IEC 61000-3-11:2017
Electromagnetic compatibility (EMC) - Part 3-11: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems - Equipment with rated current ≤ 75 A and subject to conditional connection
发布时间:2017-04-21 实施时间:


IEC 61000-3-11:2017标准是电磁兼容性领域的重要标准之一,主要针对公共低压供电系统中额定电流不超过75A且需要条件连接的设备,限制电压变化、电压波动和闪烁。该标准的目的是确保设备在公共低压供电系统中的正常运行,同时保证设备对供电系统的影响最小化。

该标准规定了公共低压供电系统中电压变化、电压波动和闪烁的限制值,以及测试方法和测量设备的要求。其中,电压变化是指电压在短时间内发生较大变化,可能会导致设备故障或误操作;电压波动是指电压在较长时间内发生周期性变化,可能会影响设备的正常工作;闪烁是指光源在电压变化或波动的影响下出现明显的亮度变化,可能会影响人眼的视觉感受。

该标准适用于各种类型的设备,包括家用电器、工业设备、计算机和通信设备等。对于需要条件连接的设备,该标准还规定了设备应满足的条件,以确保设备在连接到公共低压供电系统时不会对系统造成不良影响。

为了确保设备符合该标准的要求,需要进行相应的测试和测量。测试应在公共低压供电系统中进行,测试设备应满足该标准的要求。测试结果应记录并进行评估,以确定设备是否符合该标准的要求。

总之,IEC 61000-3-11:2017标准是电磁兼容性领域的重要标准之一,主要针对公共低压供电系统中额定电流不超过75A且需要条件连接的设备,限制电压变化、电压波动和闪烁。该标准的实施可以保证设备在公共低压供电系统中的正常运行,同时保证设备对供电系统的影响最小化。

相关标准
- IEC 61000-3-2:2018 Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16 A per phase)
- IEC 61000-3-3:2013 Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤16 A per phase and not subject to conditional connection
- IEC 61000-3-4:2018 Electromagnetic compatibility (EMC) - Part 3-4: Limits - Limitation of emission of harmonic currents in low-voltage power supply systems for equipment with rated current ≤75 A
- IEC 61000-3-6:2013 Electromagnetic compatibility (EMC) - Part 3-6: Limits - Assessment of emission limits for distorting loads in MV and HV power systems
- IEC 61000-3-7:2019 Electromagnetic compatibility (EMC) - Part 3-7: Limits - Assessment of emission limits for the connection of unbalanced installations to MV, HV and EHV power systems