CN201302605Y - High-power switch capable of determining and displaying burning loss of contact part - Google Patents
High-power switch capable of determining and displaying burning loss of contact part Download PDFInfo
- Publication number
- CN201302605Y CN201302605Y CNU2007900000679U CN200790000067U CN201302605Y CN 201302605 Y CN201302605 Y CN 201302605Y CN U2007900000679 U CNU2007900000679 U CN U2007900000679U CN 200790000067 U CN200790000067 U CN 200790000067U CN 201302605 Y CN201302605 Y CN 201302605Y
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- Prior art keywords
- scaling loss
- power switch
- contact site
- signal
- switch
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
- G01R31/3274—Details related to measuring, e.g. sensing, displaying or computing; Measuring of variables related to the contact pieces, e.g. wear, position or resistance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/044—Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Keying Circuit Devices (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to a power switch. The power switch is provided with a signal detection unit used for determining the state of the electric arc contact part of the power switch; in addition,the power switch comprises a calculation device and a display unit, so as to convert the detection signal of the signal detection unit into the signal interval and then display the real state of theelectric arc contact part; the display unit is provided with a device used for outputting by the optics mode and/or the acoustics mode. Preferentially, the state of the contact part is indicated by three different colors.
Description
Technical field
The utility model relates to the field of high-voltage switch gear technology, particularly the power switch in the energy distribution network.The utility model relates to a kind of power switch of the preamble according to independent claims.
Background technology
For a part and disconnection of all the other energy supply systems or connection, use power switch usually with the electric energy feed system.At work and during turning on and off, different technical requirements is proposed power switch at this.So the switch contact site must have high thermotolerance and anti-scaling loss on the one hand, so that can withstand the high temperature of electric arc when switching on and off power switch.On the other hand, the contact site of power switch must have as far as possible little resistance, so that under the situation of persistent current the ohmic properties loss is minimized in the on-state of power switch.
In order to meet these requirements, power switch has the division of contact system to scaling loss contact system and rated current contact system.Switch structure is for making that the rated current contact system is conclusive when electric current guides, and the electric arc between the scaling loss contact site is stretched in the stage of switch, so the scaling loss contact system is conclusive thus.In addition, the scaling loss contact system has prevented the arc burning between the rated current contact site.In order to guarantee this function, when turning on and off the separation of rated current contact system or contact and scaling loss contact system separate or contact between delay on the time of occurrence.Mistiming is also referred to as the overlapping time, and alternate position spike is called overlapping length.For the correct function of guaranteed output switch, do not allow to be lower than the critical overlapping time or the overlapping length determined of scaling loss contact site, be lower than critical overlapping time of determining of scaling loss contact site or overlapping length then corresponding to the big scaling loss on the scaling loss contact site.In order to measure this scaling loss and, to disclose several different methods in the prior art thus in order to determine and show the remaining life-span of power switch.
EP 1318533 discloses a kind of method, and wherein the scaling loss effect of electric arc can be calculated with mathematical way from the geometric parameter of the parts that are subjected to arcing and determined electric current-function of time.The scaling loss summation that the scaling loss that is occurred after the multiple switching process is calculated in can be by the switch events that all are previous is determined.At this, the current state of switch is calculated by surveillance, and notifies by warning message when reaching critical measured value.Where the shoe pinches in this method especially considers that the actual scaling loss and the deviation of the scaling loss of being calculated are used for determining the residual life of switch.At this, owing to be subjected to the out of true emulation and the defective detection of current value and time value in switching process of geometric parameter of the parts of arcing, therefore deviation can appear.
In addition, DE 10260248 discloses and can determine and residual life is determined by the scaling loss that break-through pressure monitoring (Durchdruckueberwachung) detects the switch (vacuum protection) that only has a single switch contact system.At this, measure since the elasticity that the scaling loss on the switch contact element changes apart from (Federweg), the break-through pressure spring with this elasticity apart from the compression switch contact element.The indication of corresponding spring position is undertaken by the pointer that is fixed on the spring, and this pointer will be worth continuously accordingly and be mapped on the rule.Alternatively, proposed to be used for measuring method such as piezoelectric flexion converter, light barrier and the moving winding of continuous input (position is determined), wherein in turn off process, measured two results based on time interval measurement.At this, the shortcoming that produces for determining scaling loss is, scaling loss only detects by auxiliary element (for example elasticity distance), and the error effect that these auxiliary elements are subjected to certain tolerances and add.
In European application 05405679.1, measure the scaling loss that contacts in the electric switching system that (DRM) determine to have rated current contact system and scaling loss contact system by dynamic resistance.For this reason, when separating rated current contact site and scaling loss electric current contact site, measure the overlapping time between the separation of rated current contact site and scaling loss electric current contact site in the parallel-current path by resistance measurement, and determine scaling loss thus.The shortcoming of this measuring method is in order to measure scaling loss, switch must be measured from energy supply network disconnection and by the accessory power supply scene.
EP 1 555 683 A have described a kind of being used for and carried out the method that the contact site scaling loss is measured on by electric motor driven power switchs, wherein determine the mistiming on the different electric arc contact sites, and the mistiming on the electric arc spare of definite scaling loss, and determine scaling loss length according to two mistimings.Proof disadvantageously owing to indirect measuring method, is promptly measured the drive current of motor in the prior art, so can only accurately determine the scaling loss state inadequately.
In EP 0 694 937 A2, disclose a kind of method that is used for determining the residual life of protection contact site, wherein determined the residual life of protection and show as residue switch number of times with as the residue working time with the form of number percent (%) by the display device on the switchgear.
Described a kind of method that is used for determining the contact site wearing and tearing of switchgear in US2005/122117A, change the working time when wherein measuring closed contact site.Measure working time by current sensor on the one hand by measurement be used for the switch contact site drive magnetic exciting current and undertaken by the electric current of measuring by the switch contact site on the other hand.Proof disadvantageously owing to be indirect measuring method, is promptly measured the exciting current of electromagnet in the prior art, and determining of the moment of contact site closure may be accurate inadequately.It is desirable for and measure the directly signal related with the closing motion of contact site.
The utility model content
Therefore, task of the present utility model is, proposes a kind of improved power switch, improved the operational reliability of switch and also can realize discerning simplifiedly the running status of power switch by this power switch by this power switch.According to the utility model, this task solves by the feature of independent claims.
Theme of the present utility model is a kind of power switch, the mechanical actuation device one of at least that it comprises the scaling loss contact system and is used for mobile scaling loss contact site, wherein mechanical actuation device comprises the mechanical energy storer, triggers element and to the force transmission element of scaling loss contact site movably, this switch is characterised in that, there is the device that is used for determining the contact site scaling loss, these devices have the sensor that is used to detect with reference to the moment, and wherein force transmission element passes through position given in advance at this with reference to the moment.In addition, this power switch has and is used to detect the principal current by power switch and is used for detector switch current sensor constantly, wherein shows that the contact site of scaling loss contact system is closed or disconnects in this switching time principal current; This power switch also has detecting signal unit, is used for determining according to the mistiming scaling loss state of scaling loss contact site.In addition, power switch has the sensor that is used to detect with reference to the moment, is used for the triggering command of trigger element with reference to existence constantly at this.Existence is used to detect at least one running parameter of mechanical actuation device and is used in case of necessity coming calibration reference device constantly based on the actual value and the deviation between the ratings of running parameter.In another preferred form of implementation, running parameter is the temperature of mechanical actuation device and/or triggers the service voltage of element and/or the charged state of energy storing device.In the preferred form of implementation of another kind, mechanical actuation device is the elastic store drive unit, wherein triggers element and is used to unclamp the kayser of elastic energy storer or is used to open hydraulic valve, so that the direction of in turning on and off process power being transmitted counter-rotating.Of the present utility model on the other hand in, the utility model also is: power switch has the detecting signal unit that is used for determining measuring-signal, the scaling loss state of this signal indicating scaling loss contact site, and power switch has the display unit that is used to show the contact site scaling loss, wherein detecting signal unit has calculation element, is used between measuring-signal and zone of alarm or undoubtedly property interval (Unbedenklichkeitsintervall) related.Display unit has and is used for when measuring-signal is arranged between zone of alarm the device of alerting signal with the output of optical mode and/or acoustically.
Comprise according to power switch of the present utility model: scaling loss contact system and be used for the mechanical actuation device one of at least of mobile scaling loss contact site, wherein mechanical actuation device comprises the mechanical energy storer, triggers element and to the force transmission element of scaling loss contact site movably, wherein there is the device that is used for determining the contact site scaling loss, these devices comprise: be used to detect with reference to sensor constantly, wherein force transmission element passes through position given in advance at this with reference to the moment; And be used to detect the principal current by power switch and be used for detector switch current sensor constantly, wherein show that the contact site of scaling loss contact system is closed or disconnect in this switching time principal current; And detecting signal unit, be used for determining the scaling loss state of scaling loss contact site according to the mistiming, wherein the initial time between the switching time of the reference of definite this switching process moment and this switching process is poor in the switching process of power switch, wherein the reference of determining this switching process at another switching process constantly and the instantaneous time between the switching time of this switching process poor, and wherein determine the scaling loss state of scaling loss contact site by the deviation of instantaneous time difference and initial time difference, and wherein power switch comprises: be used for determining the detecting signal unit of measuring-signal, this measuring-signal shows the scaling loss state of scaling loss contact site; With the display unit that is used to show the contact site scaling loss, wherein detecting signal unit has calculation element, be used for property is interval related between measuring-signal and zone of alarm or undoubtedly, and wherein display unit has and is used for the device of alerting signal with the output of optical mode and/or acoustically, it is characterized in that, calculation element is designed between measuring-signal and zone of alarm, interval or therebetween suspicious interval of property is related undoubtedly, and display unit is designed for by three kinds of different colors and exports three grades of signals.
In the method for the contact site scaling loss that is used for measuring power switch, this switch comprises the scaling loss contact site and is used for the mechanical actuation device one of at least of mobile scaling loss contact site.This mechanical actuation device comprises the mechanical energy storer, trigger element and to the force transmission element of scaling loss contact site movably.Have the rated current contact system, and limit with reference to constantly, these switching process occurs with reference to constantly showing.Determine to show the contact site closure of scaling loss contact system or the switching time that disconnects.Initial time in the switching process of power switch between the switching time of the reference of definite this switching process moment and this switching process is poor, wherein the reference of determining this switching process at another switching process constantly and the instantaneous time between the switching time of this switching process poor, and wherein determine the scaling loss state of scaling loss contact site by the deviation of instantaneous time difference and initial time difference.
In a kind of method that is used for showing the contact site scaling loss of power switch, power switch has contact system, be used for determining the detecting signal unit and the display unit of the scaling loss of contact system.Determine measuring-signal, this measuring-signal shows the scaling loss state of scaling loss contact site.Determine at least one undoubtedly between interval and at least one zone of alarm of property at measuring-signal, wherein when measuring-signal is positioned between zone of alarm, output alarm signal on display unit.Alerting signal is notified a limited number of switching process that also allows.
The reference of power switch is characterised in that this is with reference to constantly can repeatedly being determined constantly in each switching process.Preferably, in the connection process, when switch closure, detect with reference to constantly.In a preferred embodiment, with reference to direct by going code of drive unit provided constantly.Can be that electric current changes or the signal of change in voltage form so go code, this signal for example be triggered in the coil of the drive unit of power switch.In another preferred form of implementation, with reference to determining that by moving of driving mechanism for switch this moves through the triggering that goes code that is used for Closing Switch constantly.In another preferred form of implementation, with reference to constantly determining in the following manner: according to the reference point of determining on the curve movement of the main contact system by driving mechanism for switch that goes code or definite reference levels, and this reference point or reference levels are for example measured by path sensor or rotation sensor, auxiliary contact site or light barrier.
The principle of work of measuring method is, the mistiming of the variation between second moment that definite first reference moment that limits that cause owing to the scaling loss that increases, mobile and electric current limit.
Other preferred forms of implementation of the present utility model, advantage and application are by drawing in the combination of dependent claims, claim and following description and the accompanying drawing.
Description of drawings
Below will further set forth theme of the present utility model by the preferred embodiment shown in the accompanying drawing.Wherein:
Fig. 1 schematically shows the simplified electrical circuit diagram of the power switch that has scaling loss contact system and rated current contact system, and this power switch links to each other with the part of electric energy feed system;
Fig. 2 schematically shows the embodiment of the current-time characteristic curve of scaling loss contact system in the power switch and rated current contact system.
Reference numeral that uses in the accompanying drawing and implication thereof in the Reference numeral table by summing-up list.In the accompanying drawings, identical or act on identical part and be provided with identical or similar Reference numeral basically.Be not illustrated for understanding the unessential parts part of the utility model.Described embodiment is exemplary for the utility model theme, and effect without limits.
Embodiment
Fig. 1 schematically shows power switch 1, and this power switch is contained in the energy supply system that is not further illustrated.High-voltage switch gear and Medium voltage switch or circuit breaker are considered as power switch 1, and these high and medium voltage switches for example can be generator contactor or power earthing device (Leistungserder).Switch 1 makes the track section 3b of electric energy feed system and track section 3a disconnects or electrical connection.For this reason, (2a, 2n) the elastic store drive unit 11 by machinery disconnects or closure the contact system of switch 1.The triggering element 13 of drive unit 11 triggers the mechanical energy memory storage 14 that is configured to leaf spring, wherein this energy storing device proceeds to the contact system (2a of switch by the element 15 that can be constructed as driving stem, power transmission 2n) is used to carry out closure/disconnection.When Closing Switch 1, at first closed scaling loss contact system 2a, and subsequently with several milliseconds time delay closing rating electric current contact system 2n.The electric current that flows in power switch 1 commutates to rated current contact system 2n from scaling loss contact system 2a during closing course.In addition, power switch 1 comprises the sensor 9,10 that is used to detect measuring-signal, be used to detect and handle the detecting signal unit 4 and the display unit 5 of measuring-signal, the state that for example can show power switch 1 by this display unit by the signal indication or the residual life of scaling loss.
In the utility model, by measured, determine scaling loss on the scaling loss contact system with the mistiming of the contact site closure of scaling loss contact system, and utilize it to assess the residual life of power switch 1.Time difference measurements " online " carries out, and when promptly being electrically connected in switch 1 work and with energy supply network, and carries out during the connection stage of switch 1.Switch 1 advantageously needn't be supplied with the network decoupling with energy thus, determines so that carry out scaling loss.Similarly, scaling loss is determined also can carry out in the off-phases of power switch 1, yet wherein owing to electric arc occurs, determines the accurate moment of the contact separation on the scaling loss contact system 2a confirms it is more difficult.The disconnection of switch test example constantly is as being undertaken by measuring the arc voltage that occurs.
For the scaling loss of determining scaling loss contact system when the Closing Switch 1 and the residual life of assessing switch thus, detect with reference to the mistiming between first contact of two scaling loss contact sites of tr and scaling loss contact system 2a constantly, and detect beginning thus at moment ta electric current in main system.Along with the number of times increase of switching process and the related therewith scaling loss increase on the contact site of scaling loss contact system 2a, because caused fret wear makes distance Duan Gengda, and make thus and become longer to the required duration of closed contact site 2a from triggering closing course.
Fig. 2 is schematically at scaling loss contact system 2a (family curve 6) with show the time curve of electric current I during the connection process at rated current contact system 2n (family curve 7).As any reproducible signal that can use with reference to tr constantly on drive unit, for example in drive coil owing to the change in voltage that goes code and occur when the Closing Switch 1.Yet, for example go code itself, the signal of auxiliary contact site or the drive unit that triggers by going code move or coil in electric current change can be detected and with acting on the signal of determining with reference to moment tr.It is important in this that, with reference to constantly reproducing.After triggering the connection process several milliseconds, at moment ta period of contact, the electric current of the scaling loss contact site 2a of power switch 1 appears passing through at the contact site of scaling loss contact system 2a.Again after several milliseconds, at moment tn, the contact site of rated current contact system 2n is also closed, and electric current I also can flow through the contact site of rated current contact system 2n thus.
In order when switch 1 is closed, to detect, as schematically showing among Fig. 1, be provided with sensor 9 and 10 with reference to tr and ta constantly constantly.At this, for example can the conduct of working voltage measuring equipment be used for the witness mark sensor 9 of tr constantly.If yet with reference to tr constantly determine to be undertaken by the shift position of measuring electric current or the qualification by determining unshowned driving mechanism for switch the time, also may easily use current converter, auxiliary contact site or light barrier as sensor 9.Thus, define the beginning of closing course with reference to moment tr.Usually use current converter 10 as being used for determining that the sensor 10 of tr constantly, this current converter detect the electric current when the closed scaling loss contact system 2a.Alternatively, hall probe or Rogovski (Rogowski) coil also can be used as current sensor 10.Current sensor 10 can be arranged on as illustrated in fig. 1 that track section 3a goes up or track section 3b on.
[25] the given measuring amount of determining by sensor 9,10 with reference to moment tr and moment ta is detected and handles by detecting signal unit 4.The residual life of the size of information that obtains thus such as contact site scaling loss or switch 1 can be shown to the user by the display unit 5 of power switch 1.In first closing course of the first closure process that is also referred to as switch, determine the reference moment tr of this switching process by detecting signal unit 4
1And in this switching process the initial time difference ta between the switching time ta1 when closed scaling loss contact site
1-tr
1For each other closing course, detecting signal unit 4 is by instantaneous reference moment tr
xWith momentary switch moment ta
xDetermine instantaneous time difference ta
x-tr
xThe instantaneous time difference ta that determines by detecting signal unit 4
x-tr
xWith initial time difference ta
1-tr
1Between deviation be tolerance at the scaling loss on the contact site of power switch 1.Along with the number of times increase of switch periods, momentary switch is ta constantly
xTo threshold value ta
sDirection pass, as among Fig. 1 by as indicated in the arrow 8.If surpass at instantaneous time difference ta
x-tr
xDefined threshold value ta
s(this threshold value is corresponding to critical scaling loss length), then this state is signaled the user by display unit.Advantageously, by surpassing threshold value ta
sAnd determine to disconnect and the number of times of closing course, feasible can be with accurate information notification user about the residue degree of switch periods.Advantageously, before first time switching process, initial time difference ta
1-tr
1Canonical system amount as switch 1 is known, and can be by detecting signal unit 4 inputs before using power switch.In this way, can determine critical scaling loss length and thus with the residual life of switch 1 directly as canonical system amount and instantaneous time difference ta
x-tr
xBetween difference determine.Yet initial time difference ta
1-tr
1Also can be by averaging of a plurality of initial switch processes determined by detecting signal unit 4.Scaling loss and thus residual life can be directly during closing course, determine, and will switch and energy supply system decoupling.
[26] in another form of implementation, only consider the following measurement that is used for determining scaling loss: measure at these, known influence for example measures that dead time, temperature and the driving energy of power switch are in the restricted portion.Such advantage is, the fluctuation that is caused by these amounts of influence can not influence scaling loss to be determined, so and may carry out reliable scaling loss and determine.Alternatively, also can eliminate known correlativity by compensation.
[27] a plurality of threshold value ta in another form of implementation, have been defined
s, when surpassing these threshold values, signal the corresponding state of power switch 1.Advantageously, at lucky two state output signals of power switch, promptly at threshold value ta
sOn and threshold value ta
sUnder.In another favourable form of implementation, at three state output signals, promptly at first threshold ta
S1Under, at the second threshold value ta
S2On and between first and second threshold values.The corresponding state of power switch 1 is shown to the user by display element 5.
[28] advantageously, when determining the contact scaling loss, by the flow through turn-on current of scaling loss contact site 2a or determine second moment ta of measurement by the time-derivative of measuring turn-on current
1, ta
xAt this, under the situation that the contact site of scaling loss contact site 2a is touched, during electric arc stretches (Lichtbogenziehen) or when reaching capacity electric current, determine measured turn-on current.Current converter or Rogowski coil are used as sensor 10 and are used to measure turn-on current I, wherein under the situation of Rogowski coil, measure the time-derivative of turn-on current.At this, the demonstration of contact site scaling loss by as the alerting signal of (particularly colored) optics and/or acoustics and/or undoubtedly the property signal carry out.Such advantage is that the user is apprised of the current state of power switch all the time.In order to notify the user with the current state of power switch 1 as far as possible simply, have just between what a zone of alarm 8b and proper what a interval 8a of property undoubtedly, and between zone of alarm 8b and undoubtedly the interval 8a of property pass through two kinds of different color showings.In another preferred form of implementation, the current state of each of power switch is notified the user by three kinds of different colors, and wherein these colors are corresponding to 8b between zone of alarm, interval 8a of property and therebetween suspicious interval undoubtedly.The advantage of this multistage demonstration is, before the scaling loss contact site is made by scaling loss that after further switch periods switch reaches critical Functional Capability, to the user notification intermediateness.Thus, the user is forewarned and can preplan and revise switch 1.
The Reference numeral table
1 power switch
2a scaling loss contact system, the scaling loss contact site
2n rated current contact system
3a, 3b track section, circuit
4 detecting signal units
5 display units
6 scaling loss contact system electric current-time curves
7 rated current contact system electric current-time curves
8 moment ta
xBecause the passing direction of scaling loss
Between the 8a zone of alarm
8b is the property interval undoubtedly
9 sensors, reference sensor
10 current sensors
11 drive units
13 trigger element
14 energy accumulators
15 force transmission elements
Tr
1Initial reference constantly
Tr
xReference after x switching process constantly
Ta
1Initial switch constantly
Ta
xInstantaneous moment after x switching process
Ta
sThreshold value
The moment of tn when the contact site closure of rated current contact system
Claims (5)
1. a power switch (1), the mechanical actuation device (11) one of at least that it comprises scaling loss contact system (2a) and is used for mobile scaling loss contact site, wherein mechanical actuation device (11) comprises mechanical energy storer (14), triggers element (13) and to the force transmission element of scaling loss contact site (15) movably, wherein have the device that is used for determining the contact site scaling loss, these devices comprise:
Be used for detecting with reference to the moment (tr
1..., tr
x) sensor (9), wherein force transmission element (15) at this with reference to constantly by position given in advance; And
Be used for detecting the principal current by power switch (1) and be used for the detector switch moment (ta
1..., ta
x) current sensor (10), wherein show that the contact site of scaling loss contact system (2a) is closed or disconnect in this switching time principal current; And
Detecting signal unit (4) is used for according to mistiming ((ta
x-tr
x)-(ta
1-tr
1)) determine the scaling loss state of scaling loss contact site (2a), wherein in the switching process of power switch (1), determine reference the moment (tr of this switching process
1) and the switching time (ta of this switching process
1) between the poor (ta of initial time
1-tr
1), the reference of determining this switching process at another switching process (tr constantly wherein
x) and the switching time (ta of this switching process
x) between the poor (ta of instantaneous time
x-tr
x), and wherein by the poor (ta of instantaneous time
x-tr
x) and the poor (ta of initial time
1-tr
1) deviation determine the scaling loss state of scaling loss contact site (2a), and
Wherein power switch comprises: be used for determining the detecting signal unit (4) of measuring-signal, this measuring-signal shows the scaling loss state of scaling loss contact site; With the display unit that is used to show the contact site scaling loss (5), wherein detecting signal unit (4) has calculation element, be used for (8a) between measuring-signal and zone of alarm or undoubtedly property interval (8b) related, and wherein display unit (5) has and is used for the device of alerting signal with the output of optical mode and/or acoustically
It is characterized in that,
Calculation element is designed for (8a) between measuring-signal and zone of alarm, property interval (8b) or therebetween suspicious interval are related undoubtedly, and display unit (5) is designed for by three kinds of different three grades of signals of colors output.
2. power switch according to claim 1 (1) is characterized in that,
Power switch (1) comprises at least one the device that is configured to be used for the testing parameter, and described running parameter is the temperature of mechanical actuation device and/or triggers the service voltage of element (13) and/or the charged state of energy storing device.
3. power switch according to claim 1 and 2 (1) is characterized in that,
Mechanical actuation device (11) is the elastic store drive unit, wherein triggers element (13) and is used to unclamp the kayser of elastic energy storer (14) or be used to open hydraulic valve, so that the direction of in turning on and off process power being transmitted counter-rotating.
4. according to claim 1 or 2 described power switchs (1), it is characterized in that power switch (1) is a generator contactor.
5. power switch according to claim 3 (1) is characterized in that, power switch (1) is a generator contactor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06405272.3 | 2006-06-26 | ||
| EP06405272 | 2006-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302605Y true CN201302605Y (en) | 2009-09-02 |
Family
ID=37460101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007900000679U Expired - Lifetime CN201302605Y (en) | 2006-06-26 | 2007-06-26 | High-power switch capable of determining and displaying burning loss of contact part |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN201302605Y (en) |
| DE (1) | DE202007018709U1 (en) |
| RU (1) | RU85742U1 (en) |
| WO (1) | WO2008000105A1 (en) |
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| CN103155076A (en) * | 2010-08-31 | 2013-06-12 | Abb技术有限公司 | Circuit breaker interrupter travel curve estimation |
| CN105143897A (en) * | 2013-03-12 | 2015-12-09 | Abb技术有限公司 | Apparatus for online monitoring of medium and high voltage circuit breaker |
| CN108431921A (en) * | 2015-12-14 | 2018-08-21 | 超级电力研究所有限公司 | Monitor the method for electric switch equipment and the electrical installation including electrical switchgear |
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| EP2619779B1 (en) | 2010-09-24 | 2014-03-19 | ABB Technology AG | Gas-insulated high-voltage switch for interruption of large currents |
| DE202013101455U1 (en) * | 2013-04-05 | 2014-07-09 | Weidmüller Interface GmbH & Co. KG | Function electronic module |
| AT515818B1 (en) * | 2014-05-16 | 2016-08-15 | Omicron Electronics Gmbh | Method and system for testing a substation for power transmission systems |
| DE102014211065B4 (en) * | 2014-06-11 | 2024-01-18 | Siemens Aktiengesellschaft | Function and wear monitoring in a charging device for an electric vehicle |
| EP3035360B1 (en) | 2014-12-16 | 2017-03-08 | General Electric Technology GmbH | Improvements in or relating to circuit interruption devices |
| DE102015121264A1 (en) * | 2015-12-07 | 2017-06-08 | Epcos Ag | Contactor and method for functional testing of a contactor |
| CN107180728B (en) | 2016-03-11 | 2020-08-25 | Abb瑞士股份有限公司 | Solid-sealed polar pole and assembling method thereof |
| CN110133408A (en) * | 2019-05-24 | 2019-08-16 | 武汉大洋义天科技股份有限公司 | A kind of High Voltage Circuit Breaker Contacts life appraisal device and method |
| CN111933459A (en) * | 2020-07-20 | 2020-11-13 | 西安热工研究院有限公司 | Method for detecting electrical wear state of breaker contact by utilizing arc power |
| FR3124306A1 (en) | 2021-06-16 | 2022-12-23 | Schneider Electric Industries Sas | Device for breaking a medium voltage electrical circuit |
| GB2619722A (en) * | 2022-06-13 | 2023-12-20 | L C Switchgear Ltd | Switch condition monitoring |
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| DE4326640C2 (en) * | 1993-08-09 | 2000-07-06 | Alstom Energietechnik Gmbh | Measuring device for the path of a moving part on an electrical switching device and method for operating a switching device with a measuring device |
| US5629869A (en) * | 1994-04-11 | 1997-05-13 | Abb Power T&D Company | Intelligent circuit breaker providing synchronous switching and condition monitoring |
| DE4417694A1 (en) * | 1994-05-20 | 1995-11-23 | Licentia Gmbh | Measuring switching time of switching device contg. electromagnetic trigger |
| DE4427006A1 (en) | 1994-07-29 | 1996-02-01 | Siemens Ag | Method for determining the remaining service life of contacts in switchgear and associated arrangement |
| DE19915978A1 (en) * | 1999-04-09 | 2000-10-12 | Abb Patent Gmbh | Method for measuring contact wear of power switch of medium or high voltage by comparing of distance S1 to contact point of movable contact piece with initial contact of current and target time diagram |
| EP1318533A1 (en) | 2001-12-07 | 2003-06-11 | ABB Schweiz AG | Method for determining the state of contact wear in a circuit breaker |
| FR2834120B1 (en) | 2001-12-21 | 2004-02-06 | Schneider Electric Ind Sa | METHOD FOR DETERMINING THE WEAR OF CONTACTS OF A SWITCHING APPARATUS |
| DE10260248B4 (en) * | 2002-12-20 | 2005-07-21 | Siemens Ag | Method for determining the remaining service life of a switching device and associated arrangement |
| DE102004002173A1 (en) | 2004-01-15 | 2005-08-04 | Abb Technology Ag | Method for testing a circuit breaker |
| EP1793235A1 (en) | 2005-11-30 | 2007-06-06 | ABB Technology AG | Monitoring System for High-Voltage Switch Gears |
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2007
- 2007-06-26 CN CNU2007900000679U patent/CN201302605Y/en not_active Expired - Lifetime
- 2007-06-26 DE DE202007018709U patent/DE202007018709U1/en not_active Expired - Lifetime
- 2007-06-26 WO PCT/CH2007/000316 patent/WO2008000105A1/en active Application Filing
- 2007-06-26 RU RU2009102224/22U patent/RU85742U1/en active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103155076A (en) * | 2010-08-31 | 2013-06-12 | Abb技术有限公司 | Circuit breaker interrupter travel curve estimation |
| CN103155076B (en) * | 2010-08-31 | 2017-02-22 | Abb技术有限公司 | circuit breaker interrupter travel curve estimation |
| CN105143897A (en) * | 2013-03-12 | 2015-12-09 | Abb技术有限公司 | Apparatus for online monitoring of medium and high voltage circuit breaker |
| CN105143897B (en) * | 2013-03-12 | 2018-04-24 | Abb 技术有限公司 | Equipment for the On-line monitor of medium and high pressure breaker |
| CN108431921A (en) * | 2015-12-14 | 2018-08-21 | 超级电力研究所有限公司 | Monitor the method for electric switch equipment and the electrical installation including electrical switchgear |
| CN108431921B (en) * | 2015-12-14 | 2019-12-13 | 超级电力研究所有限公司 | Method of monitoring an electrical switching apparatus and electrical installation comprising an electrical switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202007018709U1 (en) | 2009-03-26 |
| RU85742U1 (en) | 2009-08-10 |
| WO2008000105A1 (en) | 2008-01-03 |
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