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15KW solar diesel hybrid system for farm use in New Zealand

0 Foshan Tanfon 2021-06-10 17:12:09

Location:New Zealand

Usage:Farm use

We received an inquiry about solar diesel hybrid system from a customer in New Zealand on the company's website. After understanding, we learned that the customer has a local farm where he can walk and ride in the farmland and forest. There are also beautiful beaches nearby.but there is no local electricity, and diesel generators are currently being used. He wants to install solar systems with diesel generator as backup power.This is no problem. Our off grid solar system can be connected with diesel generator, which can give you an emergency backup power supply.When solar system without power, it will automatically turn to the generator to ensure that you have power all the time. According to his needs and budget, we matched his 15KW solar and diesel generator hybrid system.

Now, the 15 kilowatt solar system is being installed on his farm. At the same time, the system will work with his original diesel generator, which has the function of automatic starting of 24V.

In the process of installation, the customer mentioned some problems, which are also worth learning from similar projects of other customers.

But in the process of using, customers encounter two problems:

Problem1: It appears as through the generator is staring once the batteries reach the discharge set point but the generator is not charging them. It only supplies the load.

 

For this problem, our engineer looked at the video and give solutions:

We saw in the video that when you start the generator manually, the AC and CHG lights of the inverter are not lit. This means that there is no charging, because the battery voltage is still about 65%, which is still solar energy priority;

Please check if the two lights are on when the generator starts automatically when the battery is 30%?

If there is light on, it is already charging!

 

If you are still not sure that it is really charging, please test as follows:

1) Turn off the solar controller

2) When the low voltage of the battery is transferred to the generator, after the generator starts automatically, measure the battery voltage

3) If the battery voltage keeps rising, it means that it is being charged.(see video)

 

Problem2:When the battery is above 85%, the generator stops, but it won't shut down by itself.

Why is this: because when the battery is lower than 30%, we start the 24V signal to let your generator start automatically (also because your generator has this automatic start function), when the battery reaches 85%, the inverter It will be automatically inverted, and the 24V signal will be disconnected. We can only be our terminal and stop your generator signal (so if you want to realize that the generator turns off the 24V signal and then shut down, this also needs the generator manufacturer Must have this function)

So if your generator doesn't have the function of automatic shutdown, we can't help you shut down your generator. We need to shut it down manually.

 

After soltuion customer solar problem ,he said :Perhaps one day when we can travel freely again you would like to come for a holiday in New Zealand and see your solar system working?

 

We are very happy to solve the problem of electricity consumption for our customers. If you have different questions about solar diesel hybrid generator, please feel free to contact us and we will answer them for you.

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