CN201576961U - Controller of low-voltage circuit breaker for wind power generation - Google Patents
Controller of low-voltage circuit breaker for wind power generation Download PDFInfo
- Publication number
- CN201576961U CN201576961U CN2009202842117U CN200920284211U CN201576961U CN 201576961 U CN201576961 U CN 201576961U CN 2009202842117 U CN2009202842117 U CN 2009202842117U CN 200920284211 U CN200920284211 U CN 200920284211U CN 201576961 U CN201576961 U CN 201576961U
- Authority
- CN
- China
- Prior art keywords
- pin
- circuit
- links
- input channel
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
The utility model discloses a multifunctional intelligent controller of a low-voltage circuit breaker for wind power generation. An analog quantity input channel comprises a current signal input channel and a voltage signal input channel which are intelligently connected with an electric energy metering chip in a multifunctional manner; the input end of a switching-on/off control module is respectively connected with the output ends of an analog tripping module and a DSP processor switching-on/off control signal; a DSP processor is connected with the Ethernet by a network communication module, and is also connected with an externally-extended memorizer and a TCP/IP network communication module; a DSP built-in CAN controller is connected with a CAN bus communication module, and the CAN bus communication module is connected with a CAN field bus net. By integrating the functions of high-speed collecting, real-time processing, parameter setting, network monitoring, electric energy metering and harmonic wave analyzing, the multifunctional intelligent controller has the characteristics of good real-time performance, high reliability and low cost.
Description
Technical field
The utility model belongs to the low-voltage electrical apparatus field that is used for wind power generation, relates in particular to the low-voltage circuit breaker that is used for wind power generation.
Background technology
Along with the popularization of wind power generation, its relevant low-voltage electrical apparatus has also obtained development rapidly.The used for wind power generation low-voltage circuit breaker is except the major function with conventional low-voltage circuit breaker, because the characteristics of wind power generation also should have functions such as the not available electric energy metrical of general circuit breaker, harmonic analysis.
Along with microelectric technique, computer technology and development of internet technology, the integrated level of smart machine improves and has communication function becomes possibility.At present, the pertinent literature with used for wind power generation low-voltage circuit breaker implementation method of electric energy metrical, harmonic analysis function does not appear in the newspapers.
Summary of the invention
In order to adapt to the specific (special) requirements of wind power generation, the purpose of this utility model be to provide have electric energy metrical, a kind of used for wind power generation low-voltage circuit breaker multifunctional intellectual controller of harmonic analysis, CAN Bus and Internet communication.
The technical solution of the utility model is: the analog input channel comprises current signal input channel and voltage signal input channel, voltage signal input channel electric current, the current signal input channel links to each other with electric energy computation chip, the current signal input channel links to each other with simulation dropout module, the input of divide-shut brake control module respectively with the output and the dsp processor branch of simulation dropout module, the output of energization control signal links to each other, dsp processor links to each other with the outer extension memory of DSP, dsp processor links to each other with Ethernet through network communication module, dsp processor links to each other with the TCP/IP network communication module, the embedded CAN controller of DSP links to each other with CAN bus communication module, and CAN bus communication module links to each other with the CAN fieldbus network.
The utility model integrates high speed acquisition, processing in real time, parameter setting, network monitoring, electric energy metrical and harmonic analysis function, has characteristics such as real-time is good, reliability is high, cost is low.
Description of drawings
Fig. 1 is the utility model structure composition frame chart;
Fig. 2 is current signal input channel 5 among Fig. 1, voltage signal input channel 4 circuit theory diagrams;
Fig. 3 is the circuit theory diagrams of electric energy computation chip 3 among Fig. 1;
Fig. 4 is the circuit theory diagrams of simulation dropout module 6 among Fig. 1;
Fig. 5 is the circuit theory diagrams of divide-shut brake control module 7 among Fig. 1;
Fig. 6 is the circuit theory diagrams of CAN bus communication module 11 among Fig. 1;
Fig. 7 is the circuit theory diagrams of TCP/IP network communication module 10 among Fig. 1;
Embodiment
As shown in Figure 1, the utility model is provided with module 9, CAN bus communication module 11 and TCP/IP network communication module 10 and is formed by power module 2, dsp processor 1 and outer extension memory 8, voltage signal input channel 4, current signal input channel 5, electric energy computation chip 3, simulation dropout module 6, divide-shut brake control output module 7, node.Current signal input channel 5, voltage signal input channel 4 link to each other with electric energy computation chip 3, current signal input channel 5 links to each other with simulation dropout module 6, the input of divide-shut brake control module 7 links to each other with the output of the divide-shut brake control signal of the output of simulation dropout module 6 and dsp processor 1 respectively, the branch of circuit breaker, the state that closes pass and dsp processor 1 through divide-shut brake control module 7, dsp processor 1 links to each other with the outer extension memory 8 of DSP, and dsp processor 1 links to each other with Ethernet 12 through TCP/IP network communication module 10.Dsp processor 1 links to each other with TCP/IP network communication module 10.The embedded CAN controller of DSP links to each other with CAN bus communication module 11, and CAN bus communication module 11 links to each other with CAN fieldbus network 13, realizes the communication function based on CAN Bus; The TCP/IP Network Interface Module that combines with RTL8019AS and constitute with AT89S8252, and carry out exchanges data by serial communication between the DSP, can realize network configuration, remote centralized control and management.Power module 2 is connected with processor with above-mentioned each corresponding module respectively, for it provides power supply.
The current transformer of low-voltage circuit breaker and voltage transformer output signal are through current signal input channel 5, voltage signal input channel 4 input to electric energy computation chip 3, wherein the signal before current signal input channel 5 sample circuits also is connected to the input of simulation dropout module 6, when especially big short circuit current of appearance or circuit breaker under the normal operating condition are closed a floodgate short circuit current by disconnection on, the input signal of simulation dropout module 6 surpasses the value of regulation, comparing element sends trip signal, through sub-gate control circuit circuit breaker is disconnected, and without the processing of dsp processor 1; DSP reads transient current value, instantaneous voltage value, instantaneous power value, energy value, current effective value and voltage effective value from electric energy computation chip 3 and handles and judge whether warning or protection action and harmonic analysis; DSP reads node the set value of module 9 is set, and is used for being provided with the numbering of this intelligent control unit at network, to discern different circuit breakers.
As shown in Figure 2, the analog input channel comprises current signal input channel 5 and voltage signal input channel 4.Current signal input channel 5 is made up of phase-shift circuit, amplitude limiter circuit and sample circuit etc., and voltage signal input channel 4 is made up of amplitude limiter circuit, sample circuit etc.The current transformer output signal connects simulation dropout module 6 inputs after phase-shift circuit, amplitude limiter circuit, be connected to 15 pin and 16 pin of electric energy computation chip 3 simultaneously through sample circuit, decoupling circuit; The voltage transformer output signal is connected to 9 pin and 10 pin of electric energy computation chip 3 through amplitude limiter circuit, sample circuit and decoupling circuit.Be specially: current transformer output signal one terminating resistor R22, resistance R 22 is through capacitor C 8 ground connection, and resistance R 22 connects X1, the resistance R 23 of simulation dropout module 6, the negative electrode of voltage-stabiliser tube D8 simultaneously; Resistance R 23 is through resistance R 26 and capacitor C 9 ground connection, and resistance R 23 connects 16 pin of the chip CS5460A of electric energy computation chip 3 simultaneously; The anode of voltage-stabiliser tube D8 connects the anode of voltage-stabiliser tube D10, the minus earth of voltage-stabiliser tube D10; The other end ground connection of current transformer output signal, the 15th pin of the chip CS5460A of this output termination electric energy computation chip 3 of current transformer simultaneously.The negative electrode of one termination voltage-stabiliser tube D4 of voltage transformer output signal, this output of voltage transformer connects the 9th pin of the CS5460A of electric energy computation chip 3 through resistance R 18 simultaneously; The 9th pin of the chip CS5460A of electric energy computation chip 3 is through resistance R 20, capacitor C 6 ground connection; The anode of voltage-stabiliser tube D4 connects the anode of voltage-stabiliser tube D6, the minus earth of voltage-stabiliser tube D6; The other end ground connection of voltage transformer output signal, the 10th pin of the CS5460A of this output termination electric energy computation chip 3 of voltage transformer simultaneously.
As shown in Figure 3, electric energy computation chip 3 is made of chip CS5460A.The sample circuit output signal of current signal input channel 5 is connected to the 15th pin, the 16th pin of CS5460A, and the sample circuit output signal of voltage signal input channel 4 is connected to the 9th pin of CS5460A, the 10th pin; CS5460A links to each other with PB00, PB01, the PB02 of DSP by its bidirectional linked list mouth SDI, SDO, SCLK.Specifically: the 9th pin of electric energy computation chip U1 connects the output signal of sample circuit in the A phase voltage input channel; The 16th pin of electric energy computation chip U1 connects the output signal of sample circuit in the A phase current input channel; The 10th pin of electric energy computation chip U1, the 15th pin, the 13rd pin, the 4th pin ground connection; The 11st pin of electric energy computation chip U1, the 12nd pin are simultaneously through capacitor C 13 ground connection; The 1st pin of electric energy computation chip U1 connects the 24th pin of electric energy computation chip U1 through crystal oscillator C5; The 14th pin of electric energy computation chip U1 meets power supply VCC through resistance R 3, and power supply VCC is through capacitor C 1 ground connection; The end of the 3rd pin connecting resistance R4 of electric energy computation chip U1, the other end of resistance R 4 meets VCC through capacitor C 2 ground connection, resistance R 1 simultaneously; The 17th pin of electric energy computation chip U1 is respectively through resistance R 31 ground connection, meet power supply VCC through resistance R 30; The 19th pin of electric energy computation chip U1 meets the output signal RSTOUT of reset circuit; The 7th pin of electric energy computation chip U1, the 23rd pin, the 6th pin, the 5th pin connect the 48th pin, the 45th pin, the 46th pin, the 47th pin of signal processor TMS320F2812 respectively.
As shown in Figure 4, simulation dropout module 6 forms circuit by reference voltage and window comparator circuit is formed.Current signal X1, X2, X3 in the current signal input channel 5 before the sample circuit connects 5,7 pin of operational amplifier U18,9,11 pin of operational amplifier U18 and 5,7 pin of operational amplifier U19 respectively; Operational amplifier U19 combines with resistance R 59～R66, capacitor C 66, C67, diode D16, triode T5, reference voltage under close a floodgate moment and the stable state is provided, be input to 3 pin of operational amplifier U20, the 1 pin output of operational amplifier U20 connects 11 pin of 7,11 and the operational amplifier U19 of operational amplifier U18, simultaneously 6 pin that meet operational amplifier U20 through resistance R 57 carry out anti-phasely, and 4 pin of 4,8 and the operational amplifier U19 of operational amplifier U18 are received in the 7 pin output of operational amplifier U20; Moment behind breaker closing, VCC charges to C67 by R66, and the 14th pin output high level of U19 connects the 11st pin of U19, the voltage of U19 the 11st pin is higher than the voltage of U19 the 10th, the 13rd pin output high level of U19 makes triode T5 saturation conduction, and the voltage on integrated transporting discharging U20 the 3rd pin is lower; When C67 charges to voltage when surpassing the voltage of U19 the 9th pin, U19 the 14th pin output low level is connected to the 11st pin of U19, U19 the 13rd pin output low level, and triode T4 ends, and the voltage on U20 the 3rd pin is higher; When one or several signal peak among X1, X3, the X5 surpasses the reference voltage of U20 output, all exportable positive square-wave signal of comparator, the square-wave signal of all outputs with " or " form, output to the input of separating brake control output module; Have no progeny at the circuit breaker branch, the electric charge that C67 stores discharges by D16.Be specially: the 8 pin connecting resistance R66 of operational amplifier U19,8 pin connect the anode of diode D16 and "+" end of electrochemical capacitor C67 simultaneously, and resistance R 66 connects the negative electrode of diode D16, meets power supply VCC simultaneously; The 9 pin connecting resistance R64 of operational amplifier U19,10 pin of while 9 pin connecting resistance R63 and operational amplifier U19, resistance R 63 meets power supply VCC again; The 13 pin connecting resistance R62 of operational amplifier U19,13 pin connect the base stage of triode T5 simultaneously, and resistance R 62 meets power supply VCC again; The grounded emitter of triode T5, the collector electrode connecting resistance R61 of triode T5, while collector electrode connecting resistance R60, resistance R 60 connects 3 pin of operational amplifier U20 again, while resistance R 60 connecting resistance R59, resistance R 59 meets power supply VCC again; 2 pin of operational amplifier U20 link to each other with output 1 pin, 1 pin of operational amplifier U20 connects 7,11 pin of operational amplifier U18 and 7 pin of operational amplifier U19, the 1 pin connecting resistance R57 of while operational amplifier U20, resistance R 57 connects 6 pin of operational amplifier U20 again, while resistance R 57 connecting resistance R56, resistance R 56 connects output 7 pin of operational amplifier U20 again, the 5 pin connecting resistance R58 of operational amplifier computing U20, output 7 pin of operational amplifier U20 connect 4,8 pin of operational amplifier U18 and 4 pin of operational amplifier U19; R50～R55 is a pull-up resistor, and an end links to each other with VCC, and the other end links to each other with 2 pin, 1 pin of 2 pin, 1 pin, 14 pin, 13 pin and the operational amplifier U19 of operational amplifier U18 respectively; The end of D10～D15 links to each other with simulation dropout input, and the other end links to each other with 2 pin, 1 pin of 2 pin, 1 pin, 14 pin, 13 pin and the operational amplifier U19 of operational amplifier U18 respectively; C44, C45, C46, C47, C64, C65 are decoupling capacitor, and the end of C44, C46, C64 links to each other with+12 volts of power supplys, other end ground connection, and the end of C45, C47, C65 links to each other other end ground connection with-12 volts of power supplys.
As shown in Figure 5, divide-shut brake control module 7 is made up of optical coupling isolation circuit and output driving circuit.The sub-gate signal that dsp processor 1 and simulation dropout module 6 are sent with " or " mode receive 2 pin of optocoupler U26, switching signal connects 4 pin of optocoupler U26; Output driving circuit discharges circuit D37, R87 by power tube T3, T4, induced electromotive force, and D39, R88 form, and the control end of power tube is received 7,5 pin of optocoupler respectively.Be specially: the sub-gate signal BREAK that the simulation dropout is sent connects the negative electrode of diode D33, the sub-gate signal BREAK1 that DSP sends connects the negative electrode of diode D34, the anode of diode D33 connects 2 pin of optocoupler U26, the anode of diode D33 connects anode and the resistance R 78 of diode D34 simultaneously, and resistance R 78 meets power supply VCC again; The switching signal that DSP sends connects 4 pin of optocoupler U26; The 3 pin connecting resistance R79 of optocoupler U26, resistance R 79 meets power supply VCC again, the 1 pin connecting resistance R80 of optocoupler U26, resistance R 80 meets power supply VCC again, and 6 pin, 8 pin of optocoupler U26 meet power supply VCCL simultaneously; 7 pin of optocoupler U26 connect the base stage of hybrid power tube T3, and 5 pin of optocoupler U26 connect the base stage of hybrid power tube T4; The grounded emitter of hybrid power tube T3, the collector electrode of hybrid power tube T3 connects the coil of separating brake magnetic flow convertor, the collector electrode connecting resistance R87 of while hybrid power tube T3, resistance R 87 connects the anode of diode D37 again, the negative electrode of diode D37 connects the negative electrode of diode D36, the coil of the negative electrode separating brake magnetic flow convertor of while diode D37, the anode of diode D36 connect "+" end of electrochemical capacitor C79; The grounded emitter of hybrid power tube T4, the collector electrode of hybrid power tube T4 engages the coil of lock magnetic flow convertor, the collector electrode connecting resistance R88 of while hybrid power tube T4, resistance R 88 connects the anode of diode D39 again, the negative electrode of diode D39 connects the negative electrode of diode D38, the coil of the negative electrode combined floodgate magnetic flow convertor of while diode D39, the anode of diode D36 connect "+" end of electrochemical capacitor C79; C68 is a decoupling capacitor, a termination power VCCL, other end ground connection.
As shown in Figure 6, CAN bus communication module 11 is made up of high speed photo coupling, CAN bus transceiver.The embedded CAN controller of DSP links to each other with high speed photo coupling U5, U6, and high speed photo coupling U5, U6 link to each other with CAN bus transceiver U7 again, and CAN bus transceiver U7 links to each other with CAN bus (CANH, CANL) again.CAN bus transceiver U7 is the interface between CAN controller and physical bus, can provide to the differential transmitting capacity of bus with to the differential receiving ability of CAN controller, convert common high-low level to difference form and outwards send, transmit signal, increase transmission range to strengthen.Be specially: the embedded CAN controller of signal processor TMS320F2812 links to each other with the 3rd, 6 pin of high speed photo coupling U5, U6 respectively through the 87th, 89 pin of signal processor TMS320F2812, the 6th, 3 pin of high speed photo coupling U5, U6 link to each other with the 1st, 4 pin of CAN bus transceiver U7 respectively, and the 7th, 6 pin of CAN bus transceiver U7 link to each other with CANH, the CANL of CAN bus respectively; The 2 pin connecting resistance R46 of high speed photo coupling U5, resistance R 46 meets power supply VCC again, the 2 pin connecting resistance R49 of high speed photo coupling U6, resistance R 49 meets power supply VCCL again; The 8 pin connecting resistance R51 of CAN controller U7; Resistance R 45, R47, R48, R50 are pull-up resistor, resistance R 45 1 termination power VCC, 6 pin of another termination high speed photo coupling U6; Resistance R 47 1 termination power VCC, 7 pin of another termination high speed photo coupling U6; Resistance R 48 1 termination power VCCL, 7 pin of another termination high speed photo coupling U5; Resistance R 50 1 termination power VCCL, 6 pin of another termination high speed photo coupling U5; C19～C21 is a decoupling capacitor, and an end links to each other with VCCL, other end ground connection.
As shown in Figure 7, TCP/IP network communication module 10 is by microprocessor IC1, network controller IC2, Serial E
2Compositions such as PROM chip IC 5, separation filter IC3.The data/address bus of microprocessor IC1, address bus link to each other with the least-significant byte data/address bus of network controller IC2, low 5 bit address buses respectively; Two I/O pins of microprocessor IC1 respectively with Serial E
2The 5th, 6 pin of PROM chip IC 5 link to each other; The serial ports pin of microprocessor IC1 links to each other with the serial ports pin of DSP respectively through level transferring chip U14, and both carry out the exchange of information by serial mode; Network controller IC2 links to each other with network interface card CON1 via isolating chip IC3, can be connected on the Ethernet by CON1.The P0 mouth of microprocessor IC1 and the P2.0～P2.4 of P2 mouth link to each other with least-significant byte data/address bus SD0～SD7 of network controller IC2, low 5 bit address bus SA0～SA4 respectively; 26,27 pin of microprocessor IC1 connect Serial E
25,6 pin of PROM storage chip IC5, Serial E
25,6 pin of PROM storage chip IC5 are connecting resistance R4, R3 respectively, and resistance R 4, R3 meet power supply VCC again; The P2.7 of microprocessor IC1 connects 33 pin of network controller IC2; 45 pin of network controller IC2 connect capacitor C 1, while 45 pin connecting resistance R2, resistance R 2 connects 1 pin of isolating chip IC3 again, 46 pin of network controller IC2 connect capacitor C 2, while 46 pin connecting resistance R1, resistance R 1 connects 3 pin of isolating chip IC3 again, and 59 pin of network controller IC2 connect 4 pin of isolating chip IC3, and 58 pin of network controller IC2 connect 6 pin of isolating chip IC3; 51 pin of network controller IC2 meet crystal oscillator CRYSTAL2, and 51 pin meet decoupling capacitor C6 simultaneously, and 50 pin of network controller IC2 meet crystal oscillator CRYSTAL2, and 50 pin meet decoupling capacitor C7 simultaneously; CON1 links to each other with network interface card, can be connected on the Ethernet by CON1; The 96 pin connecting resistance R5 of network controller IC2; 2 pin of isolating chip IC3 connect capacitor C 3, and 8,11 pin of isolating chip IC3 meet capacitor C 8, C9 respectively, and 7,9,10,12 pin of isolating chip IC3 connect 6,3,2,1 pin of network interface CON1 respectively; 18 pin of microprocessor IC1 meet crystal oscillator CRYSTAL1, and 18 pin meet decoupling capacitor C5 simultaneously, and 19 pin of microprocessor IC1 meet crystal oscillator CRYSTAL1, and 19 pin meet decoupling capacitor C4 simultaneously; 10 pin of microprocessor IC1 connect 13 pin of level transferring chip U14, and 11 pin of microprocessor IC1 connect 35 pin of level transferring chip U14; 36 pin of level transferring chip U14 connect 155 pin of signal processor TMS320F2812, and 14 pin of level transferring chip U14 connect 157 pin of signal processor TMS320F2812; In the P1 mouth 1,2 is connected to the negative electrode of the light-emitting diode on the panel.
During the actual use of the utility model, can by between a plurality of low-voltage circuit breakers of being furnished with the multifunctional intellectual controller and the monitoring host computer by CAN Bus or (with) Ethernet links to each other, can make up different remote monitoring patterns as required flexibly and easily, multifunctional intellectual controller of the present utility model links to each other through the three-phase alternating current line of force that instrument transformer and wind-driven generator send, link to each other with CAN fieldbus network 13 by CAN bus communication module 11 simultaneously, link to each other with Ethernet 12 by TCP/IP network communication module 10.
Claims (7)
1. the controller of a used for wind power generation low-voltage circuit breaker, comprise the analog input channel, dsp processor and power module, it is characterized in that: the analog input channel comprises current signal input channel (5) and voltage signal input channel (4), current signal input channel (5), voltage signal input channel (4) links to each other with electric energy computation chip (3), current signal input channel (5) links to each other with simulation dropout module (6), the input of divide-shut brake control module (7) links to each other with the output of simulation dropout module (6) and the output of dsp processor (1) divide-shut brake control signal respectively, dsp processor (1) links to each other with the outer extension memory (8) of DSP, dsp processor (1) links to each other with Ethernet (12) through network communication module (10), dsp processor (1) links to each other with TCP/IP network communication module (10), the embedded CAN controller of DSP links to each other with CAN bus communication module (11), and CAN bus communication module (11) links to each other with CAN fieldbus network (13).
2. the controller of a kind of used for wind power generation low-voltage circuit breaker according to claim 1, it is characterized in that: current signal input channel (5) is made up of phase-shift circuit, amplitude limiter circuit and sample circuit, voltage signal input channel (4) is made up of amplitude limiter circuit, sample circuit, the current transformer output signal connects simulation dropout module (6) input after phase-shift circuit, amplitude limiter circuit, be connected to electric energy computation chip (3) through sample circuit, decoupling circuit simultaneously; The voltage transformer output signal is connected to electric energy computation chip (3) through amplitude limiter circuit, sample circuit and decoupling circuit.
3. the controller of a kind of used for wind power generation low-voltage circuit breaker according to claim 1, it is characterized in that: electric energy computation chip (3) is made of chip CS5460A, the sample circuit output signal of current signal input channel (5) and voltage signal input channel (4) is connected to CS5460A respectively, and CS5460A links to each other with PB00, PB01, the PB02 of DSP by its bidirectional linked list mouth SDI, SDO, SCLK.
4. the controller of a kind of used for wind power generation low-voltage circuit breaker according to claim 1, it is characterized in that: simulation dropout module (6) forms circuit by reference voltage and window comparator circuit is formed, current signal X1, X2, X3 in the current signal input channel (5) before the sample circuit connects 5,7 pin of operational amplifier U18,9,11 pin of operational amplifier U18 and 5,7 pin of operational amplifier U19 respectively; The 1 pin output of operational amplifier U20 connects 11 pin of 7,11 and the operational amplifier U19 of operational amplifier U18, simultaneously 6 pin that meet operational amplifier U20 through resistance R 57 carry out anti-phasely, and 4 pin of 4,8 and the operational amplifier U19 of operational amplifier U18 are received in the 7 pin output of operational amplifier U20.
5. the controller of a kind of used for wind power generation low-voltage circuit breaker according to claim 1, it is characterized in that: divide-shut brake control output module (7) is made up of optical coupling isolation circuit and output driving circuit, DSP and the sub-gate signal that sends of simulation dropout module (6) with " or " mode receive 2 pin of optocoupler U26, switching signal connects 4 pin of optocoupler U26; Output driving circuit discharges circuit D37, R87 by power tube T3, T4, induced electromotive force, and D39, R88 form, and the control end of power tube is received 7,5 pin of optocoupler respectively.
6. the controller of a kind of used for wind power generation low-voltage circuit breaker according to claim 1, it is characterized in that: CAN bus communication module (11) is made up of high speed photo coupling and CAN bus transceiver, the embedded CAN controller of DSP links to each other with high speed photo coupling U5, U6, high speed photo coupling U5, U6 link to each other with CAN bus transceiver U7 again, and CAN bus transceiver U7 links to each other with CAN bus (CANH, CANL) again.
7. the controller of a kind of used for wind power generation low-voltage circuit breaker according to claim 1 is characterized in that: TCP/IP network communication module (10) is by microprocessor IC1, network controller IC2, Serial E
2PROM chip IC 5 and separation filter IC3 form, and the data/address bus of microprocessor IC1, address bus link to each other with the least-significant byte data/address bus of network controller IC2, low 5 bit address buses respectively; Two I/O pins of microprocessor IC1 respectively with Serial E
2The 5th, 6 pin of PROM chip IC 5 link to each other; The serial ports pin of microprocessor IC1 links to each other with the serial ports pin of DSP respectively through level transferring chip U14, and network controller IC2 links to each other with network interface card CON1 via isolating chip IC3, connects Ethernet 12 by CON1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202842117U CN201576961U (en) | 2009-12-03 | 2009-12-03 | Controller of low-voltage circuit breaker for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202842117U CN201576961U (en) | 2009-12-03 | 2009-12-03 | Controller of low-voltage circuit breaker for wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576961U true CN201576961U (en) | 2010-09-08 |
Family
ID=42696832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202842117U Expired - Fee Related CN201576961U (en) | 2009-12-03 | 2009-12-03 | Controller of low-voltage circuit breaker for wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201576961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009549A (en) * | 2014-06-18 | 2014-08-27 | 遵义长征电器开关设备有限责任公司 | Intelligent controller for low-voltage intelligent circuit breaker |
| CN114063538A (en) * | 2021-12-16 | 2022-02-18 | 江苏现代电力科技股份有限公司 | Intelligent control circuit of circuit breaker |
-
2009
- 2009-12-03 CN CN2009202842117U patent/CN201576961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009549A (en) * | 2014-06-18 | 2014-08-27 | 遵义长征电器开关设备有限责任公司 | Intelligent controller for low-voltage intelligent circuit breaker |
| CN114063538A (en) * | 2021-12-16 | 2022-02-18 | 江苏现代电力科技股份有限公司 | Intelligent control circuit of circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101355575B (en) | System and method for monitoring civil engineering strained base on CAN network | |
| CN201466798U (en) | Multifunctional site measurement and control device | |
| WO2014090018A1 (en) | Iec61850 standard-based intelligent power distribution terminal | |
| CN103200280B (en) | Transformer station process layer interface equipment | |
| CN200997372Y (en) | Network intelligent controller of low-voltage circuit breaker | |
| CN201576961U (en) | Controller of low-voltage circuit breaker for wind power generation | |
| CN101854054B (en) | Bus protection system of transformer station and protection method thereof | |
| CN101241636B (en) | Communication protocols converter for electrical energy metering, charging and meter reading system | |
| CN204794371U (en) | Distribution network intelligence feeder terminal based on embedded many ARM | |
| CN104362636B (en) | Based on micro-power grid measuring-controlling system of IP and multi-agent technology | |
| CN105305602A (en) | Standby power system of railway digital traction substation and automatic switching method of standby power system | |
| CN106506656A (en) | A kind of data communication system based on electronic information technology | |
| CN207134870U (en) | A kind of taiwan area residual current action breaker supervising device | |
| CN102130505A (en) | High-voltage switch controller with metering function | |
| CN104135066A (en) | Intelligent substation system | |
| CN109388903A (en) | Real-time simulation platform modeling and simulating method based on IEC61850 standard | |
| CN100424965C (en) | The communication method of the distributed PC bus protection without the main station | |
| CN202009265U (en) | High-voltage switch controller with metering function | |
| CN204720991U (en) | Based on the intelligent box substation compensating cabinet of GPRS | |
| CN205942332U (en) | Low pressure vacuum circuit breaker control system based on bistable state permanent magnetic mechanism | |
| CN204441972U (en) | Multifunctional vehicle mounted charge control system | |
| CN204597488U (en) | Based on the intelligent low-pressure distribution JP compensating cabinet of GPRS | |
| CN206479799U (en) | A kind of one-end substation bus Rapid self-healing device | |
| CN201656455U (en) | Low-current grounding line selection device based on FT3 transport protocol | |
| CN207884361U (en) | distribution automation terminal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20121203 |