Renewable energy. Flashcards
1
Q
- Parts of Photovoltaic system?
A
- PV module.
- PV panel.
- PV array.
- PV source circuits.
- Combiner.
- DC fused switch.
- Ground fault protection.
- DC/AC inverter.
- AC fused switch.
- Utility switch connected to service panel at utility company.
- Ground wire.
2
Q
- PV?
A
Photovoltaic.
3
Q
- A complete unit, including solar cells, inverter, and other component, that produce AC power?
A
AC Model.
4
Q
- An assembly of panels that forms the power producing unit?
A
Array.
5
Q
- A device to prevent a battery from being overcharged?
A
Charge controller.
6
Q
- The location where parallel PV source circuits are connected to create a PV output circuit?
A
Combiner.
7
Q
- What is DC Ground-Fault Protection intended for?
A
Not prevent shock hazards. It is for fire protection when panels are located on dwelling roofs.
8
Q
- A system with multiple power sources (not including the utility or butteries). An example would be a system with a generator and PV source?
A
Hybrid system.
9
Q
- A solar PV system that operates in parallel to the utility?
A
Interactive system.
10
Q
- Equipment that converts the the DC current of a PV output circuit to an AC waveform?
A
Inverter.
11
Q
- Name change from “load center” to “panel board” in 2005?
A
Inverter Output Circuit.
12
Q
- An enclosed terminal block on the back of modules to allow module connection to the electrical system?
A
Junction box.
13
Q
- A group of PV cells connected together and encapsulated in ana environmentally protective laminate - usually tempered glass. Unless otherwise specified, they have direct current output?
A
Module.
14
Q
- A group of modules that have been preassembled onto a common frame and are designed to be field installed?
A
Panel.
15
Q
- Conductors between the photovoltaic source circuits and the inverter or DC utilization equipment?
A
Photovoltaic Output Circuit.
16
Q
- Circuits between modules and from modules to the common connection point of the DC system?
A
Photovoltaic Source Circuit.
17
Q
- A solar PV system that supplies power independent of the utility?
A
Stand-Alone System.
18
Q
- Disconnect requirements forPV circuits?
A
- For inverters, batteries, controllers.
- Fuses in PV source circuits require individual disconnects.
- Array must be capable of being disabled.
19
Q
- Transfer switch from transformer to generator wiring requirements?
A
- Sign identifying all power sources should be posted at service.
- If neutral is unswitched, generator neutral should not be bonded.
20
Q
- Parts of Utility Interactive System with Batteries?
A
- PV branch:
1) Solar array,
2) Combiner,
3) GFP,
4) Switch,
5) Charge controller. - Utility branch:
1) Utility service,
2) Utility switch,
3) AC fused switch, - Battery branch:
1) Battery system,
2) Battery controller.
21
Q
- Renewable energy sources?
A
- Photovoltaic System.
2. ?Wind power station?.