Entry Test

Question 1

Centralized generation

Answer 1

Electricity produced at large power plants and transmitted great distances

Question 2

Passive Solar

Answer 2

Uses a building’s structural elements to heat and cool and reduce use of fuel and mechanical equip

Question 3

Solar Thermal

Answer 3

Harness sun’s energy as heat (water heaters)

Question 4

Flat Plate collectors

Answer 4

Thermal collectors that use parallel copper pipes, absorber and glass box

Question 5

Evacuated Tube Collectors

Answer 5

Thermal collectors with glass tubes, vacuum, thin copper tube

Question 6

RPS

Answer 6

Renewable portfolio standards - Minimum % of total generation that a utility company is required to produce

Question 7

PURPA

Answer 7

Public Utility Regulatory Policies Act - Utilities must purchase power from others

Question 8

Tiered Rate

Answer 8

Allow utility to charge different rates on varying parameters

Question 9

PBI

Answer 9

Performance based incentives - Financial incentive to generate power

Question 10

RECs

Answer 10

Renewable Energy Certificates

Question 11

PPA

Answer 11

Power Purchase Agreement - 15-20 year agreement between producer and purchaser.

Question 12

Voltage Potential

Answer 12

Difference in pressure between 2 points

Question 13

SI

Answer 13

International system of units - giga, mega, kilo, micro, nano

Question 14

Energy

Answer 14

Amount of power consumed or produced over time (KwH)

Question 15

PV Direct System

Answer 15

Simplest system. Only PV Module and DC Load

Question 16

Stand Alone System

Answer 16

Off Grid System - Only power source for connected load

Question 17

Load Controllers

Answer 17

Regulate power from batteries to prevent overdischarge

Question 18

Hybrid System

Answer 18

More than one source of energy generation

Question 19

Grid Direct System

Answer 19

Sell directly to Utility Grid. No storage

Question 20

BIPV

Answer 20

Building Integrated PV - Roofing tiles etc that produces PV energy

Question 21

I-V Curve

Answer 21

Current Voltage Curve - Graph showing relationship of current and voltage for PV Module

Question 22

FIT

Answer 22

Feed in tariff - 2 meters - Comsumption/Production

Question 23

MPP

Answer 23

Maximum Power Point (IMP x VMP)

Question 24

VOC

Answer 24

Voltage Open Circuit

Question 25

Pyranometer

Answer 25

Measures intensity of sunlight

Question 26

PV Output circuits

Answer 26

Parallel circuit - Combiner Box

Question 27

PV Source circuits

Answer 27

Series wired modules

Question 28

Solar Azimuth

Answer 28

Sun's position relative to a defined direction (Angle)

Question 29

Solar Noon

Answer 29

Sun at highest position

Question 30

Inclinometer

Answer 30

Measure slope or angle

Question 31

Solar Window

Answer 31

Time frame when solar system is free of shade

Question 32

Irradiance

Answer 32

Intensity of sunlight (W/m2) at given moment

Question 33

Insolation (Irradiation)

Answer 33

Intensity of sunlight over given time

Question 34

Peak sun hours

Answer 34

Time period when insolation averages 1,000 W/m2

Question 35

Full sun

Answer 35

Peak sun hour (1,000 W/m2) for one hour

Question 36

Single axis trackers

Answer 36

Follow sun east to west

Question 37

Dual axis trackers

Answer 37

Follow sun east to west and azimuth angle

Question 38

Passive trackers

Answer 38

Non-motorized

Question 39

Tilt and roll trackers

Answer 39

Motorized trackers that have primary support N-S. The array pivots over the bar E-W during the day

Question 40

Duty Cycle

Answer 40

Percentage of time that an appliance is active and drawing power

Question 41

Islanding

Answer 41

When PV system injects power into utility grid when utility grid is down. Dangerous

Question 42

Microinvertor

Answer 42

Low wattage inverter for one PV Module

Question 43

String Size

Answer 43

Number of modules per source circuit (Series wired)

Question 44

Array to inverter ratio

Answer 44

STC watts of array / Inverter continuous power output rating

Question 45

OSHA Section?

Answer 45

29 CFR Part 1926 (Installation) & 29 CFR Part 1910 (General Industry)

Question 46

DOD

Answer 46

Depth of discharge. % of battery capacity to be used

Question 47

Days of Autonomy

Answer 47

Number of days the battery will provide energy without charge

Question 48

Power Clipping

Answer 48

Solar array has more power than inverter or charge controller can output

Question 49

SOC

Answer 49

State of charge - Amp hours remaining in battery

Question 50

Grid Parity

Answer 50

Renewable energy costs the same as utility

Question 51

Vertical Integration

Answer 51

Make the product a-z and install it.

Question 52

Upstream Business

Answer 52

Closer to manufacturing

Question 53

Downstream Business

Answer 53

Closer to installs

Question 54

EIA

Answer 54

US Energy Information Administration

Question 55

Utility Tariff

Answer 55

Price per KWH

Question 56

Seasonal Rate Schedule

Answer 56

Different utility charges per season

Question 57

PPA

Answer 57

Power Purchase Agreement (Usually 20 years)