CN110148923A - A kind of current transformer copper bar measurement and control of temperature method and system - Google Patents
A kind of current transformer copper bar measurement and control of temperature method and system Download PDFInfo
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- CN110148923A CN110148923A CN201810141608.4A CN201810141608A CN110148923A CN 110148923 A CN110148923 A CN 110148923A CN 201810141608 A CN201810141608 A CN 201810141608A CN 110148923 A CN110148923 A CN 110148923A
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- temperature
- copper bar
- current transformer
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- detect switch
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
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- Protection Of Transformers (AREA)
Abstract
The invention discloses a kind of current transformer copper bar measurement and control of temperature methods, acquire the temperature of copper bar first；Then judge whether collected temperature is greater than given threshold；If it is, the controller in current transformer issues halt instruction so that current transformer stops working.In the prior art, Wind turbines can be influenced to cause Wind turbines that short circuit occurs by certain factor, and then the copper bar temperature in current transformer can be made to increase, copper bar fusing or Wind turbines is caused to be broken down, so utilizing the investigating method, by acquisition copper bar temperature and upload inverter controller, and when inverter controller detects that copper bar temperature is greater than given threshold, inverter controller sends halt instruction so that current transformer stops working, it can prevent from causing copper bar fusing or Wind turbines that the failures such as short circuit occur since the copper bar temperature in current transformer is excessively high in time, increase and the perfect monitoring strategies of copper bar temperature.In addition, the invention also discloses a kind of current transformer copper bar temperature control system, effect is as above.
Description
Technical field
The present invention relates to wind-powered electricity generation field, in particular to a kind of current transformer copper bar measurement and control of temperature method and system.
Background technique
In recent years, Wind turbines exposed problems in use, such as fire, the tower that falls, to user with
And Wind turbines manufacturing enterprise causes huge economic loss and fame damage, it is lightning stroke that the most important factor of fire, which occurs,
And Wind turbines short circuit two major classes need Wind turbines manufacturing enterprise to design corresponding lightning-protection system, work as wind turbine for lightning stroke
Lightning current quickly can be imported the earth when being struck by lightning by group, avoid damaging Wind turbines, therefore not to repeat here；For
Wind turbines short circuit, then it is more to need to consider its safeguard measure from design, it avoids occurring failure face when short circuit and expands, effectively
Loss when by Wind turbines short circuit minimizes.
Wind turbines can be influenced during the work time by various factors, and then the copper bar temperature of current transformer can be made to increase,
The copper bar of current transformer can be made to melt when serious, cause Wind turbines that short circuit occurs, cause Wind turbines that the accidents such as fire occur.
It can be seen that Wind turbines in the prior art how to be overcome to cause copper bar molten due to the copper bar temperature raising of current transformer
Change or the failures such as short circuit and the problem of how being monitored to copper bar temperature are those skilled in the art's technologies urgently to be resolved
Problem.
Summary of the invention
The embodiment of the present application provides a kind of current transformer copper bar measurement and control of temperature method and system, increases and perfect existing wind
Motor group current transformer copper bar monitoring temperature strategy, with solution copper bar temperature raising of the Wind turbines due to current transformer in the prior art
The problem of leading to the failures such as copper bar fusing or short circuit.
In order to solve the above technical problems, the present invention provides a kind of current transformer copper bar measurement and control of temperature methods, comprising:
Acquire the temperature of copper bar；
Judge whether the temperature is greater than given threshold；
If it is, the controller in current transformer sends halt instruction so that the current transformer stops working.
Preferably, the temperature of the acquisition copper bar specifically:
The temperature of the copper bar is acquired in real time.
Preferably, the temperature of the acquisition copper bar acquires the temperature specifically by temperature detect switch (TDS)；
It is then corresponding, it is described to judge whether the temperature is greater than given threshold specifically:
Judge whether the working condition of the temperature detect switch (TDS) changes；
If it is, sending halt instruction so that the current transformer stopped working into the controller in the current transformer
Step.
Preferably, when the temperature is greater than given threshold, further includes:
Indicator light and/or buzzer are connected to carry out warning note.
Preferably, after the controller in the current transformer sends halt instruction so that the current transformer stops working,
Further include:
Receive the feedback information of the controller feedback.
In order to solve the above technical problems, the present invention also provides a kind of systems corresponding with current transformer copper bar measurement and control of temperature method
System, comprising:
Temperature collecting module and detection module；
The temperature collecting module is set to the temperature that the copper bar is acquired at the copper bar in current transformer；
The detection module is connect with the controller in the temperature collecting module and the current transformer respectively, when detecting
The temperature is greater than controller when given threshold and sends halt instruction so that the current transformer stops working.
Preferably, further includes:
The heat conductive insulating plate being installed between the copper bar and the temperature collecting module.
Preferably, the temperature collecting module is specially temperature detect switch (TDS).
Preferably, the number of the temperature detect switch (TDS) is 3, respectively the first temperature detect switch (TDS), the second temperature detect switch (TDS) and third
Temperature detect switch (TDS), first temperature detect switch (TDS), second temperature detect switch (TDS) and the third temperature detect switch (TDS) are successively fitted in the copper
It is connect on row and in a series arrangement with the detection module.
Preferably, further includes:
First fuse, the second fuse and third fuse；
First fuse is connect with first temperature detect switch (TDS), and second fuse and second temperature detect switch (TDS) connect
It connects, the third fuse is connect with the third temperature detect switch (TDS).
Compared with the prior art, a kind of current transformer copper bar measurement and control of temperature method provided by the present invention, first acquisition copper bar
Temperature；Then judge whether collected temperature is greater than given threshold；If it is, the controller in current transformer sends and shuts down
Instruction is so that current transformer stops working.In the prior art, Wind turbines can be influenced at work by various factors, and then can be made
Copper bar temperature in current transformer increases, and causes copper bar fusing or Wind turbines that the failures such as short circuit occur, so utilizing the observing and controlling side
Method, by acquiring the temperature of copper bar, and when collected copper bar temperature is greater than given threshold, the controller in current transformer is just
Sending halt instruction makes current transformer stop working, and can prevent from leading to copper bar since the copper bar temperature in current transformer is excessively high in time
Fusing or Wind turbines break down, and increase and perfect existing wind power unit converter copper bar monitoring temperature strategy.In addition, this
Invention additionally provides a kind of current transformer copper bar temperature control system, and effect is as above.
Detailed description of the invention
Fig. 1 is a kind of current transformer copper bar measurement and control of temperature method flow diagram provided by the embodiment of the present invention；
Fig. 2 is a kind of current transformer copper bar temperature control system composition schematic diagram provided by the embodiment of the present invention；
Fig. 3 is a kind of current transformer copper bar measurement and control of temperature schematic illustration provided by the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
Its embodiment, shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of current transformer copper bar measurement and control of temperature method and system, increases and perfect existing wind
Motor group current transformer copper bar monitoring temperature strategy, with solution copper bar temperature raising of the Wind turbines due to current transformer in the prior art
The problem of leading to the failures such as copper bar fusing or short circuit.
Scheme in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
The present invention is described in further detail for formula.
Fig. 1 is a kind of current transformer copper bar measurement and control of temperature method flow diagram provided by the embodiment of the present invention, as shown in Figure 1,
Include:
S101: the temperature of copper bar is acquired.
S102: judging whether temperature is greater than given threshold, if it is, entering step S103.
S103: the controller in current transformer sends halt instruction so that current transformer stops working.
At work, since the influence of various factors may lead Wind turbines short circuit, Jin Erhui occur for Wind turbines
Cause Wind turbines that the major accidents such as fire occur, it is main in the following several ways that short circuit occurs for Wind turbines: first is that wind turbine
Short circuit caused by the related component failure of group, the short circuit as caused by generator unit stator or the failure of rotor windings phase insulation；Second is that different
Tool is retained in converter cabinet body by short circuit caused by object intrusion when such as repairing current transformer；Third is that current transformer major loop copper bar
Between connect caused copper bar fever when the abnormal conditions such as bolt looseness occur, eventually lead to the short circuit that copper bar melts and then causes.
But either short-circuit conditions caused by which kind of reason, short-circuit generating process are accompanied by the mistake of short-circuit loop copper bar temperature rising
Journey.
In the embodiment of the present application, the temperature for acquiring current transformer copper bar first can acquire this in practical applications in real time
Then temperature judges collected temperature, if the temperature is greater than given threshold, at this moment the controller in current transformer is just
Halt instruction is sent so that current transformer stops working, so can to avoid due to copper bar temperature it is excessively high caused by copper bar fusing or electricity
It flows device and short circuit occurs, and then cause Wind turbines that accidents, the given thresholds such as fire occurs and be set in advance, be specifically set as more
It is few suitable, it can be determined according to the actual situation with experience, the present invention and without limitation.In practical applications, as long as detecting unsteady flow
When any one phase copper bar temperature is greater than given threshold in device copper bar three-phase, step S103 is entered, it is to be understood that in addition to can
Except temperature to acquire copper bar in real time, the temperature can also be periodically acquired, it is a kind of excellent for acquiring the temperature of copper bar in real time
Selection of land embodiment does not represent and there was only a kind of this embodiment, certainly, the acquisition mode of copper bar temperature and given threshold
How much the realization of the embodiment of the present application will not influence.
On the basis of the above embodiments, preferably embodiment, acquires the temperature of copper bar specifically by temperature control
Switch temperature collection；
It is then corresponding, judge whether temperature is greater than given threshold specifically:
Judge whether the working condition of temperature detect switch (TDS) changes；
If it is, sending halt instruction so that the step of current transformer stops working into the controller in current transformer.
In order to be judged in time to collected temperature, timeliness is improved, copper bar can be acquired by temperature detect switch (TDS)
Temperature, temperature detect switch (TDS) can not only acquire the temperature of copper bar, but also when the temperature of acquisition is more than given threshold, temperature detect switch (TDS)
Contact will be automatically normally opened contact from normally-closed contact jump, at this moment only need to judge whether the working condition of temperature detect switch (TDS) occurs
Variation, so that it may know whether the temperature of copper bar is greater than given threshold, that is to say, that when detecting the contact of temperature detect switch (TDS) by normally closed
When contacts status jump is normally opened contact state, step S103 is entered.It is understood that can also be adopted by other devices
Collect the temperature of copper bar, selecting temperature detect switch (TDS) is a kind of preferably mode, does not represent and there was only a kind of this mode, specific that is selected
Kind device acquires the temperature, can determine according to the actual situation, certainly, the temperature of which kind of device acquisition copper bar is selected to will not influence
The realization of the embodiment of the present application.
A kind of current transformer copper bar measurement and control of temperature method provided by the present invention acquires the temperature of copper bar first；Then judge
Whether collected temperature is greater than given threshold；If it is, the controller in current transformer sends halt instruction so that current transformer
It stops working.In the prior art, Wind turbines can be influenced at work by various factors, and then can make the copper bar in current transformer
Temperature increases, and causes copper bar fusing or Wind turbines that the failures such as short circuit occur, so passing through using the investigating method and acquiring copper bar
Temperature, and when collected copper bar temperature is greater than given threshold, the controller in current transformer just send halt instruction with
So that current transformer is stopped working, can prevent from leading to copper bar fusing or wind turbine since the copper bar temperature in current transformer is excessively high in time
The failures such as short circuit occur for group, increase and perfect existing wind power unit converter copper bar monitoring temperature strategy.
On the basis of the above embodiments, preferably embodiment, when temperature is greater than given threshold, further includes:
Indicator light and/or buzzer are connected to carry out warning note.
When the copper bar temperature of acquisition is greater than given threshold, in order to remind the relevant personnel in time, indicator light can be passed through
And/or buzzer warning prompt.
On the basis of the above embodiments, preferably embodiment, the controller in current transformer send shutdown and refer to
After enabling so that current transformer stops working, further includes:
Receive the feedback information of controller feedback.
In order to improve accuracy, the relevant personnel is allowed to feel more relieved, the controller in current transformer send halt instruction so that
After current transformer stops working, the feedback information of controller feedback can also be received.For example, feedback information can be " current transformer
It has stopped working ".
It is described in detail above for a kind of embodiment of current transformer copper bar measurement and control of temperature method, is based on above-mentioned reality
The current transformer copper bar measurement and control of temperature method for applying example description, the embodiment of the invention also provides a kind of a kind of changes corresponding with this method
Flow device copper bar temperature control system.Since the embodiment of components of system as directed is corresponded to each other with the embodiment of method part, system
Partial embodiment please refers to the embodiment description of method part, and which is not described herein again.
Fig. 2 is a kind of current transformer copper bar temperature control system composition schematic diagram provided by the embodiment of the present invention, such as Fig. 2 institute
Show, which includes temperature collecting module 201 and detection module 202.
Temperature collecting module 201 and detection module 202；
Temperature collecting module 201 is set to the temperature that copper bar is acquired at the copper bar in current transformer；
Detection module 202 is connect with the controller in temperature collecting module 201 and current transformer respectively, when detecting that temperature is big
Inverter controller sends halt instruction so that current transformer stops working when given threshold.
The system can be placed around temperature collecting module 201 in the copper bar in current transformer, acquire in real time or periodically
The temperature of copper bar, once detect collected temperature be greater than given threshold, inverter controller just send halt instruction so that
Current transformer stops working, can to avoid because the copper bar temperature in current transformer it is excessively high, cause copper bar melt or Wind turbines occur it is short
The failures such as road.Temperature detect switch (TDS) specifically can be selected in preferably embodiment, temperature collecting module 201.The number of temperature detect switch (TDS)
It is 3, respectively the first temperature detect switch (TDS), the second temperature detect switch (TDS) and third temperature detect switch (TDS), the first temperature detect switch (TDS), the second temperature detect switch (TDS)
It is successively fitted on copper bar and in a series arrangement with detection module 202 and connect with third temperature detect switch (TDS).
In practical applications, it is assumed that set the low level in TT&C system as useful signal, temperature collecting module 201 is preferred
For temperature detect switch (TDS), number is preferably 3, and 3 temperature detect switch (TDS)s are preferably connected.In series system, circuit board only needs 1 DI
Copper bar measurement and control of temperature function can be realized in port, simple to technique and hardware resource requirements.When detection module 202 detects unsteady flow
When any one phase copper bar temperature is greater than given threshold in device three-phase copper bar, the working condition of temperature detect switch (TDS) will change, i.e.,
Temperature detect switch (TDS) normally-closed contact will be jumped automatically as normally opened contact, and at this moment the detection signal in detection module 202 is by will be by height
Level becomes low level, while detection module 202 can feed back to the signal in inverter controller, and control current transformer stops work
Make.It is understood that temperature collecting module 201 other than it can select temperature detect switch (TDS), can also select temperature sensor
Deng, the present invention and without limitation；It should be noted in entire TT&C system, the temperature that 1 integrated level can also be selected high
Control switch, selecting 3 temperature detect switch (TDS)s is that one kind is preferably carried out mode；3 temperature detect switch (TDS)s are also designed to parallel way, only
When being designed as parallel way, circuit board needs 3 ports DI, and technique and hardware resource requirements are relative complex.But temperature control is opened
The number and connection type of pass will not influence the realization of the embodiment of the present application.
Using current transformer copper bar temperature control system provided by the present invention, the temperature of copper bar is acquired first；Then judge
Whether collected temperature is greater than given threshold；If it is, the controller in current transformer sends halt instruction so that current transformer
It stops working.In the prior art, Wind turbines can be influenced at work by various factors, and then can make the copper bar in current transformer
Temperature increases, and causes copper bar fusing or Wind turbines that the failures such as short circuit occur, so passing through using the TT&C system and acquiring copper bar
Temperature, and when collected copper bar temperature is greater than given threshold, the controller in current transformer just send halt instruction with
So that current transformer is stopped working, can prevent from leading to copper bar fusing or wind turbine since the copper bar temperature in current transformer is excessively high in time
The failures such as short circuit occur for group, increase and perfect existing wind power unit converter copper bar monitoring temperature strategy.
On the basis of the above embodiments, preferably embodiment, further includes:
The heat conductive insulating plate being installed between copper bar and temperature collecting module 201.
To prevent the high voltage in current transformer major loop from sealing in vulnerabilities scan circuit through copper bar measurement and control of temperature circuit, to human body
It damages, needs by installing heat conductive insulating plate additional between acquisition module 201 and copper bar to reinforce temperature collecting module 201
Dielectric strength needs to consider influence of the heat conductive insulating plate to copper bar temperature heat transfer, is designing in set temperature threshold values certainly
In the process, heat conductive insulating plate can be installed between copper bar and temperature collecting module 201.In practical applications, because of wind turbine
The operating voltage of group is up to 690VAC, and the voltage value in copper bar thermometric circuit is 24VDC, is caused danger in order to prevent, guarantor
Body safety, can install heat conductive insulating plate between copper bar and temperature collecting module 201.In copper bar and temperature collecting module 201
Between install heat conductive insulating plate after, need to consider influence of the heat conductive insulating plate to copper bar temperature heat transfer, need according to correlation
Experimental data suitably corrects overheat protector value, that is, set temperature threshold values of temperature detect switch (TDS), and the overheat protector of temperature detect switch (TDS) is fixed
Value can refer to reactor overheat protector relevant criterion to select, and the present invention is without limitation.
On the basis of the above embodiments, preferably embodiment, further includes:
First fuse, the second fuse and third fuse；
First fuse is connect with the first temperature detect switch (TDS), and the second fuse is connect with the second temperature detect switch (TDS), third fuse and third
Temperature detect switch (TDS) connection.
To further prevent the high voltage in current transformer major loop to seal in vulnerabilities scan circuit through copper bar measurement and control of temperature circuit,
It causes harm to the human body, improves reliability, which further includes the first fuse, the second fuse and third fuse；First is molten
Silk is connect with the first temperature detect switch (TDS), and the second fuse is connect with the second temperature detect switch (TDS), and third fuse is connect with third temperature detect switch (TDS).If
When insulation damages occur in temperature detect switch (TDS) and detection and control circuitry, fuse failure can play the role of protection, avoid to system
It causes further to damage and cause harm to the human body.
It is former the following detailed description of current transformer copper bar measurement and control of temperature in order to make those skilled in the art more fully understand this programme
Reason, Fig. 3 is a kind of current transformer copper bar measurement and control of temperature schematic illustration provided by the embodiment of the present invention, as shown in figure 3, drawing in figure
Having gone out 3 temperature detect switch (TDS)s is respectively the first temperature detect switch (TDS) 301, the second temperature detect switch (TDS) 302 and third temperature detect switch (TDS) 303；3 fuses
Respectively the first fuse 3011, the second fuse 3021 and third fuse 3031, detection module 202.
It is powered using 24VDC power supply, because there is three-phase copper bar in current transformer, is preferably selected in the present embodiment
Three-phase copper bar temperature is acquired with 3 temperature detect switch (TDS)s, in practical applications, the temperature control that 1 integrated level can also be used high
Switch, details are not described herein.When using 3 temperature detect switch (TDS)s, 3 temperature detect switch (TDS)s are preferably connected in series, it is assumed that the first temperature control is opened
301 are closed for acquiring A phase copper bar temperature, the second temperature detect switch (TDS) 302 for acquiring B phase copper bar temperature and third temperature detect switch (TDS) 303
For acquiring C phase copper bar temperature, three temperature detect switch (TDS)s are tightly to be fitted on copper bar, as long as A, B, C tri- in practical applications
As soon as there is phase copper bar temperature to be greater than given threshold in phase copper bar, corresponding temperature detect switch (TDS) is automatically normally opened touching from normally-closed contact jump
Point, at this moment temperature detecting module 202 can detect that the working condition of corresponding temperature detect switch (TDS) changes, inverter controller
Halt instruction will be sent so that electric current device stops working (orderly closedown), in order to avoid causing further to wind power generation set system
Damage both increases corresponding protection fuse for each temperature detect switch (TDS), i.e. the first fuse 3011, the second fuse 3021 and the
Three fuses 3031, can be improved system reliability, if when insulation damages occur in temperature detect switch (TDS) and detection and control circuitry, it is corresponding
Fuse will fuse and play a protective role, meanwhile, current transformer major loop 690VAC power supply is returned through copper bar measurement and control of temperature in order to prevent
Road seals in 24VDC weak electricity measuring circuit, it may be considered that heat conductive insulating plate is installed between each temperature detect switch (TDS) and copper bar, in Fig. 3
In be not drawn into heat conductive insulating plate, the purpose of installation heat conductive insulating plate is the dielectric strength in order to reinforce corresponding temperature detect switch (TDS), simultaneously
Influence of the heat conductive insulating plate to copper bar temperature heat transfer is also contemplated, according to relevant experimental data to the excess temperature of corresponding temperature detect switch (TDS)
Protection value, that is, set temperature threshold values has carried out appropriate amendment.In practical applications, 3 temperature detect switch (TDS)s, which can also use, is connected in parallel
Mode, details are not described herein.
A kind of current transformer copper bar measurement and control of temperature method and system provided by the present invention are described in detail above.This
With several examples, principle and implementation of the present invention are described in text, and the explanation of above embodiments is only intended to
It facilitates the understanding of the method and its core concept of the invention；At the same time, for those skilled in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
Limitation of the invention, those skilled in the art, under the premise of no creative work, to the present invention made modification, etc.
With replacement, improvement etc., should be included in the application.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One operation is distinguished with another operation, without necessarily requiring or implying there are any between these entities or operation
This actual relationship or sequence.Moreover, the similar word such as term " includes ", so that including the unit of a series of elements, equipment
Or system not only includes those elements, but also including other elements that are not explicitly listed, or further includes for this list
Member, equipment or the intrinsic element of system.
Claims (10)
1. a kind of current transformer copper bar measurement and control of temperature method characterized by comprising
Acquire the temperature of copper bar；
Judge whether the temperature is greater than given threshold；
If it is, the controller in current transformer sends halt instruction so that the current transformer stops working.
2. current transformer copper bar measurement and control of temperature method according to claim 1, which is characterized in that the temperature of the acquisition copper bar
Specifically:
The temperature of the copper bar is acquired in real time.
3. current transformer copper bar measurement and control of temperature method according to claim 1, which is characterized in that the temperature of the acquisition copper bar
The temperature is acquired specifically by temperature detect switch (TDS)；
It is then corresponding, it is described to judge whether the temperature is greater than given threshold specifically:
Judge whether the working condition of the temperature detect switch (TDS) changes；
If it is, sending halt instruction so that the step that the current transformer stops working into the controller in the current transformer
Suddenly.
4. current transformer copper bar measurement and control of temperature method according to claim 1, which is characterized in that when the temperature is greater than setting
When threshold value, further includes:
Indicator light and/or buzzer are connected to carry out warning note.
5. current transformer copper bar measurement and control of temperature method according to any one of claims 1 to 4, which is characterized in that described
After controller in current transformer sends halt instruction so that the current transformer stops working, further includes:
Receive the feedback information of the controller feedback.
6. a kind of current transformer copper bar temperature control system characterized by comprising
Temperature collecting module and detection module；
The temperature collecting module is set to the temperature that the copper bar is acquired at the copper bar in current transformer；
The detection module is connect with the controller in the temperature collecting module and the current transformer respectively, described when detecting
Temperature is greater than controller when given threshold and sends halt instruction so that the current transformer stops working.
7. current transformer copper bar temperature control system according to claim 6, which is characterized in that further include:
The heat conductive insulating plate being installed between the copper bar and the temperature collecting module.
8. current transformer copper bar temperature control system according to claim 6, which is characterized in that the temperature collecting module tool
Body is temperature detect switch (TDS).
9. current transformer copper bar temperature control system according to claim 8, which is characterized in that the number of the temperature detect switch (TDS)
It is 3, respectively the first temperature detect switch (TDS), the second temperature detect switch (TDS) and third temperature detect switch (TDS), first temperature detect switch (TDS), described second
Temperature detect switch (TDS) and the third temperature detect switch (TDS), which are successively fitted on the copper bar and in a series arrangement with the detection module, to be connect.
10. current transformer copper bar temperature control system according to claim 9, which is characterized in that further include:
First fuse, the second fuse and third fuse；
First fuse is connect with first temperature detect switch (TDS), and second fuse is connect with second temperature detect switch (TDS), institute
Third fuse is stated to connect with the third temperature detect switch (TDS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141608.4A CN110148923A (en) | 2018-02-11 | 2018-02-11 | A kind of current transformer copper bar measurement and control of temperature method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141608.4A CN110148923A (en) | 2018-02-11 | 2018-02-11 | A kind of current transformer copper bar measurement and control of temperature method and system |
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| Publication Number | Publication Date |
|---|---|
| CN110148923A true CN110148923A (en) | 2019-08-20 |
Family
ID=67588968
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810141608.4A Pending CN110148923A (en) | 2018-02-11 | 2018-02-11 | A kind of current transformer copper bar measurement and control of temperature method and system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1353489A (en) * | 2000-11-08 | 2002-06-12 | 煜丰科技股份有限公司 | Method for preventing over-heat inside electric appliance by controlling electric consumption and its equipment |
| CN203301128U (en) * | 2013-06-18 | 2013-11-20 | 无锡市上开试验设备有限公司 | Salt spray machine double-overheat protection device |
| CN203367993U (en) * | 2013-07-15 | 2013-12-25 | 国家电网公司 | Motor temperature protection device |
| CN205719328U (en) * | 2016-03-01 | 2016-11-23 | 青岛大石电力技术有限公司 | A kind of power equipment temperature test induction installation |
| CN206211899U (en) * | 2016-11-30 | 2017-05-31 | 成都茂源科技有限公司 | A kind of ball mill direct drive permanent magnetic synchronous motor current transformer |
-
2018
- 2018-02-11 CN CN201810141608.4A patent/CN110148923A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1353489A (en) * | 2000-11-08 | 2002-06-12 | 煜丰科技股份有限公司 | Method for preventing over-heat inside electric appliance by controlling electric consumption and its equipment |
| CN203301128U (en) * | 2013-06-18 | 2013-11-20 | 无锡市上开试验设备有限公司 | Salt spray machine double-overheat protection device |
| CN203367993U (en) * | 2013-07-15 | 2013-12-25 | 国家电网公司 | Motor temperature protection device |
| CN205719328U (en) * | 2016-03-01 | 2016-11-23 | 青岛大石电力技术有限公司 | A kind of power equipment temperature test induction installation |
| CN206211899U (en) * | 2016-11-30 | 2017-05-31 | 成都茂源科技有限公司 | A kind of ball mill direct drive permanent magnetic synchronous motor current transformer |
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Application publication date: 20190820 |