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    Solar

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Colombia

Colombia’s solar market outlook

The Republic of Colombia is among the leading proponents of renewable energy in the South American region. As of September 2018, the country’s approximate installed solar capacity was only 20 Megawatts.  Two years down the line, its installed photovoltaic capacity is approximately 80 Megawatts. This growth stint is something to smile about if you are a solar installer or professional eyeing Colombia’s budding solar market.

Looking forward, Colombia is set to become of the most lucrative solar markets in Latin America. This prediction is based on several factors, including the government’s support for the solar sector, tax incentives, and upcoming auctions. It is also essential to note that the government of Columbia is not the only entity pushing for the growth of the country’s solar market.

Energy end-users, investors and electricity providers are looking into solar projects as highly lucrative investments. Are you a solar installer or any other photovoltaic professional looking for opportunities in Latin America? I can assure you that Colombia’s nascent solar market is your best bet.

Solar equipment production and supply capacity in Colombia

There are several local and foreign solar equipment suppliers serving Colombia’s budding solar market. Some of the equipment in Chile include solar panels, inverters, and charge controllers, to name a few. Do you want a solar equipment supplier for your project?

If the answer is yes, you are in the right place. Solarfeeds is home to leading solar equipment suppliers. Go to our website’s inquiry page and send us a request for quotes. We will get back to you faster than you can imagine.

Ports and logistics services in Colombia

The presence of ports and access to reliable logistics services often determine the ease of carrying out projects in a particular market. Well, Colombia boasts of 11 major ports and an advanced logistics services sector. Essentially, you have everything you need to complete your project in time and move on to the next one.

Electric Breaker

Electric Breakers

When installing a solar panel system, you have to be familiar with the electric breakers and how it works with a solar PV system to avoid future electric problems. The electric breaker is one of the main components of a solar power system that provides safety mechanisms. If ever the electrical wiring of your system has too much current flowing through it, these breakers can easily cut the power until your solar installer can fix the system’s problem. 

For today’s article, we will discuss electric breakers and their function in solar photovoltaic systems.

What is an Electric Breaker?

An electric or circuit breaker is an electrical switch designed to protect electrical circuits from damage caused by overloading of current or a short circuit. The basic function of an electric breaker is to prevent the current flow once protective relays detect a fault in the system. 

Although it is frequently interchanged with a fuse, which is the simplest Over Current Protection device (OCPD) in electrical circuits, a circuit breaker, is a much-evolved type of device that interrupts the current flow. The main difference between the two is electric breaker is resettable and the fuse is not. The fuse sacrifices itself while protecting the system to overheat, while the circuit breaker can withstand hundreds and thousands of operations. Another difference is that electric breakers are used with relatively higher currents. 

Components of Circuit Breaker

A circuit breaker system is composed of three parts. These three components are the sensing system, relay, and the combination of contacts and the contact actuator. A sensing system is responsible for detecting an overload situation, while a relay is responsible for transferring the information to the switching arrangement, and the combination of contacts and the contact actuator. This electric arrangement is usually observed in power transmission and distribution networks dealing with very high currents, voltages, and powers. 

Circuit Breakers Calculation in Solar Panel Systems

When connecting circuit breakers to the PV system, you have to follow the recommended calculations to avoid future problems and damage to the entire system. The recommendations for using overcurrent protection devices including circuit breakers in solar modules against overloading conditions are given in IEC 60269-6 (volume 6 of IEC 60269-6) and also UL 248-19. 

For circuit breakers, IEC recommends a 20% and 25% margin in voltage and overload current. Most of the time, the ratings are specified by the solar manufacturers at given ambient conditions. If the temperatures exceed this given value, derating must be applied according to the manufacturer’s specifications. 

When it comes to breaker sizes for solar panels, NEC requires the breakers to be sized at 125% of the inverter’s rated output. So a 7680W inverter that outputs 240V, outputs 32A (7680W ÷ 240V = 32A). That requires a 40A breaker (32A x 125% = 40A).

Final Thoughts

If you owned a solar panel system at home,  you have to understand how circuit breakers work to prevent catching fires at home. These devices are one of the major components of the PV solar system as they protect the system wiring from getting too hot and accidentally catch fire if short circuits occurred. Thus, understanding the breaker itself and its proper calculations in the PV system should be done.