CN110133358B - Suppression management system of overvoltage - Google Patents
Suppression management system of overvoltage Download PDFInfo
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- CN110133358B CN110133358B CN201910402809.XA CN201910402809A CN110133358B CN 110133358 B CN110133358 B CN 110133358B CN 201910402809 A CN201910402809 A CN 201910402809A CN 110133358 B CN110133358 B CN 110133358B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
- G01R19/1658—AC voltage or recurrent signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
- G01R19/16595—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window) with multi level indication
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Abstract
The invention discloses an overvoltage suppression management system, which comprises a data monitoring module, a data sorting module, a controller, a database, a display screen, a data analysis module, a comparison unit, an alarm unit, intelligent equipment, a safety evaluation module and an execution module, wherein the data detection module is used for detecting data information related to overvoltage in real time, the data information comprises a capacitance and reactance value, an angular frequency, a capacitance value and a voltage value, and the data monitoring module transmits the data information to the data sorting module. The replacement frequency is reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of overvoltage suppression, in particular to an overvoltage suppression management system.
Background
The overvoltage is a long-time voltage variation phenomenon that the root mean square value of alternating voltage rises to exceed 10% of a rated value and the duration time is more than 1 minute under power frequency; the occurrence of overvoltage is usually a momentary result of load switching. During normal use, when an inductive or capacitive load is switched on or off, overvoltage can cause certain damage to lines and instruments.
The existing solution is to improve the circuit and replace the manufacturing material of the circuit, so that the circuit is more durable, but the replacement of the circuit cannot solve the problem, and the circuit can be damaged after being used for a long time.
Disclosure of Invention
The invention aims to provide an overvoltage suppression management system.
The invention aims to solve the technical problems that the existing solution is to improve the circuit and replace the manufacturing material of the circuit, so that the circuit is more durable, but the problem cannot be solved by replacing the circuit, and the circuit is damaged after being used for too long time;
the purpose of the invention can be realized by the following technical scheme: an overvoltage suppression management system comprises a data monitoring module, a data sorting module, a controller, a database, a display screen, a data analysis module, a comparison unit, an alarm unit, intelligent equipment, a safety evaluation module and an execution module;
the data monitoring module is used for detecting data information related to overvoltage in real time, the data information comprises a capacitance capacitive reactance value, an angular frequency, a capacitance value and a voltage value, the data monitoring module transmits the data information to the data sorting module, the data sorting module receives the data information transmitted by the data monitoring module and marks the data information, and the specific marking process is as follows:
the method comprises the following steps: the data sorting module automatically extracts a capacitance capacitive reactance value in the data information, and marks the capacitance capacitive reactance value as Dki, i =1.. n;
step two: the data sorting module automatically extracts angular frequency in the data information, and marks the angular frequency as Jpi, i =1.. n;
step three: the data sorting module automatically extracts the frequency in the data information, and marks the frequency as Pi, i =1.. n;
step four: the data sorting module automatically extracts a capacitance value in the data information, and the capacitance value is marked as Dri, i =1.. n;
step five: the data sorting module automatically extracts voltage values in the data information, and marks the voltage values as Dyi, i =1.. n;
the data analysis module receives the data information transmitted by the database and analyzes the data information to obtain the data information Dli = Dyi/Dki;
the data analysis module transmits the applicable current and the applicable voltage transmitted by the database to the comparison unit, the data analysis module transmits the calculated current and the detected real-time voltage to the comparison unit, the comparison unit receives the calculation result, the real-time detected voltage value, the applicable current and the applicable voltage transmitted by the data analysis module and compares the calculation result and the real-time detected voltage value with the applicable current and the applicable voltage, and the specific comparison process is as follows:
the method comprises the following steps: the comparison unit compares the current value calculated by the data analysis module and the voltage value detected in real time with the applicable current value and the applicable voltage value respectively, and judges the calculation result according to the comparison result, wherein the specific judgment process is as follows:
s1: respectively marking the applicable current value and the applicable voltage value as M, N, and comparing the current value calculated by the data analysis module and the voltage value detected in real time with the applicable current value and the applicable voltage value;
s2: when M = Dli and N = Dri, the current value and the voltage value are determined to be consistent with the applicable current value and the applicable voltage, and no danger exists;
s3: when M is not equal to Dli and N is not equal to Dri, judging that the current value and the voltage value are not consistent with the applicable current value and the applicable voltage, and sending a signal to an alarm unit if a danger exists;
the intelligent device transmits a control signal to the controller, the controller calls the comparison result and the data of the comparison unit and transmits the comparison result and the data to the safety evaluation module, and the safety evaluation module receives the comparison result and the data transmitted by the controller, compares the comparison result and the data and carries out safety evaluation to judge the safety of the current;
the display screen is used for displaying the evaluation result of the safety evaluation module.
Preferably, the data analysis module receives the data information transmitted by the database and the data sorting module and analyzes the data information, and the specific analysis process is as follows:
the method comprises the following steps: the data analysis module extracts capacitance value, frequency, angular frequency and capacitance capacitive reactance marked by the data sorting module, and brings the capacitance value, frequency, angular frequency and capacitance capacitive reactance into a calculation formula of the capacitance capacitive reactance, wherein the calculation formula is as follows: dki = 1/(Jpi × Dri) = 1/(2 × Pi × Dri);
step two: the data analysis module extracts the voltage value marked by the data sorting module and brings the voltage value and the calculation result of the capacitive reactance in the step one into a calculation formula to obtain the value of the real-time current, and the calculation formula is as follows: dli = Dyi/Dki.
Preferably, the security evaluation module receives the comparison result and the data transmitted by the controller and compares the result and the data to perform security evaluation, and the specific evaluation process is as follows:
the method comprises the following steps: setting a difference value Q between the applicable current value and the calculated current value, and simultaneously setting a difference value range T;
step two: comparing the current value calculated by the data analysis module with the applicable current value, and substituting the applicable current value and the calculated current value into a formula Q = M-Dli;
step three: and D, judging according to the difference value Q in the step two:
s1: when Q is greater than 0, the actual current is judged to be larger than the applicable current, then the maximum value of Q and T is compared, when Q is less than the maximum value of T, the current is judged to still be in the safety range, when Q is greater than the maximum value of T, the current is judged to be beyond the safety range, the safety evaluation module sends a signal to the execution module, and the execution module changes the resistance;
s2: when Q <0, the actual current is judged to be smaller than the applicable current, then the minimum value of Q and T is compared, when Q > the minimum value of T, the current is judged to still be in the safety range, when Q < the minimum value of T, the current is judged to be out of the safety range, the safety evaluation module sends a signal to the execution module, and the execution module changes the resistance.
Preferably, the data monitoring module is in communication connection with the data sorting module, the data sorting module is in communication connection with the controller, the controller is in communication connection with the database, the display screen is in communication connection with the controller, the data analysis module is in communication connection with the controller, the comparison unit is in communication connection with the data analysis module, the alarm unit is in communication connection with the comparison unit, the intelligent device is in communication connection with the alarm unit, the safety evaluation unit is in communication connection with the controller, and the execution module is in communication connection with the safety evaluation module.
The invention has the beneficial effects that:
(1) the data information comprises a capacitance capacitive reactance value, an angular frequency, a capacitance value and a voltage value, the data monitoring module transmits the data information to the data sorting module, the data sorting module receives the data information transmitted by the data monitoring module and marks the data information, the data sorting module transmits the marked data information to the controller, the controller receives the data information transmitted by the data sorting module and transmits the data information to the data analysis module, the database is used for storing applicable current and applicable voltage of the system, the database transmits the applicable current and applicable voltage of the storage system to the controller, the controller receives the current and voltage which are transmitted by the database and are applicable to the storage system and transmits the current and voltage which are applicable to the storage system to the data analysis module, and the data analysis module receives the data information transmitted by the database and the data sorting module and analyzes the data information, the data analysis module and the data sorting module are arranged to sort and mark the data information, so that the data analysis module can conveniently extract the data information, and the current passing through a certain path section can be calculated, the calculation result is more accurate, the time for staff to measure again is saved, and the safety is improved;
(2) the data analysis module transmits the applicable current and the applicable voltage transmitted by the database to the comparison unit, the data analysis module transmits the calculated current and the detected real-time voltage to the comparison unit, the comparison unit receives the calculation result, the real-time detected voltage value, the applicable current and the applicable voltage transmitted by the data analysis module and compares the calculation result and the real-time detected voltage value with the applicable current and the applicable voltage, and through the arrangement of the comparison unit, the calculation result, the real-time detected voltage value, the applicable current and the applicable voltage transmitted by the data analysis module are conveniently compared, whether the actual current and voltage are consistent with the applicable current and the applicable voltage or not is judged, the protection of a circuit is improved, the service life of the circuit is prolonged, the replacement frequency is reduced, and the working efficiency is improved.
(3) Alarm unit receives and compares the signal back that the unit sent and send alarm signal to smart machine, smart machine transmits control signal to the controller, the comparison result and the data of unit are compared in the controller transfer and transmit the safety assessment module, the comparison result and the data of safety assessment module receipt controller transmission are compared and are carried out the safety assessment to result and data, judge the security of electric current, be convenient for carry out the analysis to the electric current of circuit through the setting of safety assessment module, prevent that the electric current from too big damage circuit or instrument, bring economic loss for the user.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a system block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is an overvoltage suppression management system, including a data monitoring module, a data sorting module, a controller, a database, a display screen, a data analysis module, a comparison unit, an alarm unit, an intelligent device, a security evaluation module, and an execution module;
the data monitoring module is used for detecting data information related to overvoltage in real time, the data information comprises a capacitance capacitive reactance value, an angular frequency, a capacitance value and a voltage value, the data monitoring module transmits the data information to the data sorting module, the data sorting module receives the data information transmitted by the data monitoring module and marks the data information, and the specific marking process is as follows:
the method comprises the following steps: the data sorting module automatically extracts a capacitance capacitive reactance value in the data information, and marks the capacitance capacitive reactance value as Dki, i =1.. n;
step two: the data sorting module automatically extracts angular frequency in the data information, and marks the angular frequency as Jpi, i =1.. n;
step three: the data sorting module automatically extracts the frequency in the data information, and marks the frequency as Pi, i =1.. n;
step four: the data sorting module automatically extracts a capacitance value in the data information, and the capacitance value is marked as Dri, i =1.. n;
step five: the data sorting module automatically extracts voltage values in the data information, and marks the voltage values as Dyi, i =1.. n;
the data analysis module receives the data information transmitted by the database and analyzes the data information to obtain the data information Dli = Dyi/Dki;
the data analysis module transmits the applicable current and the applicable voltage transmitted by the database to the comparison unit, the data analysis module transmits the calculated current and the detected real-time voltage to the comparison unit, the comparison unit receives the calculation result, the real-time detected voltage value, the applicable current and the applicable voltage transmitted by the data analysis module and compares the calculation result and the real-time detected voltage value with the applicable current and the applicable voltage, and the specific comparison process is as follows:
the method comprises the following steps: the comparison unit compares the current value calculated by the data analysis module and the voltage value detected in real time with the applicable current value and the applicable voltage value respectively, and judges the calculation result according to the comparison result, wherein the specific judgment process is as follows:
s1: respectively marking the applicable current value and the applicable voltage value as M, N, and comparing the current value calculated by the data analysis module and the voltage value detected in real time with the applicable current value and the applicable voltage value;
s2: when M = Dli and N = Dri, the current value and the voltage value are determined to be consistent with the applicable current value and the applicable voltage, and no danger exists;
s3: when M is not equal to Dli and N is not equal to Dri, judging that the current value and the voltage value are not consistent with the applicable current value and the applicable voltage, and sending a signal to an alarm unit if a danger exists;
the intelligent device transmits a control signal to the controller, the controller calls the comparison result and the data of the comparison unit and transmits the comparison result and the data to the safety evaluation module, and the safety evaluation module receives the comparison result and the data transmitted by the controller, compares the comparison result and the data and carries out safety evaluation to judge the safety of the current;
the display screen is used for displaying the evaluation result of the safety evaluation module.
The data analysis module receives the data information transmitted by the database and the data sorting module and analyzes the data information, and the specific analysis process is as follows:
the method comprises the following steps: the data analysis module extracts capacitance value, frequency, angular frequency and capacitance capacitive reactance marked by the data sorting module, and brings the capacitance value, frequency, angular frequency and capacitance capacitive reactance into a calculation formula of the capacitance capacitive reactance, wherein the calculation formula is as follows: dki = 1/(Jpi × Dri) = 1/(2 × Pi × Dri);
step two: the data analysis module extracts the voltage value marked by the data sorting module and brings the voltage value and the calculation result of the capacitive reactance in the step one into a calculation formula to obtain the value of the real-time current, and the calculation formula is as follows: dli = Dyi/Dki.
The safety evaluation module receives the comparison result and the data transmitted by the controller and compares the result and the data to perform safety evaluation, and the specific evaluation process is as follows:
the method comprises the following steps: setting a difference value Q between the applicable current value and the calculated current value, and simultaneously setting a difference value range T;
step two: comparing the current value calculated by the data analysis module with the applicable current value, and substituting the applicable current value and the calculated current value into a formula Q = M-Dli;
step three: and D, judging according to the difference value Q in the step two:
s1: when Q is greater than 0, the actual current is judged to be larger than the applicable current, then the maximum value of Q and T is compared, when Q is less than the maximum value of T, the current is judged to still be in the safety range, when Q is greater than the maximum value of T, the current is judged to be beyond the safety range, the safety evaluation module sends a signal to the execution module, and the execution module changes the resistance;
s2: when Q <0, the actual current is judged to be smaller than the applicable current, then the minimum value of Q and T is compared, when Q > the minimum value of T, the current is judged to still be in the safety range, when Q < the minimum value of T, the current is judged to be out of the safety range, the safety evaluation module sends a signal to the execution module, and the execution module changes the resistance.
The data monitoring module is in communication connection with the data sorting module, the data sorting module is in communication connection with the controller, the controller is in communication connection with the database, the display screen is in communication connection with the controller, the data analysis module is in communication connection with the controller, the comparison unit is in communication connection with the data analysis module, the alarm unit is in communication connection with the comparison unit, the intelligent device is in communication connection with the alarm unit, the safety evaluation unit is in communication connection with the controller, and the execution module is in communication connection with the safety evaluation module.
When the invention works, the data information comprises a capacitance reactance value, an angular frequency, a capacitance value and a voltage value, the data monitoring module transmits the data information to the data sorting module, the data sorting module receives the data information transmitted by the data monitoring module and marks the data information, the data sorting module transmits the marked data information to the controller, the controller receives the data information transmitted by the data sorting module and transmits the data information to the data analysis module, the database is used for storing the applicable current and the applicable voltage of the system, the database transmits the applicable current and the applicable voltage of the storage system to the controller, the controller receives the current and the voltage which are transmitted by the database and are applicable to the storage system and transmits the current and the voltage which are applicable to the storage system to the data analysis module, the data analysis module receives the data information transmitted by the database and the data sorting module and analyzes the data information, the data analysis module transmits the applicable current and the applicable voltage transmitted by the database to the comparison unit, the data analysis module transmits the calculated current and the detected real-time voltage to the comparison unit, the comparison unit receives the calculation result, the real-time detected voltage value, the applicable current and the applicable voltage transmitted by the data analysis module and compares the calculation result and the real-time detected voltage value with the applicable current and the applicable voltage, the alarm unit sends an alarm signal to the intelligent device after receiving a signal sent by the comparison unit, the intelligent device transmits a control signal to the controller, the controller calls the comparison result and the data of the comparison unit and transmits the comparison result and the data to the safety evaluation module, the safety evaluation module receives the comparison result and the data transmitted by the controller and compares the comparison result and the data to perform safety evaluation, and the safety of the current is judged.
The invention transmits data information to a data sorting module through the data information comprising capacitance capacitive reactance value, angular frequency, capacitance value and voltage value, the data monitoring module receives the data information transmitted by the data monitoring module and marks the data information, the data sorting module transmits the marked data information to a controller, the controller receives the data information transmitted by the data sorting module and transmits the data information to a data analysis module, the database is used for storing applicable current and applicable voltage of a system, the database transmits the applicable current and applicable voltage of the storage system to the controller, the controller receives the current and voltage which are transmitted by the database and are applicable to the storage system and transmits the current and voltage which are applicable to the storage system to the data analysis module, and the data analysis module receives the data information transmitted by the database and the data sorting module and analyzes the data information, the data analysis module and the data sorting module are arranged to sort and mark the data information, so that the data analysis module can conveniently extract the data information, and the current passing through a certain path section can be calculated, the calculation result is more accurate, the time for staff to measure again is saved, and the safety is improved;
meanwhile, the data analysis module transmits the applicable current and the applicable voltage transmitted by the database to the comparison unit, the data analysis module transmits the calculated current and the detected real-time voltage to the comparison unit, the comparison unit receives the calculation result, the real-time detected voltage value, the applicable current and the applicable voltage transmitted by the data analysis module and compares the calculation result and the real-time detected voltage value with the applicable current and the applicable voltage, and through the setting of the comparison unit, the calculation result, the real-time detected voltage value, the applicable current and the applicable voltage transmitted by the data analysis module are conveniently compared, whether the actual current and voltage are consistent with the applicable current and the applicable voltage or not is judged, the protection of a circuit is improved, the service life of the circuit is prolonged, the replacement frequency is reduced, and the working efficiency is improved.
Meanwhile, the alarm unit sends an alarm signal to the intelligent equipment after receiving a signal sent by the comparison unit, the intelligent equipment transmits a control signal to the controller, the controller calls a comparison result and data of the comparison unit and transmits the comparison result and the data to the safety evaluation module, the safety evaluation module receives the comparison result and the data transmitted by the controller and compares the comparison result and the data to perform safety evaluation, the safety of the current is judged, the current of the circuit is conveniently analyzed through the setting of the safety evaluation module, the circuit or an instrument is prevented from being damaged due to the overlarge current, and economic loss is brought to a user.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (4)
1. The overvoltage suppression management system is characterized by comprising a data monitoring module, a data sorting module, a controller, a database, a display screen, a data analysis module, a comparison unit, an alarm unit, intelligent equipment, a safety evaluation module and an execution module;
the data monitoring module is used for detecting data information related to overvoltage in real time, the data information comprises a capacitance capacitive reactance value, an angular frequency, a capacitance value and a voltage value, the data monitoring module transmits the data information to the data sorting module, the data sorting module receives the data information transmitted by the data monitoring module and marks the data information, and the specific marking process is as follows:
the method comprises the following steps: the data sorting module automatically extracts a capacitance capacitive reactance value in the data information, and marks the capacitance capacitive reactance value as Dki, i =1.. n;
step two: the data sorting module automatically extracts angular frequency in the data information, and marks the angular frequency as Jpi, i =1.. n;
step three: the data sorting module automatically extracts the frequency in the data information, and marks the frequency as Pi, i =1.. n;
step four: the data sorting module automatically extracts a capacitance value in the data information, and the capacitance value is marked as Dri, i =1.. n;
step five: the data sorting module automatically extracts voltage values in the data information, and marks the voltage values as Dyi, i =1.. n;
the data analysis module receives the data information transmitted by the database and analyzes the data information to obtain the data information Dli = Dyi/Dki;
the data analysis module transmits the applicable current and the applicable voltage transmitted by the database to the comparison unit, the data analysis module transmits the calculated current and the detected real-time voltage to the comparison unit, the comparison unit receives the calculation result, the real-time detected voltage value, the applicable current and the applicable voltage transmitted by the data analysis module and compares the calculation result and the real-time detected voltage value with the applicable current and the applicable voltage, and the specific comparison process is as follows:
the method comprises the following steps: the comparison unit compares the current value calculated by the data analysis module and the voltage value detected in real time with the applicable current value and the applicable voltage value respectively, and judges the calculation result according to the comparison result, wherein the specific judgment process is as follows:
s1: respectively marking the applicable current value and the applicable voltage value as M, N, and comparing the current value calculated by the data analysis module and the voltage value detected in real time with the applicable current value and the applicable voltage value;
s2: when M = Dli and N = Dri, the current value and the voltage value are determined to be consistent with the applicable current value and the applicable voltage, and no danger exists;
s3: when M is not equal to Dli and N is not equal to Dri, judging that the current value and the voltage value are not consistent with the applicable current value and the applicable voltage, and sending a signal to an alarm unit if a danger exists;
the intelligent device transmits a control signal to the controller, the controller calls the comparison result and the data of the comparison unit and transmits the comparison result and the data to the safety evaluation module, and the safety evaluation module receives the comparison result and the data transmitted by the controller, compares the comparison result and the data and carries out safety evaluation to judge the safety of the current;
the display screen is used for displaying the evaluation result of the safety evaluation module.
2. The system for suppressing and managing overvoltage according to claim 1, wherein the data analysis module receives and analyzes the data information transmitted by the database and the data sorting module, and the specific analysis process is as follows:
the method comprises the following steps: the data analysis module extracts capacitance value, frequency, angular frequency and capacitance capacitive reactance marked by the data sorting module, and brings the capacitance value, frequency, angular frequency and capacitance capacitive reactance into a calculation formula of the capacitance capacitive reactance, wherein the calculation formula is as follows: dki = 1/(Jpi × Dri) = 1/(2 × Pi × Dri);
step two: the data analysis module extracts the voltage value marked by the data sorting module and brings the voltage value and the calculation result of the capacitive reactance in the step one into a calculation formula to obtain the value of the real-time current, and the calculation formula is as follows: dli = Dyi/Dki.
3. The system for suppressing and managing overvoltage according to claim 1, wherein the safety evaluation module receives the comparison result and the data transmitted by the controller and compares the comparison result and the data to perform safety evaluation, and the specific evaluation process is as follows:
the method comprises the following steps: setting a difference value Q between the applicable current value and the calculated current value, and simultaneously setting a difference value range T;
step two: comparing the current value calculated by the data analysis module with the applicable current value, and substituting the applicable current value and the calculated current value into a formula Q = M-Dli;
step three: and D, judging according to the difference value Q in the step two:
s1: when Q is greater than 0, the actual current is judged to be larger than the applicable current, then the maximum value of Q and T is compared, when Q is less than the maximum value of T, the current is judged to still be in the safety range, when Q is greater than the maximum value of T, the current is judged to be beyond the safety range, the safety evaluation module sends a signal to the execution module, and the execution module changes the resistance;
s2: when Q <0, the actual current is judged to be smaller than the applicable current, then the minimum value of Q and T is compared, when Q > the minimum value of T, the current is judged to still be in the safety range, when Q < the minimum value of T, the current is judged to be out of the safety range, the safety evaluation module sends a signal to the execution module, and the execution module changes the resistance.
4. The overvoltage suppression management system according to claim 1, wherein the data monitoring module is communicatively coupled to the data organizing module, the data organizing module is communicatively coupled to the controller, the controller is communicatively coupled to the database, the display screen is communicatively coupled to the controller, the data analyzing module is communicatively coupled to the controller, the comparing unit is communicatively coupled to the data analyzing module, the alarm unit is communicatively coupled to the comparing unit, the smart device is communicatively coupled to the alarm unit, the security evaluating module is communicatively coupled to the controller, and the executing module is communicatively coupled to the security evaluating module.
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| JP2017022881A (en) * | 2015-07-10 | 2017-01-26 | 株式会社豊田自動織機 | Overvoltage detecting device and overvoltage detecting method |
| CN105954624A (en) * | 2016-06-17 | 2016-09-21 | 丰郅(上海)新能源科技有限公司 | Detection device |
| CN106771521A (en) * | 2016-12-15 | 2017-05-31 | 重庆大学 | A kind of substation equipment overvoltage aggregation of data acquisition system and method |
| CN107390007A (en) * | 2017-07-01 | 2017-11-24 | 合肥东玖电气有限公司 | One kind can hold greatly overvoltage protection device |
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