额定功耗是指设备或在正常工作状态下所消耗的电力或能量。它是指设备或所能承受的最大功率，也是其设计时所规定的工作范围内的功耗。

How to pronounce: [ér dìng gōng háo]

Usage:

额定功耗通常用于描述电子设备、机械设备、发动机等的能耗情况。它可以帮助用户了解设备或在正常使用时所需要消耗的电力，从而选择合适的电源和配套设备。

Example sentences:

1. The rated power consumption of this air conditioner is 1000 watts.

这台空调的额定功耗为1000瓦。

2. The rated power consumption of this engine is 50 horsepower.

这台发动机的额定功耗为50马力。

3. Please make sure the power supply can support the rated power consumption of the machine.

请确保电源能够支持机器的额定功耗。

4. The rated power consumption of this lap is much lower than other models.

这款笔记本电脑的额定功耗比其他型号要低得多。

5. The manufacturer has reduced the rated power consumption of this product by 20%.

制造商已将该产品的额定功耗减少了20%。

Synonyms and usage:

- Nominal power consumption: This term can be used interchangeably with rated power consumption, as they both refer to the same concept.

- Maximum power consumption: This term refers to the highest power consumption that a device or system can reach under certain conditions.

- Power rating: This term is often used in reference to the maximum power output of a device, but it can also be used to describe rated power consumption.

- Energy usage: This term is more general and can refer to the overall energy consumption of a device or system, including both rated and non-rated usage.

Editor's summary:

额定功耗是指设备或在正常工作状态下所消耗的电力或能量。它可以帮助用户了解设备或的能耗情况，并选择合适的电源和配套设备。同义词包括nominal power consumption、maximum power consumption、power rating和energy usage。