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Zimbabwe

Solar Market Outlook in Zimbabwe

The Zimbabwe government has recently launched its National Renewable Energy Policy. They have obtained assistance from the World Bank in order to procure large scale solar PV projects. The World Bank has opened a tender via the African Power Platform in order to boost the renewable energy capacity. 

Solar is the primary source of energy among independent power projects in Zimbabwe. As of July 2021, there were seven new solar PV projects that were installed with a solar capacity of 66 MW. These projects are expected to become ready and fully functional by the end of 2021, which should boost the country’s solar and renewable energy industry. 

The new solar developments are also proof that there are adequate regulations in place in Zimbabwe designed to benefit investors and consumers alike. The government is hoping to maintain policies that will encourage more investors in the future. 

By the end of 2020, Zimbabwe has reached 17 MW capacity in solar installations. They are targeting to reach 1GW of capacity by 2025. 

Solar Energy Equipment Supply Capacity in Zimbabwe

As of now, there are limited options for suppliers and distributors within Zimbabwe. Individual and commercial consumers of solar installations do have access to global suppliers, as well as those from neighboring countries. 

Top 8 Major Seaports & Logistics in Zimbabwe

There are various ports and logistics companies operating in Zimbabwe to maximize the ability to transport solar power equipment. The top ports available in Zimbabwe are

  • Chiredzi,
  • Thompson Junction,
  • Rusape,
  • Harare,
  • Victoria Falls,
  • Mutare,
  • Bata, 
  • Hwange.

Shunt Regulators used for below projects in Zimbabwe

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Shunt Regulators

Wholesale Shunt Regulator for PV Systems

Essentially, a shunt regulator — also known as a shunt voltage regulator (aka. charge controller)— is a form of regulator where the regulating element shunts the current to ground. By maintaining a constant voltage across its terminals, it takes up the surplus current to maintain the voltage across the load.

In terms of the basic operation of a shunt regulator, the load is operated with a resistor in series with the voltage source and the shunt regulator in parallel with the load. In order to keep the voltage across the load constant, a level of current must be drawn through the series resistor to maintain the required voltage across the load. The load will take some, and the remaining current is drawn by the shunt voltage regulator.

The circuit is designed so that at maximum load current, the shunt regulator draws virtually no current, and at minimum load current, the shunt voltage regulator passes the full current. As a result, it can be seen that shunt regulators are inefficient because the maximum current is drawn from the source regardless of the load current, i.e. when there is no load current.

Because of the purpose of the shunt regulator, this device has been considered as an essential element within the linear power supply technology.

Zener Diode Shunt Charge Controller

One of the most common and simple forms of shunt regulator is the simple Zener diode regulator circuit.

Its mechanism is very straightforward. Once over its small minimum current, the Zener diode maintains an almost constant voltage across its terminals. The series resistor drops the voltage from the source to the Zener diode and loads. As the Zener diode maintains its voltage, any variations in load current do not affect the voltage across the Zener diode. It takes up the current variations required to ensure the correct drop across the series resistor. In this way, it shunts sufficient current to maintain the voltage across its terminals and hence the load.

In the shunt voltage regulator circuit, the Zener diode must be capable of dissipating the power from the maximum amount of current it can handle. This is most likely to be a little more than the maximum current supplied to the load as the Zener diode will need to pass all the current when the load current is zero. Therefore, the total maximum current that will be passed by the diode is the load current plus an allowance for current to maintain the reference voltage when the load is taking its maximum current.

It should also be noted that for the shunt regulator circuit, the series resistance is comprised of the series resistor value, plus any source resistance. In most cases, the value of the series resistor will dominate and the source resistance can be ignored — but this may not always be true.

Why Buy Wholesale Shunt Regulators for PV Systems from Us?

Our website lists all sorts of shunt regulators for PV systems from established and well-respected manufacturers and brands all over the world. As a result, you can expect that the shunt regulators that we offer are of the best variety. They are characterized by numerous remarkable features, such as higher efficiency, sturdy construction, and a longer lifespan. Therefore, all the shunt regulators that we offer will undoubtedly have the ability to fulfill all your solar power needs.

If you want to buy shunt regulators for PV systems at low wholesale prices, then go through our website to explore products with profitable deals. You can also choose to send in your query at info@www.solarfeeds.com.

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