CN203119479U - Shore-based power supplying system - Google Patents
Shore-based power supplying system Download PDFInfo
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- CN203119479U CN203119479U CN 201320068989 CN201320068989U CN203119479U CN 203119479 U CN203119479 U CN 203119479U CN 201320068989 CN201320068989 CN 201320068989 CN 201320068989 U CN201320068989 U CN 201320068989U CN 203119479 U CN203119479 U CN 203119479U
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Abstract
The utility model provides a shore-based power supplying system which comprises a high-voltage wire entering cabinet, a wire entering transformer, a frequency conversion power supply wire entering cabinet, a frequency conversion power supply, a frequency conversion power supply wire exiting cabinet, a wire exiting transformer, a high-voltage wire exiting cabinet and a leading edge electricity connection box. A wire entering end of the high-voltage wire entering cabinet is in electric connection with a shore-side power grid. The high-voltage wire entering cabinet, the wire entering transformer, the frequency conversion power supply wire entering cabinet, the frequency conversion power supply, the frequency conversion power supply wire exiting cabinet, the wire exiting transformer, the high-voltage wire exiting cabinet and the leading edge electricity connection box are sequentially connected in an electric mode. A wire exiting end of the leading edge electricity connection box is in electric connection with a boat power grid. The frequency conversion power supply is used for converting 50HZ grid frequency into an adjustable frequency from 0 HZ to 60 HZ and comprises multiple frequency conversion unit circuits. Each frequency conversion unit circuit comprises an alternating current (AC)-direct current (DC) rectifier bridge circuit and a DC-AC inverter bridge circuit, wherein the AC-DC rectifier bridge circuit is in series linkage with the DC-AC inverter bridge circuit. The multiple frequency conversion unit circuits are linked in parallel and redundant to each other. The shore-based power supplying system can effectively reduce black-out possibilities.
Description
Technical field
The utility model relates to the shore-based power supply technical field, especially relates to a kind of shore-based power supply system.
Background technology
Most of boats and ships adopt the fuel electric generator groups as power source, boats and ships reach port berth after, the auxiliary fuel generator remains in operation on the ship, continues as the power supply of boats and ships load.And fuel oil can produce more pernicious gas and burning particles thing in its conversion process of energy, and these emissions can pollute environment, influence air quality and produce a large amount of noises.
Therefore, for providing electric power to boats and ships, the harbour need arrange bank base power supply-distribution system.And existing harbour bank base power supply-distribution system generally comprises: high pressure incoming line cabinet, tandem structure variable frequency power supply, key player on a team's wave filter, high-voltage terminal cabinet and power-on box.And during cell failure of tandem structure variable frequency power supply, system must shutdown maintenance, causes power failure.
In sum, shore-based power supply of the prior art system exists a cell failure of frequency converter will cause the technical problem of power failure.
The utility model content
The utility model proposes a kind of shore-based power supply system, reduce the probability that causes power failure owing to the converter unit fault.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of shore-based power supply system, comprises high pressure incoming line cabinet, inlet wire transformer, variable frequency power supply incoming line cabinet, variable frequency power supply, variable frequency power supply outlet cabinet, goes out line transformer, high-voltage terminal cabinet and forward position power-on box; The end of incoming cables of described high pressure incoming line cabinet and bank side power supply grid electrically connect; Described high pressure incoming line cabinet, described inlet wire transformer, described variable frequency power supply incoming line cabinet, affiliated variable frequency power supply, described variable frequency power supply outlet cabinet, describedly go out line transformer, described high-voltage terminal cabinet and described forward position power-on box and electrically connect successively; The leading-out terminal of described forward position power-on box and network of ship electrically connect; Described variable frequency power supply, be used for the mains frequency of 50HZ is converted to 0 to 60HZ adjustable frequency, comprise multichannel converter unit circuit, each converter unit circuit comprises AC-DC rectifier circuit and the DC-AC inverter bridge circuit that is connected in series, and multichannel converter unit circuit is arranged in parallel and is redundant each other.
Wherein, described AC-DC rectifier circuit and described DC-AC rectifier circuit are the IGBT rectifier circuit.
Wherein, be connected with contactor between described variable frequency power supply incoming line cabinet and described multichannel converter unit circuit, described contactor is controlled the break-make of each converter unit circuit under the control of described computer supervisory control system.
Wherein, also comprise computer supervisory control system, described computer supervisory control system comprises switch, human-computer interface system and logic control system;
Described human-computer interface system be used for to receive user's operational order and shows the operation information of described shore-based power supply system;
Described human-computer interface system electrically connects by described switch and described logic control system.
Wherein, also comprise the auto-parallel circuit;
Described auto-parallel circuit is integrated in the described variable frequency power supply, is used for finishing under the control of described computer supervisory control system the auto-parallel of shore-based power supply system and ship power supply system.
Wherein, described human-computer interface system comprises two supervisory control comuters; Two described supervisory control comuters are redundant mutually.
Wherein, described computer supervisory control system also comprises bank telecommunications breath management system, is used for storage and the data sharing of the historical data of shore-based power supply system, electrically connects with described switch;
Described bank telecommunications breath management system comprises printer and mutual redundant two-server.
Wherein, comprise that also described closed-circuit TV system is connected with described switch for the closed-circuit TV system that described shore-based power supply system is carried out video monitoring;
Described closed-circuit TV system comprises camera, sends optical transceiver, accepts optical transceiver, video distributor, DVR, video matrix and display screen; Described camera, described transmission optical transceiver, describedly accept optical transceiver and described video distributor connects successively; Described DVR and described video matrix all are connected with described video distributor; Described display screen is connected with described video matrix.
Wherein, described logic control system is control device able to programme.
Wherein, also comprise protection system, described protection system comprises under-voltage protection device, short-circuit protection, overload protection arrangement, over-pressure safety device, overcurrent protective device, earth protective device and the phase-lacking protective device of redundancy protecting, equipment self.
As seen, the utility model has following beneficial effect at least:
A kind of shore-based power supply of the present utility model system comprises high pressure incoming line cabinet, inlet wire transformer, variable frequency power supply incoming line cabinet, variable frequency power supply, variable frequency power supply outlet cabinet, goes out line transformer, high-voltage terminal cabinet and forward position power-on box; Described variable frequency power supply, comprise multichannel converter unit circuit, each converter unit circuit comprises AC-DC rectifier circuit and the DC-AC inverter bridge circuit that is connected in series, multichannel converter unit circuit is arranged in parallel and is redundant each other, like this, when a converter unit circuit can't be worked owing to fault, then automatically with its excision, other converter unit continues power supply, can not cause the power failure of whole system;
Further, described converter unit circuit is the IGBT rectifier circuit, and IGBT can realize active rectification, and can guarantee that net side power factor is 1;
Further, shore-based power supply of the present utility model system also is provided with the auto-parallel circuit, can realize the auto-parallel of bank side electric power system and ship power supply system when boats and ships insert the bank electricity;
Further, shore-based power supply of the present utility model system also is provided with computer supervisory control system and safety system, and opposite bank base electric power system is carried out data management and monitoring, and the normal operation of protection equipment.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the electric single line schematic diagram of an embodiment of shore-based power supply of the present utility model system;
Fig. 2 is the module diagram of an embodiment of variable frequency power supply of the present utility model;
Fig. 3 is the schematic diagram of AC-DC rectifier circuit;
Fig. 4 is the schematic diagram of DC-AC inverter bridge circuit;
Fig. 5 is the module diagram of auto-parallel circuit;
Fig. 6 is the structural representation of an embodiment of shore-based power supply of the present utility model system.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of shore-based power supply system, referring to shown in Figure 1, comprise high pressure incoming line cabinet 1, inlet wire transformer 2, variable frequency power supply incoming line cabinet 3, variable frequency power supply 4, variable frequency power supply outlet cabinet 5, go out line transformer 6, high-voltage terminal cabinet 7 and forward position power-on box 8.
The end of incoming cables of described high pressure incoming line cabinet 1 and bank side power supply grid electrically connect; Described high pressure incoming line cabinet 1, described inlet wire transformer 2, described variable frequency power supply incoming line cabinet 3, described variable frequency power supply 4, described variable frequency power supply outlet cabinet 5, describedly go out line transformer 6, described high-voltage terminal cabinet 7 and described forward position power-on box 8 and electrically connect successively and all electrically connect with described computer supervisory control system; The leading-out terminal of described forward position power-on box 8 and network of ship electrically connect.
Described end of incoming cables is that the direction from the bank effluent to the boats and ships side is benchmark with electric energy, and an end of close bank side is the end of incoming cables, and an end of close boats and ships side is leading-out terminal.
Power supply grid inserts high pressure incoming line cabinet 1, is connected to inlet wire transformer 2 by cable; Inlet wire transformer 2 is adjusted to the primary voltage that is complementary with variable frequency power supply 4 with voltage, is connected with variable frequency power supply incoming line cabinet 3 by cable; The power supply break-make control of 3 pairs of variable frequency power supplys 4 of variable frequency power supply incoming line cabinet plays a protective role to inlet wire transformer 2, is connected with variable frequency power supply 4 inlet wire sides by cable; Variable frequency power supply 4 is adjusted into the frequency consistent with the boats and ships of powering with mains frequency, adjust power output according to instruction, automatically realize being incorporated into the power networks transferring load, protection is stopped power supply when exceeding the load threshold values, and variable frequency power supply 4 outlet sides are connected to variable frequency power supply outlet cabinet 5 by cable; Switching control is carried out in the output of 5 pairs of variable frequency power supplys 4 of variable frequency power supply outlet cabinet, play a protective role to going out line transformer 6, by cable with go out line transformer 6 and be connected; Go out line transformer 6 variable frequency power supply 4 outlet voltages are adjusted into the voltage that is complementary with boats and ships, and play electric buffer action with ship equipment, be connected to high-voltage terminal cabinet 7 by cable; The terminal break-make of high-voltage terminal cabinet 7 control bank electricity, the power load of metering boats and ships, overload protective function is played in electricity consumption to boats and ships, is connected to forward position power-on box 8 by cable; Forward position power-on box 8 is unique jockeys of bank side electrical network and network of ship, and the configuration quick plugging/unplugging device is convenient to quick connection and the disconnection of bank electricity.
Described variable frequency power supply 4, be used for the mains frequency of 50HZ is converted to 0 to 60HZ adjustable frequency, comprise multichannel converter unit circuit, referring to shown in Figure 2, each converter unit circuit comprises AC-DC rectifier circuit and the DC-AC inverter bridge circuit that is connected in series, and multichannel converter unit circuit is arranged in parallel and is redundant each other.
Preferably, described multichannel converter unit circuit backup Redundancy each other.
Preferably, in the utility model embodiment, described AC-DC rectifier circuit and described DC-AC inverter bridge circuit all adopt the IGBT device.
Wherein, described AC-DC rectifier circuit is referring to shown in Figure 3, and DC-AC inverter bridge circuit is referring to shown in Figure 4.
Tandem structure variable frequency power supply of the prior art 4 adopts diode rectifications, to harmonic pollution in electric power net more greatly and only can unidirectional rectification.And the IGBT device can be realized the bidirectional active rectification, and net side power factor can reach 1, and electrical network is not had reactive loss.
Preferably, be connected with contactor between described variable frequency power supply incoming line cabinet 3 and described multichannel converter unit circuit, described contactor is controlled the break-make of each converter unit circuit under the control of described variable frequency power supply 4 master control borads.
Tandem structure variable frequency power supply 4 built-in step-down transformer secondary of the prior art have 18 windings, and structure is comparatively complicated, the failure rate height, and cost height, and during tandem structure variable frequency power supply 4 certain cell failure, system must shutdown maintenance, causes power failure.And electric power system of the present utility model, owing to adopt the converter unit parallel-connection structure, and be redundant mutually between each converter unit circuit, when a certain like this road converter unit circuit breaks down, then variable frequency power supply 4 master control borads can excise it, other converter units continue power supply, can not cause system's power failure.
In addition, distribution system of the prior art does not dispose outlet side isolating transformer, can't effectively prevent the short trouble of load-side, does not meet the bank electric standard.And inlet wire transformer of the present utility model 2 and go out line transformer 6 opposite banks base power supply grid and network of ship all has buffer action can effectively prevent the damage of the short trouble opposite bank electricity equipment of bank side and load-side.
Preferably, described logic control system is FPGA (Field Programmable Gate Array) control (Programmable Logic Controller is called for short PLC) system.
In the utility model embodiment, this system also comprises the auto-parallel circuit, referring to shown in Figure 5.
Described auto-parallel circuit is integrated in the described variable frequency power supply 4, is used for finishing under the control of described computer supervisory control system 9 auto-parallel of shore-based power supply system and ship power supply system.
This auto-parallel circuit, comprise the main control module and the synchronizing voltage checkout gear that electrically connect with the converter unit of variable frequency power supply 4, the U of the DC-AC inverter circuit of converter unit, V, the output of W three-phase is connected with output contactor input, output contactor output is connected with the network of ship bus, the L1 of synchronizing voltage checkout gear, L2, L3 three-phase detection input signal is connected with generator contactor input, the output of generator contactor is connected with the bus of network of ship, and the generator contactor is subjected to the control of main control module to select the two one of them closure to be connected with the network of ship bus when synchronous condition possesses with the output contactor.
In inserting the bank electric process, control the leading-out terminal that the bank electric switch causes shipboard voltage on bank side variable frequency power supply 4 low pressure output switch step by step, whether the parallel network circuit that is arranged on variable frequency power supply 4 inside will detect the voltage of low pressure output switch upper and lower side automatically synchronous, if asynchronously will adjust variable frequency power supply 4 output automatically and synchronize them, synchronizing moment control switch closure is finished auto-parallel.After the auto-parallel success, control variable frequency power supply 4 increasing outputs automatically and realize that ship bear idling moves to bank side power supply.
The shore-based power supply system need connect into a total system with the ship shore electric system just can finish shore-based power supply to boats and ships.Therefore the communication and the interlocked control that need bank side, shipboard also need to have proposed the inevitable requirement of configuration control system with regard to opposite bank base electric power system.Simultaneously, as an industrial electric power system, for satisfying the requirement of system automation operation, operation, also must need to dispose corresponding computer supervisory control system.
Do not dispose computer supervisory control system in the prior art, so this shore-based power supply system configuration there is computer supervisory control system.Referring to shown in Figure 6.
This computer supervisory control system comprises: human-computer interface system 11, bank telecommunications breath management system 13, closed-circuit TV system 10, ship bank data communication system and metering system etc. all are connected with PLC control system 14.
Described human-computer interface system 11 be used for to receive user's operational order and shows the operation information of described shore-based power supply system; Described human-computer interface system 11 electrically connects by described switch 12 and described PLC control system 14.
Described human-computer interface system 11 comprises two supervisory control comuters; Two described supervisory control comuters are redundant mutually.
Wherein, human-computer interface system 11 is used for that the personnel of shore-based power supply system are mutual, and operating personnel can monitor operating state, the fault alarm of bank electric system at computer interface, easily the opposite bank electric system operate, parameter setting, report printing etc.An operator station, an engineer station are set, the system loading monitoring software.
Described bank telecommunications breath management system 13 is used for storage and the data sharing of the historical data of shore-based power supply system, electrically connects with described switch 12; Described bank telecommunications breath management system 13 comprises printer and mutual redundant two-server.
Described closed-circuit TV system 10 is used for described shore-based power supply system is carried out video monitor, and described closed-circuit TV system 10 is connected with described switch 12.In wharf apron and bank electricity transformer station, industrial tv monitoring system is set, is used between operating personnel's surveillance equipment and the actual conditions of wharf apron, to field condition effect more direct, more true to nature can be arranged.This system's picture can teletransmission harbor district Surveillance center.
Described closed-circuit TV system 10 comprises camera, sends optical transceiver, accepts optical transceiver, video distributor, DVR, video matrix and display screen; Described camera, described transmission optical transceiver, describedly accept optical transceiver and described video distributor connects successively; Described DVR and described video matrix all are connected with described video distributor; Described display screen is connected with described video matrix.
Logic control system, adopting the PLC logic controller is critical piece, because bank base power supply-distribution system equipment is many, require to have certain logical relation each other, adopt the PLC system to carry out programming in logic control, can make the bank electric system realize automation control and management, can satisfy on-the-spot unattended operation.Simultaneously can carry out communication with ship shore electric PLC easily, communication process is finished by wireless communication apparatus 9, realizes bank, ship data sharing.
This computer supervisory control system also comprises ship bank data communication system.After boats and ships pull in to shore, the bank side need be known the corresponding power supply parameter of boats and ships, could export the electricity system that is complementary with it, the ship equipment operating state also needs to inform the bank side when system moves, so this bank electric system adopts optical fiber communication network to realize the communication of bank, ship, and the two ends of network are bank side, shipboard PLC, PLC gathers bank side, shipboard bank electricity device data, transmit mutually by fiber optic network, make bank, ship become as a whole, thereby guarantee shore-based power supply system safety, operation efficiently.
This computer supervisory control system also comprises metering system.Because the shore-based power supply system is for bank side direction boats and ships supplies electric power, so the electricity charge need be collected to the ship in the harbour, so this shore-based power supply system configuration electric power metering system.Inlet wire high-voltage board and high pressure that electric power metering system is arranged at the bank electric system occur cashier's office in a shop.
Carry because the shore-based power supply system is the electric power during reaching port for boats and ships, reliability requirement is higher, in case and system's fault in service causes and stops power supply, he will causes boats and ships to have a strong impact on.Therefore this shore-based power supply system has considered corresponding safeguard measure, mainly comprises: apparatus body protection system, system redundancy protection system, interlocking of signals protection system, operational procedure protection system.
Wherein, in this shore-based power supply system; the apparatus body protection system is set; namely all have under-voltage protection device, short-circuit protection, overload protection arrangement, over-pressure safety device, overcurrent protective device, earth protective device and phase-lacking protective device into and out of line high and low pressure cabinet, have functions such as the overvoltage of preventing, under-voltage, overcurrent, overload, phase shortage, short circuit, ground connection.Variable frequency power supply 4 has following defencive function: overvoltage, under-voltage, overcurrent, excess temperature, lacuna, short circuit, ground connection; Has the overheat protector function into and out of line transformer.
The system redundancy protection system also is set; the protection of variable frequency power supply 4 fault redundances, the protection of PLC dual-computer redundancy, network redundancy protection, server redundancy protection, man-computer interface redundancy protecting; above redundancy protecting can automatically switch to guest machine when operation machine fault, thereby the assurance system continues operation.
The interlocking of signals protection system is provided with the safety condition interlock protection between each equipment, system just can not put into operation when certain equipment does not possess service conditions.Comprise: turnover line high-voltage board interlocking signal, turnover line low-voltage cabinet interlocking signal, variable frequency power supply 4 interlocking signals, forward position plug-in case handgrip switch interlock signal, bank side high-voltage terminal cabinet 7 and shipboard high pressure incoming line cabinet interlocking signal, variable frequency power supply 4 and bank side high-voltage terminal cabinet 7 interlocking signals, the interlocking signal that stops in emergency, manual interlocking signal, bank behaviour/ship behaviour interlocking signal, the normal interlocking signal of communication, the normal interlocking signal of cable, environmental condition (temperature, humidity) interlocking signal.
The operational procedure protection system: this shore-based power supply system causes fault for preventing artificial incorrect operation, is provided with bank electricity operational procedure, and operating personnel must operate the bank electricity in strict accordance with operational procedure, otherwise system will not carry out.
Preferably, the output loop in the configurable a plurality of berths of bank electric system can independently or provide shore-based power supply to one or more berths simultaneously, and each berth can require the electricity system of the corresponding coupling of output according to boats and ships electricity system.And according to the boats and ships communication signal, set bank electric system protection threshold values.
The utility model adopts technique scheme, can reach following technique effect: shore electric power equipment falls when having fault to hold and continues to use the function of uninterrupted power supply; During load variations, output voltage voltage stabilizing rate＜2.5%.Voltage jump returns to rated output voltage time＜0.1 second; The total percent harmonic distortion THD of output voltage＜4% variable frequency power supply, 4 device IGBT controlled rectification bridges, net side power factor can be 1; Has single-phase output function of supplying power; Built-in parallel network circuit can be realized bank side, the two-way transferring load that is incorporated into the power networks of shipboard; Defencive function is complete: have apparatus body protection system, system redundancy protection system, interlocking of signals protection system, operational procedure protection system; And provide function of measuring: can show and metering parameters such as the frequency of out-put supply, three-phase voltage mean value, three-phase current mean value, triple line (phase) voltage, triple line electric current, tri-phase unbalance factor, active power, reactive power, power factor (PF)s, has system for managing intelligent information, the historgraphic data recording function; Have man-computer interface, be convenient to operation and control, have industrial tv monitoring system, in good time on-site supervision.
The utility model turnover line transformer 6 adopts common power transformer, simple in structure, cheap, should safeguard that variable frequency power supply 4 adopts low pressure parallel redundancy structures, can excise trouble unit automatically when having reliability height, fault, system can not cut off the power supply, and can continue to fall to hold and use; Variable frequency power supply 4 adopts controlled four to limit rectification mutually, can guarantee that inlet wire side power factor is 1, and is pollution-free to electrical network; System configuration outlet isolating transformer except playing the effect of regulation voltage, can also play the effect that electricity is isolated, and can protect system when short circuit appears in load-side.Simultaneously can realize synchronous switching, carry out the technological requirement of auto-parallel transferring load at shore-based power supply system requirements and network of ship, the art of this patent system is built-in synchronous parallel network circuit, after receiving the instruction of being incorporated into the power networks, system is incorporated into the power networks being no more than can finish automatically in time of 5 seconds, realizes that load shifts.Disposed computer supervisory control system, can realize the management of system automation operation and information digitalization, operating personnel can monitor and control in the control room total system; Can directly the fault point be shown on the computer interface during system failure, make things convenient for inquiry and the processing of fault, improve maintenance efficiency; System's service data can record storage, and data can be shared by far-end.The configuration Integrated Protection System can be guaranteed system safety operation, prevents that the people from being fault and the personal injury that misoperation causes.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a shore-based power supply system is characterized in that, comprises high pressure incoming line cabinet, inlet wire transformer, variable frequency power supply incoming line cabinet, variable frequency power supply, variable frequency power supply outlet cabinet, goes out line transformer, high-voltage terminal cabinet and forward position power-on box;
The end of incoming cables of described high pressure incoming line cabinet and bank side power supply grid electrically connect;
Described high pressure incoming line cabinet, described inlet wire transformer, described variable frequency power supply incoming line cabinet, affiliated variable frequency power supply, described variable frequency power supply outlet cabinet, describedly go out line transformer, described high-voltage terminal cabinet and described forward position power-on box and electrically connect successively;
The leading-out terminal of described forward position power-on box and network of ship electrically connect;
Described variable frequency power supply, be used for the mains frequency of 50HZ is converted to 0 to 60HZ adjustable frequency, comprise multichannel converter unit circuit, each converter unit circuit comprises AC-DC rectifier circuit and the DC-AC inverter bridge circuit that is connected in series, and multichannel converter unit circuit is arranged in parallel and is redundant each other.
2. shore-based power supply according to claim 1 system is characterized in that described AC-DC rectifier circuit and described DC-AC rectifier circuit are the IGBT rectifier circuit.
3. shore-based power supply according to claim 1 system, it is characterized in that, be connected with contactor between described variable frequency power supply incoming line cabinet and described multichannel converter unit circuit, described contactor is controlled the break-make of each converter unit circuit under the control of described computer supervisory control system.
4. shore-based power supply according to claim 1 system is characterized in that also comprise computer supervisory control system, described computer supervisory control system comprises switch, human-computer interface system and logic control system;
Described human-computer interface system be used for to receive user's operational order and shows the operation information of described shore-based power supply system;
Described human-computer interface system electrically connects by described switch and described logic control system.
5. shore-based power supply according to claim 4 system is characterized in that, also comprises the auto-parallel circuit;
Described auto-parallel circuit is integrated in the described variable frequency power supply, is used for finishing under the control of described computer supervisory control system the auto-parallel of shore-based power supply system and ship power supply system.
6. shore-based power supply according to claim 4 system is characterized in that described human-computer interface system comprises two supervisory control comuters; Two described supervisory control comuters are redundant mutually.
7. shore-based power supply according to claim 4 system is characterized in that, described computer supervisory control system also comprises bank telecommunications breath management system, is used for storage and the data sharing of the historical data of shore-based power supply system, electrically connects with described switch;
Described bank telecommunications breath management system comprises printer and mutual redundant two-server.
8. shore-based power supply according to claim 5 system is characterized in that, comprises that also described closed-circuit TV system is connected with described switch for the closed-circuit TV system that described shore-based power supply system is carried out video monitoring;
Described closed-circuit TV system comprises camera, sends optical transceiver, accepts optical transceiver, video distributor, DVR, video matrix and display screen; Described camera, described transmission optical transceiver, describedly accept optical transceiver and described video distributor connects successively; Described DVR and described video matrix all are connected with described video distributor; Described display screen is connected with described video matrix.
9. according to each described shore-based power supply system of claim 4-8, it is characterized in that described logic control system is control device able to programme.
10. shore-based power supply according to claim 1 system; it is characterized in that; also comprise protection system; described protection system comprises under-voltage protection device, short-circuit protection, overload protection arrangement, over-pressure safety device, overcurrent protective device, earth protective device and the phase-lacking protective device of redundancy protecting, equipment self.
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| CN 201320068989 CN203119479U (en) | 2013-02-05 | 2013-02-05 | Shore-based power supplying system |
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| CN 201320068989 CN203119479U (en) | 2013-02-05 | 2013-02-05 | Shore-based power supplying system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107537A (en) * | 2013-02-05 | 2013-05-15 | 张建伟 | Shore-based power supplying system |
| CN105322513A (en) * | 2014-08-01 | 2016-02-10 | 施耐德电器工业公司 | Safety system for the electrical connection of electrical equipment to a power supply apparatus, and electrical installation |
| CN106026046A (en) * | 2016-07-11 | 2016-10-12 | 江苏奥畋工程科技有限公司 | Shipborne shore power safety system based on visual Internet of Things and shipborne shore power compensation method |
| CN107134781A (en) * | 2016-02-29 | 2017-09-05 | 上海港蓝环保科技有限公司 | A kind of high pressure constant frequency pressure regulating regulated power supply system |
| CN107134782A (en) * | 2016-02-29 | 2017-09-05 | 上海港蓝环保科技有限公司 | A kind of high pressure constant frequency pressure regulating regulated power supply system provided with intelligence control system |
| CN107276112A (en) * | 2016-04-07 | 2017-10-20 | 富士电机株式会社 | Ship power-supply system and the method to ship power supply on the bank |
| CN107979181A (en) * | 2017-12-21 | 2018-05-01 | 国网上海市电力公司 | A kind of harbour bank electricity monitoring system |
| CN112787565A (en) * | 2019-11-06 | 2021-05-11 | 开利公司 | Redundant power supply for HVAC systems including refrigerant leak mitigation |
| EP3944447A4 (en) * | 2019-03-20 | 2023-01-25 | Nr Electric Co., Ltd. | Flexible access substation and control method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107537A (en) * | 2013-02-05 | 2013-05-15 | 张建伟 | Shore-based power supplying system |
| CN103107537B (en) * | 2013-02-05 | 2015-04-01 | 张建伟 | Shore-based power supplying system |
| CN105322513A (en) * | 2014-08-01 | 2016-02-10 | 施耐德电器工业公司 | Safety system for the electrical connection of electrical equipment to a power supply apparatus, and electrical installation |
| CN105322513B (en) * | 2014-08-01 | 2019-02-12 | 施耐德电器工业公司 | Electrical equipment is electrically connected to the security system and electric device of electric power supply apparatus |
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