CN202522649U - Fault recognition device and application device of high-voltage capacitance device - Google Patents
Fault recognition device and application device of high-voltage capacitance device Download PDFInfo
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- CN202522649U CN202522649U CN2012201721846U CN201220172184U CN202522649U CN 202522649 U CN202522649 U CN 202522649U CN 2012201721846 U CN2012201721846 U CN 2012201721846U CN 201220172184 U CN201220172184 U CN 201220172184U CN 202522649 U CN202522649 U CN 202522649U
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Abstract
The utility model discloses a fault recognition device and an application device of a high-voltage capacitance device. The fault recognition device and the application device of the high-voltage capacitance device comprise a receive-transmit unit, a process unit and a judgment unit, wherein the receive-transmit unit is used for receiving and transmitting circuit signals of a capacitor input form outside at a moment and inputting to the process unit. The process unit processes the circuit signals and inputs process results in the judgment unit. The judgment unit judges work conditions of the capacitor according to the process results. The fault recognition device and the application device of the high-voltage capacitance device can continuously monitor the work conditions of a single high-voltage capacitance device, diagnose early defects, send out warning signals, and give relative countermeasures. Therefore, work safety of the whole high-voltage capacitance device can be ensured and safe economic benefits of a power system are effectively improved.
Description
Technical field
The utility model relates to a kind of high-voltage parallel capacitor, relates in particular to a kind of Fault Identification device and application apparatus thereof of high voltage capacitive-type equipment.
Background technology
Adopting high-voltage parallel capacitor to carry out reactive-load compensation is to improve the power factor most common form, and this kind compensation way has that investment is little, and active power loss is little, and operation maintenance is advantage easily.But high-voltage parallel capacitor is a full-load run equipment; Rated current is bigger; The aging situation that causes high-voltage parallel capacitor to damage that is prone to capacity cell behind the long-play, even serious equipment breakdowns such as bulge, crowd be quick-fried can appear, impact to electric power netting safe running; The influence that the while high-voltage parallel capacitor also will bear harmonic wave composition in switching overvoltage and the system causes the equipment deficiency rate higher.
At present, can only assess the running status of high-voltage parallel capacitor through modes such as interruption maintenances, other salvo only can guarantee that operating fault is not enlarged.Power grid enterprises mainly contain infrared diagnostics and electric capacity test to the detection method of the high-voltage parallel capacitor of operation both at home and abroad.The infrared measurement of temperature diagnosis is the inherent vice of discovering device effectively.At present the detection of electric capacity is belonged to periodically and detect, sense cycle is 3 years, inherent vice that can't timely and effective discovering device.
In recent years, because the high-voltage parallel capacitor accident takes place frequently, power supply reliability has been caused bigger threat, so the research of high-voltage parallel capacitor on-line monitoring means receives publicity more and more.The researchist has carried out many researchs in this field both at home and abroad.Sum up various monitoring technology and find, existing high-voltage parallel capacitor monitoring system real-time, accuracy on the one hand is not enough.On-line monitoring system is generally just monitored some parameter of whole group high-voltage parallel capacitor at present on the other hand, still can not reach the purpose of accurate failure judgement capacitor, and practical application is more loaded down with trivial details.High-voltage parallel capacitor is in long-time running; Because defective, fault are more; And the electrical network maintenance run can't effectively be realized anticipation equipment failure in advance at present; So that be prone to the single capacitor fault and expand as whole group fault, have bigger equipment safety operation hidden danger, influenced the supporting capacity on the spot of reactive voltage.
The utility model content
The utility model purpose is to provide a kind of Fault Identification device and application apparatus thereof of more accurate, reliable, practical high voltage capacitive-type equipment; It can continuous monitoring separate unit high voltage capacitive-type equipment operating condition; The diagnosis early defect in time sends alerting signal, and provides corresponding anti-measure; Can ensure the security of operation of whole group high voltage capacitive-type equipment, effectively improve the safety economy benefit of electric system.
The utility model adopts following technical scheme:
A kind of Fault Identification device of high voltage capacitive-type equipment is characterized in that: comprise Transmit-Receive Unit, processing unit and judging unit; Wherein, said Transmit-Receive Unit is used to receive and dispatch the circuit signal in a certain moment of the said capacitor of outside input, and imports said processing unit; Said processing unit is handled said circuit signal, and process result is imported said judging unit; Said judging unit is judged the operating condition of said capacitor according to said result.
Said judging unit is used for the said result of said processing unit processes and preset threshold value are compared, and judges the operating condition of said capacitor.
Also comprise display unit, said display unit is used to show the said result of said processing unit output, and said judging unit is judged the operating condition of said capacitor through the said result that said display unit shows.
Said circuit signal comprises the eigenwert and the terminal voltage signal of the current signal of every said capacitor of branch road, and the said result of said processing unit output is the capacitance of the said capacitor of respective branch.
Said circuit signal also comprises the temperature signal of every said capacitor and the unbalance voltage signal of every group of said capacitor.
Also comprise monitoring unit, be arranged between said Transmit-Receive Unit and the said processing unit, the said circuit signal that is used to monitor the operating condition of said Transmit-Receive Unit and stores said Transmit-Receive Unit output.
Also comprise input block, send the operational order of measuring-signal through said Transmit-Receive Unit to the external world.
A kind of application apparatus of Fault Identification device of high voltage capacitive-type equipment; It is characterized in that: also comprise signal measurement apparatus; Said signal measurement apparatus is used to measure the circuit signal of high voltage capacitive-type equipment; And this circuit signal handled, handle the result who obtains and flow to said Fault Identification device, judge the operating condition of said Primary Conductor by said Fault Identification device.
Said signal measurement apparatus comprises current sense mechanism and voltage sensor mechanism; Wherein, said current sense mechanism is used to measure the current signal of said high voltage capacitive-type equipment, and exports after obtaining the eigenwert of this current signal, and said voltage sensor mechanism is used to measure the terminal voltage signal of said high voltage capacitive-type equipment.
Said current sense mechanism comprises current sensor and detecting unit, and said current sensor is used to measure the current signal of said high voltage capacitive-type equipment, and said detecting unit is used to receive said current signal, and exports after obtaining the eigenwert of this current signal.
Also comprise power supply unit; Said power supply unit comprises gets ability unit and power module; Said getting can be obtained current source and output through the induction by current on the said high voltage capacitive-type equipment in the unit; Said power module receive said gets can unit output said current source, and offer said detecting unit after converting said current source to stable voltage source; Or charge/discharge unit, when said detecting unit was worked, said charge/discharge unit was that said detecting unit provides stable voltage; When said detecting unit was not worked, the said charge/discharge unit of said current sensor was charging.
Said detecting unit comprises A/D conversion subelement, computation subunit and communication subelement; Wherein, said A/D conversion subelement is exported after being used to receive the said current signal of said current sensor output and converting digital signal to; Said computation subunit is used to receive the said digital signal of said A/D conversion subelement output and carries out analytical calculation, obtains exporting after the eigenwert of said current signal; Said communication subelement is used to receive said eigenwert and output.
Said communication subelement is wireless communication module or optical fiber.
Said current sensor suit or sealing are in said high voltage capacitive-type equipment or be sleeved on the root or the top of the bushing that is equipped with said high voltage capacitive-type equipment, and said current sensor is a kind of in toroid winding, pincerlike coil, open type coil, Luo-coil and the Hall coil.
Said voltage sensor mechanism is the discharge coil with two Secondary Winding; One of them said Secondary Winding provides signal, another said Secondary Winding to be used to measure the unbalance voltage signal of every group of said capacitor and the terminal voltage signal of every said capacitor of branch road for protection.
Also comprise the on-line monitoring main frame, be arranged between said current sense mechanism and the said Fault Identification device, be used for receiving and transmitting data signals.
The technique effect of the utility model is: the utility model is through temperature variation, electric capacitance change and the voltage difference of various sensor measurement separate unit high voltage capacitive-type equipments; And through wireless network transmissions to Fault Identification device; By Fault Identification device synthetic determination separate unit high-voltage parallel capacitor running status, the diagnosis early defect provides corresponding alarm and counter arranging; And through information of voltage before and after the failure wave-recording record trouble, for crash analysis provides foundation.
Description of drawings
Fig. 1 is the embodiment synoptic diagram of the measured high voltage capacitive-type equipment of the utility model;
Fig. 2 is the structured flowchart of application apparatus of the Fault Identification device of the utility model high voltage capacitive-type equipment;
Fig. 3 is the structured flowchart of current sense mechanism among Fig. 2;
Fig. 4 is the structural representation of current sensor among Fig. 3;
Fig. 5 is the structured flowchart of current sensor among Fig. 3;
Fig. 6 is the structured flowchart of the Fault Identification device of Fig. 2 mesohigh capacitance type equipment.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explain, but not as the qualification to the utility model.
The measuring object of the utility model is " high voltage capacitive-type equipment " normally, such as: capacitor, wall bushing and transformer etc.Here " high voltage capacitive-type equipment " refers to the equipment that electric current flows through, and after this equipment was installed current sensor, current sensor can be measured the current signal of this equipment of flowing through according to electromagnetic induction principle.The utility model is set forth as measuring object with high-voltage parallel capacitor below.
As shown in Figure 1; Shown in Fig. 1 is one group of high-voltage parallel capacitor, and this group high-voltage parallel capacitor is by a, b, c three phase compositions, and each only illustrates a capacitor C mutually; In fact; Each can be composed in parallel by many branch roads mutually, and every branch road N platform capacitor of can connecting, and N is more than or equal to 1.The circuit signal to be measured of the utility model comprises the voltage signal u (hereinafter all abbreviates " the terminal voltage signal u of capacitor C " as) at two ends of current signal i (hereinafter all abbreviates " the current signal i of capacitor C " as) and every the branch road capacitor C of every branch road capacitor C, can also comprise the temperature signal T (hereinafter all abbreviates " the temperature signal T of capacitor C " as) of every capacitor C in unbalance voltage signal delta U (hereinafter all abbreviates " the unbalance voltage signal delta U of capacitor C " as) and every the branch road of every group capacitor C.
For the fault to capacitor C is implemented early warning, the operating condition of the utility model continuous monitoring capacitor C.As shown in Figure 2; The utility model comprises signal measurement apparatus, Fault Identification device and on-line monitoring main frame; Signal measurement apparatus is used to gather the circuit signal of capacitor C; And this circuit signal handled, process result is uploaded to the Fault Identification device by the on-line monitoring main frame through mode wireless or optical fiber or cable, is judged the operating condition of capacitor C again according to process result by the Fault Identification device.
Signal measurement apparatus comprises current sense mechanism, voltage sensor mechanism and TEMP mechanism.Wherein, Shown in Fig. 3-5, current sense mechanism is used for the current signal i of Measurement of capacitor C, and this mechanism comprises current sensor 1 and detecting unit 2; In the present embodiment; What current sensor 1 adopted is a loop configuration, and like toroid winding, toroid winding suit or sealing are in capacitor C or be located in the root or the top of the bushing of capacitor C.This current signal i responds to acquisition through the electric current I of the capacitor C that flows through, and current signal i refers to some moment current corresponding signals.Compare with other current sensor, loop configuration obtains the signal of degree of precision more easily, and current sensor 1 can adopt any in pincerlike coil, open type coil, Luo-coil and the Hall coil, but is not limited thereto.
In the present embodiment, can adopt internal battery, be detecting unit 2 power supplies as power supply unit, and also can adopt by getting can unit 3 be detecting unit 2 power supplies with the power supply unit that power module 4 constitutes.Below through a concrete embodiment describe in further detail get can the unit 3 effect and the functions that in the utility model, are played with power module 4.
As shown in Figure 4, above-mentioned " get can " refers to through the principle of electromagnetic induction and obtains electric current from capacitor C induction.Get can the unit 3 what adopt also is loop configuration, can coil such as getting, this loop configuration ratio is easier to realize, but the structure of square, rectangle, ellipse even opening also can realize.Get can unit 3 suits or sealing in capacitor C or be arranged in the root or the top of the bushing of capacitor C, the induction by current through the capacitor C that flows through obtains current source, exports to power module 4.Because it is identical with the shape and the placement location of current sensor 1 to get ability unit 3, therefore can be placed in the same annular outer cover with current sensor 1 unit 3 getting.Power module 4 can be purchased from the market, such as: model is the power module of LPK2-P, and it mainly acts on and is: will get the current source of carrying ability unit 3 and convert stable voltage source to, and offer detecting unit 2 then.Compare with battery, adopt get can unit 3 and power module 4 combine be in: get can unit 3 and the combination of power module 4 can increase the service life, and avoided battery to need the defective of often changing.
In the foregoing description; Can also adopt charge/discharge unit 5 is detecting unit 2 power supplies as power supply unit, and charge/discharge unit 5 can be rechargeable battery or electric capacity, like this; When detecting unit 2 work; Charge/discharge unit 5 can provide stable voltage source for detecting unit 2, and when detecting unit 2 is not worked, is charge/discharge unit 5 chargings by current sensor 1.
Like Fig. 3, shown in Figure 4, after detecting unit 2 is used for current signal i that received current sensor 1 collects, export after obtaining the eigenwert of current signal i.Detecting unit 2 comprises A/D conversion subelement 21, computation subunit 22 and communication subelement 23; Wherein, A/D conversion subelement 21 is used for the current signal i of received current sensor 1 output, and carries out analog to digital conversion, obtains output again after the digital signal of a current signal i.Computation subunit 22 is used to receive the digital signal of A/D conversion subelement 21 outputs; And digital signal carried out analytical calculation; As: Fourier transform; Obtain the eigenwert of current signal i, this eigenwert refers to the one or more combination in effective value, mean value, peak value and the frequency of the amplitude of first-harmonic or each harmonic.Each harmonic refers to third harmonic or quintuple harmonics or the seventh harmonic etc.The eigenwert of current signal i is exported through communication subelement 23.In the present embodiment, communication subelement 23 can adopt wireless communication module, also can adopt optical fiber, carries out the signal transmission.Detecting unit 2 can also comprise filtering subelement 24, and it is used for the signal of current sensor 1 or 21 outputs of A/D conversion subelement is carried out Filtering Processing, to filter the signal value except the eigenwert of wanting.
Like Fig. 1, shown in Figure 2, voltage sensor mechanism is used for terminal voltage u and the unbalance voltage value Δ U of Measurement of capacitor C.What voltage sensor mechanism adopted is discharge coil, yet it is that protective device provides voltage signal that conventional discharge coil has only a Secondary Winding.Discharge coil in the present embodiment has two Secondary Winding, and a winding precision is 0.5 grade, is used for to protection provides signal, and another winding precision is 0.2 grade, is used for measuring above-mentioned each voltage signal.TEMP mechanism is used to measure the housing of every capacitor C and the temperature signal T of joint, and what the TEMP mechanism in the present embodiment adopted is existing equipment.The measured data that obtain of TEMP mechanism and voltage sensor mechanism can be transferred to the on-line monitoring main frame through wireless or optical fiber mode.
As shown in Figure 6, the Fault Identification device comprises Transmit-Receive Unit 61, processing unit 62 and judging unit 63.Wherein, Transmit-Receive Unit 61 is used to receive and dispatch the circuit signal of the capacitor C of on-line monitoring main frame input; And input processing unit 62; Handled by 62 pairs of circuit signals of processing unit, and process result is imported judging unit 63, judging unit 63 is judged the operating condition of capacitor C according to result.
Be provided with in the processing unit 62 and calculate capacitance formula: c=i/jwu; Wherein, c is the capacitance of each bar branch road, and i is the size of the current signal of each bar branch road of measuring; J is an imaginary unit; U is the terminal voltage at the capacitor C two ends of each bar branch road, and w is the frequency of electric system, 50HZ ± 2HZ.
When only comprising eigenwert and the terminal voltage u of current signal of capacitor C when circuit signal, processing unit 62 calculates the capacitance of the capacitor C of each bar branch road, and judging unit 63 is judged the operating condition of capacitor C according to the capacitance of input.
When circuit signal except the eigenwert and terminal voltage u of the current signal that comprises capacitor C; When also comprising temperature signal T and the unbalance voltage signal TV of capacitor C; Processing unit 62 remains the capacitance of the capacitor C that calculates each bar branch road; Judging unit 63 is except judging the operating condition of capacitor C according to the capacitance of input; Temperature signal T and the unbalance voltage signal delta U of all right building-out condenser C, with the operating condition of comprehensive judgement capacitor C, the result who judges like this can be more accurate.
When the voltage of system's (bus) and change of frequency were little, Transmit-Receive Unit 61 can directly be judged according to the eigenwert of current signal the eigenwert input judging unit 63 of current signal by judging unit 63 to the operating condition of capacitor C.
Therefore; The respective threshold of eigenwert of electric capacity, temperature signal T and unbalance voltage signal delta U and the current signal of capacitor C can be set in the judging unit 63 in advance; Judging unit 63 can compare the corresponding signal of threshold value in it and input, judges the operating condition of capacitor C; Also can display unit 64 be set in addition again, be used to show from the capacitance of the capacitor C of processing unit 62 outputs and from temperature signal T and the unbalance voltage signal delta U of the capacitor C of Transmit-Receive Unit 61 inputs.Judging unit 63 is judged the operating condition of capacitor C through the content that display unit 64 demonstrates.The operating condition that judging unit 63 is judged all can show at display unit 64.And, the capacitance of the capacitor C of processing unit 62 output and all can storage unit 66, store from temperature signal T and the unbalance voltage signal delta U of the capacitor C of Transmit-Receive Unit 61 inputs.
Among above-mentioned each embodiment, the utility model also comprises monitoring unit 65, and it is arranged between Transmit-Receive Unit 61 and the processing unit 62, is used to monitor the operating condition of Transmit-Receive Unit 61 and the various circuit signals of storage Transmit-Receive Unit 61 outputs.
Among above-mentioned each embodiment, the utility model also comprises input block 67, successively through Transmit-Receive Unit 61 and on-line monitoring main frame, sends the operational order of measuring-signal to signal measurement apparatus.
It should be noted that; The above is merely the preferred embodiment of the utility model; Be not so limit the scope of patent protection of the utility model, the utility model can also carry out the improvement of material and structure to the structure of above-mentioned various parts, or employing technical equivalents thing is replaced.So the instructions of all utilization the utility model and the equivalent structure that diagramatic content is done change, or directly or indirectly apply to other correlative technology fields and all in like manner all be contained in the scope that the utility model contains.
Claims (16)
1. the Fault Identification device of a high voltage capacitive-type equipment is characterized in that: comprise Transmit-Receive Unit, processing unit and judging unit; Wherein, said Transmit-Receive Unit is used to receive and dispatch the circuit signal in a certain moment of the said capacitor of outside input, and imports said processing unit; Said processing unit is handled said circuit signal, and process result is imported said judging unit; Said judging unit is judged the operating condition of said capacitor according to said result.
2. Fault Identification device as claimed in claim 1 is characterized in that: said judging unit is used for the said result of said processing unit processes and preset threshold value are compared, and judges the operating condition of said capacitor.
3. Fault Identification device as claimed in claim 1; It is characterized in that: also comprise display unit; Said display unit is used to show the said result of said processing unit output, and said judging unit is judged the operating condition of said capacitor through the said result that said display unit shows.
4. like each described Fault Identification device among the claim 1-3; It is characterized in that: said circuit signal comprises the eigenwert and the terminal voltage signal of the current signal of every said capacitor of branch road, and the said result of said processing unit output is the capacitance of the said capacitor of respective branch.
5. Fault Identification device as claimed in claim 4 is characterized in that: said circuit signal also comprises the temperature signal of every said capacitor and the unbalance voltage signal of every group of said capacitor.
6. Fault Identification device as claimed in claim 5; It is characterized in that: also comprise monitoring unit; Be arranged between said Transmit-Receive Unit and the said processing unit the said circuit signal that is used to monitor the operating condition of said Transmit-Receive Unit and stores said Transmit-Receive Unit output.
7. Fault Identification device as claimed in claim 6 is characterized in that: also comprise input block, send the operational order of measuring-signal through said Transmit-Receive Unit to the external world.
8. one kind comprises the application apparatus like each described said Fault Identification device among the claim 1-7; It is characterized in that: also comprise signal measurement apparatus; Said signal measurement apparatus is used to measure the circuit signal of high voltage capacitive-type equipment; And this circuit signal handled, handle the result who obtains and flow to said Fault Identification device, judge the operating condition of said Primary Conductor by said Fault Identification device.
9. application apparatus as claimed in claim 8 is characterized in that: said signal measurement apparatus comprises current sense mechanism and voltage sensor mechanism; Wherein, said current sense mechanism is used to measure the current signal of said high voltage capacitive-type equipment, and exports after obtaining the eigenwert of this current signal, and said voltage sensor mechanism is used to measure the terminal voltage signal of said high voltage capacitive-type equipment.
10. application apparatus as claimed in claim 9; It is characterized in that: said current sense mechanism comprises current sensor and detecting unit; Said current sensor is used to measure the current signal of said high voltage capacitive-type equipment; Said detecting unit is used to receive said current signal, and exports after obtaining the eigenwert of this current signal.
11. application apparatus as claimed in claim 10; It is characterized in that: also comprise power supply unit; Said power supply unit comprises gets ability unit and power module; Said getting can the unit be obtained current source and output through the induction by current on the said high voltage capacitive-type equipment, said power module receive said gets can unit output said current source, and offer said detecting unit after converting said current source to stable voltage source; Or
Charge/discharge unit, when said detecting unit was worked, said charge/discharge unit was that said detecting unit provides stable voltage; When said detecting unit was not worked, the said charge/discharge unit of said current sensor was charging.
12. like each described application apparatus among the claim 8-11, it is characterized in that: said detecting unit comprises A/D conversion subelement, computation subunit and communication subelement; Wherein, said A/D conversion subelement is exported after being used to receive the said current signal of said current sensor output and converting digital signal to; Said computation subunit is used to receive the said digital signal of said A/D conversion subelement output and carries out analytical calculation, obtains exporting after the eigenwert of said current signal; Said communication subelement is used to receive said eigenwert and output.
13. application apparatus as claimed in claim 12 is characterized in that: said communication subelement is wireless communication module or optical fiber.
14. application apparatus as claimed in claim 13; It is characterized in that: said current sensor suit or sealing are in said high voltage capacitive-type equipment or be sleeved on the root or the top of the bushing that is equipped with said high voltage capacitive-type equipment, and said current sensor is a kind of in toroid winding, pincerlike coil, open type coil, Luo-coil and the Hall coil.
15. application apparatus as claimed in claim 14; It is characterized in that: said voltage sensor mechanism is the discharge coil with two Secondary Winding; One of them said Secondary Winding provides signal, another said Secondary Winding to be used to measure the unbalance voltage signal of every group of said capacitor and the terminal voltage signal of every said capacitor of branch road for protection.
16. application apparatus as claimed in claim 12 is characterized in that: also comprise the on-line monitoring main frame, be arranged between said current sense mechanism and the said Fault Identification device, be used for receiving and transmitting data signals.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201721846U CN202522649U (en) | 2012-04-20 | 2012-04-20 | Fault recognition device and application device of high-voltage capacitance device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012201721846U CN202522649U (en) | 2012-04-20 | 2012-04-20 | Fault recognition device and application device of high-voltage capacitance device |
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| CN202522649U true CN202522649U (en) | 2012-11-07 |
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| CN2012201721846U Expired - Lifetime CN202522649U (en) | 2012-04-20 | 2012-04-20 | Fault recognition device and application device of high-voltage capacitance device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628905A (en) * | 2012-04-20 | 2012-08-08 | 北京诺德威电力技术开发有限责任公司 | Fault recognition device of high-voltage capacitance type equipment and application device thereof |
| CN111141972A (en) * | 2019-12-16 | 2020-05-12 | 西安交通大学 | Capacitor running state online monitoring method based on PCB Rogowski coil |
-
2012
- 2012-04-20 CN CN2012201721846U patent/CN202522649U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628905A (en) * | 2012-04-20 | 2012-08-08 | 北京诺德威电力技术开发有限责任公司 | Fault recognition device of high-voltage capacitance type equipment and application device thereof |
| CN111141972A (en) * | 2019-12-16 | 2020-05-12 | 西安交通大学 | Capacitor running state online monitoring method based on PCB Rogowski coil |
| CN111141972B (en) * | 2019-12-16 | 2021-08-13 | 西安交通大学 | Capacitor running state online monitoring method based on PCB Rogowski coil |
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Granted publication date: 20121107 |