CN203104120U - Integrated intelligent phase selection, measurement and control device - Google Patents
Integrated intelligent phase selection, measurement and control device Download PDFInfo
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- CN203104120U CN203104120U CN 201320089062 CN201320089062U CN203104120U CN 203104120 U CN203104120 U CN 203104120U CN 201320089062 CN201320089062 CN 201320089062 CN 201320089062 U CN201320089062 U CN 201320089062U CN 203104120 U CN203104120 U CN 203104120U
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Abstract
The utility model discloses an integrated intelligent phase selection, measurement and control device, comprising a case and a control panel, wherein the control panel is positioned at the front side of the case; a bus rear panel is arranged in the case; and a device module comprises a power supply module, an analog quantity acquisition module, an analog-to-digital converter (ADC) module, a main central processing unit (CPU) module, a direct current flow AI module, an input/output module, a locking module, an operation plug-in module, a current maintaining module, a GOOSE module and a man-machine interface module which are inserted in the bus rear panel. The integrated intelligent phase selection, measurement and control device can perform accurate compensation on the on/off time of a circuit breaker, has the advantages of high phase selection precision and high practicability, realizes integrated design of intelligent phase selection, intelligent terminal and measurement and control by integrating measurement and control and intelligent terminal functions, optimizes secondary loop design, reduces the cost, is energy-saving and environment-friendly, and has good application prospect.
Description
Technical field
The utility model relates to a kind of circuit breaker of controlling and selects the phase measure and control device at the integral intelligent of optimum phase angle punishment combined floodgate, belongs to Automation of Electric Systems and measures and the control technology field.
Background technology
Measure and control device is realized transformer station's measurement and controlled function at interval.Three-phase voltage, residual voltage, three-phase current, zero-sequence current, the analog acquisition of synchronous voltage electric parameters, calculating in the circuit measure and control device of main flow producer has all been realized at interval both at home and abroad at present, the collection of state quantity signal, straighforward operation, synchronous operation, the anti mis-closedown function of standing entirely.But have the following disadvantages:
Measure and control device, intelligent terminal are the device of two platform independent, finish the mutual of information by the network switch.Cost height, secondary circuit design complexity.
The breaker operator that present measure and control device is realized has only been realized the judgement of five-defence block logic and asynchronous switch-on, does not carry out the judgement of best divide-shut brake phase angle, does not promptly have phase-selecting function.
Special-purpose at present choosing is installed mutually owing to be subjected to hardware resource limitations, selects the phase precision not high, and does not possess circuit breaker parameters real-Time Compensation function.
The circuit breaker arbitrary phase is carried out breaking-closing operating and can be produced overvoltage and shove, may jeopardize the stability of power equipment insulating properties and electric power system, also can disturb near the highly sensitive electric equipment operate as normal on the loop or loop, therefore realize that integral intelligent selects the phase measure and control device to have important practicability meaning.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, the integral intelligent that provides selects the phase measure and control device, by the circuit-breaker switching on-off time is compensated, phase-selecting function has precision height, real-time advantage, optimized the secondary circuit design, reduced cost, energy-conserving and environment-protective have a good application prospect.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of integral intelligent selects the phase measure and control device, comprises cabinet and control panel, and described control panel is positioned at the front side of cabinet, is provided with bus backplane in the described cabinet, it is characterized in that: also comprise
The analog acquisition module is used to gather three-phase current, the three-phase voltage of input, the ac analog of synchronous voltage;
The ADC module, the ac analog that is used for gathering carries out filtering, sampling and A/D conversion;
The host CPU module is used for processing data information, finishes the measurement logic, the remote signalling logic, the remote control logic, the same period logic, the anti-misoperation locking logic of standing entirely, intelligence is selected phase logic, the intelligent management logic;
DC quantity AI module is used for gathering and handling DC quantity;
Open into leaving module, wherein open into module and be used for gathering and handle the remote signalling amount; Leaving module is used to receive the guidance command that the host CPU module sends and realizes leaving control and treatment;
The locking module is used for the five-defence block node output at full station;
The operation card module is used to finish circuit breaker breaker tripping and closing export operation;
Electric current keeps module, is used to provide three-phase tripping operation, switching current self-holding circuit;
Described each module is plugged on the bus backplane, described DC quantity AI module, leave between module, locking module, operation card module and the host CPU module by the CAN bus carry out information alternately, it is mutual that described ADC module and host CPU module carry out high-speed real-time by the SPORT interface.
Aforesaid integral intelligent selects the phase measure and control device; it is characterized in that: described device module also comprises power supply module and GOOSE module; described GOOSE module comprises four groups of FT3 interfaces or four groups of ETH network interfaces, is used to receive the described GOOSE module of GOOSE trip signal of self-shield equipment to carry out the mutual of information by CAN bus and host CPU module.
Aforesaid integral intelligent selects the phase measure and control device, it is characterized in that: described host CPU module comprises
Logical process DSP module is used to finish measurement, remote signalling, remote control, five-defence block logic, same period logic, selects the processing of phase logic;
Zero passage detection FPGA module is used for detecting in real time the zero passage square-wave signal, and the zero passage of record three-phase voltage, three-phase current constantly;
Intelligent management PPC module, finish configuration management, definite value parameter management, communication management, GPS to the time, and sample learning, intelligence learning, intelligent growth intelligence select the phase auxiliary logic;
Described logical process DSP module, intelligent management PPC module are carried out information interaction by the dual port RAM of inside.
Aforesaid integral intelligent selects the phase measure and control device, it is characterized in that: described DC quantity AI module by transmitter to circuit breaker ambient temperature, operating voltage, SF6 gas pressure, divide-shut brake current status amount on-line monitoring.
Aforesaid integral intelligent selects the phase measure and control device, it is characterized in that: described operation card module is provided with close a floodgate the mutually outlet and one road closing loop integrity monitors, the pressure monitoring loop of circuit breaker operation mechanism of outlet, a component of tripping mutually of two components.
Aforesaid integral intelligent selects the phase measure and control device, it is characterized in that: described electric current keeps module to be provided with three-phase tripping operation, switching current self-holding circuit, keep the breaker tripping and closing holding current in loop to adjust by adjustable resistance, described electric current keeps module also to reserve the heavy movable contact input of two-way.
Aforesaid integral intelligent selects the phase measure and control device, it is characterized in that: described control panel comprises LCD, button, signal lamp and Ethernet interface, and described man-machine interface module is finished liquid crystal display, button processing, signal lamp processing.
Usefulness of the present utility model is: integral intelligent of the present utility model selects the phase measure and control device, has the following advantages:
(1) measure and control device of the present utility model is integrated intelligent terminal function and phase-selecting function reduced cost, optimized secondary circuit design, energy-conserving and environment-protective;
(2) voltage of the present utility model, current over-zero detect constantly to be cooperated with zero passage detection FPGA by the zero crossing circuits for triggering and finish, and have precision height, real-time advantage;
(3) owing to the circuit-breaker switching on-off time can change along with ambient temperature, operating voltage, divide-shut brake electric current factors vary, the utility model can compensate the circuit-breaker switching on-off time circuit breaker ambient temperature, operating voltage, SF6 gas pressure, divide-shut brake current status amount on-line monitoring;
(4) the utility model carries out sample extraction to circuit breaker parameter characteristic curve, form sample curve, can sample curve be extracted and match according to the circuit breaker parameter of real time on-line monitoring, obtain circuit-breaker switching on-off time-parameters compensation rate accurately, finish the sample learning process; And for the operation of each circuit-breaker switching on-off, by back production circuit breaker position signal and voltage, electric current divide-shut brake phase angle constantly, record circuit breaker actual act track is finished intelligence learning; Sample data is compensated automatically, form after the new correction sample curve and finish intelligent growth intelligence and select the phase miscellaneous function, have a good application prospect.
Description of drawings
Fig. 1 is the structure chart that integral intelligent of the present utility model selects the phase measure and control device.
Fig. 2 is the main menu dendrogram of LCD of the present utility model.
Fig. 3 is a hardware principle schematic diagram of the present utility model.
The implication of mark is as follows in the accompanying drawing:
1: cabinet; 2: control panel; 3: LCD; 4: button; 5: signal lamp; 6: Ethernet interface.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done concrete introduction.
As shown in Figure 1, integral intelligent of the present utility model selects the phase measure and control device, comprise cabinet 1 and control panel 2, control panel 2 is positioned at the front side of cabinet 1, be provided with bus backplane in the cabinet 1, control panel 2 comprises LCD 3, button 4, signal lamp 5 and Ethernet interface 6, LCD 3 is 320 * 240 lattice lcds screens, button 4 comprises keyboard and 4 function keys of one 8 key, signal lamp 5 comprises 6 double-colored signal lamps, the 100 m ethernet interface of Ethernet interface 6 for being used for debugging with PC.
As shown in Figure 2, LCD 3 shows main wiring diagram and menu, shows main wiring diagram in normal operation, enter main menu by definite key, when remote signalling displacement or Self-Check Report, can eject SOE report or corresponding self check information automatically, be provided with 9 one-level menus, be respectively: 1) information inspection; 2) report shows; 3) parameter tuning; 4) local command; 5) printing function; 6) debugging menu; 7) default; 8) select the phase menu; 9) help menu.
As shown in Figure 3, integral intelligent of the present utility model selects the phase measure and control device also to comprise the analog acquisition module, is used to gather three-phase current, three-phase voltage, the synchronous voltage of input;
The ADC module, the ac analog that is used for gathering carries out filtering, sampling and A/D conversion;
The host CPU module is used for processing data information, finishes the measurement logic, the remote signalling logic, the remote control logic, the same period logic, the anti-misoperation locking logic of standing entirely, intelligence is selected phase logic, management function;
DC quantity AI module is used for gathering and handling DC quantity, and on-line monitoring circuit-breaker status amount, circuit-breaker status amount comprise temperature, operating voltage, SF6 gas pressure, divide-shut brake electric current;
Locking BS module is used for the five-defence block node output at full station;
Open into leaving module, comprise respectively and open into the BI module, leave the BO module, open into leaving and mix the BIO module, open into module and be used for gathering and handling the remote signalling amount; Leave module and be used to receive the host CPU guidance command and realize leaving control and treatment;
Operation plug-in unit TJQ module is provided with two components close a floodgate the mutually pressure monitoring loop of outlet and the supervision of one road closing loop integrity, circuit breaker operation mechanism of outlet, a component of tripping mutually;
Electric current keeps the TBJ module, is provided with three-phase tripping operation, switching current self-holding circuit, keeps being provided with in the loop adjustable resistance of the breaker tripping and closing holding current of adjusting, and reserves the heavy movable contact input of two-way;
More than each module be plugged on the bus backplane, wherein locking BS module, DC quantity AI module, open into leave module, operation plug-in unit TJQ module is chip card, comprises Microchip DSP module, by CAN bus and host CPU module finish information alternately; LCD 3, button 4, signal lamp 5 are connected with the man-machine interface module by core bus, and Ethernet interface 6 is connected with host CPU by core bus.
The utility model also comprises power supply PWR module and GOOSE(intelligent terminal) module; GOOSE comprises the PPC module; communication process FPGA module; four groups of FT3 interfaces or four groups of ETH ports; be used to receive the GOOSE trip signal of self-shield equipment;, GOOSE module and host CPU module are finished the mutual of information by the CAN bus.
Described host CPU module comprises logical process DSP module, is used to finish measurement, remote signalling, remote control, five-defence block logic, same period logic, selects the processing of phase logic;
Zero passage detection FPGA module, comprise zero-cross triggering circuit and zero passage detection FPGA processing module, zero-cross triggering circuit sampled voltage, current signal, the constantly synchronous square-wave signal of output zero passage, FPGA detects the zero passage square-wave signal in real time, the accurate zero passage of record three-phase voltage, three-phase current because the FPGA error is better than 1 microsecond (phase error is better than 0.018 degree), has guaranteed to select the precision and the real-time of phase constantly;
Intelligent management PPC module, be used to finish configuration management, definite value parameter management, communication management, GPS synchronously, sample learning, intelligence learning, intelligence grow up;
Logical process DSP module, intelligent management PPC module are carried out information interaction by inner dual port RAM is set.
Operation principle of the present utility model is as follows: the ADC module is to the three-phase current of analog acquisition module input, three-phase voltage, the synchronous voltage of ac carries out filtering (removing interference signal), input host CPU module after sampling and the A/D conversion, remote signalling BI module is gathered circuit breaker, function pressing plate information such as position signals such as disconnecting link and turnaround of unit, DC quantity AI module is gathered circuit breaker parameter (temperature, operating voltage, the breaker tripping and closing electric current), the circuit breaker parameter is transformed into DC quantity information by transmitter, finish collection and processing by DC quantity AI module, logical process DSP module is finished the software frequency-tracking in the host CPU module, Lagrange's interpolation resamples, the FFT computing, voltage, electric current, frequency, steady-state quantities such as power calculate, select phase logic to handle, the on-line monitoring processing and the guidance command of amount is in real time handled, management PPC has sample learning in the host CPU module, intelligence learning, intelligence growth intelligence is selected the phase miscellaneous function, the sample learning process is carried out sample extraction to circuit breaker parameter characteristic curve, form sample curve, and according to the circuit breaker parameter of real time on-line monitoring sample curve is extracted and match, obtain circuit-breaker switching on-off time and branch wire time parameter compensation rate; The intelligence learning process is operated for each circuit-breaker switching on-off, by back production circuit breaker position signal and voltage, electric current divide-shut brake phase angle constantly, record circuit breaker actual act track; The sample developmental process compensates automatically to sample data, forms sample curve after the new correction.Select the fine compensation of phase miscellaneous function realization by sample learning, intelligence learning, intelligence growth intelligence to the circuit-breaker switching on-off time-parameters.
The utility model adopts the anti-aliasing low pass filter of simulation; the high speed analog sampling; software technology of frequency tracking; Lagrange sample interpolation technology etc.; the frequency error that records is better than the 0.001Hz(phase error and is better than 0.0072 degree); zero crossing voltage; the detection of electric current is cooperated by zero-cross triggering circuit and zero passage detection FPGA module to be finished; the zero-cross triggering circuit output voltage; the square-wave signal that current over-zero is constantly synchronous; finish the detection of zero crossing pulse edge by zero passage detection FPGA module; zero passage detection FPGA module error is better than 1 microsecond (phase error is better than 0.018 degree); guaranteed the precision that zero passage detects constantly; PPC passes through sample learning; intelligence learning; the intelligence developmental process provides intrinsic branch wire time parameter of circuit breaker (Tgd) and accurate circuit breaker parameters compensation rate (△ Tdi) to select the phase parameter; and will select the phase parameter to return module to logical process DSP; after logical process DSP module receives guidance command or the protection breaker tripping and closing order from the GOOSE module; breaker tripping and closing according to configuration select facies model (as the zero crossing electric current; zero crossing voltage; stationary phase is selected facies model) enter and select the phase handling process accordingly, carry out the calculating of best branch wire time and leading time.
Select phase branch wire time and leading time to consider the intrinsic divide-shut brake parameter of inherent delay (Tgz), circuit breaker (Tgd) of exit relay and temperature, operating voltage, the breaker tripping and closing electric current that influences the intrinsic branch wire time of circuit breaker compensated, global error is little, and the divide-shut brake phase angle can be zero passage voltage combined floodgate, zero current cross separating brake by parameter tuning, fixedly the phase angle divide-shut brake selects facies model, adapts to the demand of different occasions such as electric power system main transformer, circuit, capacitor divide-shut brake.Two components that the provide operation plug-in unit TJQ module outlet of tripping mutually, the component outlet of closing a floodgate mutually, electric current maintenance TBJ module provides three-phase breaker tripping and closing electric current maintenance loop.
More than show and described basic principle of the present utility model, principal character and advantage.The technical staff of the industry should understand, and the foregoing description does not limit the utility model in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in the protection range of the present utility model.
Claims (7)
1. an integral intelligent selects the phase measure and control device, comprises cabinet and control panel, and described control panel is positioned at the front side of cabinet, is provided with bus backplane in the described cabinet, it is characterized in that: also comprise
The analog acquisition module is used to gather three-phase current, the three-phase voltage of input, the ac analog of synchronous voltage;
The ADC module, the ac analog that is used for gathering carries out filtering, sampling and A/D conversion;
The host CPU module is used for processing data information, finishes the measurement logic, the remote signalling logic, the remote control logic, the same period logic, the anti-misoperation locking logic of standing entirely, intelligence is selected phase logic, the intelligent management logic;
DC quantity AI module is used for gathering and handling DC quantity;
Open into leaving module, wherein open into module and be used for gathering and handle the remote signalling amount; Leaving module is used to receive the guidance command that the host CPU module sends and realizes leaving control and treatment;
The locking module is used for the five-defence block node output at full station;
The operation card module is used to finish circuit breaker breaker tripping and closing export operation;
Electric current keeps module, is used to provide three-phase tripping operation, switching current self-holding circuit;
Described each module is plugged on the bus backplane, described DC quantity AI module, leave between module, locking module, operation card module and the host CPU module by the CAN bus carry out information alternately, it is mutual that described ADC module and host CPU module carry out high-speed real-time by the SPORT interface.
2. integral intelligent according to claim 1 selects the phase measure and control device; it is characterized in that: described device module also comprises power supply module and GOOSE module; described GOOSE module comprises four groups of FT3 interfaces or four groups of ETH network interfaces; be used to receive the GOOSE trip signal of self-shield equipment, described GOOSE module carries out the mutual of information by CAN bus and host CPU module.
3. integral intelligent according to claim 1 selects the phase measure and control device, it is characterized in that: described host CPU module comprises
Logical process DSP module is used to finish measurement, remote signalling, remote control, five-defence block logic, same period logic, selects the processing of phase logic;
Zero passage detection FPGA module is used for detecting in real time the zero passage square-wave signal, and the zero passage of record three-phase voltage, three-phase current constantly;
Intelligent management PPC module, finish configuration management, definite value parameter management, communication management, GPS to the time, and sample learning, intelligence learning, intelligent growth intelligence select the phase auxiliary logic;
Described logical process DSP module, intelligent management PPC module are carried out information interaction by the dual port RAM of inside.
4. integral intelligent according to claim 1 selects the phase measure and control device, it is characterized in that: described DC quantity AI module by transmitter to circuit breaker ambient temperature, operating voltage, SF6 gas pressure, divide-shut brake current status amount on-line monitoring.
5. integral intelligent according to claim 1 selects the phase measure and control device, it is characterized in that: described operation card module is provided with close a floodgate the mutually outlet and one road closing loop integrity monitors, the pressure monitoring loop of circuit breaker operation mechanism of outlet, a component of tripping mutually of two components.
6. integral intelligent according to claim 1 selects the phase measure and control device, it is characterized in that: described electric current keeps module to be provided with three-phase tripping operation, switching current self-holding circuit, keep the breaker tripping and closing holding current in loop to adjust by adjustable resistance, described electric current keeps module also to reserve the heavy movable contact input of two-way.
7. integral intelligent according to claim 1 selects the phase measure and control device, it is characterized in that: described control panel comprises LCD, button, signal lamp and Ethernet interface, and described man-machine interface module is finished the processing of liquid crystal display, button processing, signal lamp.
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|---|---|---|---|
| CN 201320089062 CN203104120U (en) | 2013-02-27 | 2013-02-27 | Integrated intelligent phase selection, measurement and control device |
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| CN 201320089062 CN203104120U (en) | 2013-02-27 | 2013-02-27 | Integrated intelligent phase selection, measurement and control device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149865A (en) * | 2013-03-13 | 2013-06-12 | 绍兴电力局 | High-precision phase-selection control device |
| CN104022572A (en) * | 2014-06-04 | 2014-09-03 | 上海电气集团股份有限公司 | Measuring and control device with network communication function |
| CN104333137A (en) * | 2014-11-19 | 2015-02-04 | 国电南瑞科技股份有限公司 | Ultrahigh voltage protection multifunctional and integrated device |
| CN104333129A (en) * | 2014-09-04 | 2015-02-04 | 国电南瑞科技股份有限公司 | Microgrid area protection and control integrated device and method thereof |
| CN104333138A (en) * | 2014-11-19 | 2015-02-04 | 国电南瑞科技股份有限公司 | High-voltage protection, measurement and control multifunctional integrated device |
| CN105513903A (en) * | 2015-12-03 | 2016-04-20 | 平高集团有限公司 | Debugging platform of circuit breaker |
| CN107404111A (en) * | 2017-09-12 | 2017-11-28 | 南京国电南自电网自动化有限公司 | A kind of the protection measurement and control integration device and its method of work of the maintenance that can not have a power failure |
| CN110729711A (en) * | 2018-07-17 | 2020-01-24 | 国网江苏省电力有限公司常州供电分公司 | Phase selection switching-on and switching-off control device |
| CN114301073A (en) * | 2021-12-09 | 2022-04-08 | 明阳智慧能源集团股份公司 | Virtual synchronous generator field control platform equipment for wind power plant power generation control |
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2013
- 2013-02-27 CN CN 201320089062 patent/CN203104120U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149865A (en) * | 2013-03-13 | 2013-06-12 | 绍兴电力局 | High-precision phase-selection control device |
| CN104022572A (en) * | 2014-06-04 | 2014-09-03 | 上海电气集团股份有限公司 | Measuring and control device with network communication function |
| CN104333129B (en) * | 2014-09-04 | 2017-04-05 | 国电南瑞科技股份有限公司 | A kind of micro-capacitance sensor locality protection controls the intelligent allocation method of integrated apparatus |
| CN104333129A (en) * | 2014-09-04 | 2015-02-04 | 国电南瑞科技股份有限公司 | Microgrid area protection and control integrated device and method thereof |
| CN106685090A (en) * | 2014-09-04 | 2017-05-17 | 国电南瑞科技股份有限公司 | Plug-in online detection method for micro-grid regional protection and control integrated device |
| CN107069677A (en) * | 2014-09-04 | 2017-08-18 | 国电南瑞科技股份有限公司 | The protection priority dynamically distributes and seamless handover method of a kind of micro-capacitance sensor locality protection control integrated apparatus |
| CN107069677B (en) * | 2014-09-04 | 2019-03-08 | 国电南瑞科技股份有限公司 | A kind of the protection priority dynamic allocation and seamless handover method of micro-capacitance sensor locality protection control integrated apparatus |
| CN106685090B (en) * | 2014-09-04 | 2019-06-25 | 国电南瑞科技股份有限公司 | A kind of plug-in unit online test method of micro-capacitance sensor locality protection control integrated apparatus |
| CN104333138A (en) * | 2014-11-19 | 2015-02-04 | 国电南瑞科技股份有限公司 | High-voltage protection, measurement and control multifunctional integrated device |
| CN104333137A (en) * | 2014-11-19 | 2015-02-04 | 国电南瑞科技股份有限公司 | Ultrahigh voltage protection multifunctional and integrated device |
| CN105513903A (en) * | 2015-12-03 | 2016-04-20 | 平高集团有限公司 | Debugging platform of circuit breaker |
| CN107404111A (en) * | 2017-09-12 | 2017-11-28 | 南京国电南自电网自动化有限公司 | A kind of the protection measurement and control integration device and its method of work of the maintenance that can not have a power failure |
| CN110729711A (en) * | 2018-07-17 | 2020-01-24 | 国网江苏省电力有限公司常州供电分公司 | Phase selection switching-on and switching-off control device |
| CN114301073A (en) * | 2021-12-09 | 2022-04-08 | 明阳智慧能源集团股份公司 | Virtual synchronous generator field control platform equipment for wind power plant power generation control |
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Granted publication date: 20130731 |