Large-current inductance test system

Abstract

The utility model relates to a large-current inductance test system, which belongs to the technical field of high-voltage pulse power and comprises an energy storage capacitor unit electrically connected with an inductance protection unit and used for acquiring high-voltage electricity and enabling internal breakdown of a capacitor of the energy storage capacitor unit based on the high-voltage electricity so as to generate large current, and the inductance protection unit electrically connected with a thyristor switch and used for protecting the thyristor switch. The energy storage capacitor unit is used for absorbing energy released by the energy storage capacitor unit when the energy storage capacitor unit generates large current, the thyristor switch is electrically connected with the inductor to be tested, and the terminal is electrically connected with the thyristor switch. According to the utility model, the energy storage capacitor unit and the protection inductor unit are used to simulate a real environment when a large-current special inductor breaks down and has a short-circuit fault in a connected energy storage capacitor, and the performance of the inductor is tested and evaluated, so that the stability and reliability of the inductor under an extreme working condition are detected, and the danger degree of the fault is predicted; and the operation safety of energy equipment is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure pulse power technical field especially relates to a big current inductance test system. BACKGROUND

[0002] In the energy module in the field of pulse power, the inductor has the effect of limiting the great current generated by the internal short circuit of the capacitor. When the capacitor is internally broken down, the inductor absorbs the energy of other parallel capacitor groups flowing back, thereby ensuring the safe operation of the energy module. The existing large current test technology cannot meet the actual environment of the inductor under such working conditions, so the safety of the inductor under fault state cannot be tested. Therefore, there is a lack of a large current inductance test system in the prior art, which leads to the technical problems that the actual environment of the inductor under extreme working conditions cannot be simulated, and the safety of the inductor under fault state cannot be tested. SUMMARY

[0003] Therefore, it is necessary to provide a large current inductance test system to solve the technical problems that there is a lack of a large current inductance test system in the prior art, which leads to the actual environment of the inductor under extreme working conditions cannot be simulated, and the safety of the inductor under fault state cannot be tested.

[0004] In order to achieve the above purpose, the utility model provides a large current inductance test system, which comprises:

[0005] The energy storage capacitor unit is electrically connected with the protection inductor unit, and is used to obtain high voltage electricity, and based on the high voltage electricity, the internal capacitor of the energy storage capacitor unit is broken down to generate a large current;

[0006] The protection inductor unit is electrically connected with the thyristor switch, and is used to absorb the energy released by the energy storage capacitor unit when the energy storage capacitor unit generates a large current;

[0007] The thyristor switch is electrically connected with the measured inductor;

[0008] The terminal is electrically connected with the thyristor switch.

[0009] In a possible implementation manner, the system further comprises:

[0010] The high-voltage charging power supply is electrically connected with the terminal at one end, and is electrically connected with the energy storage capacitor unit at the other end.

[0011] In a possible implementation manner, the system further comprises:

[0012] The current recording CT unit is communicatively connected with the terminal at one end, and is electrically connected with the measured inductor at the other end.

[0013] In a possible implementation form,

[0014] One end of the high-voltage charging power supply is grounded.

[0015] In a possible implementation form,

[0016] One end of the energy storage capacitor unit, the protection inductance unit, the thyristor switch and the measured inductor is grounded.

[0017] In a possible implementation form, the energy storage capacitor unit comprises:

[0018] The first capacitor is electrically connected with the second capacitor, the third capacitor, the fourth capacitor, the fifth capacitor, the sixth capacitor, the seventh capacitor, the eighth capacitor, the ninth capacitor and the tenth capacitor.

[0019] In a possible implementation form, the protection inductance unit comprises:

[0020] The first inductor, the second inductor, the third inductor, the fourth inductor, the fifth inductor, the sixth inductor, the seventh inductor, the eighth inductor, the ninth inductor and the tenth inductor;

[0021] One end of the first inductor is electrically connected with the first capacitor;

[0022] One end of the second inductor is electrically connected with the second capacitor;

[0023] One end of the third inductor is electrically connected with the third capacitor;

[0024] One end of the fourth inductor is electrically connected with the fourth capacitor;

[0025] One end of the fifth inductor is electrically connected with the fifth capacitor;

[0026] One end of the sixth inductor is electrically connected with the sixth capacitor;

[0027] One end of the seventh inductor is electrically connected with the seventh capacitor;

[0028] One end of the eighth inductor is electrically connected with the eighth capacitor;

[0029] One end of the ninth inductor is electrically connected with the ninth capacitor;

[0030] One end of the tenth inductor is electrically connected with the tenth inductor.

[0031] In a possible implementation form, the protection inductance unit further comprises:

[0032] The first resistor, the second resistor, the third resistor, the fourth resistor, the fifth resistor, the sixth resistor, the seventh resistor, the eighth resistor, the ninth resistor and the tenth resistor;

[0033] Another end of the first inductor is electrically connected with the first resistor;

[0034] Another end of the second inductor is electrically connected with the second resistor;

[0035] Another end of the third inductor is electrically connected with the third resistor;

[0036] Another end of the fourth inductor is electrically connected with the fourth resistor;

[0037] Another end of the fifth inductor is electrically connected with the fifth resistor;

[0038] Another end of the sixth inductor is electrically connected with the sixth resistor;

[0039] Another end of the seventh inductor is electrically connected with the seventh resistor;

[0040] Another end of the eighth inductor is electrically connected with the eighth resistor;

[0041] Another end of the ninth inductor is electrically connected with the ninth resistor;

[0042] Another end of the tenth inductor is electrically connected with the tenth resistor.

[0043] In a possible implementation manner, the measured inductor comprises:

[0044] An eleventh inductor, one end of the eleventh inductor is electrically connected with the first resistor, the second resistor, the third resistor, the fourth resistor, the fifth resistor, the sixth resistor, the seventh resistor, the eighth resistor, the ninth resistor and the tenth resistor.

[0045] In a possible implementation manner, the measured inductor further comprises:

[0046] An eleventh resistor, the eleventh resistor is electrically connected with the eleventh inductor.

[0047] The utility model provides a kind of high current inductance test system, comprising: energy storage capacitor unit, with protection inductance unit electric connection, for obtaining high voltage, based on high voltage makes the capacitor inside breakdown of itself to generate high current;Protection inductance unit, with thyristor switch electric connection, for when energy storage capacitor unit generates high current, absorb the energy released by energy storage capacitor unit;Thyristor switch, with the inductor to be measured electric connection;Terminal, with thyristor switch electric connection.The utility model simulates the real environment when the high current special inductor in connected energy storage capacitor breaks down short-circuit fault by energy storage capacitor unit and protection inductance unit, the performance of inductor is tested and evaluated, to detect the stability and reliability of inductor under extreme working condition, predict the danger degree of such failure, guarantee the operation safety of energy equipment.The utility model can generate 320kA above pulse current, for the current-carrying capacity of various inductors under extreme working condition is tested, ensure that inductor is stable and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0048] Figure 1 It is the structure diagram of the utility model high current inductance test system;

[0049] Figure 2 It is the circuit diagram of the utility model high current inductance test system. DETAILED DESCRIPTION

[0050] The preferred embodiments of the utility model are specifically described below in conjunction with the drawings, wherein the drawings constitute a part of the present application, and are used together with the embodiments of the utility model to explain the principles of the utility model, and are not used to limit the scope of the utility model.

[0051] Figure 1 It is the structure diagram of the utility model high current inductance test system, comprising:

[0052] Energy storage capacitor unit 102, with protection inductance unit 103 electric connection, for obtaining high voltage, based on high voltage makes the capacitor inside breakdown of itself to generate high current;

[0053] Protection inductance unit 103, with thyristor switch 104 electric connection, for when energy storage capacitor unit 102 generates high current, absorb the energy released by energy storage capacitor unit 102;

[0054] Thyristor switch 104, with the inductor to be measured 105 electric connection;

[0055] Terminal 101, with thyristor switch 104 electric connection.

[0056] It can be understood that the terminal 101 controls the high-voltage charging power supply to provide the terminal 101 with electric energy with a voltage value of 0-35kV which can be selectively set, and the terminal 101 is connected with the thyristor control and the current recording CT unit respectively. The utility model simulates the real environment of the large-current special inductor in the breakdown fault state of the capacitor, tests and evaluates the performance of the inductor, thereby simulating the stability and reliability of the inductor limit current in the breakdown fault state of the capacitor, predicting the fault danger degree of the pulse power supply system, and guaranteeing the operation safety of the equipment.

[0057] It can be further understood that the terminal 101 is used for setting and controlling the voltage value of the high-voltage charging power supply, and is also responsible for the conduction control of the thyristor switch 104 and reading the current waveform collected by the current recording CT.

[0058] The energy storage capacitor unit 102 is a plurality of parallel high-voltage energy storage pulse capacitors, wherein the positive pole of the energy storage capacitor is connected with the high-voltage output end of the high-voltage charging power supply, the negative pole of the energy storage capacitor is connected with the low-voltage end of the high-voltage charging power supply and then grounded, and the positive pole of each energy storage capacitor is connected with a protection inductor;

[0059] One end of the protection inductor is connected with the positive pole of the respective capacitor in series, the other end of the protection inductor is connected with the anode of the thyristor switch 104 after being converged, the cathode of the thyristor switch 104 is connected with one end of the measured inductor 105, the trigger input interface of the thyristor switch 104 is connected with the terminal 101, and the other end of the measured inductor is connected with the negative pole of the energy storage capacitor and grounded;

[0060] The current recording CT is connected in series between the measured inductor and the negative pole of the capacitor, and the current recording output interface is connected with the terminal 101.

[0061] The trigger signal interface of the thyristor switch 104 is connected with the control board TX optical fiber port of the terminal 101.

[0062] It can be further understood that the utility model simulates the real environment of the large-current special inductor in the breakdown short-circuit fault of the connected energy storage capacitor, tests and evaluates the performance of the inductor, thereby detecting the stability and reliability of the inductor in the limit working condition, predicting the danger degree of such a fault, and guaranteeing the operation safety of the energy equipment. The inductor of the utility model has the effect of limiting the great current generated by the internal short circuit of the capacitor, and the utility model can generate a pulse current of more than 320kA. When the capacitor is broken down, the inductor absorbs the energy of other parallel capacitor groups flowing back, thereby guaranteeing the operation safety of the energy module. The existing large-current test technology cannot meet the actual environment of the inductor in such a working condition, thereby failing to test the safety of the inductor in the fault state.

[0063] Figure 2 It is a circuit diagram of the large-current inductor test system of the utility model, comprising:

[0064] The high-voltage charging power supply has one end electrically connected with the terminal 101 and the other end electrically connected with the energy storage capacitor unit 102.

[0065] It can be understood that the terminal 101 controls the high-voltage charging power supply to provide the terminal 101 with electric energy with a voltage value of 0-35kV which can be selectively set.

[0066] In some embodiments of the utility model, the system further comprises:

[0067] The current recording CT unit has one end in communication connection with the terminal 101 and the other end in electrical connection with the measured inductor 105.

[0068] It can be understood that the terminal 101 is connected with the thyristor control and the current recording CT unit respectively. The terminal 101 is responsible for the conduction control of the thyristor switch and reading the current waveform collected by the current recording CT unit. The current recording CT is connected in series between the measured inductor and the negative electrode of the capacitor, and the current recording output interface is connected with the recording wave interface of the terminal 101.

[0069] In some embodiments of the utility model,

[0070] One end of the high-voltage charging power supply is grounded.

[0071] It can be understood that the utility model simulates the real environment when the large-current special inductor is in breakdown short-circuit fault in the connected energy storage capacitor, tests and evaluates the performance of the inductor, thereby detects the stability and reliability of the inductor under the extreme working condition, predicts the danger degree of such fault, and guarantees the operation safety of the energy equipment. The inductor of the utility model has the effect of limiting the great current generated by the internal short circuit of the capacitor, and the utility model can generate a pulse current of 320kA or more. When the capacitor is broken down, the inductor absorbs the energy of other parallel capacitor groups flowing back, thereby guaranteeing the operation safety of the energy module. The existing large-current test technology cannot meet the actual environment of the inductor under such working condition, thereby cannot test the safety of the inductor under the fault state.

[0072] In some embodiments of the utility model,

[0073] One end of the energy storage capacitor unit 102, the protection inductor unit 103, the thyristor switch and the measured inductor 105 is grounded.

[0074] It can be understood that the utility model simulates the real environment when the large current special inductor is in breakdown short circuit fault inside the connected energy storage capacitor, tests and evaluates the performance of the inductor, thereby detects the stability and reliability of the inductor under the limit working condition, predicts the danger degree of such fault, guarantees the operation safety of energy equipment. The inductor of the utility model has the effect of limiting the great current generated by the internal short circuit of the capacitor, and the utility model can generate a pulse current of 320kA or more. When the capacitor is broken down, the inductor absorbs the energy of other parallel capacitor groups flowing back, thereby guaranteeing the operation safety of the energy module. The existing large current test technology cannot meet the actual environment of the inductor under such working condition, thereby cannot test the safety of the inductor under the fault state.

[0075] In some embodiments of the utility model, the energy storage capacitor unit 102 comprises:

[0076] The first capacitor is electrically connected with the second capacitor, the third capacitor, the fourth capacitor, the fifth capacitor, the sixth capacitor, the seventh capacitor, the eighth capacitor, the ninth capacitor and the tenth capacitor.

[0077] It can be understood that the energy storage capacitor unit 102 is a plurality of parallel high-voltage energy storage pulse capacitors, wherein the positive electrode of the first capacitor is connected with the high-voltage output end of the high-voltage charging power supply, and the negative electrode of the first capacitor is connected with the low-voltage end of the high-voltage charging power supply and then grounded.

[0078] In a possible implementation, the protection inductor unit 103 comprises:

[0079] The first inductor, the second inductor, the third inductor, the fourth inductor, the fifth inductor, the sixth inductor, the seventh inductor, the eighth inductor, the ninth inductor and the tenth inductor;

[0080] One end of the first inductor is electrically connected with the first capacitor;

[0081] One end of the second inductor is electrically connected with the second capacitor;

[0082] One end of the third inductor is electrically connected with the third capacitor;

[0083] One end of the fourth inductor is electrically connected with the fourth capacitor;

[0084] One end of the fifth inductor is electrically connected with the fifth capacitor;

[0085] One end of the sixth inductor is electrically connected with the sixth capacitor;

[0086] One end of the seventh inductor is electrically connected with the seventh capacitor;

[0087] One end of the eighth inductor is electrically connected with the eighth capacitor;

[0088] One end of the ninth inductor is electrically connected with the ninth capacitor;

[0089] One end of the tenth inductor is electrically connected with the tenth inductor.

[0090] It can be understood that one protection inductor is connected with each capacitor positive pole, and the other end of the protection inductor is connected with the anode of the thyristor switch after being converged. The utility model discloses a real environment when simulating the breakdown short-circuit fault of the large current special inductor in the connected energy storage capacitor, and the performance of the inductor is tested and evaluated, so that the stability and reliability of the inductor under the limit working condition are detected, the danger degree of the fault is predicted, and the operation safety of the energy equipment is ensured. The inductor of the utility model has the effect of limiting the great current generated by the internal short circuit of the capacitor, and the utility model can generate a pulse current of 320kA or more. When the capacitor is broken down, the inductor absorbs the energy of other parallel capacitor groups flowing back, so as to ensure the operation safety of the energy module. The existing large current test technology cannot meet the actual environment of the inductor under the working condition, so the safety of the inductor under the fault state cannot be tested.

[0091] In some embodiments of the utility model, the protection inductor unit 103 further includes:

[0092] The first resistance, the second resistance, the third resistance, the fourth resistance, the fifth resistance, the sixth resistance, the seventh resistance, the eighth resistance, the ninth resistance and the tenth resistance;

[0093] The other end of the first inductor is electrically connected with the first resistance;

[0094] The other end of the second inductor is electrically connected with the second resistance;

[0095] The other end of the third inductor is electrically connected with the third resistance;

[0096] The other end of the fourth inductor is electrically connected with the fourth resistance;

[0097] The other end of the fifth inductor is electrically connected with the fifth resistance;

[0098] The other end of the sixth inductor is electrically connected with the sixth resistance;

[0099] The other end of the seventh inductor is electrically connected with the seventh resistance;

[0100] The other end of the eighth inductor is electrically connected with the eighth resistance;

[0101] The other end of the ninth inductor is electrically connected with the ninth resistance;

[0102] The other end of the tenth inductor is electrically connected with the tenth resistance.

[0103] In some embodiments of the utility model, the measured inductor 105 comprises:

[0104] Eleventh resistance, eleventh resistance and eleventh inductance electric connection.

[0105] It can be understood that the thyristor switch cathode connects one end of the measured inductor 105, the thyristor switch trigger access interface connects the terminal 101, and the other end of the measured inductor 105 connects the negative pole of the energy storage capacitor unit 102 and is grounded. The utility model simulates the real environment when the large-current special inductor is short-circuited in the connected energy storage capacitor, tests and evaluates the performance of the inductor, detects the stability and reliability of the inductor under the limit working condition, predicts the danger degree of such fault, and guarantees the operation safety of energy equipment. The inductor of the utility model has the effect of limiting the great current generated by the internal short circuit of the capacitor, and the utility model can generate a pulse current of 320kA or more. When the capacitor is broken down, the inductor absorbs the energy of other parallel capacitor groups flowing back as an energy-absorbing element, thereby guaranteeing the operation safety of the energy module. The existing large-current test technology cannot meet the actual environment of the inductor under such working condition, thereby failing to test the safety of the inductor under the fault state.

[0106] In some embodiments of the utility model, the measured inductor 105 further comprises:

[0107] Eleventh resistance, eleventh resistance and eleventh inductance electric connection.

[0108] It can be understood that the utility model simulates the real environment when the large-current special inductor is short-circuited in the connected energy storage capacitor, tests and evaluates the performance of the inductor, detects the stability and reliability of the inductor under the limit working condition, predicts the danger degree of such fault, and guarantees the operation safety of energy equipment. The inductor of the utility model has the effect of limiting the great current generated by the internal short circuit of the capacitor, and the utility model can generate a pulse current of 320kA or more. When the capacitor is broken down, the inductor absorbs the energy of other parallel capacitor groups flowing back as an energy-absorbing element, thereby guaranteeing the operation safety of the energy module. The existing large-current test technology cannot meet the actual environment of the inductor under such working condition, thereby failing to test the safety of the inductor under the fault state.

[0109] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A high current inductance test system, characterized by, The system comprises: a storage capacitor unit electrically connected with the protection inductor unit, used for obtaining high voltage electricity, and making its capacitor internally break down to generate large current based on the high voltage electricity; a protection inductor unit electrically connected with the thyristor switch, used for absorbing the energy released by the storage capacitor unit when the storage capacitor unit generates large current; a thyristor switch electrically connected with the measured inductor; a terminal electrically connected with the thyristor switch.

2. The high current inductor test system of claim 1, wherein, The system further comprises: a high-voltage charging power supply, one end of the high-voltage charging power supply being electrically connected with the terminal, and the other end of the high-voltage charging power supply being electrically connected with the storage capacitor unit.

3. The high current inductor test system of claim 2, wherein, The system further comprises: a current recording CT unit, one end of the current recording CT unit being communicatively connected with the terminal, and the other end of the current recording CT unit being electrically connected with the measured inductor.

4. The large-current inductor test system according to claim 2, wherein one end of the high-voltage charging power supply is grounded.

5. The large-current inductor test system according to claim 1, wherein one end of the storage capacitor unit, the protection inductor unit, the thyristor switch and the measured inductor is grounded.

6. The high current inductor test system of claim 1, wherein, The storage capacitor unit comprises: a first capacitor electrically connected with a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor and a tenth capacitor.

7. The high current inductor test system of claim 1 or 6, wherein, The protection inductor unit comprises: a first inductor, a second inductor, a third inductor, a fourth inductor, a fifth inductor, a sixth inductor, a seventh inductor, an eighth inductor, a ninth inductor and a tenth inductor; one end of the first inductor is electrically connected with the first capacitor; one end of the second inductor is electrically connected with the second capacitor; one end of the third inductor is electrically connected with the third capacitor; one end of the fourth inductor is electrically connected with the fourth capacitor; one end of the fifth inductor is electrically connected with the fifth capacitor; one end of the sixth inductor is electrically connected with the sixth capacitor; one end of the seventh inductor is electrically connected with the seventh capacitor; one end of the eighth inductor is electrically connected with the eighth capacitor; one end of the ninth inductor is electrically connected with the ninth capacitor; one end of the tenth inductor is electrically connected with the tenth inductor.

8. The high current inductor test system of claim 7, wherein, The protection inductor unit further comprises: a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor and a tenth resistor; the other end of the first inductor is electrically connected with the first resistor; the other end of the second inductor is electrically connected with the second resistor; the other end of the third inductor is electrically connected with the third resistor; the other end of the fourth inductor is electrically connected with the fourth resistor; the other end of the fifth inductor is electrically connected with the fifth resistor; the other end of the sixth inductor is electrically connected with the sixth resistor; the other end of the seventh inductor is electrically connected with the seventh resistor; the other end of the eighth inductor is electrically connected with the eighth resistor; the other end of the ninth inductor is electrically connected with the ninth resistor; the other end of the tenth inductor is electrically connected with the tenth resistor.

9. The high current inductor test system of claim 1 or 8, wherein, The measured inductor comprises: an eleventh inductor, one end of the eleventh inductor being electrically connected with the first resistor, the second resistor, the third resistor, the fourth resistor, the fifth resistor, the sixth resistor, the seventh resistor, the eighth resistor, the ninth resistor and the tenth resistor.

10. The high current inductor test system of claim 9, wherein, The measured inductor further comprises: The eleventh resistor is electrically connected with the eleventh inductor.

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