CN105610164B - Three-phase high-frequency harmonic generation device - Google Patents
Three-phase high-frequency harmonic generation device Download PDFInfo
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- CN105610164B CN105610164B CN201610044659.6A CN201610044659A CN105610164B CN 105610164 B CN105610164 B CN 105610164B CN 201610044659 A CN201610044659 A CN 201610044659A CN 105610164 B CN105610164 B CN 105610164B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The invention discloses a kind of three-phase high-frequency harmonic generation device, including a three-phase isolation transformer electrically connected with city and a three phase harmonic generating means electrically connected with test product；Described three-phase isolation transformer is connected with three phase harmonic generating means；Described three phase harmonic generating means includes control circuit, feedback circuit and the main circuit being connected with three-phase isolation transformer, and described main circuit is connected with control circuit, feedback circuit；Described control circuit is also connected with feedback circuit.The three-phase high-frequency harmonic generation device is easy to carry and frequency, amplitude can be adjusted.
Description
Technical field
It is especially a kind of three-phase harmonic high frequency the present invention relates to a kind of generation equipment that high-frequency harmonic is exported to common frequency power network
Wave generation device.
Background technology
The three-phase high-frequency harmonic generation device of prior art is generally stage body and signal generator.Above-mentioned high-frequency harmonic is surveyed
Trial assembly, which is put, to be had the following disadvantages：Stage body carries very inconvenient because volume is big.And the harmonic wave frequency of stage body output
Rate is defined to 3-21 times of power frequency, causes its voltage magnitude smaller, so as to influence the interference effect of high-frequency harmonic.And signal occurs
Although device frequency-adjustable, the voltage magnitude that it is exported is smaller, thus can also influence the interference effect of high-frequency harmonic.Therefore,
For these reasons, it would be highly desirable to need a kind of three-phase high-frequency harmonic generation device, the three-phase high-frequency harmonic generation device is easy to carry
And frequency, amplitude can be adjusted, to solve the above problems.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of three-phase high-frequency harmonic generation device, the three-phase high-frequency harmonic
Generation device is easy to carry and frequency, amplitude can be adjusted.
The technical scheme is that, there is provided a kind of three-phase high-frequency harmonic generation device, including one electrically connected with city three
It is isolated transformer and a three phase harmonic generating means electrically connected with test product；Described three-phase isolation transformer and three
Phase harmonic wave generating device connects；Described three phase harmonic generating means includes control circuit, feedback circuit and is isolated with three
The main circuit of transformer connection, described main circuit are connected with control circuit, feedback circuit；Described control circuit also with feedback
Circuit connects.
Described main circuit includes a transformer T1, FET Q1, indicator lamp LED1；Resistance R1, R2, R3, R4, R5,
R6, R7, R9, R10, R11, R12, R13, diode D1, D2, D3, D4, D5, D6, D7, D8, D9, D12, D13, D14, D15, electricity
Solve electric capacity C11, C12, electric capacity C1, C2, C3, C4；The primary side of the transformer T1 is provided with first coil A and the second coil B, institute
The secondary side for stating transformer T1 is provided with tertiary coil C and the 4th coil D；The anode of the diode D12 is fiery for the A phases of main circuit
Line, the anode of the diode D13 are the B phase firewires of main circuit, and the anode of the diode D1 is the C phase firewires of main circuit,
The anode of the diode D2 is the zero line of main circuit；The anode of the diode D12 is connected with diode D14 negative electrode, institute
The anode for stating diode D13 is connected with diode D15 negative electrode；The anode of the diode D1 connects with diode D3 negative electrode
Connect, negative electrode and diode D12 negative electrode, diode D13 negative electrode, diode D2 negative electrode, the resistance R6 of the diode D1
One end, resistance R5 one end, electric capacity C2 one end, first coil A one end connection；The anode of the diode D2 and two poles
Pipe D4 negative electrode connection；The anode of the diode D14, diode D15 anode, diode D3 anode, diode D4
Anode, electrochemical capacitor C11 negative pole, the second coil B one end are connected with common ground end；The other end of the resistance R6 with
One end connection of control circuit, electrochemical capacitor C11 positive pole, resistance R7；The other end of the resistance R7 and diode D5 the moon
Pole is connected, and the anode of the diode D5 is connected with the second coil B other end；The other end of the resistance R5, electric capacity C2
Negative electrode of the other end with diode D6 is connected；The other end of the first coil A and diode D6 anode, FET Q1
D poles connection；The g poles of the FET Q1 are connected with resistance R1 one end, resistance R2 one end；The resistance R1's is another
End is connected with control circuit；The s poles of the FET Q1 and the resistance R2 other end, resistance R3 one end, the one of resistance R4
End connection；The other end of the resistance R3 is connected with one end of control circuit, electric capacity C1, the other end, the resistance of the electric capacity C1
The R4 other end is connected with common ground end；One end of the tertiary coil C is connected with the 4th coil D one end；Described
The three-winding C other end is connected with diode D7 anode, negative electrode and positive source VDD, the electrochemical capacitor of the diode D7
C12 positive pole connection；One end of the tertiary coil C, electric capacity C3 one end, electrochemical capacitor C12 negative pole, the one of resistance R9
End, resistance R10 one end, resistance R11 one end are connected with common ground end；The other end of the resistance R11 and feedback electricity
Road, variable resistor RL one end connection；One end of the other end of the 4th coil D and diode D8 anode, resistance R12 connects
Connect；The negative electrode of the diode D8, the electric capacity C3 other end, the resistance R9 other end, diode D9 anode, the one of electric capacity C4
End, resistance R13 one end are connected with positive source VHH, the negative electrode of the diode D9 and the resistance R10 other end, variable
The resistance RL other end connects with movable end；The other end of the resistance R12 is connected with the electric capacity C4 other end；The resistance
The R13 other end is connected with indicator lamp LED1 anode；The negative electrode of the indicator lamp LED1 is connected with common ground end；The electricity
Source positive pole VHH voltage is different from positive source VDD voltage.
Anode of the described main circuit also including voltage-regulator diode a Z1, the voltage-regulator diode Z1 connects with common ground end
Connect, the negative electrode of the voltage-regulator diode Z1 is connected with resistance R7 one end.
Described feedback circuit includes resistance R14, R15, R16, R17, R18, R19, R20, R21, R22, electrochemical capacitor
C13, electric capacity C5, amplifier N2, parallel voltage-stabilizing integrated package Z2；One end of the resistance R14 is connected with positive source VHH ends, described
The resistance R14 other end is connected with resistance R15 one end, and the other end of the resistance R15 is connected with resistance R16 one end, institute
State the resistance R16 other end and resistance R17 one end, amplifier N2 IN1+ ends are connected；The other end of the resistance R17, amplifier
N2 GND ends, parallel voltage-stabilizing integrated package Z2 anode are connected with common ground end；The IN1- ends of the amplifier N2 and resistance R18
One end, resistance R19 one end connection；The other end of the resistance R19 and parallel voltage-stabilizing integrated package Z2 negative electrode and with reference to pole,
Resistance R20 one end, resistance R21 one end connection；The other end of the resistance R18 is connected with electrochemical capacitor C13 positive pole；Institute
State electrochemical capacitor C13 negative pole and amplifier N2 OUT1 ends, control circuit are connected；The VCC ends of the amplifier N2, resistance R20
The other end is connected with positive source VDD；The other end of the resistance R21 is connected with electric capacity C5 one end, amplifier N2 IN2- ends；
The described electric capacity C5 other end is connected with resistance R22 one end；The other end of the resistance R22 and amplifier N2 OUT2 ends,
Control circuit connects；The IN2+ ends of the amplifier N2 are connected with the resistance R11 other end.
The model LM358 of the amplifier N2.
Described control circuit includes resistance R23, resistance R24, resistance R25, optocoupler E1, diode D10, D11, electrolysis electricity
Hold C14, electric capacity C6, C7, Switching Power Supply driving chip N1；The anode of the diode D10, diode D11 anode respectively with
Amplifier N2 OUT1 ends connect with OUT2 ends；The negative electrode of the diode D10, diode D11 negative electrode with resistance R23 one
End connection；The other end of the resistance R23 is connected with optocoupler E1 input anode；The input cathode of the optocoupler E1 and public affairs
Earth terminal connection altogether；The output head anode of the optocoupler E1 and resistance R24 one end, electrochemical capacitor C14 positive pole, Switching Power Supply
Driving chip N1 COMP pin connection；The negative pole of output end of the optocoupler E1, the resistance R24 other end, electrochemical capacitor C14 it is negative
Pole, Switching Power Supply driving chip N1 VFB pin and GND pin, electric capacity C7 one end are connected with common ground end；The switch electricity
Source drive chip N1 ISENCE pin are connected with electric capacity C6 one end, resistance the R3 other end, the other end of the electric capacity C6 with
The electric capacity C7 other end, the RT/CT pin connection of resistance R25 one end, Switching Power Supply driving chip N1；The resistance R25's is another
One end is connected with Switching Power Supply driving chip N1 VREF pin；The VCC pin of the Switching Power Supply driving chip N1 are with resistance R7's
One end is connected, and the OUT pin of the Switching Power Supply driving chip N1 are connected with resistance R1 one end.
The model KA3842A of the Switching Power Supply driving chip N1.
After above structure, the present invention compared with prior art, has advantages below：
Three-phase high-frequency harmonic generation device of the present invention is by some common electronic components and some electronic integration block groups
Into, therefore the volume of the device of its composition is also smaller, so that its carrying gets up in the extreme to facilitate.Three-phase harmonic high frequency of the present invention
Wave generation device can control main circuit to produce the power frequency of change and larger voltage magnitude, and the work by control circuit
The excursion of frequency is big in the extreme, and power frequency can be adjusted in real time by feedback circuit, so that its voltage magnitude
It is larger, so as to ensure that the interference effect of high-frequency harmonic.
Brief description of the drawings
Fig. 1 is the circuit block diagram of three-phase high-frequency harmonic generation device of the present invention.
Fig. 2 is the circuit theory diagrams of main circuit.
Fig. 3 is the circuit theory diagrams of feedback circuit.
Fig. 4 is the circuit theory diagrams of control circuit.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of three-phase high-frequency harmonic generation device of the present invention, including one electrically connect with city
Three-phase isolation transformer and a three phase harmonic generating means electrically connected with test product；Described three-phase isolation transformer
It is connected with three phase harmonic generating means；Described three phase harmonic generating means includes control circuit, feedback circuit and and three-phase
The main circuit of isolating transformer connection, described main circuit are connected with control circuit, feedback circuit；Described control circuit also with
Feedback circuit connects.I.e. control circuit control main circuit produces the power frequency of change and larger voltage magnitude, and the power frequency
Excursion it is big in the extreme, and power frequency can be adjusted in real time by feedback circuit.In the present embodiment, two pole
Pipe D1 anode is the three-phase firewire of main circuit, and the anode of the diode D2 is the zero line of main circuit, four respectively with three-phase
Three-phase firewire output end, zero line output end on isolating transformer, the three-phase firewire of test product connect with zero line, so as to pass through
Three phase harmonic generating means produces Hz noise to the mains side of electrical appliance.
Described main circuit includes a transformer T1, FET Q1, indicator lamp LED1；Resistance R1, R2, R3, R4, R5,
R6, R7, R9, R10, R11, R12, R13, diode D1, D2, D3, D4, D5, D6, D7, D8, D9, D12, D13, D14, D15, electricity
Solve electric capacity C11, C12, electric capacity C1, C2, C3, C4；The primary side of the transformer T1 is provided with first coil A and the second coil B, institute
The secondary side for stating transformer T1 is provided with tertiary coil C and the 4th coil D；The anode of the diode D12 is fiery for the A phases of main circuit
Line, the anode of the diode D13 are the B phase firewires of main circuit, and the anode of the diode D1 is the C phase firewires of main circuit,
The anode of the diode D2 is the zero line of main circuit；The anode of the diode D12 is connected with diode D14 negative electrode, institute
The anode for stating diode D13 is connected with diode D15 negative electrode；The anode of the diode D1 connects with diode D3 negative electrode
Connect, negative electrode and diode D12 negative electrode, diode D13 negative electrode, diode D2 negative electrode, the resistance R6 of the diode D1
One end, resistance R5 one end, electric capacity C2 one end, first coil A one end connection；The anode of the diode D2 and two poles
Pipe D4 negative electrode connection；The anode of the diode D14, diode D15 anode, diode D3 anode, diode D4
Anode, electrochemical capacitor C11 negative pole, the second coil B one end are connected with common ground end；The other end of the resistance R6 with
One end connection of control circuit, electrochemical capacitor C11 positive pole, resistance R7；The other end of the resistance R7 and diode D5 the moon
Pole is connected, and the anode of the diode D5 is connected with the second coil B other end；The other end of the resistance R5, electric capacity C2
Negative electrode of the other end with diode D6 is connected；The other end of the first coil A and diode D6 anode, FET Q1
D poles connection；The g poles of the FET Q1 are connected with resistance R1 one end, resistance R2 one end；The resistance R1's is another
End is connected with control circuit；The s poles of the FET Q1 and the resistance R2 other end, resistance R3 one end, the one of resistance R4
End connection；The other end of the resistance R3 is connected with one end of control circuit, electric capacity C1, the other end, the resistance of the electric capacity C1
The R4 other end is connected with common ground end；One end of the tertiary coil C is connected with the 4th coil D one end；Described
The three-winding C other end is connected with diode D7 anode, negative electrode and positive source VDD, the electrochemical capacitor of the diode D7
C12 positive pole connection；One end of the tertiary coil C, electric capacity C3 one end, electrochemical capacitor C12 negative pole, the one of resistance R9
End, resistance R10 one end, resistance R11 one end are connected with common ground end；The other end of the resistance R11 and feedback electricity
Road, variable resistor RL one end connection；One end of the other end of the 4th coil D and diode D8 anode, resistance R12 connects
Connect；The negative electrode of the diode D8, the electric capacity C3 other end, the resistance R9 other end, diode D9 anode, the one of electric capacity C4
End, resistance R13 one end are connected with positive source VHH, the negative electrode of the diode D9 and the resistance R10 other end, variable
The resistance RL other end connects with movable end；The other end of the resistance R12 is connected with the electric capacity C4 other end；The resistance
The R13 other end is connected with indicator lamp LED1 anode；The negative electrode of the indicator lamp LED1 is connected with common ground end；The electricity
Source positive pole VHH voltage is different from positive source VDD voltage.
Anode of the described main circuit also including voltage-regulator diode a Z1, the voltage-regulator diode Z1 connects with common ground end
Connect, the negative electrode of the voltage-regulator diode Z1 is connected with resistance R7 one end.
Described feedback circuit includes resistance R14, R15, R16, R17, R18, R19, R20, R21, R22, electrochemical capacitor
C13, electric capacity C5, amplifier N2, parallel voltage-stabilizing integrated package Z2；One end of the resistance R14 is connected with positive source VHH ends, described
The resistance R14 other end is connected with resistance R15 one end, and the other end of the resistance R15 is connected with resistance R16 one end, institute
State the resistance R16 other end and resistance R17 one end, amplifier N2 IN1+ ends are connected；The other end of the resistance R17, amplifier
N2 GND ends, parallel voltage-stabilizing integrated package Z2 anode are connected with common ground end；The IN1- ends of the amplifier N2 and resistance R18
One end, resistance R19 one end connection；The other end of the resistance R19 and parallel voltage-stabilizing integrated package Z2 negative electrode and with reference to pole,
Resistance R20 one end, resistance R21 one end connection；The other end of the resistance R18 is connected with electrochemical capacitor C13 positive pole；Institute
State electrochemical capacitor C13 negative pole and amplifier N2 OUT1 ends, control circuit are connected；The VCC ends of the amplifier N2, resistance R20
The other end is connected with positive source VDD；The other end of the resistance R21 is connected with electric capacity C5 one end, amplifier N2 IN2- ends；
The described electric capacity C5 other end is connected with resistance R22 one end；The other end of the resistance R22 and amplifier N2 OUT2 ends,
Control circuit connects；The IN2+ ends of the amplifier N2 are connected with the resistance R11 other end.
The model LM358 of the amplifier N2.
Described control circuit includes resistance R23, resistance R24, resistance R25, optocoupler E1, diode D10, D11, electrolysis electricity
Hold C14, electric capacity C6, C7, Switching Power Supply driving chip N1；The anode of the diode D10, diode D11 anode respectively with
Amplifier N2 OUT1 ends connect with OUT2 ends；The negative electrode of the diode D10, diode D11 negative electrode with resistance R23 one
End connection；The other end of the resistance R23 is connected with optocoupler E1 input anode；The input cathode of the optocoupler E1 and public affairs
Earth terminal connection altogether；The output head anode of the optocoupler E1 and resistance R24 one end, electrochemical capacitor C14 positive pole, Switching Power Supply
Driving chip N1 COMP pin connection；The negative pole of output end of the optocoupler E1, the resistance R24 other end, electrochemical capacitor C14 it is negative
Pole, Switching Power Supply driving chip N1 VFB pin and GND pin, electric capacity C7 one end are connected with common ground end；The switch electricity
Source drive chip N1 ISENCE pin are connected with electric capacity C6 one end, resistance the R3 other end, the other end of the electric capacity C6 with
The electric capacity C7 other end, the RT/CT pin connection of resistance R25 one end, Switching Power Supply driving chip N1；The resistance R25's is another
One end is connected with Switching Power Supply driving chip N1 VREF pin；The VCC pin of the Switching Power Supply driving chip N1 are with resistance R7's
One end is connected, and the OUT pin of the Switching Power Supply driving chip N1 are connected with the resistance R1 other end.Control circuit sends PWM letters
Number give main circuit, the circuit on the left of transformer T1 produces power frequency component, and at this moment the circuit on the right side of transformer T1 is adopted to power frequency component
Sample simultaneously delivers to feedback circuit, and signal is fed back to control circuit by feedback circuit after amplification, so that it judges whether to change work
Frequent rate.
The model KA3842A of the Switching Power Supply driving chip N1.
Positive source VDD is generally 36V, and positive source VHH is generally 48V.
Only highly preferred embodiment of the present invention is described above, but is not to be construed as limiting the scope of the invention.This
Invention is not limited only to above example, and its concrete structure allows to change.In every case in the protection model of independent claims of the present invention
It is within the scope of the present invention to enclose interior made various change.
Claims (6)
- A kind of 1. three-phase high-frequency harmonic generation device, it is characterised in that：Including a three-phase isolation transformer electrically connected with city with And the three phase harmonic generating means electrically connected with test product；Described three-phase isolation transformer and three phase harmonic generating means Connection；Described three phase harmonic generating means includes control circuit, feedback circuit and the master being connected with three-phase isolation transformer Circuit, described main circuit are connected with control circuit, feedback circuit；Described control circuit is also connected with feedback circuit, described Main circuit include a transformer T1, FET Q1, indicator lamp LED1；Resistance R1, R2, R3, R4, R5, R6, R7, R9, R10, R11, R12, R13, diode D1, D2, D3, D4, D5, D6, D7, D8, D9, D12, D13, D14, D15, electrochemical capacitor C11, C12, Electric capacity C1, C2, C3, C4；The primary side of the transformer T1 is provided with first coil A and the second coil B, and the two of the transformer T1 Secondary side is provided with tertiary coil C and the 4th coil D；The anode of the diode D12 be main circuit A phase firewires, the diode D13 anode is the B phase firewires of main circuit, and the anode of the diode D1 is the C phase firewires of main circuit, the diode D2's Anode is the zero line of main circuit；The anode of the diode D12 is connected with diode D14 negative electrode, the sun of the diode D13 Pole is connected with diode D15 negative electrode；The anode of the diode D1 is connected with diode D3 negative electrode, the diode D1's Negative electrode and diode D12 negative electrode, diode D13 negative electrode, diode D2 negative electrode, resistance R6 one end, the one of resistance R5 End, one end connection of electric capacity C2 one end, first coil A；The anode of the diode D2 is connected with diode D4 negative electrode；Institute State diode D14 anode, diode D15 anode, diode D3 anode, diode D4 anode, electrochemical capacitor C11 Negative pole, the second coil B one end are connected with common ground end；The other end of the resistance R6 and control circuit, electrochemical capacitor One end connection of C11 positive pole, resistance R7；The other end of the resistance R7 is connected with diode D5 negative electrode, the diode D5 anode is connected with the second coil B other end；The other end of the resistance R5, the electric capacity C2 other end with diode D6 Negative electrode connection；The other end of the first coil A is connected with diode D6 anode, FET Q1 d poles；The field effect Should pipe Q1 g poles be connected with resistance R1 one end, resistance R2 one end；The other end of the resistance R1 is connected with control circuit； The s poles of the FET Q1 are connected with the resistance R2 other end, resistance R3 one end, resistance R4 one end；The resistance R3 The other end be connected with one end of control circuit, electric capacity C1, the other end of the electric capacity C1, the resistance R4 other end with it is public Earth terminal connects；One end of the tertiary coil C is connected with the 4th coil D one end；The other end and two of the tertiary coil C Pole pipe D7 anode connection, the negative electrode of the diode D7 are connected with positive source VDD, electrochemical capacitor C12 positive pole；Described Three-winding C one end, electric capacity C3 one end, electrochemical capacitor C12 negative pole, resistance R9 one end, resistance R10 one end, resistance R11 one end is connected with common ground end；One end of the other end of the resistance R11 and feedback circuit, variable resistor RL connects Connect；The other end of the 4th coil D is connected with diode D8 anode, resistance R12 one end；The moon of the diode D8 Pole, the electric capacity C3 other end, the resistance R9 other end, diode D9 anode, electric capacity C4 one end, resistance R13 one end are equal It is connected with positive source VHH, the negative electrode of the diode D9 and the resistance R10 other end, the variable resistor RL other end and work Moved end connects；The other end of the resistance R12 is connected with the electric capacity C4 other end；The other end and indicator lamp of the resistance R13 LED1 anode connection；The negative electrode of the indicator lamp LED1 is connected with common ground end；The voltage of the positive source VHH and electricity Source positive pole VDD voltage is different.
- 2. three-phase high-frequency harmonic generation device according to claim 1, it is characterised in that：Described main circuit also includes one Voltage-regulator diode Z1, the anode of the voltage-regulator diode Z1 are connected with common ground end, the negative electrode of the voltage-regulator diode Z1 with Resistance R7 one end connection.
- 3. three-phase high-frequency harmonic generation device according to claim 1, it is characterised in that：Described feedback circuit includes electricity R14, R15, R16, R17, R18, R19, R20, R21, R22 are hindered, electrochemical capacitor C13, electric capacity C5, amplifier N2, parallel voltage-stabilizing integrates Block Z2；One end of the resistance R14 is connected with positive source VHH ends, the other end of the resistance R14 and resistance R15 one end Connection, the other end of the resistance R15 are connected with resistance R16 one end, the other end of the resistance R16 and the one of resistance R17 End, amplifier N2 IN1+ ends connection；The other end of the resistance R17, amplifier N2 GND ends, parallel voltage-stabilizing integrated package Z2 sun Pole is connected with common ground end；The IN1- ends of the amplifier N2 are connected with resistance R18 one end, resistance R19 one end；The electricity The R19 other end is hindered with parallel voltage-stabilizing integrated package Z2 negative electrode and with reference to pole, resistance R20 one end, resistance R21 one end to connect Connect；The other end of the resistance R18 is connected with electrochemical capacitor C13 positive pole；The negative pole of the electrochemical capacitor C13 is with amplifier N2's OUT1 ends, control circuit connection；The VCC ends of the amplifier N2, the resistance R20 other end are connected with positive source VDD；The electricity The resistance R21 other end is connected with electric capacity C5 one end, amplifier N2 IN2- ends；The described electric capacity C5 other end and resistance R22 One end connection；The other end of the resistance R22 is connected with amplifier N2 OUT2 ends, control circuit；The IN2+ of the amplifier N2 End is connected with the resistance R11 other end.
- 4. three-phase high-frequency harmonic generation device according to claim 3, it is characterised in that：The model of the amplifier N2 LM358。
- 5. three-phase high-frequency harmonic generation device according to claim 3, it is characterised in that：Described control circuit includes electricity Hinder R23, resistance R24, resistance R25, optocoupler E1, diode D10, D11, electrochemical capacitor C14, electric capacity C6, C7, Switching Power Supply driving Chip N1；The anode of the diode D10, diode D11 anode are connected with amplifier N2 OUT1 ends and OUT2 ends respectively；Institute The one end of diode D10 negative electrode, diode D11 negative electrode with resistance R23 is stated to be connected；The other end of the resistance R23 with Optocoupler E1 input anode connection；The input cathode of the optocoupler E1 is connected with common ground end；The optocoupler E1's is defeated Go out one end of proper pole and resistance R24, electrochemical capacitor C14 positive pole, Switching Power Supply driving chip N1 COMP pin are connected；It is described Optocoupler E1 negative pole of output end, the resistance R24 other end, electrochemical capacitor C14 negative pole, Switching Power Supply driving chip N1 VFB Pin and GND pin, electric capacity C7 one end are connected with common ground end；The ISENCE pin of the Switching Power Supply driving chip N1 and electricity Hold the other end connection of C6 one end, resistance R3, the other end of the electric capacity C6 and the electric capacity C7 other end, the one of resistance R25 End, Switching Power Supply driving chip N1 RT/CT pin connection；The other end of the resistance R25 is with Switching Power Supply driving chip N1's VREF pin connect；The VCC pin of the Switching Power Supply driving chip N1 are connected with resistance R7 one end, and the Switching Power Supply drives core Piece N1 OUT pin are connected with the resistance R1 other end.
- 6. three-phase high-frequency harmonic generation device according to claim 5, it is characterised in that：The Switching Power Supply driving chip N1 model KA3842A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610044659.6A CN105610164B (en) | 2016-01-22 | 2016-01-22 | Three-phase high-frequency harmonic generation device |
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| CN201610044659.6A CN105610164B (en) | 2016-01-22 | 2016-01-22 | Three-phase high-frequency harmonic generation device |
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| CN105610164A CN105610164A (en) | 2016-05-25 |
| CN105610164B true CN105610164B (en) | 2018-03-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03139124A (en) * | 1989-10-23 | 1991-06-13 | Toyo Electric Mfg Co Ltd | Active resonant filter |
| CN101924367A (en) * | 2010-09-02 | 2010-12-22 | 思源清能电气电子有限公司 | High-power intelligent harmonic and reactive current generating device based on IGBT |
| CN102680832A (en) * | 2012-05-24 | 2012-09-19 | 中国西电电气股份有限公司 | Test system and test method of transmission valve |
| CN203502580U (en) * | 2013-10-12 | 2014-03-26 | 上海思创电器设备有限公司 | Checking system for online insulation monitoring device |
| CN103954903A (en) * | 2014-05-21 | 2014-07-30 | 北京航天控制仪器研究所 | Multi-mode output circuit testing system capable of carrying out resolving in real time |
-
2016
- 2016-01-22 CN CN201610044659.6A patent/CN105610164B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03139124A (en) * | 1989-10-23 | 1991-06-13 | Toyo Electric Mfg Co Ltd | Active resonant filter |
| CN101924367A (en) * | 2010-09-02 | 2010-12-22 | 思源清能电气电子有限公司 | High-power intelligent harmonic and reactive current generating device based on IGBT |
| CN102680832A (en) * | 2012-05-24 | 2012-09-19 | 中国西电电气股份有限公司 | Test system and test method of transmission valve |
| CN203502580U (en) * | 2013-10-12 | 2014-03-26 | 上海思创电器设备有限公司 | Checking system for online insulation monitoring device |
| CN103954903A (en) * | 2014-05-21 | 2014-07-30 | 北京航天控制仪器研究所 | Multi-mode output circuit testing system capable of carrying out resolving in real time |
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| CN105610164A (en) | 2016-05-25 |
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