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Matters needing attention in the application of film capacitors
Application of film capacitors need to pay attention to the following matters:
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Analysis of the role of film capacitors, which are used in what areas
Film capacitors are used in what areas
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Reasons for starting capacitor burnout
Single-phase motors with slightly larger power are generally equipped with two capacitors, namely, starting appliances and running capacitors. Before 70 years, single-phase motors were mostly started by a capacitor. After the motor is started, the capacitor is thrown off by the centrifugal switch, and only the main winding works at this time. The secondary winding is idle.
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Application of capacitor
One of the common applications of a capacitor used as a filter capacitor is to use it as a filter capacitor in an electronic circuit to remove the high-frequency component of the AC signal and leave the DC component of the AC signal.
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Classification of capacitors
Capacitors are divided into solid capacitors, liquid capacitors and gas capacitors according to the nature of the dielectric.
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Working principle of capacitor
When the electric field intensity becomes larger, the charge storage capacity also becomes larger, and the quantity representing the electric field intensity is the electric field intensity E of the capacitor.
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Basic concepts of capacitors
The capacitor is separated and insulated by two conductor plates. The two conductor plates are respectively connected to the two ends of the power supply. The air gap in the middle is called the dielectric of the capacitor.
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