Charging of a Capacitor RC time constant time

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Charging of a Capacitor RC time constant – time it takes capacitor to charge

Charging of a Capacitor RC time constant – time it takes capacitor to charge or discharge by 63% - “electrical response time” http: //hyperphysics. phy-astr. gsu. edu AME 20216 - Rumbach 1

Memorize it: At t = τ… AME 20216 - Rumbach 2

Memorize it: At t = τ… AME 20216 - Rumbach 2

Alternating Current (AC) www. learnabout-electronics. org |V| Vpp = 2|V| “peak amplitude” “peak-to-peak” “root-mean-square”

Alternating Current (AC) www. learnabout-electronics. org |V| Vpp = 2|V| “peak amplitude” “peak-to-peak” “root-mean-square” AME 20216 - Rumbach 3

Memorize it: AME 20216 - Rumbach 4

Memorize it: AME 20216 - Rumbach 4

Alternating Current AME 20216 - Rumbach 5

Alternating Current AME 20216 - Rumbach 5

Phase Resistor R Capacitor Inductor AME 20216 - Rumbach C L http: //hyperphysics. phy-astr.

Phase Resistor R Capacitor Inductor AME 20216 - Rumbach C L http: //hyperphysics. phy-astr. gsu. edu 6

A 5 – Electronics II Amplitude AME 20216 - Rumbach Phase 7

A 5 – Electronics II Amplitude AME 20216 - Rumbach Phase 7

High-Pass Filter AME 20216 - Rumbach 8

High-Pass Filter AME 20216 - Rumbach 8

A 5 – Electronics II Amplitude AME 20216 - Rumbach Phase 9

A 5 – Electronics II Amplitude AME 20216 - Rumbach Phase 9

Non-dimensional Parameters Reynolds Number AME 20216 - Rumbach 10

Non-dimensional Parameters Reynolds Number AME 20216 - Rumbach 10

The AC Power Grid 60 Hz, 120 VRMS AME 20216 - Rumbach 11

The AC Power Grid 60 Hz, 120 VRMS AME 20216 - Rumbach 11

The AC Power Grid Electrical energy distributed across nation via AC transmission lines. https:

The AC Power Grid Electrical energy distributed across nation via AC transmission lines. https: //www. technologyreview. com/s/401083/a-smarter-power-grid/ AME 20216 - Rumbach 12

Tesla Models S – 400 HP AC Induction Motor AME 20216 - Rumbach 13

Tesla Models S – 400 HP AC Induction Motor AME 20216 - Rumbach 13

55 Hz AC Induction Motor – 103 Amps at 300 V 300, 000 W

55 Hz AC Induction Motor – 103 Amps at 300 V 300, 000 W = 400 HP Instantaneous torque! No transmission, no fuel pump, no water pump, no valves… Very few moving parts! AME 20216 - Rumbach 14

Energy Consumption Entropy Output Waste heat: 2 x 1012 W ~66% wasted Work Output

Energy Consumption Entropy Output Waste heat: 2 x 1012 W ~66% wasted Work Output Energy Input Economy 3 x 1012 W (3 TW) ~10, 000 W person! AME 20216 - Rumbach GDP and $$$ 1 x 1012 W ~34% used 15

A 6 and A 7 - Solar Panels 173 Million Giga. Watts of power

A 6 and A 7 - Solar Panels 173 Million Giga. Watts of power are incident on planet earth! 10, 000 times more than total human consumption. AME 20216 - Rumbach 16

Solar “Microgrid” Solar energy is often stored in batteries for use at night. AME

Solar “Microgrid” Solar energy is often stored in batteries for use at night. AME 20216 - Rumbach 17