CN103595315A - Intelligent voltage regulating controller of small generator - Google Patents
Intelligent voltage regulating controller of small generator Download PDFInfo
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- CN103595315A CN103595315A CN201310601369.3A CN201310601369A CN103595315A CN 103595315 A CN103595315 A CN 103595315A CN 201310601369 A CN201310601369 A CN 201310601369A CN 103595315 A CN103595315 A CN 103595315A
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Abstract
The invention relates to general generator equipment, in particular to an intelligent voltage regulating controller of a small generator. The negative electrode of a diode D1 is connected with the positive input end of an operational amplifier U1B of a time delay setting circuit (7), one end of a resistor R1 and one end of a capacitor C1, the adjusting resistance output end of an electricity generation output voltage setting circuit (4) is connected with the negative electrode of a diode D3 of an impedance conversion circuit (8), one end of a resistor R5 of the time delay setting circuit (7), the negative electrode of a diode D2 and one end of a capacitor C3 are connected with the positive input end of an operational amplifier U1A of the impedance conversion circuit (8), the other end of the capacitor C3 is connected with the ground, and one end of a resistor R3 is connected with the work power supply plus end of the operational amplifier U1A of the impedance conversion circuit (8). The intelligent voltage regulating controller has the advantages of being simple and compact in structure and capable of automatically reducing voltages and greatly improving the operating capacity of a small synchronous generator with a motor.
Description
Technical field
The present invention relates to logical machine generating equipment, especially a kind of small generator intelligent pressure regulating controller.
Background technology
Although existing generator regulator energy automatic Regulation, the output voltage of generator just can not be in the change that is in operation after setting, once generating output load surpasses the peak power output of source motivation, source motivation will be stopped because of excess load.Special in the motor with inductive load, the normal starting current of the motor in many institute's weeks is three times to seven times of running current, and the electric current 5.49 when a 3KW motor is capable is pacified, and during startup, every phase current is exactly that 16.47-38.43 pacifies.As having the every mutually maximum electromotive power output of generator of 6.5KW three-phase output, a maximum only has 2.16KW, maximum output current 9.8 peaces.It seems and not can start.
Prior art only has overcurrent protection, there is no the function of overcurrent pressure regulation.
Summary of the invention
Object of the present invention has increased the function of the automatic step-down delay recovery of overcurrent on the basis of existing voltage regulator, just can complete the upper automatic reduced-voltage starting at small generator for motor, the ability of Mini-type synchronous generator band motor operation just improves a lot like this.
Object of the present invention adopts technical scheme, comprise field power supply ballasting circuit, protection control circuit, power output circuit, generating output voltage arranges circuit, sampling power supply ballasting circuit, generator amature magnet exciting coil, generator excitation power connects field power supply ballasting circuit input, the input of the excitation DC voltage output end sending and receiving rotor magnet exciting coil of field power supply ballasting circuit, the excitation that excitation detects output termination protection control circuit detects input, ground connection output head grounding, the protection control output end of protection control circuit connects the protection control input end of power output circuit, the output of the generator amature magnet exciting coil input sending and receiving rotor magnet exciting coil of power output circuit, generating output voltage arranges the voltage of circuit and sets the voltage set input of exporting termination power output circuit, the adjustable end of output adjusting resistance termination adjustable resistance W, the input sending and receiving motor of sampling power supply ballasting circuit is got electromechanical source output, the sampling that sampling detects output termination protection control circuit detects input, output regulating resistor termination adjustable resistance W one end, adjustable resistance W other end ground connection, the overcurrent protection signal output part of power output circuit connects overcurrent protection sample resistance R one end altogether, the overcurrent protection signal input part of protection control circuit, diode D1 is anodal, the other end ground connection of overcurrent protection sample resistance R, it is characterized in that diode D1 negative pole connects the positive input terminal of the operational amplifier U1B that sets delay circuit altogether, resistance R 1 one end, capacitor C 1 one end, generating output voltage arranges the negative pole of diode D3 of the output adjusting resistance termination impedance translation circuit of circuit, set resistance R 5 one end of delay circuit, diode D2 negative pole, capacitor C 3 one end are connected jointly with the positive input terminal of the operational amplifier U1A of impedance switched circuit, capacitor C 3 other end ground connection, resistance R 3 one end and operational amplification circuit working power end access sample power supply ballasting circuit working power output altogether.
Also have, the negative input end of setting the operational amplifier U1B of delay circuit connects altogether the adjustable end of adjustable resistance W1, one end of resistance R 4, capacitor C 2 one end, terminating resistor R2 one end of adjustable resistance W1, resistance R 2 other ends are the connecting resistance R1 other end, capacitor C 1 other end, ground connection altogether, the output of operational amplifier U1B is the connecting resistance R4 other end, capacitor C 2 other ends, diode D2 positive pole, resistance R 5 other ends altogether, capacitor C 3 other end ground connection, the other end connecting resistance R3 other end of adjustable resistance W1.
Also have, the working power anode of the operational amplifier U1A of impedance inverter circuit and resistance R 3 one terminations connect working power altogether; The negative input end that the working power earth terminal ground connection of operational amplifier U1A, output meet operational amplifier U1A altogether, resistance R 6 one end, resistance R 6 another terminating diode D3 are anodal.
The present invention, has simple and compact for structurely, and automatically step-down, improves a lot to Mini-type synchronous generator band motor serviceability.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, further illustrate the present invention.
Fig. 1 is circuit connection diagram of the present invention.
In figure: 1-field power supply ballasting circuit 2-protection control circuit 3-power output circuit 4-generating output voltage arranges circuit 5-sampling power supply ballasting circuit 6-generator amature magnet exciting coil 7-and sets delay circuit 8-impedance inverter circuit R1, R2, R3, R4, R5, R6-resistance D1, D2, D3-diode U1A, U1B-operational amplifier C1, C2, C3-electric capacity.
Embodiment
Shown in Fig. 1, comprise field power supply ballasting circuit 1, protection control circuit 2, power output circuit 3, generating output voltage arranges circuit 4, sampling power supply ballasting circuit 5, generator amature magnet exciting coil 6, generator excitation power connects field power supply ballasting circuit 1 input, the input of the excitation DC voltage output end sending and receiving rotor magnet exciting coil 6 of field power supply ballasting circuit 1, the excitation that excitation detects output termination protection control circuit 2 detects input, ground connection output head grounding, the protection control output end of protection control circuit 2 connects the protection control input end of power output circuit 3, the output of the generator amature magnet exciting coil input sending and receiving rotor magnet exciting coil 6 of power output circuit 3, generating output voltage arranges the voltage of circuit 4 and sets the voltage set input of exporting termination power output circuit 3, the adjustable end of output adjusting resistance termination adjustable resistance W, the input sending and receiving motor of sampling power supply ballasting circuit 5 is got electromechanical source output, the sampling that sampling detects output termination protection control circuit 2 detects input, output regulating resistor termination adjustable resistance W one end, adjustable resistance W other end ground connection, the overcurrent protection signal output part of power output circuit 3 connects overcurrent protection sample resistance R one end altogether, the overcurrent protection signal input part of protection control circuit 2, diode D1 is anodal, the other end ground connection of overcurrent protection sample resistance R, it is characterized in that diode D1 negative pole connects the positive input terminal of the operational amplifier U1B that sets delay circuit 7 altogether, resistance R 1 one end, capacitor C 1 one end, generating output voltage arranges the negative pole of diode D3 of the output adjusting resistance termination impedance translation circuit 8 of circuit 4, set resistance R 5 one end of delay circuit 7, diode D2 negative pole, capacitor C 3 one end are connected jointly with the positive input terminal of the operational amplifier U1A of impedance switched circuit 8, capacitor C 3 other end ground connection, resistance R 3 one end and operational amplification circuit working power end access (5) working power output of sample power supply ballasting circuit altogether.
Also have, the negative input end of setting the operational amplifier U1B of delay circuit 7 connects altogether the adjustable end of adjustable resistance W1, one end of resistance R 4, capacitor C 2 one end, terminating resistor R2 one end of adjustable resistance W1, resistance R 2 other ends are the connecting resistance R1 other end, capacitor C 1 other end, ground connection altogether, the output of operational amplifier U1B is the connecting resistance R4 other end, capacitor C 2 other ends, diode D2 positive pole, resistance R 5 other ends altogether, capacitor C 3 other end ground connection, the other end connecting resistance R3 other end of adjustable resistance W1.
Also have, the working power anode of the operational amplifier U1A of impedance inverter circuit 8 and resistance R 3 one terminations connect working power altogether; The negative input end that the working power earth terminal ground connection of operational amplifier U1A, output meet operational amplifier U1A altogether, resistance R 6 one end, resistance R 6 another terminating diode D3 are anodal.
The course of work of the present invention: will produce a voltage drop in resistance R when voltage regulator enters normal operation, this pressure drop signal is added on the positive input terminal of operational amplifier U1B by diode D1, resistance R 1, 1 of capacitor C plays amplitude limit and shaping, when the voltage signal by diode D1 is greater than U1B negative input end setting voltage and puts, operational amplifier will be exported a high level, capacitor C 2, resistance R 4 is here negative return current feed circuit and make whole circuit steady operation, the high level of U1B output is by diode D2, 5 pairs of capacitor C 3 of resistance R are charged, U1A positive input terminal also obtains same equipotential simultaneously, U1A here just an impedance inverter circuit to input how many Voltage-outputs be exactly how much voltage.The voltage of U1A output is by resistance R 6, and diode D3 is added in W and adjusts variable-resistance adjustment end.After in capacitor C 3, institute's charging voltage is adjusted variable resistor adjustment terminal voltage voltage higher than W, whole voltage regulator controllers will enter the negative feedback pressure regulation process of returning of secondary.When being less than U1B negative input end setting postpone U1B, the signal by diode D1 is output as zero level, at this moment capacitor C 3 is discharged by resistance R 5, voltage in capacitor C 3 drop to W adjust variable resistor adjust terminal voltage following after negative the returning of whole secondary present pressure regulation process and complete, the state of deactivating, former voltage regulator recovers normal operation.
Claims (3)
1. a small generator intelligent pressure regulating controller, comprise field power supply ballasting circuit (1), protection control circuit (2), power output circuit (3), generating output voltage arranges circuit (4), sampling power supply ballasting circuit (5), generator amature magnet exciting coil (6), generator excitation power connects field power supply ballasting circuit (1) input, the input of the excitation DC voltage output end sending and receiving rotor magnet exciting coils (6) of field power supply ballasting circuit (1), the excitation that excitation detects output termination protection control circuit (2) detects input, ground connection output head grounding, the protection control output end of protection control circuit (2) connects the protection control input end of power output circuit (3), the output of the generator amature magnet exciting coil input sending and receiving rotor magnet exciting coils (6) of power output circuit (3), generating output voltage arranges the voltage of circuit (4) and sets the voltage set input of exporting termination power output circuit (3), the adjustable end of output adjusting resistance termination adjustable resistance W, the input sending and receiving motor of sampling power supply ballasting circuit (5) is got electromechanical source output, the sampling that sampling detects output termination protection control circuit (2) detects input, output regulating resistor termination adjustable resistance W one end, adjustable resistance W other end ground connection, the overcurrent protection signal output part of power output circuit (3) connects overcurrent protection sample resistance R one end altogether, the overcurrent protection signal input part of protection control circuit (2), diode D1 is anodal, the other end ground connection of overcurrent protection sample resistance R, it is characterized in that diode D1 negative pole connects the positive input terminal of the operational amplifier U1B that sets delay circuit (7) altogether, resistance R 1 one end, capacitor C 1 one end, generating output voltage arranges the negative pole of diode D3 of the output adjusting resistance termination impedance translation circuit (8) of circuit (4), set resistance R 5 one end of delay circuit (7), diode D2 negative pole, capacitor C 3 one end are connected jointly with the positive input terminal of the operational amplifier U1A of impedance switched circuit (8), capacitor C 3 other end ground connection, resistance R 3 one end and operational amplification circuit working power end access (5) working power output of sample power supply ballasting circuit altogether.
2. a kind of small generator intelligent pressure regulating controller according to claim 1, the negative input end that it is characterized in that setting the operational amplifier U1B of delay circuit (7) connects the adjustable end of adjustable resistance W1 altogether, one end of resistance R 4, capacitor C 2 one end, terminating resistor R2 one end of adjustable resistance W1, resistance R 2 other ends are the connecting resistance R1 other end altogether, capacitor C 1 other end, ground connection, the output of operational amplifier U1B is the connecting resistance R4 other end altogether, capacitor C 2 other ends, diode D2 is anodal, resistance R 5 other ends, capacitor C 3 other end ground connection, the other end connecting resistance R3 other end of adjustable resistance W1.
3. a kind of small generator intelligent pressure regulating controller according to claim 1, is characterized in that working power anode and resistance R 3 one terminations of the operational amplifier U1A of impedance inverter circuit (8) connect working power altogether; The negative input end that the working power earth terminal ground connection of operational amplifier U1A, output meet operational amplifier U1A altogether, resistance R 6 one end, resistance R 6 another terminating diode D3 are anodal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601369.3A CN103595315B (en) | 2013-11-25 | 2013-11-25 | Small generator intelligent pressure regulating controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601369.3A CN103595315B (en) | 2013-11-25 | 2013-11-25 | Small generator intelligent pressure regulating controller |
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| CN103595315A true CN103595315A (en) | 2014-02-19 |
| CN103595315B CN103595315B (en) | 2016-01-20 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05316800A (en) * | 1992-05-11 | 1993-11-26 | Toshiba Corp | Overexcitation preventive controller for synchronous generator |
| CN101483405A (en) * | 2009-02-27 | 2009-07-15 | 艾纯 | Voltage lowering starting type generator regulator |
| CN201365223Y (en) * | 2009-02-27 | 2009-12-16 | 艾纯 | Automatic excitation voltage regulator of generator |
| CN102644485A (en) * | 2012-05-05 | 2012-08-22 | 杨祚双 | Pneumatic power generating device |
| CN202759408U (en) * | 2012-06-15 | 2013-02-27 | 重庆市九永电子有限公司 | Voltage regulator of brush power generator |
| CN203554350U (en) * | 2013-11-25 | 2014-04-16 | 重庆卡滨通用机械有限公司 | Small generator intelligent voltage regulation controller |
-
2013
- 2013-11-25 CN CN201310601369.3A patent/CN103595315B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05316800A (en) * | 1992-05-11 | 1993-11-26 | Toshiba Corp | Overexcitation preventive controller for synchronous generator |
| CN101483405A (en) * | 2009-02-27 | 2009-07-15 | 艾纯 | Voltage lowering starting type generator regulator |
| CN201365223Y (en) * | 2009-02-27 | 2009-12-16 | 艾纯 | Automatic excitation voltage regulator of generator |
| CN102644485A (en) * | 2012-05-05 | 2012-08-22 | 杨祚双 | Pneumatic power generating device |
| CN202759408U (en) * | 2012-06-15 | 2013-02-27 | 重庆市九永电子有限公司 | Voltage regulator of brush power generator |
| CN203554350U (en) * | 2013-11-25 | 2014-04-16 | 重庆卡滨通用机械有限公司 | Small generator intelligent voltage regulation controller |
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| Publication number | Publication date |
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| CN103595315B (en) | 2016-01-20 |
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