TVET Renewable Energy Course: Electricity and Circuits 2 Training Session

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DELIVERABLE #5 - TRAINING
COURSES & PROFESSIONAL
DEVELOPMENT
Session 31 (07 October 2022) – C09
Electricity and Circuits 2
Topics
Labs for Electricity and Circuits 2
2. Term 2 Course Introductions
C 09: Electricity and Circuits 2
Elec. Cir. 2 (in Calendar Table)
Introduce the battery as a resource of stored electricity
Series & parallel connections for batteries & PV panels
List the types of batteries
Understand magnetism, motors and generators
Introduce alternating current (AC), voltage, and power
Understand types of wire and cable
2. Term 2 Course Introductions
C 09: Electricity and Circuits 2
Examples of anticipated outcomes after course completion
Review & identify, existing & potential, wire & cable sizes
Review & identify from drawings and at a customer’s
house, the battery type(s) with connections to PV panels  
Demonstrate understanding of how direct current from a
PV panel source can become alternate current in a home
Plan and use portable generators at customer’s home
PV
Panel
120 to
170 W
Max
Isc 10
amp
36 cell
Charge
Controller
30 amp
Display
Inverter
600 W
12 VDC
Battery
12 VDC
AGM
90 – 110 Ahr
DC
Loads
ATO
Fuses
AC
Loads
Digital
Multimeter
Fuse
Circuit
Breaker
Circuit
Breaker
Plug
Load
Meter
Shunt
PV
Panel
120 to
170 W
Max
Isc 10
amp
36 cell
Circuit
Breaker
GFCI
Circuit
Breaker
12 V Trainer
150 VDC
Max MPPT
Charge
Controller
80 Amp
Inverter/
Charger
2000 W
48 VDC
with
Inverter
Remote
Communication
Battery
48 VDC
AGM
90 Ahr
From
small
trainers
AC Load
Panel
Digital
Multimeter
Circuit
Breaker
Ground
Fault
150 VDC
80 A
Plug
Load
Meter
Shunt
Circuit
Breaker
Disconnect
Grid / Lab
Panel
3Ph or
split
phase???
Disconnect
To
microinverters
To combiner
Circuit
Breaker
48V Trainer
PV 1: 60
cell
250 – 350
W
PV 2
PV 3
PV 4
PV 5
PV 6
μ
 inverter
μ
 inverter
μ
 inverter
Terminator
AC
Disconnect
240 VAC
< 10 amp
To Lab High
Voltage
Trainer
Trenched
conduit
μ
 inverter
μ
 inverter
μ
 inverter
Rooftop Trainer
PV 1: 60
cell
250 – 350
W
PV 2
PV 3
PV 4
PV 5
PV 6
DC Disconnect/
Combiner
150 DC
Circuit Breakers
To Lab High
Voltage
Trainer
Trenched
conduit
Rooftop Trainer
Lab – AC Circuits
Voltage
Current
Resistance
Component testing
PV
Panel
120 to
170 W
Max
Isc 10
amp
36 cell
Charge
Controller
30 amp
Display
Inverter
600 W
12 VDC
Battery
12 VDC
AGM
90 – 110 Ahr
DC
Loads
ATO
Fuses
AC
Loads
Digital
Multimeter
Fuse
Circuit
Breaker
Circuit
Breaker
Plug
Load
Meter
Shunt
PV
Panel
120 to
170 W
Max
Isc 10
amp
36 cell
Circuit
Breaker
GFCI
Circuit
Breaker
12 V Trainer
Lab – PV Systems AC/DC
Familiarization with where AC is present in
PV systems
Familiarization with where DC is present in
PV systems
Expectations from measurements
No power when circuit breaker and disconnects
engaged
MPPT Controller has no power if ground fault
breaker engaged
150 VDC
Max MPPT
Charge
Controller
80 Amp
Inverter/
Charger
2000 W
48 VDC
with
Inverter
Remote
Communication
Battery
48 VDC
AGM
90 Ahr
From
small
trainers
AC Load
Panel
Digital
Multimeter
Circuit
Breaker
Ground
Fault
150 VDC
80 A
Plug
Load
Meter
Shunt
Circuit
Breaker
Disconnect
Grid / Lab
Panel
3Ph or
split
phase???
Disconnect
To
microinverters
To combiner
Circuit
Breaker
48V Trainer
Lab – Cable Sizing and Grounding
Wire sizing
String connection in parallel
Microinverters
Grounding
Wire size
How to ground
Where to ground
PV 1: 60
cell
250 – 350
W
PV 2
PV 3
PV 4
PV 5
PV 6
μ
 inverter
μ
 inverter
μ
 inverter
Terminator
AC
Disconnect
240 VAC
< 10 amp
To Lab High
Voltage
Trainer
Trenched
conduit
μ
 inverter
μ
 inverter
μ
 inverter
Rooftop Trainer
PV 1: 60
cell
250 – 350
W
PV 2
PV 3
PV 4
PV 5
PV 6
DC Disconnect/
Combiner
150 DC
Circuit Breakers
To Lab High
Voltage
Trainer
Trenched
conduit
Rooftop Trainer
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Explore the fundamentals of electricity and circuits in the TVET Renewable Energy Course, focusing on batteries, PV panels, magnetism, motors, generators, AC, wire types, and more. Gain hands-on experience with trainers and equipment for practical applications in renewable energy technology.


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  1. Design and Implementation of Pilot of a TVET Renewable Energy Course DELIVERABLE #5 - TRAINING COURSES & PROFESSIONAL DEVELOPMENT Session 31 (07 October 2022) C09 Electricity and Circuits 2

  2. Topics Labs for Electricity and Circuits 2

  3. 2. Term 2 Course Introductions C 09: Electricity and Circuits 2 Elec. Cir. 2 (in Calendar Table) Introduce the battery as a resource of stored electricity Series & parallel connections for batteries & PV panels List the types of batteries Understand magnetism, motors and generators Introduce alternating current (AC), voltage, and power Understand types of wire and cable

  4. 2. Term 2 Course Introductions C 09: Electricity and Circuits 2 Examples of anticipated outcomes after course completion Review & identify, existing & potential, wire & cable sizes Review & identify from drawings and at a customer s house, the battery type(s) with connections to PV panels Demonstrate understanding of how direct current from a PV panel source can become alternate current in a home Plan and use portable generators at customer s home

  5. 12 V Trainer Charge Controller 30 amp Display Circuit Breaker Circuit Breaker DC Loads ATO Fuses PV Panel 120 to 170 W Max Isc 10 amp 36 cell PV Panel 120 to 170 W Max Isc 10 amp 36 cell Circuit Breaker GFCI Inverter 600 W 12 VDC AC Loads Circuit Breaker Plug Load Meter Shunt Fuse Digital Multimeter Battery 12 VDC AGM 90 110 Ahr

  6. 48V Trainer To microinverters Grid / Lab Panel 3Ph or split phase??? Disconnect 150 VDC Max MPPT Charge Controller 80 Amp Disconnect Inverter/ Charger 2000 W 48 VDC with Inverter Remote Communication Shunt Breaker Breaker Circuit Circuit Battery 48 VDC AGM 90 Ahr From small trainers Plug Load Meter Circuit Breaker Ground Fault 150 VDC 80 A Digital Multimeter AC Load Panel To combiner

  7. Rooftop Trainer To Lab High Voltage Trainer Trenched conduit AC Disconnect 240 VAC < 10 amp inverter PV 1: 60 cell 250 350 W PV 2 inverter PV 3 inverter PV 4 inverter PV 5 inverter PV 6 inverter Terminator

  8. Rooftop Trainer To Lab High Voltage Trainer Trenched conduit DC Disconnect/ Combiner 150 DC Circuit Breakers PV 1: 60 cell 250 350 W PV 2 PV 3 PV 4 PV 5 PV 6

  9. Lab AC Circuits Voltage Current Resistance Component testing

  10. 12 V Trainer Charge Controller 30 amp Display Circuit Breaker Circuit Breaker DC Loads ATO Fuses PV Panel 120 to 170 W Max Isc 10 amp 36 cell PV Panel 120 to 170 W Max Isc 10 amp 36 cell Circuit Breaker GFCI Inverter 600 W 12 VDC AC Loads Circuit Breaker Plug Load Meter Shunt Fuse Digital Multimeter Battery 12 VDC AGM 90 110 Ahr

  11. Lab PV Systems AC/DC Familiarization with where AC is present in PV systems Familiarization with where DC is present in PV systems Expectations from measurements No power when circuit breaker and disconnects engaged MPPT Controller has no power if ground fault breaker engaged

  12. 48V Trainer To microinverters Grid / Lab Panel 3Ph or split phase??? Disconnect 150 VDC Max MPPT Charge Controller 80 Amp Disconnect Inverter/ Charger 2000 W 48 VDC with Inverter Remote Communication Shunt Breaker Breaker Circuit Circuit Battery 48 VDC AGM 90 Ahr From small trainers Plug Load Meter Circuit Breaker Ground Fault 150 VDC 80 A Digital Multimeter AC Load Panel To combiner

  13. Lab Cable Sizing and Grounding Wire sizing String connection in parallel Microinverters Grounding Wire size How to ground Where to ground

  14. Rooftop Trainer To Lab High Voltage Trainer Trenched conduit AC Disconnect 240 VAC < 10 amp inverter PV 1: 60 cell 250 350 W PV 2 inverter PV 3 inverter PV 4 inverter PV 5 inverter PV 6 inverter Terminator

  15. Rooftop Trainer To Lab High Voltage Trainer Trenched conduit DC Disconnect/ Combiner 150 DC Circuit Breakers PV 1: 60 cell 250 350 W PV 2 PV 3 PV 4 PV 5 PV 6

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