Each step shall take at least 20 s.P34 电网保护(Grid Protection) 高频保护Over frequency Protectionf:保持额定电压,每次以0.1Hz的幅度从额定频率开始逐次增大供电over 频率直至风机切除。
基于24个网页-相关网页
grid protection scheme 电网保护规划
dynamic brake grid protection 动力制动栅极保护
microphone protection grid [电子] 传声器保护罩
Recovery grid-connected protection 恢复并网保护
pit protection grid 底坑护栏 ; [建] 底坑护栅
protection device for grid 电网保护装置
grid connecting-point protection 并网处保护
grid end protection 末级保护
protection grid 防护格栅
Repairing roads, Bridges, the electricity grid and other infrastructure (including flood protection) will be costly, but should at least boost the economy later.
修路,修桥,恢复电力和其他基础设施(包括防洪设施)的开销都十分巨大,但至少它们日后会促进经济增长。
Finally, the impact of series resonant current limiter on relay protection and over voltage in grid was explored.
最后探讨了串联谐振式限流器对继电保护和电网过电压的影响。
Goalkeepers use protective padding on the torso and shouldersand gloves with forearm protection, as well as a helmet with either a grid or a mask made of unbreakable transparent material.
守门员在躯干和肩膀上使用保护垫,并且带有手套用于前臂的保护,由不易破损的透明材料做成网格或者面具头盔。
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