CN105952581B - A kind of wind-driven generator circuit and method using latch-in relay - Google Patents
A kind of wind-driven generator circuit and method using latch-in relay Download PDFInfo
- Publication number
- CN105952581B CN105952581B CN201610425803.0A CN201610425803A CN105952581B CN 105952581 B CN105952581 B CN 105952581B CN 201610425803 A CN201610425803 A CN 201610425803A CN 105952581 B CN105952581 B CN 105952581B
- Authority
- CN
- China
- Prior art keywords
- voltage
- relay
- latch
- blower
- anode
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 29
- 239000004065 semiconductor Substances 0.000 claims description 20
- 238000005070 sampling Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/90—Braking
- F05B2260/903—Braking using electrical or magnetic forces
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The present invention provides a kind of wind-driven generator circuit and method using latch-in relay, including three phase rectifier module, driving power and latch-in relay, the three phase rectifier module is used to the three-phase alternating voltage that blower exports being converted into DC voltage, the positive and negative anodes of the DC voltage are separately connected the positive negative input of the driving power, the output of the driving power connects the coil of the latch-in relay, and the latch-in relay is used to access the three-phase alternating voltage of blower output or the DC voltage of three phase rectifier module output.Blower is exported into threephase AC electric energy or three phase rectifier module DC power output by short circuit when latch-in relay contact closure, blower output energy is converted into thermal energy to realize, achievees the effect that blower is braked；When blower braking, blower output voltage sharp fall, driving power stops working, and latch-in relay continues to realize blower braking protection in the case where coil blackout.
Description
Technical field
The present invention relates to small-sized fan controller technology fields, and in particular to a kind of wind-force hair using latch-in relay
Motor braking circuits and method.
Background technique
Wind-driven generator refers to dragging wind-driven generator mechanical structure by way of applying large energy consumption
In state out of service, popular wording is exactly that blower is allowed to turn not.
Blower braking typically occurs in the electric energy that wind speed is issued more than wind brake set protection value or blower and is much larger than
In the case where backend load energy demand.If fan blade the more can turn the more fast at this time without braking, until being more than mechanical knot
Structure stress and driving, or damage backend load.
The threephase AC electric energy UVW that blower issues mainly is rectified into direct current energy by traditional blower braking method, is led to
The switch state for crossing single-chip microcontroller control brake switch is short-circuit by the direct current energy after AC energy UVW or rectification, this part energy
Amount will consume by way of the dead resistance of brake switch itself is by thermal energy, and brake switch can also concatenate braking electricity
Resistance, to reduce stalling current, a part of thermal energy can consume in braking resistor.Brake switch in conventional fan braking method
The devices such as mainly MOSFET pipe, IGBT pipe, thyristor, power relay.
Conventional fan braking method can not be realized in the case where driving power-off automatically keeps blower on-position, institute for a long time
The electric energy of consumption is more.
Summary of the invention
The present invention provides a kind of wind-driven generator circuit, using latch-in relay, in the case where coil blackout
It can continue to realize that the braking of blower is protected.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of wind-driven generator circuit using latch-in relay, including three phase rectifier module, driving power and
Latch-in relay, the three phase rectifier module are used to the three-phase alternating voltage that blower exports being converted into DC voltage, this is straight
The anode of galvanic electricity pressure is connect with the anode of first capacitor, and the cathode of first capacitor and the cathode of DC voltage are grounded, the direct current
The positive and negative anodes of voltage are separately connected the positive negative input of the driving power, and the output of the driving power connects the self-sustaining relay
The coil of device, three-phase alternating voltage or three phase rectifier module of the latch-in relay for accessing blower output export straight
Galvanic electricity pressure.
Further, one end of three independent contacts of the latch-in relay is separately connected blower three-phase alternating voltage
Output, three independent contact other ends are shorted.
Further, tandem brake resistance one, the system are distinguished in one end of three independent contacts of the latch-in relay
The other end of dynamic resistance one is separately connected the output of blower three-phase alternating voltage, and three independent contact other ends are shorted.
Further, the contact of the latch-in relay is separately connected the anode and cathode of DC voltage.
Further, contact one end tandem brake resistance two of the latch-in relay, the braking resistor two it is another
The anode of end connection DC voltage, the cathode of the contact other end connection DC voltage of latch-in relay.
Further, the driving power is by the second capacitor, third capacitor, current sampling resistor, the first divider resistance,
Two divider resistances, switching mode power supply transformer, diode, metal-oxide-semiconductor and Switching Power Supply management module are constituted；
The anode of the DC voltage is connected to the anode of the second capacitor, and the cathode of the second capacitor is connected to GND, direct current
The anode of pressure is connected to one end of switching mode power supply transformer primary side inductance, the other end connection of switching mode power supply transformer primary side inductance
The drain electrode of metal-oxide-semiconductor, one end of the source electrode connection current sampling resistor of metal-oxide-semiconductor, one end of current sampling resistor are electric with switch simultaneously
The current detecting port of source control module connects, and the other end of current sampling resistor connects GND, the grid connection switch of metal-oxide-semiconductor
The driving port of power management module；Primary side inductance, metal-oxide-semiconductor, the current sampling resistor composition driving electricity of switching mode power supply transformer
The input major loop in source；
The DC voltage is connected to switch electricity by the first divider resistance and the second divider resistance series connection partial pressure, dividing point
The starting voltage detecting port of source control module can be adjusted by adjusting the value of the first divider resistance and the second divider resistance
Starting protection voltage value VON；The anode of secondary inductance one end connection diode of switching mode power supply transformer, the cathode point of diode
Not Lian Jie third capacitor anode and latch-in relay coil anode, the positive connection switch power management of third capacitor
The Voltage Feedback port of module, the secondary inductance other end of switching mode power supply transformer, the cathode of third capacitor, latch-in relay
The cathode of coil connect GND simultaneously.
Further, the driving power further includes RCD absorption circuit, and the RCD absorption circuit is by loop resistance, circuit electricity
Hold and circuit diode constitute, one end of positive the link circuit resistance and tank capacitance of the DC voltage, loop resistance and
The cathode of the other end link circuit diode of tank capacitance, the drain electrode of the anode connection metal-oxide-semiconductor of circuit diode.
The present invention also provides a kind of wind-driven generator methods using latch-in relay, include the following steps:
1) starting protection voltage value V is determined firstON, VONIt is adjusted according to different blower fan control systems；
2) resistance value for determining the first divider resistance and the second divider resistance, according to formulaSelection first
The resistance value size and power of divider resistance and the second divider resistance, then according to formulaJudge whether selected resistance value size and power are suitable, if appropriate i.e.
It determines resistance value and power, otherwise returns and continue to select resistance value and watt level；Wherein VONFor starting protection voltage, PR2For selection
R2 watt level, PR3For the R3 watt level of selection；
3) judge whether DC voltage is greater than VON, power initiation output voltage drives latch-in relay if reaching, from
Blower is exported the positive and negative anodes short circuit of the DC voltage of three-phase alternating voltage or the output of three phase rectifier module, blower by guard relay
Into braking guard mode, output voltage is less than VON, driving power no longer outputting drive voltage, latch-in relay do not consuming
Continue to keep blower on-position in the case where electric energy.
From the above technical scheme, blower is exported threephase AC electric energy by the present invention or three phase rectifier module exports directly
Blower output energy can be converted to thermal energy to realize, be reached by galvanic electricity by short-circuit when latch-in relay contact closure
The effect of blower braking；When blower braking when, blower output voltage sharp fall, driving power stops working, self-sustaining after
Electric appliance continue in the case where coil blackout realize blower braking protection, when automatically keeping blower on-position, self-sustaining after
The coil of electric appliance does not consume any energy.
The present invention can also be cooperated with independent control wind-driven generator with other any wind-driven generator methods
Use, constitute the braking protection of dual or multiple blower, have run it is lossless, flexible modulation protection voltage and can may make up more
The advantages that weight blower braking protection, the reliability, stability and flexibility of controller of fan can be greatly improved.
Detailed description of the invention
Fig. 1 is the circuit diagram of wind-driven generator circuit of the present invention, and shows latch-in relay coil
4 kinds of specific embodiments of contact connection；
Fig. 2 is the circuit diagram of driving power in the present invention；
Fig. 3 is the method flow diagram of wind-driven generator method of the present invention.
In figure: 1, three phase rectifier module, 2, driving power, 3, latch-in relay, 31, coil, 4, braking resistor one, 5,
Braking resistor two, 6, Switching Power Supply management module, 7, RCD absorption circuit, 8, blower.
Specific embodiment
A kind of preferred embodiment of the invention is described in detail with reference to the accompanying drawing.
As shown in Figure 1, the wind-driven generator circuit is by three phase rectifier module 1, driving power 2 and self-sustaining relay
Device 3 is constituted, and the three phase rectifier module 1 is used to the three-phase alternating voltage UVW that blower 8 exports being converted into DC voltage DC, should
The anode of DC voltage is connect with the anode of first capacitor C1, and the cathode of first capacitor C1 and the cathode of DC voltage DC are grounded.
The positive and negative anodes of the DC voltage DC are separately connected the positive negative input of the driving power 2, and the output of the driving power connects institute
State the coil 31 of latch-in relay 3, the latch-in relay 3 be used to access blower output three-phase alternating voltage UVW or
The DC voltage DC of three phase rectifier module output.
The contact connection of latch-in relay coil uses following four kinds of modes:
Mode 1, one end of three independent contacts of latch-in relay 3 are separately connected the output of blower three-phase alternating voltage
UVW, three independent contact other ends are shorted.
Distinguish tandem brake resistance one, the braking resistor in one end of mode 2, three independent contacts of latch-in relay 3
One other end is separately connected blower three-phase alternating voltage output UVW, and three independent contact other ends are shorted.
Mode 3, the contact of latch-in relay 3 are separately connected the anode and cathode of DC voltage DC.
Mode 4, contact one end tandem brake resistance two of latch-in relay 3, the other end connection of the braking resistor two
The anode of DC voltage DC, the cathode of the contact other end connection DC voltage DC of latch-in relay.
Latch-in relay 3 mainly includes magnetic latching relay, electromagnetic mechanical latch-in relay etc. in coil blackout
When can also voluntarily keep the relay of contacts status, this latch-in relay is equally made of coil and contact, its work
Process is as follows: after through voltage drive relay coil, relay contact will be closed, and coil does not need excitation electricity at this time
Pressure, contact can keep contact closure condition under the action of the magnetic force of permanent magnet or intermediate mechanical device；Similarly, when
After applying reverse energization voltage to coil, relay contact is disconnected, and coil can be forever again without driving voltage, contact at this time
Contact off-state is kept under the action of the magnetic force or intermediate mechanical device of long magnet.
Latch-in relay 3 uses the magnetic latching relay of three independent contact of unicoil in the mode 1 and 2, described
Latch-in relay 3 uses unicoil single contact magnetic latching relay in mode 3 and 4.Magnetic latching relay applies just in coil
When to voltage, contact closure, coil voltage being and not being, contact are all always maintained at closed state at this time, are only applied in coil
When backward voltage, contact just be will disconnect, and can be always maintained at off-state, when coil is applied forward voltage, contact
Restore closed state.
When the direct current energy that three phase rectifier module 1 exports is greater than the starting voltage of driving power 2, driving power 2 is exported
Driving voltage drives the coil 31 of latch-in relay 3, and then the contact closure of latch-in relay, blower is exported electric energy
It is converted to the thermal energy of braking resistor and latch-in relay itself and wind turbine power generation machine coil and consumes.
As shown in Fig. 2, the driving power 2 is by the second capacitor C2, third capacitor C3, current sampling resistor R1, first point
Piezoresistance R2, the second divider resistance R3, switching mode power supply transformer T1, diode D1, metal-oxide-semiconductor Q1 and Switching Power Supply management module 6
It constitutes.
The anode of the DC voltage DC is connected to the anode of the second capacitor C2, and the cathode of the second capacitor C2 is connected to GND,
The anode of DC voltage DC is connected to 1 foot of switching mode power supply transformer T1 primary side inductance, switching mode power supply transformer T1 primary side inductance
2 feet connection metal-oxide-semiconductor Q1 drain electrode, metal-oxide-semiconductor Q1 source electrode connection current sampling resistor R1 one end, current sampling resistor R1's
One end is connect with the current detecting port of Switching Power Supply management module 6 simultaneously, and the other end of current sampling resistor R1 connects GND,
The driving port of the grid connection switch power management module 6 of metal-oxide-semiconductor Q1；Primary side inductance, the metal-oxide-semiconductor of switching mode power supply transformer T1
The input major loop of Q1, current sampling resistor R1 composition driving power 2.
The DC voltage DC is connected to by the first divider resistance R2 and the second divider resistance R3 series connection partial pressure, dividing point
The starting voltage detecting port of Switching Power Supply management module 6, by adjusting the first divider resistance R2's and the second divider resistance R3
Value, can adjust starting protection voltage value VON；The anode of the 3 feet connection diode D1 of switching mode power supply transformer T1 secondary inductance,
The cathode of diode D1 is separately connected the anode of the anode of third capacitor C3 and the coil 31 of latch-in relay 3, third capacitor
The Voltage Feedback port of the positive connection switch power management module 6 of C3,4 feet of switching mode power supply transformer T1 secondary inductance,
The cathode of three capacitor C3, the cathode of the coil 31 of latch-in relay connect GND simultaneously.
The driving power 2 further includes RCD absorption circuit 7, and for absorbing the peak voltage of metal-oxide-semiconductor Q1 drain electrode, which inhales
It withdraws routing loop resistance R4, tank capacitance C4 and circuit diode D2 to constitute, the positive link circuit of the DC voltage DC
The other end link circuit diode D2's of one end of resistance R4 and tank capacitance C4, loop resistance R4 and tank capacitance C4 is negative
Pole, the drain electrode of the anode connection metal-oxide-semiconductor Q1 of circuit diode D2.
The Switching Power Supply management module 6 connects DC voltage DC to obtain operating voltage, connects with the grid of metal-oxide-semiconductor Q1
It connects to drive Q1 to control reverse exciting switching voltage regulator, connects dividing point with R2/R3 to realize and adjust starting voltage, connection current sample is electric
Current sample is realized in the one end for hindering R1, realizes overcurrent, the overload, short-circuit protection function of driving power 2, connection third capacitor C3's
Anode is to realize that voltage close loop is fed back.
In the present embodiment, NCP1255 family chip of the Switching Power Supply management module 6 using Onsen company, the series core
7th foot voltage of piece is only when being higher than 0.8V, and chip just will start work, and the present invention is for the first time by NCP1255 family chip
This functional application brakes defencive function in blower.
As shown in figure 3, the specific workflow of wind-driven generator method of the present invention is as follows:
Firstly, determining starting protection voltage value VON, VONIt can be adjusted according to different blower fan control systems；
Then, the resistance value and watt level for selecting the first divider resistance R2 and the second divider resistance R3, according to NCP1255
Characteristic obtain formulaAccording to formulaThe resistance value of resistance R2 and R3 may be selected,
The performance number of simultaneous selection resistance R2 and R3；According to formula Selected by judgement
Whether resistance value size and power are suitable, determine resistance value and power if appropriate, otherwise return and continue to select resistance value and power
Size.
Wherein VONFor starting protection voltage, PR2For the R2 watt level of selection, PR3For the R3 watt level of selection, formula
Concrete meaning it is as follows:
Starting protection voltage VONWhen the partial pressure on R2 and R3 is only more than or equal to 0.8V, switch
Power management module just will start work；
According to starting protection voltage VON, selection R2 and R3 resistance value size calculate starting protection electricity
Press VONThe current value generated on resistance R2 and R3；
According to starting protection voltage VON, selection R2 and R3 resistance value calculate starting protection electricity
Press VONThe performance number generated on R2；
According to starting protection voltage VON, selection R2 and R3 resistance value calculate starting protection electricity
Press VONThe performance number generated on R3；
According to starting protection voltage VON, selection R2 and R3 the calculated starting of resistance value
Protect voltage VONThe performance number generated on R2 should be less than the performance number of the R2 of selection；
According to starting protection voltage VON, selection R2 and R3 the calculated starting of resistance value
Protect voltage VONThe performance number generated on R3 should be less than the performance number of the R3 of selection.
The two conditions are set up simultaneously, the resistance value and function of R2, R3
Rate sizes values could be determined finally, the resistance value size and watt level for reselecting R2, R3 otherwise be returned to, until above-mentioned two
Until condition is set up simultaneously.
Finally, judging whether DC voltage DC is greater than VON, power initiation output voltage drives self-sustaining relay if reaching
Device 3, latch-in relay are positive and negative by blower output three-phase alternating voltage UVW or three phase rectifier module the DC voltage DC's exported
Extremely short road, blower 8 enter braking guard mode, and output voltage is less than VON, driving power no longer outputting drive voltage, self-sustaining after
Electric appliance 3 continues to keep blower on-position in the case where not consuming electric energy.Until maintenance personal is to latch-in relay coil
After applying reverse energization pulse, latch-in relay just be will disconnect, to terminate latch-in relay formula blower braking method.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should be fallen within the scope of protection determined by the claims of the present invention.
Claims (7)
1. a kind of wind-driven generator circuit using latch-in relay, which is characterized in that including three phase rectifier module
(1), driving power (2) and latch-in relay (3), the three phase rectifier module (1) are used for the three-phase alternating current for exporting blower
Voltage is converted into DC voltage (DC), and the anode of the DC voltage (DC) is connect with the anode of first capacitor (C1), first capacitor
(C1) cathode of cathode and DC voltage (DC) is grounded, and the positive and negative anodes of the DC voltage (DC) are separately connected the driving electricity
The positive negative input in source (2), the output of the driving power connect the coil (31) of the latch-in relay (3), the self-sustaining
Relay (3) is used to access the three-phase alternating voltage of blower output or the DC voltage (DC) of three phase rectifier module output；
The driving power (2) is by the second capacitor (C2), third capacitor (C3), current sampling resistor (R1), the first divider resistance
(R2), the second divider resistance (R3), switching mode power supply transformer (T1), diode (D1), metal-oxide-semiconductor (Q1) and Switching Power Supply manage mould
Block (6) is constituted；
The anode of the DC voltage (DC) is connected to the anode of the second capacitor (C2), and the cathode of the second capacitor (C2) is connected to
GND, the anode of DC voltage (DC) are connected to one end of switching mode power supply transformer (T1) primary side inductance, switching mode power supply transformer
(T1) drain electrode of other end connection metal-oxide-semiconductor (Q1) of primary side inductance, source electrode connection current sampling resistor (R1) of metal-oxide-semiconductor (Q1)
One end of one end, current sampling resistor (R1) is connect with the current detecting port of Switching Power Supply management module (6) simultaneously, and electric current is adopted
The other end of sample resistance (R1) connects GND, the driving port of the grid connection switch power management module (6) of metal-oxide-semiconductor (Q1)；It opens
Close the input master of primary side inductance, metal-oxide-semiconductor (Q1), current sampling resistor (R1) composition driving power (2) of power transformer (T1)
Circuit；
The DC voltage (DC) passes through the first divider resistance (R2) and the second divider resistance (R3) series connection partial pressure, dividing point connection
To the starting voltage detecting port of Switching Power Supply management module (6), by adjusting the first divider resistance (R2) and the second partial pressure electricity
The value for hindering (R3), can adjust starting protection voltage value VON；Secondary inductance one end of switching mode power supply transformer (T1) connects two poles
The anode of (D1) is managed, the cathode of diode (D1) is separately connected the anode and the coil of latch-in relay of third capacitor (C3)
Anode, the Voltage Feedback port of the positive connection switch power management module (6) of third capacitor (C3), switching mode power supply transformer
(T1) cathode of the secondary inductance other end, third capacitor (C3), the cathode of the coil of latch-in relay connect GND simultaneously.
2. wind-driven generator circuit according to claim 1, which is characterized in that the latch-in relay (3)
One end of three independent contacts is separately connected the output of blower three-phase alternating voltage, and three independent contact other ends are shorted.
3. wind-driven generator circuit according to claim 1, which is characterized in that the latch-in relay (3)
Tandem brake resistance one (4) are distinguished in one end of three independent contacts, and the other end of the braking resistor one is separately connected blower three-phase
Alternating voltage output, three independent contact other ends are shorted.
4. wind-driven generator circuit according to claim 1, which is characterized in that the latch-in relay (3)
Contact is separately connected the anode and cathode of DC voltage (DC).
5. wind-driven generator circuit according to claim 1, which is characterized in that the latch-in relay (3)
Contact one end tandem brake resistance two (5), the anode of other end connection DC voltage (DC) of the braking resistor two, contact are another
The cathode of end connection DC voltage (DC).
6. wind-driven generator circuit according to claim 1, which is characterized in that the driving power (2) further includes
RCD absorption circuit (7), the RCD absorption circuit are made of loop resistance (R4), tank capacitance (C4) and circuit diode (D2),
One end of positive the link circuit resistance (R4) and tank capacitance (C4) of the DC voltage (DC), loop resistance (R4) and circuit
The cathode of the other end link circuit diode (D2) of capacitor (C4), anode connection metal-oxide-semiconductor (Q1) of circuit diode (D2)
Drain electrode.
7. a kind of wind-driven generator method using any one of the claim 1-6 wind-driven generator circuit,
It is characterized in that, includes the following steps:
1) starting protection voltage value V is determined firstON, VONIt is adjusted according to different blower fan control systems；
2) resistance value for determining the first divider resistance (R2) and the second divider resistance (R3), according to formulaSelection
The resistance value size and power of first divider resistance (R2) and the second divider resistance (R3), then according to formulaJudge whether selected resistance value size and power are suitable, if appropriate i.e.
It determines resistance value and power, otherwise returns and continue to select resistance value and watt level；Wherein VONFor starting protection voltage value, PR2For choosing
The R selected2Watt level, PR3For the R of selection3Watt level；
3) judge whether DC voltage (DC) is greater than VON, power initiation output voltage driving latch-in relay (3) if reaching,
Latch-in relay by blower export three-phase alternating voltage or three phase rectifier module output DC voltage (DC) it is positive and negative extremely short
Road, blower enter braking guard mode, and output voltage is less than VON, driving power no longer outputting drive voltage, latch-in relay
Continue to keep blower on-position in the case where not consuming electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610425803.0A CN105952581B (en) | 2016-06-15 | 2016-06-15 | A kind of wind-driven generator circuit and method using latch-in relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610425803.0A CN105952581B (en) | 2016-06-15 | 2016-06-15 | A kind of wind-driven generator circuit and method using latch-in relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952581A CN105952581A (en) | 2016-09-21 |
| CN105952581B true CN105952581B (en) | 2019-05-07 |
Family
ID=56905712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610425803.0A Active CN105952581B (en) | 2016-06-15 | 2016-06-15 | A kind of wind-driven generator circuit and method using latch-in relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952581B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113723135B (en) * | 2021-11-01 | 2022-02-18 | 北京智芯微电子科技有限公司 | Intelligent switch circuit, system, circuit and chip applying intelligent switch system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2669452Y (en) * | 2003-11-03 | 2005-01-05 | 李恩君 | Wind energy-solar complementary generating device |
| WO2007109048A2 (en) * | 2006-03-16 | 2007-09-27 | International Components Corporation | A novel speed sensing circuit for a wind turbine generator |
| JP2008118807A (en) * | 2006-11-07 | 2008-05-22 | Nasu Denki Tekko Co Ltd | Fail-safe control device of wind turbine generator and control method therefor |
| CN101490411A (en) * | 2006-07-21 | 2009-07-22 | 再生动力***股份公司 | Method for operating a wind energy installation |
| CN102094754A (en) * | 2009-12-14 | 2011-06-15 | 谭宗享 | Electronic brake system for wind driven generator |
| CN201953563U (en) * | 2011-02-24 | 2011-08-31 | 华锐风电科技(集团)股份有限公司 | Safety control device for high-power wind turbine |
| CN103089541A (en) * | 2013-02-20 | 2013-05-08 | 欣达重工股份有限公司 | Wind generating set safety chain control system |
| CN205714579U (en) * | 2016-06-15 | 2016-11-23 | 合肥为民电源有限公司 | A kind of wind-driven generator circuit using latch-in relay |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120070285A1 (en) * | 2010-09-16 | 2012-03-22 | Clipper Windpower, Inc. | independent, distributed protection and safety system with fiber optic communication for wind turbines |
-
2016
- 2016-06-15 CN CN201610425803.0A patent/CN105952581B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2669452Y (en) * | 2003-11-03 | 2005-01-05 | 李恩君 | Wind energy-solar complementary generating device |
| WO2007109048A2 (en) * | 2006-03-16 | 2007-09-27 | International Components Corporation | A novel speed sensing circuit for a wind turbine generator |
| CN101490411A (en) * | 2006-07-21 | 2009-07-22 | 再生动力***股份公司 | Method for operating a wind energy installation |
| JP2008118807A (en) * | 2006-11-07 | 2008-05-22 | Nasu Denki Tekko Co Ltd | Fail-safe control device of wind turbine generator and control method therefor |
| CN102094754A (en) * | 2009-12-14 | 2011-06-15 | 谭宗享 | Electronic brake system for wind driven generator |
| CN201953563U (en) * | 2011-02-24 | 2011-08-31 | 华锐风电科技(集团)股份有限公司 | Safety control device for high-power wind turbine |
| CN103089541A (en) * | 2013-02-20 | 2013-05-08 | 欣达重工股份有限公司 | Wind generating set safety chain control system |
| CN205714579U (en) * | 2016-06-15 | 2016-11-23 | 合肥为民电源有限公司 | A kind of wind-driven generator circuit using latch-in relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952581A (en) | 2016-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Inoue et al. | A bidirectional DC–DC converter for an energy storage system with galvanic isolation | |
| CN104660022B (en) | The system and method that overcurrent protection is provided for supply convertor | |
| CN103475292B (en) | A kind of switch reluctance generator system realizing quick-response excitation/demagnetization | |
| CN103745883B (en) | A kind of combined type Arcless AC Contactor with transistors breakdown diagnostic function | |
| CN204559455U (en) | Switching magnetic-resistance wind power generator control system | |
| CN101667801B (en) | Excitation system of generator | |
| CN104300859B (en) | Switch reluctance generator power converter topological structure and control method thereof | |
| CN101127286A (en) | Permanent magnetic machine controller based on pulse modulation technology | |
| CN105375435A (en) | Self-power protection device and self-power protection device on the basis of power and tripping induction of three-phase current | |
| CN105952581B (en) | A kind of wind-driven generator circuit and method using latch-in relay | |
| CN201160036Y (en) | Low-power consumption intelligent zero crossing throwing and cutting controller | |
| CN204156616U (en) | For the self-induction power-supply circuit of intelligent grid sensing device | |
| CN206611355U (en) | A kind of current feedback device under permagnetic synchronous motor startup, braking | |
| CN202906730U (en) | Self-switching-on-off starting control circuit used for LED flyback driving power supply | |
| CN205714579U (en) | A kind of wind-driven generator circuit using latch-in relay | |
| US20110211292A1 (en) | Electric Fence Energiser | |
| CN201274460Y (en) | Multifunctional intelligent control apparatus for wind and electricity powered oil extractor | |
| CN201328095Y (en) | Mineral flame-proof type variable-frequency high-voltage soft start device | |
| CN203457054U (en) | Wide input voltage flyback switching power supply suitable for DC motor driving | |
| CN209329992U (en) | A kind of electromagnetic clutch or brake control circuit based on single-chip microcontroller pulsewidth modulation | |
| CN103199688B (en) | Switching power supply and power-on impact current suppression method thereof | |
| CN117136490A (en) | Apparatus configured to receive power from a power source | |
| CN208571967U (en) | A kind of intelligence control system of excitation chopper | |
| CN207196824U (en) | The tracking adjusting power-saving device of central air-conditioning | |
| CN109936193A (en) | A kind of wind-power electricity generation discharging circuit and unloading control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |