Overview

Photovoltaic (PV) power generation is a technology that directly converts light energy into electrical energy using the photovoltaic effect at semiconductor interfaces.

PV power generation systems are classified into off-grid and grid-connected types.

Circuit Protection for Photovoltaic Power Generation Systems

SETsafe | SETfuse Solutions and Products

Off-Grid Photovoltaic Power Generation Systems

Off-grid PV systems consist of components such as PV arrays, combiner boxes, inverters, and DC/DC converters. These systems require various circuit protection components with high reliability to ensure normal operation. SETsafe | SETfuse provides a wide range of circuit protection components and solutions.

PV Array

SETsafe | SETfuse Circuit Protection Solutions and Products:  

Direct Current Thermal-Link (DC-ATCO) - Alloy Type

Combiner Box

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Surge Protective Device (SPD) – For PV Systems 

Low-Voltage Fuse (LV Fuses) – For PV Systems

DC/AC Inverter

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Thermal-Link (ATCO) - Alloy Type 

Gas Discharge Tube (GDT) – Plug-in Type 

Metal Oxide Varistor (MOV) – Standard Type 

Thermal Fuse Varistor (TFV) – Epoxy-Encapsulated Type 

Thermally Protected Varistors (TFMOV) – Mechanical Trip Type

DC/DC Converter

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Gas Discharge Tube (GDT) – DIP Type 

Metal Oxide Varistor (MOV) – Standard Type

Between PV Array and Combiner Box

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Surge Protective Device (SPD) – For PV Systems

Grid-Connected Photovoltaic Power Generation Systems

Grid-connected PV systems consist of components such as PV arrays, Maximum Power Point Tracking (MPPT) systems, DC/AC inverters, and DC/DC converters, with optional additions like combiner boxes and AC distribution cabinets. These systems require various circuit protection components with high reliability to ensure normal operation. SETsafe | SETfuse provides a wide range of circuit protection components and solutions.

PV Array

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Direct Current Thermal-Link (DC-ATCO)  – Alloy Type

Maximum Power Point Tracking (MPPT) System

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Metal Oxide Varistor (MOV) – Standard Type 

Gas Discharge Tube (GDT) – SMD Type 

Transient Voltage Suppressor Diode (TVS) – Standard Type

DC/AC Inverter

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Thermal-Link (ATCO) – Alloy Type 

Gas Discharge Tube (GDT) – DIP Type 

Metal Oxide Varistor (MOV) – Standard Type 

Thermal Fuse Varistor (TFV) – Epoxy-Encapsulated Type 

Thermally Protected Varistors (TFMOV) – Mechanical Trip Type

DC/DC Converter

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Gas Discharge Tube (GDT) – DIP Type 

Metal Oxide Varistor (MOV) – Standard Type

Between PV Array and Combiner Box

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Surge Protective Device (SPD) – For PV Systems

Between AC Distribution Cabinet and Grid

SETsafe | SETfuse Circuit Protection Solutions and Products: 

Surge Protective Device (SPD) – For Low-Voltage Power Systems