May 2022
Intermediate to advanced
528 pages
14h 13m
English
Content preview from Analysis and Design of Electrical Power Systems
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18Compensation for Reactive Power
18.1 Terms and Definitions
- Reactive power: Power required to build up the electromagnetic fields. It cannot be converted into useful energy.
- VAr controller: Measures the reactive power which arises and gives switching commands to the contactors, which switch capacitors on or off as required.
- Power factor: Ratio of effective power to apparent power.
- Compensation: Through compensation the economy of operation of electrical systems, i.e. the power factor, is improved. This relieves the electrical operational equipment so that a greater effective power can be transmitted.
- Individual compensation: A capacitor is connected directly to the terminals of the load and switched together with this (e.g. a motor).
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