无功功率转换器
精确且轻松地将反应功率在不同单位之间进行转换
无功功率转换
换算结果
All Units
无功功率 单位 比较
关于无功功率
Reactive power is the component of electrical power that oscillates between the source and the load without being converted into useful work. It is measured in volt-amperes reactive (var) and is essential for maintaining the voltage levels required for proper operation of electrical equipment.
在交流电路中,无功功率是由感应或电容负载引起的,例如电机、变压器和电容器。它是电力系统设计和运行中的一个重要考虑因素,以确保高效和可靠的性能。
常用单位
- Volt-Ampere Reactive (var)- 无功功率
- Milli Volt-Ampere Reactive (mvar)- One thousandth of a var (1 mvar = 0.001 var)
- Kilo Volt-Ampere Reactive (kvar)- One thousand vars (1 kvar = 1000 var)
- Mega Volt-Ampere Reactive (Mvar)- One million vars (1 Mvar = 1000000 var)
- Giga Volt-Ampere Reactive (Gvar)- One billion vars (1 Gvar = 1000000000 var)
常用
无功功率转换在电气工程和电力系统的各个领域都是必不可少的。以下是需要无功功率转换的一些常见情况:
电力系统
在电力系统中,管理无功功率以将电压电平保持在可接受的范围内。变流器用于在不同机组之间转换无功功率,以进行分析和规划。
功率因数校正
无功功率会导致电气系统效率低下。功率因数校正装置,如电容器和电抗器,用于调整无功功率并提高功率因数。
电气设备额定值
Electrical equipment, such as transformers and generators, is often rated in terms of both active power (watts) and reactive power (vars). Converting between different reactive power units helps in equipment selection and sizing.
转换历史
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