Power Electronic Concepts

3.1 Criteria for concept evaluation 56

3.2 Power converters 56

3.2.1 Soft starter 56

3.2.2 Capacitor bank 57

3.2.3 Diode rectifier 58

3.2.4 The back-to-back PWM-VSI 58

3.2.5 Tandem converter 59

3.2.6 Matrix converter 61

3.2.7 Multilevel Converter 63

3.2.8 Resonant converter 65

3.2.9 Comparison of the five frequency converters 68

3.3 Park solutions 69

3.3.1 Reactive power compensation units 69

3.3.2 Power regulation and storage units 70

3.4 Trends and perspectives 73

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Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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