MPPT Solar Street Light Charge Controller 45A,12/24/36/48V,ET4415N
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Specifications
MPPT charge controller
Maximum power point tracker
temperature compensation
LCD display
Communicate with PC
Features:
·12/24/36/48V auto work
·Advanced MPPT technology
·Several seconds tracking speed
·High Tracking efficiency of 99%
·Multiphase synchronous rectification technology
·Peak conversion efficiency of 98%
·DSP&ARM processors architecture ensures high speed and performance
·Gel, Sealed, Flooded battery option
·Max. 450 days data logging by connection to PC
·Multifunction LCD displays system data and status
·Three kinds of communication ports :RS232, CAN BUS and Ethernet
·Three stages charging optimizes battery performance
·Software update by users
Specification:
Model | ET3415N | ET4415N | ET6415N |
Rated system voltage | 12V/24V /36V/48V auto work | ||
Rated battery current | 30A | 45A | 60A |
Max. PV open circuit voltage | 150V | ||
Voltage range | 8~72V | ||
Max.PV input power | 400W (12V) | 600W (12V) | 800W (12V) |
800W (24V) | 1200W (24V) | 1600W (24V) | |
1200W (36V) | 1800W (36V) | 2400W (36V) | |
1600W (48V) | 2400W (48V) | 3200W (48V) | |
Self-consumption | 1.4～2.2W | ||
Grounding | Negative | ||
Dimension | 231x203x105mm | 285x203x105mm | 285x203x121mm |
Terminal | 35mm2 | 35mm2 | 35mm2 |
Net Weight | 4.1kg | 4.4kg | 5.0kg |
Working temperature | -25℃～+55℃ | ||
Storage temperature range | -30℃～+85℃ | ||
Humidity | 10%-90% NC | ||
Enclosure | IP20 | ||
Altitude | ≤3000m | ||
FAQ:
Q1. What is the voltage?
A1. Our 45/60A solar charge controller is 12/24/36/48V auto work.
Q2. What is the difference between MPPT&PWM?
A2. MPPT has higher efficiency, it can track the max power point and won't waste energy.
Q3. What is the efficiency of the MPPT controller?
A3. MPPT>99%, peak conversion efficiency>98%.
Q4. What is the waranty of product?
A4. 12 months.
Q5. What protection does your MPPT controller have?
A5. PV array short circuit, PV reverse polarity, Battery reverse polarity, Over charging, Output short circuit.
- Q:How does a solar controller handle fluctuations in solar panel output?
- The purpose of a solar controller is to regulate and optimize the flow of electricity between solar panels and a battery bank, in order to handle changes in solar panel output. When the solar panels produce excess energy, the solar controller detects this and adjusts the charging current into the batteries accordingly, preventing overcharging and potential damage to the batteries. Conversely, if the solar panel output decreases due to factors like cloud coverage or shading, the solar controller compensates by increasing the charging current. This ensures that the batteries are always being charged efficiently, even during periods of reduced solar panel output. To handle fluctuations in solar panel output, solar controllers incorporate features like Maximum Power Point Tracking (MPPT) or Pulse Width Modulation (PWM) technology. MPPT controllers continuously monitor and track the maximum power point of the solar panels, adjusting the voltage and current to maximize energy harvest. PWM controllers regulate the charging current by rapidly switching the solar panel output on and off, maintaining a stable voltage and preventing overcharging. In summary, a solar controller plays a crucial role as an intermediary between solar panels and a battery bank. Its purpose is to ensure efficient transfer and storage of the energy generated by the panels, regardless of fluctuations in solar panel output.
- Q:How does a solar controller handle battery short circuit protection?
- A solar controller typically handles battery short circuit protection by incorporating a built-in feature that automatically detects and prevents any short circuit conditions within the battery. It achieves this by monitoring the current flow and voltage levels within the battery. If a short circuit occurs, the controller immediately disconnects the battery from the solar panel to prevent damage and potential hazards.
- Q:How does a solar controller prevent damage to solar panels?
- A solar controller prevents damage to solar panels by regulating the amount of voltage and current flowing from the panels to the battery or grid. It ensures that the panels operate within their optimal voltage range, preventing overcharging or overloading, which can lead to damage. Additionally, a solar controller protects the panels from reverse current flow during low-light conditions or at night, which can also cause damage.
- Q:What is the self-consumption of a solar controller?
- The self-consumption of a solar controller refers to the amount of energy it uses for its own operation. It includes the power consumed by the controller's internal components such as circuitry, display, and communication interfaces. Minimizing self-consumption is important as it ensures that a higher percentage of solar energy generated is available for utilization rather than being used by the controller itself.
- Q:Can a solar controller be used in off-grid applications?
- Yes, a solar controller can definitely be used in off-grid applications. In fact, it is an essential component of off-grid solar systems as it regulates the charging and discharging of batteries, ensuring optimal performance and extending battery life. The solar controller helps to manage the flow of electricity between the solar panels, batteries, and loads, ensuring that the batteries are charged efficiently and preventing overcharging or deep discharging.
- Q:Can a solar controller be used with a solar-powered ventilation system?
- Yes, a solar controller can be used with a solar-powered ventilation system. The solar controller helps regulate the charging and discharging of the batteries that power the ventilation system, ensuring optimal performance and efficient energy management.
- Q:What is the purpose of the low voltage disconnect feature on a solar controller?
- The purpose of the low voltage disconnect feature on a solar controller is to protect the batteries from over-discharge. When a battery is discharged below a certain voltage level, it can cause irreversible damage and significantly reduce its lifespan. The low voltage disconnect feature monitors the battery voltage and disconnects the load, such as appliances or devices, from the battery when the voltage drops below a predetermined threshold. This helps to prevent the battery from being drained too much and ensures that it retains enough charge for proper functioning and longevity. By disconnecting the load, the low voltage disconnect feature helps to safeguard the battery and optimize its performance in a solar power system.
- Q:What is the maximum current that a solar controller can handle?
- The maximum current that a solar controller can handle varies depending on the specific model and manufacturer. However, most solar controllers are designed to handle currents ranging from 10 to 60 amps. It is important to check the specifications of the particular solar controller you are using to determine its maximum current capacity.
- Q:Can a solar controller be used with solar panel arrays in parallel?
- Yes, a solar controller can be used with solar panel arrays in parallel. The solar controller helps regulate the charging and discharging of the batteries connected to the solar panels, ensuring optimum performance and protection. Whether the solar panels are connected in parallel or series, the solar controller can effectively manage the power flow and maintain the desired voltage and current levels.
- Q:How does a solar controller handle power fluctuations in the grid-tied system?
- A solar controller is an essential component of a grid-tied system that helps manage power fluctuations from the grid. When there are power fluctuations in the grid, such as sudden voltage spikes or drops, the solar controller acts as a mediator to stabilize the flow of power between the solar panels and the grid. One of the primary functions of a solar controller is to monitor the voltage and frequency of the grid. It constantly measures the incoming power and compares it to the predefined range of acceptable values. If the voltage or frequency deviates from the set parameters, the solar controller takes appropriate action to mitigate the fluctuations. In the event of a power surge from the grid, the solar controller employs various protective mechanisms to safeguard the system. It can temporarily disconnect the grid connection or utilize surge protection devices to prevent the excess voltage from damaging the solar panels or other connected equipment. Similarly, if there is a sudden drop in the grid voltage, the solar controller can regulate the power flow to compensate for the lower input. It may adjust the inverter settings or temporarily disconnect the grid connection if the voltage falls below a certain threshold. This prevents potential damage to the solar panels and ensures a stable power supply to the connected loads. Furthermore, a solar controller also plays a crucial role in maintaining the stability of the grid-tied system during grid outages. In such situations, the solar controller is programmed to immediately isolate the system from the grid to prevent back-feeding, which could pose a risk to the utility workers trying to restore power. Once the grid is restored, the solar controller verifies the stability before re-establishing the connection. Overall, a solar controller is capable of effectively handling power fluctuations in a grid-tied system by constantly monitoring and regulating the flow of power. Its ability to detect deviations, provide protection against surges or drops, and maintain grid stability makes it an indispensable component for a reliable and efficient solar energy system.
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MPPT Solar Street Light Charge Controller 45A,12/24/36/48V,ET4415N
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
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