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Energy > Reactive Power
The following information is about Reactive Power.
Reactive Power Defined
The portion of electricity that establishes and sustains the electric and magnetic fields of alternating-current equipment. Reactive power must be supplied to most types of magnetic equipment, such as motors and transformers. Reactive power is provided by generators, synchronous condensers, or electrostatic equipment such as capacitors and directly influences electric system voltage. It is a derived value equal to the vector difference between the apparent power and the real power. It is usually expressed as kilovolt-amperes reactive (kVAR) or megavolt-ampere reactive (MVAR). See Apparent Power, Power, Real Power
This definition is in context to Energy. See more contextual defintions for Reactive Power.
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Off-site Reactive Power Links, User Submitted
The following links have been collected through user bookmark submission in the Reactive Power category. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.
Sat Jul 26
Wed Feb 27
- WikiAnswers - What is reactive power
- Reactive Power - Learning Activity - Flash Player Installation
- Reactive Power: Unlike true power, reactive power is not useful power because it is stored in the circuit itself. This power is stored by inductors, because they expand and collapse their magnetic fields in an attempt to keep current constant, and by capacitors,
- What is reactive power? - a definition from Whatis.com
- Explaining reactive power | Leonardo ENERGY: Did anyone ever ask you what reactive power is? Did you manage to explain? Reactive power is an important aspect of the electrical system, but one that is difficult to grasp.
Wed Nov 28
- http://www.geo cities.com/cin dulkar/notes15 .html: good tutorial on reactive power in transmission systems
Tue Oct 9
- A device that claims to save electricity when plugged into the mains - how does it work? | Ask MetaFilter: Reactive power is used in devices like electric motors and computer power supplies that contain inductors. For these devices the power factor may be only 65% to 85%. So you are only using 65% to 85% of the power actually delivered to your home.
- AC power - Wikipedia, the free encyclopedia: Since reactive power flow transfers no net energy to the load, it is sometimes called "wattless " power.
Mon Oct 8
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