| 21. | In special cases, it may be possible to use exclusively machines for generating the reactive power.
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| 22. | Historically, the boundary between these two families was approximately at a reactive power of 200 volt-amperes.
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| 23. | Special instruments called " varmeters " are available to measure the reactive power in a circuit.
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| 24. | Energy stored in capacitive or inductive elements of the network give rise to reactive power flow.
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| 25. | These services include reactive power compensation, voltage regulation, flicker control, active power filtering and harmonic cancellation.
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| 26. | Inductors are said to " sink " reactive power, and thus to cause a lagging power factor.
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| 27. | Loaded below its SIL, a line supplies reactive power to the system, tending to raise system voltages.
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| 28. | Adding power factor correction tools merely affect the reactive power supplied or drawn and not real power.
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| 29. | Capacitors and reactors are switched by circuit breakers, which results in moderately large steps in reactive power.
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| 30. | These mostly large PP film or metallized paper capacitors are limited by the rated reactive power VAr.
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