CN107069726A - A kind of electric power energy-saving control system - Google Patents

A kind of electric power energy-saving control system Download PDF

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Publication number
CN107069726A
CN107069726A CN201710079606.2A CN201710079606A CN107069726A CN 107069726 A CN107069726 A CN 107069726A CN 201710079606 A CN201710079606 A CN 201710079606A CN 107069726 A CN107069726 A CN 107069726A
Authority
CN
China
Prior art keywords
resistance
triode
poles
diode
connect
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.)
Pending
Application number
CN201710079606.2A
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Chinese (zh)
Inventor
杨涛
李成博
邢军松
徐玉权
韩学勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Dezhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Dezhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Dezhou Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201710079606.2A priority Critical patent/CN107069726A/en
Publication of CN107069726A publication Critical patent/CN107069726A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/01Arrangements for reducing harmonics or ripples
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40Arrangements for reducing harmonics

Abstract

The invention discloses a kind of electric power energy-saving control system, including controller, inverter, drive module, current sensor A, signal conditioning circuit and zero cross detection circuit, the controller connects zero cross detection circuit, memory module, signal conditioning circuit and inverter respectively, signal conditioning circuit is also connected with voltage sensor, isolation module and current sensor B, isolation module is also connected with current sensor A, and voltage sensor is also connected with storage capacitor.Electric power energy-saving control system of the present invention does not have the limitation of electric wire, load can arbitrarily be installed in the range of wireless power receiving, and the high order current harmonics in being operated with filtering appts, the total harmonic distortion of power transmission network is reduced, so as to reach the purpose compensated to bearing power, present invention can apply in household, vehicle-mounted, scene or landscape LED illumination, effectively improve the flexibility of illumination profile, save electric energy and reduce light pollution, and improve the quality of power supply, have a wide range of applications.

Description

A kind of electric power energy-saving control system
Technical field
The present invention relates to a kind of control system, specifically a kind of electric power energy-saving control system.
Background technology
At present, most of electrical equipment in power network is all the load for belonging to perception, such as asynchronous machine, transformer Deng, while they consume active power in the process of running, will also from power network absorbing reactive power, the reactive power of absorption The electric current in circuit can be caused to increase, the waste that electric energy is unnecessary is caused, reduce power factor and quality of voltage.By electricity in parallel Case is arranged in power network and may be reduced by the flowing of reactive power, so as to reduce transmission line of electricity because additionally conveying idle Power and the transmission losses caused.The more existing type of drive using Control is unreliable, and precise control is not high, And system architecture is complicated, wiring is more, and the scope of application is small.
The content of the invention
Improve the electric power energy-saving control system of the quality of power supply it is an object of the invention to provide a kind of, to solve above-mentioned background The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of electric power energy-saving control system, including controller, inverter, drive module, current sensor A, signal condition Circuit and zero cross detection circuit, the controller connect zero cross detection circuit, memory module, signal conditioning circuit and inversion respectively Device, signal conditioning circuit is also connected with voltage sensor, isolation module and current sensor B, and isolation module is also connected with current sense Device A, voltage sensor is also connected with storage capacitor, and the inverter is also respectively connected with storage capacitor and current sensor B, and electric current is passed Sensor B is also connected with power network, and power network is also respectively connected with zero cross detection circuit and current sensor A, and current sensor A is also connected with driving Module;
The isolation module includes resistance R1, electric capacity C1, triode VT1, transformer T, diode D1 and metal-oxide-semiconductor VS1, institute State resistance R1 one end and connect resistance R2 and input signal Vi, resistance R1 other end connecting triode VT1 base stages, triode respectively VT1 colelctor electrodes connect power supply VCC, and triode VT1 emitter stages connect electric capacity C1 and triode VT2 emitter stages, triode VT2 respectively Base stage connects the resistance R2 other ends, and triode VT2 colelctor electrodes connection resistance R8 is simultaneously grounded, resistance R8 other ends connection transformer T Coil L1, transformer T coil the L1 other end connect the electric capacity C1 other ends, transformer T coil L2 one end connect respectively electric capacity C2 and Resistance R7, electric capacity the C2 other end connect resistance R3, the resistance R3 other ends connect respectively the resistance R7 other ends, diode D1 positive poles, Resistance R5 and triode VT4 base stages, the resistance R5 other ends connect the transformer T coil L2 other ends, triode VT4 current collections respectively Pole, diode D3 positive poles, metal-oxide-semiconductor VS1 S poles and switch VS2 D poles, diode D3 negative poles connect respectively diode D1 negative poles, The G poles of triode VT4 emitter stages and metal-oxide-semiconductor VS1, metal-oxide-semiconductor VS1 D poles connection output end vo, the S poles point of the metal-oxide-semiconductor VS2 Lian Jie not diode D4 positive poles, triode VT3 colelctor electrodes, resistance R6, resistance R9 and transformer T coil L3, metal-oxide-semiconductor VS2 G poles Diode D4 negative poles, triode VT3 emitter stages and diode D2 negative poles are connected respectively, and diode D2 positive poles connect resistance respectively R4, the resistance R6 other ends and triode VT3 base stages, the resistance R4 other ends connect electric capacity C3 and the resistance R9 other ends, electric capacity respectively The C3 other ends connect the transformer T coil L3 other ends.
It is used as further scheme of the invention:The controller uses TMS320F2812.
It is used as further scheme of the invention:The signal conditioning circuit includes amplifying circuit, rectification circuit, filtered electrical Road, clamper absorbing circuit and frequency overlapped-resistable filter circuit.
It is used as further scheme of the invention:The voltage sensor is Hall voltage sensor.
It is used as further scheme of the invention:The diode D1 is voltage-regulator diode.
Compared with prior art, the beneficial effects of the invention are as follows:Electric power energy-saving control system of the present invention does not have the limit of electric wire System, load can arbitrarily be installed in the range of wireless power receiving, and the high order current harmonics in being operated with filtering appts, The total harmonic distortion of power transmission network is reduced, so as to reach the purpose compensated to bearing power, present invention can apply to household, car In load, scene or landscape LED illumination, the flexibility of illumination profile is effectively improved, electric energy is saved and reduces light pollution, and improve The quality of power supply, has a wide range of applications.
Brief description of the drawings
Fig. 1 is the schematic block circuit diagram of electric power energy-saving control system;
Fig. 2 is the circuit diagram of isolation module in electric power energy-saving control system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Refer in Fig. 1~2, the embodiment of the present invention, a kind of electric power energy-saving control system, including controller, inverter, drive Dynamic model block, current sensor A, signal conditioning circuit and zero cross detection circuit, the controller connect respectively zero cross detection circuit, Memory module, signal conditioning circuit and inverter, signal conditioning circuit are also connected with voltage sensor, isolation module and current sense Device B, isolation module is also connected with current sensor A, and voltage sensor is also connected with storage capacitor, and the inverter is also respectively connected with storage Energy electric capacity and current sensor B, current sensor B are also connected with power network, and power network is also respectively connected with zero cross detection circuit and electric current is passed Sensor A, current sensor A is also connected with drive module.The isolation module includes resistance R1, electric capacity C1, triode VT1, transformation Device T, diode D1 and metal-oxide-semiconductor VS1, described resistance R1 one end connects resistance R2 and input signal Vi, the resistance R1 other ends respectively Connecting triode VT1 base stages, triode VT1 colelctor electrodes connection power supply VCC, triode VT1 emitter stages connect respectively electric capacity C1 and Triode VT2 emitter stages, the triode VT2 base stages connection resistance R2 other ends, triode VT2 colelctor electrodes connection resistance R8 simultaneously connects Ground, resistance R8 other ends connection transformer T coil L1, the transformer T coil L1 other ends connection electric capacity C1 other ends, transformer T Coil L2 one end connects electric capacity C2 and resistance R7 respectively, and electric capacity C2 other ends connection resistance R3, the resistance R3 other ends are connected respectively The resistance R7 other ends, diode D1 positive poles, resistance R5 and triode VT4 base stages, the resistance R5 other ends connect transformer T lines respectively Enclose the L2 other ends, triode VT4 colelctor electrodes, diode D3 positive poles, metal-oxide-semiconductor VS1 S poles and the D poles for switching VS2, diode D3 Negative pole connects diode D1 negative poles, triode VT4 emitter stages and metal-oxide-semiconductor VS1 G poles, metal-oxide-semiconductor VS1 D poles connection output respectively Vo is held, the S poles of the metal-oxide-semiconductor VS2 connect diode D4 positive poles, triode VT3 colelctor electrodes, resistance R6, resistance R9 and change respectively Depressor T coil L3, metal-oxide-semiconductor VS2 G poles connect diode D4 negative poles, triode VT3 emitter stages and diode D2 negative poles respectively, Diode D2 positive poles connect resistance R4, the resistance R6 other ends and triode VT3 base stages respectively, and the resistance R4 other ends connect electricity respectively Hold C3 and the resistance R9 other ends, the electric capacity C3 other ends connection transformer T coil L3 other ends;The controller is used TMS320F2812;The signal conditioning circuit includes amplifying circuit, rectification circuit, filter circuit, clamper absorbing circuit and resisted mixed Folded filter circuit;The voltage sensor is Hall voltage sensor.
The digital signal processor of Fig. 1~2, MS320F2812 models is referred to as controller, modulate circuit includes putting Big circuit, rectification circuit and frequency overlapped-resistable filter circuit, current sensor A sampling load end three-phase currents, pass through signal condition Make harmonic current extraction algorithm and control algolithm processing after A/D collections inside circuit feeding controller via controller, and drive Inverter makees corresponding counteracting to harmonic current, and the compensation electric current exported of being sampled with current sensor B makees feedback regulation, inverter The A/D that DC bus-bar voltage converts inside supply controller through Hall voltage sensor is gathered, and controls its DC capacitor voltage Stable, zero crossing of the three-phase voltage signal that power network is produced after zero cross detection circuit is as zero cross fired signal, as every Individual periodic software processing is reset and initial signal.
The push-pull type power amplifier that triode VT1, VT2 are constituted, when input chip Vi is high level, triode VT1 conductings, Metal-oxide-semiconductor VS1 driving powers are provided;During low level, triode VT2 is turned on, and the energy storage on electric capacity C1 provides reverse impulse, transformer Become complementary pulse signal after the conditioned circuit of two-way waveform of coil L2 and transformer coil L3 outputs, so as to drive MOS Pipe VS1 and metal-oxide-semiconductor VS2, pulse signal is timing, and metal-oxide-semiconductor VS1 and VS2 are turned on, and triode VT3, VT4 ends during this period, by The leadage circuit that triode VT3, VT4 are constituted is not worked, when pulse signal is zero, then triode VT3, VT4 is turned on, and is quickly let out Metal-oxide-semiconductor VS1 and VS2 electric charge is put, accelerates metal-oxide-semiconductor VS1 and VS2 cut-off, voltage-regulator diode D1, D2 are carried out to impulse waveform forward direction Slicing.
In summary, electric power energy-saving control system of the present invention does not have the limitation of electric wire, and load can receive in wireless power In the range of arbitrarily install, and the high order current harmonics in being operated with filtering appts reduces the total harmonic distortion of power transmission network, from And the purpose compensated to bearing power has been reached, present invention can apply in household, vehicle-mounted, scene or landscape LED illumination, have Effect ground improves the flexibility of illumination profile, saves electric energy and reduces light pollution, and improves the quality of power supply, before having a wide range of applications Scape.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (5)

1. a kind of electric power energy-saving control system, including controller, inverter, drive module, current sensor A, signal condition electricity Road and zero cross detection circuit, it is characterised in that the controller connects zero cross detection circuit, memory module, signal condition respectively Circuit and inverter, signal conditioning circuit are also connected with voltage sensor, isolation module and current sensor B, and isolation module also connects Current sensor A is met, voltage sensor is also connected with storage capacitor, and the inverter is also respectively connected with storage capacitor and current sense Device B, current sensor B are also connected with power network, and power network is also respectively connected with zero cross detection circuit and current sensor A, current sensor A It is also connected with drive module;
The isolation module includes resistance R1, electric capacity C1, triode VT1, transformer T, diode D1 and metal-oxide-semiconductor VS1, the electricity Resistance R1 one end connects resistance R2 and input signal Vi, resistance R1 other end connecting triode VT1 base stages, triode VT1 collection respectively Electrode connects power supply VCC, and triode VT1 emitter stages connect electric capacity C1 and triode VT2 emitter stages, triode VT2 base stages respectively The resistance R2 other ends are connected, triode VT2 colelctor electrodes connection resistance R8 is simultaneously grounded, resistance R8 other ends connection transformer T coils L1, transformer T coil the L1 other end connect the electric capacity C1 other ends, and transformer T coil L2 one end connects electric capacity C2 and resistance respectively R7, electric capacity the C2 other end connect resistance R3, and the resistance R3 other ends connect the resistance R7 other ends, diode D1 positive poles, resistance respectively R5 and triode VT4 base stages, the resistance R5 other ends connect the transformer T coil L2 other ends, triode VT4 colelctor electrodes, two respectively Pole pipe D3 positive poles, metal-oxide-semiconductor VS1 S poles and the D poles for switching VS2, diode D3 negative poles connect diode D1 negative poles, three poles respectively The G poles of pipe VT4 emitter stages and metal-oxide-semiconductor VS1, metal-oxide-semiconductor VS1 D poles connection output end vo, the S poles of the metal-oxide-semiconductor VS2 connect respectively Connect diode D4 positive poles, triode VT3 colelctor electrodes, resistance R6, resistance R9 and transformer T coil L3, metal-oxide-semiconductor VS2 G poles difference Diode D4 negative poles, triode VT3 emitter stages and diode D2 negative poles are connected, diode D2 positive poles connect resistance R4, electricity respectively The R6 other ends and triode VT3 base stages are hindered, the resistance R4 other ends connect electric capacity C3 and the resistance R9 other ends respectively, and electric capacity C3 is another The end connection transformer T coil L3 other ends.
2. electric power energy-saving control system according to claim 1, it is characterised in that the controller is used TMS320F2812。
3. electric power energy-saving control system according to claim 1, it is characterised in that the signal conditioning circuit includes amplification Circuit, rectification circuit, filter circuit, clamper absorbing circuit and frequency overlapped-resistable filter circuit.
4. electric power energy-saving control system according to claim 1, it is characterised in that the voltage sensor is Hall voltage Sensor.
5. electric power energy-saving control system according to claim 1, it is characterised in that the diode D1 is the pole of voltage stabilizing two Pipe.
CN201710079606.2A 2017-01-24 2017-01-24 A kind of electric power energy-saving control system Pending CN107069726A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110718964A (en) * 2019-10-14 2020-01-21 江西科威电力发展有限公司 Energy-saving control system for electric power engineering
CN110831295A (en) * 2019-11-20 2020-02-21 昂宝电子(上海)有限公司 Dimming control method and system for dimmable LED lighting system
RU2725486C1 (en) * 2019-06-03 2020-07-02 Дмитрий Алексеевич Филатов Method for reduction of power consumption of led system of irradiation (illumination) of plants
US11297704B2 (en) 2019-08-06 2022-04-05 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for bleeder control related to TRIAC dimmers associated with LED lighting
US11540371B2 (en) 2020-04-13 2022-12-27 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for controlling power factors of LED lighting systems
US11564299B2 (en) 2019-12-19 2023-01-24 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for providing power supply to current controllers associated with LED lighting
US11570859B2 (en) 2017-12-28 2023-01-31 On-Bright Electronics (Shanghai) Co., Ltd. LED lighting systems with TRIAC dimmers and methods thereof
US11678417B2 (en) 2019-02-19 2023-06-13 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods with TRIAC dimmers for voltage conversion related to light emitting diodes
US11695401B2 (en) 2017-07-10 2023-07-04 On-Bright Electronics (Shanghai) Co., Ltd. Switch control systems for light emitting diodes and methods thereof
US11723128B2 (en) 2019-12-27 2023-08-08 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for controlling currents flowing through light emitting diodes

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11695401B2 (en) 2017-07-10 2023-07-04 On-Bright Electronics (Shanghai) Co., Ltd. Switch control systems for light emitting diodes and methods thereof
US11784638B2 (en) 2017-07-10 2023-10-10 On-Bright Electronics (Shanghai) Co., Ltd. Switch control systems for light emitting diodes and methods thereof
US11937350B2 (en) 2017-12-28 2024-03-19 On-Bright Electronics (Shanghai) Co., Ltd. LED lighting systems with TRIAC dimmers and methods thereof
US11570859B2 (en) 2017-12-28 2023-01-31 On-Bright Electronics (Shanghai) Co., Ltd. LED lighting systems with TRIAC dimmers and methods thereof
US11638335B2 (en) 2017-12-28 2023-04-25 On-Bright Electronics (Shanghai) Co., Ltd. LED lighting systems with TRIAC dimmers and methods thereof
US11678417B2 (en) 2019-02-19 2023-06-13 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods with TRIAC dimmers for voltage conversion related to light emitting diodes
RU2725486C1 (en) * 2019-06-03 2020-07-02 Дмитрий Алексеевич Филатов Method for reduction of power consumption of led system of irradiation (illumination) of plants
US11297704B2 (en) 2019-08-06 2022-04-05 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for bleeder control related to TRIAC dimmers associated with LED lighting
US11792901B2 (en) 2019-08-06 2023-10-17 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for bleeder control related to TRIAC dimmers associated with LED lighting
CN110718964A (en) * 2019-10-14 2020-01-21 江西科威电力发展有限公司 Energy-saving control system for electric power engineering
US11405992B2 (en) 2019-11-20 2022-08-02 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for dimming control related to TRIAC dimmers associated with LED lighting
US11743984B2 (en) 2019-11-20 2023-08-29 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for dimming control related to TRIAC dimmers associated with LED lighting
CN110831295A (en) * 2019-11-20 2020-02-21 昂宝电子(上海)有限公司 Dimming control method and system for dimmable LED lighting system
US11564299B2 (en) 2019-12-19 2023-01-24 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for providing power supply to current controllers associated with LED lighting
US11856670B2 (en) 2019-12-19 2023-12-26 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for providing power supply to current controllers associated with LED lighting
US11723128B2 (en) 2019-12-27 2023-08-08 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for controlling currents flowing through light emitting diodes
US11540371B2 (en) 2020-04-13 2022-12-27 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for controlling power factors of LED lighting systems

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Application publication date: 20170818