part equipment (as direction finder etc.) can not have a power failure, to avoid damage equipment or to affect the fail safe of marine system.Traditional " Gao-Gao " supply power mode or " high-low-high " supply power mode cannot meet the flexible configuration requirement of shore electric power capacity, or the power supply that selection capacity is larger meets all power supply capacity demands and reduces power supplying efficiency, or the less power supply of selection capacity meets the power demands in particular range.In addition, the power supply reliability of these two kinds of power supplies is not high, the damage of arbitrary power cell, the derate of whole power supply will be caused to use or power delivery termination, the normal operation of the boats and ships that cannot ensure to reach port.
Utility model content:
The purpose of this utility model is to provide a kind of shore electric power system peculiar to vessel based on matrix majorization, realizes the flexible configuration of shore electric power capacity, improves Power supply reliability.
For achieving the above object, the utility model is by the following technical solutions: a kind of shore electric power system peculiar to vessel based on matrix majorization, comprising:
Power conversion unit, the triggering signal of received power unit drive, realizes, to shore electric power input rectifying-inversion control, input power being transformed to the power supply meeting boats and ships demand frequency and electric pressure;
Power cell driver, for the PWM control command that receiving element controller forwards, realizes the unified PWM trigging control to power conversion unit;
Cell controller, for signal condition and the Control protection action triggers of collection signal, and the PWM instruction forwarding central controller is to power cell driver;
Central controller, central controller, for sending PWM control command by optical fiber to described cell controller;
Filter, inputs or outputs shore electric power and carries out filtering process, meets the requirement of shore electric power to power supply harmonic wave.
Described power conversion unit comprises and is connected to commutator unit on same DC bus and inversion subelement; Described commutator unit is direct current for realizing the convert alternating current of input shore electric power; Described inversion subelement is for realizing being meet the alternating current exporting and require by DC power conversion.
Described commutator unit and inversion subelement are the identical three-phase transformation topology structure comprising IGBT being connected to same DC bus, realize the exchange of Rectification and Reverse subelement; According to the cell capability of maximum power supply capacity demand and rectification or inversion subelement, determine described power conversion unit quantity; The input of all described commutator unit is from respective input filter unit, and all inversion subelements export respective output filtering device to.
Described power cell driver one end connects described power conversion unit, and the other end connects described cell controller; The corresponding three phase power converter unit of each analog line driver, and unique number is set as forming of power gating matrix, several analog line drivers form power gating matrix.
Described power cell driver comprises the IGBT drive circuit be connected between described cell controller and power conversion unit.
Described cell controller one end connects described central controller, and the other end connects described power cell driver; The analog line driver of all described commutator unit is connected to a rectification unit controller; The analog line driver of all described inversion units is connected to an inversion unit controller.
Described cell controller comprises the protecting control circuit and signal Acquisition Circuit connected between described central controller and power cell driver; Described signal acquisition circuit gathers electric quantity signal and the non-electric charge quantity signalling of power conversion unit, and nurses one's health signal, and the signal after conditioning is sent to described central controller and protecting control circuit.
Described filter comprises input filter unit and output filtering device;
Described input filter unit one end connects shore electric power input side three-phase alternating current bus, and the other end connects described rectified power subelement, the corresponding described commutator unit of each input filter unit; Described output filtering device one end connects described inverter power subelement, and the other end connects shore electric power outlet side three-phase alternating current bus, the corresponding described inversion subelement of each output filtering device.
With immediate prior art ratio, the utility model provides technical scheme to have following excellent effect
1, technical solutions of the utility model can according to the electricity capacity demand of the boats and ships that reach port, flexible configuration shore electric power capacity, reduces power device switching loss, avoids power supply " low load with strong power " problem;
2, technical solutions of the utility model are under multiple capacity requirement, ensure the power supplying efficiency of power supply;
3, technical solutions of the utility model rectification, inversion unit adopt identical topological structure, and often kind of power cell is for subsequent use each other, by central controller to the selection of power gating matrix, control, improve the reliability of power supply, meanwhile, safeguard change convenient;
4, all power cells of technical solutions of the utility model adopt common bus structure, control, by the easy configuration to central controller and power cell driver, conveniently can realize the dilatation of shore electric power capacity by central controller is unified.
Accompanying drawing explanation
Fig. 1 is a kind of shore electric power system construction drawing peculiar to vessel controlled based on matrixing in the utility model embodiment;
Fig. 2 is that in the utility model embodiment, a kind of shore electric power power peculiar to vessel controlled based on matrixing controls square;
Fig. 3 is a kind of shore electric power control flow chart peculiar to vessel controlled based on matrixing in the utility model embodiment.
Embodiment
Below in conjunction with embodiment, utility model is described in further detail.
Embodiment 1:
The utility model of this example provides a kind of shore electric power system peculiar to vessel based on matrix majorization and control method thereof, described system as shown in Figure 1 and Figure 2, this system comprises power conversion unit, power cell driver, cell controller, central controller and filter; Described power conversion unit is used for the triggering signal of received power unit drive, realizes, to shore electric power input rectifying-inversion control, input power being transformed to the power supply meeting boats and ships demand frequency and electric pressure; Described power cell driver, for the PWM control command that receiving element controller forwards, realizes the unified PWM trigging control to power conversion unit; Described cell controller, for signal condition and the Control protection action triggers of collection signal, and the PWM instruction forwarding central controller is to power cell driver; Described central controller, for realizing the Systematical control of shore electric power system, by control algolithm, sending PWM control command, and being sent to cell controller by optical fiber, described central controller can be flush bonding processor; Described filter, carries out filtering process to shore electric power I/O, meets the requirement of shore electric power to power supply harmonic wave.
Power conversion unit comprises and is connected to commutator unit on same DC bus and inversion subelement.The maximum power supply capacity of power conversion unit quantity basis and power conversion unit unit capacity configure, commutator unit and inversion subelement 1:1 configure, commutator unit is identical with inversion subelement capacity, and the capacity of a commutator unit (or inversion subelement) is as the unit capacity of power conversion unit.As maximum power supply capacity 3000KVA, commutator cell capability 500KVA, inversion list unit capacity is also 500KVA, then power conversion unit unit capacity is 500KVA, need configure 6 rectification units, and inversion unit presses 1:1 configuration, need configure 6 inversion units equally; The commutator unit of described power conversion unit is direct current for realizing the convert alternating current of input shore electric power, and inversion subelement is for realizing being meet the alternating current exporting and require by DC power conversion.Rectification and Reverse subelement adopts IGBT, to reduce harmonic effects.
All power conversion unit are connected on same DC bus, and the input of arbitrary commutator unit is connected to respective input filter circuit, and the output of arbitrary inversion subelement is connected to respective output filter circuit;
All power conversion unit adopt identical three-phase transformation topology structure, realize for subsequent use each other of power conversion unit;
As shown in Figure 2, analog line driver and power conversion unit one_to_one corresponding, each analog line driver arranges unique address, and all power controllers form power gating matrix.The address of the analog line driver that commutator unit is corresponding sets gradually as A
11, A
12... A
1n, the address of the analog line driver that inversion subelement is corresponding sets gradually as A
21, A
22... A
2n, all power controllers form power gating matrix
Analog line driver one end connects power conversion unit, one end linkage unit controller.When analog line driver belongs to the power gating matrix of this control, the PWM that analog line driver receiving element controller forwards controls to export, and control according to control command triggering PWM control or locking PWM, control power and become cell operation, when analog line driver does not belong to the power gating matrix of this control, analog line driver lock-in control exports, and exits control; Described power cell driver comprises the IGBT drive circuit be connected between cell controller and power conversion unit.
The signal acquisition circuit of cell controller gathers the various amount of information of power cell when shore electric power runs, comprise DC bus-bar voltage, electric current, ac output voltage, electric current, the information about power such as frequency and the non electrical quantity information such as power cell temperature, operation cumulative time; Described cell controller comprises the protecting control circuit and signal Acquisition Circuit be connected between central controller and power cell driver;
Cell controller is nursed one's health the information collected, and is transferred to the protective circuit of central controller and cell controller, is protected each power cell by protective circuit;
Cell controller forwards the PWM control command of central controller to analog line driver by optical fiber, is controlled conducting and the closedown of power cell by analog line driver, and meanwhile, protective circuit realizes the protecting control of whole unit according to the sampled signal after conditioning; Each shore electric power comprises two cell controllers, respectively the corresponding analog line driver of each commutator unit and the analog line driver of inversion subelement;
Described cell controller one end is connected to central controller, and one end is connected to power cell driver.
Described central controller comprises shore electric power control circuit and PWM output control circuit; Described central controller is according to outside power output setting and power cell status signal, corresponding power driver and power cell is selected in the power gating matrix be made up of analog line driver, by rectification and inversion algorithm, by the unified pwm control signal that sends of fiber-optic signal to cell controller, realize the unified of shore electric power and control;
Described filter comprises input filter unit and output filtering device;
Described input filter unit one end is connected to shore electric power input side three-phase alternating current bus, and one end is connected to rectified power subelement, the corresponding commutator unit of each input filter unit; Output filtering device one end is connected to inverter power subelement, one end is connected to shore electric power outlet side three-phase alternating current bus, the corresponding inversion subelement of each output filtering device, meets the filtering requirements under 50Hz and 60Hz output condition, meets shore electric power output harmonic wave technical indicator;
Central controller realizes the system-level control to shore electric power, and control flow as shown in Figure 3.
1. when power cell number change (as increase-volume or maintenance), Initialize installation is carried out to power gating matrix.As power supply capacity 3000KVA, power unit capacity 500KVA, configure 12 power cells, power gating matrix 1 is
When capacity increases to 4000KVA, need increase by 4 power cells, inversion subelement and commutator unit respectively increase by 2, and power gating matrix is transformed to power gating matrix 2:
The analog line driver newly increased needs relative set address;
2. receive power supply capacity setting, detect each power cell state, if certain power cell abnormal state, corresponding for this power cell analog line driver is removed power gating matrix, resets power gating matrix;
3. according to each power cell accumulated running time that power supply capacity setting and cell controller gather, the power gating matrix that setting actual participation controls.According to upper example, as this power supply capacity is set as 2000KVA, A
11-A
18accumulated running time is respectively 100h, 120h, 150h, 80h, 110h, 230h, 200h, 180h, A
21-A
28accumulated running time is respectively 130h, 100h, 90h, 90h, 110h, 200h, 90h, 130h.Determine that the commutator element number that this participates in controlling is 4 according to setting capacity and power unit capacity, inversion number sub-cells is 4.In order to improve the system cloud gray model life-span, respectively the power cell driver of the power cell shorter operation accumulated running time is inserted power gating matrix, then this power gating matrix is transformed to power gating matrix 3
4. the power cell driver locking outside this power gating matrix exports;
5. central controller exports pwm control signal to the corresponding power cell driver of power gating matrix according to the program set, and realizes the unified of signal trigger by optical fiber;
6. power cell operation exception is detected in running, as temperature exceedes limit value etc., drop into commutator unit for subsequent use or inversion subelement, the normal power maintaining shore electric power exports, and the power cell driver of abnormal power unit is exited control sequence, locking exports and reports to the police;
7. central controller resets new power gating matrix.
Filter circuit comprises interchange input filter circuit and exchanges output filter circuit, each commutator unit three-phase alternating current input accesses a road respectively and exchanges input filter circuit, the input filter circuit of all commutator unit is connected in parallel to shore electric power respectively and exchanges inlet highway, and each input filter circuit design parameter is consistent; Each inversion subelement three-phase alternating current exports and accesses a road interchange output filter circuit respectively, the output filter circuit of all inversion subelements is connected in parallel to shore electric power respectively and exchanges output bus, each output filter circuit design parameter is consistent, meets 50Hz/60Hz and exchanges output filtering requirement.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; although those of ordinary skill in the field are to be understood that with reference to above-described embodiment: still can modify to embodiment of the present utility model or equivalent replacement; these do not depart from any amendment of the utility model spirit and scope or equivalent replacement, are all applying within the claims of the present utility model awaited the reply.
Claims (8)
1., based on a shore electric power system peculiar to vessel for matrix majorization, it is characterized in that: comprising:
Power conversion unit, the triggering signal of received power unit drive, realizes, to shore electric power input rectifying-inversion control, input power being transformed to the power supply meeting boats and ships demand frequency and electric pressure;
Power cell driver, for the PWM control command that receiving element controller forwards, realizes the unified PWM trigging control to power conversion unit;
Cell controller, for signal condition and the Control protection action triggers of collection signal, and the PWM instruction forwarding central controller is to power cell driver;
Central controller, for sending PWM control command by optical fiber to described cell controller;
Filter, inputs or outputs shore electric power and carries out filtering process, meets the requirement of shore electric power to power supply harmonic wave.
2. a kind of shore electric power system peculiar to vessel based on matrix majorization as claimed in claim 1, is characterized in that: described power conversion unit comprises and is connected to commutator unit on same DC bus and inversion subelement; Described commutator unit is direct current for realizing the convert alternating current of input shore electric power; Described inversion subelement is for realizing being meet the alternating current exporting and require by DC power conversion.
3. a kind of shore electric power system peculiar to vessel based on matrix majorization as claimed in claim 2, it is characterized in that: described commutator unit and inversion subelement are the identical three-phase transformation topology structure comprising IGBT being connected to same DC bus, realize the exchange of Rectification and Reverse subelement; According to the cell capability of maximum power supply capacity demand and commutator unit or inversion subelement, determine described power conversion unit quantity; The input of all described commutator unit is from respective input filter unit, and all inversion subelements export respective output filtering device to.
4. a kind of shore electric power system peculiar to vessel based on matrix majorization as claimed in claim 1, is characterized in that: described power cell driver one end connects described power conversion unit, and the other end connects described cell controller; The corresponding three phase power converter unit of each analog line driver, and unique number is set as forming of power gating matrix, several power cell drivers form power gating matrix.
5. a kind of shore electric power system peculiar to vessel based on matrix majorization as described in claim 1 or 4, is characterized in that: described power cell driver comprises the IGBT drive circuit be connected between described cell controller and power conversion unit.
6. a kind of shore electric power system peculiar to vessel based on matrix majorization as claimed in claim 2, it is characterized in that: described cell controller one end connects described central controller, the other end connects described power cell driver; The analog line driver of all described commutator unit is connected to a rectification unit controller; The analog line driver of all described inversion units is connected to an inversion unit controller.
7. a kind of shore electric power system peculiar to vessel based on matrix majorization as described in claim 1 or 6, is characterized in that: described cell controller comprises the protecting control circuit and signal Acquisition Circuit connected between described central controller and power cell driver; Described signal acquisition circuit gathers electric quantity signal and the non-electric charge quantity signalling of power conversion unit, and nurses one's health signal, and the signal after conditioning is sent to described central controller and protecting control circuit.
8. a kind of shore electric power system peculiar to vessel based on matrix majorization as claimed in claim 2, is characterized in that: described filter comprises input filter unit and output filtering device;
Described input filter unit one end connects shore electric power input side three-phase alternating current bus, and the other end connects described commutator unit, the corresponding described commutator unit of each input filter unit; Described output filtering device one end connects described inversion subelement, and the other end connects shore electric power outlet side three-phase alternating current bus, the corresponding described inversion subelement of each output filtering device.
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| CN201520662969.5U CN204928184U (en) | 2015-08-28 | 2015-08-28 | Marine bank electricity electrical power generating system based on matrix control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487030A (en) * | 2015-08-28 | 2017-03-08 | 国网智能电网研究院 | A kind of shore electric power system peculiar to vessel based on matrix majorization and its control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487030A (en) * | 2015-08-28 | 2017-03-08 | 国网智能电网研究院 | A kind of shore electric power system peculiar to vessel based on matrix majorization and its control method |
| CN106487030B (en) * | 2015-08-28 | 2019-07-26 | 国网智能电网研究院 | A kind of shore electric power system and its control method peculiar to vessel based on matrix majorization |
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Bo Inventor after: Yang Peng Inventor after: Yang Shuo Inventor after: Chen Yujiang Inventor after: Guo Yihui Inventor after: Li Haisheng Inventor after: Jiang Xiaoqing Inventor after: Wang Zhikai Inventor after: Song Huahui Inventor after: Tian Xin Inventor after: Li Shilin Inventor after: Cai Zhiyuan Inventor after: Shi Shanzhe Inventor after: Liu Zongye Inventor after: Zheng Xiaojiang Inventor before: Wang Zhikai Inventor before: Yang Shuo Inventor before: Chen Yujiang Inventor before: Guo Yihui Inventor before: Li Haisheng Inventor before: Jiang Xiaoqing Inventor before: Song Huahui Inventor before: Tian Xin Inventor before: Li Shilin Inventor before: Cai Zhiyuan Inventor before: Shi Shanzhe Inventor before: Liu Zongye Inventor before: Zheng Xiaojiang Inventor before: Yang Peng |
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