CN103872758A - Power supply dynamic loop controlling and monitoring system - Google Patents

Power supply dynamic loop controlling and monitoring system Download PDF

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Publication number
CN103872758A
CN103872758A CN201410113081.6A CN201410113081A CN103872758A CN 103872758 A CN103872758 A CN 103872758A CN 201410113081 A CN201410113081 A CN 201410113081A CN 103872758 A CN103872758 A CN 103872758A
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Prior art keywords
power supply
control
power
circuit
medium frequency
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CN201410113081.6A
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CN103872758B (en
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刘钰琼
景月
祝贺利
陈海军
王宝新
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Shenyang Aerospace Xinguang Group Co Ltd
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Shenyang Aerospace Xinguang Group Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/248UPS systems or standby or emergency generators

Abstract

The invention relates to a power supply dynamic loop controlling and monitoring system. Three 400 Hz and 220 V outer input three-phase alternating-current power sources are transferred to electric equipment in four modes through a power supply dynamic loop system. The outer input power sources of outer intermediate-frequency power generation devices are rectified to provide a 27 V direct-current power source for the system, and meanwhile three-phase power source indexes of the system and indexes of rectified direct-current voltage are monitored. The power supply dynamic loop controlling and monitoring system is suitable for short-range or long-range ceaseless power supply transferring control of the multiple intermediate-frequency power generation devices, can control power supply control and the power supply working state of any kind of intermediate-frequency power generation device in a short range or long range in an interlocked mode and meanwhile can cut off control of the intermediate-frequency power generation device with power supply failing. Finally, failure indication of the intermediate-frequency power generation devices is displayed through a display device, and meanwhile the system can measure alternating-current voltage values and frequency values of the outer intermediate-frequency power generation devices and measure a direct-current voltage value of a master control power source in the system.

Description

Power supply power recirculates control supervisory control system
Technical field
The present invention relates to a kind of power supply monitoring system, relate in particular to a kind of power supply power recirculates control supervisory control system, be applicable to the control monitoring of medium frequency electric generating field electric power system.
Background technology
Power supply control supervisory control system is the equipment that is independent of three road 400Hz, 220V and inputs three-phase alternating-current supply outward, is mainly used at home ground installation with advantages such as its volume are little, lightweight.But in prior art, the three road medium frequency electric generating equipment of cannot realizing turn the control and the monitoring that are fed to power consumption equipment, and the operation of outside medium frequency electric generating equipment and feeder line thereof exists potential safety hazard.And, can not monitor in real time the indices of outside medium frequency electric generating equipment.In use procedure, interference signal is strong, and poor reliability, data are easily lost.
Summary of the invention
The present invention is directed to the demand that three road medium frequency electric generating equipment turn the control and the monitoring that are fed to power consumption equipment, a kind of distribution and protection, the measurement of outside medium frequency electric generating device power supply (DPS) and power supply power recirculates control supervisory control system of monitoring of controlling power supply conversion, controlling power supply of collecting is provided.Solve the problem that cannot realize three road medium frequency electric generating equipment in prior art and turn the control and the monitoring that are fed to power consumption equipment.
Technical scheme of the present invention is as follows:
Comprise primary power source, secondary power supply, turn supply control unit, detecting unit, logic control element, electric current distribution and protected location and measuring unit; Primary power source, secondary power supply are powered to unit; The input of measuring unit connects the output of outside medium frequency electric generating equipment, and the output of measuring unit connects detecting unit, and the output connection of detecting unit turns supply control unit; Turn the information that supply control unit receives detecting unit, electric current distribution and protected location, and control information is delivered to power recirculates control actuator, display console, logic control element, turn supply control unit and accept the control information from display console simultaneously; Measuring unit, logic control element and turn power supply unit connect display console.
Described primary power source is by outside medium frequency electric generating equipment San road 400Hz, 220V power rectifier becomes 27V direct current and Hot Spare is to system power supply each other with the 24V DC power supply of outside input, and secondary power supply is to convert primary power source to the required 5V of internal circuit, ± 12V, 27V stabilized power supply.
The described supply control unit that turns comprises power supply conversion control circuit and data processing circuit, and what turn that supply control unit completes three road medium frequency electric generating equipment uninterruptedly turns power supply control; Turning supply control unit completes three road medium frequency electric generating equipment and turns by power supply power recirculates system the power supply control that turns that is fed to power consumption equipment with four kinds of patterns.
Four kinds of described patterns comprise the power supply control that turns for a single road in three road medium frequency electric generating equipment, amount to three kinds of patterns; The concurrent working of the fixing unique two kinds of equipment in the 4th kind of pattern Wei San road medium frequency electric generating equipment turn power supply control; All there is distance control mode and local control pattern in described four kinds of patterns, and two kinds of patterns are chain each other.
The described supply control unit that turns comprises master microprocessor and microprocessor for subsequent use, and the input of master microprocessor connects level conversion buffer circuit I, and the output of master microprocessor connects decoding circuit I and output driving circuit; The input of microprocessor for subsequent use connects level conversion buffer circuit II, and the output of microprocessor for subsequent use connects decoding circuit II and output driving circuit; The output connecting communication circuit of decoding circuit I and decoding circuit II; Communication checking module connects respectively master microprocessor and microprocessor for subsequent use.
Described detecting unit completes voltage, frequency, the phase sequence of outside medium frequency electric generating equipment output end, the online detection of insulation, in real time the abnormal signal occurring in the outside medium frequency electric generating equipment power supply in any road is sent to corresponding faulty indication, cut off abnormal control signal simultaneously.
Described logic control element is integrated in failure warning information-processing circuit, and logic control element adopts the micro-chip processor with supervisory circuit, and micro-chip processor comprises watchdog circuit, power failure monitoring and reset circuit; The power-on self-test of logic control element completion system; Logic control element completes outside medium frequency electric generating equipment fault signal is carried out to data acquisition, data decoding, data communication and the transmission of failure code data; Logic control element complete the instruction of outside medium frequency electric generating equipment power supply conversion and control collection, level conversion and photoelectricity isolation, data transmission, drive requirements amplification and transmission by output; Logic control element is arranged with photoelectrical coupler at signal acquisition part.
Described logic control element adopts AC/DC, F/V, DC/DC translation circuit, reference voltage source adopts serial voltage regulation circuit, the direct voltage of alternating voltage, frequency and the internal system control general supply of the outside medium frequency electric generating equipment of monitoring in real time, monitor the power supply index of outside medium frequency electric generating equipment and the power supply index of internal system, in time the inside and outside power quality of reponse system simultaneously.
Described electric current distributes and protected location employing secondary DC power supply bidirectional protective, and Reverse Current Protection circuit carries out Reverse Current Protection to first order master control power supply, and current foldback circuit, according to the demand of system control power supply, is realized the overcurrent protection of second level control power supply.
Described measuring unit adopts measuring circuit to measure ac voltage and the frequency values of outside medium frequency electric generating equipment, and the DC voltage value of measuring system internal control power supply; The direct voltage of described control power supply is the direct current 27V power supply of external dc power 24V or rectification circuit rectification.
The advantageous effect of this practicality invention is as follows:
1, adopt the mode of second class protection, the general supply of Protection control system and each branch road control power supply, the present invention has realized control power supply in intrasystem cascade protection, and power protection is considered more thoughtful, perfect.
2, the control mode of the fault message of the voltage of the outside medium frequency electric generating equipment of employing parallel receive, frequency, phase sequence, insulation, overload, the present invention realizes the real-time online parallel measurement of outside medium frequency electric generating device fault information, the dual processor storage that backups each other in real time, has more effectively guaranteed the safe operation of outside medium frequency electric generating equipment and feeder line thereof.
3, adopt accurate AC/DC, F/V, DC/DC translation circuit, the direct voltage of alternating voltage, frequency and the internal system control general supply of the outside medium frequency electric generating equipment of monitoring in real time, the main power source index of the outside medium frequency electric generating equipment of effective monitoring and the power supply index of internal system, the in time inside and outside power quality of reponse system.
4, adopt the micro-chip processor with supervisory circuit, the present invention uses watchdog circuit, power failure monitoring and the reset circuit of single chip microcomputer system, makes system compacter, has effectively overcome interference signal, has improved the reliability of system.
5, adopt and increase photoelectrical coupler in signals collecting part and filter spike, the present invention utilizes the micro-chip processor rejected program of supervisory circuit to run and flies and power-off problems, prevents the easy Loss of significant data after power down.
Accompanying drawing explanation
Fig. 1 is structural principle schematic block diagram of the present invention.
Fig. 2 is the structural principle schematic block diagram that turns supply control unit of the present invention.
Embodiment
The present invention, with reference to accompanying drawing, in conjunction with specific embodiments, is described in detail as follows.
Embodiment
Comprise primary power source, secondary power supply, turn supply control unit, detecting unit, logic control element, electric current distribution and protected location and measuring unit; Primary power source, secondary power supply are powered to unit; The input of measuring unit connects the output of outside medium frequency electric generating equipment, and the output of measuring unit connects detecting unit, and the output connection of detecting unit turns supply control unit; Turn the information that supply control unit receives detecting unit, electric current distribution and protected location, and control information is delivered to power recirculates control actuator, display console, logic control element, turn supply control unit and accept the control information from display console simultaneously; Measuring unit, logic control element and turn power supply unit connect display console.
Described primary power source is rectified into 27V direct current the 24V DC power supply Hot Spare power supply to the device each other with outside input by input three-phase alternating-current supply outward from outside medium frequency electric generating equipment San road 400Hz, 220V, and secondary power supply is to convert primary power source to the required 5V of internal circuit, ± 12V, 27V stabilized power supply.
Described outside medium frequency electric generating equipment turn supply control unit, process the data message that the power supply state of the control actuator of power recirculates system is carried out with data processing circuit, what complete three road medium frequency electric generating equipment with power supply conversion control circuit uninterruptedly turns power supply control; The three road medium frequency electric generating equipment that complete turn by power supply power recirculates system the power supply control that turns that is fed to power consumption equipment with four kinds of patterns, comprise local control and Long-distance Control, and two kinds of controls are chain each other; Complete the monitoring of the powered operation state of any one medium frequency electric generating equipment of short range or remote monitoring, comprise power supply instruction connection, power supply instruction disconnection, powered operation status fault, cut off at any time the equipment that power supply is broken down.
Four kinds of described patterns comprise the power supply control that turns for a single road in three road medium frequency electric generating equipment, amount to three kinds of patterns; The concurrent working of the fixing unique two kinds of equipment in the 4th kind of pattern Wei San road medium frequency electric generating equipment turn power supply control.All there is distance control mode and local control pattern in described four kinds of patterns, and two kinds of patterns are chain each other.
The described supply control unit that turns comprises master microprocessor and microprocessor for subsequent use, and the input of master microprocessor connects level conversion buffer circuit I, and the output of master microprocessor connects decoding circuit I and output driving circuit; The input of microprocessor for subsequent use connects level conversion buffer circuit II, and the output of microprocessor for subsequent use connects decoding circuit II and output driving circuit; The output connecting communication circuit of decoding circuit I and decoding circuit II; Communication checking module connects respectively master microprocessor and microprocessor for subsequent use.
Described detecting unit completes voltage, frequency, the phase sequence of outside medium frequency electric generating equipment output end, the online detection of insulation, in real time the abnormal signal occurring in the outside medium frequency electric generating equipment power supply in any road is sent to corresponding faulty indication, cut off abnormal control signal simultaneously.
At outside medium frequency electric generating equipment output end, three-phase voltage detecting unit is set, for judging the voltage indexes of medium frequency electric generating equipment output voltage, power recirculates system provides voltage over standard protection, data processing circuit automatic cut-off power power supply unit off quality turn power supply control; Outside medium frequency electric generating equipment output end arranges frequency detecting unit and detects for outside medium frequency electric generating device frequency, and power recirculates system provides the frequency protection that exceeds standard; Outside medium frequency electric generating equipment output end arranges the detection of phase sequence detecting unit for outside medium frequency electric generating equipment feeder voltage phase sequence, and power recirculates system provides phase sequence open circuit protection; Outside medium frequency electric generating equipment output end arranges insulation resistance detecting unit realizes the detection of outside medium frequency electric generating equipment feeder line insulation against ground resistance, and power recirculates system provides the insulation protection that exceeds standard.
Described logic control element is integrated in failure warning information-processing circuit, and logic control element adopts the micro-chip processor with supervisory circuit, and micro-chip processor comprises watchdog circuit, power failure monitoring and reset circuit; The power-on self-test (comprising whether secondary power supply and each detecting unit normally work) of logic control element completion system; Logic control element completes outside medium frequency electric generating equipment fault signal is carried out to data acquisition, data decoding, data communication and the transmission of failure code data; Logic control element complete the instruction of outside medium frequency electric generating equipment power supply conversion and control collection, level conversion and photoelectricity isolation, data transmission, drive requirements amplification and transmission by output; Logic control element is arranged with photoelectrical coupler at signal acquisition part.
Described logic control element adopts AC/DC, F/V, DC/DC translation circuit, reference voltage source adopts serial voltage regulation circuit, the direct voltage of alternating voltage, frequency and the internal system control general supply of the outside medium frequency electric generating equipment of monitoring in real time, monitor the power supply index of outside medium frequency electric generating equipment and the power supply index of internal system, in time the inside and outside power quality of reponse system simultaneously
Described electric current distributes and protected location employing secondary DC power supply bidirectional protective, and Reverse Current Protection circuit carries out Reverse Current Protection to first order master control power supply, and current foldback circuit, according to the demand of system control power supply, is realized the overcurrent protection of second level control power supply.The total current of first order master control power supply has Reverse Current Protection, when master control power distribution electric current, realizes the overcurrent protection of second level general supply in electric current distributes by current interruption protector.
Described measuring unit adopts measuring circuit to measure ac voltage and the frequency values of outside medium frequency electric generating equipment, and the DC voltage value of measuring system internal control power supply; The direct voltage of described control power supply is the direct current 27V power supply of external dc power 24V or rectification circuit rectification, two kinds of power supplys Hot Spare each other.
Output system DC control supply index: rated power: 3kW; Rated voltage: 27V; VD scope: 24.5V~28.5V.
The protection range of this practicality invention is as the criterion with claim, not limited by specific embodiment.

Claims (10)

1. power supply power recirculates control supervisory control system, is characterized in that comprising primary power source, secondary power supply, turns supply control unit, detecting unit, logic control element, electric current distribution and protected location and measuring unit; Primary power source, secondary power supply are powered to unit; The input of measuring unit connects the output of outside medium frequency electric generating equipment, and the output of measuring unit connects detecting unit, and the output connection of detecting unit turns supply control unit; Turn the information that supply control unit receives detecting unit, electric current distribution and protected location, and control information is delivered to power recirculates control actuator, display console, logic control element, turn supply control unit and accept the control information from display console simultaneously; Measuring unit, logic control element and turn power supply unit connect display console.
2. power supply power recirculates control supervisory control system according to claim 1, it is characterized in that described primary power source is by the 400Hz of outside medium frequency electric generating equipment, 220V power rectifier becomes 27V direct current and Hot Spare is to system power supply each other with the 24V DC power supply of outside input, and secondary power supply is to convert primary power source to the required 5V of internal circuit, ± 12V, 27V stabilized power supply.
3. power supply power recirculates control supervisory control system according to claim 1, it is characterized in that the described supply control unit that turns comprises power supply conversion control circuit and data processing circuit, what turn that supply control unit completes three road medium frequency electric generating equipment uninterruptedly turns power supply control; Turning supply control unit completes three road medium frequency electric generating equipment and turns by power supply power recirculates system the power supply control that turns that is fed to power consumption equipment with four kinds of patterns.
4. power supply power recirculates control supervisory control system according to claim 3, is characterized in that three kinds of patterns in four kinds of described patterns are, for the power supply control that turns on a single road in three road medium frequency electric generating equipment, amounts to three kinds; The concurrent working of the fixing unique two kinds of equipment in the 4th kind of pattern Wei San road medium frequency electric generating equipment turn power supply control; All there is distance control mode and local control pattern in above-mentioned four kinds of patterns, and two kinds of patterns are chain each other.
5. power supply power recirculates control supervisory control system according to claim 1, it is characterized in that the described supply control unit that turns comprises master microprocessor and microprocessor for subsequent use, the input of master microprocessor connects level conversion buffer circuit I, and the output of master microprocessor connects decoding circuit I and output driving circuit; The input of microprocessor for subsequent use connects level conversion buffer circuit II, and the output of microprocessor for subsequent use connects decoding circuit II and output driving circuit; The output connecting communication circuit of decoding circuit I and decoding circuit II; Communication checking module connects respectively master microprocessor and microprocessor for subsequent use.
6. power supply power recirculates control supervisory control system according to claim 1, it is characterized in that described detecting unit completes the online detection of the voltage of outside medium frequency electric generating equipment output end, frequency, phase sequence, insulation, in real time the abnormal signal occurring in the outside medium frequency electric generating equipment power supply in any road is sent to corresponding faulty indication, cut off abnormal control signal simultaneously.
7. power supply power recirculates control supervisory control system according to claim 1, it is characterized in that described logic control element is integrated in failure warning information-processing circuit, logic control element adopts the micro-chip processor with supervisory circuit, and micro-chip processor comprises watchdog circuit, power failure monitoring and reset circuit; The power-on self-test of logic control element completion system; Logic control element completes outside medium frequency electric generating equipment fault signal is carried out to data acquisition, data decoding, data communication and the transmission of failure code data; Logic control element complete the instruction of outside medium frequency electric generating equipment power supply conversion and control collection, level conversion and photoelectricity isolation, data transmission, drive requirements amplification and transmission by output; Logic control element is arranged with photoelectrical coupler at signal acquisition part.
8. power supply power recirculates control supervisory control system according to claim 1, it is characterized in that described logic control element adopts AC/DC, F/V, DC/DC translation circuit, reference voltage source adopts serial voltage regulation circuit, the direct voltage of alternating voltage, frequency and the internal system control general supply of the outside medium frequency electric generating equipment of monitoring in real time, monitor the power supply index of outside medium frequency electric generating equipment and the power supply index of internal system, in time the inside and outside power quality of reponse system simultaneously.
9. power supply power recirculates control supervisory control system according to claim 1; it is characterized in that described electric current distributes and protected location employing secondary DC power supply bidirectional protective; Reverse Current Protection circuit carries out Reverse Current Protection to first order master control power supply; current foldback circuit, according to the demand of system control power supply, is realized the overcurrent protection of second level control power supply.
10. power supply power recirculates control supervisory control system according to claim 1, it is characterized in that described measuring unit adopts measuring circuit to measure ac voltage and the frequency values of outside medium frequency electric generating equipment, and the DC voltage value of measuring system internal control power supply; The direct voltage of described control power supply is the direct current 27V power supply of external dc power 24V or rectification circuit rectification.
CN201410113081.6A 2014-03-25 2014-03-25 Power supply power recirculates controls supervisory control system Active CN103872758B (en)

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CN104518569A (en) * 2014-12-22 2015-04-15 北京航天测控技术有限公司 Power supply and distribution device of automatic testing system
CN108462253A (en) * 2018-03-27 2018-08-28 广州图粤信息科技有限公司 It is dynamic to pass guarantee device
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