Entry Test Flashcards

1
Q

Centralized generation

A

Electricity produced at large power plants and transmitted great distances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Passive Solar

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Solar Thermal

A

Harness sun’s energy as heat (water heaters)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Flat Plate collectors

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Evacuated Tube Collectors

A

Thermal collectors with glass tubes, vacuum, thin copper tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

RPS

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

PURPA

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Tiered Rate

A

Allow utility to charge different rates on varying parameters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

PBI

A

Performance based incentives - Financial incentive to generate power

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

RECs

A

Renewable Energy Certificates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

PPA

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Voltage Potential

A

Difference in pressure between 2 points

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

SI

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Energy

A

Amount of power consumed or produced over time (KwH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

PV Direct System

A

Simplest system. Only PV Module and DC Load

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Stand Alone System

A

Off Grid System - Only power source for connected load

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Load Controllers

A

Regulate power from batteries to prevent overdischarge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Hybrid System

A

More than one source of energy generation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Grid Direct System

A

Sell directly to Utility Grid. No storage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

BIPV

A

Building Integrated PV - Roofing tiles etc that produces PV energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

I-V Curve

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

FIT

A

Feed in tariff - 2 meters - Comsumption/Production

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

MPP

A

Maximum Power Point (IMP x VMP)

24
Q

VOC

A

Voltage Open Circuit

25
Q

Pyranometer

A

Measures intensity of sunlight

26
Q

PV Output circuits

A

Parallel circuit - Combiner Box

27
Q

PV Source circuits

A

Series wired modules

28
Q

Solar Azimuth

A

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

29
Q

Solar Noon

A

Sun at highest position

30
Q

Inclinometer

A

Measure slope or angle

31
Q

Solar Window

A

Time frame when solar system is free of shade

32
Q

Irradiance

A

Intensity of sunlight (W/m2) at given moment

33
Q

Insolation (Irradiation)

A

Intensity of sunlight over given time

34
Q

Peak sun hours

A

Time period when insolation averages 1,000 W/m2

35
Q

Full sun

A

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

36
Q

Single axis trackers

A

Follow sun east to west

37
Q

Dual axis trackers

A

Follow sun east to west and azimuth angle

38
Q

Passive trackers

A

Non-motorized

39
Q

Tilt and roll trackers

A

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

40
Q

Duty Cycle

A

Percentage of time that an appliance is active and drawing power

41
Q

Islanding

A

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

42
Q

Microinvertor

A

Low wattage inverter for one PV Module

43
Q

String Size

A

Number of modules per source circuit (Series wired)

44
Q

Array to inverter ratio

A

STC watts of array / Inverter continuous power output rating

45
Q

OSHA Section?

A

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

46
Q

DOD

A

Depth of discharge. % of battery capacity to be used

47
Q

Days of Autonomy

A

Number of days the battery will provide energy without charge

48
Q

Power Clipping

A

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

49
Q

SOC

A

State of charge - Amp hours remaining in battery

50
Q

Grid Parity

A

Renewable energy costs the same as utility

51
Q

Vertical Integration

A

Make the product a-z and install it.

52
Q

Upstream Business

A

Closer to manufacturing

53
Q

Downstream Business

A

Closer to installs

54
Q

EIA

A

US Energy Information Administration

55
Q

Utility Tariff

A

Price per KWH

56
Q

Seasonal Rate Schedule

A

Different utility charges per season

57
Q

PPA

A

Power Purchase Agreement (Usually 20 years)