基于超导脉冲变压器的脉冲电源不同限压方法

顾君鹏; 李海涛; 王义勇; 乔廷立; 密善辉; 马宁泽

doi:10.11884/HPLPB202537.240355

基于超导脉冲变压器的脉冲电源不同限压方法

doi: 10.11884/HPLPB202537.240355

1.
山东理工大学电气与电子工程学院，山东淄博 255020
2.
山东山博电机集团有限公司，山东淄博 255200

基金项目: 国家自然科学基金项目(52477012)

详细信息

作者简介:
顾君鹏，848210675@qq.com

通讯作者:
李海涛，lihaitao840812@163.com。

中图分类号: TM89
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- 文章访问数: 116
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- 被引次数: 0
出版历程
- 收稿日期: 2024-10-11
- 修回日期: 2025-01-26
- 录用日期: 2025-01-26
- 网络出版日期: 2025-02-26
- 刊出日期: 2025-03-15

Different voltage limiting methods of pulse power supply based on superconducting pulse transformer

1.
School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255020, China
2.
Shandong Shanbo Motor Group Co., Ltd., Zibo 255200, China

摘要

摘要: 电感储能是脉冲功率技术的主要储能方式之一，而断路开关的限压问题是其固有难题。为了探究超导脉冲电源的限压方法，介绍了ZnO压敏电阻限压和脉冲电容器限压两种传统限压方式，提出联合脉冲电容器和压敏电阻以限制断路开关电压。分析了三种限压方式下超导脉冲电源的工作原理，基于同一超导脉冲变压器参数进行仿真，并分别分析了不同限压参数下的输出特性，对比分析了不同限压方法之间的输出特性差异。针对联合限压方式，为验证其限压性能，搭建了小型实验平台进行验证性实验。仿真和实验结果表明，联合限压方式比压敏电阻限压传输效率高，关断性能好；比脉冲电容限压放电速度快，电压幅值低。
- 脉冲电源 /
- 电感储能 /
- 超导变压器 /
- ZnO压敏电阻 /
- 联合限压
Abstract: Inductive energy storage is one of the main energy storage methods of pulse power technology, and the problem of limiting voltage of open circuit switch is its inherent problem. To explore the voltage limiting method of superconducting pulse power supply, this paper introduces two traditional voltage limiting methods, namely ZnO varistor voltage limiting and pulse capacitor voltage limiting, and puts forward the combination of pulse capacitor and varistor to limit the open switching voltage. The working principle of superconducting pulse power supply under three voltage limiting modes is analyzed, and the output characteristics under different voltage limiting parameters are simulated based on the same superconducting pulse transformer parameters. Aiming at the combined voltage limiting mode, a small experimental platform was built to verify the voltage limiting performance of the device. Simulation and experimental results show that the combined voltage limiting mode has higher transmission efficiency and better turn-off performance than varistor, and it has faster discharge and lower voltage amplitude than pulse capacitance limiting mode.
- pulsed power supply /
- inductive energy storage /
- superconducting transformer /
- ZnO resistor /
- combined voltage limiting mode

HTML全文

图 1 基于ZnO压敏电阻限压的脉冲电源电路

Figure 1. Pulsed power supply circuit based on ZnO varistor limiting voltage

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图 2 基于电容限压的脉冲电源电路

Figure 2. Pulsed power supply circuit based on capacitance limiting voltage

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图 3 压敏电阻和电容相联合限压的脉冲电源电路

Figure 3. Pulsed power supply circuit with voltage limiting combination of varistor and capacitor

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图 4 压敏电阻限压仿真结果

Figure 4. Simulation results of varistor voltage limiting

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图 5 电容限压仿真结果

Figure 5. Simulation results of capacitance voltage limiting

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图 6 联合限压仿真结果

Figure 6. Simulation results of combination voltage limiting

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图 7 用于原理验证的小型实验电路

Figure 7. Small experimental circuit platform for principle verification

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图 8 联合限压电路实验波形

Figure 8. Experimental waveform of combination voltage limiting

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表 1 超导脉冲变压器参数

Table 1. Parameters of the superconducting pulsed transformer

primary inductance/mH	secondary inductance/μH	coupling coefficient	primary resistance/mΩ	secondary resistance/mΩ	coil critical current/kA
6.21	60.91	0.974	1	2	2.2

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表 2 不同压敏电阻限压的仿真结果比较

Table 2. Comparison of simulation results of voltage limiting by different varistors

U_T/kV	α	I_2m/kA	T₁/ms	U_1m/kV	η/%	I_r/kA
1	0.03	17.62	1.21	1.49	54.91	1.45
2	0.02	19.10	0.88	2.61	60.78	1.41
2	0.03	19.19	0.74	2.94	61.30	1.40
2	0.04	19.27	0.72	3.08	61.53	1.39
3	0.03	19.51	0.47	4.39	62.56	1.38
4	0.03	19.64	0.33	5.83	62.92	1.37

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表 3 不同电容限压的仿真结果比较

Table 3. Comparison of simulation results of different capacitance limiting voltages

C/μF	I_2m/kA	T₁/ms	U_1m/kV	η/%	I_r/kA
100	19.67	0.48	6.28	77.11	1.65
250	19.46	0.77	4.07	76.85	1.67
500	19.22	1.15	2.95	76.33	1.71
750	18.97	1.43	2.46	75.77	1.73
1000	18.78	1.69	2.17	75.24	1.75

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表 4 不同联合限压的仿真结果比较

Table 4. Comparison of simulation results of different combination limiting voltages

C/μF	U_T/kV	I_2m/kA	T₁/ms	U_1m/kV	η/%	Ir/kA
100	1	17.63	1.16	1.41	52.00	1.46
100	2	19.24	0.84	2.84	60.24	1.47
100	3	19.53	0.58	4.25	64.38	1.50
250	2	19.21	0.94	2.83	63.24	1.55
750	2	18.98	1.42	2.46	70.09	1.69

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表 5 三种电路限压的仿真结果比较

Table 5. Comparison of simulation results of three voltage limiting circuits

	I_2m/kA	T₁/ms	U_1m/kV	η/%	I_r/kA
varistor voltage limiting	19.19	0.74	2.94	61.30	1.40
capacitance voltage limiting	19.22	1.15	2.95	76.33	1.71
combination voltage limiting	19.21	0.94	2.83	63.24	1.55

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表 6 超导脉冲变压器参数

Table 6. Parameters of the superconducting pulsed transformer

primary inductance/mH	secondary inductance/μH	coupling coefficient	primary resistance/mΩ	secondary resistance/mΩ	coil critical current/A
6.45	34.18	0.96	1.4	2.2	110

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表 7 不同联合限压电路参数的实验结果比较

Table 7. Comparison of experimental results of different parameters of combination voltage limiting circuits

C/μF	U_T/V	I_2m/A	T₁/ms	U_1m/V	η/%	I_r/A
15	250	1210	0.31	355	58.96	42
15	300	1224	0.23	421	63.00	47
15	400	1280	0.19	479	71.66	51
25	250	1223	0.32	346	70.43	54
100	250	1270	0.51	300	82.53	60
100	/	1275	0.52	300	84.05	60

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