EPS

Question 1

What does the EPS do?

Answer 1

converts energy into usable electrical power to run the spacecraft

Question 2

What is job of the power supply?

Answer 2

collects and converts energy, regulates power output

Question 3

What is the power condition and distruntion

Answer 3

adjusts voltages to match subsystems desgins

Question 4

List three energy sources

Answer 4

solar (photo electric effect)
chemical (electrolytes, anodes, cathodes)
nuclear (heat from decaying isotopes)

Question 5

What is the basic equation for power?

Answer 5

P=iv

Question 6

What is peak power, open circuit voltage, and short circuit current

Answer 6

peak power = Pmp
open circuit voltage= Voc
short circuit current = Isc

Question 7

What is current density??

Answer 7

J=I/n_cell

used instead of I

Question 8

Fill factor is?

Answer 8

VmpImp / VocIsc

Question 9

List some chemical sources

Answer 9

lithium ion batteries
nicad batteries
NiH2

Question 10

What are battery capacities rated against?

Answer 10

a particular discharge rate

Question 11

What are voltages based on?

Answer 11

current capacity, lose capacity over time

Question 12

What in the hell is a Radioisotope Thermometric generator?

Answer 12

uses radioactive decay of plutonium or uranium which generates voltage when heated