Solar DG Synchronization 

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Why Choose Trackso’s solar DG synchronization controller?

The DG Synchronization Controller also known as a Zero Export Device, is designed to protect diesel generators (DG) from excess power generated by PV plants. This device allows solar system owners and operators to limit the amount of solar power their systems export to the DG.

The DG-PV controller controls the energy output of on-grid solar inverters by adjusting the set point of the grid-tie inverters. It features an inbuilt power analyzer that measures the total power at the point where the DG is electrically coupled with the load, comparing it with the controller’s set point. When the load on the DG exceeds this set point, the DG-PV controller increases the solar power output.

If the load on the DG is below the set point, the controller reduces the solar power output accordingly. Running a generator at less than 30% of its rated capacity can have negative consequences. The DG-PV controller ensures that the DG operates at a load of at least 30%.

 

Benefits:-

●  Ensures minimum DG utilization and maximum solar output.

●  Saves cost by providing monitoring & synchronization through the same device.

●  Compatible with 100+ inverter brands.

●  Prevents reverse feed into the DG.

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Why Choose Trackso’s solar DG synchronization controller?

DG PV Controller works on a simple logic as mentioned below:

Step 1 – Device take readings from the reference DG meter

Step 2 – If DG Power> Max (kw), command inverters to increase power production

Step 3 – Is DG Power< Min (kw), command inverters to decrease power production

Step 4 – Repeat from step 1 Following is a simple SLD to showcase how DG PV Controller works in a solar PV system.

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Key Features

100+ brands compatible

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Frequently Asked Questions

What is DG synchronization in solar?
Smartly Distributes the total demanded load between Solar and DG in such way that the DG runs at the minimum possible load, securing against reversefeedingand protecting the inverters from over-frequency damage, while also increasing fuel efficiency.

What are the requirements for synchronization of DG?
Basically DG Synchronization panels are mainly designed for meeting critical aspects of Power system requirements which primarily includes uninterrupted or flashing restoration of Power supply along with DG and circuitry protection for an infrastructure of social or commercial values and repute.

How to synchronize dg sets?
As you know, synchronization is simply the parallel operation of two or more generators sets sharing the load according to their ratings. Synchronization requires Voltage, Frequency, Phase angle and Phase rotation of all the alternators to be same.

What is the purpose of generator synchronization?
A generator cannot deliver power to an electrical power system unless all the aforementioned parameters exactly match those of the network. The need for synchronization arises when two or more alternators work together to supply the power to the load.

What is the purpose of synchronizing panel?
Synchronization panels are mainly designed and used to meet power system requirements. Synchronizing panel will operate on an automatic mains failure system, so that when the main supply is interrupted on one or all phases (after an adjustable delay period) the generator sets will start-up together.

What is the principle of DG synchronization panel?
Whenever the main grid supply fails, Synchronizing relay comes into action and give control signal to alternate sources. So DG connected to common busbars. After that initial warmup, DG starts and allowed to rotate at full speed.

Can DG synchronization be used for both on-grid and off-grid solar systems?
Yes, DG synchronization can be used in both on-grid and off-grid solar systems, providing uninterrupted power in off-grid systems and efficient energy management in on-grid systems.

What are the key components needed for DG synchronization?
The key components for DG synchronization include a synchronization panel, inverter, DG controller, and communication interfaces between the DG and solar system to manage the power output efficiently.

Does DG synchronization reduce fuel consumption?
Yes, DG synchronization allows the solar system to take priority, reducing the reliance on the diesel generator. This leads to significant fuel savings as the DG only operates when solar power is insufficient.

 

What happens during a grid outage with DG synchronization in place?
During a grid outage, the synchronized DG will automatically start and provide the required power, ensuring that the solar system continues to operate without interruption.

Is there any maintenance required for the DG synchronization system?
Regular maintenance of the synchronization panel, controllers, and connections is recommended to ensure optimal performance. The diesel generator should also be maintained as per manufacturer guidelines.

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