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发表于 2013-6-7 17:00
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来自: 中国广东深圳
请查ABS规范:
Part 4 Vessel Systems and Machinery
Chapter 8 Electrical Systems
Section 3 Electrical Equipment
1.9 Voltage and Frequency Variations (2008)
Voltage and Frequency Variations
for AC Distribution Systems
Quantity in Operation Permanent Variation Transient Variation(Recovery Time)
Frequency ±5% ±10% (5 s)
因此,突加、突卸时,瞬时变化是5秒内,频率变化范围允许±10%。稳定后的频率应在±5%内。
will you congratulation for me that I will back working next, and it will not so many time to discuss technical question with everyone then.
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