Smear phenomenon: left va, right ips Applicable scenarios: mid-to-high-end commercial LCD monitors, text office Recommended cost-effective va monitors: tn panel tn panel, full name twisted nematic (twisted nematic) panel, due to low production costs, tn has become. W (watt) = va (volt-ampere) × cosφ (cosφ is the power factor) va (volt-ampere) = w (watt)/cosφ Extended information: Development history of watts: Watt is named after the British scientist James Watt, who made contributions to the development of steam engines. Va is the unit of apparent power of electrical appliances, because v is the unit of voltage and a is the unit of current. According to p=ui, va is the unit of power. The reason why it is not written as w (Watt, which is also a unit of power and the SI unit of power) is because.
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Va is the apparent power, w is the actual power~! w<va, generally the w value is 60% to 70% of the corresponding "va" value. 1. For small capacities, we are more familiar with the concept of watts (w), so small capacities generally use "w" to represent capacity. 2. For more than 1 kilowatt hour, use "va".
