CN209329692U - Energy saving and efficiency increasing system based on power monitoring - Google Patents
Energy saving and efficiency increasing system based on power monitoring Download PDFInfo
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- CN209329692U CN209329692U CN201821723731.9U CN201821723731U CN209329692U CN 209329692 U CN209329692 U CN 209329692U CN 201821723731 U CN201821723731 U CN 201821723731U CN 209329692 U CN209329692 U CN 209329692U
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E40/30—Reactive power compensation
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Abstract
A kind of energy saving and efficiency increasing system based on power monitoring provided by the utility model, including data acquisition unit, data analysis unit and control unit；Data acquisition unit is used to acquire the operation data of 10kV power-supply system, 400V power-supply system and 380V electrical equipment；Data analysis unit is used to carry out analytical calculation according to the operation data of acquisition；Control unit is for issuing control instruction to equipment end or platform end.The operation data of 10kV power-supply system, 400V power-supply system and 380V electrical equipment is monitored and is controlled simultaneously, electrical equipment utilization rate is improved, realizes energy-saving purpose.
Description
Technical field
The utility model relates to electric power energy energy saving and efficiency increasing technical fields, and in particular to the energy saving and efficiency increasing based on power monitoring
System.
Background technique
Electric power energy has very important effect in industrial development now, whether directly influences entire enterprise
It can smoothly work, be also very huge in the consumption to the energy.It is various with the fast development of China's power industry
Intelligent power equipment is widely used, and in order to reduce cost, is improved efficiency, existing to match the centering of power consumption management comprehensive monitor system
Low voltage electric network operating status carries out real-time monitoring, protection, obtains the information of Medial & Low Voltage Power Network operation in time, in due course according to power supply need
The growth adjustment network load asked, guarantees power supply quality, reduces operating cost.
But existing electricity consumption monitoring system also only realizes being separately monitored and controlling to certain primary system, is not directed to
Entire enterprise realizes the monitoring of comprehensive three-level system.
Utility model content
For the defects in the prior art, the utility model provides a kind of energy saving and efficiency increasing system based on power monitoring, together
When the operation data of 10kV power-supply system, 400V power-supply system and 380V electrical equipment is monitored and is controlled, improve efficiency.
A kind of energy saving and efficiency increasing system based on power monitoring provided by the utility model, including data acquisition unit, data
Analytical unit and control unit；Data acquisition unit is set for acquiring 10kV power-supply system, 400V power-supply system and 380V electricity consumption
Standby operation data；Data analysis unit is used to carry out analytical calculation according to the operation data of acquisition；Control unit is used for setting
Standby end or platform end issue control instruction.
Further, 10kV power-supply system includes high-tension switch cabinet and SVG reactive power compensator, SVG reactive power compensator
Including, according to sequentially connected reactor, starting cabinet and power cabinet, starting cabinet include contactor, bypass resistance, voltage transformer and
Current transformer, bypass resistance are in parallel with contactor；Power cabinet includes IGBT module, DC capacitor, discharge resistance and trigger board,
IGBT module, DC capacitor and discharge resistance are connected in parallel；Acquisition unit is used to acquire voltage and current, the DC capacitor of starting cabinet
Data and examination point electric current and voltage；Data analysis unit is according to the electric current and voltage and DC capacitor for examining point
Data calculate power factor；Control unit sends trigger signal to trigger board according to the power factor being calculated to control
The turn-on and turn-off of IGBT module.
Further, 400V power-supply system includes low pressure 400V switchgear and low voltage reactive power dynamic compensation system, low pressure without
Function dynamic compensating system includes main busbar, and main busbar lower end is provided with disconnecting switch fuse group, under disconnecting switch fuse group
End is respectively provided with the first breaker and the second breaker, contactless according to the first thyristor has been sequentially arranged in the first breaker lower end
Switch, reactor and three-phase compensation capacitor, the second breaker lower end according to be sequentially arranged the second thyristor noncontacting switch,
Reactor and three-phase separate-supplement capacitor；Low voltage reactive power dynamic compensation system is connected with load motor, and acquisition unit is for acquiring
The real-time current and voltage of load motor, and collected real-time current and voltage are sent to data analysis unit, data point
It analyses unit and power factor is calculated according to the real-time current and voltage of load motor；First thyristor noncontacting switch, the second brilliant lock
Pipe noncontacting switch is connected with control unit respectively, the power factor results point that control unit is calculated according to data analysis unit
Control command is not sent to the first thyristor noncontacting switch, the second thyristor noncontacting switch.
Further, 380V electrical equipment includes load motor, and and load motor according to sequentially connected first IGBT
Module and three phase mains, further include the second IGBT module, and the second IGBT module is electrically connected with the first IGBT module；It further include PID
Adjuster, PID regulator are connected with the first IGBT module, the second IGBT module respectively；Acquisition unit is for acquiring load electricity
Voltage, electric current, power factor, revolving speed, pressure, flow and the temperature signal of machine, and by the voltage of collected load motor, electricity
Stream, power factor, revolving speed, pressure, flow and temperature signal are transmitted to data analysis unit；Data analysis unit is negative according to acquisition
The voltage, electric current, power factor for carrying motor calculate the electric current and voltage signal for meeting motor economical operation；Control unit with
PID regulator is connected, and control unit is exported operating instruction and controlled the first IGBT and exported by PID regulator meets motor economy
The electric current and voltage signal of operation；Control unit issues control signal, control second to the second IGBT module by PID regulator
The reactive power that IGBT module output reactive current generates motor operation compensates.
Further, data acquisition unit is also used to acquire the switch remote signalling of high-tension switch cabinet and 400V switchgear respectively
Amount, room temperature, indoor humidity, cigarette sense, gate inhibition's signal, cable head temperature, cable duct water level signal.
As shown from the above technical solution, the utility model has the beneficial effects that
The utility model provides a kind of energy saving and efficiency increasing system based on power monitoring, including data acquisition unit, data point
Analyse unit and control unit；Data acquisition unit is for acquiring 10kV power-supply system, 400V power-supply system and 380V electrical equipment
Operation data；Data analysis unit is used to carry out analytical calculation according to the operation data of acquisition；Control unit is used for equipment
End or platform end issue control instruction.Simultaneously to the operation number of 10kV power-supply system, 400V power-supply system and 380V electrical equipment
According to being monitored and controlling, electrical equipment utilization rate is improved, realizes energy-saving purpose.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural block diagram of energy saving and efficiency increasing system of the utility model based on power monitoring.
Fig. 2 is structural block diagram of the utility model based on 10kV power-supply system in the energy saving and efficiency increasing system of power monitoring.
Fig. 3 is structural block diagram of the utility model based on 400V power-supply system in the energy saving and efficiency increasing system of power monitoring.
Fig. 4 is structural block diagram of the utility model based on 380V power-supply system in the energy saving and efficiency increasing system of power monitoring.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
A kind of energy saving and efficiency increasing system based on power monitoring provided in this embodiment referring to FIG. 1 to FIG. 4, including data
Acquisition unit, data analysis unit and control unit；Data acquisition unit is for acquiring 10kV power-supply system, 400V power-supply system
With the operation data of 380V electrical equipment；Data analysis unit is used to carry out analytical calculation according to the operation data of acquisition；Control
Unit is for issuing control instruction to equipment end or platform end.
10kV power-supply system includes high-tension switch cabinet and SVG reactive power compensator, and SVG reactive power compensator includes according to sequentially
The reactor of connection, starting cabinet and power cabinet, high-tension switch cabinet are connected with the input terminal of reactor；Starting cabinet includes contactor
KM, bypass resistance R, voltage transformer pt and Current Transmit, bypass resistance are in parallel with contactor；Power cabinet includes IGBT mould
Block, DC capacitor, discharge resistance and trigger board, IGBT module, DC capacitor and discharge resistance are connected in parallel；Acquisition unit is used for
Acquire the electric current and voltage of the voltage and current of high voltage start cabinet, the data of DC capacitor and examination point；Control unit is according to examining
The data of the electric current and voltage of epipole and DC capacitor calculate power factor, then according to the power factor being calculated to
Trigger board sends trigger signal to control the turn-on and turn-off of IGBT module.
10kV power-supply system is formed using that can turn off power electronic devices IGBT from commutation bridge circuit, by reactor
It is connected in parallel on 10kV power grid, by adjusting the conducting and frequency, amplitude and the phase of shutdown control alternating voltage of IGBT, to produce
Raw electric current, the reactive power needed for absorbing or issue rapidly, realizes the idle purpose of quick dynamic regulation.Due to being not required to use
Capacitor, the inductance component of large capacity, but be converted into DC voltage by the way that device for high-power power electronic IGBT can be turned off
The output voltage with power grid same frequency is surveyed in exchange, realizes the exchange of quadergy, compensates fundamental wave reactive power.Considering harmonic compensation
When, SVG dynamic reactive compensation device is equivalent to a controllable harmonic source, can carry out active tracking according to system situation and mend
It repays.So can compensate simultaneously to reactive power and harmonic wave, electrical equipment utilization rate is improved, injection in the unit time is improved and sets
Standby active power realizes energy-saving purpose.
400V power-supply system includes low pressure 400V switchgear and low voltage reactive power dynamic compensation system, low voltage reactive power dynamic compensation
System includes main busbar, and main busbar lower end is provided with disconnecting switch fuse group, and disconnecting switch fuse group lower end is respectively provided with
First breaker and the second breaker, in the first breaker lower end according to being sequentially arranged the first thyristor noncontacting switch, reactance
Device and three-phase compensation capacitor, the second breaker lower end according to be sequentially arranged the second thyristor noncontacting switch, reactor and
Three-phase separate-supplement capacitor；Low voltage reactive power dynamic compensation system is connected with load motor, and acquisition unit is for acquiring load motor
Real-time current and voltage, and collected real-time current and voltage are sent to data analysis unit, data analysis unit root
Power factor is calculated according to the real-time current and voltage of load motor；First thyristor noncontacting switch, the second thyristor is contactless
Switch is connected with control unit respectively, and the power factor results that control unit is calculated according to data analysis unit are respectively to first
Thyristor noncontacting switch, the second thyristor noncontacting switch send control command.
400V power-supply system, acquisition unit acquire the real-time current and voltage of load voltage, and data analysis unit is to power
Factor is calculated, and judges whether threephase load is balanced after analysis, according to the whether balanced idle need for proposing load of threephase load
It asks, the first thyristor noncontacting switch and the second thyristor noncontacting switch is issued further according to practical reactive requirement situation is loaded
It throws, cut signal, complete the reactive compensation to load.
380V electrical equipment includes 380V power cabinet and load motor, and and load motor according to sequentially connected first
IGBT module and three phase mains, further include the second IGBT module, and the second IGBT module is electrically connected with the first IGBT module；Further include
PID regulator, PID regulator are connected with the first IGBT module, the second IGBT module respectively；Acquisition unit is for acquiring load
Voltage, electric current, revolving speed, pressure, flow and the temperature signal of motor, and by the voltage of collected load motor, electric current, turn
Speed, pressure, flow and temperature signal are transmitted to data analysis unit；Data analysis unit according to acquisition load motor voltage,
Electric current calculates the electric current and voltage signal for meeting motor economical operation；Control unit is connected with PID regulator, and control is single
Member exports operating instruction by PID regulator and controls the electric current and voltage signal that the first IGBT output meets motor economical operation；
Control unit issues control signal to the second IGBT module by PID regulator, and the second IGBT module of control exports reactive current
The reactive power generated to motor operation compensates.
Data acquisition unit is also used to acquire high-tension switch cabinet and the switch remote signalling amount of 400V switchgear, Indoor Temperature respectively
Degree, indoor humidity, cigarette sense, gate inhibition's signal, cable head temperature, cable duct water level signal, carry out the monitoring of various dimensions, with better
It is horizontal to analyze enterprise energy consumption.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (4)
1. a kind of energy saving and efficiency increasing system based on power monitoring, it is characterised in that: including data acquisition unit, data analysis unit
And control unit；
The data acquisition unit is used to acquire the operation number of 10kV power-supply system, 400V power-supply system and 380V electrical equipment
According to；
The data analysis unit is used to carry out analytical calculation according to the operation data of acquisition；
Described control unit is for issuing control instruction to equipment end or platform end；
The 10kV power-supply system includes high-tension switch cabinet and SVG reactive power compensator, and the SVG reactive power compensator includes,
According to sequentially connected reactor, starting cabinet and power cabinet, the starting cabinet include contactor, bypass resistance, voltage transformer and
Current transformer, the bypass resistance are in parallel with contactor；The power cabinet includes IGBT module, DC capacitor, discharge resistance
And trigger board, the IGBT module, DC capacitor and discharge resistance are connected in parallel；
The acquisition unit is used to acquire the electric current and electricity of the voltage and current of starting cabinet, the data of DC capacitor and examination point
Pressure；
The data analysis unit calculates power factor according to the electric current and voltage of examination point and the data of DC capacitor；
Described control unit sends trigger signal to trigger board according to the power factor being calculated to control leading for IGBT module
Logical and shutdown.
2. the energy saving and efficiency increasing system according to claim 1 based on power monitoring, it is characterised in that: 400V power supply system
System includes low pressure 400V switchgear and low voltage reactive power dynamic compensation system, and the low voltage reactive power dynamic compensation system includes main mother
Row, the main busbar lower end are provided with disconnecting switch fuse group, and the disconnecting switch fuse group lower end is respectively provided with first
Breaker and the second breaker, in first breaker lower end according to being sequentially arranged the first thyristor noncontacting switch, reactance
Device and three-phase compensation capacitor, in second breaker lower end according to being sequentially arranged the second thyristor noncontacting switch, reactance
Device and three-phase separate-supplement capacitor；
The low voltage reactive power dynamic compensation system is connected with load motor, and the acquisition unit is used to acquire the reality of load motor
When electric current and voltage, and collected real-time current and voltage are sent to data analysis unit, the data analysis unit root
Power factor is calculated according to the real-time current and voltage of load motor；
The first thyristor noncontacting switch, the second thyristor noncontacting switch are connected with control unit respectively, the control
The power factor results that unit processed is calculated according to data analysis unit are respectively to the first thyristor noncontacting switch, the second thyristor
Noncontacting switch sends control command.
3. the energy saving and efficiency increasing system according to claim 1 based on power monitoring, it is characterised in that: the 380V electricity consumption is set
Standby includes load motor, and and load motor according to sequentially connected first IGBT module and three phase mains, further include second
IGBT module, second IGBT module are electrically connected with the first IGBT module；It further include PID regulator, the PID regulator point
It is not connected with the first IGBT module, the second IGBT module；
The acquisition unit is used to acquire voltage, electric current, power factor, revolving speed, pressure, flow and the temperature letter of load motor
Number, and the voltage of collected load motor, electric current, power factor, revolving speed, pressure, flow and temperature signal are transmitted to number
According to analytical unit；
The data analysis unit is calculated according to the voltage, electric current, power factor of acquisition load motor meets motor economy fortune
Capable electric current and voltage signal；
Described control unit is connected with PID regulator, and described control unit exports operating instruction control the by PID regulator
One IGBT exports the electric current and voltage signal for meeting motor economical operation；Described control unit passes through PID regulator to second
IGBT module issues control signal, and the second IGBT module of control output reactive current carries out the reactive power that motor operation generates
Compensation.
4. the energy saving and efficiency increasing system according to claim 2 based on power monitoring, it is characterised in that: the data acquisition is single
Member is also used to acquire the switch remote signalling amount, room temperature, indoor humidity, cigarette sense, door of high-tension switch cabinet and 400V switchgear respectively
Prohibit signal, cable head temperature, cable duct water level signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821723731.9U CN209329692U (en) | 2018-10-23 | 2018-10-23 | Energy saving and efficiency increasing system based on power monitoring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821723731.9U CN209329692U (en) | 2018-10-23 | 2018-10-23 | Energy saving and efficiency increasing system based on power monitoring |
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| CN209329692U true CN209329692U (en) | 2019-08-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217308A (en) * | 2018-10-23 | 2019-01-15 | 重庆重开电气有限公司 | Energy saving and efficiency increasing system based on power monitoring |
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- 2018-10-23 CN CN201821723731.9U patent/CN209329692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217308A (en) * | 2018-10-23 | 2019-01-15 | 重庆重开电气有限公司 | Energy saving and efficiency increasing system based on power monitoring |
| CN109217308B (en) * | 2018-10-23 | 2024-07-30 | 重庆重开电气有限公司 | Energy-saving efficiency improving system based on electricity monitoring |
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