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Dominican Republic

Dominican Republic: An analysis of the solar market performance

With a population of ten million people, the Dominican Republic is the biggest economy in the Caribbean region. Most of its energy supply stems from fossil fuels, but that is going to change soon.  A couple of years ago, its administration pledged to produce 25% of its total energy capacity from renewable sources. Currently, the Dominican Republic has made giant steps towards achieving this goal.

As of December 2020, the Island nation had an installed solar capacity of 430 Megawatts. Still, studies show that this figure is rising rapidly and could surpass the 1.5 Gigawatts milestone by 2030. As for the nation’s overall solar market outlook, it is safe to say the future is bright.

The Dominican Republic’s solar market is one of the most lucrative and promising markets in Central America. This is primarily due to its issuance law 57-07 of 2007. The edict created incentives for renewable energy generation in the Dominican Republic.

The Dominican Republic’s solar equipment supply capacity

As the leading economy in Central America, the Dominican Republic is home to several solar equipment manufacturers and distributors. They deal in various categories of solar equipment, including solar panels and inverters. Do you need a supplier for your next project?

Solarfeeds is your best bet when it comes to different categories of solar equipment. Our website hosts several leading solar equipment manufacturers serving the Dominican Republic solar market. Please navigate to our website’s inquiry page on your web browser and send us a request for quotes. We are here to aid you in conserving valuable time.

Dominican Republic’s ports and logistics

The Dominican Republic boasts of 10 major ports. These ports grant you limitless options when selecting a supplier because you can choose to import solar equipment. The country’s transport infrastructure and logistics services are also something to smile about.

Electric Breaker used for below projects in Dominican Republic

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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.

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