CN203434629U - Intelligent environment-friendly high-voltage shore-power power-supply system - Google Patents
Intelligent environment-friendly high-voltage shore-power power-supply system Download PDFInfo
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- CN203434629U CN203434629U CN201320515764.5U CN201320515764U CN203434629U CN 203434629 U CN203434629 U CN 203434629U CN 201320515764 U CN201320515764 U CN 201320515764U CN 203434629 U CN203434629 U CN 203434629U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses an intelligent environment-friendly high-voltage shore-power power-supply system which is characterized by including a high-voltage switch cabinet I, a high-voltage frequency changer connected with the high-voltage switch cabinet I, a high-voltage switch cabinet II connected with an output end of the high-voltage frequency changer, high-voltage cables which connect the high-voltage switch cabinet II and ship electrical devices, and a voltage transducer II, a frequency indicator II and a phase detector II, which are connected with the high-voltage frequency changer through the high-voltage switch cabinet II, a current transducer II which is connected with the high-voltage frequency changer through the high-voltage switch cabinet II, and a second DSP connected with the voltage transducer II, the frequency indicator II, the phase detector II and the current transducer II, and a communication module which is connected with a ship electric generator and the second DSP and used for transmitting the output-voltage amplitude, frequency, phase position and output current of the ship electric generator to the second DSP. The intelligent environment-friendly high-voltage shore-power power-supply system is capable of monitoring ship grids at any time and controlling a shore-power power supply to operate synchronously so that the system is reliable and practical.
Description
Technical field
The utility model relates to a kind of intelligent environment protection high voltage shore power power-supply system.
Background technology
In recent years, fast development due to national economy, harbor service is day by day busy, boats and ships landing pier number of times and density are doubled and redoubled, because existing boats and ships generate electricity as heavy oil, diesel oil etc. with fuel oil goods conventionally, and then meet the electric power system need for electricity on the ship that boats and ships berth after pulling in to shore, generally need a large amount of fuel oils to provide electric power to boats and ships, formed harbour chimney group, harbour environment has been caused to huge pollution; And during marine generator work, there is certain noise pollution; Marine generator efficiency is low in addition, therefore at lay day, if can be powered and can be effectively reduced cost by harbour, and be conducive to the maintenance of boats and ships generating equipment, because external network of ship frequency is mostly 60Hz, fraction network of ship frequency is 50Hz simultaneously.China's harbour distribution network frequency is 50Hz, the boats and ships of different mains frequencies may be simultaneously at anchor, and current bank power technology scheme can not be a plurality of ship power supplies simultaneously, 50Hz and 60Hz power supply can not be provided simultaneously, this has hindered development and the popularization of harbour bank electric system, and therefore studying harbour distribution network is that 60Hz boats and ships and 50Hz boats and ships while power supply technique are of great immediate significance and practical value; In addition, existing shore electric power generally adopts: the equipment collocation form of input filter+frequency converter+output transformer+sinusoidal filter, can find out the interference to boats and ships power consumption equipment and network of ship of the harmonic wave that produces for fear of common frequency converter, need to configure respectively filter at input and the output of shore electric power, complex structure, cost is higher, maintenance is inconvenient.
Summary of the invention
The utility model is for the proposition of above problem, and develops a kind of simple in structure, cost-saving, operation and maintenance intelligent environment protection high voltage shore power power-supply system easily.
Technological means of the present utility model is as follows:
A high voltage shore power power-supply system, comprising:
The high-tension switch cabinet I being connected with three-phase high-voltage input;
The high voltage converter being connected with high-tension switch cabinet I;
The high-tension switch cabinet II being connected with high voltage converter output;
The high-tension cable that connects high-tension switch cabinet II and boats and ships power consumption equipment;
By high-tension switch cabinet II, connect high voltage converter, be respectively used to detect voltage transmitter II, frequency meter II and the Phase Detector II of high voltage converter output voltage amplitude, frequency and phase place;
By high-tension switch cabinet II, connect high voltage converter, for detection of the current transducer II of the output current of high voltage converter;
The 2nd DSP that connects respectively voltage transmitter II, frequency meter II, Phase Detector II and current transducer II;
Connect respectively marine generator and the 2nd DSP, for the output voltage amplitude of marine generator, frequency, phase place and output current being transferred to the communication module of the 2nd DSP;
Whether output voltage amplitude, frequency, phase place, the output current of described the 2nd DSP comparative voltage transmitter II, frequency meter II, Phase Detector II and current transducer II the high voltage converter output voltage amplitude, frequency, phase place and the output current that detect and the marine generator transmitting by communication module synchronize, and when asynchronous, the 2nd DSP adjusts its output and exports and synchronize with marine generator by controlling high voltage converter;
Described high-tension cable is wound on high-tension electricity cable car, and this high-tension electricity cable car stube cable car drives and controller;
Further, also comprise and connect high-tension switch cabinet I, be respectively used to detect voltage transmitter I, frequency meter I and the Phase Detector I of input voltage amplitude, frequency and phase place; Connect high-tension switch cabinet I, for detection of the current transducer I of input current; A DSP who connects respectively voltage transmitter I, frequency meter I, Phase Detector I and current transducer I; A described DSP and the 2nd DSP interconnect, and backup each other, and have formed redundancy control system;
Further, the temperature transmitter I and the temperature transmitter II that is connected high-tension switch cabinet II, the 2nd DSP that connect high-tension switch cabinet I, a DSP;
Further, between a described DSP, the 2nd DSP and high voltage converter, by optical fiber communication module, be connected;
Further, connect respectively a DSP, the 2nd DSP, for receive user operation setting unit, show in real time the display unit of high voltage converter operating state and the alarm unit of reporting to the police when the abnormal parameters that temperature transmitter I, voltage transmitter I, current transducer I, temperature transmitter II, voltage transmitter II, current transducer II detect;
Further, described high voltage converter comprises three-phase transformer and several converter units; Described several converter units are divided into three groups, each phase of every group of high voltage converter in series; Each converter unit comprises the first rectification circuit, the second rectification circuit and SPWM tri-level inversion circuit; The former limit winding of described three-phase transformer is connected with high-tension switch cabinet I by triangle manner, this three-phase transformer has a plurality of secondary windings, and each is connected respectively the input of the first rectification circuit and the second rectification circuit the output of every two secondary windings with triangle and star fashion; The output negative terminal of described the first rectification circuit is connected with the output plus terminal of described the second rectification circuit; The input of described SPWM tri-level inversion circuit connects respectively the output plus terminal of the first rectification circuit and the output negative terminal of the second rectification circuit;
Further, described SPWM tri-level inversion circuit comprises the dividing potential drop branch road being composed in series by capacitor C 1, capacitor C 2; By connecting according to emitter power switch pipe Q1, Q2, Q3 and Q4 that the mode of collector electrode is connected in series successively and by being connected according to emitter the three level arm paths that power switch pipe Q5, Q6, Q7 and Q8 that the mode of collector electrode is connected in series form successively; Described SPWM tri-level inversion circuit also comprises clamping diode D9, the D10 of series connection and clamping diode D11, the D12 of series connection; The negative electrode of the anodic bonding clamping diode D10 of described clamping diode D9; The negative electrode of the anodic bonding clamping diode D12 of described clamping diode D11; The negative electrode of described clamping diode D9 connects the phase contact of power switch pipe Q1, Q2; The anodic bonding power switch pipe Q3 of described clamping diode D10, the phase contact of Q4; The negative electrode of described clamping diode D11 connects the phase contact of power switch pipe Q5, Q6; The negative electrode of described clamping diode D12 connects the phase contact of power switch pipe Q7, Q8; The phase contact of described clamping diode D9, D10 is connected the phase contact of capacitor C 1, C2 with the phase contact of described clamping diode D11, D12;
The collector electrode of described power switch pipe Q1, Q5 connects the output plus terminal of the first rectification circuit; The emitter of described power switch pipe Q4, Q8 connects the output negative terminal of the second rectification circuit; The phase contact of the phase contact of described power switch pipe Q2, Q3 and described power switch pipe Q6, Q7 goes between respectively as the output of converter unit; One end of described capacitor C 1 connects capacitor C 2, and the other end of capacitor C 1 connects the output plus terminal of the first rectification circuit, and the other end of described capacitor C 2 connects the output negative terminal of the second rectification circuit; The phase contact of described capacitor C 1, C2 connects the phase contact of described the first rectification circuit, the second rectification circuit; Between the collector electrode of described power switch pipe Q1, Q2, Q3, Q4, Q5, Q6, Q7 and Q8 and emitter, reverse parallel connection has sustained diode 1, D2, D3, D4, D5, D6, D7 and D8 respectively;
Further, a described DSP, the 2nd DSP adopt respectively Concerto F28M35X family chip and TMS320C28X family chip, or adopt Concerto F28M35X family chip and TMS320C28X family chip any simultaneously;
Further, described communication module is wireless communication module.
Owing to having adopted technique scheme, the intelligent environment protection high voltage shore power power-supply system that the utility model provides, whether output voltage amplitude, frequency, phase place, output current by the 2nd DSP comparative voltage transmitter II, frequency meter II and Phase Detector II the high voltage converter output voltage amplitude, frequency, phase place and the output current that detect and the marine generator transmitting by communication module synchronize, and high voltage converter comprises three-phase transformer and several converter units, described several converter units are divided into three groups, each phase of every group of high voltage converter in series, converter unit comprises the first rectification circuit, the second rectification circuit and SPWM tri-level inversion circuit, when high voltage converter output and marine generator, exporting the 2nd DSP when asynchronous synchronizes by the realization of control high voltage converter, and then can adjust and control according to the output parameter of marine generator the output of high voltage converter, the 50Hz or the 60Hz power supply that provide network of ship to need that not only can be in good time, can also monitor at any time network of ship and control shore electric power and its synchronous operation, reliable and practical, owing to adopting multilevel SPWM control mode, not only being convenient to the 2nd DSP changes high voltage converter by sine wave pulse width modulated and exports, produce at any time required power supply, and can effectively suppress and harmonic carcellation, reduced high order harmonic component loss, two DSP backup each other in addition, form redundancy control system, and not only control precision and arithmetic speed are much improved, and more safe and reliable because of redundancy backup, drive in addition signal to be transmitted by optical fiber communication module, safe and reliable, the utility model is simple in structure, be not only convenient to produce, and cost is very cheap is suitable for extensive popularization.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the structured flowchart of three-phase transformer input and output described in the utility model;
Fig. 3 is the structured flowchart of converter unit described in the utility model.
Embodiment
A kind of intelligent environment protection high voltage shore power power-supply system as shown in Figure 1, is characterized in that comprising: the high-tension switch cabinet I being connected with three-phase high-voltage input; The high voltage converter being connected with high-tension switch cabinet I; The high-tension switch cabinet II being connected with high voltage converter output; The high-tension cable that connects high-tension switch cabinet II and boats and ships power consumption equipment; By high-tension switch cabinet II, connect high voltage converter, be respectively used to detect voltage transmitter II, frequency meter II and the Phase Detector II of high voltage converter output voltage amplitude, frequency and phase place; By high-tension switch cabinet II, connect high voltage converter, for detection of the current transducer II of the output current of high voltage converter; The 2nd DSP that connects respectively voltage transmitter II, frequency meter II, Phase Detector II and current transducer II; Connect respectively marine generator and the 2nd DSP, for the output voltage amplitude of marine generator, frequency, phase place and output current being transferred to the communication module of the 2nd DSP; Whether output voltage amplitude, frequency, phase place, the output current of described the 2nd DSP comparative voltage transmitter II, frequency meter II, Phase Detector II and current transducer II the high voltage converter output voltage amplitude, frequency, phase place and the output current that detect and the marine generator transmitting by communication module synchronize, and when asynchronous, the 2nd DSP adjusts its output and exports and synchronize with marine generator by controlling high voltage converter; Described high-tension cable is wound on high-tension electricity cable car, and this high-tension electricity cable car stube cable car drives and controller; Further, also comprise and connect high-tension switch cabinet I, be respectively used to detect voltage transmitter I, frequency meter I and the Phase Detector I of input voltage amplitude, frequency and phase place; Connect high-tension switch cabinet I, for detection of the current transducer I of input current; A DSP who connects respectively voltage transmitter I, frequency meter I, Phase Detector I and current transducer I; A described DSP and the 2nd DSP interconnect, and backup each other, and have formed redundancy control system; Further, also comprise temperature transmitter I and the temperature transmitter II that is connected high-tension switch cabinet II, the 2nd DSP that connects high-tension switch cabinet I, a DSP; Further, between a described DSP, the 2nd DSP and high voltage converter, by optical fiber communication module, be connected; Further, also comprise and connect respectively a DSP, the 2nd DSP, for receive user operation setting unit, show in real time the display unit of high voltage converter operating state and the alarm unit of reporting to the police when the abnormal parameters that temperature transmitter I, voltage transmitter I, current transducer I, temperature transmitter II, voltage transmitter II, current transducer II detect; Further, described high voltage converter comprises three-phase transformer and several converter units; Described several converter units are divided into three groups, each phase of every group of high voltage converter in series; As shown in Figure 3, each converter unit comprises the first rectification circuit, the second rectification circuit and SPWM tri-level inversion circuit; As shown in Figure 2, the former limit winding of described three-phase transformer is connected with high-tension switch cabinet I by triangle manner, this three-phase transformer has a plurality of secondary windings, and each is connected respectively the input of the first rectification circuit and the second rectification circuit the output of every two secondary windings with triangle and star fashion; The output negative terminal of described the first rectification circuit is connected with the output plus terminal of described the second rectification circuit; The input of described SPWM tri-level inversion circuit connects respectively the output plus terminal of the first rectification circuit and the output negative terminal of the second rectification circuit; Further, described SPWM tri-level inversion circuit comprises the dividing potential drop branch road being composed in series by capacitor C 1, capacitor C 2; By connecting according to emitter power switch pipe Q1, Q2, Q3 and Q4 that the mode of collector electrode is connected in series successively and by being connected according to emitter the three level arm paths that power switch pipe Q5, Q6, Q7 and Q8 that the mode of collector electrode is connected in series form successively; Described SPWM tri-level inversion circuit also comprises clamping diode D9, the D10 of series connection and clamping diode D11, the D12 of series connection; The negative electrode of the anodic bonding clamping diode D10 of described clamping diode D9; The negative electrode of the anodic bonding clamping diode D12 of described clamping diode D11; The negative electrode of described clamping diode D9 connects the phase contact of power switch pipe Q1, Q2; The anodic bonding power switch pipe Q3 of described clamping diode D10, the phase contact of Q4; The negative electrode of described clamping diode D11 connects the phase contact of power switch pipe Q5, Q6; The negative electrode of described clamping diode D12 connects the phase contact of power switch pipe Q7, Q8; The phase contact of described clamping diode D9, D10 is connected the phase contact of capacitor C 1, C2 with the phase contact of described clamping diode D11, D12; The collector electrode of described power switch pipe Q1, Q5 connects the output plus terminal of the first rectification circuit; The emitter of described power switch pipe Q4, Q8 connects the output negative terminal of the second rectification circuit; The phase contact of the phase contact of described power switch pipe Q2, Q3 and described power switch pipe Q6, Q7 goes between respectively as the output of converter unit; One end of described capacitor C 1 connects capacitor C 2, and the other end of capacitor C 1 connects the output plus terminal of the first rectification circuit, and the other end of described capacitor C 2 connects the output negative terminal of the second rectification circuit; The phase contact of described capacitor C 1, C2 connects the phase contact of described the first rectification circuit, the second rectification circuit; Between the collector electrode of described power switch pipe Q1, Q2, Q3, Q4, Q5, Q6, Q7 and Q8 and emitter, reverse parallel connection has sustained diode 1, D2, D3, D4, D5, D6, D7 and D8 respectively; Further, a described DSP, the 2nd DSP adopt respectively Concerto F28M35X family chip and TMS320C28X family chip, or adopt Concerto F28M35X family chip and TMS320C28X family chip any simultaneously; Further, described communication module is wireless communication module; Phase difference cos φ >=0.98 of described high voltage converter output voltage and output current.
While using intelligent environment protection high voltage shore power power-supply system of the present utility model, can input the high pressure of 6～11kV, in high-tension switch cabinet I, high-tension fuse is installed, high voltage isolator, earthed switch, high voltage load switch, high pressure automatic reclosing and breaker, high-voltage actuating mechanism, lightning arrester, relay, instrument and turnover terminal etc., said elements and parts are contained in respectively in corresponding handcart, to ensure very high interchangeability and improve the reliability of power supply, it is respectively charged into isolation handcart, circuit breaker cart, PT handcart, capacitor handcart and metering handcart, voltage by high-tension switch cabinet I 6～11kV out, as shown in Figure 2, input voltage is fed into the included three-phase transformer of high voltage converter, this three-phase transformer is multiple inverter configuration, at least there are 15 groups of outputs, do is like this in order to obtain the rectification of 12 pulse waves, object is to suppress and harmonic carcellation, be that secondary is a plurality of " Y " and " △ " winding, every two is that one " Y " and one " △ " supplies with a converter unit, U1 wherein, U2, UN, V1, V2, VN, W1, W2, WN is a converter unit respectively, each phase of every N converter unit high voltage converter in series, the number of converter unit series connection depends on input voltage and power output, be illustrated in figure 3 the structural representation of converter unit, its task is after 50Hz AC rectification, through SPWM, to be modulated into the sinusoidal ac of 50Hz or 60Hz, pass through again overlapped in series harmonic carcellation, transfer in high-tension switch cabinet II, each converter unit comprises SPWM tri-level-conversion circuits, in the number of elements of its use than many 4 power switch pipes of two level, 4 diodes, 1 bridge piece and 1 three-phase power line, the advantage obtaining is: the output voltage expansion of each converter unit is twice, therefore the converter unit number needing has also almost lacked one times, what finally obtain is that noise significantly reduces, to reach without any filter, reached the harmonic standard of regulation in the world, when boats and ships reach port, first by communication module, detect the output parameter of marine generator and be transferred to the 2nd DSP, the 2nd DSP is according to voltage transmitter II, frequency meter II, the detected high voltage converter output of Phase Detector II and current transducer II judges whether to synchronize with the output parameter of marine generator, if asynchronous the 2nd DSP adjusts high voltage converter output, until voltage transmitter II, frequency meter II, the marine generator output parameter that the detected high voltage converter output parameter of Phase Detector II and current transducer II transmits with communication module is synchronizeed, in actual use, communication module can be connected with the voltage sensor that detects marine generator output parameter and current sensor or special data acquisition system etc., this communication module can be that wireless communication module also can connect marine generator and the 2nd DSP by wired mode, the time delay several seconds, can stop boats and ships self power supply, close marine generator, utilize cable car driving and controller to control and drive high-tension electricity cable car simultaneously, connect high-tension cable, shore electric power providing boats and ships power consumption equipment is provided, when boats and ships offshore, after marine generator startup is stable, communication module is passed to the 2nd DSP in real time by its output parameter, high voltage converter output parameter is adjusted to and marine generator synchronous regime automatically, marine generator closes a floodgate and powers, the time delay several seconds, shore electric power is closed, stop power supply, detecting boats and ships disconnection cable end, after high-tension cable winch reclaims cable, just can all stop electrical operation, a DSP described in the utility model and the 2nd DSP interconnect, backup each other, formed redundancy control system, if in actual use the 2nd DSP break down or problem after, the one DSP can replace the 2nd DSP work, the power supply of the one DSP and the 2nd DSP is except conventional civil power, also be connected with UPS to prevent the runaway condition of momentary power failure, system also comprises connection high-tension switch cabinet I, is respectively used to detect voltage transmitter I, frequency meter I and the Phase Detector I of input voltage amplitude, frequency and phase place, connect high-tension switch cabinet I, for detection of the current transducer I of input current, connect respectively voltage transmitter I, frequency meter I, the one DSP of Phase Detector I and current transducer I, connects high-tension switch cabinet I, the temperature transmitter I of the one DSP be connected high-tension switch cabinet II, the temperature transmitter II of the 2nd DSP, described temperature transmitter I is for detection of work and the operating temperature of the electric component in high-tension switch cabinet I, described temperature transmitter II is for detection of work and the operating temperature of the electric component in high-tension switch cabinet II, as is arranged on the high-tension fuse in high-tension switch cabinet I and high-tension switch cabinet II, high voltage isolator, earthed switch, high voltage load switch, high pressure automatic reclosing and breaker, high-voltage actuating mechanism lightning arrester, relay, work and the operating temperature of the electric components such as instrument and turnover terminal, when temperature transmitter I, voltage transmitter I, current transducer I, temperature transmitter II, voltage transmitter II, the alarm unit of reporting to the police during abnormal parameters that current transducer II detects, whether be normally not only convenient to detect input voltage, whether relevant connection connects, and carries out and alarm can realize abnormal parameters time, guarantee device security, the utility model can be accomplished real-time monitoring, real-time synchronization, synchronizes with marine generator to guarantee that bank electric energy is enough, with frequently, same width, homophase, can accomplish that random time closes a floodgate, and do not damage on the bank with boats and ships on any electric installation, the intelligent environment protection high voltage shore power power-supply system that the utility model provides, by the 2nd DSP comparative voltage transmitter II, the high voltage converter output voltage amplitude that frequency meter II and Phase Detector II detect, frequency, the output voltage amplitude of phase place and output current and the marine generator that transmits by communication module, frequency, phase place, whether output current is synchronous, and high voltage converter comprises three-phase transformer and several converter units, described several converter units are divided into three groups, each phase of every group of high voltage converter in series, converter unit comprises the first rectification circuit, the second rectification circuit and SPWM tri-level inversion circuit, when high voltage converter output and marine generator, exporting the 2nd DSP when asynchronous synchronizes by the realization of control high voltage converter, and then can adjust and control according to the output parameter of marine generator the output of high voltage converter, the 50Hz or the 60Hz power supply that provide network of ship to need that not only can be in good time, can also monitor at any time network of ship and control shore electric power and its synchronous operation, reliable and practical, owing to adopting multilevel SPWM control mode, not only being convenient to the 2nd DSP changes high voltage converter by sine wave pulse width modulated and exports, produce at any time required power supply, and can effectively suppress and harmonic carcellation, reduced high order harmonic component loss, two DSP backup each other in addition, form redundancy control system, and not only control precision and arithmetic speed are much improved, and more safe and reliable because of redundancy backup, drive in addition signal to be transmitted by optical fiber communication module, safe and reliable, the utility model is simple in structure, be not only convenient to produce, and cost is very cheap is suitable for extensive popularization.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection range of the present utility model.
Claims (9)
1. an intelligent environment protection high voltage shore power power-supply system, is characterized in that comprising:
The high-tension switch cabinet I being connected with three-phase high-voltage input;
The high voltage converter being connected with high-tension switch cabinet I;
The high-tension switch cabinet II being connected with high voltage converter output;
The high-tension cable that connects high-tension switch cabinet II and boats and ships power consumption equipment;
By high-tension switch cabinet II, connect high voltage converter, be respectively used to detect voltage transmitter II, frequency meter II and the Phase Detector II of high voltage converter output voltage amplitude, frequency and phase place;
By high-tension switch cabinet II, connect high voltage converter, for detection of the current transducer II of the output current of high voltage converter;
The 2nd DSP that connects respectively voltage transmitter II, frequency meter II, Phase Detector II and current transducer II;
Connect respectively marine generator and the 2nd DSP, for the output voltage amplitude of marine generator, frequency, phase place and output current being transferred to the communication module of the 2nd DSP;
Whether output voltage amplitude, frequency, phase place, the output current of described the 2nd DSP comparative voltage transmitter II, frequency meter II, Phase Detector II and current transducer II the high voltage converter output voltage amplitude, frequency, phase place and the output current that detect and the marine generator transmitting by communication module synchronize, and when asynchronous, the 2nd DSP adjusts its output and exports and synchronize with marine generator by controlling high voltage converter;
Described high-tension cable is wound on high-tension electricity cable car, and this high-tension electricity cable car stube cable car drives and controller.
2. a kind of intelligent environment protection high voltage shore power power-supply system according to claim 1, characterized by further comprising and connect high-tension switch cabinet I, is respectively used to detect voltage transmitter I, frequency meter I and the Phase Detector I of input voltage amplitude, frequency and phase place; Connect high-tension switch cabinet I, for detection of the current transducer I of input current; A DSP who connects respectively voltage transmitter I, frequency meter I, Phase Detector I and current transducer I; A described DSP and the 2nd DSP interconnect, and backup each other, and have formed redundancy control system.
3. a kind of intelligent environment protection high voltage shore power power-supply system according to claim 2, characterized by further comprising the temperature transmitter I and the temperature transmitter II that is connected high-tension switch cabinet II, the 2nd DSP that connect high-tension switch cabinet I, a DSP.
4. a kind of intelligent environment protection high voltage shore power power-supply system according to claim 2, is characterized in that by optical fiber communication module, being connected between a described DSP, the 2nd DSP and high voltage converter.
5. a kind of intelligent environment protection high voltage shore power power-supply system according to claim 3, characterized by further comprising and connect respectively a DSP, the 2nd DSP, for receive user operation setting unit, show in real time the display unit of high voltage converter operating state and the alarm unit of reporting to the police when the abnormal parameters that temperature transmitter I, voltage transmitter I, current transducer I, temperature transmitter II, voltage transmitter II, current transducer II detect.
6. a kind of intelligent environment protection high voltage shore power power-supply system according to claim 1, is characterized in that described high voltage converter comprises three-phase transformer and several converter units; Described several converter units are divided into three groups, each phase of every group of high voltage converter in series; Each converter unit comprises the first rectification circuit, the second rectification circuit and SPWM tri-level inversion circuit; The former limit winding of described three-phase transformer is connected with high-tension switch cabinet I by triangle manner, this three-phase transformer has a plurality of secondary windings, and each is connected respectively the input of the first rectification circuit and the second rectification circuit the output of every two secondary windings with triangle and star fashion; The output negative terminal of described the first rectification circuit is connected with the output plus terminal of described the second rectification circuit; The input of described SPWM tri-level inversion circuit connects respectively the output plus terminal of the first rectification circuit and the output negative terminal of the second rectification circuit.
7. a kind of intelligent environment protection high voltage shore power power-supply system according to claim 6, is characterized in that described SPWM tri-level inversion circuit comprises the dividing potential drop branch road being composed in series by capacitor C 1, capacitor C 2; By connecting according to emitter power switch pipe Q1, Q2, Q3 and Q4 that the mode of collector electrode is connected in series successively and by being connected according to emitter the three level arm paths that power switch pipe Q5, Q6, Q7 and Q8 that the mode of collector electrode is connected in series form successively; Described SPWM tri-level inversion circuit also comprises clamping diode D9, the D10 of series connection and clamping diode D11, the D12 of series connection; The negative electrode of the anodic bonding clamping diode D10 of described clamping diode D9; The negative electrode of the anodic bonding clamping diode D12 of described clamping diode D11; The negative electrode of described clamping diode D9 connects the phase contact of power switch pipe Q1, Q2; The anodic bonding power switch pipe Q3 of described clamping diode D10, the phase contact of Q4; The negative electrode of described clamping diode D11 connects the phase contact of power switch pipe Q5, Q6; The negative electrode of described clamping diode D12 connects the phase contact of power switch pipe Q7, Q8; The phase contact of described clamping diode D9, D10 is connected the phase contact of capacitor C 1, C2 with the phase contact of described clamping diode D11, D12;
The collector electrode of described power switch pipe Q1, Q5 connects the output plus terminal of the first rectification circuit; The emitter of described power switch pipe Q4, Q8 connects the output negative terminal of the second rectification circuit; The phase contact of the phase contact of described power switch pipe Q2, Q3 and described power switch pipe Q6, Q7 goes between respectively as the output of converter unit; One end of described capacitor C 1 connects capacitor C 2, and the other end of capacitor C 1 connects the output plus terminal of the first rectification circuit, and the other end of described capacitor C 2 connects the output negative terminal of the second rectification circuit; The phase contact of described capacitor C 1, C2 connects the phase contact of described the first rectification circuit, the second rectification circuit; Between the collector electrode of described power switch pipe Q1, Q2, Q3, Q4, Q5, Q6, Q7 and Q8 and emitter, reverse parallel connection has sustained diode 1, D2, D3, D4, D5, D6, D7 and D8 respectively.
8. a kind of intelligent environment protection high voltage shore power power-supply system according to claim 2, it is characterized in that a described DSP, the 2nd DSP adopt respectively Concerto F28M35X family chip and TMS320C28X family chip, or adopt Concerto F28M35X family chip and TMS320C28X family chip any simultaneously.
9. a kind of intelligent environment protection high voltage shore power power-supply system according to claim 1, is characterized in that described communication module is wireless communication module.
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| CN201320515764.5U CN203434629U (en) | 2013-08-20 | 2013-08-20 | Intelligent environment-friendly high-voltage shore-power power-supply system |
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| CN201320515764.5U CN203434629U (en) | 2013-08-20 | 2013-08-20 | Intelligent environment-friendly high-voltage shore-power power-supply system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401245A (en) * | 2013-08-20 | 2013-11-20 | 刘明日 | Intelligent environment-friendly high-voltage shore power supply system |
| CN105116833A (en) * | 2015-08-19 | 2015-12-02 | 中国科学院合肥物质科学研究院 | Ultra high voltage power supply measurement and control system based on dual-redundancy policy and method |
| CN105278407A (en) * | 2015-10-14 | 2016-01-27 | 株洲变流技术国家工程研究中心有限公司 | DC power source controller of unattended ship and unattended ship system |
| CN106809363A (en) * | 2016-01-28 | 2017-06-09 | 上海冠图电气科技有限公司 | Ship polymorphic type energy management system and energy management method |
| CN109731787A (en) * | 2019-02-18 | 2019-05-10 | 黄河水利职业技术学院 | A kind of tea stalk tealeaves seperator |
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2013
- 2013-08-20 CN CN201320515764.5U patent/CN203434629U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401245A (en) * | 2013-08-20 | 2013-11-20 | 刘明日 | Intelligent environment-friendly high-voltage shore power supply system |
| CN105116833A (en) * | 2015-08-19 | 2015-12-02 | 中国科学院合肥物质科学研究院 | Ultra high voltage power supply measurement and control system based on dual-redundancy policy and method |
| CN105116833B (en) * | 2015-08-19 | 2018-02-16 | 中国科学院合肥物质科学研究院 | A kind of EHT supply TT＆C system and method based on dual-computer redundancy strategy |
| CN105278407A (en) * | 2015-10-14 | 2016-01-27 | 株洲变流技术国家工程研究中心有限公司 | DC power source controller of unattended ship and unattended ship system |
| CN105278407B (en) * | 2015-10-14 | 2018-11-06 | 株洲变流技术国家工程研究中心有限公司 | A kind of unattended ship DC power supply controller and unattended marine system |
| CN106809363A (en) * | 2016-01-28 | 2017-06-09 | 上海冠图电气科技有限公司 | Ship polymorphic type energy management system and energy management method |
| CN109731787A (en) * | 2019-02-18 | 2019-05-10 | 黄河水利职业技术学院 | A kind of tea stalk tealeaves seperator |
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Address after: Room 31-9, Room 501, Building 6-2, Yingchun Street, Huayuankou Economic Zone, Dalian City, Liaoning Province, 116000 Patentee after: Tianenlu (Liaoning) Technology Co.,Ltd. Address before: Room 31-9, Room 501, Building 6-2, Yingchun Street, Huayuankou Economic Zone, Dalian City, Liaoning Province, 116000 Patentee before: TIANENLU (DALIAN) ENERGY TECHNOLOGY CO.,LTD. |
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