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  • GC Solar: 17,4 GW
  • GD Solar: 35,1 GW
  • TOPCon Modules: $0,09/W
  • P-Type Cells: $0,039/W
  • N-Type Cells: $0,039/W
  • HJT Modules: $0.105/W
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  • Polysilicon: US$ 21,00/kg
  • GC Solar: 17,4 GW
  • GD Solar: 35,1 GW
  • TOPCon Modules: $0,09/W
  • P-Type Cells: $0,039/W
  • N-Type Cells: $0,039/W
  • HJT Modules: $0.105/W
  • P-Type Wafer: US$0,152/pc
  • Polysilicon: US$ 21,00/kg
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Home / Archives for Marcelo Villalva

Todo conteúdo de Marcelo Villalva

Canal Solar How to know if a photovoltaic module is genuine
  • November 9, 2023
  • Technical articles

How do you know if a photovoltaic module is real?

Most consumers will never realize that they have installed “counterfeit” modules on their roof
Canal Solar How to know if a photovoltaic module is genuine
  • Technical articles

How do you know if a photovoltaic module is real?

Most consumers will never realize that they have installed “counterfeit” modules on their roof
  • July 27, 2023
  • Technical articles

Mechanical load tests of photovoltaic modules

The procedure is a good parameter to check the mechanical resistance of the product
  • Technical articles

Mechanical load tests of photovoltaic modules

The procedure is a good parameter to check the mechanical resistance of the product
Hybrid inverter vs off-grid inverter
  • March 11, 2022
  • Technical articles

Hybrid PV inverter x off-grid PV inverter

The market lacks a clear definition for the hybrid inverter, differentiating it from the off-grid inverter-charger
Hybrid inverter vs off-grid inverter
  • Technical articles

Hybrid PV inverter x off-grid PV inverter

The market lacks a clear definition for the hybrid inverter, differentiating it from the off-grid inverter-charger
  • March 7, 2022
  • Technical articles

How does load selection work in hybrid PV systems?

Hybrid photovoltaic systems are an evolution of conventional grid-tie systems
  • Technical articles

How does load selection work in hybrid PV systems?

Hybrid photovoltaic systems are an evolution of conventional grid-tie systems
  • March 1, 2022
  • Technical articles

What is a hybrid solar inverter?

What characteristics define a hybrid inverter? What inputs, outputs and operating modes does this equipment have?
  • Technical articles

What is a hybrid solar inverter?

What characteristics define a hybrid inverter? What inputs, outputs and operating modes does this equipment have?
  • December 22, 2021
  • Technical articles

How to safely replace a defective photovoltaic module?

Is it possible to exchange a photovoltaic module for another different from the original model? What precautions should be taken?
  • Technical articles

How to safely replace a defective photovoltaic module?

Is it possible to exchange a photovoltaic module for another different from the original model? What precautions should be taken?
  • November 3, 2021
  • Technical articles

210 mm mono-PERC modules with tripartite cells

As the industry turns to 182mm and 210mm cells, not everyone will be forced to live with large s
  • Technical articles

210 mm mono-PERC modules with tripartite cells

As the industry turns to 182mm and 210mm cells, not everyone will be forced to live with large s
  • June 25, 2021
  • Technical articles

Benefits of solar source for electric mobility

Many of the benefits of electric mobility will only be achieved with renewable sources of electrical energy
  • Technical articles

Benefits of solar source for electric mobility

Many of the benefits of electric mobility will only be achieved with renewable sources of electrical energy
  • May 7, 2021
  • Technical articles

About the origin of reverse current in photovoltaic systems

Reverse current must be prevented by using fuses in series with the strings
  • Technical articles

About the origin of reverse current in photovoltaic systems

Reverse current must be prevented by using fuses in series with the strings
  • February 27th, 2021
  • Technical articles

The LID effect of photovoltaic cells

Light-induced degradation is a phenomenon that reduces the efficiency of photovoltaic cells
  • Technical articles

The LID effect of photovoltaic cells

Light-induced degradation is a phenomenon that reduces the efficiency of photovoltaic cells
Understanding the efficiency of photovoltaic inverters
  • February 27th, 2021
  • Technical articles

Understanding the efficiency of photovoltaic inverters

To facilitate the qualification and comparison of inverters, the figure of average efficiency or weighted efficiency was created.
Understanding the efficiency of photovoltaic inverters
  • Technical articles

Understanding the efficiency of photovoltaic inverters

To facilitate the qualification and comparison of inverters, the figure of average efficiency or weighted efficiency was created.
Energy storage: electric battery technologies
  • February 22th, 2021
  • Technical articles

Energy storage: electric battery technologies

The subject of electrochemical batteries is quite rich and extensive
Energy storage: electric battery technologies
  • Technical articles

Energy storage: electric battery technologies

The subject of electrochemical batteries is quite rich and extensive
BMS systems for lithium batteries
  • February 18th, 2021
  • Technical articles

BMS systems for lithium batteries

Lithium batteries need electronic control and monitoring systems to operate safely
BMS systems for lithium batteries
  • Technical articles

BMS systems for lithium batteries

Lithium batteries need electronic control and monitoring systems to operate safely
  • December 28, 2020
  • Technical articles

Making inverters and photovoltaic arrays compatible in PVSyst

Understand the Show sizing function on the PVSyst system screen
  • Technical articles

Making inverters and photovoltaic arrays compatible in PVSyst

Understand the Show sizing function on the PVSyst system screen
  • November 30, 2020
  • Technical articles

MC4 Connector Incompatibility Case Study

Check out a curious case of incompatibility of MC4 connectors that occurred in the Brazilian photovoltaic market
  • Technical articles

MC4 Connector Incompatibility Case Study

Check out a curious case of incompatibility of MC4 connectors that occurred in the Brazilian photovoltaic market
  • November 30, 2020
  • Technical articles

How are photovoltaic inverters approved in Brazil?

Find out how the equipment approval process by INMETRO works
  • Technical articles

How are photovoltaic inverters approved in Brazil?

Find out how the equipment approval process by INMETRO works
  • November 26, 2020
  • Technical articles

How do you know if the DPS needs to be replaced?

Understand how to identify the moment when DPS needs to be changed
  • Technical articles

How do you know if the DPS needs to be replaced?

Understand how to identify the moment when DPS needs to be changed
  • October 30, 2020
  • Technical articles

Stringbox with DPS is necessary or not? What does NBR 16690 say?

The main function of every strinbox is to concatenate the string circuits
  • Technical articles

Stringbox with DPS is necessary or not? What does NBR 16690 say?

The main function of every strinbox is to concatenate the string circuits
  • October 23, 2020
  • Technical articles

Cast-mono technology: poly silicon that is almost monocrystalline

The term cast-mono is an allusion to cast or molded monocrystalline silicon
  • Technical articles

Cast-mono technology: poly silicon that is almost monocrystalline

The term cast-mono is an allusion to cast or molded monocrystalline silicon
Basic equipment for commissioning PV systems
  • September 23th, 2020
  • Technical articles

Basic equipment for commissioning PV systems

Understand what commissioning is and what instruments are needed to carry it out
Basic equipment for commissioning PV systems
  • Technical articles

Basic equipment for commissioning PV systems

Understand what commissioning is and what instruments are needed to carry it out
  • 31 for August, 2020
  • Technical articles

Compatibility between bifacial photovoltaic modules and optimizers

This article addresses the compatibility of bifacial solar s with optimizers
  • Technical articles

Compatibility between bifacial photovoltaic modules and optimizers

This article addresses the compatibility of bifacial solar s with optimizers
What are N-type photovoltaic solar cells?
  • 11 for August, 2020
  • Technical articles

What are N-type photovoltaic solar cells?

Understand what type N cells are and how they differ from type P
What are N-type photovoltaic solar cells?
  • Technical articles

What are N-type photovoltaic solar cells?

Understand what type N cells are and how they differ from type P
Are generic MC4 connectors compatible?
  • 6 for August, 2020
  • Technical articles

Are generic MC4 connectors compatible?

Find out the specifications of original and generic connectors
Are generic MC4 connectors compatible?
  • Technical articles

Are generic MC4 connectors compatible?

Find out the specifications of original and generic connectors
  • July 25, 2020
  • Technical articles

Case study: voltage drop in the DC circuit according to NBR 16690

Understand the voltage drop in the direct current circuit by exploring a real case
  • Technical articles

Case study: voltage drop in the DC circuit according to NBR 16690

Understand the voltage drop in the direct current circuit by exploring a real case
Module inclined on a straight surface to illustrate the angle of inclination
  • July 11, 2020
  • Technical articles

How to determine the tilt angle of photovoltaic modules?

Understand what are the best inclinations for photovoltaic modules
Module inclined on a straight surface to illustrate the angle of inclination
  • Technical articles

How to determine the tilt angle of photovoltaic modules?

Understand what are the best inclinations for photovoltaic modules
  • July 11, 2020
  • Technical articles

Economic analysis of a photovoltaic system using PVSyst

Discover the PVSyst Economic Assessment tool and its advantages
  • Technical articles

Economic analysis of a photovoltaic system using PVSyst

Discover the PVSyst Economic Assessment tool and its advantages
Power factor of installations and power control in photovoltaic inverters
  • June 30, 2020
  • Technical articles

Power factor of installations and power control in inverters

Understand how inverter power control can manage voltage in distribution networks
Power factor of installations and power control in photovoltaic inverters
  • Technical articles

Power factor of installations and power control in inverters

Understand how inverter power control can manage voltage in distribution networks
PVSyst: photovoltaic systems with power optimizers
  • June 29, 2020
  • Technical articles

PVSyst: photovoltaic systems with power optimizers

Discover the functions of power optimizers in photovoltaic systems
PVSyst: photovoltaic systems with power optimizers
  • Technical articles

PVSyst: photovoltaic systems with power optimizers

Discover the functions of power optimizers in photovoltaic systems
PVSyst: inverter with multiple MPPT inputs
  • June 29, 2020
  • Technical articles

PVSyst: inverter with multiple MPPT inputs

This article was written based on PVSyst version 7
PVSyst: inverter with multiple MPPT inputs
  • Technical articles

PVSyst: inverter with multiple MPPT inputs

This article was written based on PVSyst version 7
Aerial thermography of photovoltaic solar plants
  • June 18, 2020
  • Technical articles

Aerial thermography of photovoltaic solar plants

Learn about thermography and how it can detect problems in photovoltaic plants
Aerial thermography of photovoltaic solar plants
  • Technical articles

Aerial thermography of photovoltaic solar plants

Learn about thermography and how it can detect problems in photovoltaic plants
Microgeneration system performance with power optimizers
  • May 31, 2020
  • Technical articles

Microgeneration system performance with power optimizers

Discover the performance of microgeneration with power optimizers through a case study
Microgeneration system performance with power optimizers
  • Technical articles

Microgeneration system performance with power optimizers

Discover the performance of microgeneration with power optimizers through a case study
CIGS thin films: an alternative to crystalline silicon
  • May 30, 2020
  • Technical articles

CIGS thin films: an alternative to crystalline silicon

The manufacturing process for thin films is diametrically opposite to that of crystalline semiconductors
CIGS thin films: an alternative to crystalline silicon
  • Technical articles

CIGS thin films: an alternative to crystalline silicon

The manufacturing process for thin films is diametrically opposite to that of crystalline semiconductors
DPS: the airbag of photovoltaic systems
  • 26 for April, 2020
  • Technical articles

DPS: the airbag of photovoltaic systems

The quality of this product is important for the safe operation of PV systems
DPS: the airbag of photovoltaic systems
  • Technical articles

DPS: the airbag of photovoltaic systems

The quality of this product is important for the safe operation of PV systems
Inverters with intelligent MPPT in partial shading situations
  • 19 for April, 2020
  • Technical articles

Inverters with intelligent MPPT in partial shading situations

Smart MPPT is a feature that equips some photovoltaic inverters available on the market
Inverters with intelligent MPPT in partial shading situations
  • Technical articles

Inverters with intelligent MPPT in partial shading situations

Smart MPPT is a feature that equips some photovoltaic inverters available on the market
Form factor as a quality indicator of PV modules
  • 2 for April, 2020
  • Technical articles

Form factor as a quality indicator of PV modules

Learn more about the form factor and how it evaluates the quality of power generating cells
Form factor as a quality indicator of PV modules
  • Technical articles

Form factor as a quality indicator of PV modules

Learn more about the form factor and how it evaluates the quality of power generating cells
Dynamic peak manager: a solution for PV systems with shading
  • March 28, 2020
  • Technical articles

Dynamic peak manager: solution for PV systems with shading

Learn more about DPM and how it can help with the performance of photovoltaic systems
Dynamic peak manager: a solution for PV systems with shading
  • Technical articles

Dynamic peak manager: solution for PV systems with shading

Learn more about DPM and how it can help with the performance of photovoltaic systems

Most read

Sizing of photovoltaic systems for group A

Sizing of photovoltaic systems for group A

Import tax puts investments, jobs and financing in the sector at risk, says CEO of ABSOLAR

Tax on solar s threatens business

Effects of reverse flow and its impacts on photovoltaic systems

See the ranking of the main module suppliers until the 3rd quarter of 2023

See the ranking of the main module suppliers until the 3rd quarter of 2023

AFCI requirement sparks race among manufacturers to adapt inverters

AFCI requirement sparks race among manufacturers to adapt inverters

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