CN107816414A - Without hindrance dual control contour wind turbine control system - Google Patents

Abstract

Without hindrance dual control contour wind turbine control system, according to the change of wind speed annular shelves wall carrying vehicle motor can be made to rotate clockwise or counterclockwise regulation air quantity, generator speed is recovered normal；The regulation of wind energy exceedes current generator power 105%, will increase generator quantity, when wind energy parameter minimum less than current generator power, will cut out generator quantity, wind energy power is reached unanimity with generator power, so as to improve generating efficiency.

Description

Without hindrance dual control contour wind turbine control system

First, technical field：Controlled the present invention relates to a kind of control circuit suitable for without hindrance dual control contour wind power generating set System.

2nd, technical background：The executive item of control circuit, it is not that direct control generator amature is braked, reduces rotating speed , therefore temporary impact is not produced to generator, more do not need control system to set up hydraulic cooling system, but make full use of Air does buffering meson, reduces the air quantity that wind blade passes through, and realizing reduces generator speed.

3rd, the content of the invention：Conventional wind power generator only has one, and its power is * * KW, and rated wind speed is * * meter per seconds, and Contour wind power generating set is made up of eight power identical wind-driven generators, and its rated power is 60KW-8 times of 60KW, volume It is 4.5-9.0 meter per seconds to determine wind speed, and its technical parameter is a regional extent, generator power is reached unanimity with wind energy power, So as to improve generating efficiency.The greatest drawback of wind-driven generator is exactly intermittent, uncertainty, and without hindrance dual control contour wind-force The characteristics of generating set, there is certain wind energy deposit regulated quantity, and giving full play to self structure big quality, utilize motional inertia Of short duration interval number can be effectively reduced, particularly reduces grid-connected, off-the-line number, this requires control system to possess more Kind function is added, its effect of performance heartily.

Generator operation is put into according to sequencing, if starting generator is constant every time, First and last the Eight generators, the unbalanced existing of " premature aging " and " very few use " in vicennial useful life, just necessarily occurs As in order to avoid the generation of this phenomenon, the present invention is additionally arranged stepper and originates function in turn.

4th, illustrate：Fig. 1, it is control system generator input and regulation block diagram

Fig. 2, it is that control system generator cuts out and adjusted block diagram

Fig. 3, be stepper initialisation initial point in turn structure chart

Fig. 4-a, it is that figure is cutd open in the vertical face of stepper load

Fig. 4-b, it is that stepper load flank cuts open figure

Fig. 5-Figure 14, it is control system fundamental diagram

Figure 15, be Fig. 5-Figure 14 location map

5th, embodiment：In figure 3：Driver (2) accesses a phases and zero line (N) 220V AC power, control The input of signal input part (S) each signal of device (1), stepper (3) is set to rotate 90 degree by clockwise direction, stepper is born Carry (4) and follow 90 degree of stepper synchronous axial system, in Fig. 4-a, Fig. 4-b, F is the underpinning on brush (E), and stepper loads (4) contact (C) on rotor (B) is connected by copper ring (D) and brush (E) sliding contact, then with c.In stepper load On stator (A), contact F1, F3, F5, F7 are set respectively every 90 degree, can sequencing and the contact (C) on load rotor (B) Connect, each contact is respectively connected to relay J1, J3, J5, J7 one end, and the relay other end is connected with power supply a respectively, is scheming In 3, when there are (Q1) or (Q3) or (Q5) in the input signal end (S) on controller (1) or (Q7) signal inputs, stepper is by suitable Clockwise rotate 90 degree, its load rotor contact (C) just with the F1 contactings in Fig. 4-a, in relay J1 circuits, C-D-E-c phases in a phases-J1-F1- (Fig. 4-b), closed-loop path is formed, J1 actions, QK1 is closed, initializes and originate for this time The instruction of point ,-QK1 is off, and F3, F5, F7 and load rotor contact (C) and not in contact with relay J3, J5, J7 Therefore akinesia, QK3, QK5, QK7 are off, so-QK3 ,-QK5 ,-QK7 are in closure state.

1st, opened in Fig. 7, Fig. 9, Figure 11, Tu13Zhong, the rotation of wind blade, Q1, Q3, Q5, Q7 also with rotation in closure Dynamic state, while because QK3, QK5, QK7 are off, only QK1 closures are initialization starting point.In Fig. 7In circuit： Power supply C1-QK1-Q1-B1-- QK1- power supply a2, make relayConducting, its result：Generator 1 (C1) closes, input Generate electricity.1K, 1K+ are closed, into annular retaining wall control system.1K0 is also closed.

When wind speed increases, in the figure 7, in Fig. 5, when 1V or 1A overflow, 1V or 1A closures.In on-delay device (TY1) electricity Lu Zhong, power supply a2- on-delay device TY1-1K-1V or 1A- power supply C2, turn on on-delay device (TY1), in the time of setting It is interior, control output point (T1) not operating closure of on-delay device (TY1), when now voluntarily recovering normal such as wind speed, without adjusting Section.Closed when the control output point (T1) more than setting time, on-delay device (TY1) just acts, it is necessary to be adjusted, be powered Delayer (TY2), power-failure time delayer (DY1) have been turned on power supply, and its control point (T3), (T2) have been closed, in carrying vehicle MotorIn circuit：Power supply a2- power-failure time delayers DY1 control point (T2)-- (T1)-power supply C1,With electricity Source is connected, and is moved in the direction of the clock, and when assigned position is arrived in regulation, is stopped regulation travel switch (W1) and is disconnected, now power off DelayerControl point (T2) still close, ensure (W1) safety contact position after, and in time recover closure, surpass Cross power-failure time delayerSet when fixing time, its control point (T2) disconnects, carrying vehicle motorStop regulation, because Wind energy, which is converted into mechanical energy reconvert, needs certain conversion time into electric energy, while wind blade rotates huge inertia needs one The fixed time can just return to normal value, so needing on-delay deviceIt is delayed the regular hour.The time of stopping exceedes On-delay deviceDuring the set time, its control point (T3) closure, power-failure time delayerClosure, its control point (T2) also close, when such as (1V or 1A) continues to overflow, will continue to adjust, such as (1V or 1A) recovers to stop regulation during normal value.

2nd, through adjusting for several times, (H1) is closed when the angle of wind vane and annular shelves wall is equal to or more than 35.7941 degree, this When the wind energy laid in reached the 105% of No. 1 power of generator, when (1V or 1A) continues to overflow, in Fig. 7 Fig. 9Electricity Lu Zhong, power supply C1-H1-1V or 1A-- G2- power supply a1, make relayTurn on its result：J2 close, by J2 with Power supply C1 self-lockings, its effect be when exiting H1 points,Remain to continue to turn on.F2 is closed,In circuit：Power supply C1- F2-B2-- 1V or 1A- power supply a2, makes relayConducting, its result：Generator 2 (C2) closure input generates electricity, 2K, 2K+ is closed, into annular shelves wall control system.2K0 is also closed, when 1V or 1A recovers normal value, relayStill keep Conducting state.

3rd, when wind speed continues to increase, by adjusting for several times, the angle of wind vane and annular shelves wall is equal to or more than 24.7941 When spending, H2 closures, the wind energy now laid in has reached the 105% of No. 2 power of generator, if 2V or 2A continue to overflow, In Fig. 9,In circuit, power supply C1-H2-2V or 2A-- G3-a phases 1, make relayConducting, its result： J3 close, by J3 and power supply C1 self-lockings, its effect be when exiting H2 points,Remain to continue to turn on.F3 is closed, In circuit：Power supply C1-F3-B3-- 2V or 2A- power supply a2, makes relayConducting, the result is that：Generator No. 3 (C3) Closure input generates electricity.3K, 3K+ are closed, into annular shelves wall control system.3K0 is also closed, when 2V or 2A recovers normal value, RelayRemain on state.

4th, when wind speed continues to increase, by adjusting for several times, the angle of wind vane and annular shelves wall is equal to or more than 24.7941 When spending, H2 closures, the wind energy now laid in alreadys exceed the 105% of No. 3 power of generator, if V3 or A3 continue to overflow, In Fig. 9,In：Power supply C1-H2--QK3-3V or 3A-- G4- power supply a1, make relaySwitch on power, it is tied Fruit：J4 close with power supply C1 self-lockings, its effect be when exiting H4 points,Remain to continue to turn on, F4 closures.Electricity Lu Zhong, power supply C1-F4-B4-- 3V or 3A- power supply a2, makes relayConducting, its result：Generator 4 (C4) closes Input generates electricity.4K or 4K+ is closed into annular shelves wall control system 4K0 and also closed when 3V or 3A recovers normal value, relayRemain on state.

5th, when wind speed continues increase, No. 5-generator of generator 8 is put into by H2.No. 5 generators 7 of generator Number input and the input programs of generator 3 it is identical, the sequence of movement of its controller is corresponding.

6th, generator 6, No. 4 input programs of input and generator of generator 8 are identical, its controller action order phase It is corresponding.

After No. 8 generator is devoted oneself to work, generating set power now has been First generator power at full capacity Octuple, rated wind speed increases to 9.0 meter per seconds by 4.5 meter per seconds.

After all input generates electricity eight generators, when wind speed is reduced, the voltage or electric current of any generator are less than During setting value, regulating command can be all sent, in motor Fig. 6 by annular shelves wallIt is adjusted, such as the 8th Platform generator V8+ or A8+ less than setting value, during in closure state, in Fig. 6 on-delay devicesIn circuit, power supply a2-- Figure 14 8K+-V8+ or A8+- Fig. 6 H3 (0-180 degree)-power supply C3, turn on on-delay device (TY3), In the time of setting, control output point (T4) not operating closure of on-delay device (TY3), if now wind speed voluntarily recovers just Chang Shi, without regulation, closed when the control output point (T4) more than setting time, on-delay device (TY3) just acts, it is necessary to enter Row regulation, on-delay device (TY4), power-failure time delayer (DY2) have been turned on power supply, and its control point (T6), (T5) have been closed, In the motor of carrying vehicleIn circuit, power supply a2- (T5)-- (T4)-power supply C phases 3, the motor of carrying vehicleWith power on, rotate counterclockwise, when assigned position is arrived in regulation, stop regulation travel switch (W2) and disconnect, Now power-failure time delayerControl point (T5) still close, after ensureing (W2) safety breaker point position, and immediately Recover closure state.When more than power-failure time delayerSet (T5) disconnects when fixing time, carrying vehicle drivingStop adjusting Section, because wind energy is converted into mechanical energy reconvert and certain conversion time is needed into electric energy, while because of the rotation of wind blade, it is huge Inertia need the regular hour just to return to normal value, so need on-delay device (TY4) be delayed the regular hour.Stop When time only exceedes the time set by on-delay device (TY4), its contact (T6) action closure, such as (V8+ or A8+) continues When overflowing, it will continue to adjust, such as (V8+ or A8+) recovers to stop regulation during normal value.

When wind speed continues to reduce, through adjusting for several times, wind vane and annular shelves wall angle in 0--180 spend when, H4 and electricity Source C3 is closed, and H3 and power supply C3 disconnects, when V8+ or A8+ is still below setting value, only by reducing the quantity of generator, It can just make generator techniques Parameter reconstruction normal.In fig. 14, because of relayIt has been turned on that, X8 closures, in relayIn circuit, power supply a2-X8-- H4- power supply C3, relay+8 turn on, its result：+ J8 close, by+J8 closure with Power supply C3 self-lockings, its effect are that the angle of wind vane and annular shelves wall is in 0-180 degree, and when H4 disconnects, relay+8 is still kept Conducting.Figure 13'sIn circuit, power supply a1-- QK1- Figure 14 V8+ or A8+-+F8- power supply C3, relayConducting, its result：Disconnected by B8, make relayDisconnect, generator 8 (C8) disconnects, and G8 disconnects, in Figure 13 In, unlocked with power supply C1.E8 is closed, and makes prime long-time on-delay deviceSwitch on power, prime generator prepares to cut out. CauseCut out,Disconnect, make in fig. 8Disconnect, its control point X1 disconnects, and makes relayDisconnect, it is controlled Point+F1 processed also disconnects, and in the figure 7, makesIt can not turn on, in this secondary program,Do not turn on always, so nothing is appointed What is acted.

When wind speed continues to reduce, and 7V+ or 7A+ are less than setting value, because DJ7 has been turned on, X7 closures, in relayElectricity Lu Zhong, a phase 2-X7-- H4- power supply C3, relayConducting, its result：+ J7 is closed, by+J7 closures and power supply When the angle of C3 self-lockings, wind vane and annular shelves wall is in 0-180 degree H4 disconnections, relayRemain on ,+F7 is closed Close, Figure 13'sIn circuit, power supply a1-- Y7-7V+ or 7A+-+F7- power supply C3, relayConducting, its As a result disconnected by B7, make relayDisconnect, No. 7 C7 of generator disconnect, and G7 disconnects closes at Figure 12 with power supply C1 unblocks E7 In, make prime long-time on-delay deviceConducting, prime generator prepare to cut out.CauseCut out,Disconnect, makeDisconnect, its control point X8 disconnects, and makes relayIts control point+J8 disconnects, and is unlocked by+J8 and power supply C3.+ F8 breaks Open, makeDisconnect,

When wind speed continues to reduce, and the voltage x current of each generator is less than setting value, generator 6, generator 5, Generator 4, generator 3, that generator number 2 and generator No. 7 numbers cuts out program is identical.

When wind speed continues to reduce, in fig. 8, QK1 be this starting point in closure state, when V1+ or A1+ is less than setting During value,In circuit, power supply a2-QK1-E2-V1+ or A1+-- H4- power supply C3,With power on, its Control point Z1 is closed, in relayIn circuit, power supply a2-- Z1-H4- power supply C3,Switch on power, its Control point X1 is closed, relayConducting, its control point+F1 closures, Fig. 7'sIn circuit, power supply a1-- Y1-V1+ or A1+-+F1- power supply C3,With power on, its result：Disconnected, made by B1Disconnect, generator 1 Cut out, G1 disconnects.Disconnection makesDisconnect, its control point X2 disconnects, and makesDisconnect ,+J2 disconnects and power supply C3 Unblock ,+F2 disconnect, madeDisconnecting, E2 is also disconnected, its control point Y1 also disconnects,Disconnect, E1 is also disconnected.This Shi Suoyou controllers all restore.

The change of wind speed is complicated and diversified, will not increase to typhoon class successively by zero, the input of generator by 0 successively Increase to 8, also will not reduce zero successively by typhoon class, the input of generator is reduced to 0 successively by 8, in increased mistake Cheng Zhonghui is reduced, and can be increased during reduction, and control system should can accomplish to adjust accordingly according to different situations, is put down Steady transition makes wind energy be utilized.Such as after No. 1-5 input of generator, wind speed starts to reduce, as V5+ or A5 + when being less than setting value, during in closure state, in Fig. 6 on-delay devicesIn circuit, power supply a2-- Figure 12 5K +-V5+ or A5+- Fig. 6 H3 (0-180 degree)-power supply C3, on-delay device (TY3) is turned on, within the time of setting, be powered Control output point (T4) not operating closure of delayer (TY3), if now wind speed voluntarily recovers normal, without adjusting, when More than setting time, the control output point (T4) of on-delay device (TY3), which just acts, to be closed, it is necessary to is adjusted, on-delay Device (TY4), power-failure time delayer (DY2) have been turned on power supply, and its control point (T6), (T5) have been closed, in the driving of carrying vehicle In motor J2 circuits, power supply a2- (T5)-- (T4)-power supply C phases 3, the motor of carrying vehicleWith power on, press Rotate in an anti-clockwise direction, when assigned position is arrived in regulation, stop regulation travel switch (W2) and disconnect, now power-failure time delayerControl point (T5) still close, after ensureing (W2) safety breaker point position, and recover closure state immediately. When more than power-failure time delayerSet (T5) disconnects when fixing time, carrying vehicle drivingStop regulation, because wind energy turns Changing mechanical energy reconvert into needs certain conversion time into electric energy, while because the rotation of wind blade, huge inertia need one The fixed time can just return to normal value, so needing on-delay device (TY4) to be delayed the regular hour.The time of stopping exceedes During time set by on-delay device (TY4), its contact (T6) action closure, will be after when such as (V5+ or A5+) continues to overflow Continuous regulation, such as (V5+ or A5+) recover to stop regulation during normal value.When wind speed continue reduce when, through adjusting for several times, wind vane with Annular shelves wall angle in 0--180 spend when, H4 and power supply C3 are closed, and H3 and power supply C3 disconnects, when V5+ or A5+ is still below setting During definite value, only by reducing the quantity of generator, it can just make generator techniques Parameter reconstruction normal.In fig. 12, because of relay DeviceIt has been turned on that, X5 closures, in relayIn circuit, power supply a2-X5-- H4- power supply C3, relayLead It is logical, its result：+ J5 is closed, and by+J5 closures and power supply C3 self-lockings, its effect is that the angle of wind vane and annular shelves wall is in 0-180 degree, when H4 disconnects, relayRemain on.+ F5 is closed, Figure 11'sIn circuit, power supply a1-- Figure 12 Y5-V5+ or A5+-+F5- power supply C3, relayConducting, its result：Disconnected by B5, make relay DeviceDisconnect, generator 5 (C5) disconnects, and G5 disconnects, and in fig. 11, is unlocked with power supply C1.E5 is closed, and makes prime for a long time On-delay deviceSwitch on power, prime generator prepares to cut out.CauseCut out, 5Disconnecting, X6 disconnects, Disconnect ,+F6 disconnects.Wind speed starts to increase, when more than 4V or 4A values, in Fig. 5, Fig. 7, Fig. 9, and 4V or 4A closures.It is being powered In delayer (TY1) circuit, power supply a2- on-delay devices- 1K-1V or 1A- power supply C2, leads on-delay device (TY1) It is logical, within the time of setting, control output point (T1) not operating closure of on-delay device (TY1), now as wind speed is voluntarily extensive When multiple normal, without regulation.Closed when the control output point (T1) more than setting time, on-delay device (TY1) just acts, must It must be adjusted, on-delay device (TY2), power-failure time delayer (DY1) have been turned on power supply, and its control point (T3), (T2) are Closure, in the motor of carrying vehicleIn circuit：Power supply a2- power-failure time delayersControl point (T2)-- (T1)-power supply C1,With power on, move in the direction of the clock, when assigned position is arrived in regulation, stop regulation stroke and open Close (W1) to disconnect, now power-failure time delayerControl point (T2) still close, ensure (W1) safety contact position after, And recover closure in time, more than power-failure time delayerSet when fixing time, its control point (T2) disconnects, carrying vehicle motorStop regulation, because wind energy is converted into mechanical energy reconvert and certain conversion time is needed into electric energy, while wind blade turns Moving huge inertia needs the regular hour just to return to normal value, so needing on-delay deviceWhen being delayed certain Between.The time of stopping exceedes on-delay deviceDuring the set time, its control point (T3) closure, power-failure time delayerClosure, its control point (T2) also close, and when such as (4V or 4A) continues to overflow, will continue to adjust, and such as (4V or 4A) recovers just Stop regulation during constant value.

When wind speed continues to increase, by adjusting for several times, the angle of wind vane and annular shelves wall is equal to or more than 24.7941 degree When, H2 closures, the wind energy now laid in alreadys exceed the 105% of No. 4 power of generator, if 4V or 4A continue to overflow, Figure 11,In circuit, power supply C1-H2-4V or 4A-- G5-a phases 1, make relayConducting, its result：J5 Closure, by J5 and power supply C1 self-lockings, its effect be when exiting H2 points,Remain to continue to turn on.F5 is closed, In circuit：Power supply C1-F5-B5-- 4V or 4A- power supply a2, makes relayConducting, the result is that：Generator 5 (C5) closure input generates electricity.5K, 5K+ are closed, into annular shelves wall control system.5K0 is also closed, when 4V or 4A recovers normal value When, relayRemain on state.

When restarting, Q1, Q3, Q5, Q7 are closed, and stepping machine controller (S) retrieves enabled instruction, and stepper turns Dynamic 90 degree, the contact QK3 in load is the starting point of this secondary program, and operation principle is identical with last time.

Claims (4)

1. a kind of control circuit is applied to, without hindrance dual control contour wind turbine control system, the device comprises at least wind direction Mark (H1, H2, H3, H4 contact), its technical characteristic is according to the angle regulation between wind vane and annular shelves wall, deposit wind Amount.

2. the carrying vehicle motor in annular grade wall, its technical characteristic is motor is rotated forward J1 or reversion according to instruction J2, the air quantity that wind blade passes through can be adjusted, and terminate regulation every time by stopping travel switch (W1) or (W2).

3. eight generator its technical characteristics, according to control instruction, determine in every generator clutch inflator pump (C1, C2, C3, C4, C5, C6, C7, C8), correctly timely it can inflate or be vented, make the input of the generator on corresponding or cut out.

4. load output control point (QK1, QK3, QK5, QK7) its technical characteristic originated in turn on stepper is referred to according to startup Order, the starting of order in turn can be achieved.