CN209375139U - A kind of autocoupling type regulator and its electric power voltage-regulating system - Google Patents
A kind of autocoupling type regulator and its electric power voltage-regulating system Download PDFInfo
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- CN209375139U CN209375139U CN201920207135.3U CN201920207135U CN209375139U CN 209375139 U CN209375139 U CN 209375139U CN 201920207135 U CN201920207135 U CN 201920207135U CN 209375139 U CN209375139 U CN 209375139U
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Abstract
The utility model discloses a kind of autocoupling type regulator and its electric power voltage-regulating system, device includes control circuit, connects to the control circuit and be used to access the logic controller of input voltage；The control circuit includes arrester, breaker, shift switch group, current transformer and auto-transformer；The arrester connects in low-voltage circuit end phase line, breaker is connected in the low-voltage circuit end phase line of arrester rear end, breaker rear class is in parallel with multistage shift switch, the armature winding difference that is connect respectively in auto-transformer of one end of shift switch of multiple parallel connections of shifting gears exports connecting pin, on the one end Jie low-voltage circuit end zero curve of winding of auto-transformer；The auto-transformer is connected between multistage shift switch and zero curve, and in parallel on the primary coil of auto-transformer there are three shift switch；Three shift switch are connect with the firewire of output end.
Description
Technical field
The utility model relates to electrical equipment, in particular to a kind of autocoupling type regulator and its electric power pressure regulation system
System.
Background technique
With the rapid growth of electrical energy demands, the continuous quickening of new rural village Urbanization Construction process, especially " under household electrical appliances
A series of implementation of Huinong's policies such as township ", rural electricity consumption load is increasingly soaring, especially the seaonal loads peak such as summer, winter, spring
Phase.Rural power grids terminal temperature difference voltage can be reduced to 160V hereinafter, not can guarantee the basic living power demand of resident at all, such as electricity
Depending on, air-conditioning, electromagnetic oven, motor etc. can not normal use.
The main reason for causing rural power grids low-voltage phenomenon is that 10kV or low-voltage distributing line radius of electricity supply length, line footpath are thin, is led
Cause line end voltage loss big.It, cannot be certain by replacing heavy in section conducting wire for rural power grids line end low-voltage problem
Solve the problems, such as the low-voltage of long transmission line.Although adding 10kV distribution complement point in low-voltage platform area can solve problem, but need to take over the land for use,
Extend 10kV route, upright bar stringing etc. and involves multi-party interests, and higher cost.
In addition, the low-voltage circuit dynamic voltage adjustment device of some producer's research and development is connected on low-voltage circuit end, directly automatically adjust
Output voltage effectively solves the problems, such as the low-voltage of tens family residential electricity consumptions.But when not to be able to satisfy the equipment normal for power supply system
When job requirement or when device fails, which must can just exit fortune by manual intervention after connection line power-off
Row.Individual low pressure voltage adjusting devices are since tap changer gear switching action is asynchronous, and appearance exports unqualified voltage in short-term, this meeting
Some electrical equipments (such as computer, TV etc.) are caused to restart phenomenon, to substantially reduce the use longevity of electrical equipment
Life.
For above-mentioned phenomenon, the utility model proposes a kind of autocoupling type regulator and its electric power voltage-regulating systems, it is intended to
Solve the problems, such as it is above-mentioned, be suitable for rural power grids mini-user, improve radius of electricity supply, solve tradition transformation need to extend 10kV route,
The newly-increased bigger problem of cost of layouting.
Utility model content
In order to meet above-mentioned requirements, the purpose of this utility model is to provide a kind of autocoupling type regulator and its electric power tune
Pressure system.Purpose is to realize compensates the end low-voltage of power grid low-voltage circuit automatically, and it is qualified just to stablize output
String wave voltage.
To achieve the goals above, the utility model uses following technical scheme:
A kind of autocoupling type regulator, including control circuit connect to the control circuit and for accessing input voltage
Logic controller；The control circuit includes arrester, breaker, shift switch group, current transformer and auto-transformer；Institute
It states arrester and connects and be connected to breaker, breaker in low-voltage circuit end phase line, the low-voltage circuit end phase line of arrester rear end
Rear class and multistage shift switch are in parallel, one end of the shift switch for multiple parallel connections of shifting gears connect respectively the primary in auto-transformer around
The different outlet connecting pins of group, on the one end Jie low-voltage circuit end zero curve of winding of auto-transformer；The auto-transformer connects
It connects between multistage shift switch and zero curve, in parallel on the primary coil of auto-transformer there are three shift switch；Described three
Shift switch is connect with the firewire of output end.
Further technical solution is, the logic controller includes voltage signal translation circuit, current signal translation circuit,
For realizing the logic module of automatic control, shift switch output module；The logic module connects standby by power module
Power supply；The logic module is connect with input voltage signal and load current signal；The voltage signal translation circuit is used for will
Ac voltage signal improves the conversion signal at adaptation and is transferred to logic module processing；The current signal translation circuit is used for
Ac current signal conditioning is transferred to logic module processing at the conversion signal of adaptation；The shift switch output module is used for
The signal that logic module issues is converted into operable Switching Power Supply signal.
Further technical solution is that the logic controller includes opening for accessing DC simulation signal and exporting several
The logic comparator circuit of pass amount signal.
Further technical solution is that the on-off model accesses switching circuit；The switching circuit output end connection
Output voltage；The switching circuit includes the breaker and the multistage shift switch, wherein the multistage shift switch with
The primary coil of auto-transformer is connected with secondary coil.
Further technical solution is that the shift switch uses main contact for one normally opened one normally closed vacuum contactor, institute
The electromagnetic coil for stating shift switch selects direct current 24V power supply.
Further technical solution is that the arrester uses metal oxide arrester, and the breaker is disconnected using plastic housing
Road device；
The breaker is in closed state under normal circumstances, when there is certain two failure for being closed at of gear shift switch
When state, the breaker is disconnected, and three shift switch are in separated position.
Further technical solution is that the auto-transformer uses self coupling structure, and iron core uses cold rolled grain oriented silicon
Single-phase pressure overlapped core structure made of steel disc；
The iron core joint form of the auto-transformer is 45 degree of full bias seams, keeps magnetic flux logical along silicon steel sheet seam direction
It crosses；
The coil of the auto-transformer uses temperature resistant grade for F grades of enamel-cover flat type copper wire coiling.
Further technical solution is that the auto-transformer is equipped with temperature relay, and the temperature relay is through direct current
24V is accessed in logic controller；
When device running temperature exceeds temperature protection value, the temperature relay normally-closed contact is disconnected, logic controller
Signal is received, driving temperature relay disconnects the contactor of the shift switch.
Further technical solution is that the contact of the temperature relay is 85 DEG C of normally-closed contacts.
The invention also discloses a kind of electric power voltage-regulating systems, including autocoupling type pressure regulation described in any of the above embodiments to fill
It sets, power supply line, mounting base；The autocoupling type regulator is series at power supply line end, forbids parallel running；The self coupling
Formula regulator is fixed by mounting base, and the mounting base is electric pole.
Compared with the prior art, the utility model has the beneficial effects that: the autocoupling type regulator of the utility model is worked as
Input voltage lower when setting value, cater to by logic controller control shift switch, makes auto-transformer work according to boosting situation
Make, stablizes output qualified voltage.When present input voltage is higher than setting value, logic circuit automatically controls shift switch movement, rises
Pressure transformer does not work.When power supply system be not able to satisfy equipment normal work require when or when device fails, logic circuit
Shift switch is catered in automatic control, guarantees route normal power supply, and equipment automatically exits from operation and convenient to overhaul.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of specific embodiment schematic diagram of autocoupling type regulator control circuit of the utility model；
Fig. 2 is a kind of comprising modules connection schematic diagram of autocoupling type regulator of the utility model；
Fig. 3 is the control unit structural schematic diagram of logic controller in the utility model；
Fig. 4 is the connection relationship diagram of the logic control circuit of logic controller in the utility model；
Fig. 5 is that the bypass operation instruction that self-coupling device installs additional in Fig. 1 embodiment and pressure regulation run indicating circuit；
Fig. 6 is a kind of comprising modules schematic diagram of electric power voltage-regulating system of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and specifically
Embodiment is described in further detail the utility model.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, a kind of autocoupling type regulator, including control circuit as shown in Figure 1,
Connect to the control circuit and be used to access the logic controller of input voltage；The control circuit includes arrester FV, open circuit
Device QF1, shift switch group, current transformer 1TA and auto-transformer TB；The arrester FV connects in low-voltage circuit end phase
Line is connected to circuit breaker Q F1, circuit breaker Q F1 rear class and multistage shift switch in the low-voltage circuit end phase line of the rear end arrester FV
Parallel connection, one end of the shift switch for multiple parallel connections of shifting gears connect the armature winding difference outlet connection in auto-transformer TB respectively
It holds, on the one end Jie low-voltage circuit end zero curve of winding of auto-transformer TB；The auto-transformer TB is connected to multistage and changes
Between position switch and zero curve, in parallel on the primary coil of auto-transformer TB there are three shift switch；Three shift switch
It is connect with the firewire of output end.
Wherein, first ground connection after arrester FV connection firewire is protected to be formed with protective breaker QF1, multistage shift switch again
First line；Main line uses 1*50 square millimeters of balck cable；Main line and arrester FV are yellowish green using 1*6 square millimeters
Line；
The contactor main contacts ablation of frequent operation, the rated current of major loop contact are at least operating current in order to prevent
2 times.The electromagnetic coil of shift switch selects direct current supply, can meet the action message when supply voltage is lower.And it selects
The electromagnetic coil side of D.C. contactor adds radiator, prevents electromagnetic coil actuation for a long time or frequent movement from generating big
Calorimetric amount can effectively radiate and increase the service life of contactor.When switching gear, logic circuit, which issues instruction, keeps certain two position switch same
When act, i.e., one cut-off one closure and meanwhile carry out, with guarantee output sine voltage.
In Fig. 2, Fig. 3 and embodiment shown in Fig. 4, the logic controller includes voltage signal translation circuit, electricity
Signal conversion circuit is flowed, for realizing the logic module of automatic control, shift switch output module；The logic module passes through electricity
Source module connects backup power supply；The logic module is connect with input voltage signal and load current signal；The voltage signal
Translation circuit is used to ac voltage signal improving the conversion signal at adaptation and is transferred to logic module processing；The electric current letter
Number translation circuit is used to ac current signal conditioning being transferred to logic module processing at the conversion signal of adaptation；The shift is opened
Output module is closed to be used to the signal that logic module issues being converted to operable Switching Power Supply signal.
It is that the module of the utility model autocoupling type regulator forms schematic block diagram in embodiment as shown in Figure 2,
In, device include five parts: logic controller, and connect respectively with logic controller temperature switch signaling module, input
Voltage sample module, load current sampling module；The above module synthesis effect, the stable voltage function of realization device.
Preferably, the logic controller includes for accessing DC simulation signal and exporting several on-off models
Logic comparator circuit；The on-off model accesses switching circuit；The switching circuit output end connects output voltage；It is described
Switching circuit includes the circuit breaker Q F1 and the multistage shift switch as shown in Figure 1, wherein the multistage shift switch
It is connected with the primary coil of auto-transformer TB and secondary coil.
As shown in Figure 1, Figure 2 and in Fig. 3, embodiment shown in Fig. 4, the composition and working principle of logic controller is as follows:
Input voltage improves the conversion signal at adaptation through over-sampling circuit, is input in Fig. 3 by logic controller
Microprocessor is handled, and is exported 3 on-off models and is combined with each other, and 5 gears are respectively corresponded, and 3 on-off models are logical
It crosses operational amplification circuit and amplifies rear-guard motor type relay, respectively correspond Y01, Y02, Y03 and generate the output of gear on-off amount.
When pressure regulator input voltage is in 240V~260V, logic controller driving relay makes Y02 generate gear on-off
Amount output, is attracted contactor KM2, device is in decompression state at this time.Conversely, when input voltage exceeds 240V~260V range
When, disconnect contactor KM2.
When pressure regulator input voltage is in 208V~240V, it is defeated that logic controller does not drive relay to generate gear on-off amount
Out, remain open contactor KM1, KM2, KM3, device is in bypass condition at this time.
When pressure regulator input voltage is in 186V~208V, logic controller driving relay makes Y01 generate gear on-off
Amount output makes contactor KM1 keep being attracted, while driving relay that Y02 is made to generate the output of gear on-off amount, makes contactor KM2
It keeps being attracted, device is in pressure-increasning state at this time.Conversely, when input voltage exceeds 186V~208V range, logic controller
Driving relay disconnects contactor KM1, KM2.
When pressure regulator input voltage is in 164V~186V, logic controller driving relay makes Y01 generate gear on-off
Amount output makes contactor KM1 keep being attracted, while relay being driven to disconnect contactor KM2, KM3.Conversely, working as input voltage
When beyond 164V~186V range, logic controller driving relay disconnects contactor KM1.
When pressure regulator input voltage is in 120V~164V, logic controller driving relay makes Y01 generate gear on-off
Amount output makes contactor KM1 keep being attracted, while driving relay that Y03 is made to generate the output of gear on-off amount, makes contactor KM3
It keeps being attracted.Conversely, logic controller driving relay makes contactor when input voltage exceeds 120V~164V range
KM1, KM3 are disconnected.
The result that the above logic comparator circuit is realized is as follows:
When input voltage is 240V~~260V, contactor KM2 closure, KM1, KM3 are disconnected；
When input voltage is 208V~~240V, contactor KM1, KM2, KM3 are disconnected；
When input voltage is 186V~~208V, contactor KM1, KM2 closure, KM3 are disconnected；
When input voltage is 164V~~186V, contactor KM1 closure, KM2, KM3 are disconnected；
When input voltage is 120V~~164V, contactor KM1, KM3 closure, KM2 are disconnected.
In embodiment as shown in Figure 1, the shift switch (shift switch KM1, KM2, KM3) uses main contact normal for one
A normally closed vacuum contactor is opened, the electromagnetic coil of the shift switch selects direct current 24V power supply.
Optionally, the arrester FV uses metal oxide arrester, and the circuit breaker Q F1 uses breaker of plastic casing；
The circuit breaker Q F1 is in closed state under normal circumstances, when occur certain two gear shift switch (shift switch
KM1, KM2, KM3 two of them) be closed at malfunction when, the circuit breaker Q F1 is disconnected, three shift switch
(shift switch KM1, KM2, KM3) is in separated position.The control process can guarantee that route does not power off, and can also prevent two gears from converting
The circulation that switch is also turned on generation damages equipment.
Preferably, the auto-transformer TB uses self coupling structure, and iron core is made of cold rolled grain grain-oriented Si steel sheet
Single-phase pressure overlapped core structure；
The iron core joint form of the auto-transformer is 45 degree of full bias seams, keeps magnetic flux logical along silicon steel sheet seam direction
It crosses；
The coil of the auto-transformer uses temperature resistant grade for F grades of enamel-cover flat type copper wire coiling.I.e. coil uses heatproof
Grade is F grades of (120 DEG C) enamel-cover flat type copper wire coilings, and arrangement is tight dense and uniform, and packet insulating layer, perfect heat-dissipating be not excessively negative for appearance
Loading capability is strong, and capacity operation can be improved in when forced air cooling.The step-up transformer can be realized boosting 30%, and decompression 10% is adjusted
Gear is 5 gears.The auto-transformer is equipped with perfect temperature detection and protection system.It, can be certainly using signal temperature monitoring system
Dynamic starting stops blower, and has the functions such as overload protection, overheat protector, overvoltage protection, short-circuit protection, tripping.
In embodiment as shown in Figure 4, the auto-transformer is equipped with temperature relay, and the temperature relay is through straight
It flows in 24V access logic controller；
When device running temperature exceeds temperature protection value, the temperature relay normally-closed contact is disconnected, logic controller
Signal is received, driving temperature relay disconnects the contactor of the shift switch.
Specifically, referring to fig. 4, the temperature relay that auto-transformer installs additional is 85 DEG C of normally-closed contacts, connects through direct current 24V
Enter in logic controller, when device running temperature exceeds temperature protection value, temperature relay normally-closed contact is disconnected, logic control
After device receives signal, driving relay discharges Y01, Y02, Y03, disconnects contactor KM1, KM2, KM3, and device is in side
Line state.
Referring to fig. 4, self-coupling device adds circulation cooling blower, when device work in pressure regulation mode when or temperature after
When electric appliance acts, after logic controller receives signal, driving relay acts Y05, and blower brings into operation, and device is in circulation
Radiating state.
Referring to Fig. 5, self-coupling device adds bypass operation instruction and pressure regulation operation instruction, when device work is bypassing
When mode, contactor KM1, KM2, KM3 disconnect, bypass run indicator light, when device work in pressure regulation mode, contactor
There is any one actuation in KM1, KM2, KM3, pressure regulation run indicator is lighted.
Referring to Fig. 5, the operational mode of self-coupling device --- contactor division table.0 gear: corresponding contactor state
KM1 points, KM2 conjunction, KM3 points, device work is in 10% mode that is depressured；1 gear: corresponding contactor state KM1 points, KM2 points, KM3
Point, device works in bypass mode；2 gears: corresponding contactor state KM1 is closed, KM2 and KM3 divide, and device work is being boosted
10% mode；3 gears: corresponding contactor state KM1 is closed, KM2 divides, KM3 points, and device work is in 20% mode of boosting；4 gears: right
The contactor state KM1 answered is closed, KM2 divides, KM3 is closed, and device work is in 30% mode of boosting.
As shown in fig. 6, the invention also discloses a kind of electric power voltage-regulating system, including self coupling described in any of the above embodiments
Formula regulator, power supply line, mounting base；The autocoupling type regulator is series at power supply line end, forbids parallel running；
The autocoupling type regulator is fixed by mounting base, and the mounting base is electric pole.Wherein, two sets of mounting material bracket containing channel steel
It is right with bolt four, pronucleus is installed to the load after installation point, it is ensured that load is less than itself rated capacity.
In conclusion the autocoupling type regulator of the utility model is when input voltage lower is when setting value, logic control
Device control shift switch is catered to, and so that auto-transformer is worked according to boosting situation, is stablized output qualified voltage.Present input voltage
When higher than setting value, logic circuit automatically controls shift switch movement, and step-up transformer does not work.When power supply system is not able to satisfy
When equipment normal work requires or when device fails, shift switch is catered in logic circuit automatic control, guarantees that route is normal
Power supply, equipment automatically exit from operation and it is convenient to overhaul.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be connection, may be a detachable connection, or integral；It can be machinery
Connection, is also possible to be electrically connected；It can be directly connected, two elements can also be can be indirectly connected through an intermediary
The interaction relationship of internal connection or two elements.It for the ordinary skill in the art, can be according to specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating, which should not be construed as, must be directed to identical embodiment or example.Moreover, description specific features, structure, material or
Feature can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art
Different embodiments or examples described in this specification can be engaged and be combined by member.
It will be apparent to those skilled in the art that it is various that other can be made according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation should belong to the protection model of the utility model claims
Within enclosing.
Claims (10)
1. a kind of autocoupling type regulator, which is characterized in that including control circuit, connect to the control circuit and defeated for accessing
Enter the logic controller of voltage；The control circuit includes arrester, breaker, shift switch group, current transformer and self coupling
Transformer；The arrester, which connects, is connected to open circuit in low-voltage circuit end phase line, the low-voltage circuit end phase line of arrester rear end
Device, breaker rear class is in parallel with multistage shift switch, and one end of the shift switch for multiple parallel connections of shifting gears is connect respectively in self coupling transformation
The armature winding difference of device exports connecting pin, on the one end Jie low-voltage circuit end zero curve of winding of auto-transformer；It is described from
Coupling transformer is connected between multistage shift switch and zero curve, and in parallel on the primary coil of auto-transformer there are three shifts to open
It closes；Three shift switch are connect with the firewire of output end.
2. a kind of autocoupling type regulator according to claim 1, which is characterized in that the logic controller includes voltage
Signal conversion circuit, current signal translation circuit, for realizing the logic module of automatic control, shift switch output module；Institute
It states logic module and backup power supply is connected by power module；The logic module and input voltage signal and load current signal connect
It connects；The voltage signal translation circuit is used to ac voltage signal improving the conversion signal at adaptation and is transferred to logic module
Processing；The current signal translation circuit, which is used to improve ac current signal, is transferred to logic module at the conversion signal of adaptation
Processing；The shift switch output module is used to the signal that logic module issues being converted to operable Switching Power Supply signal.
3. a kind of autocoupling type regulator according to claim 1, which is characterized in that the logic controller includes being used for
Access DC simulation signal and the logic comparator circuit for exporting several on-off models.
4. a kind of autocoupling type regulator according to claim 3, which is characterized in that the on-off model access switch
Route；The switching circuit output end connects output voltage；The switching circuit includes breaker and multistage shift switch,
Described in multistage shift switch be connected with the primary coil of auto-transformer and secondary coil.
5. a kind of autocoupling type regulator according to claim 1, which is characterized in that the shift switch uses main contact
For one normally opened one normally closed vacuum contactor, the electromagnetic coil of the shift switch selects direct current 24V power supply.
6. a kind of autocoupling type regulator according to claim 1, which is characterized in that the arrester is aoxidized using metal
Object arrester, the breaker use breaker of plastic casing；
The breaker is in closed state under normal circumstances, when there is certain two malfunction for being closed at of gear shift switch
When, the breaker disconnects, and three shift switch are in separated position.
7. a kind of autocoupling type regulator according to claim 1, which is characterized in that the auto-transformer uses self coupling
Structure, iron core is using single-phase pressure overlapped core structure made of cold rolled grain grain-oriented Si steel sheet；
The iron core joint form of the auto-transformer is 45 degree of full bias seams, passes through magnetic flux along silicon steel sheet seam direction；
The coil of the auto-transformer uses temperature resistant grade for F grades of enamel-cover flat type copper wire coiling.
8. a kind of autocoupling type regulator according to claim 1, which is characterized in that the auto-transformer is equipped with temperature
Relay, the temperature relay is through in direct current 24V access logic controller；
When device running temperature exceeds temperature protection value, the temperature relay normally-closed contact is disconnected, and logic controller receives
Signal, driving temperature relay disconnect the contactor of the shift switch.
9. a kind of autocoupling type regulator according to claim 8, which is characterized in that the contact of the temperature relay is
85 DEG C of normally-closed contacts.
10. a kind of electric power voltage-regulating system, which is characterized in that including the described in any item autocoupling type regulators of claim 1-9,
Power supply line, mounting base；The autocoupling type regulator is series at power supply line end, forbids parallel running；The autocoupling type
Regulator is fixed by mounting base, and the mounting base is electric pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920207135.3U CN209375139U (en) | 2019-02-18 | 2019-02-18 | A kind of autocoupling type regulator and its electric power voltage-regulating system |
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| CN201920207135.3U CN209375139U (en) | 2019-02-18 | 2019-02-18 | A kind of autocoupling type regulator and its electric power voltage-regulating system |
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| CN209375139U true CN209375139U (en) | 2019-09-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505396A (en) * | 2020-11-02 | 2021-03-16 | 广西电网有限责任公司电力科学研究院 | Communication method and system for realizing wall-mounted single-phase passive series voltage stabilization |
-
2019
- 2019-02-18 CN CN201920207135.3U patent/CN209375139U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505396A (en) * | 2020-11-02 | 2021-03-16 | 广西电网有限责任公司电力科学研究院 | Communication method and system for realizing wall-mounted single-phase passive series voltage stabilization |
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