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What is the difference between N-type and P-type panels, and why is it preferable to use N-type more than P-type? Additionally, what is the purpose for manufacturers like Jinko to produce panels with the same capacity but different types?

I need to conduct a test on the density of the lead-acid batteries, specifically the Sunlight RES SopZs. Sure, here are the steps you should follow to conduct the test on the density of the Sunlight RES SopZs lead-acid batteries: 1. **Preparation**: Gather all necessary equipment, including a...

We want to install this EPDM below the L feet of the mounting PV structure. What do you think, which one is better, 1 or 2?

Hello everyone, I am currently in search of a charger that meets the following specifications: Battery voltage: 500-750 VDC Sunspec Modbus compliance DC PV input with Maximum Power Point Tracking (MPPT) Battery DC output, requiring a DC/DC converter Your valuable assistance in identifying a...

I'm asking a question on a forum about the maximum power I can obtain from 2V batteries with a capacity of 990Ah at a C10 discharge rate. This is for a 48V system, and I'm aware that the maximum discharge current for lead-acid batteries shouldn't exceed 20% of the Ah capacity. My teacher...

The PV panels are installed approximately 20cm above the air conditioning compressor. Will this positioning affect the PV panels' performance? Additionally, there are two compressors facing each other. Could this arrangement impact the cooling efficiency? I have included an image of the setup...

The consultant recommends using only one twisted cable pair, for example, the orange and white orange pair, for better signal quality. The consultant's suggestion is based on scientific principles of electrical engineering and signal integrity but i didnt understand whyAs shown in the picture...

Hello All I have four Pylontech US5000 batteries and two Deye inverters (8k each) connected in parallel. What should be the appropriate settings for the Deye inverters in terms of battery capacity, maximum discharge current, and maximum charge current?

Are the cables connecting to the selector switch commonly referred to as control cables, and do they typically have a cross-sectional area of 1.5mm²?

I'm installing an outdoor Huawei PV system on a mounting structure, and I need to build a shed above the inverter. I've left a 50cm gap above the inverter to ensure proper air flow. However, I would like your advice on the type of material I should use for the shed. Should I opt for a steel...

Do you know of a type of paint that can effectively prevent any perforation caused by electrolyte leakage in battery trays and maintain its longevity over time?

Hello everyone, I'm currently in the process of installing 290 series-connected lead acid batteries in a 40ft container and would appreciate your input on the battery arrangement. To address potential electrolyte leakage, the manufacturer has advised me to place a pan beneath the batteries. I...

Is the Pylontech UP5000 compatible with the Steca inverter rated at 5000 watts?

Hello everyone, Do you know what type of pads to place below the generator to prevent any vibration effects on the slab? Do you have any pictures?

Dear All, I would like to address an issue with the west-facing panels. During the installation process, an error was made, and the plus connection was placed next to the plus connection instead of being properly spaced. However, considering that the panels are arranged in a landscape...

Good morning, I have installed a PV system at a client's house and connected the grid to the AC input of the inverter, while the generator is connected to the AC flex input to provide a backup source in case of a blackout. During testing and commissioning, we noticed that when the auxiliary...

Is it recommended to install DC combiner box, fuses, and SPD near the PV panels or is it okay to place them in the technical room at a distance from the panels? What would be the consequences of not installing them near the panels? the distance between the pv panels and the technical room is 30m

Hello "I want to ask the experts on this forum: Can battery trays be created locally using subcontractors? We usually buy battery trays from the battery manufacturers, but transportation to another country is expensive. Therefore, we are considering designing the battery tray locally while still...

When the grid enters the system to charge the batteries, what may cause the system to shut down?

Dear Everyone, I wish to install around 28 PV panels with a Deye 8kW single phase inverter, however the technician told me that the VOC is 500 volts per string, therefore I can't place more than 9 panels each string; is there any way I can put more?

Dear All, Please see the tables below for an investment in a Chinese system with lithium ion batteries and an investment in a premium quality inverter with lead acid batteries. What I have discovered is that the second option is better compared, even if it is 5% more expensive than the Chinese...

Do you think the batteries' behavior is acceptable? I believe there is something strange about their performance since the reduction from the absorption phase to floating is significant, indicating that the batteries are nearing the end of their cycle.

Allow me to clarify this sketch line schematic pv electricity wiring a little further. In my country, I have two sources of alternating current: a private generator (3-phase system) and a single-phase grid subscription. I'm installing a single phase inverter to provide power to my home, but...

what the difference between C40 and C60a

Could you kindly explain why the solar production graph is reduced to zero during the day? Is this due to battery calibration?

Can dust, which obscures the inverter's aperture on one side, attend to an overload??

Hello, I hope everyone is doing well. I have a PV system that I installed a year ago. The problem is as follows: When the batteries are empty, the generator enters the system to charge the batteries and supply loads to the home. What is strange is that the generator may charge the batteries...

I need your help with something. I have three inverters; when the utility enters the system, only two phases allow the utility to enter the house and charge the batteries; the third inverter does not. Do you have any ideas on how to address this problem?

What is the difference between these two phrases highlighted in blue? Every time they appear in my warning, the utility enters the system, but I'm not sure what the distinction is.

Hello all, as you can see in the image above the acid level indicator is circled in red. Is it necessary to add distilled water to reach the maximum level, or is there no need because the acid is constantly between the minimum and maximum levels? Is it necessary to add water, and if so, when?

The third inverter is unable to access the house's utility. is it related to a parameter? The voltage on each line is shown in the pictures above ( we are installing each inverter on each phase ) it's a three-phase system the inverter is in "load search" mode, which also indicates that the AC...

Hello all, Is it advised to install an inverter with batteries and all of the electrical accessories, including fuses and circuit breakers, in the room seen below? Note that the room is always open from the side of the camera.

Hello all, A solar system in the Northern Hemisphere, the best orientation is the south. However, in front of my building, there is an obstruction (a building 10 meters higher than mine). what should i do please need ur help?

Hello, Could you perhaps clarify what "not recommended in //" means?

Hii, “Can a string of 18 PV panels pointed in one direction vary in height without affecting the panels' efficiency? Another concern is if the degree varies slightly from panel to panel (1 to 3 degrees), does this also affect the efficiency of the panels?”