Analysis of Main Differences Between Chinese Naval Ship and Civil Frame-Type Low-Voltage Circuit Breaker Standards

doi:10.16628/j.cnki.2095-8188.2025.09.011

Abstract

Abstract:

By adopting a comparative analysis method, focusing on technical parameters and performance indicators, a detailed comparison is conducted to address the frame-type circuit breakers differences in technical requirements between GJB 370B—2020 General Specifications for Frame-Type Low-Voltage Circuit Breakers for Ships and GB/T 14048.2—2020 Low-Voltage Switchgear and Controlgear-Part 2: Circuit Breakers. The results show that the technical requirements of the marine standard are significantly higher overall than those of the civilian standard.This study reveals the essential differences between military and civilian frame-type circuit breaker standards, and provides reference value for promoting the technological progress of marine electrical equipment.

Key words: frame-type circuit breaker, marine circuit breaker, civilian circuit breaker, standard differences

CLC Number:

TM561

ZHANG Yuanshen, WAN Xiangjun, ZHAO Yongwu. Analysis of Main Differences Between Chinese Naval Ship and Civil Frame-Type Low-Voltage Circuit Breaker Standards[J]. LOW VOLTAGE APPARATUS, 2025, 0(9): 78-84.

额定冲击耐受电压U_imp/kV	最小电气间隙/mm	额定冲击耐受电压U_imp/kV	最小电气间隙/mm
0.33	0.8	4.00	3.0
0.50	0.8	6.00	5.5
0.80	0.8	8.00	8.0
1.50	0.8	12.00	14.0
2.50	1.5

额定绝缘电压或工作电压(交流有效值或直流)/V	最小爬电距离/mm	额定绝缘电压或工作电压(交流有效值或直流)/V
125	2.4	500	8.0
160	2.5	630	10.0
200	3.2	800	12.5
250	4.0	1 000	16.0
320	5.0	1 250	20.0
400	6.3	1 600	25.0

电压/V	容量/VA	电气间隙/mm	爬电距离/mm
电压/V	容量/VA	电气间隙/mm	开启式	封闭式
150<U≤300	≤50	1.6	1.6	1.6
	50~2 000	3.2	6.4	3.2
	>2 000	6.4	19.1	12.7
300<U≤600	≤50	1.6	1.6	3.2
	50~2 000	3.2	6.4	6.4
	>2 000	6.4	19.1	12.7
600<U≤1 000	≤50	3.2	12.7	9.5
	50~2 000	6.4	25.4	19.1
	>2 000	12.7	50.8	38.1
1 000<U≤1 500	>2 000	25.0	80.0	50.8

部件名称	温升极限值/K
部件名称	GB/T 14048.2—2020 (周围空气最高温度不超过+40 ℃)	GJB 370B—2020 (周围空气最高温度不超过+50 ℃)
与外部连接的接线端子	80	70
可供人力操作的金属部件	25	5
可供人力操作的非金属部件	35	15

试验类型		测试条件	动作要求	特殊条款
短路脱扣器		80%整定电流	瞬时型:0.2 s内不动作定时限型:2倍标称延时内不动作	交流试验需无不对称分量直流试验时间常数<10 ms
短路脱扣器		120%整定电流	瞬时型:0.2 s内必须动作定时限型:2倍标称延时内必须动作	交流试验需无不对称分量直流试验时间常数<10 ms
过载脱扣器	定时限特性	90%整定电流	瞬时型:0.2 s内不动作定时限型:2倍标称延时内不动作	中性极试验电流×1.2 多极试验需所有相极同步通电
	定时限特性	110%整定电流	瞬时型:0.2 s内必须动作定时限型:2倍标称延时内必须动作	中性极试验电流×1.2 多极试验需所有相极同步通电
	反时限特性	1.05倍整定电流	2 h内不脱扣	中性极试验电流×1.2 电流需从1.05倍阶跃升至1.30倍
	反时限特性	1.30倍整定电流	2 h内必须脱扣	中性极试验电流×1.2 电流需从1.05倍阶跃升至1.30倍

Analysis of Main Differences Between Chinese Naval Ship and Civil Frame-Type Low-Voltage Circuit Breaker Standards

RichHTML

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

Figures/Tables 15

References 4

Related Articles 15

Recommended Articles

Metrics

Comments

保护类型	长延时特性	短延时特性	瞬时特性
发电机组保护	1.15/1.20倍电流:5~30 s±15% 反时限特性	1.20倍电流:0.12~0.42 s 反时限/定时限可选	整定值误差±20%
配电系统保护	1.05倍电流:1 h不脱扣 1.30倍电流:1 h内脱扣反时限/定时限可选	1.20倍电流:0.10~0.50 s 反时限/定时限可选	整定值误差±20%
电动机保护	1.05倍电流:1 h不脱扣 1.20倍电流:1 h内脱扣反时限特性	6.00倍电流:可返回时间>5.00 s	整定值误差±20%

主电路的额定绝缘电压U_i/V	工频耐电压(交流有效值)/V
主电路的额定绝缘电压U_i/V	GB/T 14048.1—2023 表19	GJB 370B—2020 表8
U_i≤60	1 000	1 000
60<U_i≤300	1 500	2 000
300<U_i≤690	1 890	2 500
690<U_i≤800	2 000	3 000
800<U_i≤1 000	2 200	3 500
1 000<U_i≤1 500^*	U_i+1 200 V(交流有效值) 或2U_i(二者取大值)	3 500

额定电流/A	操作频率/ (次·h^-1)	操作循环次数/次
额定电流/A	操作频率/ (次·h^-1)	通电流	不通电流	总数
I_n≤100	120	1 500	8 500	10 000
100<I_n≤315	120	1 000	7 000	8 000
315<I_n≤630	60	1 000	4 000	5 000
630<I_n≤2 500	20	500	2 500	3 000
2 500<I_n	10	500	1 500	2 000

额定电流/A	操作频率/ (次·h^-1)	操作循环次数/次
额定电流/A	操作频率/ (次·h^-1)	通电流	不通电流 (电动)	不通电流 (手动)	总数
I_n≤1 600	60	2 000	2 500	500	5 000
1 600<I_n≤2 500	30	800	1 700	500	3 000
2 500<I_n≤4 000	20	500	1 000	500	2 000
4 000<I_n≤5 500	20	500	1 000	500	2 000
5 500<I_n≤6 300	20	500	1 000	500	2 000

电源参数	变化率/%		恢复时间/s
电源参数	稳态	瞬态	恢复时间/s
电压	±10	±20	1.5
频率	±5	±10	5.0

额定绝缘电压/V	试验电压 (直流)/V	绝缘电阻/MΩ
额定绝缘电压/V	试验电压 (直流)/V	湿热试验前	湿热试验后
U_i≤60	2U_i(≥24)	10	1
U_i>60	500	100	10

试验项目	参考标准	试验电平
静电放电	GB/T 17626.2	6 kV接触放电 8 kV空气放电
射频电磁场辐射	GB/T 17626.3	10 V/m(80 MHz~1 GHz) 3 V/m(1.4~6.0 GHz)
电快速瞬变/ 脉冲群	GB/T 17626.4	电源端口: U_e≥100 V,a.c或d.c:4 kV 5 kHz或100 kHz U_e<100 V,a.c或d.c:2 kV 5 kHz或100 kHz 信号端口:2 kV 5 kHz或100 kHz
浪涌	GB/T 17626.5	电源端口,U_e≥100 V a.c.: 4 kV 线—地电源端口,U_e<100 V a.c.: 2 kV 线—地 1 kV 线—线电源端口,d.c.: 1 kV 线—地 0.5 kV 线—线信号端口: 2 kV 线—地 1 kV 线—线
射频场感应的传导骚扰	GB/T 17626.6	电源端口a.c/d.c: 10 V(150 kHz~80 MHz) 信号端口: 10 V(150 kHz~80 MHz)

试验项目	参考标准	限制
射频传导骚扰 150 kHz~30 MHz	GB 4824 CISPR 32	第一组A级或B级
射频辐射骚扰 30~1 000 MHz	GB 4824 CISPR 32	第一组A级或B级

项目	名称	频段范围
CE101	电源线传导发射	25 Hz~10 kHz
CE102	电源线传导发射	10 kHz~10 MHz
CS101	电源线传导敏感度	25 Hz~150 kHz
CS106	电源线尖峰信号传导敏感度	—
CS114	电缆束注入传导敏感度	4 kHz~400 MHz
CS116	电缆和电源线阻尼正弦瞬态传导敏感度	10 kHz~100 MHz
RE101	磁场辐射发射	25 Hz~100 kHz
RE102	电场辐射发射	10 kHz~18 GHz
RS101	磁场辐射敏感度	25 Hz~100 kHz
RS103	电场辐射敏感度	10 kHz~18 GHz

[1]	国家市场监督管理总局, 国家标准化管理委员会. 低压开关设备和控制设备第2部分:断路器:GB/T 14048.2—2020[S]. 北京: 中国标准出版社, 2020.
[2]	中央军委装备发展部. 舰船用框架式低压断路器通用规范:GJB 370B—2020[S]. 北京: 国家军用标准出版发行部, 2020.
[3]	国家市场监督管理总局, 国家标准化管理委员会.低压开关设备和控制设备第1部分:总则:GB/T 14048.1—2023[S]. 北京: 中国标准出版社, 2023.
[4]	中国人民解放军总装备部. 军用设备和分系统电磁发射和敏感度要求与测量:GJB 151B—2013[S]. 北京: 总装备部军标出版发行部, 2013.

额定绝缘电压U_i/V	工频耐电压(交流有效值)/V
U_i≤60	1 000
60<U_i	2U_i+1 000(≥1 500)

[1]	CHEN Tao, WANG BeiBei. Simulation and Experimental Analysis of Seismic Performance for Medium Voltage Vacuum Circuit Breakers [J]. LOW VOLTAGE APPARATUS, 2025, 0(8): 45-51.
[2]	YANG Chenxi, JIA Shenli, HUANG Xiaolong, SHEN Saikang. Mechanism Analysis of Low Voltage DC Circuit Breaker Based on Parallel Capacitor [J]. LOW VOLTAGE APPARATUS, 2025, 0(8): 9-16.
[3]	LI Xinyu, YIN Jianqiang, SHAO Jianguo, BAO Guanghai. Design of Current Transformer for Intelligent Molded Case Circuit Breaker [J]. LOW VOLTAGE APPARATUS, 2025, 0(7): 30-38.
[4]	LIU Haibin, XIANG Xiaoqing, ZHOU Mingming. Contact Failure Analysis and Optimization Design of Molded Case Circuit Breaker [J]. LOW VOLTAGE APPARATUS, 2025, 0(7): 44-48.
[5]	LIU Yu, Mohmmad AL-DWEIKAT, ZHANG Guogang. Research on Fast DC Interruption Technology Based on Piezoelectric Actuator [J]. LOW VOLTAGE APPARATUS, 2025, 0(6): 1-6.
[6]	LI Xiankai, XU Jiangning. Design and Simulation Analysis of Undervoltage Release for MCCB [J]. LOW VOLTAGE APPARATUS, 2025, 0(6): 51-55.
[7]	YU Yinbo, ZOU Hairong, JIANG Guping. Analysis on Critical Current Test of Circuit Breaker Based on Narrow Gap and Large Contact Gap Technology [J]. LOW VOLTAGE APPARATUS, 2025, 0(4): 60-65.
[8]	WANG Zhigang, ZHOU Liu, ZHOU Chunlong. Optimization and Design Improvements of Marine High Capacity Direct Current Circuit Breakers [J]. LOW VOLTAGE APPARATUS, 2025, 0(4): 41-46.
[9]	CHEN Shizhe, WANG Zhoujing, SHI Yuying, MOU Yuze, LI Xingwen. Study on Motion Characteristics of Multiple Valves During Breaking Process of Large-Capacity Self-Blast Circuit Breaker [J]. LOW VOLTAGE APPARATUS, 2025, 0(3): 1-5.
[10]	WANG Huazhang, DU Tianwa, GAO Jincai, LI Bingquan, ZHANG Chuncheng. Study on Short-Circuit Breaking Technology for Residual Current Operated Circuit Breaker in JP Cabinet [J]. LOW VOLTAGE APPARATUS, 2025, 0(3): 64-69.
[11]	GAO Jingbo. Balance Optimization Design of Double-Break Moulded Case Circuit Breaker Contact System [J]. LOW VOLTAGE APPARATUS, 2025, 0(2): 41-46.
[12]	ZHAO Ying, JIA Chenxi, HAN Yingshuang. Study on Factors Influencing Mechanical Characteristics of Magnetically Controlled Vacuum Circuit Breaker [J]. LOW VOLTAGE APPARATUS, 2025, 0(1): 33-38.
[13]	WU Hao, MA Ziwen, WU Xuan. Design and Characteristic Simulation Analysis of Electromagnetic Tripper for Medium Voltage DC Circuit Breaker [J]. LOW VOLTAGE APPARATUS, 2025, 0(1): 45-49.
[14]	XU Jianing, YANG Haowen, GAO Caizhi, CHEN Silei, LI Xingwen. Life Prediction Method of Low Voltage Circuit Breaker Based on Arc Energy Estimation [J]. LOW VOLTAGE APPARATUS, 2025, 0(1): 6-13.
[15]	YANG Nuoming, WU Ziran, LIU Zezhou, WU Chenxi, WU Guichu, LIN Yigang. Electrical Life Prediction Method of DC Circuit Breaker Based on Residual Network Regression [J]. LOW VOLTAGE APPARATUS, 2024, 0(10): 7-18.