The engines to be rated at 0,87kWe/kW at 720 rpm，什么意思？

fzhrxy · 发表于 2007-10-29 09:48

Three diesel generator sets to be arranged. The engines to be rated at 0,87kWe/kW at 720 rpm, and to be a four stroke cycle, single acting, trunk piston type with turbo charging.

timchoise · 发表于 2007-10-31 09:50

kWe/kW是有功功率和视在功率的比，这个比值即功率因数。通常我们记为cosΦ。

The engines to be rated at 0,87kWe/kW at 720 rpm－－－－发动机额定功率时，功率因数为0.87，转速为每分钟7200转